1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
33 (defvar w3m-minor-mode-map))
36 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
38 (let ((recursive-load-depth-limit 100))
51 (autoload 'gnus-msg-mail "gnus-msg" nil t)
52 (autoload 'gnus-button-mailto "gnus-msg")
53 (autoload 'gnus-button-reply "gnus-msg" nil t)
54 (autoload 'parse-time-string "parse-time" nil nil)
55 (autoload 'ansi-color-apply-on-region "ansi-color")
56 (autoload 'mm-url-insert-file-contents-external "mm-url")
57 (autoload 'mm-extern-cache-contents "mm-extern")
59 (defgroup gnus-article nil
61 :link '(custom-manual "(gnus)Article Buffer")
64 (defgroup gnus-article-treat nil
65 "Treating article parts."
66 :link '(custom-manual "(gnus)Article Hiding")
69 (defgroup gnus-article-hiding nil
70 "Hiding article parts."
71 :link '(custom-manual "(gnus)Article Hiding")
74 (defgroup gnus-article-highlight nil
75 "Article highlighting."
76 :link '(custom-manual "(gnus)Article Highlighting")
80 (defgroup gnus-article-signature nil
82 :link '(custom-manual "(gnus)Article Signature")
85 (defgroup gnus-article-headers nil
87 :link '(custom-manual "(gnus)Hiding Headers")
90 (defgroup gnus-article-washing nil
91 "Special commands on articles."
92 :link '(custom-manual "(gnus)Article Washing")
95 (defgroup gnus-article-emphasis nil
96 "Fontisizing articles."
97 :link '(custom-manual "(gnus)Article Fontisizing")
100 (defgroup gnus-article-saving nil
102 :link '(custom-manual "(gnus)Saving Articles")
103 :group 'gnus-article)
105 (defgroup gnus-article-mime nil
106 "Worshiping the MIME wonder."
107 :link '(custom-manual "(gnus)Using MIME")
108 :group 'gnus-article)
110 (defgroup gnus-article-buttons nil
111 "Pushable buttons in the article buffer."
112 :link '(custom-manual "(gnus)Article Buttons")
113 :group 'gnus-article)
115 (defgroup gnus-article-various nil
116 "Other article options."
117 :link '(custom-manual "(gnus)Misc Article")
118 :group 'gnus-article)
120 (defcustom gnus-ignored-headers
123 (concat "^" header ":"))
124 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
125 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
126 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
127 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
128 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
129 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
130 "X-Attribution" "X-Originating-IP" "Delivered-To"
131 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
132 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
133 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
134 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
135 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
136 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
137 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
138 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
139 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
140 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
141 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
142 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
143 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
144 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
145 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
146 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
147 "List-[A-Za-z]+" "X-Listprocessor-Version"
148 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
149 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
150 "X-Received" "Content-length" "X-precedence"
151 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
152 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
153 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
154 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
155 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
156 "X-Content-length" "X-Posting-Agent" "Original-Received"
157 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
158 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
159 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
160 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
161 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"
162 "Envelope-To" "X-Spam-Score" "System-Type" "X-Injected-Via-Gmane"
163 "X-Gmane-NNTP-Posting-Host" "Jabber-ID" "Archived-At"
164 "Envelope-Sender" "Envelope-Recipients"))
165 "*All headers that start with this regexp will be hidden.
166 This variable can also be a list of regexps of headers to be ignored.
167 If `gnus-visible-headers' is non-nil, this variable will be ignored."
168 :type '(choice :custom-show nil
171 :group 'gnus-article-hiding)
173 (defcustom gnus-visible-headers
174 "^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:"
175 "*All headers that do not match this regexp will be hidden.
176 This variable can also be a list of regexp of headers to remain visible.
177 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
178 :type '(repeat :value-to-internal (lambda (widget value)
179 (custom-split-regexp-maybe value))
180 :match (lambda (widget value)
182 (widget-editable-list-match widget value)))
184 :group 'gnus-article-hiding)
186 (defcustom gnus-sorted-header-list
187 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
188 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
189 "*This variable is a list of regular expressions.
190 If it is non-nil, headers that match the regular expressions will
191 be placed first in the article buffer in the sequence specified by
193 :type '(repeat regexp)
194 :group 'gnus-article-hiding)
196 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
197 "Headers that are only to be displayed if they have interesting data.
198 Possible values in this list are:
200 'empty Headers with no content.
201 'newsgroups Newsgroup identical to Gnus group.
202 'to-address To identical to To-address.
203 'to-list To identical to To-list.
204 'cc-list CC identical to To-list.
205 'followup-to Followup-to identical to Newsgroups.
206 'reply-to Reply-to identical to From.
207 'date Date less than four days old.
208 'long-to To and/or Cc longer than 1024 characters.
209 'many-to Multiple To and/or Cc."
210 :type '(set (const :tag "Headers with no content." empty)
211 (const :tag "Newsgroups identical to Gnus group." newsgroups)
212 (const :tag "To identical to To-address." to-address)
213 (const :tag "To identical to To-list." to-list)
214 (const :tag "CC identical to To-list." cc-list)
215 (const :tag "Followup-to identical to Newsgroups." followup-to)
216 (const :tag "Reply-to identical to From." reply-to)
217 (const :tag "Date less than four days old." date)
218 (const :tag "To and/or Cc longer than 1024 characters." long-to)
219 (const :tag "Multiple To and/or Cc headers." many-to))
220 :group 'gnus-article-hiding)
222 (defcustom gnus-article-skip-boring nil
223 "Skip over text that is not worth reading.
224 By default, if you set this t, then Gnus will display citations and
225 signatures, but will never scroll down to show you a page consisting
226 only of boring text. Boring text is controlled by
227 `gnus-article-boring-faces'."
230 :group 'gnus-article-hiding)
232 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
233 "Regexp matching signature separator.
234 This can also be a list of regexps. In that case, it will be checked
235 from head to tail looking for a separator. Searches will be done from
236 the end of the buffer."
237 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
239 (repeat :tag "List of regexp" regexp))
240 :group 'gnus-article-signature)
242 (defcustom gnus-signature-limit nil
243 "Provide a limit to what is considered a signature.
244 If it is a number, no signature may not be longer (in characters) than
245 that number. If it is a floating point number, no signature may be
246 longer (in lines) than that number. If it is a function, the function
247 will be called without any parameters, and if it returns nil, there is
248 no signature in the buffer. If it is a string, it will be used as a
249 regexp. If it matches, the text in question is not a signature.
251 This can also be a list of the above values."
252 :type '(choice (const nil)
255 (function :value fun)
256 (regexp :value ".*"))
257 :group 'gnus-article-signature)
259 (defcustom gnus-hidden-properties '(invisible t intangible t)
260 "Property list to use for hiding text."
262 :group 'gnus-article-hiding)
264 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
265 ;; frames in a session.
266 (defcustom gnus-article-x-face-command
267 (if (featurep 'xemacs)
268 (if (or (gnus-image-type-available-p 'xface)
269 (gnus-image-type-available-p 'pbm))
270 'gnus-display-x-face-in-from
271 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
272 (if (gnus-image-type-available-p 'pbm)
273 'gnus-display-x-face-in-from
274 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
276 "*String or function to be executed to display an X-Face header.
277 If it is a string, the command will be executed in a sub-shell
278 asynchronously. The compressed face will be piped to this command."
279 :type `(choice string
280 (function-item gnus-display-x-face-in-from)
284 :group 'gnus-article-washing)
286 (defcustom gnus-article-x-face-too-ugly nil
287 "Regexp matching posters whose face shouldn't be shown automatically."
288 :type '(choice regexp (const nil))
289 :group 'gnus-article-washing)
291 (defcustom gnus-article-banner-alist nil
292 "Banner alist for stripping.
294 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
296 :type '(repeat (cons symbol regexp))
297 :group 'gnus-article-washing)
299 (gnus-define-group-parameter
302 "Alist of regexps (to match group names) and banner."
303 :variable-group gnus-article-washing
305 '(choice :tag "Banner"
307 (const :tag "Remove signature" signature)
308 (symbol :tag "Item in `gnus-article-banner-alist'" none)
310 (const :tag "None" nil))
312 "If non-nil, specify how to remove `banners' from articles.
314 Symbol `signature' means to remove signatures delimited by
315 `gnus-signature-separator'. Any other symbol is used to look up a
316 regular expression to match the banner in `gnus-article-banner-alist'.
317 A string is used as a regular expression to match the banner
320 (defcustom gnus-article-address-banner-alist nil
321 "Alist of mail addresses and banners.
322 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
323 to match a mail address in the From: header, BANNER is one of a symbol
324 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
325 If ADDRESS matches author's mail address, it will remove things like
326 advertisements. For example:
328 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
332 (regexp :tag "Address")
333 (choice :tag "Banner" :value nil
334 (const :tag "Remove signature" signature)
335 (symbol :tag "Item in `gnus-article-banner-alist'" none)
337 (const :tag "None" nil))))
339 :group 'gnus-article-washing)
341 (defmacro gnus-emphasis-custom-with-format (&rest body)
343 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
344 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
347 (defun gnus-emphasis-custom-value-to-external (value)
348 (gnus-emphasis-custom-with-format
349 (if (consp (car value))
350 (list (format format (car (car value)) (cdr (car value)))
352 (if (nth 1 value) 2 3)
356 (defun gnus-emphasis-custom-value-to-internal (value)
357 (gnus-emphasis-custom-with-format
358 (let ((regexp (concat "\\`"
359 (format (regexp-quote format)
360 "\\([^()]+\\)" "\\([^()]+\\)")
363 (if (string-match regexp (setq pattern (car value)))
364 (list (cons (match-string 1 pattern) (match-string 2 pattern))
369 (defcustom gnus-emphasis-alist
371 '(("\\*" "\\*" bold nil 2)
374 ("_/" "/_" underline-italic)
375 ("_\\*" "\\*_" underline-bold)
376 ("\\*/" "/\\*" bold-italic)
377 ("_\\*/" "/\\*_" underline-bold-italic))))
379 (gnus-emphasis-custom-with-format
380 (mapcar (lambda (spec)
381 (list (format format (car spec) (cadr spec))
384 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
386 '(;; I've never seen anyone use this strikethru convention whereas I've
387 ;; several times seen it triggered by normal text. --Stef
388 ;; Miles suggests that this form is sometimes used but for italics,
389 ;; so maybe we should map it to `italic'.
390 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
391 ;; 2 3 gnus-emphasis-strikethru)
392 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
393 2 3 gnus-emphasis-underline))))
394 "*Alist that says how to fontify certain phrases.
395 Each item looks like this:
397 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
399 The first element is a regular expression to be matched. The second
400 is a number that says what regular expression grouping used to find
401 the entire emphasized word. The third is a number that says what
402 regexp grouping should be displayed and highlighted. The fourth
403 is the face used for highlighting."
407 :format "%[Customizing Style%]\n%v"
409 (group :tag "Default"
410 :value ("" 0 0 default)
413 (let ((value (widget-get
414 (cadr (widget-get (widget-get widget :parent)
417 (if (not (eq (nth 2 value) 'default))
421 (gnus-emphasis-custom-value-to-external value))))
422 (widget-group-value-create widget))
424 (integer :format "Match group: %v")
425 (integer :format "Emphasize group: %v")
428 :value (("_" . "_") nil default)
430 (regexp :format "Start regexp: %v")
431 (regexp :format "End regexp: %v"))
432 (boolean :format "Show start and end patterns: %[%v%]\n"
433 :on " On " :off " Off ")
435 :get (lambda (symbol)
436 (mapcar 'gnus-emphasis-custom-value-to-internal
437 (default-value symbol)))
438 :set (lambda (symbol value)
439 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
441 :group 'gnus-article-emphasis)
443 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
444 "A regexp to describe whitespace which should not be emphasized.
445 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
446 The former avoids underlining of leading and trailing whitespace,
447 and the latter avoids underlining any whitespace at all."
449 :group 'gnus-article-emphasis
452 (defface gnus-emphasis-bold '((t (:bold t)))
453 "Face used for displaying strong emphasized text (*word*)."
454 :group 'gnus-article-emphasis)
456 (defface gnus-emphasis-italic '((t (:italic t)))
457 "Face used for displaying italic emphasized text (/word/)."
458 :group 'gnus-article-emphasis)
460 (defface gnus-emphasis-underline '((t (:underline t)))
461 "Face used for displaying underlined emphasized text (_word_)."
462 :group 'gnus-article-emphasis)
464 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
465 "Face used for displaying underlined bold emphasized text (_*word*_)."
466 :group 'gnus-article-emphasis)
468 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
469 "Face used for displaying underlined italic emphasized text (_/word/_)."
470 :group 'gnus-article-emphasis)
472 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
473 "Face used for displaying bold italic emphasized text (/*word*/)."
474 :group 'gnus-article-emphasis)
476 (defface gnus-emphasis-underline-bold-italic
477 '((t (:bold t :italic t :underline t)))
478 "Face used for displaying underlined bold italic emphasized text.
479 Example: (_/*word*/_)."
480 :group 'gnus-article-emphasis)
482 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
483 '((t (:strikethru t)))
484 '((t (:strike-through t))))
485 "Face used for displaying strike-through text (-word-)."
486 :group 'gnus-article-emphasis)
488 (defface gnus-emphasis-highlight-words
489 '((t (:background "black" :foreground "yellow")))
490 "Face used for displaying highlighted words."
491 :group 'gnus-article-emphasis)
493 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
494 "Format for display of Date headers in article bodies.
495 See `format-time-string' for the possible values.
497 The variable can also be function, which should return a complete Date
498 header. The function is called with one argument, the time, which can
499 be fed to `format-time-string'."
500 :type '(choice string function)
501 :link '(custom-manual "(gnus)Article Date")
502 :group 'gnus-article-washing)
504 (defcustom gnus-save-all-headers t
505 "*If non-nil, don't remove any headers before saving."
506 :group 'gnus-article-saving
509 (defcustom gnus-prompt-before-saving 'always
510 "*This variable says how much prompting is to be done when saving articles.
511 If it is nil, no prompting will be done, and the articles will be
512 saved to the default files. If this variable is `always', each and
513 every article that is saved will be preceded by a prompt, even when
514 saving large batches of articles. If this variable is neither nil not
515 `always', there the user will be prompted once for a file name for
516 each invocation of the saving commands."
517 :group 'gnus-article-saving
518 :type '(choice (item always)
519 (item :tag "never" nil)
520 (sexp :tag "once" :format "%t\n" :value t)))
522 (defcustom gnus-saved-headers gnus-visible-headers
523 "Headers to keep if `gnus-save-all-headers' is nil.
524 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
525 If that variable is nil, however, all headers that match this regexp
526 will be kept while the rest will be deleted before saving."
527 :group 'gnus-article-saving
530 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
531 "A function to save articles in your favourite format.
532 The function must be interactively callable (in other words, it must
533 be an Emacs command).
535 Gnus provides the following functions:
537 * gnus-summary-save-in-rmail (Rmail format)
538 * gnus-summary-save-in-mail (Unix mail format)
539 * gnus-summary-save-in-folder (MH folder)
540 * gnus-summary-save-in-file (article format)
541 * gnus-summary-save-body-in-file (article body)
542 * gnus-summary-save-in-vm (use VM's folder format)
543 * gnus-summary-write-to-file (article format -- overwrite)."
544 :group 'gnus-article-saving
545 :type '(radio (function-item gnus-summary-save-in-rmail)
546 (function-item gnus-summary-save-in-mail)
547 (function-item gnus-summary-save-in-folder)
548 (function-item gnus-summary-save-in-file)
549 (function-item gnus-summary-save-body-in-file)
550 (function-item gnus-summary-save-in-vm)
551 (function-item gnus-summary-write-to-file)
554 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
555 "A function generating a file name to save articles in Rmail format.
556 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
557 :group 'gnus-article-saving
560 (defcustom gnus-mail-save-name 'gnus-plain-save-name
561 "A function generating a file name to save articles in Unix mail format.
562 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
563 :group 'gnus-article-saving
566 (defcustom gnus-folder-save-name 'gnus-folder-save-name
567 "A function generating a file name to save articles in MH folder.
568 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
569 :group 'gnus-article-saving
572 (defcustom gnus-file-save-name 'gnus-numeric-save-name
573 "A function generating a file name to save articles in article format.
574 The function is called with NEWSGROUP, HEADERS, and optional
576 :group 'gnus-article-saving
579 (defcustom gnus-split-methods
580 '((gnus-article-archive-name)
581 (gnus-article-nndoc-name))
582 "*Variable used to suggest where articles are to be saved.
583 For instance, if you would like to save articles related to Gnus in
584 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
585 you could set this variable to something like:
587 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
588 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
590 This variable is an alist where the key is the match and the
591 value is a list of possible files to save in if the match is
594 If the match is a string, it is used as a regexp match on the
595 article. If the match is a symbol, that symbol will be funcalled
596 from the buffer of the article to be saved with the newsgroup as
597 the parameter. If it is a list, it will be evaled in the same
600 If this form or function returns a string, this string will be
601 used as a possible file name; and if it returns a non-nil list,
602 that list will be used as possible file names."
603 :group 'gnus-article-saving
604 :type '(repeat (choice (list :value (fun) function)
605 (cons :value ("" "") regexp (repeat string))
608 (defcustom gnus-page-delimiter "^\^L"
609 "*Regexp describing what to use as article page delimiters.
610 The default value is \"^\^L\", which is a form linefeed at the
611 beginning of a line."
613 :group 'gnus-article-various)
615 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
616 "*The format specification for the article mode line.
617 See `gnus-summary-mode-line-format' for a closer description.
619 The following additional specs are available:
621 %w The article washing status.
622 %m The number of MIME parts in the article."
624 :group 'gnus-article-various)
626 (defcustom gnus-article-mode-hook nil
627 "*A hook for Gnus article mode."
629 :group 'gnus-article-various)
631 (when (featurep 'xemacs)
632 ;; Extracted from gnus-xmas-define in order to preserve user settings
633 (when (fboundp 'turn-off-scroll-in-place)
634 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
635 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
636 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
638 (defcustom gnus-article-menu-hook nil
639 "*Hook run after the creation of the article mode menu."
641 :group 'gnus-article-various)
643 (defcustom gnus-article-prepare-hook nil
644 "*A hook called after an article has been prepared in the article buffer."
646 :group 'gnus-article-various)
648 (defcustom gnus-copy-article-ignored-headers nil
649 "List of headers to be removed when copying an article.
650 Each element is a regular expression."
651 :version "23.0" ;; No Gnus
652 :type '(repeat regexp)
653 :group 'gnus-article-various)
655 (make-obsolete-variable 'gnus-article-hide-pgp-hook
656 "This variable is obsolete in Gnus 5.10.")
659 '((t (:weight bold)))
660 "Face used for highlighting a button in the article buffer."
661 :group 'gnus-article-buttons)
663 (defcustom gnus-article-button-face 'gnus-button
664 "Face used for highlighting buttons in the article buffer.
666 An article button is a piece of text that you can activate by pressing
667 `RET' or `mouse-2' above it."
669 :group 'gnus-article-buttons)
671 (defcustom gnus-article-mouse-face 'highlight
672 "Face used for mouse highlighting in the article buffer.
674 Article buttons will be displayed in this face when the cursor is
677 :group 'gnus-article-buttons)
679 (defcustom gnus-signature-face 'gnus-signature
680 "Face used for highlighting a signature in the article buffer.
681 Obsolete; use the face `gnus-signature' for customizations instead."
683 :group 'gnus-article-highlight
684 :group 'gnus-article-signature)
686 (defface gnus-signature
689 "Face used for highlighting a signature in the article buffer."
690 :group 'gnus-article-highlight
691 :group 'gnus-article-signature)
692 ;; backward-compatibility alias
693 (put 'gnus-signature-face 'face-alias 'gnus-signature)
695 (defface gnus-header-from
698 (:foreground "spring green"))
701 (:foreground "red3"))
704 "Face used for displaying from headers."
705 :group 'gnus-article-headers
706 :group 'gnus-article-highlight)
707 ;; backward-compatibility alias
708 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
710 (defface gnus-header-subject
713 (:foreground "SeaGreen3"))
716 (:foreground "red4"))
718 (:bold t :italic t)))
719 "Face used for displaying subject headers."
720 :group 'gnus-article-headers
721 :group 'gnus-article-highlight)
722 ;; backward-compatibility alias
723 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
725 (defface gnus-header-newsgroups
728 (:foreground "yellow" :italic t))
731 (:foreground "MidnightBlue" :italic t))
734 "Face used for displaying newsgroups headers.
735 In the default setup this face is only used for crossposted
737 :group 'gnus-article-headers
738 :group 'gnus-article-highlight)
739 ;; backward-compatibility alias
740 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
742 (defface gnus-header-name
745 (:foreground "SeaGreen"))
748 (:foreground "maroon"))
751 "Face used for displaying header names."
752 :group 'gnus-article-headers
753 :group 'gnus-article-highlight)
754 ;; backward-compatibility alias
755 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
757 (defface gnus-header-content
760 (:foreground "forest green" :italic t))
763 (:foreground "indianred4" :italic t))
765 (:italic t))) "Face used for displaying header content."
766 :group 'gnus-article-headers
767 :group 'gnus-article-highlight)
768 ;; backward-compatibility alias
769 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
771 (defcustom gnus-header-face-alist
772 '(("From" nil gnus-header-from)
773 ("Subject" nil gnus-header-subject)
774 ("Newsgroups:.*," nil gnus-header-newsgroups)
775 ("" gnus-header-name gnus-header-content))
776 "*Controls highlighting of article headers.
778 An alist of the form (HEADER NAME CONTENT).
780 HEADER is a regular expression which should match the name of a
781 header and NAME and CONTENT are either face names or nil.
783 The name of each header field will be displayed using the face
784 specified by the first element in the list where HEADER matches
785 the header name and NAME is non-nil. Similarly, the content will
786 be displayed by the first non-nil matching CONTENT face."
787 :group 'gnus-article-headers
788 :group 'gnus-article-highlight
789 :type '(repeat (list (regexp :tag "Header")
791 (item :tag "skip" nil)
792 (face :value default))
793 (choice :tag "Content"
794 (item :tag "skip" nil)
795 (face :value default)))))
797 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
798 '((xface . (:face gnus-x-face)))
799 '((pbm . (:face gnus-x-face))
801 "Alist of image types and properties applied to Face and X-Face images.
804 ;; Specify the altitude of Face images in the From header.
805 \(setq gnus-face-properties-alist
806 '((pbm . (:face gnus-x-face :ascent 80))
807 (png . (:ascent 80))))
809 ;; Show Face images as pressed buttons.
810 \(setq gnus-face-properties-alist
811 '((pbm . (:face gnus-x-face :relief -2))
812 (png . (:relief -2))))
814 See the manual for the valid properties for various image types.
815 Currently, `pbm' is used for X-Face images and `png' is used for Face
816 images in Emacs. Only the `:face' property is effective on the `xface'
817 image type in XEmacs if it is built with the libcompface library."
818 :version "23.0" ;; No Gnus
819 :group 'gnus-article-headers
820 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
822 (defcustom gnus-article-decode-hook
823 '(article-decode-charset article-decode-encoded-words
824 article-decode-group-name article-decode-idna-rhs)
825 "*Hook run to decode charsets in articles."
826 :group 'gnus-article-headers
829 (defcustom gnus-display-mime-function 'gnus-display-mime
830 "Function to display MIME articles."
831 :group 'gnus-article-mime
834 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
835 "Function used to decode headers.")
837 (defvar gnus-article-dumbquotes-map
857 "Table for MS-to-Latin1 translation.")
859 (defcustom gnus-ignored-mime-types nil
860 "List of MIME types that should be ignored by Gnus."
862 :group 'gnus-article-mime
863 :type '(repeat regexp))
865 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
866 "List of MIME types that should not be given buttons when rendered inline.
867 See also `gnus-buttonized-mime-types' which may override this variable.
868 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
870 :group 'gnus-article-mime
871 :type '(repeat regexp))
873 (defcustom gnus-buttonized-mime-types nil
874 "List of MIME types that should be given buttons when rendered inline.
875 If set, this variable overrides `gnus-unbuttonized-mime-types'.
876 To see e.g. security buttons you could set this to
877 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
878 this list to display radio buttons that allow you to choose one of two
879 media types those mails include. See also `mm-discouraged-alternatives'.
880 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
882 :group 'gnus-article-mime
883 :type '(repeat regexp))
885 (defcustom gnus-inhibit-mime-unbuttonizing nil
886 "If non-nil, all MIME parts get buttons.
887 When nil (the default value), then some MIME parts do not get buttons,
888 as described by the variables `gnus-buttonized-mime-types' and
889 `gnus-unbuttonized-mime-types'."
891 :group 'gnus-article-mime
894 (defcustom gnus-body-boundary-delimiter "_"
895 "String used to delimit header and body.
896 This variable is used by `gnus-article-treat-body-boundary' which can
897 be controlled by `gnus-treat-body-boundary'."
899 :group 'gnus-article-various
900 :type '(choice (item :tag "None" :value nil)
903 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
905 "Defines the location of the faces database.
906 For information on obtaining this database of pretty pictures, please
907 see http://www.cs.indiana.edu/picons/ftp/index.html"
909 :type '(repeat directory)
910 :link '(url-link :tag "download"
911 "http://www.cs.indiana.edu/picons/ftp/index.html")
912 :link '(custom-manual "(gnus)Picons")
915 (defun gnus-picons-installed-p ()
916 "Say whether picons are installed on your machine."
917 (let ((installed nil))
918 (dolist (database gnus-picon-databases)
919 (when (file-exists-p database)
923 (defcustom gnus-article-mime-part-function nil
924 "Function called with a MIME handle as the argument.
925 This is meant for people who want to do something automatic based
926 on parts -- for instance, adding Vcard info to a database."
927 :group 'gnus-article-mime
928 :type '(choice (const nil)
931 (defcustom gnus-mime-multipart-functions nil
932 "An alist of MIME types to functions to display them."
934 :group 'gnus-article-mime
935 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
937 (defcustom gnus-article-date-lapsed-new-header nil
938 "Whether the X-Sent and Date headers can coexist.
939 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
940 either replace the old \"Date:\" header (if this variable is nil), or
941 be added below it (otherwise)."
943 :group 'gnus-article-headers
946 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
947 "Function called with a MIME handle as the argument.
948 This is meant for people who want to view first matched part.
949 For `undisplayed-alternative' (default), the first undisplayed
950 part or alternative part is used. For `undisplayed', the first
951 undisplayed part is used. For a function, the first part which
952 the function return t is used. For nil, the first part is
955 :group 'gnus-article-mime
957 (item :tag "first" :value nil)
958 (item :tag "undisplayed" :value undisplayed)
959 (item :tag "undisplayed or alternative"
960 :value undisplayed-alternative)
963 (defcustom gnus-mime-action-alist
964 '(("save to file" . gnus-mime-save-part)
965 ("save and strip" . gnus-mime-save-part-and-strip)
966 ("replace with file" . gnus-mime-replace-part)
967 ("delete part" . gnus-mime-delete-part)
968 ("display as text" . gnus-mime-inline-part)
969 ("view the part" . gnus-mime-view-part)
970 ("pipe to command" . gnus-mime-pipe-part)
971 ("toggle display" . gnus-article-press-button)
972 ("toggle display" . gnus-article-view-part-as-charset)
973 ("view as type" . gnus-mime-view-part-as-type)
974 ("view internally" . gnus-mime-view-part-internally)
975 ("view externally" . gnus-mime-view-part-externally))
976 "An alist of actions that run on the MIME attachment."
977 :group 'gnus-article-mime
978 :type '(repeat (cons (string :tag "name")
981 (defcustom gnus-auto-select-part 1
982 "Advance to next MIME part when deleting or stripping parts.
984 When 0, point will be placed on the same part as before. When
985 positive (negative), move point forward (backwards) this many
986 parts. When nil, redisplay article."
987 :version "23.0" ;; No Gnus
988 :group 'gnus-article-mime
989 :type '(choice (const nil :tag "Redisplay article.")
990 (const 1 :tag "Next part.")
991 (const 0 :tag "Current part.")
995 ;;; The treatment variables
998 (defvar gnus-part-display-hook nil
999 "Hook called on parts that are to receive treatment.")
1001 (defvar gnus-article-treat-custom
1002 '(choice (const :tag "Off" nil)
1004 (const :tag "Header" head)
1005 (const :tag "First" first)
1006 (const :tag "Last" last)
1007 (integer :tag "Less")
1008 (repeat :tag "Groups" regexp)
1009 (sexp :tag "Predicate")))
1011 (defvar gnus-article-treat-head-custom
1012 '(choice (const :tag "Off" nil)
1013 (const :tag "Header" head)))
1015 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1019 (defvar gnus-inhibit-treatment nil
1020 "Whether to inhibit treatment.")
1022 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1023 "Highlight the signature.
1024 Valid values are nil, t, `head', `first', `last', an integer or a
1025 predicate. See Info node `(gnus)Customizing Articles'."
1026 :group 'gnus-article-treat
1027 :link '(custom-manual "(gnus)Customizing Articles")
1028 :type gnus-article-treat-custom)
1029 (put 'gnus-treat-highlight-signature 'highlight t)
1031 (defcustom gnus-treat-buttonize 100000
1033 Valid values are nil, t, `head', `first', `last', an integer or a
1034 predicate. See Info node `(gnus)Customizing Articles'."
1035 :group 'gnus-article-treat
1036 :link '(custom-manual "(gnus)Customizing Articles")
1037 :type gnus-article-treat-custom)
1038 (put 'gnus-treat-buttonize 'highlight t)
1040 (defcustom gnus-treat-buttonize-head 'head
1041 "Add buttons to the head.
1042 Valid values are nil, t, `head', `first', `last', an integer or a
1043 predicate. See Info node `(gnus)Customizing Articles'."
1044 :group 'gnus-article-treat
1045 :link '(custom-manual "(gnus)Customizing Articles")
1046 :type gnus-article-treat-head-custom)
1047 (put 'gnus-treat-buttonize-head 'highlight t)
1049 (defcustom gnus-treat-emphasize
1050 (and (or window-system
1054 Valid values are nil, t, `head', `first', `last', an integer or a
1055 predicate. See Info node `(gnus)Customizing Articles'."
1056 :group 'gnus-article-treat
1057 :link '(custom-manual "(gnus)Customizing Articles")
1058 :type gnus-article-treat-custom)
1059 (put 'gnus-treat-emphasize 'highlight t)
1061 (defcustom gnus-treat-strip-cr nil
1062 "Remove carriage returns.
1063 Valid values are nil, t, `head', `first', `last', an integer or a
1064 predicate. See Info node `(gnus)Customizing Articles'."
1066 :group 'gnus-article-treat
1067 :link '(custom-manual "(gnus)Customizing Articles")
1068 :type gnus-article-treat-custom)
1070 (defcustom gnus-treat-unsplit-urls nil
1071 "Remove newlines from within URLs.
1072 Valid values are nil, t, `head', `first', `last', an integer or a
1073 predicate. See Info node `(gnus)Customizing Articles'."
1075 :group 'gnus-article-treat
1076 :link '(custom-manual "(gnus)Customizing Articles")
1077 :type gnus-article-treat-custom)
1079 (defcustom gnus-treat-leading-whitespace nil
1080 "Remove leading whitespace in headers.
1081 Valid values are nil, t, `head', `first', `last', an integer or a
1082 predicate. See Info node `(gnus)Customizing Articles'."
1084 :group 'gnus-article-treat
1085 :link '(custom-manual "(gnus)Customizing Articles")
1086 :type gnus-article-treat-custom)
1088 (defcustom gnus-treat-hide-headers 'head
1090 Valid values are nil, t, `head', `first', `last', an integer or a
1091 predicate. See Info node `(gnus)Customizing Articles'."
1092 :group 'gnus-article-treat
1093 :link '(custom-manual "(gnus)Customizing Articles")
1094 :type gnus-article-treat-head-custom)
1096 (defcustom gnus-treat-hide-boring-headers nil
1097 "Hide boring headers.
1098 Valid values are nil, t, `head', `first', `last', an integer or a
1099 predicate. See Info node `(gnus)Customizing Articles'."
1100 :group 'gnus-article-treat
1101 :link '(custom-manual "(gnus)Customizing Articles")
1102 :type gnus-article-treat-head-custom)
1104 (defcustom gnus-treat-hide-signature nil
1105 "Hide the signature.
1106 Valid values are nil, t, `head', `first', `last', an integer or a
1107 predicate. See Info node `(gnus)Customizing Articles'."
1108 :group 'gnus-article-treat
1109 :link '(custom-manual "(gnus)Customizing Articles")
1110 :type gnus-article-treat-custom)
1112 (defcustom gnus-treat-fill-article nil
1114 Valid values are nil, t, `head', `first', `last', an integer or a
1115 predicate. See Info node `(gnus)Customizing Articles'."
1116 :group 'gnus-article-treat
1117 :link '(custom-manual "(gnus)Customizing Articles")
1118 :type gnus-article-treat-custom)
1120 (defcustom gnus-treat-hide-citation nil
1122 Valid values are nil, t, `head', `first', `last', an integer or a
1123 predicate. See Info node `(gnus)Customizing Articles'."
1124 :group 'gnus-article-treat
1125 :link '(custom-manual "(gnus)Customizing Articles")
1126 :type gnus-article-treat-custom)
1128 (defcustom gnus-treat-hide-citation-maybe nil
1130 Valid values are nil, t, `head', `first', `last', an integer or a
1131 predicate. See Info node `(gnus)Customizing Articles'."
1132 :group 'gnus-article-treat
1133 :link '(custom-manual "(gnus)Customizing Articles")
1134 :type gnus-article-treat-custom)
1136 (defcustom gnus-treat-strip-list-identifiers 'head
1137 "Strip list identifiers from `gnus-list-identifiers`.
1138 Valid values are nil, t, `head', `first', `last', an integer or a
1139 predicate. See Info node `(gnus)Customizing Articles'."
1141 :group 'gnus-article-treat
1142 :link '(custom-manual "(gnus)Customizing Articles")
1143 :type gnus-article-treat-custom)
1145 (make-obsolete-variable 'gnus-treat-strip-pgp
1146 "This option is obsolete in Gnus 5.10.")
1148 (defcustom gnus-treat-strip-pem nil
1149 "Strip PEM signatures.
1150 Valid values are nil, t, `head', `first', `last', an integer or a
1151 predicate. See Info node `(gnus)Customizing Articles'."
1152 :group 'gnus-article-treat
1153 :link '(custom-manual "(gnus)Customizing Articles")
1154 :type gnus-article-treat-custom)
1156 (defcustom gnus-treat-strip-banner t
1157 "Strip banners from articles.
1158 The banner to be stripped is specified in the `banner' group parameter.
1159 Valid values are nil, t, `head', `first', `last', an integer or a
1160 predicate. See Info node `(gnus)Customizing Articles'."
1161 :group 'gnus-article-treat
1162 :link '(custom-manual "(gnus)Customizing Articles")
1163 :type gnus-article-treat-custom)
1165 (defcustom gnus-treat-highlight-headers 'head
1166 "Highlight the headers.
1167 Valid values are nil, t, `head', `first', `last', an integer or a
1168 predicate. See Info node `(gnus)Customizing Articles'."
1169 :group 'gnus-article-treat
1170 :link '(custom-manual "(gnus)Customizing Articles")
1171 :type gnus-article-treat-head-custom)
1172 (put 'gnus-treat-highlight-headers 'highlight t)
1174 (defcustom gnus-treat-highlight-citation t
1175 "Highlight cited text.
1176 Valid values are nil, t, `head', `first', `last', an integer or a
1177 predicate. See Info node `(gnus)Customizing Articles'."
1178 :group 'gnus-article-treat
1179 :link '(custom-manual "(gnus)Customizing Articles")
1180 :type gnus-article-treat-custom)
1181 (put 'gnus-treat-highlight-citation 'highlight t)
1183 (defcustom gnus-treat-date-ut nil
1184 "Display the Date in UT (GMT).
1185 Valid values are nil, t, `head', `first', `last', an integer or a
1186 predicate. See Info node `(gnus)Customizing Articles'."
1187 :group 'gnus-article-treat
1188 :link '(custom-manual "(gnus)Customizing Articles")
1189 :type gnus-article-treat-head-custom)
1191 (defcustom gnus-treat-date-local nil
1192 "Display the Date in the local timezone.
1193 Valid values are nil, t, `head', `first', `last', an integer or a
1194 predicate. See Info node `(gnus)Customizing Articles'."
1195 :group 'gnus-article-treat
1196 :link '(custom-manual "(gnus)Customizing Articles")
1197 :type gnus-article-treat-head-custom)
1199 (defcustom gnus-treat-date-english nil
1200 "Display the Date in a format that can be read aloud in English.
1201 Valid values are nil, t, `head', `first', `last', an integer or a
1202 predicate. See Info node `(gnus)Customizing Articles'."
1204 :group 'gnus-article-treat
1205 :link '(custom-manual "(gnus)Customizing Articles")
1206 :type gnus-article-treat-head-custom)
1208 (defcustom gnus-treat-date-lapsed nil
1209 "Display the Date header in a way that says how much time has elapsed.
1210 Valid values are nil, t, `head', `first', `last', an integer or a
1211 predicate. See Info node `(gnus)Customizing Articles'."
1212 :group 'gnus-article-treat
1213 :link '(custom-manual "(gnus)Customizing Articles")
1214 :type gnus-article-treat-head-custom)
1216 (defcustom gnus-treat-date-original nil
1217 "Display the date in the original timezone.
1218 Valid values are nil, t, `head', `first', `last', an integer or a
1219 predicate. See Info node `(gnus)Customizing Articles'."
1220 :group 'gnus-article-treat
1221 :link '(custom-manual "(gnus)Customizing Articles")
1222 :type gnus-article-treat-head-custom)
1224 (defcustom gnus-treat-date-iso8601 nil
1225 "Display the date in the ISO8601 format.
1226 Valid values are nil, t, `head', `first', `last', an integer or a
1227 predicate. See Info node `(gnus)Customizing Articles'."
1229 :group 'gnus-article-treat
1230 :link '(custom-manual "(gnus)Customizing Articles")
1231 :type gnus-article-treat-head-custom)
1233 (defcustom gnus-treat-date-user-defined nil
1234 "Display the date in a user-defined format.
1235 The format is defined by the `gnus-article-time-format' variable.
1236 Valid values are nil, t, `head', `first', `last', an integer or a
1237 predicate. See Info node `(gnus)Customizing Articles'."
1238 :group 'gnus-article-treat
1239 :link '(custom-manual "(gnus)Customizing Articles")
1240 :type gnus-article-treat-head-custom)
1242 (defcustom gnus-treat-strip-headers-in-body t
1243 "Strip the X-No-Archive header line from the beginning of the body.
1244 Valid values are nil, t, `head', `first', `last', an integer or a
1245 predicate. See Info node `(gnus)Customizing Articles'."
1247 :group 'gnus-article-treat
1248 :link '(custom-manual "(gnus)Customizing Articles")
1249 :type gnus-article-treat-custom)
1251 (defcustom gnus-treat-strip-trailing-blank-lines nil
1252 "Strip trailing blank lines.
1253 Valid values are nil, t, `head', `first', `last', an integer or a
1254 predicate. See Info node `(gnus)Customizing Articles'.
1256 When set to t, it also strips trailing blanks in all MIME parts.
1257 Consider to use `last' instead."
1258 :group 'gnus-article-treat
1259 :link '(custom-manual "(gnus)Customizing Articles")
1260 :type gnus-article-treat-custom)
1262 (defcustom gnus-treat-strip-leading-blank-lines nil
1263 "Strip leading blank lines.
1264 Valid values are nil, t, `head', `first', `last', an integer or a
1265 predicate. See Info node `(gnus)Customizing Articles'.
1267 When set to t, it also strips trailing blanks in all MIME parts."
1268 :group 'gnus-article-treat
1269 :link '(custom-manual "(gnus)Customizing Articles")
1270 :type gnus-article-treat-custom)
1272 (defcustom gnus-treat-strip-multiple-blank-lines nil
1273 "Strip multiple blank lines.
1274 Valid values are nil, t, `head', `first', `last', an integer or a
1275 predicate. See Info node `(gnus)Customizing Articles'."
1276 :group 'gnus-article-treat
1277 :link '(custom-manual "(gnus)Customizing Articles")
1278 :type gnus-article-treat-custom)
1280 (defcustom gnus-treat-unfold-headers 'head
1281 "Unfold folded header lines.
1282 Valid values are nil, t, `head', `first', `last', an integer or a
1283 predicate. See Info node `(gnus)Customizing Articles'."
1285 :group 'gnus-article-treat
1286 :link '(custom-manual "(gnus)Customizing Articles")
1287 :type gnus-article-treat-custom)
1289 (defcustom gnus-treat-fold-headers nil
1291 Valid values are nil, t, `head', `first', `last', an integer or a
1292 predicate. See Info node `(gnus)Customizing Articles'."
1294 :group 'gnus-article-treat
1295 :link '(custom-manual "(gnus)Customizing Articles")
1296 :type gnus-article-treat-custom)
1298 (defcustom gnus-treat-fold-newsgroups 'head
1299 "Fold the Newsgroups and Followup-To headers.
1300 Valid values are nil, t, `head', `first', `last', an integer or a
1301 predicate. See Info node `(gnus)Customizing Articles'."
1303 :group 'gnus-article-treat
1304 :link '(custom-manual "(gnus)Customizing Articles")
1305 :type gnus-article-treat-custom)
1307 (defcustom gnus-treat-overstrike t
1308 "Treat overstrike highlighting.
1309 Valid values are nil, t, `head', `first', `last', an integer or a
1310 predicate. See Info node `(gnus)Customizing Articles'."
1311 :group 'gnus-article-treat
1312 :link '(custom-manual "(gnus)Customizing Articles")
1313 :type gnus-article-treat-custom)
1314 (put 'gnus-treat-overstrike 'highlight t)
1316 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1317 "Treat ANSI SGR control sequences.
1318 Valid values are nil, t, `head', `first', `last', an integer or a
1319 predicate. See Info node `(gnus)Customizing Articles'."
1320 :group 'gnus-article-treat
1321 :link '(custom-manual "(gnus)Customizing Articles")
1322 :type gnus-article-treat-custom)
1324 (make-obsolete-variable 'gnus-treat-display-xface
1325 'gnus-treat-display-x-face)
1327 (defcustom gnus-treat-display-x-face
1328 (and (not noninteractive)
1329 (or (and (fboundp 'image-type-available-p)
1330 (image-type-available-p 'xbm)
1331 (string-match "^0x" (shell-command-to-string "uncompface"))
1332 (executable-find "icontopbm"))
1333 (and (featurep 'xemacs)
1336 "Display X-Face headers.
1337 Valid values are nil, t, `head', `first', `last', an integer or a
1338 predicate. See Info node `(gnus)Customizing Articles' and Info
1339 node `(gnus)X-Face' for details."
1340 :group 'gnus-article-treat
1342 :link '(custom-manual "(gnus)Customizing Articles")
1343 :link '(custom-manual "(gnus)X-Face")
1344 :type gnus-article-treat-head-custom
1345 :set (lambda (symbol value)
1348 (cond ((or (boundp symbol) (get symbol 'saved-value))
1350 ((boundp 'gnus-treat-display-xface)
1352 ** gnus-treat-display-xface is an obsolete variable;\
1353 use gnus-treat-display-x-face instead")
1354 (default-value 'gnus-treat-display-xface))
1355 ((get 'gnus-treat-display-xface 'saved-value)
1357 ** gnus-treat-display-xface is an obsolete variable;\
1358 use gnus-treat-display-x-face instead")
1359 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1362 (put 'gnus-treat-display-x-face 'highlight t)
1364 (defcustom gnus-treat-display-face
1365 (and (not noninteractive)
1366 (or (and (fboundp 'image-type-available-p)
1367 (image-type-available-p 'png))
1368 (and (featurep 'xemacs)
1371 "Display Face headers.
1372 Valid values are nil, t, `head', `first', `last', an integer or a
1373 predicate. See Info node `(gnus)Customizing Articles' and Info
1374 node `(gnus)X-Face' for details."
1375 :group 'gnus-article-treat
1377 :link '(custom-manual "(gnus)Customizing Articles")
1378 :link '(custom-manual "(gnus)X-Face")
1379 :type gnus-article-treat-head-custom)
1380 (put 'gnus-treat-display-face 'highlight t)
1382 (defcustom gnus-treat-display-smileys
1383 (if (or (and (featurep 'xemacs)
1385 (and (fboundp 'image-type-available-p)
1386 (image-type-available-p 'pbm)))
1389 Valid values are nil, t, `head', `first', `last', an integer or a
1390 predicate. See Info node `(gnus)Customizing Articles' and Info
1391 node `(gnus)Smileys' for details."
1392 :group 'gnus-article-treat
1394 :link '(custom-manual "(gnus)Customizing Articles")
1395 :link '(custom-manual "(gnus)Smileys")
1396 :type gnus-article-treat-custom)
1397 (put 'gnus-treat-display-smileys 'highlight t)
1399 (defcustom gnus-treat-from-picon
1400 (if (and (gnus-image-type-available-p 'xpm)
1401 (gnus-picons-installed-p))
1403 "Display picons in the From header.
1404 Valid values are nil, t, `head', `first', `last', an integer or a
1405 predicate. See Info node `(gnus)Customizing Articles' and Info
1406 node `(gnus)Picons' for details."
1408 :group 'gnus-article-treat
1410 :link '(custom-manual "(gnus)Customizing Articles")
1411 :link '(custom-manual "(gnus)Picons")
1412 :type gnus-article-treat-head-custom)
1413 (put 'gnus-treat-from-picon 'highlight t)
1415 (defcustom gnus-treat-mail-picon
1416 (if (and (gnus-image-type-available-p 'xpm)
1417 (gnus-picons-installed-p))
1419 "Display picons in To and Cc headers.
1420 Valid values are nil, t, `head', `first', `last', an integer or a
1421 predicate. See Info node `(gnus)Customizing Articles' and Info
1422 node `(gnus)Picons' for details."
1424 :group 'gnus-article-treat
1426 :link '(custom-manual "(gnus)Customizing Articles")
1427 :link '(custom-manual "(gnus)Picons")
1428 :type gnus-article-treat-head-custom)
1429 (put 'gnus-treat-mail-picon 'highlight t)
1431 (defcustom gnus-treat-newsgroups-picon
1432 (if (and (gnus-image-type-available-p 'xpm)
1433 (gnus-picons-installed-p))
1435 "Display picons in the Newsgroups and Followup-To headers.
1436 Valid values are nil, t, `head', `first', `last', an integer or a
1437 predicate. See Info node `(gnus)Customizing Articles' and Info
1438 node `(gnus)Picons' for details."
1440 :group 'gnus-article-treat
1442 :link '(custom-manual "(gnus)Customizing Articles")
1443 :link '(custom-manual "(gnus)Picons")
1444 :type gnus-article-treat-head-custom)
1445 (put 'gnus-treat-newsgroups-picon 'highlight t)
1447 (defcustom gnus-treat-body-boundary
1448 (if (and (eq window-system 'x)
1449 (or gnus-treat-newsgroups-picon
1450 gnus-treat-mail-picon
1451 gnus-treat-from-picon))
1453 "Draw a boundary at the end of the headers.
1454 Valid values are nil and `head'.
1455 See Info node `(gnus)Customizing Articles' for details."
1457 :group 'gnus-article-treat
1458 :link '(custom-manual "(gnus)Customizing Articles")
1459 :type gnus-article-treat-head-custom)
1461 (defcustom gnus-treat-capitalize-sentences nil
1462 "Capitalize sentence-starting words.
1463 Valid values are nil, t, `head', `first', `last', an integer or a
1464 predicate. See Info node `(gnus)Customizing Articles'."
1466 :group 'gnus-article-treat
1467 :link '(custom-manual "(gnus)Customizing Articles")
1468 :type gnus-article-treat-custom)
1470 (defcustom gnus-treat-wash-html nil
1472 Valid values are nil, t, `head', `first', `last', an integer or a
1473 predicate. See Info node `(gnus)Customizing Articles'."
1475 :group 'gnus-article-treat
1476 :link '(custom-manual "(gnus)Customizing Articles")
1477 :type gnus-article-treat-custom)
1479 (defcustom gnus-treat-fill-long-lines nil
1481 Valid values are nil, t, `head', `first', `last', an integer or a
1482 predicate. See Info node `(gnus)Customizing Articles'."
1483 :group 'gnus-article-treat
1484 :link '(custom-manual "(gnus)Customizing Articles")
1485 :type gnus-article-treat-custom)
1487 (defcustom gnus-treat-play-sounds nil
1489 Valid values are nil, t, `head', `first', `last', an integer or a
1490 predicate. See Info node `(gnus)Customizing Articles'."
1492 :group 'gnus-article-treat
1493 :link '(custom-manual "(gnus)Customizing Articles")
1494 :type gnus-article-treat-custom)
1496 (defcustom gnus-treat-translate nil
1497 "Translate articles from one language to another.
1498 Valid values are nil, t, `head', `first', `last', an integer or a
1499 predicate. See Info node `(gnus)Customizing Articles'."
1501 :group 'gnus-article-treat
1502 :link '(custom-manual "(gnus)Customizing Articles")
1503 :type gnus-article-treat-custom)
1505 (defcustom gnus-treat-x-pgp-sig nil
1507 To automatically treat X-PGP-Sig, set it to head.
1508 Valid values are nil, t, `head', `first', `last', an integer or a
1509 predicate. See Info node `(gnus)Customizing Articles'."
1511 :group 'gnus-article-treat
1512 :group 'mime-security
1513 :link '(custom-manual "(gnus)Customizing Articles")
1514 :type gnus-article-treat-custom)
1516 (defvar gnus-article-encrypt-protocol-alist
1517 '(("PGP" . mml2015-self-encrypt)))
1519 ;; Set to nil if more than one protocol added to
1520 ;; gnus-article-encrypt-protocol-alist.
1521 (defcustom gnus-article-encrypt-protocol "PGP"
1522 "The protocol used for encrypt articles.
1523 It is a string, such as \"PGP\". If nil, ask user."
1526 :group 'mime-security)
1528 (defvar gnus-article-wash-function nil
1529 "Function used for converting HTML into text.")
1531 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1532 (mm-coding-system-p 'utf-8)
1533 (executable-find idna-program))
1534 "Whether IDNA decoding of headers is used when viewing messages.
1535 This requires GNU Libidn, and by default only enabled if it is found."
1537 :group 'gnus-article-headers
1540 (defcustom gnus-article-over-scroll nil
1541 "If non-nil, allow scrolling the article buffer even when there no more text."
1543 :group 'gnus-article
1546 ;;; Internal variables
1548 (defvar gnus-english-month-names
1549 '("January" "February" "March" "April" "May" "June" "July" "August"
1550 "September" "October" "November" "December"))
1552 (defvar gnus-button-regexp nil)
1553 (defvar gnus-button-marker-list nil)
1554 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1556 (defvar gnus-button-last nil)
1557 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1559 (defvar article-goto-body-goes-to-point-min-p nil)
1560 (defvar gnus-article-wash-types nil)
1561 (defvar gnus-article-emphasis-alist nil)
1562 (defvar gnus-article-image-alist nil)
1564 (defvar gnus-article-mime-handle-alist-1 nil)
1565 (defvar gnus-treatment-function-alist
1566 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1567 (gnus-treat-strip-banner gnus-article-strip-banner)
1568 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1569 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1570 (gnus-treat-buttonize gnus-article-add-buttons)
1571 (gnus-treat-fill-article gnus-article-fill-cited-article)
1572 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1573 (gnus-treat-strip-cr gnus-article-remove-cr)
1574 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1575 (gnus-treat-date-ut gnus-article-date-ut)
1576 (gnus-treat-date-local gnus-article-date-local)
1577 (gnus-treat-date-english gnus-article-date-english)
1578 (gnus-treat-date-original gnus-article-date-original)
1579 (gnus-treat-date-user-defined gnus-article-date-user)
1580 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1581 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1582 (gnus-treat-display-x-face gnus-article-display-x-face)
1583 (gnus-treat-display-face gnus-article-display-face)
1584 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1585 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1586 (gnus-treat-hide-signature gnus-article-hide-signature)
1587 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1588 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1589 (gnus-treat-strip-pem gnus-article-hide-pem)
1590 (gnus-treat-from-picon gnus-treat-from-picon)
1591 (gnus-treat-mail-picon gnus-treat-mail-picon)
1592 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1593 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1594 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1595 (gnus-treat-strip-trailing-blank-lines
1596 gnus-article-remove-trailing-blank-lines)
1597 (gnus-treat-strip-leading-blank-lines
1598 gnus-article-strip-leading-blank-lines)
1599 (gnus-treat-strip-multiple-blank-lines
1600 gnus-article-strip-multiple-blank-lines)
1601 (gnus-treat-overstrike gnus-article-treat-overstrike)
1602 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1603 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1604 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1605 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1606 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1607 (gnus-treat-display-smileys gnus-treat-smiley)
1608 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1609 (gnus-treat-wash-html gnus-article-wash-html)
1610 (gnus-treat-emphasize gnus-article-emphasize)
1611 (gnus-treat-hide-citation gnus-article-hide-citation)
1612 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1613 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1614 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1615 (gnus-treat-play-sounds gnus-earcon-display)))
1617 (defvar gnus-article-mime-handle-alist nil)
1618 (defvar article-lapsed-timer nil)
1619 (defvar gnus-article-current-summary nil)
1621 (defvar gnus-article-mode-syntax-table
1622 (let ((table (copy-syntax-table text-mode-syntax-table)))
1623 ;; This causes the citation match run O(2^n).
1624 ;; (modify-syntax-entry ?- "w" table)
1625 (modify-syntax-entry ?> ")<" table)
1626 (modify-syntax-entry ?< "(>" table)
1627 ;; make M-. in article buffers work for `foo' strings
1628 (modify-syntax-entry ?' " " table)
1629 (modify-syntax-entry ?` " " table)
1631 "Syntax table used in article mode buffers.
1632 Initialized from `text-mode-syntax-table.")
1634 (defvar gnus-save-article-buffer nil)
1636 (defvar gnus-article-mode-line-format-alist
1637 (nconc '((?w (gnus-article-wash-status) ?s)
1638 (?m (gnus-article-mime-part-status) ?s))
1639 gnus-summary-mode-line-format-alist))
1641 (defvar gnus-number-of-articles-to-be-saved nil)
1643 (defvar gnus-inhibit-hiding nil)
1645 (defvar gnus-article-edit-mode nil)
1647 ;;; Macros for dealing with the article buffer.
1649 (defmacro gnus-with-article-headers (&rest forms)
1651 (set-buffer gnus-article-buffer)
1653 (let ((inhibit-read-only t)
1654 (inhibit-point-motion-hooks t)
1655 (case-fold-search t))
1656 (article-narrow-to-head)
1659 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1660 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1662 (defmacro gnus-with-article-buffer (&rest forms)
1664 (set-buffer gnus-article-buffer)
1665 (let ((inhibit-read-only t))
1668 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1669 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1671 (defun gnus-article-goto-header (header)
1672 "Go to HEADER, which is a regular expression."
1673 (re-search-forward (concat "^\\(" header "\\):") nil t))
1675 (defsubst gnus-article-hide-text (b e props)
1676 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1677 (gnus-add-text-properties-when 'article-type nil b e props)
1678 (when (memq 'intangible props)
1680 (max (1- b) (point-min))
1681 b 'intangible (cddr (memq 'intangible props)))))
1683 (defsubst gnus-article-unhide-text (b e)
1684 "Remove hidden text properties from region between B and E."
1685 (remove-text-properties b e gnus-hidden-properties)
1686 (when (memq 'intangible gnus-hidden-properties)
1687 (put-text-property (max (1- b) (point-min))
1688 b 'intangible nil)))
1690 (defun gnus-article-hide-text-type (b e type)
1691 "Hide text of TYPE between B and E."
1692 (gnus-add-wash-type type)
1693 (gnus-article-hide-text
1694 b e (cons 'article-type (cons type gnus-hidden-properties))))
1696 (defun gnus-article-unhide-text-type (b e type)
1697 "Unhide text of TYPE between B and E."
1698 (gnus-delete-wash-type type)
1699 (remove-text-properties
1700 b e (cons 'article-type (cons type gnus-hidden-properties)))
1701 (when (memq 'intangible gnus-hidden-properties)
1702 (put-text-property (max (1- b) (point-min))
1703 b 'intangible nil)))
1705 (defun gnus-article-hide-text-of-type (type)
1706 "Hide text of TYPE in the current buffer."
1708 (let ((b (point-min))
1710 (while (setq b (text-property-any b e 'article-type type))
1711 (add-text-properties b (incf b) gnus-hidden-properties)))))
1713 (defun gnus-article-delete-text-of-type (type)
1714 "Delete text of TYPE in the current buffer."
1716 (let ((b (point-min)))
1717 (if (eq type 'multipart)
1718 ;; Remove MIME buttons associated with multipart/alternative parts.
1721 (while (if (get-text-property (point) 'gnus-part)
1723 (when (setq b (next-single-property-change (point)
1728 (skip-chars-forward "\n")
1729 (when (eq (get-text-property b 'article-type) 'multipart)
1730 (delete-region b (point)))))
1731 (while (setq b (text-property-any b (point-max) 'article-type type))
1733 b (or (text-property-not-all b (point-max) 'article-type type)
1736 (defun gnus-article-delete-invisible-text ()
1737 "Delete all invisible text in the current buffer."
1739 (let ((b (point-min)))
1740 (while (setq b (text-property-any b (point-max) 'invisible t))
1742 b (or (text-property-not-all b (point-max) 'invisible t)
1745 (defun gnus-article-text-type-exists-p (type)
1746 "Say whether any text of type TYPE exists in the buffer."
1747 (text-property-any (point-min) (point-max) 'article-type type))
1749 (defsubst gnus-article-header-rank ()
1750 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1751 (let ((list gnus-sorted-header-list)
1754 (if (looking-at (car list))
1756 (setq list (cdr list))
1760 (defun article-hide-headers (&optional arg delete)
1761 "Hide unwanted headers and possibly sort them as well."
1763 ;; This function might be inhibited.
1764 (unless gnus-inhibit-hiding
1765 (let ((inhibit-read-only nil)
1766 (case-fold-search t)
1767 (max (1+ (length gnus-sorted-header-list)))
1768 (inhibit-point-motion-hooks t)
1769 (cur (current-buffer))
1770 ignored visible beg)
1772 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1773 ;; group parameters, so we should go to the summary buffer.
1776 (progn (set-buffer gnus-summary-buffer) t)
1778 (setq ignored (when (not gnus-visible-headers)
1779 (cond ((stringp gnus-ignored-headers)
1780 gnus-ignored-headers)
1781 ((listp gnus-ignored-headers)
1782 (mapconcat 'identity
1783 gnus-ignored-headers
1785 visible (cond ((stringp gnus-visible-headers)
1786 gnus-visible-headers)
1787 ((and gnus-visible-headers
1788 (listp gnus-visible-headers))
1789 (mapconcat 'identity
1790 gnus-visible-headers
1794 ;; First we narrow to just the headers.
1795 (article-narrow-to-head)
1796 ;; Hide any "From " lines at the beginning of (mail) articles.
1797 (while (looking-at "From ")
1800 (delete-region (point-min) (point)))
1801 ;; Then treat the rest of the header lines.
1802 ;; Then we use the two regular expressions
1803 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1804 ;; select which header lines is to remain visible in the
1806 (while (re-search-forward "^[^ \t:]*:" nil t)
1808 ;; Mark the rank of the header.
1810 (point) (1+ (point)) 'message-rank
1811 (if (or (and visible (looking-at visible))
1813 (not (looking-at ignored))))
1814 (gnus-article-header-rank)
1817 (message-sort-headers-1)
1818 (when (setq beg (text-property-any
1819 (point-min) (point-max) 'message-rank (+ 2 max)))
1820 ;; We delete the unwanted headers.
1821 (gnus-add-wash-type 'headers)
1822 (add-text-properties (point-min) (+ 5 (point-min))
1823 '(article-type headers dummy-invisible t))
1824 (delete-region beg (point-max))))))))
1826 (defun article-hide-boring-headers (&optional arg)
1827 "Toggle hiding of headers that aren't very interesting.
1828 If given a negative prefix, always show; if given a positive prefix,
1830 (interactive (gnus-article-hidden-arg))
1831 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1832 (not gnus-show-all-headers))
1835 (let ((inhibit-read-only t)
1836 (inhibit-point-motion-hooks t))
1837 (article-narrow-to-head)
1838 (dolist (elem gnus-boring-article-headers)
1839 (goto-char (point-min))
1841 ;; Hide empty headers.
1843 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1845 (gnus-article-hide-text-type
1849 (if (re-search-forward "^[^ \t]" nil t)
1853 ;; Hide boring Newsgroups header.
1854 ((eq elem 'newsgroups)
1855 (when (gnus-string-equal
1856 (gnus-fetch-field "newsgroups")
1857 (gnus-group-real-name
1858 (if (boundp 'gnus-newsgroup-name)
1861 (gnus-article-hide-header "newsgroups")))
1862 ((eq elem 'to-address)
1863 (let ((to (message-fetch-field "to"))
1865 (gnus-parameter-to-address
1866 (if (boundp 'gnus-newsgroup-name)
1867 gnus-newsgroup-name ""))))
1868 (when (and to to-address
1871 ;; only one address in To
1872 (nth 1 (mail-extract-address-components to))
1874 (gnus-article-hide-header "to"))))
1876 (let ((to (message-fetch-field "to"))
1878 (gnus-parameter-to-list
1879 (if (boundp 'gnus-newsgroup-name)
1880 gnus-newsgroup-name ""))))
1881 (when (and to to-list
1884 ;; only one address in To
1885 (nth 1 (mail-extract-address-components to))
1887 (gnus-article-hide-header "to"))))
1889 (let ((cc (message-fetch-field "cc"))
1891 (gnus-parameter-to-list
1892 (if (boundp 'gnus-newsgroup-name)
1893 gnus-newsgroup-name ""))))
1894 (when (and cc to-list
1897 ;; only one address in CC
1898 (nth 1 (mail-extract-address-components cc))
1900 (gnus-article-hide-header "cc"))))
1901 ((eq elem 'followup-to)
1902 (when (gnus-string-equal
1903 (message-fetch-field "followup-to")
1904 (message-fetch-field "newsgroups"))
1905 (gnus-article-hide-header "followup-to")))
1906 ((eq elem 'reply-to)
1907 (if (gnus-group-find-parameter
1908 gnus-newsgroup-name 'broken-reply-to)
1909 (gnus-article-hide-header "reply-to")
1910 (let ((from (message-fetch-field "from"))
1911 (reply-to (message-fetch-field "reply-to")))
1918 (lambda (x) (downcase (cadr x)))
1919 (mail-extract-address-components from t))
1922 (lambda (x) (downcase (cadr x)))
1923 (mail-extract-address-components reply-to t))
1925 (gnus-article-hide-header "reply-to")))))
1927 (let ((date (message-fetch-field "date")))
1929 (< (days-between (current-time-string) date)
1931 (gnus-article-hide-header "date"))))
1933 (let ((to (message-fetch-field "to"))
1934 (cc (message-fetch-field "cc")))
1935 (when (> (length to) 1024)
1936 (gnus-article-hide-header "to"))
1937 (when (> (length cc) 1024)
1938 (gnus-article-hide-header "cc"))))
1942 (goto-char (point-min))
1943 (while (re-search-forward "^to:" nil t)
1944 (setq to-count (1+ to-count)))
1945 (when (> to-count 1)
1946 (while (> to-count 0)
1947 (goto-char (point-min))
1949 (re-search-forward "^to:" nil nil to-count)
1951 (narrow-to-region (point) (point-max))
1952 (gnus-article-hide-header "to"))
1953 (setq to-count (1- to-count))))
1954 (goto-char (point-min))
1955 (while (re-search-forward "^cc:" nil t)
1956 (setq cc-count (1+ cc-count)))
1957 (when (> cc-count 1)
1958 (while (> cc-count 0)
1959 (goto-char (point-min))
1961 (re-search-forward "^cc:" nil nil cc-count)
1963 (narrow-to-region (point) (point-max))
1964 (gnus-article-hide-header "cc"))
1965 (setq cc-count (1- cc-count)))))))))))))
1967 (defun gnus-article-hide-header (header)
1969 (goto-char (point-min))
1970 (when (re-search-forward (concat "^" header ":") nil t)
1971 (gnus-article-hide-text-type
1975 (if (re-search-forward "^[^ \t]" nil t)
1980 (defvar gnus-article-normalized-header-length 40
1981 "Length of normalized headers.")
1983 (defun article-normalize-headers ()
1984 "Make all header lines 40 characters long."
1986 (let ((inhibit-read-only t)
1990 (article-narrow-to-head)
1993 ((< (setq column (- (point-at-eol) (point)))
1994 gnus-article-normalized-header-length)
1996 (insert (make-string
1997 (- gnus-article-normalized-header-length column)
1999 ((> column gnus-article-normalized-header-length)
2000 (gnus-put-text-property
2002 (forward-char gnus-article-normalized-header-length)
2009 (forward-line 1))))))
2011 (defun article-treat-dumbquotes ()
2012 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2013 Note that this function guesses whether a character is a sm*rtq**t* or
2014 not, so it should only be used interactively.
2016 Sm*rtq**t*s are M****s***'s unilateral extension to the
2017 iso-8859-1 character map in an attempt to provide more quoting
2018 characters. If you see something like \\222 or \\264 where
2019 you're expecting some kind of apostrophe or quotation mark, then
2022 (article-translate-strings gnus-article-dumbquotes-map))
2024 (defun article-translate-characters (from to)
2025 "Translate all characters in the body of the article according to FROM and TO.
2026 FROM is a string of characters to translate from; to is a string of
2027 characters to translate to."
2029 (when (article-goto-body)
2030 (let ((inhibit-read-only t)
2031 (x (make-string 225 ?x))
2033 (while (< (incf i) (length x))
2036 (while (< i (length from))
2037 (aset x (aref from i) (aref to i))
2039 (translate-region (point) (point-max) x)))))
2041 (defun article-translate-strings (map)
2042 "Translate all string in the body of the article according to MAP.
2043 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2045 (when (article-goto-body)
2046 (let ((inhibit-read-only t))
2049 (while (search-forward (car elem) nil t)
2050 (replace-match (cadr elem)))))))))
2052 (defun article-treat-overstrike ()
2053 "Translate overstrikes into bold text."
2056 (when (article-goto-body)
2057 (let ((inhibit-read-only t))
2058 (while (search-forward "\b" nil t)
2059 (let ((next (char-after))
2060 (previous (char-after (- (point) 2))))
2061 ;; We do the boldification/underlining by hiding the
2062 ;; overstrikes and putting the proper text property
2066 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2067 (put-text-property (point) (1+ (point)) 'face 'bold))
2069 (gnus-article-hide-text-type
2070 (1- (point)) (1+ (point)) 'overstrike)
2072 (- (point) 2) (1- (point)) 'face 'underline))
2074 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2076 (point) (1+ (point)) 'face 'underline)))))))))
2078 (defun article-treat-ansi-sequences ()
2079 "Translate ANSI SGR control sequences into overlays or extents."
2082 (when (article-goto-body)
2083 (let ((inhibit-read-only t))
2084 (ansi-color-apply-on-region (point) (point-max))))))
2086 (defun gnus-article-treat-unfold-headers ()
2087 "Unfold folded message headers.
2088 Only the headers that fit into the current window width will be
2091 (gnus-with-article-headers
2095 (mail-header-narrow-to-field)
2096 (let ((header (buffer-string)))
2099 (goto-char (point-min))
2100 (while (re-search-forward "\n[\t ]" nil t)
2101 (replace-match " " t t)))
2102 (setq length (- (point-max) (point-min) 1)))
2103 (when (< length (window-width))
2104 (while (re-search-forward "\n[\t ]" nil t)
2105 (replace-match " " t t)))
2106 (goto-char (point-max)))))))
2108 (defun gnus-article-treat-fold-headers ()
2109 "Fold message headers."
2111 (gnus-with-article-headers
2114 (mail-header-narrow-to-field)
2115 (mail-header-fold-field)
2116 (goto-char (point-max))))))
2118 (defun gnus-treat-smiley ()
2119 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2121 (gnus-with-article-buffer
2122 (if (memq 'smiley gnus-article-wash-types)
2123 (gnus-delete-images 'smiley)
2125 (let ((images (smiley-region (point) (point-max))))
2127 (gnus-add-wash-type 'smiley)
2128 (dolist (image images)
2129 (gnus-add-image 'smiley image)))))))
2131 (defun gnus-article-remove-images ()
2132 "Remove all images from the article buffer."
2134 (gnus-with-article-buffer
2135 (dolist (elem gnus-article-image-alist)
2136 (gnus-delete-images (car elem)))))
2138 (defun gnus-article-treat-fold-newsgroups ()
2139 "Unfold folded message headers.
2140 Only the headers that fit into the current window width will be
2143 (gnus-with-article-headers
2144 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2146 (mail-header-narrow-to-field)
2147 (while (re-search-forward ", *" nil t)
2148 (replace-match ", " t t))
2149 (mail-header-fold-field)
2150 (goto-char (point-max))))))
2152 (defun gnus-article-treat-body-boundary ()
2153 "Place a boundary line at the end of the headers."
2155 (when (and gnus-body-boundary-delimiter
2156 (> (length gnus-body-boundary-delimiter) 0))
2157 (gnus-with-article-headers
2158 (goto-char (point-max))
2159 (let ((start (point)))
2160 (insert "X-Boundary: ")
2161 (gnus-add-text-properties start (point) '(invisible t intangible t))
2163 (while (>= (1- (window-width)) (length str))
2164 (setq str (concat str gnus-body-boundary-delimiter)))
2165 (substring str 0 (1- (window-width))))
2167 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2169 (defun article-fill-long-lines ()
2170 "Fill lines that are wider than the window width."
2173 (let ((inhibit-read-only t)
2174 (width (window-width (get-buffer-window (current-buffer)))))
2177 (let ((adaptive-fill-mode nil)) ;Why? -sm
2180 (when (>= (current-column) (min fill-column width))
2181 (narrow-to-region (min (1+ (point)) (point-max))
2183 (let ((goback (point-marker)))
2184 (fill-paragraph nil)
2185 (goto-char (marker-position goback)))
2187 (forward-line 1)))))))
2189 (defun article-capitalize-sentences ()
2190 "Capitalize the first word in each sentence."
2193 (let ((inhibit-read-only t)
2194 (paragraph-start "^[\n\^L]"))
2198 (forward-sentence)))))
2200 (defun article-remove-cr ()
2201 "Remove trailing CRs and then translate remaining CRs into LFs."
2204 (let ((inhibit-read-only t))
2205 (goto-char (point-min))
2206 (while (re-search-forward "\r+$" nil t)
2207 (replace-match "" t t))
2208 (goto-char (point-min))
2209 (while (search-forward "\r" nil t)
2210 (replace-match "\n" t t)))))
2212 (defun article-remove-trailing-blank-lines ()
2213 "Remove all trailing blank lines from the article."
2216 (let ((inhibit-read-only t))
2217 (goto-char (point-max))
2221 (while (and (not (bobp))
2222 (looking-at "^[ \t]*$")
2223 (not (gnus-annotation-in-region-p
2224 (point) (point-at-eol))))
2230 (defvar gnus-face-properties-alist))
2232 (defun article-display-face ()
2233 "Display any Face headers in the header."
2235 (let ((wash-face-p buffer-read-only))
2236 (gnus-with-article-headers
2237 ;; When displaying parts, this function can be called several times on
2238 ;; the same article, without any intended toggle semantic (as typing `W
2239 ;; D d' would have). So face deletion must occur only when we come from
2240 ;; an interactive command, that is when the *Article* buffer is
2242 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2243 (gnus-delete-images 'face)
2244 (let (face faces from)
2245 (save-current-buffer
2246 (when (and wash-face-p
2247 (gnus-buffer-live-p gnus-original-article-buffer)
2248 (not (re-search-forward "^Face:[\t ]*" nil t)))
2249 (set-buffer gnus-original-article-buffer))
2251 (mail-narrow-to-head)
2252 (while (gnus-article-goto-header "Face")
2253 (push (mail-header-field-value) faces))))
2255 (goto-char (point-min))
2256 (let ((from (gnus-article-goto-header "from"))
2261 (insert "[no `from' set]\n"))
2263 (when (setq png (gnus-convert-face-to-png (pop faces)))
2265 (apply 'gnus-create-image png 'png t
2266 (cdr (assq 'png gnus-face-properties-alist))))
2268 (gnus-add-wash-type 'face)
2269 (gnus-add-image 'face image)
2270 (gnus-put-image image nil 'face))))))))))
2272 (defun article-display-x-face (&optional force)
2273 "Look for an X-Face header and display it if present."
2274 (interactive (list 'force))
2275 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2276 (gnus-with-article-headers
2277 ;; Delete the old process, if any.
2278 (when (process-status "article-x-face")
2279 (delete-process "article-x-face"))
2280 ;; See the comment in `article-display-face'.
2281 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2282 ;; We have already displayed X-Faces, so we remove them
2284 (gnus-delete-images 'xface)
2286 (let (x-faces from face)
2287 (save-current-buffer
2288 (when (and wash-face-p
2289 (gnus-buffer-live-p gnus-original-article-buffer)
2290 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2291 ;; If type `W f', use gnus-original-article-buffer,
2292 ;; otherwise use the current buffer because displaying
2293 ;; RFC822 parts calls this function too.
2294 (set-buffer gnus-original-article-buffer))
2296 (mail-narrow-to-head)
2297 (while (gnus-article-goto-header "X-Face")
2298 (push (mail-header-field-value) x-faces))
2299 (setq from (message-fetch-field "from"))))
2300 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2301 ;; single external face.
2302 (when (stringp gnus-article-x-face-command)
2303 (setq x-faces (list (car x-faces))))
2305 gnus-article-x-face-command
2307 ;; Check whether this face is censored.
2308 (not gnus-article-x-face-too-ugly)
2310 (not (string-match gnus-article-x-face-too-ugly
2312 (while (setq face (pop x-faces))
2313 ;; We display the face.
2314 (cond ((stringp gnus-article-x-face-command)
2315 ;; The command is a string, so we interpret the command
2316 ;; as a, well, command, and fork it off.
2317 (let ((process-connection-type nil))
2318 (gnus-set-process-query-on-exit-flag
2320 "article-x-face" nil shell-file-name
2321 shell-command-switch gnus-article-x-face-command)
2325 (process-send-region "article-x-face"
2326 (point-min) (point-max)))
2327 (process-send-eof "article-x-face")))
2328 ((functionp gnus-article-x-face-command)
2329 ;; The command is a lisp function, so we call it.
2330 (funcall gnus-article-x-face-command face))
2332 (error "%s is not a function"
2333 gnus-article-x-face-command))))))))))
2335 (defun article-decode-mime-words ()
2336 "Decode all MIME-encoded words in the article."
2338 (gnus-with-article-buffer
2339 (let ((inhibit-point-motion-hooks t)
2340 (mail-parse-charset gnus-newsgroup-charset)
2341 (mail-parse-ignored-charsets
2342 (with-current-buffer gnus-summary-buffer
2343 gnus-newsgroup-ignored-charsets)))
2344 (mail-decode-encoded-word-region (point-min) (point-max)))))
2346 (defun article-decode-charset (&optional prompt)
2347 "Decode charset-encoded text in the article.
2348 If PROMPT (the prefix), prompt for a coding system to use."
2350 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2351 (inhibit-read-only t)
2352 (mail-parse-charset gnus-newsgroup-charset)
2353 (mail-parse-ignored-charsets
2354 (save-excursion (condition-case nil
2355 (set-buffer gnus-summary-buffer)
2357 gnus-newsgroup-ignored-charsets))
2358 ct cte ctl charset format)
2361 (article-narrow-to-head)
2362 (setq ct (message-fetch-field "Content-Type" t)
2363 cte (message-fetch-field "Content-Transfer-Encoding" t)
2364 ctl (and ct (mail-header-parse-content-type ct))
2367 (mm-read-coding-system "Charset to decode: "))
2369 (mail-content-type-get ctl 'charset)))
2370 format (and ctl (mail-content-type-get ctl 'format)))
2372 (setq cte (mail-header-strip cte)))
2373 (if (and ctl (not (string-match "/" (car ctl))))
2375 (goto-char (point-max)))
2378 (narrow-to-region (point) (point-max))
2379 (when (and (eq mail-parse-charset 'gnus-decoded)
2380 (eq (mm-body-7-or-8) '8bit))
2381 ;; The text code could have been decoded.
2382 (setq charset mail-parse-charset))
2383 (when (and (or (not ctl)
2384 (equal (car ctl) "text/plain"))
2385 (not format)) ;; article with format will decode later.
2387 charset (and cte (intern (downcase
2388 (gnus-strip-whitespace cte))))
2391 (defun article-decode-encoded-words ()
2392 "Remove encoded-word encoding from headers."
2393 (let ((inhibit-point-motion-hooks t)
2394 (mail-parse-charset gnus-newsgroup-charset)
2395 (mail-parse-ignored-charsets
2396 (save-excursion (condition-case nil
2397 (set-buffer gnus-summary-buffer)
2399 gnus-newsgroup-ignored-charsets))
2400 (inhibit-read-only t))
2402 (article-narrow-to-head)
2403 (funcall gnus-decode-header-function (point-min) (point-max)))))
2405 (defun article-decode-group-name ()
2406 "Decode group names in `Newsgroups:'."
2407 (let ((inhibit-point-motion-hooks t)
2408 (inhibit-read-only t)
2409 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2410 (when (and (or gnus-group-name-charset-method-alist
2411 gnus-group-name-charset-group-alist)
2412 (gnus-buffer-live-p gnus-original-article-buffer))
2414 (article-narrow-to-head)
2415 (with-current-buffer gnus-original-article-buffer
2416 (goto-char (point-min)))
2417 (while (re-search-forward
2418 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2419 (replace-match (save-match-data
2420 (gnus-decode-newsgroups
2421 ;; XXX how to use data in article buffer?
2422 (with-current-buffer gnus-original-article-buffer
2424 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2427 gnus-newsgroup-name method))
2429 (goto-char (point-min))
2430 (with-current-buffer gnus-original-article-buffer
2431 (goto-char (point-min)))
2432 (while (re-search-forward
2433 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2434 (replace-match (save-match-data
2435 (gnus-decode-newsgroups
2436 ;; XXX how to use data in article buffer?
2437 (with-current-buffer gnus-original-article-buffer
2439 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2442 gnus-newsgroup-name method))
2445 (autoload 'idna-to-unicode "idna")
2447 (defun article-decode-idna-rhs ()
2448 "Decode IDNA strings in RHS in various headers in current buffer.
2449 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2450 Mail-Reply-To: and Mail-Followup-To:."
2453 (let ((inhibit-point-motion-hooks t)
2454 (inhibit-read-only t))
2455 (article-narrow-to-head)
2456 (goto-char (point-min))
2457 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2459 (when (save-match-data
2460 (and (setq ace (match-string 1))
2462 (and (re-search-backward "^[^ \t]" nil t)
2463 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2464 (setq unicode (idna-to-unicode ace))))
2465 (unless (string= ace unicode)
2466 (replace-match unicode nil nil nil 1)))))))))
2468 (defun article-de-quoted-unreadable (&optional force read-charset)
2469 "Translate a quoted-printable-encoded article.
2470 If FORCE, decode the article whether it is marked as quoted-printable
2472 If READ-CHARSET, ask for a coding system."
2473 (interactive (list 'force current-prefix-arg))
2475 (let ((inhibit-read-only t) type charset)
2476 (if (gnus-buffer-live-p gnus-original-article-buffer)
2477 (with-current-buffer gnus-original-article-buffer
2479 (gnus-fetch-field "content-transfer-encoding"))
2480 (let* ((ct (gnus-fetch-field "content-type"))
2481 (ctl (and ct (mail-header-parse-content-type ct))))
2482 (setq charset (and ctl
2483 (mail-content-type-get ctl 'charset)))
2484 (if (stringp charset)
2485 (setq charset (intern (downcase charset)))))))
2487 (setq charset (mm-read-coding-system "Charset: " charset)))
2489 (setq charset gnus-newsgroup-charset))
2491 (and type (let ((case-fold-search t))
2492 (string-match "quoted-printable" type))))
2494 (quoted-printable-decode-region
2495 (point) (point-max) (mm-charset-to-coding-system charset))))))
2497 (defun article-de-base64-unreadable (&optional force read-charset)
2498 "Translate a base64 article.
2499 If FORCE, decode the article whether it is marked as base64 not.
2500 If READ-CHARSET, ask for a coding system."
2501 (interactive (list 'force current-prefix-arg))
2503 (let ((inhibit-read-only t) type charset)
2504 (if (gnus-buffer-live-p gnus-original-article-buffer)
2505 (with-current-buffer gnus-original-article-buffer
2507 (gnus-fetch-field "content-transfer-encoding"))
2508 (let* ((ct (gnus-fetch-field "content-type"))
2509 (ctl (and ct (mail-header-parse-content-type ct))))
2510 (setq charset (and ctl
2511 (mail-content-type-get ctl 'charset)))
2512 (if (stringp charset)
2513 (setq charset (intern (downcase charset)))))))
2515 (setq charset (mm-read-coding-system "Charset: " charset)))
2517 (setq charset gnus-newsgroup-charset))
2519 (and type (let ((case-fold-search t))
2520 (string-match "base64" type))))
2523 (narrow-to-region (point) (point-max))
2524 (base64-decode-region (point-min) (point-max))
2525 (mm-decode-coding-region
2526 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2531 (defun article-decode-HZ ()
2532 "Translate a HZ-encoded article."
2536 (let ((inhibit-read-only t))
2537 (rfc1843-decode-region (point-min) (point-max)))))
2539 (defun article-unsplit-urls ()
2540 "Remove the newlines that some other mailers insert into URLs."
2543 (let ((inhibit-read-only t))
2544 (goto-char (point-min))
2545 (while (re-search-forward
2546 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2547 (replace-match "\\1\\3" t)))
2548 (when (interactive-p)
2549 (gnus-treat-article nil))))
2552 (defun article-wash-html (&optional read-charset)
2553 "Format an HTML article.
2554 If READ-CHARSET, ask for a coding system. If it is a number, the
2555 charset defined in `gnus-summary-show-article-charset-alist' is used."
2558 (let ((inhibit-read-only t)
2561 (if (or (and (numberp read-charset)
2565 gnus-summary-show-article-charset-alist))))
2566 (setq charset (mm-read-coding-system "Charset: ")))
2567 (let ((gnus-summary-show-article-charset-alist
2568 (list (cons 1 charset))))
2569 (with-current-buffer gnus-summary-buffer
2570 (gnus-summary-show-article 1)))
2571 (error "No charset is given"))
2572 (when (gnus-buffer-live-p gnus-original-article-buffer)
2573 (with-current-buffer gnus-original-article-buffer
2574 (let* ((ct (gnus-fetch-field "content-type"))
2575 (ctl (and ct (mail-header-parse-content-type ct))))
2576 (setq charset (and ctl
2577 (mail-content-type-get ctl 'charset)))
2578 (when (stringp charset)
2579 (setq charset (intern (downcase charset)))))))
2581 (setq charset gnus-newsgroup-charset)))
2583 (save-window-excursion
2585 (narrow-to-region (point) (point-max))
2586 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2587 (entry (assq func mm-text-html-washer-alist)))
2589 (setq func (cdr entry)))
2594 (apply (car func) (cdr func))))))))))
2596 (defun gnus-article-wash-html-with-w3 ()
2597 "Wash the current buffer with w3."
2599 (let ((w3-strict-width (window-width))
2600 (url-standalone-mode t)
2601 (url-gateway-unplugged t)
2602 (w3-honor-stylesheets nil))
2604 (w3-region (point-min) (point-max))
2607 (defun gnus-article-wash-html-with-w3m ()
2608 "Wash the current buffer with emacs-w3m."
2610 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2611 w3m-force-redisplay)
2612 (w3m-region (point-min) (point-max)))
2613 (when (and mm-inline-text-html-with-w3m-keymap
2614 (boundp 'w3m-minor-mode-map)
2616 (add-text-properties
2617 (point-min) (point-max)
2618 (list 'keymap w3m-minor-mode-map
2619 ;; Put the mark meaning this part was rendered by emacs-w3m.
2620 'mm-inline-text-html-with-w3m t))))
2622 (eval-when-compile (defvar charset)) ;; Bound by `article-wash-html'.
2624 (defun gnus-article-wash-html-with-w3m-standalone ()
2625 "Wash the current buffer with w3m."
2626 (if (mm-w3m-standalone-supports-m17n-p)
2628 (unless (mm-coding-system-p charset) ;; Bound by `article-wash-html'.
2630 (setq charset 'iso-8859-1))
2631 (let ((coding-system-for-write charset)
2632 (coding-system-for-read charset))
2633 (call-process-region
2634 (point-min) (point-max)
2635 "w3m" t t nil "-dump" "-T" "text/html"
2636 "-I" (symbol-name charset) "-O" (symbol-name charset))))
2637 (mm-inline-wash-with-stdin nil "w3m" "-dump" "-T" "text/html")))
2639 (defvar gnus-article-browse-html-temp-list nil
2640 "List of temporary files created by `gnus-article-browse-html-parts'.
2641 Internal variable.")
2643 (defcustom gnus-article-browse-delete-temp 'ask
2644 "What to do with temporary files from `gnus-article-browse-html-parts'.
2645 If nil, don't delete temporary files. If it is t, delete them on
2646 exit from the summary buffer. If it is the symbol `file', query
2647 on each file, if it is `ask' ask once when exiting from the
2649 :group 'gnus-article
2650 :version "23.0" ;; No Gnus
2651 :type '(choice (const :tag "Don't delete" nil)
2652 (const :tag "Don't ask" t)
2653 (const :tag "Ask" ask)
2654 (const :tag "Ask for each file" file)))
2656 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2658 (defun gnus-article-browse-delete-temp-files (&optional how)
2659 "Delete temp-files created by `gnus-article-browse-html-parts'."
2660 (when (and gnus-article-browse-html-temp-list
2662 (setq how gnus-article-browse-delete-temp)))
2663 (when (and (eq how 'ask)
2665 "Delete all %s temporary HTML file(s)? "
2666 (length gnus-article-browse-html-temp-list)))
2668 (dolist (file gnus-article-browse-html-temp-list)
2669 (when (and (file-exists-p file)
2671 ;; `how' is neither `nil', `ask' nor `t' (i.e. `file'):
2673 (format "Delete temporary HTML file `%s'? " file))))
2674 (delete-file file)))
2675 ;; Also remove file from the list when not deleted or if file doesn't
2677 (setq gnus-article-browse-html-temp-list nil))
2678 gnus-article-browse-html-temp-list)
2680 (defun gnus-article-browse-html-parts (list)
2681 "View all \"text/html\" parts from LIST.
2682 Recurse into multiparts."
2683 ;; Internal function used by `gnus-article-browse-html-article'.
2685 ;; Find and show the html-parts.
2686 (dolist (handle list)
2687 ;; If HTML, show it:
2688 (when (listp handle)
2689 (cond ((and (bufferp (car handle))
2690 (string-match "text/html" (car (mm-handle-type handle))))
2691 (let ((tmp-file (mm-make-temp-file
2692 ;; Do we need to care for 8.3 filenames?
2693 "mm-" nil ".html")))
2694 (mm-save-part-to-file handle tmp-file)
2695 (add-to-list 'gnus-article-browse-html-temp-list tmp-file)
2696 (add-hook 'gnus-summary-prepare-exit-hook
2697 'gnus-article-browse-delete-temp-files)
2698 (add-hook 'gnus-exit-gnus-hook
2700 (gnus-article-browse-delete-temp-files t)))
2701 (browse-url tmp-file)
2703 ;; If multipart, recurse
2704 ((and (stringp (car handle))
2705 (string-match "^multipart/" (car handle))
2708 (gnus-article-browse-html-parts handle))))))))
2711 ;; TODO: Key binding
2712 (defun gnus-article-browse-html-article ()
2713 "View \"text/html\" parts of the current article with a WWW browser."
2715 (save-window-excursion
2716 ;; Open raw article and select the buffer
2717 (gnus-summary-show-article t)
2718 (gnus-summary-select-article-buffer)
2719 (let ((parts (mm-dissect-buffer t t)))
2720 ;; If singlepart, enforce a list.
2721 (when (and (bufferp (car parts))
2722 (stringp (car (mm-handle-type parts))))
2723 (setq parts (list parts)))
2725 (unless (gnus-article-browse-html-parts parts)
2726 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
2727 (gnus-summary-show-article))))
2729 (defun article-hide-list-identifiers ()
2730 "Remove list identifies from the Subject header.
2731 The `gnus-list-identifiers' variable specifies what to do."
2733 (let ((inhibit-point-motion-hooks t)
2734 (regexp (if (consp gnus-list-identifiers)
2735 (mapconcat 'identity gnus-list-identifiers " *\\|")
2736 gnus-list-identifiers))
2737 (inhibit-read-only t))
2741 (article-narrow-to-head)
2742 (goto-char (point-min))
2743 (while (re-search-forward
2744 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2746 (delete-region (match-beginning 2) (match-end 0))
2747 (beginning-of-line))
2748 (when (re-search-forward
2749 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2750 (delete-region (match-beginning 1) (match-end 1))))))))
2752 (defun article-hide-pem (&optional arg)
2753 "Toggle hiding of any PEM headers and signatures in the current article.
2754 If given a negative prefix, always show; if given a positive prefix,
2756 (interactive (gnus-article-hidden-arg))
2757 (unless (gnus-article-check-hidden-text 'pem arg)
2759 (let ((inhibit-read-only t) end)
2760 (goto-char (point-min))
2761 ;; Hide the horrendously ugly "header".
2762 (when (and (search-forward
2763 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2765 (setq end (1+ (match-beginning 0))))
2766 (gnus-add-wash-type 'pem)
2767 (gnus-article-hide-text-type
2769 (if (search-forward "\n\n" nil t)
2773 ;; Hide the trailer as well
2774 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2776 (gnus-article-hide-text-type
2777 (match-beginning 0) (match-end 0) 'pem)))))))
2779 (defun article-strip-banner ()
2780 "Strip the banners specified by the `banner' group parameter and by
2781 `gnus-article-address-banner-alist'."
2785 (let ((inhibit-point-motion-hooks t))
2786 (when (gnus-parameter-banner gnus-newsgroup-name)
2787 (article-really-strip-banner
2788 (gnus-parameter-banner gnus-newsgroup-name)))
2789 (when gnus-article-address-banner-alist
2790 ;; Note that the From header is decoded here, so it is
2791 ;; required that the *-extract-address-components function
2792 ;; supports non-ASCII text.
2793 (let ((from (save-restriction
2795 (article-narrow-to-head)
2796 (mail-fetch-field "from"))))
2799 (cadr (funcall gnus-extract-address-components
2802 (dolist (pair gnus-article-address-banner-alist)
2803 (when (string-match (car pair) from)
2805 (article-really-strip-banner (cdr pair)))))))))))))
2807 (defun article-really-strip-banner (banner)
2808 "Strip the banner specified by the argument."
2811 (let ((inhibit-point-motion-hooks t)
2812 (gnus-signature-limit nil)
2813 (inhibit-read-only t))
2816 ((eq banner 'signature)
2817 (when (gnus-article-narrow-to-signature)
2820 (delete-region (point) (point-max))))
2822 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2823 (while (re-search-forward banner nil t)
2824 (delete-region (match-beginning 0) (match-end 0)))))
2826 (while (re-search-forward banner nil t)
2827 (delete-region (match-beginning 0) (match-end 0)))))))))
2829 (defun article-babel ()
2830 "Translate article using an online translation service."
2833 (gnus-with-article-buffer
2834 (when (article-goto-body)
2835 (let* ((start (point))
2837 (orig (buffer-substring start end))
2838 (trans (babel-as-string orig)))
2840 (narrow-to-region start end)
2841 (delete-region start end)
2844 (defun article-hide-signature (&optional arg)
2845 "Hide the signature in the current article.
2846 If given a negative prefix, always show; if given a positive prefix,
2848 (interactive (gnus-article-hidden-arg))
2849 (unless (gnus-article-check-hidden-text 'signature arg)
2852 (let ((inhibit-read-only t))
2853 (when (gnus-article-narrow-to-signature)
2854 (gnus-article-hide-text-type
2855 (point-min) (point-max) 'signature))))))
2856 (gnus-set-mode-line 'article))
2858 (defun article-strip-headers-in-body ()
2859 "Strip offensive headers from bodies."
2863 (let ((case-fold-search t))
2864 (when (looking-at "x-no-archive:")
2865 (gnus-delete-line)))))
2867 (defun article-strip-leading-blank-lines ()
2868 "Remove all blank lines from the beginning of the article."
2871 (let ((inhibit-point-motion-hooks t)
2872 (inhibit-read-only t))
2873 (when (article-goto-body)
2874 (while (and (not (eobp))
2875 (looking-at "[ \t]*$"))
2876 (gnus-delete-line))))))
2878 (defun article-narrow-to-head ()
2879 "Narrow the buffer to the head of the message.
2880 Point is left at the beginning of the narrowed-to region."
2882 (goto-char (point-min))
2883 (if (search-forward "\n\n" nil 1)
2886 (goto-char (point-min)))
2888 (defun article-goto-body ()
2889 "Place point at the start of the body."
2890 (goto-char (point-min))
2892 ;; This variable is only bound when dealing with separate
2894 (article-goto-body-goes-to-point-min-p
2896 ((search-forward "\n\n" nil t)
2899 (goto-char (point-max))
2902 (defun article-strip-multiple-blank-lines ()
2903 "Replace consecutive blank lines with one empty line."
2906 (let ((inhibit-point-motion-hooks t)
2907 (inhibit-read-only t))
2908 ;; First make all blank lines empty.
2910 (while (re-search-forward "^[ \t]+$" nil t)
2911 (unless (gnus-annotation-in-region-p
2912 (match-beginning 0) (match-end 0))
2913 (replace-match "" nil t)))
2914 ;; Then replace multiple empty lines with a single empty line.
2916 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2917 (unless (gnus-annotation-in-region-p
2918 (match-beginning 0) (match-end 0))
2919 (delete-region (match-beginning 1) (match-end 1)))))))
2921 (defun article-strip-leading-space ()
2922 "Remove all white space from the beginning of the lines in the article."
2925 (let ((inhibit-point-motion-hooks t)
2926 (inhibit-read-only t))
2928 (while (re-search-forward "^[ \t]+" nil t)
2929 (replace-match "" t t)))))
2931 (defun article-strip-trailing-space ()
2932 "Remove all white space from the end of the lines in the article."
2935 (let ((inhibit-point-motion-hooks t)
2936 (inhibit-read-only t))
2938 (while (re-search-forward "[ \t]+$" nil t)
2939 (replace-match "" t t)))))
2941 (defun article-strip-blank-lines ()
2942 "Strip leading, trailing and multiple blank lines."
2944 (article-strip-leading-blank-lines)
2945 (article-remove-trailing-blank-lines)
2946 (article-strip-multiple-blank-lines))
2948 (defun article-strip-all-blank-lines ()
2949 "Strip all blank lines."
2952 (let ((inhibit-point-motion-hooks t)
2953 (inhibit-read-only t))
2955 (while (re-search-forward "^[ \t]*\n" nil t)
2956 (replace-match "" t t)))))
2958 (defun gnus-article-narrow-to-signature ()
2959 "Narrow to the signature; return t if a signature is found, else nil."
2960 (let ((inhibit-point-motion-hooks t))
2961 (when (gnus-article-search-signature)
2963 ;; Check whether we have some limits to what we consider
2964 ;; to be a signature.
2965 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2966 (list gnus-signature-limit)))
2968 (while (setq limit (pop limits))
2969 (if (or (and (integerp limit)
2970 (< (- (point-max) (point)) limit))
2972 (< (count-lines (point) (point-max)) limit))
2973 (and (functionp limit)
2975 (and (stringp limit)
2976 (not (re-search-forward limit nil t))))
2977 () ; This limit did not succeed.
2981 (narrow-to-region (point) (point-max))
2984 (defun gnus-article-search-signature ()
2985 "Search the current buffer for the signature separator.
2986 Put point at the beginning of the signature separator."
2987 (let ((cur (point)))
2988 (goto-char (point-max))
2989 (if (if (stringp gnus-signature-separator)
2990 (re-search-backward gnus-signature-separator nil t)
2991 (let ((seps gnus-signature-separator))
2993 (not (re-search-backward (car seps) nil t)))
3000 (defun gnus-article-hidden-arg ()
3001 "Return the current prefix arg as a number, or 0 if no prefix."
3002 (list (if current-prefix-arg
3003 (prefix-numeric-value current-prefix-arg)
3006 (defun gnus-article-check-hidden-text (type arg)
3007 "Return nil if hiding is necessary.
3008 Arg can be nil or a number. nil and positive means hide, negative
3009 means show, 0 means toggle."
3012 (let ((hide (gnus-article-hidden-text-p type)))
3018 (gnus-article-show-hidden-text type)
3021 (if (eq hide 'hidden)
3023 (gnus-article-show-hidden-text type)
3027 (defun gnus-article-hidden-text-p (type)
3028 "Say whether the current buffer contains hidden text of type TYPE."
3029 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3031 (not (get-text-property pos 'invisible))
3032 (not (get-text-property pos 'dummy-invisible)))
3034 (text-property-any (1+ pos) (point-max) 'article-type type)))
3039 (defun gnus-article-show-hidden-text (type &optional dummy)
3040 "Show all hidden text of type TYPE.
3041 Originally it is hide instead of DUMMY."
3042 (let ((inhibit-read-only t)
3043 (inhibit-point-motion-hooks t))
3044 (gnus-remove-text-properties-when
3046 (point-min) (point-max)
3047 (cons 'article-type (cons type
3048 gnus-hidden-properties)))
3049 (gnus-delete-wash-type type)))
3051 (defconst article-time-units
3052 `((year . ,(* 365.25 24 60 60))
3053 (week . ,(* 7 24 60 60))
3054 (day . ,(* 24 60 60))
3058 "Mapping from time units to seconds.")
3060 (defun gnus-article-forward-header ()
3061 "Move point to the start of the next header.
3062 If the current header is a continuation header, this can be several
3067 (if (looking-at "[ \t]+[^ \t]")
3071 (defun article-date-ut (&optional type highlight)
3072 "Convert DATE date to universal time in the current article.
3073 If TYPE is `local', convert to local time; if it is `lapsed', output
3074 how much time has lapsed since DATE. For `lapsed', the value of
3075 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3076 should replace the \"Date:\" one, or should be added below it."
3077 (interactive (list 'ut t))
3078 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3079 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3083 (article-lapsed-timer
3087 (case-fold-search t)
3088 (inhibit-read-only t)
3089 (inhibit-point-motion-hooks t)
3090 pos date bface eface)
3094 (goto-char (point-min))
3095 (while (or (setq date (get-text-property (setq pos (point))
3097 (when (setq pos (next-single-property-change
3098 (point) 'original-date))
3099 (setq date (get-text-property pos 'original-date))
3101 (narrow-to-region pos (or (text-property-any pos (point-max)
3104 (goto-char (point-min))
3105 (when (re-search-forward tdate-regexp nil t)
3106 (setq bface (get-text-property (point-at-bol) 'face)
3107 eface (get-text-property (1- (point-at-eol)) 'face)))
3108 (goto-char (point-min))
3110 ;; Delete any old Date headers.
3111 (while (re-search-forward date-regexp nil t)
3113 (delete-region (point-at-bol) (progn
3114 (gnus-article-forward-header)
3116 (delete-region (point-at-bol) (progn
3117 (gnus-article-forward-header)
3120 (setq pos (point))))
3121 (when (and (not pos)
3122 (re-search-forward tdate-regexp nil t))
3124 (gnus-goto-char pos)
3125 (insert (article-make-date-line date (or type 'ut)))
3131 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3132 (put-text-property (match-beginning 1) (1+ (match-end 1))
3134 (put-text-property (match-beginning 2) (match-end 2)
3136 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3137 (goto-char (point-max))
3140 (defun article-make-date-line (date type)
3141 "Return a DATE line of TYPE."
3142 (unless (memq type '(local ut original user iso8601 lapsed english))
3143 (error "Unknown conversion type: %s" type))
3145 (let ((time (date-to-time date)))
3147 ;; Convert to the local timezone.
3149 (concat "Date: " (message-make-date time)))
3150 ;; Convert to Universal Time.
3155 (let* ((e (parse-time-string date))
3156 (tm (apply 'encode-time e))
3158 (ls (- (cadr tm) (car (current-time-zone time)))))
3159 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3160 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3164 ;; Get the original date from the article.
3165 ((eq type 'original)
3166 (concat "Date: " (if (string-match "\n+$" date)
3167 (substring date 0 (match-beginning 0))
3169 ;; Let the user define the format.
3171 (let ((format (or (condition-case nil
3172 (with-current-buffer gnus-summary-buffer
3173 gnus-article-time-format)
3175 gnus-article-time-format)))
3176 (if (functionp format)
3177 (funcall format time)
3178 (concat "Date: " (format-time-string format time)))))
3181 (let ((tz (car (current-time-zone time))))
3184 (format-time-string "%Y%m%dT%H%M%S" time)
3185 (format "%s%02d%02d"
3186 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3187 (/ (% (abs tz) 3600) 60)))))
3188 ;; Do an X-Sent lapsed format.
3190 ;; If the date is seriously mangled, the timezone functions are
3191 ;; liable to bug out, so we ignore all errors.
3192 (let* ((now (current-time))
3193 (real-time (subtract-time now time))
3194 (real-sec (and real-time
3195 (+ (* (float (car real-time)) 65536)
3197 (sec (and real-time (abs real-sec)))
3207 ;; This is a bit convoluted, but basically we go
3208 ;; through the time units for years, weeks, etc,
3209 ;; and divide things to see whether that results
3210 ;; in positive answers.
3213 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3214 ;; The (remaining) seconds are too few to
3215 ;; be divided into this time unit.
3217 ;; It's big enough, so we output it.
3218 (setq sec (- sec (* num (cdr unit))))
3220 (concat (if prev ", " "") (int-to-string
3222 " " (symbol-name (car unit))
3223 (if (> num 1) "s" ""))
3225 article-time-units "")
3226 ;; If dates are odd, then it might appear like the
3227 ;; article was sent in the future.
3230 " in the future"))))))
3231 ;; Display the date in proper English
3233 (let ((dtime (decode-time time)))
3236 (number-to-string (nth 3 dtime))
3237 (let ((digit (% (nth 3 dtime) 10)))
3239 ((memq (nth 3 dtime) '(11 12 13)) "th")
3245 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3247 (number-to-string (nth 5 dtime))
3249 (format "%02d" (nth 2 dtime))
3251 (format "%02d" (nth 1 dtime)))))))
3253 (format "Date: %s (from Gnus)" date))))
3255 (defun article-date-local (&optional highlight)
3256 "Convert the current article date to the local timezone."
3257 (interactive (list t))
3258 (article-date-ut 'local highlight))
3260 (defun article-date-english (&optional highlight)
3261 "Convert the current article date to something that is proper English."
3262 (interactive (list t))
3263 (article-date-ut 'english highlight))
3265 (defun article-date-original (&optional highlight)
3266 "Convert the current article date to what it was originally.
3267 This is only useful if you have used some other date conversion
3268 function and want to see what the date was before converting."
3269 (interactive (list t))
3270 (article-date-ut 'original highlight))
3272 (defun article-date-lapsed (&optional highlight)
3273 "Convert the current article date to time lapsed since it was sent."
3274 (interactive (list t))
3275 (article-date-ut 'lapsed highlight))
3277 (defun article-update-date-lapsed ()
3278 "Function to be run from a timer to update the lapsed time line."
3280 (let (deactivate-mark)
3285 (set-buffer (window-buffer w))
3286 (when (eq major-mode 'gnus-article-mode)
3287 (let ((mark (point-marker)))
3288 (goto-char (point-min))
3289 (when (re-search-forward "^X-Sent:" nil t)
3290 (article-date-lapsed t))
3291 (goto-char (marker-position mark))
3292 (move-marker mark nil))))
3295 (defun gnus-start-date-timer (&optional n)
3296 "Start a timer to update the X-Sent header in the article buffers.
3297 The numerical prefix says how frequently (in seconds) the function
3302 (gnus-stop-date-timer)
3303 (setq article-lapsed-timer
3304 (run-at-time 1 n 'article-update-date-lapsed)))
3306 (defun gnus-stop-date-timer ()
3307 "Stop the X-Sent timer."
3309 (when article-lapsed-timer
3310 (nnheader-cancel-timer article-lapsed-timer)
3311 (setq article-lapsed-timer nil)))
3313 (defun article-date-user (&optional highlight)
3314 "Convert the current article date to the user-defined format.
3315 This format is defined by the `gnus-article-time-format' variable."
3316 (interactive (list t))
3317 (article-date-ut 'user highlight))
3319 (defun article-date-iso8601 (&optional highlight)
3320 "Convert the current article date to ISO8601."
3321 (interactive (list t))
3322 (article-date-ut 'iso8601 highlight))
3324 (defmacro gnus-article-save-original-date (&rest forms)
3325 "Save the original date as a text property and evaluate FORMS."
3326 `(let* ((case-fold-search t)
3328 (goto-char (point-min))
3329 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3332 (date (when (and start
3333 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3335 (buffer-substring-no-properties start
3336 (match-beginning 0)))))
3337 (goto-char (point-max))
3338 (skip-chars-backward "\n")
3339 (put-text-property (point-min) (point) 'original-date date)
3341 (goto-char (point-max))
3342 (skip-chars-backward "\n")
3343 (put-text-property (point-min) (point) 'original-date date)))
3345 ;; (defun article-show-all ()
3346 ;; "Show all hidden text in the article buffer."
3349 ;; (let ((inhibit-read-only t))
3350 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3352 (defun article-remove-leading-whitespace ()
3353 "Remove excessive whitespace from all headers."
3357 (let ((inhibit-read-only t))
3358 (article-narrow-to-head)
3359 (goto-char (point-min))
3360 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3361 (delete-region (match-beginning 1) (match-end 1)))))))
3363 (defun article-emphasize (&optional arg)
3364 "Emphasize text according to `gnus-emphasis-alist'."
3365 (interactive (gnus-article-hidden-arg))
3366 (unless (gnus-article-check-hidden-text 'emphasis arg)
3370 (with-current-buffer gnus-summary-buffer
3371 gnus-article-emphasis-alist)
3373 gnus-emphasis-alist))
3374 (inhibit-read-only t)
3375 (props (append '(article-type emphasis)
3376 gnus-hidden-properties))
3377 regexp elem beg invisible visible face)
3380 (while (setq elem (pop alist))
3382 (setq regexp (car elem)
3383 invisible (nth 1 elem)
3384 visible (nth 2 elem)
3386 (while (re-search-forward regexp nil t)
3387 (when (and (match-beginning visible) (match-beginning invisible))
3388 (gnus-article-hide-text
3389 (match-beginning invisible) (match-end invisible) props)
3390 (gnus-article-unhide-text-type
3391 (match-beginning visible) (match-end visible) 'emphasis)
3392 (gnus-put-overlay-excluding-newlines
3393 (match-beginning visible) (match-end visible) 'face face)
3394 (gnus-add-wash-type 'emphasis)
3395 (goto-char (match-end invisible)))))))))
3397 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3398 "Setup newsgroup emphasis alist."
3399 (unless gnus-article-emphasis-alist
3400 (let ((name (and gnus-newsgroup-name
3401 (gnus-group-real-name gnus-newsgroup-name))))
3402 (make-local-variable 'gnus-article-emphasis-alist)
3403 (setq gnus-article-emphasis-alist
3405 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3406 (while (setq elem (pop alist))
3407 (when (and name (string-match (car elem) name))
3409 highlight (copy-sequence (cdr elem)))))
3411 (copy-sequence highlight-words)
3412 (if gnus-newsgroup-name
3413 (copy-sequence (gnus-group-find-parameter
3414 gnus-newsgroup-name 'highlight-words t)))
3415 gnus-emphasis-alist)))))
3418 (defvar gnus-summary-article-menu)
3419 (defvar gnus-summary-post-menu))
3421 ;;; Saving functions.
3423 (defun gnus-article-save (save-buffer file &optional num)
3424 "Save the currently selected article."
3425 (unless gnus-save-all-headers
3426 ;; Remove headers according to `gnus-saved-headers'.
3427 (let ((gnus-visible-headers
3428 (or gnus-saved-headers gnus-visible-headers))
3429 (gnus-article-buffer save-buffer))
3431 (set-buffer save-buffer)
3432 (article-hide-headers 1 t))))
3433 (save-window-excursion
3434 (if (not gnus-default-article-saver)
3435 (error "No default saver is defined")
3436 ;; !!! Magic! The saving functions all save
3437 ;; `gnus-save-article-buffer' (or so they think), but we
3438 ;; bind that variable to our save-buffer.
3439 (set-buffer gnus-article-buffer)
3440 (let* ((gnus-save-article-buffer save-buffer)
3443 ((not gnus-prompt-before-saving) 'default)
3444 ((eq gnus-prompt-before-saving 'always) nil)
3446 (gnus-number-of-articles-to-be-saved
3447 (when (eq gnus-prompt-before-saving t)
3449 (set-buffer gnus-article-current-summary)
3450 (funcall gnus-default-article-saver filename)))))
3452 (defun gnus-read-save-file-name (prompt &optional filename
3453 function group headers variable)
3455 (funcall function group headers (symbol-value variable)))
3460 ((eq filename 'default)
3466 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3469 (if (and gnus-number-of-articles-to-be-saved
3470 (> gnus-number-of-articles-to-be-saved 1))
3471 (format "these %d articles"
3472 gnus-number-of-articles-to-be-saved)
3475 ;; Let the split methods have their say.
3477 ;; No split name was found.
3480 (concat prompt " (default "
3481 (file-name-nondirectory default-name) "): ")
3482 (file-name-directory default-name)
3484 ;; A single group name is returned.
3485 ((stringp split-name)
3487 (funcall function split-name headers
3488 (symbol-value variable)))
3490 (concat prompt " (default "
3491 (file-name-nondirectory default-name) "): ")
3492 (file-name-directory default-name)
3494 ;; A single split name was found
3495 ((= 1 (length split-name))
3496 (let* ((name (expand-file-name
3498 gnus-article-save-directory))
3499 (dir (cond ((file-directory-p name)
3500 (file-name-as-directory name))
3501 ((file-exists-p name) name)
3502 (t gnus-article-save-directory))))
3504 (concat prompt " (default " name "): ")
3506 ;; A list of splits was found.
3508 (setq split-name (nreverse split-name))
3510 (let ((file-name-history
3511 (nconc split-name file-name-history)))
3515 (concat prompt " (`M-p' for defaults): ")
3516 gnus-article-save-directory
3518 gnus-article-save-directory)))
3519 (car (push result file-name-history)))))))
3520 ;; Create the directory.
3521 (gnus-make-directory (file-name-directory file))
3522 ;; If we have read a directory, we append the default file name.
3523 (when (file-directory-p file)
3524 (setq file (expand-file-name (file-name-nondirectory
3526 (file-name-as-directory file))))
3527 ;; Possibly translate some characters.
3528 (nnheader-translate-file-chars file))))))
3529 (gnus-make-directory (file-name-directory result))
3530 (set variable result)))
3532 (defun gnus-article-archive-name (group)
3533 "Return the first instance of an \"Archive-name\" in the current buffer."
3534 (let ((case-fold-search t))
3535 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3536 (nnheader-concat gnus-article-save-directory
3537 (match-string 1)))))
3539 (defun gnus-article-nndoc-name (group)
3540 "If GROUP is an nndoc group, return the name of the parent group."
3541 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3542 (gnus-group-get-parameter group 'save-article-group)))
3544 (defun gnus-summary-save-in-rmail (&optional filename)
3545 "Append this article to Rmail file.
3546 Optional argument FILENAME specifies file name.
3547 Directory to save to is default to `gnus-article-save-directory'."
3548 (setq filename (gnus-read-save-file-name
3549 "Save %s in rmail file" filename
3550 gnus-rmail-save-name gnus-newsgroup-name
3551 gnus-current-headers 'gnus-newsgroup-last-rmail))
3552 (gnus-eval-in-buffer-window gnus-save-article-buffer
3556 (gnus-output-to-rmail filename))))
3559 (defun gnus-summary-save-in-mail (&optional filename)
3560 "Append this article to Unix mail file.
3561 Optional argument FILENAME specifies file name.
3562 Directory to save to is default to `gnus-article-save-directory'."
3563 (setq filename (gnus-read-save-file-name
3564 "Save %s in Unix mail file" filename
3565 gnus-mail-save-name gnus-newsgroup-name
3566 gnus-current-headers 'gnus-newsgroup-last-mail))
3567 (gnus-eval-in-buffer-window gnus-save-article-buffer
3571 (if (and (file-readable-p filename)
3572 (file-regular-p filename)
3573 (mail-file-babyl-p filename))
3574 (rmail-output-to-rmail-file filename t)
3575 (gnus-output-to-mail filename)))))
3578 (defun gnus-summary-save-in-file (&optional filename overwrite)
3579 "Append this article to file.
3580 Optional argument FILENAME specifies file name.
3581 Directory to save to is default to `gnus-article-save-directory'."
3582 (setq filename (gnus-read-save-file-name
3583 "Save %s in file" filename
3584 gnus-file-save-name gnus-newsgroup-name
3585 gnus-current-headers 'gnus-newsgroup-last-file))
3586 (gnus-eval-in-buffer-window gnus-save-article-buffer
3590 (when (and overwrite
3591 (file-exists-p filename))
3592 (delete-file filename))
3593 (gnus-output-to-file filename))))
3596 (defun gnus-summary-write-to-file (&optional filename)
3597 "Write this article to a file, overwriting it if the file exists.
3598 Optional argument FILENAME specifies file name.
3599 The directory to save in defaults to `gnus-article-save-directory'."
3600 (gnus-summary-save-in-file nil t))
3602 (defun gnus-summary-save-body-in-file (&optional filename)
3603 "Append this article body to a file.
3604 Optional argument FILENAME specifies file name.
3605 The directory to save in defaults to `gnus-article-save-directory'."
3606 (setq filename (gnus-read-save-file-name
3607 "Save %s body in file" filename
3608 gnus-file-save-name gnus-newsgroup-name
3609 gnus-current-headers 'gnus-newsgroup-last-file))
3610 (gnus-eval-in-buffer-window gnus-save-article-buffer
3614 (when (article-goto-body)
3615 (narrow-to-region (point) (point-max)))
3616 (gnus-output-to-file filename))))
3619 (defun gnus-summary-save-in-pipe (&optional command)
3620 "Pipe this article to subprocess."
3622 (cond ((and (eq command 'default)
3623 gnus-last-shell-command)
3624 gnus-last-shell-command)
3629 "Shell command on %s: "
3630 (if (and gnus-number-of-articles-to-be-saved
3631 (> gnus-number-of-articles-to-be-saved 1))
3632 (format "these %d articles"
3633 gnus-number-of-articles-to-be-saved)
3635 gnus-last-shell-command))))
3636 (when (string-equal command "")
3637 (if gnus-last-shell-command
3638 (setq command gnus-last-shell-command)
3639 (error "A command is required")))
3640 (gnus-eval-in-buffer-window gnus-article-buffer
3643 (shell-command-on-region (point-min) (point-max) command nil)))
3644 (setq gnus-last-shell-command command))
3646 (defun gnus-summary-pipe-to-muttprint (&optional command)
3647 "Pipe this article to muttprint."
3648 (setq command (read-string
3649 "Print using command: " gnus-summary-muttprint-program
3650 nil gnus-summary-muttprint-program))
3651 (gnus-summary-save-in-pipe command))
3653 ;;; Article file names when saving.
3655 (defun gnus-capitalize-newsgroup (newsgroup)
3656 "Capitalize NEWSGROUP name."
3657 (when (not (zerop (length newsgroup)))
3658 (concat (char-to-string (upcase (aref newsgroup 0)))
3659 (substring newsgroup 1))))
3661 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3662 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3663 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3664 Otherwise, it is like ~/News/news/group/num."
3667 (concat (if (gnus-use-long-file-name 'not-save)
3668 (gnus-capitalize-newsgroup newsgroup)
3669 (gnus-newsgroup-directory-form newsgroup))
3670 "/" (int-to-string (mail-header-number headers)))
3671 gnus-article-save-directory)))
3673 (string-equal (file-name-directory default)
3674 (file-name-directory last-file))
3675 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3677 (or last-file default))))
3679 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3680 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3681 If variable `gnus-use-long-file-name' is non-nil, it is
3682 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3685 (concat (if (gnus-use-long-file-name 'not-save)
3687 (gnus-newsgroup-directory-form newsgroup))
3688 "/" (int-to-string (mail-header-number headers)))
3689 gnus-article-save-directory)))
3691 (string-equal (file-name-directory default)
3692 (file-name-directory last-file))
3693 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3695 (or last-file default))))
3697 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3698 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3699 If variable `gnus-use-long-file-name' is non-nil, it is
3700 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3703 (if (gnus-use-long-file-name 'not-save)
3706 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3708 gnus-article-save-directory)))
3710 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3711 "Generate file name from sender."
3712 (let ((from (mail-header-from headers)))
3714 (if (and from (string-match "\\([^ <]+\\)@" from))
3715 (match-string 1 from)
3717 gnus-article-save-directory)))
3719 (defun article-verify-x-pgp-sig ()
3722 (if (gnus-buffer-live-p gnus-original-article-buffer)
3723 (let ((sig (with-current-buffer gnus-original-article-buffer
3724 (gnus-fetch-field "X-PGP-Sig")))
3728 (mml2015-clear-verify-function))
3730 (insert-buffer-substring gnus-original-article-buffer)
3731 (setq items (split-string sig))
3732 (message-narrow-to-head)
3733 (let ((inhibit-point-motion-hooks t)
3734 (case-fold-search t))
3735 ;; Don't verify multiple headers.
3736 (setq headers (mapconcat (lambda (header)
3738 (mail-fetch-field header)
3740 (split-string (nth 1 items) ",") "")))
3741 (delete-region (point-min) (point-max))
3742 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3743 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3748 (if (looking-at "^-")
3751 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3752 (insert "Version: " (car items) "\n\n")
3753 (insert (mapconcat 'identity (cddr items) "\n"))
3754 (insert "\n-----END PGP SIGNATURE-----\n")
3755 (let ((mm-security-handle (list (format "multipart/signed"))))
3756 (mml2015-clean-buffer)
3757 (let ((coding-system-for-write (or gnus-newsgroup-charset
3759 (funcall (mml2015-clear-verify-function)))
3761 (or (mm-handle-multipart-ctl-parameter
3762 mm-security-handle 'gnus-details)
3763 (mm-handle-multipart-ctl-parameter
3764 mm-security-handle 'gnus-info)))))
3766 (let ((inhibit-read-only t) bface eface)
3768 (message-narrow-to-head)
3769 (goto-char (point-max))
3771 (setq bface (get-text-property (point-at-bol) 'face)
3772 eface (get-text-property (1- (point-at-eol)) 'face))
3773 (message-remove-header "X-Gnus-PGP-Verify")
3774 (if (re-search-forward "^X-PGP-Sig:" nil t)
3776 (goto-char (point-max)))
3777 (narrow-to-region (point) (point))
3778 (insert "X-Gnus-PGP-Verify: " info "\n")
3779 (goto-char (point-min))
3782 (if (not (looking-at "^[ \t]"))
3786 (goto-char (point-min))
3787 (when (looking-at "\\([^:]+\\): *")
3788 (put-text-property (match-beginning 1) (1+ (match-end 1))
3790 (put-text-property (match-end 0) (point-max)
3791 'face eface)))))))))
3793 (defun article-verify-cancel-lock ()
3794 "Verify Cancel-Lock header."
3796 (if (gnus-buffer-live-p gnus-original-article-buffer)
3797 (canlock-verify gnus-original-article-buffer)))
3804 (setq afunc (car func)
3807 gfunc (intern (format "gnus-%s" func))))
3809 (when (fboundp afunc)
3810 `(lambda (&optional interactive &rest args)
3811 ,(documentation afunc t)
3812 (interactive (list t))
3814 (set-buffer gnus-article-buffer)
3816 (call-interactively ',afunc)
3817 (apply ',afunc args))))))))
3818 '(article-hide-headers
3819 article-verify-x-pgp-sig
3820 article-verify-cancel-lock
3821 article-hide-boring-headers
3822 article-treat-overstrike
3823 article-treat-ansi-sequences
3824 article-fill-long-lines
3825 article-capitalize-sentences
3827 article-remove-leading-whitespace
3828 article-display-x-face
3829 article-display-face
3830 article-de-quoted-unreadable
3831 article-de-base64-unreadable
3834 article-unsplit-urls
3835 article-hide-list-identifiers
3836 article-strip-banner
3839 article-hide-signature
3840 article-strip-headers-in-body
3841 article-remove-trailing-blank-lines
3842 article-strip-leading-blank-lines
3843 article-strip-multiple-blank-lines
3844 article-strip-leading-space
3845 article-strip-trailing-space
3846 article-strip-blank-lines
3847 article-strip-all-blank-lines
3849 article-date-english
3850 article-date-iso8601
3851 article-date-original
3853 article-decode-mime-words
3854 article-decode-charset
3855 article-decode-encoded-words
3859 article-treat-dumbquotes
3860 article-normalize-headers
3861 ;; (article-show-all . gnus-article-show-all-headers)
3865 ;;; Gnus article mode
3868 (put 'gnus-article-mode 'mode-class 'special)
3870 (set-keymap-parent gnus-article-mode-map widget-keymap)
3872 (gnus-define-keys gnus-article-mode-map
3873 " " gnus-article-goto-next-page
3874 "\177" gnus-article-goto-prev-page
3875 [delete] gnus-article-goto-prev-page
3876 [backspace] gnus-article-goto-prev-page
3877 "\C-c^" gnus-article-refer-article
3878 "h" gnus-article-show-summary
3879 "s" gnus-article-show-summary
3880 "\C-c\C-m" gnus-article-mail
3881 "?" gnus-article-describe-briefly
3882 "e" gnus-summary-edit-article
3883 "<" beginning-of-buffer
3885 "\C-c\C-i" gnus-info-find-node
3887 "R" gnus-article-reply-with-original
3888 "F" gnus-article-followup-with-original
3889 "\C-hk" gnus-article-describe-key
3890 "\C-hc" gnus-article-describe-key-briefly
3892 "\C-d" gnus-article-read-summary-keys
3893 "\M-*" gnus-article-read-summary-keys
3894 "\M-#" gnus-article-read-summary-keys
3895 "\M-^" gnus-article-read-summary-keys
3896 "\M-g" gnus-article-read-summary-keys)
3898 (substitute-key-definition
3899 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3901 (defun gnus-article-make-menu-bar ()
3902 (unless (boundp 'gnus-article-commands-menu)
3903 (gnus-summary-make-menu-bar))
3904 (gnus-turn-off-edit-menu 'article)
3905 (unless (boundp 'gnus-article-article-menu)
3907 gnus-article-article-menu gnus-article-mode-map ""
3909 ["Scroll forwards" gnus-article-goto-next-page t]
3910 ["Scroll backwards" gnus-article-goto-prev-page t]
3911 ["Show summary" gnus-article-show-summary t]
3912 ["Fetch Message-ID at point" gnus-article-refer-article t]
3913 ["Mail to address at point" gnus-article-mail t]
3914 ["Send a bug report" gnus-bug t]))
3917 gnus-article-treatment-menu gnus-article-mode-map ""
3918 ;; Fixme: this should use :active (and maybe :visible).
3920 ["Hide headers" gnus-article-hide-headers t]
3921 ["Hide signature" gnus-article-hide-signature t]
3922 ["Hide citation" gnus-article-hide-citation t]
3923 ["Treat overstrike" gnus-article-treat-overstrike t]
3924 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3925 ["Remove carriage return" gnus-article-remove-cr t]
3926 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3927 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3928 ["Remove base64" gnus-article-de-base64-unreadable t]
3929 ["Treat html" gnus-article-wash-html t]
3930 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3931 ["Decode HZ" gnus-article-decode-HZ t]))
3933 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3935 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3937 (gnus-run-hooks 'gnus-article-menu-hook)))
3939 (defun gnus-article-mode ()
3940 "Major mode for displaying an article.
3942 All normal editing commands are switched off.
3944 The following commands are available in addition to all summary mode
3946 \\<gnus-article-mode-map>
3947 \\[gnus-article-next-page]\t Scroll the article one page forwards
3948 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3949 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3950 \\[gnus-article-show-summary]\t Display the summary buffer
3951 \\[gnus-article-mail]\t Send a reply to the address near point
3952 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3953 \\[gnus-info-find-node]\t Go to the Gnus info node"
3955 (kill-all-local-variables)
3956 (gnus-simplify-mode-line)
3957 (setq mode-name "Article")
3958 (setq major-mode 'gnus-article-mode)
3959 (make-local-variable 'minor-mode-alist)
3960 (use-local-map gnus-article-mode-map)
3961 (when (gnus-visual-p 'article-menu 'menu)
3962 (gnus-article-make-menu-bar)
3963 (when gnus-summary-tool-bar-map
3964 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3965 (gnus-update-format-specifications nil 'article-mode)
3966 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3967 (set (make-local-variable 'gnus-page-broken) nil)
3968 (make-local-variable 'gnus-button-marker-list)
3969 (make-local-variable 'gnus-article-current-summary)
3970 (make-local-variable 'gnus-article-mime-handles)
3971 (make-local-variable 'gnus-article-decoded-p)
3972 (make-local-variable 'gnus-article-mime-handle-alist)
3973 (make-local-variable 'gnus-article-wash-types)
3974 (make-local-variable 'gnus-article-image-alist)
3975 (make-local-variable 'gnus-article-charset)
3976 (make-local-variable 'gnus-article-ignored-charsets)
3977 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3978 (set (make-local-variable 'nobreak-char-display) nil)
3979 (setq cursor-in-non-selected-windows nil)
3980 (gnus-set-default-directory)
3981 (buffer-disable-undo)
3982 (setq buffer-read-only t
3983 show-trailing-whitespace nil)
3984 (set-syntax-table gnus-article-mode-syntax-table)
3985 (mm-enable-multibyte)
3986 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3988 (defun gnus-article-setup-buffer ()
3989 "Initialize the article buffer."
3990 (let* ((name (if gnus-single-article-buffer "*Article*"
3991 (concat "*Article " gnus-newsgroup-name "*")))
3993 (progn (string-match "\\*Article" name)
3994 (concat " *Original Article"
3995 (substring name (match-end 0))))))
3996 (setq gnus-article-buffer name)
3997 (setq gnus-original-article-buffer original)
3998 (setq gnus-article-mime-handle-alist nil)
3999 ;; This might be a variable local to the summary buffer.
4000 (unless gnus-single-article-buffer
4002 (set-buffer gnus-summary-buffer)
4003 (setq gnus-article-buffer name)
4004 (setq gnus-original-article-buffer original)
4005 (gnus-set-global-variables)))
4006 (gnus-article-setup-highlight-words)
4007 ;; Init original article buffer.
4009 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4010 (mm-enable-multibyte)
4011 (setq major-mode 'gnus-original-article-mode)
4012 (make-local-variable 'gnus-original-article))
4013 (if (and (get-buffer name)
4014 (with-current-buffer name
4015 (if gnus-article-edit-mode
4016 (if (y-or-n-p "Article mode edit in progress; discard? ")
4018 (set-buffer-modified-p nil)
4019 (gnus-kill-buffer name)
4022 (error "Action aborted"))
4026 (set (make-local-variable 'gnus-article-edit-mode) nil)
4027 (when gnus-article-mime-handles
4028 (mm-destroy-parts gnus-article-mime-handles)
4029 (setq gnus-article-mime-handles nil))
4030 ;; Set it to nil in article-buffer!
4031 (setq gnus-article-mime-handle-alist nil)
4032 (buffer-disable-undo)
4033 (setq buffer-read-only t)
4034 ;; This list just keeps growing if we don't reset it.
4035 (setq gnus-button-marker-list nil)
4036 (unless (eq major-mode 'gnus-article-mode)
4037 (gnus-article-mode))
4040 (set-buffer (gnus-get-buffer-create name))
4042 (make-local-variable 'gnus-summary-buffer)
4043 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4044 (current-buffer)))))
4046 ;; Set article window start at LINE, where LINE is the number of lines
4047 ;; from the head of the article.
4048 (defun gnus-article-set-window-start (&optional line)
4050 (gnus-get-buffer-window gnus-article-buffer t)
4052 (set-buffer gnus-article-buffer)
4053 (goto-char (point-min))
4056 (gnus-message 6 "Moved to bookmark")
4057 (search-forward "\n\n" nil t)
4061 (defun gnus-article-prepare (article &optional all-headers header)
4062 "Prepare ARTICLE in article mode buffer.
4063 ARTICLE should either be an article number or a Message-ID.
4064 If ARTICLE is an id, HEADER should be the article headers.
4065 If ALL-HEADERS is non-nil, no headers are hidden."
4067 ;; Make sure we start in a summary buffer.
4068 (unless (eq major-mode 'gnus-summary-mode)
4069 (set-buffer gnus-summary-buffer))
4070 (setq gnus-summary-buffer (current-buffer))
4071 (let* ((gnus-article (if header (mail-header-number header) article))
4072 (summary-buffer (current-buffer))
4073 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4074 (group gnus-newsgroup-name)
4077 (gnus-article-setup-buffer)
4078 (set-buffer gnus-article-buffer)
4079 ;; Deactivate active regions.
4080 (when (and (boundp 'transient-mark-mode)
4081 transient-mark-mode)
4082 (setq mark-active nil))
4083 (if (not (setq result (let ((inhibit-read-only t))
4084 (gnus-request-article-this-buffer
4086 ;; There is no such article.
4088 (when (and (numberp article)
4089 (not (memq article gnus-newsgroup-sparse)))
4090 (setq gnus-article-current
4091 (cons gnus-newsgroup-name article))
4092 (set-buffer gnus-summary-buffer)
4093 (setq gnus-current-article article)
4094 (if (and (memq article gnus-newsgroup-undownloaded)
4095 (not (gnus-online (gnus-find-method-for-group
4096 gnus-newsgroup-name))))
4098 (gnus-summary-set-agent-mark article)
4099 (message "Message marked for downloading"))
4100 (gnus-summary-mark-article article gnus-canceled-mark)
4101 (unless (memq article gnus-newsgroup-sparse)
4102 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4103 (if (or (eq result 'pseudo)
4104 (eq result 'nneething))
4107 (set-buffer summary-buffer)
4108 (push article gnus-newsgroup-history)
4109 (setq gnus-last-article gnus-current-article
4110 gnus-current-article 0
4111 gnus-current-headers nil
4112 gnus-article-current nil)
4113 (if (eq result 'nneething)
4114 (gnus-configure-windows 'summary)
4115 (gnus-configure-windows 'article))
4116 (gnus-set-global-variables))
4117 (let ((gnus-article-mime-handle-alist-1
4118 gnus-article-mime-handle-alist))
4119 (gnus-set-mode-line 'article)))
4120 ;; The result from the `request' was an actual article -
4121 ;; or at least some text that is now displayed in the
4123 (when (and (numberp article)
4124 (not (eq article gnus-current-article)))
4125 ;; Seems like a new article has been selected.
4126 ;; `gnus-current-article' must be an article number.
4128 (set-buffer summary-buffer)
4129 (push article gnus-newsgroup-history)
4130 (setq gnus-last-article gnus-current-article
4131 gnus-current-article article
4132 gnus-current-headers
4133 (gnus-summary-article-header gnus-current-article)
4134 gnus-article-current
4135 (cons gnus-newsgroup-name gnus-current-article))
4136 (unless (vectorp gnus-current-headers)
4137 (setq gnus-current-headers nil))
4138 (gnus-summary-goto-subject gnus-current-article)
4139 (when (gnus-summary-show-thread)
4140 ;; If the summary buffer really was folded, the
4141 ;; previous goto may not actually have gone to
4142 ;; the right article, but the thread root instead.
4144 (gnus-summary-goto-subject gnus-current-article))
4145 (gnus-run-hooks 'gnus-mark-article-hook)
4146 (gnus-set-mode-line 'summary)
4147 (when (gnus-visual-p 'article-highlight 'highlight)
4148 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4149 ;; Set the global newsgroup variables here.
4150 (gnus-set-global-variables)
4151 (setq gnus-have-all-headers
4152 (or all-headers gnus-show-all-headers))))
4154 (gnus-configure-windows 'article))
4155 (when (or (numberp article)
4157 (gnus-article-prepare-display)
4159 (goto-char (point-min))
4160 (when gnus-break-pages
4161 (gnus-narrow-to-page)))
4162 (let ((gnus-article-mime-handle-alist-1
4163 gnus-article-mime-handle-alist))
4164 (gnus-set-mode-line 'article))
4168 (set-window-point (get-buffer-window (current-buffer)) (point))
4169 (gnus-configure-windows 'article)
4173 (defun gnus-article-prepare-display ()
4174 "Make the current buffer look like a nice article."
4175 ;; Hooks for getting information from the article.
4176 ;; This hook must be called before being narrowed.
4177 (let ((gnus-article-buffer (current-buffer))
4179 (inhibit-read-only t))
4180 (unless (eq major-mode 'gnus-article-mode)
4181 (gnus-article-mode))
4182 (setq buffer-read-only nil
4183 gnus-article-wash-types nil
4184 gnus-article-image-alist nil)
4185 (gnus-run-hooks 'gnus-tmp-internal-hook)
4186 (when gnus-display-mime-function
4187 (funcall gnus-display-mime-function))
4188 (gnus-run-hooks 'gnus-article-prepare-hook)))
4191 ;;; Gnus MIME viewing functions
4194 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4195 "Format of the MIME buttons.
4197 Valid specifiers include:
4199 %T MIME type, along with additional info
4200 %n The `name' parameter
4201 %d The description, if any
4202 %l The length of the encoded part
4203 %p The part identifier number
4204 %e Dots if the part isn't displayed
4206 General format specifiers can also be used. See Info node
4207 `(gnus)Formatting Variables'.")
4209 (defvar gnus-mime-button-line-format-alist
4210 '((?t gnus-tmp-type ?s)
4211 (?T gnus-tmp-type-long ?s)
4212 (?n gnus-tmp-name ?s)
4213 (?d gnus-tmp-description ?s)
4215 (?l gnus-tmp-length ?d)
4216 (?e gnus-tmp-dots ?s)))
4218 (defvar gnus-mime-button-commands
4219 '((gnus-article-press-button "\r" "Toggle Display")
4220 (gnus-mime-view-part "v" "View Interactively...")
4221 (gnus-mime-view-part-as-type "t" "View As Type...")
4222 (gnus-mime-view-part-as-charset "C" "View As charset...")
4223 (gnus-mime-save-part "o" "Save...")
4224 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4225 (gnus-mime-replace-part "r" "Replace part")
4226 (gnus-mime-delete-part "d" "Delete part")
4227 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4228 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4229 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4230 (gnus-mime-view-part-externally "e" "View Externally")
4231 (gnus-mime-print-part "p" "Print")
4232 (gnus-mime-pipe-part "|" "Pipe To Command...")
4233 (gnus-mime-action-on-part "." "Take action on the part...")))
4235 (defun gnus-article-mime-part-status ()
4236 (if gnus-article-mime-handle-alist-1
4237 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4239 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4242 (defvar gnus-mime-button-map
4243 (let ((map (make-sparse-keymap)))
4244 (define-key map gnus-mouse-2 'gnus-article-push-button)
4245 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4246 (dolist (c gnus-mime-button-commands)
4247 (define-key map (cadr c) (car c)))
4251 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4253 ,@(mapcar (lambda (c)
4254 (vector (caddr c) (car c) :enable t))
4255 gnus-mime-button-commands)))
4257 (defun gnus-mime-button-menu (event prefix)
4258 "Construct a context-sensitive menu of MIME commands."
4259 (interactive "e\nP")
4260 (save-window-excursion
4261 (let ((pos (event-start event)))
4262 (select-window (posn-window pos))
4263 (goto-char (posn-point pos))
4264 (gnus-article-check-buffer)
4265 (popup-menu gnus-mime-button-menu nil prefix))))
4267 (defun gnus-mime-view-all-parts (&optional handles)
4268 "View all the MIME parts."
4270 (with-current-buffer gnus-article-buffer
4271 (let ((handles (or handles gnus-article-mime-handles))
4272 (mail-parse-charset gnus-newsgroup-charset)
4273 (mail-parse-ignored-charsets
4274 (with-current-buffer gnus-summary-buffer
4275 gnus-newsgroup-ignored-charsets)))
4277 (mm-remove-parts handles)
4278 (goto-char (point-min))
4279 (or (search-forward "\n\n") (goto-char (point-max)))
4280 (let ((inhibit-read-only t))
4281 (delete-region (point) (point-max))
4282 (mm-display-parts handles))))))
4284 (defun gnus-article-jump-to-part (n)
4285 "Jump to MIME part N."
4287 (pop-to-buffer gnus-article-buffer)
4288 ;; FIXME: why is it necessary?
4290 (let ((parts (length gnus-article-mime-handle-alist)))
4293 (read-string ;; Emacs 21 doesn't have `read-number'.
4294 (format "Jump to part (2..%s): " parts)))))
4295 (unless (and (integerp n) (<= n parts) (>= n 1))
4298 (gnus-message 7 "Invalid part `%s', using %s instead."
4301 (gnus-message 9 "Jumping to part %s." n)
4302 (cond ((>= gnus-auto-select-part 1)
4303 (while (and (<= n parts)
4304 (not (gnus-article-goto-part n)))
4306 ((< gnus-auto-select-part 0)
4307 (while (and (>= n 1)
4308 (not (gnus-article-goto-part n)))
4311 (gnus-article-goto-part n)))))
4314 (defsubst gnus-article-edit-part (handles &optional current-id)
4315 "Edit an article in order to delete a mime part.
4316 This function is exclusively used by `gnus-mime-save-part-and-strip'
4317 and `gnus-mime-delete-part', and not provided at run-time normally."
4318 (gnus-article-edit-article
4320 (buffer-disable-undo)
4322 (let ((mail-parse-charset (or gnus-article-charset
4323 ',gnus-newsgroup-charset))
4324 (mail-parse-ignored-charsets
4325 (or gnus-article-ignored-charsets
4326 ',gnus-newsgroup-ignored-charsets))
4327 (mbl mml-buffer-list))
4328 (setq mml-buffer-list nil)
4329 (insert-buffer-substring gnus-original-article-buffer)
4330 (mime-to-mml ',handles)
4331 (setq gnus-article-mime-handles nil)
4332 (let ((mbl1 mml-buffer-list))
4333 (setq mml-buffer-list mbl)
4334 (set (make-local-variable 'mml-buffer-list) mbl1))
4335 (gnus-make-local-hook 'kill-buffer-hook)
4336 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4337 `(lambda (no-highlight)
4338 (let ((mail-parse-charset (or gnus-article-charset
4339 ',gnus-newsgroup-charset))
4340 (message-options message-options)
4341 (message-options-set-recipient)
4342 (mail-parse-ignored-charsets
4343 (or gnus-article-ignored-charsets
4344 ',gnus-newsgroup-ignored-charsets)))
4346 (mml-destroy-buffers)
4347 (remove-hook 'kill-buffer-hook
4348 'mml-destroy-buffers t)
4349 (kill-local-variable 'mml-buffer-list))
4350 (gnus-summary-edit-article-done
4351 ,(or (mail-header-references gnus-current-headers) "")
4352 ,(gnus-group-read-only-p)
4353 ,gnus-summary-buffer no-highlight))
4355 (gnus-article-edit-done)
4356 (gnus-summary-expand-window)
4357 (gnus-summary-show-article)
4358 (when (and current-id (integerp gnus-auto-select-part))
4359 (gnus-article-jump-to-part
4360 (+ current-id gnus-auto-select-part)))))
4362 (defun gnus-mime-replace-part (file)
4363 "Replace MIME part under point with an external body."
4364 ;; Useful if file has already been saved to disk
4368 (read-file-name "Replace MIME part with file: "
4369 (or mm-default-directory default-directory)
4371 (gnus-mime-save-part-and-strip file))
4373 (defun gnus-mime-save-part-and-strip (&optional file)
4374 "Save the MIME part under point then replace it with an external body.
4375 If FILE is given, use it for the external part."
4377 (gnus-article-check-buffer)
4378 (when (gnus-group-read-only-p)
4379 (error "The current group does not support deleting of parts"))
4380 (when (mm-complicated-handles gnus-article-mime-handles)
4382 The current article has a complicated MIME structure, giving up..."))
4383 (let* ((data (get-text-property (point) 'gnus-data))
4384 (id (get-text-property (point) 'gnus-part))
4386 (handles gnus-article-mime-handles))
4389 (and data (mm-save-part data "Delete MIME part and save to: "))))
4391 (with-current-buffer (mm-handle-buffer data)
4393 (insert "Content-Type: " (mm-handle-media-type data))
4394 (mml-insert-parameter-string (cdr (mm-handle-type data))
4396 ;; Add a filename for the sake of saving the part again.
4397 (mml-insert-parameter
4398 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4400 (insert "Content-ID: " (message-make-message-id) "\n")
4401 (insert "Content-Transfer-Encoding: binary\n")
4404 (cdr (mm-make-handle nil
4405 `("message/external-body"
4406 (access-type . "LOCAL-FILE")
4408 ;; (set-buffer gnus-summary-buffer)
4409 (gnus-article-edit-part handles id))))
4411 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4412 ;; parts...>') but with stripping would be nice.
4414 (defun gnus-mime-delete-part ()
4415 "Delete the MIME part under point.
4416 Replace it with some information about the removed part."
4418 (gnus-article-check-buffer)
4419 (when (gnus-group-read-only-p)
4420 (error "The current group does not support deleting of parts"))
4421 (when (mm-complicated-handles gnus-article-mime-handles)
4423 The current article has a complicated MIME structure, giving up..."))
4424 (when (or gnus-expert-user
4425 (gnus-yes-or-no-p "\
4426 Deleting parts may malfunction or destroy the article; continue? "))
4427 (let* ((data (get-text-property (point) 'gnus-data))
4428 (id (get-text-property (point) 'gnus-part))
4429 (handles gnus-article-mime-handles)
4433 (mail-decode-encoded-word-string (or (mm-handle-description data)
4436 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4438 (type (mm-handle-media-type data)))
4440 (error "No MIME part under point"))
4441 (with-current-buffer (mm-handle-buffer data)
4442 (let ((bsize (format "%s" (buffer-size))))
4447 "| The following attachment has been deleted:\n"
4449 "| Type: " type "\n"
4450 "| Filename: " filename "\n"
4451 "| Size (encoded): " bsize " Byte\n"
4452 "| Description: " description "\n"
4455 (cdr (mm-make-handle
4456 nil `("text/plain") nil nil
4458 (format "Deleted attachment (%s bytes)" bsize))))))
4459 ;; (set-buffer gnus-summary-buffer)
4460 (gnus-article-edit-part handles id))))
4462 (defun gnus-mime-save-part ()
4463 "Save the MIME part under point."
4465 (gnus-article-check-buffer)
4466 (let ((data (get-text-property (point) 'gnus-data)))
4468 (mm-save-part data))))
4470 (defun gnus-mime-pipe-part ()
4471 "Pipe the MIME part under point to a process."
4473 (gnus-article-check-buffer)
4474 (let ((data (get-text-property (point) 'gnus-data)))
4476 (mm-pipe-part data))))
4478 (defun gnus-mime-view-part ()
4479 "Interactively choose a viewing method for the MIME part under point."
4481 (gnus-article-check-buffer)
4482 (let ((data (get-text-property (point) 'gnus-data)))
4484 (setq gnus-article-mime-handles
4486 gnus-article-mime-handles (setq data (copy-sequence data))))
4487 (mm-interactively-view-part data))))
4489 (defun gnus-mime-view-part-as-type-internal ()
4490 (gnus-article-check-buffer)
4491 (let* ((handle (get-text-property (point) 'gnus-data))
4493 ;; Content-Type: foo/bar; name=...
4494 (mail-content-type-get (mm-handle-type handle) 'name)
4495 ;; Content-Disposition: attachment; filename=...
4496 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4497 (def-type (and name (mm-default-file-encoding name))))
4498 (and def-type (cons def-type 0))))
4500 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
4501 "Choose a MIME media type, and view the part as such.
4502 If non-nil, PRED is a predicate to use during completion to limit the
4503 available media-types."
4507 (let ((default (gnus-mime-view-part-as-type-internal)))
4509 (format "View as MIME type (default %s): "
4511 (mapcar #'list (mailcap-mime-types))
4514 (gnus-article-check-buffer)
4515 (let ((handle (get-text-property (point) 'gnus-data)))
4517 (when (equal (mm-handle-media-type handle) "message/external-body")
4518 (unless (mm-handle-cache handle)
4519 (mm-extern-cache-contents handle))
4520 (setq handle (mm-handle-cache handle)))
4522 (mm-make-handle (mm-handle-buffer handle)
4523 (cons mime-type (cdr (mm-handle-type handle)))
4524 (mm-handle-encoding handle)
4525 (mm-handle-undisplayer handle)
4526 (mm-handle-disposition handle)
4527 (mm-handle-description handle)
4529 (mm-handle-id handle)))
4530 (setq gnus-article-mime-handles
4531 (mm-merge-handles gnus-article-mime-handles handle))
4532 (gnus-mm-display-part handle))))
4534 (defun gnus-mime-copy-part (&optional handle arg)
4535 "Put the MIME part under point into a new buffer.
4536 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4538 (interactive (list nil current-prefix-arg))
4539 (gnus-article-check-buffer)
4541 (setq handle (get-text-property (point) 'gnus-data)))
4543 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
4545 (mail-content-type-get (mm-handle-disposition handle)
4547 contents dont-decode charset coding-system)
4548 (mm-with-unibyte-buffer
4549 (mm-insert-part handle)
4550 (setq contents (or (condition-case nil
4551 (mm-decompress-buffer filename nil 'sig)
4553 (setq dont-decode t)
4556 (setq filename (cond (filename (file-name-nondirectory filename))
4557 (dont-decode "*raw data*")
4562 (unless (setq charset (mail-content-type-get
4563 (mm-handle-type handle) 'charset))
4564 (unless (setq coding-system (mm-with-unibyte-buffer
4566 (mm-find-buffer-file-coding-system)))
4567 (setq charset gnus-newsgroup-charset))))
4569 (setq charset (or (cdr (assq arg
4570 gnus-summary-show-article-charset-alist))
4571 (mm-read-coding-system "Charset: ")))))
4572 (switch-to-buffer (generate-new-buffer filename))
4573 (if (or coding-system
4575 (setq coding-system (mm-charset-to-coding-system charset))
4576 (not (eq charset 'ascii))))
4578 (mm-enable-multibyte)
4579 (insert (mm-decode-coding-string contents coding-system))
4580 (setq buffer-file-coding-system
4581 (if (boundp 'last-coding-system-used)
4582 (symbol-value 'last-coding-system-used)
4584 (mm-disable-multibyte)
4586 (setq buffer-file-coding-system mm-binary-coding-system))
4587 ;; We do it this way to make `normal-mode' set the appropriate mode.
4590 (setq buffer-file-name (expand-file-name filename))
4592 (setq buffer-file-name nil))
4593 (goto-char (point-min)))))
4595 (defun gnus-mime-print-part (&optional handle filename)
4596 "Print the MIME part under point."
4597 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4598 (gnus-article-check-buffer)
4599 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4600 (contents (and handle (mm-get-part handle)))
4601 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4602 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4607 (mm-save-part-to-file handle file)
4608 (call-process shell-file-name nil
4609 (generate-new-buffer " *mm*")
4611 shell-command-switch
4613 printer file (mm-handle-type handle))))
4617 (gnus-print-buffer))
4618 (ps-despool filename)))))
4620 (defun gnus-mime-inline-part (&optional handle arg)
4621 "Insert the MIME part under point into the current buffer.
4622 Compressed files like .gz and .bz2 are decompressed."
4623 (interactive (list nil current-prefix-arg))
4624 (gnus-article-check-buffer)
4626 (setq handle (get-text-property (point) 'gnus-data)))
4629 (inhibit-read-only t)
4630 contents charset coding-system)
4631 (if (and (not arg) (mm-handle-undisplayer handle))
4632 (mm-remove-part handle)
4633 (mm-with-unibyte-buffer
4634 (mm-insert-part handle)
4636 (or (mm-decompress-buffer
4637 (or (mail-content-type-get (mm-handle-type handle)
4639 (mail-content-type-get (mm-handle-disposition handle)
4645 (unless (setq charset (mail-content-type-get
4646 (mm-handle-type handle) 'charset))
4647 (unless (setq coding-system
4648 (mm-with-unibyte-buffer
4650 (mm-find-buffer-file-coding-system)))
4651 (setq charset gnus-newsgroup-charset))))
4653 (if (mm-handle-undisplayer handle)
4654 (mm-remove-part handle))
4657 gnus-summary-show-article-charset-alist))
4658 (mm-read-coding-system "Charset: "))))
4660 (if (mm-handle-undisplayer handle)
4661 (mm-remove-part handle))))
4665 (if (or coding-system
4668 (mm-charset-to-coding-system charset))
4669 (not (eq coding-system 'ascii))))
4670 (mm-decode-coding-string contents coding-system)
4671 (mm-string-to-multibyte contents)))
4674 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4675 "Insert the MIME part under point into the current buffer using the
4677 (interactive (list nil current-prefix-arg))
4678 (gnus-article-check-buffer)
4679 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
4680 (fun (get-text-property (point) 'gnus-callback))
4681 (gnus-newsgroup-ignored-charsets 'gnus-all)
4682 gnus-newsgroup-charset type charset)
4684 (if (mm-handle-undisplayer handle)
4685 (mm-remove-part handle))
4687 (setq gnus-newsgroup-charset
4688 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
4689 (mm-read-coding-system "Charset: ")))
4690 ;; Strip the charset parameter from `handle'.
4691 (setq type (mm-handle-type
4692 (if (equal (mm-handle-media-type handle)
4693 "message/external-body")
4695 (unless (mm-handle-cache handle)
4696 (mm-extern-cache-contents handle))
4697 (mm-handle-cache handle))
4699 charset (assq 'charset (cdr type)))
4701 (funcall fun handle)))))
4703 (defun gnus-mime-view-part-externally (&optional handle)
4704 "View the MIME part under point with an external viewer."
4706 (gnus-article-check-buffer)
4707 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4708 (mm-user-display-methods nil)
4709 (mm-inlined-types nil)
4710 (mail-parse-charset gnus-newsgroup-charset)
4711 (mail-parse-ignored-charsets
4712 (with-current-buffer gnus-summary-buffer
4713 gnus-newsgroup-ignored-charsets))
4714 (type (mm-handle-media-type handle))
4715 (method (mailcap-mime-info type))
4716 (mm-enable-external t))
4717 (if (not (stringp method))
4718 (gnus-mime-view-part-as-type
4719 nil (lambda (type) (stringp (mailcap-mime-info type))))
4721 (if (mm-handle-undisplayer handle)
4722 (mm-remove-part handle)
4723 (mm-display-part handle))))))
4725 (defun gnus-mime-view-part-internally (&optional handle)
4726 "View the MIME part under point with an internal viewer.
4727 If no internal viewer is available, use an external viewer."
4729 (gnus-article-check-buffer)
4730 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4731 (mm-inlined-types '(".*"))
4732 (mm-inline-large-images t)
4733 (mail-parse-charset gnus-newsgroup-charset)
4734 (mail-parse-ignored-charsets
4735 (with-current-buffer gnus-summary-buffer
4736 gnus-newsgroup-ignored-charsets))
4737 (inhibit-read-only t))
4738 (if (not (mm-inlinable-p handle))
4739 (gnus-mime-view-part-as-type
4740 nil (lambda (type) (mm-inlinable-p handle type)))
4742 (if (mm-handle-undisplayer handle)
4743 (mm-remove-part handle)
4744 (mm-display-part handle))))))
4746 (defun gnus-mime-action-on-part (&optional action)
4747 "Do something with the MIME attachment at \(point\)."
4749 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4750 (gnus-article-check-buffer)
4751 (let ((action-pair (assoc action gnus-mime-action-alist)))
4753 (funcall (cdr action-pair)))))
4755 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
4756 "Call FUNCTION on MIME part N.
4757 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
4758 If INTERACTIVE, call FUNCTION interactivly."
4760 ;; Check whether the article is displayed.
4761 (unless (and (gnus-buffer-live-p gnus-article-buffer)
4762 (setq window (get-buffer-window gnus-article-buffer t))
4763 (frame-visible-p (setq frame (window-frame window))))
4764 (error "No article is displayed"))
4765 (with-current-buffer gnus-article-buffer
4766 ;; Check whether the article displays the right contents.
4767 (unless (with-current-buffer gnus-summary-buffer
4768 (eq gnus-current-article (gnus-summary-article-number)))
4769 (error "You should select the right article first"))
4770 ;; Check whether the specified part exists.
4771 (when (> n (length gnus-article-mime-handle-alist))
4772 (error "No such part")))
4775 ;; To select the window is needed so that the cursor
4776 ;; might be visible on the MIME button.
4777 (select-window (prog1
4779 (setq window (selected-window))
4780 ;; Article may be displayed in the other frame.
4781 (gnus-select-frame-set-input-focus
4784 (setq frame (selected-frame))))))
4785 (when (gnus-article-goto-part n)
4786 ;; We point the cursor and the arrow at the MIME button
4787 ;; when the `function' prompt the user for something.
4788 (let ((cursor-in-non-selected-windows t)
4789 (overlay-arrow-string "=>")
4790 (overlay-arrow-position (point-marker)))
4793 ((and no-handle interactive)
4794 (call-interactively function))
4800 (cdr (assq n gnus-article-mime-handle-alist))))
4803 (cdr (assq n gnus-article-mime-handle-alist)))))
4804 (set-marker overlay-arrow-position nil)
4805 (unless gnus-auto-select-part
4806 (gnus-select-frame-set-input-focus frame)
4807 (select-window window))))
4809 (if gnus-inhibit-mime-unbuttonizing
4810 ;; This is the default though the program shouldn't reach here.
4811 (error "No such part")
4812 ;; The part which doesn't have the MIME button is selected.
4813 ;; So, we display all the buttons and redo it.
4814 (let ((gnus-inhibit-mime-unbuttonizing t))
4815 (gnus-summary-show-article)
4816 (gnus-article-part-wrapper n function no-handle))))))
4818 (defun gnus-article-pipe-part (n)
4819 "Pipe MIME part N, which is the numerical prefix."
4821 (gnus-article-part-wrapper n 'mm-pipe-part))
4823 (defun gnus-article-save-part (n)
4824 "Save MIME part N, which is the numerical prefix."
4826 (gnus-article-part-wrapper n 'mm-save-part))
4828 (defun gnus-article-interactively-view-part (n)
4829 "View MIME part N interactively, which is the numerical prefix."
4831 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4833 (defun gnus-article-copy-part (n)
4834 "Copy MIME part N, which is the numerical prefix."
4836 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4838 (defun gnus-article-view-part-as-charset (n)
4839 "View MIME part N using a specified charset.
4840 N is the numerical prefix."
4842 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4844 (defun gnus-article-view-part-externally (n)
4845 "View MIME part N externally, which is the numerical prefix."
4847 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4849 (defun gnus-article-inline-part (n)
4850 "Inline MIME part N, which is the numerical prefix."
4852 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4854 (defun gnus-article-save-part-and-strip (n)
4855 "Save MIME part N and replace it with an external body.
4856 N is the numerical prefix."
4858 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
4860 (defun gnus-article-replace-part (n)
4861 "Replace MIME part N with an external body.
4862 N is the numerical prefix."
4864 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
4866 (defun gnus-article-delete-part (n)
4867 "Delete MIME part N and add some information about the removed part.
4868 N is the numerical prefix."
4870 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
4872 (defun gnus-article-view-part-as-type (n)
4873 "Choose a MIME media type, and view part N as such.
4874 N is the numerical prefix."
4876 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
4878 (defun gnus-article-mime-match-handle-first (condition)
4881 (dolist (ihandle gnus-article-mime-handle-alist)
4883 ((functionp condition)
4884 (funcall condition (cdr ihandle)))
4885 ((eq condition 'undisplayed)
4886 (not (or (mm-handle-undisplayer (cdr ihandle))
4887 (equal (mm-handle-media-type (cdr ihandle))
4888 "multipart/alternative"))))
4889 ((eq condition 'undisplayed-alternative)
4890 (not (mm-handle-undisplayer (cdr ihandle))))
4892 (gnus-article-goto-part (car ihandle))
4893 (or (not n) (< (car ihandle) n)))
4894 (setq n (car ihandle))))
4898 (defun gnus-article-view-part (&optional n)
4899 "View MIME part N, which is the numerical prefix."
4901 (with-current-buffer gnus-article-buffer
4902 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4903 gnus-article-mime-match-handle-function)))
4904 (when (> n (length gnus-article-mime-handle-alist))
4905 (error "No such part"))
4906 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4907 (when (gnus-article-goto-part n)
4908 (if (equal (car handle) "multipart/alternative")
4909 (gnus-article-press-button)
4910 (when (eq (gnus-mm-display-part handle) 'internal)
4911 (gnus-set-window-start)))))))
4913 (defsubst gnus-article-mime-total-parts ()
4914 (if (bufferp (car gnus-article-mime-handles))
4916 (1- (length gnus-article-mime-handles))))
4918 (defun gnus-mm-display-part (handle)
4919 "Display HANDLE and fix MIME button."
4920 (let ((id (get-text-property (point) 'gnus-part))
4922 (inhibit-read-only t))
4925 (let ((window (selected-window))
4926 (mail-parse-charset gnus-newsgroup-charset)
4927 (mail-parse-ignored-charsets
4928 (if (gnus-buffer-live-p gnus-summary-buffer)
4929 (with-current-buffer gnus-summary-buffer
4930 gnus-newsgroup-ignored-charsets)
4934 (let ((win (gnus-get-buffer-window (current-buffer) t))
4937 (select-window win))
4940 (if (mm-handle-displayed-p handle)
4941 ;; This will remove the part.
4942 (mm-display-part handle)
4944 (narrow-to-region (point)
4945 (if (eobp) (point) (1+ (point))))
4946 (mm-display-part handle)
4947 ;; We narrow to the part itself and
4948 ;; then call the treatment functions.
4949 (goto-char (point-min))
4951 (narrow-to-region (point) (point-max))
4954 (gnus-article-mime-total-parts)
4955 (mm-handle-media-type handle)))))
4956 (if (window-live-p window)
4957 (select-window window)))))
4960 (gnus-insert-mime-button
4961 handle id (list (mm-handle-displayed-p handle)))
4962 (goto-char point))))
4964 (defun gnus-article-goto-part (n)
4965 "Go to MIME part N."
4966 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4968 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4969 (let ((gnus-tmp-name
4970 (or (mail-content-type-get (mm-handle-type handle) 'name)
4971 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4972 (mail-content-type-get (mm-handle-type handle) 'url)
4974 (gnus-tmp-type (mm-handle-media-type handle))
4975 (gnus-tmp-description
4976 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4979 (if (if displayed (car displayed)
4980 (mm-handle-displayed-p handle))
4982 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4984 gnus-tmp-type-long b e)
4985 (when (string-match ".*/" gnus-tmp-name)
4986 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4987 (setq gnus-tmp-type-long (concat gnus-tmp-type
4988 (and (not (equal gnus-tmp-name ""))
4989 (concat "; " gnus-tmp-name))))
4990 (unless (equal gnus-tmp-description "")
4991 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4996 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4997 `(keymap ,gnus-mime-button-map
4998 gnus-callback gnus-mm-display-part
4999 gnus-part ,gnus-tmp-id
5000 article-type annotation
5003 ;; Exclude a newline.
5006 (widget-convert-button
5009 :action 'gnus-widget-press-button
5010 :button-keymap gnus-mime-button-map
5012 (lambda (widget/window &optional overlay pos)
5013 ;; Needed to properly clear the message due to a bug in
5014 ;; wid-edit (XEmacs only).
5015 (if (boundp 'help-echo-owns-message)
5016 (setq help-echo-owns-message t))
5018 "%S: %s the MIME part; %S: more options"
5019 (aref gnus-mouse-2 0)
5020 ;; XEmacs will get a single widget arg; Emacs 21 will get
5021 ;; window, overlay, position.
5022 (if (mm-handle-displayed-p
5024 (with-current-buffer (gnus-overlay-buffer overlay)
5025 (widget-get (widget-at (gnus-overlay-start overlay))
5027 (widget-get widget/window :mime-handle)))
5029 (aref gnus-down-mouse-3 0))))))
5031 (defun gnus-widget-press-button (elems el)
5032 (goto-char (widget-get elems :from))
5033 (gnus-article-press-button))
5035 (defvar gnus-displaying-mime nil)
5037 (defun gnus-display-mime (&optional ihandles)
5038 "Display the MIME parts."
5040 (save-selected-window
5041 (let ((window (get-buffer-window gnus-article-buffer))
5044 (select-window window)
5045 ;; We have to do this since selecting the window
5046 ;; may change the point. So we set the window point.
5047 (set-window-point window point)))
5048 (let ((handles ihandles)
5049 (inhibit-read-only t)
5052 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5053 (when gnus-article-emulate-mime
5054 (mm-uu-dissect-text-parts handles)))
5055 (gnus-article-emulate-mime
5056 (setq handles (mm-uu-dissect))))
5057 (when (and (not ihandles)
5058 (not gnus-displaying-mime))
5059 ;; Top-level call; we clean up.
5060 (when gnus-article-mime-handles
5061 (mm-destroy-parts gnus-article-mime-handles)
5062 (setq gnus-article-mime-handle-alist nil));; A trick.
5063 (setq gnus-article-mime-handles handles)
5064 ;; We allow users to glean info from the handles.
5065 (when gnus-article-mime-part-function
5066 (gnus-mime-part-function handles)))
5068 (or (not (stringp (car handles)))
5071 (when (and (not ihandles)
5072 (not gnus-displaying-mime))
5073 ;; Clean up for mime parts.
5075 (delete-region (point) (point-max)))
5076 (let ((gnus-displaying-mime t))
5077 (gnus-mime-display-part handles)))
5080 (narrow-to-region (point) (point-max))
5081 (gnus-treat-article nil 1 1)
5084 ;; Highlight the headers.
5088 (narrow-to-region (point-min) (point))
5089 (gnus-article-save-original-date
5090 (gnus-treat-article 'head)))))))))
5092 (defcustom gnus-mime-display-multipart-as-mixed nil
5093 "Display \"multipart\" parts as \"multipart/mixed\".
5095 If t, it overrides nil values of
5096 `gnus-mime-display-multipart-alternative-as-mixed' and
5097 `gnus-mime-display-multipart-related-as-mixed'."
5098 :group 'gnus-article-mime
5101 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5102 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5104 :group 'gnus-article-mime
5107 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5108 "Display \"multipart/related\" parts as \"multipart/mixed\".
5110 If displaying \"text/html\" is discouraged \(see
5111 `mm-discouraged-alternatives'\) images or other material inside a
5112 \"multipart/related\" part might be overlooked when this variable is nil."
5114 :group 'gnus-article-mime
5117 (defun gnus-mime-display-part (handle)
5119 ;; Maybe a broken MIME message.
5122 ((not (stringp (car handle)))
5123 (gnus-mime-display-single handle))
5124 ;; User-defined multipart
5125 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5126 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5128 ;; multipart/alternative
5129 ((and (equal (car handle) "multipart/alternative")
5130 (not (or gnus-mime-display-multipart-as-mixed
5131 gnus-mime-display-multipart-alternative-as-mixed)))
5132 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5133 (push (cons id handle) gnus-article-mime-handle-alist)
5134 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5135 ;; multipart/related
5136 ((and (equal (car handle) "multipart/related")
5137 (not (or gnus-mime-display-multipart-as-mixed
5138 gnus-mime-display-multipart-related-as-mixed)))
5139 ;;;!!!We should find the start part, but we just default
5140 ;;;!!!to the first part.
5141 ;;(gnus-mime-display-part (cadr handle))
5142 ;;;!!! Most multipart/related is an HTML message plus images.
5143 ;;;!!! Unfortunately we are unable to let W3 display those
5144 ;;;!!! included images, so we just display it as a mixed multipart.
5145 ;;(gnus-mime-display-mixed (cdr handle))
5146 ;;;!!! No, w3 can display everything just fine.
5147 (gnus-mime-display-part (cadr handle)))
5148 ((equal (car handle) "multipart/signed")
5149 (gnus-add-wash-type 'signed)
5150 (gnus-mime-display-security handle))
5151 ((equal (car handle) "multipart/encrypted")
5152 (gnus-add-wash-type 'encrypted)
5153 (gnus-mime-display-security handle))
5154 ;; Other multiparts are handled like multipart/mixed.
5156 (gnus-mime-display-mixed (cdr handle)))))
5158 (defun gnus-mime-part-function (handles)
5159 (if (stringp (car handles))
5160 (mapcar 'gnus-mime-part-function (cdr handles))
5161 (funcall gnus-article-mime-part-function handles)))
5163 (defun gnus-mime-display-mixed (handles)
5164 (mapcar 'gnus-mime-display-part handles))
5166 (defun gnus-mime-display-single (handle)
5167 (let ((type (mm-handle-media-type handle))
5168 (ignored gnus-ignored-mime-types)
5175 (when (string-match (pop ignored) type)
5176 (throw 'ignored nil)))
5177 (if (and (setq not-attachment
5178 (and (not (mm-inline-override-p handle))
5179 (or (not (mm-handle-disposition handle))
5180 (equal (car (mm-handle-disposition handle))
5182 (mm-attachment-override-p handle))))
5183 (mm-automatic-display-p handle)
5185 (mm-inlinable-p handle)
5186 (mm-inlined-p handle))
5187 (mm-automatic-external-display-p type)))
5189 (when (equal (mm-handle-media-supertype handle) "text")
5191 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5193 (push (cons id handle) gnus-article-mime-handle-alist)
5195 (equal (mm-handle-media-supertype handle) "message"))
5198 (cond ((not (bolp)) 2)
5199 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5201 (when (or (not display)
5202 (not (gnus-unbuttonized-mime-type-p type)))
5203 (gnus-insert-mime-button
5204 handle id (list (or display (and not-attachment text))))
5205 (gnus-article-insert-newline)
5206 ;; Remember modify the number of forward lines.
5214 (let ((mail-parse-charset gnus-newsgroup-charset)
5215 (mail-parse-ignored-charsets
5216 (save-excursion (condition-case ()
5217 (set-buffer gnus-summary-buffer)
5219 gnus-newsgroup-ignored-charsets)))
5220 (mm-display-part handle t))
5221 (goto-char (point-max)))
5222 ((and text not-attachment)
5226 (gnus-article-insert-newline)
5229 (let ((charset (mail-content-type-get (mm-handle-type handle)
5231 (cond ((not charset)
5232 (mm-string-as-multibyte (mm-get-part handle)))
5233 ((eq charset 'gnus-decoded)
5234 (with-current-buffer (mm-handle-buffer handle)
5237 (mm-decode-string (mm-get-part handle) charset)))))
5238 (goto-char (point-max))))
5242 (narrow-to-region beg (point))
5245 (gnus-article-mime-total-parts)
5246 (mm-handle-media-type handle)))))))))
5248 (defun gnus-unbuttonized-mime-type-p (type)
5249 "Say whether TYPE is to be unbuttonized."
5250 (unless gnus-inhibit-mime-unbuttonizing
5252 (let ((types gnus-unbuttonized-mime-types))
5254 (when (string-match (pop types) type)
5255 (throw 'found t)))))
5257 (let ((types gnus-buttonized-mime-types))
5259 (when (string-match (pop types) type)
5260 (throw 'found t)))))))))
5262 (defun gnus-article-insert-newline ()
5263 "Insert a newline, but mark it as undeletable."
5264 (gnus-put-text-property
5265 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5267 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5268 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5271 handle (inhibit-read-only t) from props begend not-pref)
5272 (save-window-excursion
5275 (narrow-to-region (car ibegend)
5278 (goto-char (car ibegend))
5281 (delete-region (point-min) (point-max))
5282 (mm-remove-parts handles))
5283 (setq begend (list (point-marker)))
5285 (unless (setq not-pref (cadr (member preferred ihandles)))
5286 (setq not-pref (car ihandles)))
5289 (not (gnus-unbuttonized-mime-type-p
5290 "multipart/alternative")))
5291 (gnus-add-text-properties
5294 (insert (format "%d. " id))
5298 (unless ,(not ibegend)
5299 (setq gnus-article-mime-handle-alist
5300 ',gnus-article-mime-handle-alist))
5301 (gnus-mime-display-alternative
5302 ',ihandles ',not-pref ',begend ,id))
5303 keymap ,gnus-mime-button-map
5304 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5305 face ,gnus-article-button-face
5307 article-type multipart))
5308 (widget-convert-button 'link from (point)
5309 :action 'gnus-widget-press-button
5310 :button-keymap gnus-widget-button-keymap)
5312 (while (setq handle (pop handles))
5313 (gnus-add-text-properties
5316 (insert (format "(%c) %-18s"
5317 (if (equal handle preferred) ?* ? )
5318 (mm-handle-media-type handle)))
5322 (unless ,(not ibegend)
5323 (setq gnus-article-mime-handle-alist
5324 ',gnus-article-mime-handle-alist))
5325 (gnus-mime-display-alternative
5326 ',ihandles ',handle ',begend ,id))
5327 keymap ,gnus-mime-button-map
5328 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5329 face ,gnus-article-button-face
5332 (widget-convert-button 'link from (point)
5333 :action 'gnus-widget-press-button
5334 :button-keymap gnus-widget-button-keymap)
5338 (if (stringp (car preferred))
5339 (gnus-display-mime preferred)
5340 (let ((mail-parse-charset gnus-newsgroup-charset)
5341 (mail-parse-ignored-charsets
5342 (with-current-buffer gnus-summary-buffer
5343 gnus-newsgroup-ignored-charsets)))
5344 (mm-display-part preferred)
5348 (narrow-to-region (car begend) (point-max))
5350 nil (length gnus-article-mime-handle-alist)
5351 (gnus-article-mime-total-parts)
5352 (mm-handle-media-type handle))))))
5353 (goto-char (point-max))
5354 (setcdr begend (point-marker)))))
5356 (goto-char point))))
5358 (defconst gnus-article-wash-status-strings
5359 (let ((alist '((cite "c" "Possible hidden citation text"
5360 " " "All citation text visible")
5361 (headers "h" "Hidden headers"
5362 " " "All headers visible.")
5363 (pgp "p" "Encrypted or signed message status hidden"
5364 " " "No hidden encryption nor digital signature status")
5365 (signature "s" "Signature has been hidden"
5366 " " "Signature is visible")
5367 (overstrike "o" "Overstrike (^H) characters applied"
5368 " " "No overstrike characters applied")
5369 (emphasis "e" "/*_Emphasis_*/ characters applied"
5370 " " "No /*_emphasis_*/ characters applied")))
5372 (dolist (entry alist result)
5373 (let ((key (nth 0 entry))
5374 (on (copy-sequence (nth 1 entry)))
5375 (on-help (nth 2 entry))
5376 (off (copy-sequence (nth 3 entry)))
5377 (off-help (nth 4 entry)))
5378 (put-text-property 0 1 'help-echo on-help on)
5379 (put-text-property 0 1 'help-echo off-help off)
5380 (push (list key on off) result))))
5381 "Alist of strings describing wash status in the mode line.
5382 Each entry has the form (KEY ON OF), where the KEY is a symbol
5383 representing the particular washing function, ON is the string to use
5384 in the article mode line when the washing function is active, and OFF
5385 is the string to use when it is inactive.")
5387 (defun gnus-article-wash-status-entry (key value)
5388 (let ((entry (assoc key gnus-article-wash-status-strings)))
5389 (if value (nth 1 entry) (nth 2 entry))))
5391 (defun gnus-article-wash-status ()
5392 "Return a string which display status of article washing."
5393 (with-current-buffer gnus-article-buffer
5394 (let ((cite (memq 'cite gnus-article-wash-types))
5395 (headers (memq 'headers gnus-article-wash-types))
5396 (boring (memq 'boring-headers gnus-article-wash-types))
5397 (pgp (memq 'pgp gnus-article-wash-types))
5398 (pem (memq 'pem gnus-article-wash-types))
5399 (signed (memq 'signed gnus-article-wash-types))
5400 (encrypted (memq 'encrypted gnus-article-wash-types))
5401 (signature (memq 'signature gnus-article-wash-types))
5402 (overstrike (memq 'overstrike gnus-article-wash-types))
5403 (emphasis (memq 'emphasis gnus-article-wash-types)))
5405 (gnus-article-wash-status-entry 'cite cite)
5406 (gnus-article-wash-status-entry 'headers (or headers boring))
5407 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5408 (gnus-article-wash-status-entry 'signature signature)
5409 (gnus-article-wash-status-entry 'overstrike overstrike)
5410 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5412 (defun gnus-add-wash-type (type)
5413 "Add a washing of TYPE to the current status."
5414 (add-to-list 'gnus-article-wash-types type))
5416 (defun gnus-delete-wash-type (type)
5417 "Add a washing of TYPE to the current status."
5418 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5420 (defun gnus-add-image (category image)
5421 "Add IMAGE of CATEGORY to the list of displayed images."
5422 (let ((entry (assq category gnus-article-image-alist)))
5424 (setq entry (list category))
5425 (push entry gnus-article-image-alist))
5426 (nconc entry (list image))))
5428 (defun gnus-delete-images (category)
5429 "Delete all images in CATEGORY."
5430 (let ((entry (assq category gnus-article-image-alist)))
5431 (dolist (image (cdr entry))
5432 (gnus-remove-image image category))
5433 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5434 (gnus-delete-wash-type category)))
5436 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5438 (defun gnus-article-maybe-hide-headers ()
5439 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5440 Provided for backwards compatibility."
5441 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5442 (not (with-current-buffer gnus-summary-buffer
5443 gnus-have-all-headers)))
5444 (not gnus-inhibit-hiding))
5445 (gnus-article-hide-headers)))
5449 (defun gnus-output-to-file (file-name)
5450 "Append the current article to a file named FILE-NAME."
5451 (let ((artbuf (current-buffer)))
5453 (insert-buffer-substring artbuf)
5454 ;; Append newline at end of the buffer as separator, and then
5456 (goto-char (point-max))
5458 (let ((file-name-coding-system nnmail-pathname-coding-system))
5459 (mm-append-to-file (point-min) (point-max) file-name))
5462 (defun gnus-narrow-to-page (&optional arg)
5463 "Narrow the article buffer to a page.
5464 If given a numerical ARG, move forward ARG pages."
5466 (setq arg (if arg (prefix-numeric-value arg) 0))
5468 (set-buffer gnus-article-buffer)
5469 (goto-char (point-min))
5471 ;; Remove any old next/prev buttons.
5472 (when (gnus-visual-p 'page-marker)
5473 (let ((inhibit-read-only t))
5474 (gnus-remove-text-with-property 'gnus-prev)
5475 (gnus-remove-text-with-property 'gnus-next)))
5478 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5480 (re-search-forward page-delimiter nil 'move arg)))
5481 (goto-char (match-end 0))
5483 (goto-char (point-min))
5484 (setq gnus-page-broken
5485 (and (re-search-forward page-delimiter nil t) t))))
5486 (when gnus-page-broken
5489 (if (re-search-forward page-delimiter nil 'move)
5492 (when (and (gnus-visual-p 'page-marker)
5493 (> (point-min) (save-restriction (widen) (point-min))))
5495 (goto-char (point-min))
5496 (gnus-insert-prev-page-button)))
5497 (when (and (gnus-visual-p 'page-marker)
5498 (< (point-max) (save-restriction (widen) (point-max))))
5500 (goto-char (point-max))
5501 (gnus-insert-next-page-button))))))
5503 ;; Article mode commands
5505 (defun gnus-article-goto-next-page ()
5506 "Show the next page of the article."
5508 (when (gnus-article-next-page)
5509 (goto-char (point-min))
5510 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5513 (defun gnus-article-goto-prev-page ()
5514 "Show the previous page of the article."
5517 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5518 (gnus-article-prev-page nil)))
5520 ;; This is cleaner but currently breaks `gnus-pick-mode':
5522 ;; (defun gnus-article-goto-next-page ()
5523 ;; "Show the next page of the article."
5525 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5526 ;; (gnus-summary-next-page)))
5528 ;; (defun gnus-article-goto-prev-page ()
5529 ;; "Show the next page of the article."
5531 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5532 ;; (gnus-summary-prev-page)))
5534 (defun gnus-article-next-page (&optional lines)
5535 "Show the next page of the current article.
5536 If end of article, return non-nil. Otherwise return nil.
5537 Argument LINES specifies lines to be scrolled up."
5539 (move-to-window-line -1)
5542 (and (pos-visible-in-window-p) ;Not continuation line.
5543 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5544 ;; Nothing in this page.
5545 (if (or (not gnus-page-broken)
5550 (eobp)))) ;Real end-of-buffer?
5552 (when gnus-article-over-scroll
5553 (gnus-article-next-page-1 lines))
5555 (gnus-narrow-to-page 1) ;Go to next page.
5557 ;; More in this page.
5558 (gnus-article-next-page-1 lines)
5561 (defmacro gnus-article-beginning-of-window ()
5562 "Move point to the beginning of the window.
5563 In Emacs, the point is placed at the line number which `scroll-margin'
5565 (if (featurep 'xemacs)
5566 '(move-to-window-line 0)
5567 '(move-to-window-line
5568 (min (max 0 scroll-margin)
5569 (max 1 (- (window-height)
5570 (if mode-line-format 1 0)
5571 (if header-line-format 1 0)))))))
5573 (defun gnus-article-next-page-1 (lines)
5574 (when (and (not (featurep 'xemacs))
5577 (numberp (symbol-value 'scroll-margin))
5578 (> (symbol-value 'scroll-margin) 0))
5579 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5580 ;; too many number of lines if `scroll-margin' is set as two or greater.
5581 (setq lines (min lines
5582 (max 0 (- (count-lines (window-start) (point-max))
5583 (symbol-value 'scroll-margin))))))
5585 (let ((scroll-in-place nil))
5588 ;; Long lines may cause an end-of-buffer error.
5589 (goto-char (point-max))))
5590 (gnus-article-beginning-of-window))
5592 (defun gnus-article-prev-page (&optional lines)
5593 "Show previous page of current article.
5594 Argument LINES specifies lines to be scrolled down."
5596 (move-to-window-line 0)
5597 (if (and gnus-page-broken
5599 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5601 (gnus-narrow-to-page -1) ;Go to previous page.
5602 (goto-char (point-max))
5606 (let ((scroll-in-place nil))
5607 (scroll-down lines))
5608 (beginning-of-buffer
5609 (goto-char (point-min))))
5610 (gnus-article-beginning-of-window))))
5612 (defun gnus-article-only-boring-p ()
5613 "Decide whether there is only boring text remaining in the article.
5614 Something \"interesting\" is a word of at least two letters that does
5615 not have a face in `gnus-article-boring-faces'."
5616 (when (and gnus-article-skip-boring
5617 (boundp 'gnus-article-boring-faces)
5618 (symbol-value 'gnus-article-boring-faces))
5620 (let ((inhibit-point-motion-hooks t))
5622 (while (re-search-forward "\\b\\w\\w" nil t)
5624 (when (not (gnus-intersection
5625 (gnus-faces-at (point))
5626 (symbol-value 'gnus-article-boring-faces)))
5627 (throw 'only-boring nil)))
5628 (throw 'only-boring t))))))
5630 (defun gnus-article-refer-article ()
5631 "Read article specified by message-id around point."
5634 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5635 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5636 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5637 (let ((msg-id (concat "<" (match-string 0) ">")))
5638 (set-buffer gnus-summary-buffer)
5639 (gnus-summary-refer-article msg-id))
5640 (error "No references around point"))))
5642 (defun gnus-article-show-summary ()
5643 "Reconfigure windows to show summary buffer."
5645 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5646 (error "There is no summary buffer for this article buffer")
5647 (gnus-article-set-globals)
5648 (gnus-configure-windows 'article)
5649 (gnus-summary-goto-subject gnus-current-article)
5650 (gnus-summary-position-point)))
5652 (defun gnus-article-describe-briefly ()
5653 "Describe article mode commands briefly."
5655 (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")))
5657 (defun gnus-article-summary-command ()
5658 "Execute the last keystroke in the summary buffer."
5660 (let ((obuf (current-buffer))
5661 (owin (current-window-configuration))
5663 (switch-to-buffer gnus-article-current-summary 'norecord)
5664 (setq func (lookup-key (current-local-map) (this-command-keys)))
5665 (call-interactively func)
5667 (set-window-configuration owin)
5668 (set-window-point (get-buffer-window (current-buffer)) (point))))
5670 (defun gnus-article-summary-command-nosave ()
5671 "Execute the last keystroke in the summary buffer."
5674 (pop-to-buffer gnus-article-current-summary 'norecord)
5675 (setq func (lookup-key (current-local-map) (this-command-keys)))
5676 (call-interactively func)))
5678 (defun gnus-article-check-buffer ()
5679 "Beep if not in an article buffer."
5680 (unless (equal major-mode 'gnus-article-mode)
5681 (error "Command invoked outside of a Gnus article buffer")))
5683 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5684 "Read a summary buffer key sequence and execute it from the article buffer."
5686 (gnus-article-check-buffer)
5688 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5689 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5690 "=" "^" "\M-^" "|"))
5696 '("n" "Gn" "p" "Gp"))
5699 (set-buffer gnus-article-current-summary)
5700 (let (gnus-pick-mode)
5701 (push (or key last-command-event) unread-command-events)
5702 (setq keys (if (featurep 'xemacs)
5703 (events-to-keys (read-key-sequence nil))
5704 (read-key-sequence nil)))))
5708 (if (or (member keys nosaves)
5709 (member keys nosave-but-article)
5710 (member keys nosave-in-article))
5712 (save-window-excursion
5713 (pop-to-buffer gnus-article-current-summary 'norecord)
5714 ;; We disable the pick minor mode commands.
5715 (let (gnus-pick-mode)
5716 (setq func (lookup-key (current-local-map) keys))))
5720 (unless (member keys nosave-in-article)
5721 (set-buffer gnus-article-current-summary))
5722 (call-interactively func)
5723 (setq new-sum-point (point)))
5724 (when (member keys nosave-but-article)
5725 (pop-to-buffer gnus-article-buffer 'norecord)))
5726 ;; These commands should restore window configuration.
5727 (let ((obuf (current-buffer))
5728 (owin (current-window-configuration))
5730 win func in-buffer selected new-sum-start new-sum-hscroll)
5731 (cond (not-restore-window
5732 (pop-to-buffer gnus-article-current-summary 'norecord))
5733 ((setq win (get-buffer-window gnus-article-current-summary))
5734 (select-window win))
5736 (switch-to-buffer gnus-article-current-summary 'norecord)))
5737 (setq in-buffer (current-buffer))
5738 ;; We disable the pick minor mode commands.
5739 (if (and (setq func (let (gnus-pick-mode)
5740 (lookup-key (current-local-map) keys)))
5743 (call-interactively func)
5744 (when (eq win (selected-window))
5745 (setq new-sum-point (point)
5746 new-sum-start (window-start win)
5747 new-sum-hscroll (window-hscroll win)))
5748 (when (eq in-buffer (current-buffer))
5749 (setq selected (gnus-summary-select-article))
5751 (unless not-restore-window
5752 (set-window-configuration owin))
5753 (when (eq selected 'old)
5755 (set-window-start (get-buffer-window (current-buffer))
5757 (set-window-point (get-buffer-window (current-buffer))
5759 (when (and (not not-restore-window)
5761 (set-window-point win new-sum-point)
5762 (set-window-start win new-sum-start)
5763 (set-window-hscroll win new-sum-hscroll))))
5764 (set-window-configuration owin)
5767 (defun gnus-article-describe-key (key)
5768 "Display documentation of the function invoked by KEY. KEY is a string."
5769 (interactive "kDescribe key: ")
5770 (gnus-article-check-buffer)
5771 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5773 (set-buffer gnus-article-current-summary)
5774 (let (gnus-pick-mode)
5775 (if (featurep 'xemacs)
5777 (push (elt key 0) unread-command-events)
5778 (setq key (events-to-keys
5779 (read-key-sequence "Describe key: "))))
5780 (setq unread-command-events
5782 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5783 (string-to-list key)))
5784 (setq key (read-key-sequence "Describe key: "))))
5786 (describe-key key)))
5788 (defun gnus-article-describe-key-briefly (key &optional insert)
5789 "Display documentation of the function invoked by KEY. KEY is a string."
5790 (interactive "kDescribe key: \nP")
5791 (gnus-article-check-buffer)
5792 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5794 (set-buffer gnus-article-current-summary)
5795 (let (gnus-pick-mode)
5796 (if (featurep 'xemacs)
5798 (push (elt key 0) unread-command-events)
5799 (setq key (events-to-keys
5800 (read-key-sequence "Describe key: "))))
5801 (setq unread-command-events
5803 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5804 (string-to-list key)))
5805 (setq key (read-key-sequence "Describe key: "))))
5806 (describe-key-briefly key insert))
5807 (describe-key-briefly key insert)))
5809 (defun gnus-article-reply-with-original (&optional wide)
5810 "Start composing a reply mail to the current message.
5811 The text in the region will be yanked. If the region isn't active,
5812 the entire article will be yanked."
5814 (let ((article (cdr gnus-article-current))
5816 (if (not (gnus-region-active-p))
5817 (with-current-buffer gnus-summary-buffer
5818 (gnus-summary-reply (list (list article)) wide))
5819 (setq contents (buffer-substring (point) (mark t)))
5820 ;; Deactivate active regions.
5821 (when (and (boundp 'transient-mark-mode)
5822 transient-mark-mode)
5823 (setq mark-active nil))
5824 (with-current-buffer gnus-summary-buffer
5826 (list (list article contents)) wide)))))
5828 (defun gnus-article-followup-with-original ()
5829 "Compose a followup to the current article.
5830 The text in the region will be yanked. If the region isn't active,
5831 the entire article will be yanked."
5833 (let ((article (cdr gnus-article-current))
5835 (if (not (gnus-region-active-p))
5836 (with-current-buffer gnus-summary-buffer
5837 (gnus-summary-followup (list (list article))))
5838 (setq contents (buffer-substring (point) (mark t)))
5839 ;; Deactivate active regions.
5840 (when (and (boundp 'transient-mark-mode)
5841 transient-mark-mode)
5842 (setq mark-active nil))
5843 (with-current-buffer gnus-summary-buffer
5844 (gnus-summary-followup
5845 (list (list article contents)))))))
5847 (defun gnus-article-hide (&optional arg force)
5848 "Hide all the gruft in the current article.
5849 This means that signatures, cited text and (some) headers will be
5851 If given a prefix, show the hidden text instead."
5852 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5853 (gnus-article-hide-headers arg)
5854 (gnus-article-hide-list-identifiers arg)
5855 (gnus-article-hide-citation-maybe arg force)
5856 (gnus-article-hide-signature arg))
5858 (defun gnus-article-maybe-highlight ()
5859 "Do some article highlighting if article highlighting is requested."
5860 (when (gnus-visual-p 'article-highlight 'highlight)
5861 (gnus-article-highlight-some)))
5863 (defun gnus-check-group-server ()
5864 ;; Make sure the connection to the server is alive.
5865 (unless (gnus-server-opened
5866 (gnus-find-method-for-group gnus-newsgroup-name))
5867 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5868 (gnus-request-group gnus-newsgroup-name t)))
5871 (autoload 'nneething-get-file-name "nneething"))
5873 (defun gnus-request-article-this-buffer (article group)
5874 "Get an article and insert it into this buffer."
5875 (let (do-update-line sparse-header)
5879 (gnus-kill-all-overlays)
5880 (setq group (or group gnus-newsgroup-name))
5882 ;; Using `gnus-request-article' directly will insert the article into
5883 ;; `nntp-server-buffer' - so we'll save some time by not having to
5884 ;; copy it from the server buffer into the article buffer.
5886 ;; We only request an article by message-id when we do not have the
5887 ;; headers for it, so we'll have to get those.
5888 (when (stringp article)
5889 (gnus-read-header article))
5891 ;; If the article number is negative, that means that this article
5892 ;; doesn't belong in this newsgroup (possibly), so we find its
5893 ;; message-id and request it by id instead of number.
5894 (when (and (numberp article)
5896 (get-buffer gnus-summary-buffer)
5897 (gnus-buffer-exists-p gnus-summary-buffer))
5899 (set-buffer gnus-summary-buffer)
5900 (let ((header (gnus-summary-article-header article)))
5903 ((memq article gnus-newsgroup-sparse)
5904 ;; This is a sparse gap article.
5905 (setq do-update-line article)
5906 (setq article (mail-header-id header))
5907 (setq sparse-header (gnus-read-header article))
5908 (setq gnus-newsgroup-sparse
5909 (delq article gnus-newsgroup-sparse)))
5911 ;; It's a real article.
5912 (setq article (mail-header-id header)))
5914 ;; It is an extracted pseudo-article.
5915 (setq article 'pseudo)
5916 (gnus-request-pseudo-article header))))
5918 (let ((method (gnus-find-method-for-group
5919 gnus-newsgroup-name)))
5920 (when (and (eq (car method) 'nneething)
5922 (let ((dir (nneething-get-file-name
5923 (mail-header-id header))))
5924 (when (and (stringp dir)
5925 (file-directory-p dir))
5926 (setq article 'nneething)
5927 (gnus-group-enter-directory dir))))))))
5930 ;; Refuse to select canceled articles.
5931 ((and (numberp article)
5933 (get-buffer gnus-summary-buffer)
5934 (gnus-buffer-exists-p gnus-summary-buffer)
5935 (eq (cdr (with-current-buffer gnus-summary-buffer
5936 (assq article gnus-newsgroup-reads)))
5937 gnus-canceled-mark))
5939 ;; We first check `gnus-original-article-buffer'.
5940 ((and (get-buffer gnus-original-article-buffer)
5942 (with-current-buffer gnus-original-article-buffer
5943 (and (equal (car gnus-original-article) group)
5944 (eq (cdr gnus-original-article) article))))
5945 (insert-buffer-substring gnus-original-article-buffer)
5947 ;; Check the backlog.
5948 ((and gnus-keep-backlog
5949 (gnus-backlog-request-article group article (current-buffer)))
5951 ;; Check asynchronous pre-fetch.
5952 ((gnus-async-request-fetched-article group article (current-buffer))
5953 (gnus-async-prefetch-next group article gnus-summary-buffer)
5954 (when (and (numberp article) gnus-keep-backlog)
5955 (gnus-backlog-enter-article group article (current-buffer)))
5958 ((and gnus-use-cache
5960 (gnus-cache-request-article article group))
5962 ;; Check the agent cache.
5963 ((gnus-agent-request-article article group)
5965 ;; Get the article and put into the article buffer.
5966 ((or (stringp article)
5968 (let ((gnus-override-method gnus-override-method)
5969 (methods (and (stringp article)
5970 gnus-refer-article-method))
5971 (backend (car (gnus-find-method-for-group
5972 gnus-newsgroup-name)))
5974 (inhibit-read-only t))
5975 (if (or (not (listp methods))
5976 (and (symbolp (car methods))
5977 (assq (car methods) nnoo-definition-alist)))
5978 (setq methods (list methods)))
5979 (when (and (null gnus-override-method)
5981 (setq gnus-override-method (pop methods)))
5983 (when (eq gnus-override-method 'current)
5984 (setq gnus-override-method
5985 (with-current-buffer gnus-summary-buffer
5986 gnus-current-select-method)))
5988 (gnus-kill-all-overlays)
5989 (let ((gnus-newsgroup-name group))
5990 (gnus-check-group-server))
5992 ((gnus-request-article article group (current-buffer))
5993 (when (numberp article)
5994 (gnus-async-prefetch-next group article
5995 gnus-summary-buffer)
5996 (when gnus-keep-backlog
5997 (gnus-backlog-enter-article
5998 group article (current-buffer))))
5999 (setq result 'article))
6001 (setq gnus-override-method (pop methods)))
6002 ((not (string-match "^400 "
6003 (nnheader-get-report backend)))
6004 ;; If we get 400 server disconnect, reconnect and
6005 ;; retry; otherwise, assume the article has expired.
6006 (setq result 'done))))
6007 (and (eq result 'article) 'article)))
6011 ;; Associate this article with the current summary buffer.
6012 (setq gnus-article-current-summary gnus-summary-buffer)
6014 ;; Take the article from the original article buffer
6015 ;; and place it in the buffer it's supposed to be in.
6016 (when (and (get-buffer gnus-article-buffer)
6017 (equal (buffer-name (current-buffer))
6018 (buffer-name (get-buffer gnus-article-buffer))))
6020 (if (get-buffer gnus-original-article-buffer)
6021 (set-buffer gnus-original-article-buffer)
6022 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6023 (buffer-disable-undo)
6024 (setq major-mode 'gnus-original-article-mode)
6025 (setq buffer-read-only t))
6026 (let ((inhibit-read-only t))
6028 (insert-buffer-substring gnus-article-buffer))
6029 (setq gnus-original-article (cons group article)))
6032 (run-hooks 'gnus-article-decode-hook)
6033 ;; Mark article as decoded or not.
6034 (setq gnus-article-decoded-p gnus-article-decode-hook))
6036 ;; Update sparse articles.
6037 (when (and do-update-line
6038 (or (numberp article)
6040 (let ((buf (current-buffer)))
6041 (set-buffer gnus-summary-buffer)
6042 (gnus-summary-update-article do-update-line sparse-header)
6043 (gnus-summary-goto-subject do-update-line nil t)
6044 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6046 (set-buffer buf))))))
6052 (defcustom gnus-article-edit-mode-hook nil
6053 "Hook run in article edit mode buffers."
6054 :group 'gnus-article-various
6057 (defvar gnus-article-edit-done-function nil)
6059 (defvar gnus-article-edit-mode-map nil)
6061 ;; Should we be using derived.el for this?
6062 (unless gnus-article-edit-mode-map
6063 (setq gnus-article-edit-mode-map (make-keymap))
6064 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6066 (gnus-define-keys gnus-article-edit-mode-map
6067 "\C-c?" describe-mode
6068 "\C-c\C-c" gnus-article-edit-done
6069 "\C-c\C-k" gnus-article-edit-exit
6070 "\C-c\C-f\C-t" message-goto-to
6071 "\C-c\C-f\C-o" message-goto-from
6072 "\C-c\C-f\C-b" message-goto-bcc
6073 ;;"\C-c\C-f\C-w" message-goto-fcc
6074 "\C-c\C-f\C-c" message-goto-cc
6075 "\C-c\C-f\C-s" message-goto-subject
6076 "\C-c\C-f\C-r" message-goto-reply-to
6077 "\C-c\C-f\C-n" message-goto-newsgroups
6078 "\C-c\C-f\C-d" message-goto-distribution
6079 "\C-c\C-f\C-f" message-goto-followup-to
6080 "\C-c\C-f\C-m" message-goto-mail-followup-to
6081 "\C-c\C-f\C-k" message-goto-keywords
6082 "\C-c\C-f\C-u" message-goto-summary
6083 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6084 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6085 "\C-c\C-b" message-goto-body
6086 "\C-c\C-i" message-goto-signature
6088 "\C-c\C-t" message-insert-to
6089 "\C-c\C-n" message-insert-newsgroups
6090 "\C-c\C-o" message-sort-headers
6091 "\C-c\C-e" message-elide-region
6092 "\C-c\C-v" message-delete-not-region
6093 "\C-c\C-z" message-kill-to-signature
6094 "\M-\r" message-newline-and-reformat
6095 "\C-c\C-a" mml-attach-file
6096 "\C-a" message-beginning-of-line
6098 "\M-;" comment-region)
6100 (gnus-define-keys (gnus-article-edit-wash-map
6101 "\C-c\C-w" gnus-article-edit-mode-map)
6102 "f" gnus-article-edit-full-stops))
6105 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6107 ["Fetch To" message-insert-to t]
6108 ["Fetch Newsgroups" message-insert-newsgroups t]
6110 ["To" message-goto-to t]
6111 ["From" message-goto-from t]
6112 ["Subject" message-goto-subject t]
6113 ["Cc" message-goto-cc t]
6114 ["Reply-To" message-goto-reply-to t]
6115 ["Summary" message-goto-summary t]
6116 ["Keywords" message-goto-keywords t]
6117 ["Newsgroups" message-goto-newsgroups t]
6118 ["Followup-To" message-goto-followup-to t]
6119 ["Mail-Followup-To" message-goto-mail-followup-to t]
6120 ["Distribution" message-goto-distribution t]
6121 ["Body" message-goto-body t]
6122 ["Signature" message-goto-signature t]))
6124 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6125 "Major mode for editing articles.
6126 This is an extended text-mode.
6128 \\{gnus-article-edit-mode-map}"
6129 (make-local-variable 'gnus-article-edit-done-function)
6130 (make-local-variable 'gnus-prev-winconf)
6131 (set (make-local-variable 'font-lock-defaults)
6132 '(message-font-lock-keywords t))
6133 (set (make-local-variable 'mail-header-separator) "")
6134 (set (make-local-variable 'gnus-article-edit-mode) t)
6135 (easy-menu-add message-mode-field-menu message-mode-map)
6137 (setq buffer-read-only nil)
6138 (buffer-enable-undo)
6141 (defun gnus-article-edit (&optional force)
6142 "Edit the current article.
6143 This will have permanent effect only in mail groups.
6144 If FORCE is non-nil, allow editing of articles even in read-only
6147 (when (and (not force)
6148 (gnus-group-read-only-p))
6149 (error "The current newsgroup does not support article editing"))
6150 (gnus-article-date-original)
6151 (gnus-article-edit-article
6153 `(lambda (no-highlight)
6155 (gnus-summary-edit-article-done
6156 ,(or (mail-header-references gnus-current-headers) "")
6157 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6159 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
6160 "Start editing the contents of the current article buffer."
6161 (let ((winconf (current-window-configuration)))
6162 (set-buffer gnus-article-buffer)
6163 (let ((message-auto-save-directory
6164 ;; Don't associate the article buffer with a draft file.
6166 (gnus-article-edit-mode))
6167 (funcall start-func)
6168 (set-buffer-modified-p nil)
6169 (gnus-configure-windows 'edit-article)
6170 (setq gnus-article-edit-done-function exit-func)
6171 (setq gnus-prev-winconf winconf)
6173 (gnus-message 6 "C-c C-c to end edits"))))
6175 (defun gnus-article-edit-done (&optional arg)
6176 "Update the article edits and exit."
6178 (let ((func gnus-article-edit-done-function)
6179 (buf (current-buffer))
6180 (start (window-start))
6182 (winconf gnus-prev-winconf))
6183 (widen) ;; Widen it in case that users narrowed the buffer.
6186 ;; The cache and backlog have to be flushed somewhat.
6187 (when gnus-keep-backlog
6188 (gnus-backlog-remove-article
6189 (car gnus-article-current) (cdr gnus-article-current)))
6190 ;; Flush original article as well.
6192 (when (get-buffer gnus-original-article-buffer)
6193 (set-buffer gnus-original-article-buffer)
6194 (setq gnus-original-article nil)))
6195 (when gnus-use-cache
6196 (gnus-cache-update-article
6197 (car gnus-article-current) (cdr gnus-article-current)))
6198 ;; We remove all text props from the article buffer.
6199 (kill-all-local-variables)
6200 (set-text-properties (point-min) (point-max) nil)
6202 (set-window-configuration winconf)
6204 (set-window-start (get-buffer-window buf) start)
6205 (set-window-point (get-buffer-window buf) (point)))
6206 (gnus-summary-show-article))
6208 (defun gnus-article-edit-exit ()
6209 "Exit the article editing without updating."
6211 (when (or (not (buffer-modified-p))
6212 (yes-or-no-p "Article modified; kill anyway? "))
6213 (let ((curbuf (current-buffer))
6215 (window-start (window-start)))
6217 (if (gnus-buffer-live-p gnus-original-article-buffer)
6218 (insert-buffer-substring gnus-original-article-buffer))
6219 (let ((winconf gnus-prev-winconf))
6220 (kill-all-local-variables)
6222 (set-window-configuration winconf)
6223 ;; Tippy-toe some to make sure that point remains where it was.
6224 (save-current-buffer
6226 (set-window-start (get-buffer-window (current-buffer)) window-start)
6228 (gnus-summary-show-article)))
6230 (defun gnus-article-edit-full-stops ()
6231 "Interactively repair spacing at end of sentences."
6234 (goto-char (point-min))
6235 (search-forward-regexp "^$" nil t)
6236 (let ((case-fold-search nil))
6237 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6240 ;;; Article highlights
6243 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6245 ;;; Internal Variables:
6247 (defcustom gnus-button-url-regexp
6248 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6249 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6250 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6251 "Regular expression that matches URLs."
6252 :group 'gnus-article-buttons
6255 (defcustom gnus-button-valid-fqdn-regexp
6256 message-valid-fqdn-regexp
6257 "Regular expression that matches a valid FQDN."
6259 :group 'gnus-article-buttons
6262 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6263 (defcustom gnus-button-valid-localpart-regexp
6264 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
6265 "Regular expression that matches a localpart of mail addresses or MIDs."
6267 :group 'gnus-article-buttons
6270 (defcustom gnus-button-man-handler 'manual-entry
6271 "Function to use for displaying man pages.
6272 The function must take at least one argument with a string naming the
6275 :type '(choice (function-item :tag "Man" manual-entry)
6276 (function-item :tag "Woman" woman)
6277 (function :tag "Other"))
6278 :group 'gnus-article-buttons)
6280 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6281 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6282 If the default site is too slow, try to find a CTAN mirror, see
6283 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6284 the variable `gnus-button-handle-ctan'."
6286 :group 'gnus-article-buttons
6287 :link '(custom-manual "(gnus)Group Parameters")
6288 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6289 (const "http://tug.ctan.org/tex-archive/")
6290 (const "http://www.dante.de/CTAN/")
6291 (string :tag "Other")))
6293 (defcustom gnus-button-ctan-handler 'browse-url
6294 "Function to use for displaying CTAN links.
6295 The function must take one argument, the string naming the URL."
6297 :type '(choice (function-item :tag "Browse Url" browse-url)
6298 (function :tag "Other"))
6299 :group 'gnus-article-buttons)
6301 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6302 "Bogus strings removed from CTAN URLs."
6304 :group 'gnus-article-buttons
6305 :type '(choice (const "^/?tex-archive/\\|/")
6306 (regexp :tag "Other")))
6308 (defcustom gnus-button-ctan-directory-regexp
6310 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6311 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6312 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6313 "tds" "tools" "usergrps" "web") t)
6314 "Regular expression for ctan directories.
6315 It should match all directories in the top level of `gnus-ctan-url'."
6317 :group 'gnus-article-buttons
6320 (defcustom gnus-button-mid-or-mail-regexp
6321 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6322 gnus-button-valid-fqdn-regexp
6324 "Regular expression that matches a message ID or a mail address."
6326 :group 'gnus-article-buttons
6329 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6330 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6331 Strings like this can be either a message ID or a mail address. If it is one
6332 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6333 message ID or a mail address, respectively. If this variable is set to the
6334 symbol `ask', always query the user what do do. If it is a function, this
6335 function will be called with the string as it's only argument. The function
6336 must return `mid', `mail', `invalid' or `ask'."
6338 :group 'gnus-article-buttons
6339 :type '(choice (function-item :tag "Heuristic function"
6340 gnus-button-mid-or-mail-heuristic)
6345 (defcustom gnus-button-mid-or-mail-heuristic-alist
6346 '((-10.0 . ".+\\$.+@")
6349 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6350 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6351 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6352 (-1.0 . "^[^a-z]+@")
6354 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6355 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6356 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6357 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6360 (-1.0 . "^[0-9][0-9]")
6362 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6363 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6364 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6365 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6367 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6368 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6371 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6373 ;; compensation for TDMA dated mail addresses:
6374 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6376 (-20.0 . "\\.fsf@") ;; Gnus
6379 (-20.0 . "_-_") ;; Subject change in thread
6381 (-20.0 . "\\.ln@") ;; leafnode
6382 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6383 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6385 ;; (5.0 . "") ;; $local_part_len <= 7
6386 (10.0 . "^[^0-9]+@")
6387 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6388 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6391 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6393 (0.5 . "^[A-Z][a-z]")
6394 (0.5 . "^[A-Z][a-z][a-z]")
6395 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6396 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6397 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6399 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6400 address. The REGEXP is processed with `case-fold-search' set to nil."
6402 :group 'gnus-article-buttons
6403 :type '(repeat (cons (number :tag "Rate")
6404 (regexp :tag "Regexp"))))
6406 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6407 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6408 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6409 address, `ask' if unsure and `invalid' if the string is invalid."
6410 (let ((case-fold-search nil)
6411 (list gnus-button-mid-or-mail-heuristic-alist)
6412 (result 0) rate regexp lpartlen elem)
6414 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6415 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6416 ;; Certain special cases...
6419 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6420 "^[0-9]+\\.[0-9]+@compuserve\\|"
6421 "@public\\.gmane\\.org")
6423 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6424 (setq result 'mail))
6425 (when (string-match "@.*@\\| " mid-or-mail)
6426 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6427 (setq result 'invalid))
6428 ;; Nothing more to do, if result is not a number here...
6429 (when (numberp result)
6431 (setq elem (car list)
6435 (when (string-match regexp mid-or-mail)
6436 (setq result (+ result rate))
6438 9 "`%s' matched `%s', rate `%s', result `%s'."
6439 mid-or-mail regexp rate result)))
6440 (when (<= lpartlen 7)
6441 (setq result (+ result 5.0))
6442 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6443 mid-or-mail result))
6444 (when (>= lpartlen 12)
6445 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6447 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6448 ;; Long local part should contain realname if e-mail address,
6449 ;; too many digits: message-id.
6450 ;; $score -= 5.0 + 0.1 * $local_part_len;
6451 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6452 (setq result (+ result rate))
6454 9 "Many digits in `%s', rate `%s', result `%s'."
6455 mid-or-mail rate result))
6456 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6458 ;; Too few vowels [^aeiouy]{4,}.*\@
6459 (setq result (+ result -5.0))
6461 9 "Few vowels in `%s', rate `%s', result `%s'."
6462 mid-or-mail -5.0 result))
6464 (setq result (+ result 5.0))
6466 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6467 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6468 ;; Maybe we should make this a customizable alist: (condition . 'result)
6470 ((symbolp result) result)
6471 ;; Now convert number into proper results:
6472 ((< result -10.0) 'mid)
6473 ((> result 10.0) 'mail)
6476 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6477 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6478 (url-mid (concat "news" ":" mid-or-mail))
6479 (url-mailto (concat "mailto" ":" mid-or-mail)))
6480 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6481 (when (fboundp pref)
6483 ;; get rid of surrounding angles...
6485 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6486 (if (or (eq 'mid guessed) (eq 'mail guessed))
6490 (save-window-excursion
6491 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6494 (cond ((eq pref 'mid)
6495 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6496 (gnus-button-handle-news url-mid))
6498 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6499 (gnus-url-mailto url-mailto))
6500 (t (gnus-message 3 "Invalid string.")))))
6502 (defun gnus-button-handle-custom (fun arg)
6503 "Call function FUN on argument ARG.
6504 Both FUN and ARG are supposed to be strings. ARG will be passed
6505 as a symbol to FUN."
6506 (funcall (intern fun) (intern arg)))
6508 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6510 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6513 (defun gnus-button-handle-describe-function (url)
6514 "Call `describe-function' when pushing the corresponding URL button."
6517 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6519 (defun gnus-button-handle-describe-variable (url)
6520 "Call `describe-variable' when pushing the corresponding URL button."
6523 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6525 (defun gnus-button-handle-symbol (url)
6526 "Display help on variable or function.
6527 Calls `describe-variable' or `describe-function'."
6528 (let ((sym (intern url)))
6530 ((fboundp sym) (describe-function sym))
6531 ((boundp sym) (describe-variable sym))
6532 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6534 (defun gnus-button-handle-describe-key (url)
6535 "Call `describe-key' when pushing the corresponding URL button."
6537 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6538 (keys (ignore-errors (eval `(kbd ,key-string)))))
6541 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6543 (defun gnus-button-handle-apropos (url)
6544 "Call `apropos' when pushing the corresponding URL button."
6545 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6547 (defun gnus-button-handle-apropos-command (url)
6548 "Call `apropos' when pushing the corresponding URL button."
6550 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6552 (defun gnus-button-handle-apropos-variable (url)
6553 "Call `apropos' when pushing the corresponding URL button."
6555 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6556 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6558 (defun gnus-button-handle-apropos-documentation (url)
6559 "Call `apropos' when pushing the corresponding URL button."
6561 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6562 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6564 (defun gnus-button-handle-library (url)
6565 "Call `locate-library' when pushing the corresponding URL button."
6566 (gnus-message 9 "url=`%s'" url)
6567 (let* ((lib (locate-library url))
6568 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6570 (gnus-message 1 "Cannot locale library `%s'." url)
6571 (find-file-read-only file))))
6573 (defun gnus-button-handle-ctan (url)
6574 "Call `browse-url' when pushing a CTAN URL button."
6576 gnus-button-ctan-handler
6579 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6581 (defcustom gnus-button-tex-level 5
6582 "*Integer that says how many TeX-related buttons Gnus will show.
6583 The higher the number, the more buttons will appear and the more false
6584 positives are possible. Note that you can set this variable local to
6585 specific groups. Setting it higher in TeX groups is probably a good idea.
6586 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6587 how to set variables in specific groups."
6589 :group 'gnus-article-buttons
6590 :link '(custom-manual "(gnus)Group Parameters")
6593 (defcustom gnus-button-man-level 5
6594 "*Integer that says how many man-related buttons Gnus will show.
6595 The higher the number, the more buttons will appear and the more false
6596 positives are possible. Note that you can set this variable local to
6597 specific groups. Setting it higher in Unix groups is probably a good idea.
6598 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6599 how to set variables in specific groups."
6601 :group 'gnus-article-buttons
6602 :link '(custom-manual "(gnus)Group Parameters")
6605 (defcustom gnus-button-emacs-level 5
6606 "*Integer that says how many emacs-related buttons Gnus will show.
6607 The higher the number, the more buttons will appear and the more false
6608 positives are possible. Note that you can set this variable local to
6609 specific groups. Setting it higher in Emacs or Gnus related groups is
6610 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6611 `gnus-parameters' on how to set variables in specific groups."
6613 :group 'gnus-article-buttons
6614 :link '(custom-manual "(gnus)Group Parameters")
6617 (defcustom gnus-button-message-level 5
6618 "*Integer that says how many buttons for news or mail messages will appear.
6619 The higher the number, the more buttons will appear and the more false
6620 positives are possible."
6621 ;; mail addresses, MIDs, URLs for news, ...
6623 :group 'gnus-article-buttons
6626 (defcustom gnus-button-browse-level 5
6627 "*Integer that says how many buttons for browsing will appear.
6628 The higher the number, the more buttons will appear and the more false
6629 positives are possible."
6630 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6632 :group 'gnus-article-buttons
6635 (defcustom gnus-button-alist
6636 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6637 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6638 ((concat "\\b\\(nntp\\|news\\):\\("
6639 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6640 0 t gnus-button-handle-news 2)
6641 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6642 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6643 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6644 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6645 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6646 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6647 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6648 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6649 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6650 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6651 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6652 ;; RFC 2368 (The mailto URL scheme)
6653 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6654 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6655 ("\\bmailto:\\([^ \n\t]+\\)"
6656 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6658 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6659 gnus-button-ctan-directory-regexp
6660 "[^][>)!;:,'\n\t ]+\\)")
6661 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6662 ((concat "\\btex-archive/\\("
6663 gnus-button-ctan-directory-regexp
6664 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6665 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6668 gnus-button-ctan-directory-regexp
6669 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6670 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6671 ;; This is info (home-grown style) <info://foo/bar+baz>
6672 ("\\binfo://\\([^'\">\n\t ]+\\)"
6673 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6674 ;; Info GNOME style <info:foo#bar_baz>
6675 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6676 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6677 ;; Info KDE style <info:(foo)bar baz>
6678 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6679 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6680 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6681 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6682 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6683 ;; Info links like `C-h i d m CC Mode RET'
6684 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6686 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6687 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
6688 ;; Emacs help commands
6689 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6690 ;; regexp doesn't match arguments containing ` '.
6691 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6692 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6693 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6694 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6695 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6696 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6697 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6698 ;; The following entries may lead to many false positives so don't enable
6699 ;; them by default (use a high button level).
6700 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6701 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6702 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6703 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6704 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6705 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6706 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6707 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6708 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6709 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6710 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6711 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6712 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6713 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6714 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6715 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6716 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6717 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6718 ;; Unlike the other regexps we really have to require quoting
6719 ;; here to determine where it ends.
6720 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6721 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6722 ("<URL: *\\([^<>]*\\)>"
6723 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6724 ;; RFC 2396 (2.4.3., delims) ...
6725 ("\"URL: *\\([^\"]*\\)\""
6726 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6727 ;; RFC 2396 (2.4.3., delims) ...
6728 ("\"URL: *\\([^\"]*\\)\""
6729 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6731 (gnus-button-url-regexp
6732 0 (>= gnus-button-browse-level 0) browse-url 0)
6734 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6735 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6736 gnus-button-handle-man 1)
6737 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6738 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6739 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6740 gnus-button-handle-man 1)
6741 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6742 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6743 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6744 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6745 ;; Recognizing patches to .el files. This is somewhat obscure,
6746 ;; but considering the percentage of Gnus users who hack Emacs
6748 ("^--- \\([^ .]+\\.el\\).*\n.*\n@@ -?\\([0-9]+\\)" 1
6749 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
6750 ("^\\*\\*\\* \\([^ .]+\\.el\\).*\n.*\n\\*+\n\\*\\*\\* \\([0-9]+\\)" 1
6751 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
6752 ;; MID or mail: To avoid too many false positives we don't try to catch
6753 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6754 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6755 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6756 ;; so that non-ambiguous entries (see above) match first.
6757 (gnus-button-mid-or-mail-regexp
6758 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6759 "*Alist of regexps matching buttons in article bodies.
6761 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6762 REGEXP: is the string (case insensitive) matching text around the button (can
6763 also be Lisp expression evaluating to a string),
6764 BUTTON: is the number of the regexp grouping actually matching the button,
6765 FORM: is a Lisp expression which must eval to true for the button to
6767 CALLBACK: is the function to call when the user push this button, and each
6768 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6770 CALLBACK can also be a variable, in that case the value of that
6771 variable it the real callback function."
6772 :group 'gnus-article-buttons
6773 :type '(repeat (list (choice regexp variable sexp)
6774 (integer :tag "Button")
6776 (function :tag "Callback")
6779 (integer :tag "Regexp group")))))
6781 (defcustom gnus-header-button-alist
6782 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6783 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6784 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6785 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6786 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6787 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6788 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6789 0 (>= gnus-button-browse-level 0) browse-url 0)
6790 ("^Subject:" gnus-button-url-regexp
6791 0 (>= gnus-button-browse-level 0) browse-url 0)
6792 ("^[^:]+:" gnus-button-url-regexp
6793 0 (>= gnus-button-browse-level 0) browse-url 0)
6794 ("^OpenPGP:.*url=" gnus-button-url-regexp
6795 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
6796 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6797 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6798 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6799 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6800 "*Alist of headers and regexps to match buttons in article heads.
6802 This alist is very similar to `gnus-button-alist', except that each
6803 alist has an additional HEADER element first in each entry:
6805 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6807 HEADER is a regexp to match a header. For a fuller explanation, see
6808 `gnus-button-alist'."
6809 :group 'gnus-article-buttons
6810 :group 'gnus-article-headers
6811 :type '(repeat (list (regexp :tag "Header")
6812 (choice regexp variable)
6813 (integer :tag "Button")
6815 (function :tag "Callback")
6818 (integer :tag "Regexp group")))))
6822 (defun gnus-article-push-button (event)
6823 "Check text under the mouse pointer for a callback function.
6824 If the text under the mouse pointer has a `gnus-callback' property,
6825 call it with the value of the `gnus-data' text property."
6827 (set-buffer (window-buffer (posn-window (event-start event))))
6828 (let* ((pos (posn-point (event-start event)))
6829 (data (get-text-property pos 'gnus-data))
6830 (fun (get-text-property pos 'gnus-callback)))
6833 (funcall fun data))))
6835 (defun gnus-article-press-button ()
6836 "Check text at point for a callback function.
6837 If the text at point has a `gnus-callback' property,
6838 call it with the value of the `gnus-data' text property."
6840 (let ((data (get-text-property (point) 'gnus-data))
6841 (fun (get-text-property (point) 'gnus-callback)))
6843 (funcall fun data))))
6845 (defun gnus-article-highlight (&optional force)
6846 "Highlight current article.
6847 This function calls `gnus-article-highlight-headers',
6848 `gnus-article-highlight-citation',
6849 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6850 do the highlighting. See the documentation for those functions."
6851 (interactive (list 'force))
6852 (gnus-article-highlight-headers)
6853 (gnus-article-highlight-citation force)
6854 (gnus-article-highlight-signature)
6855 (gnus-article-add-buttons force)
6856 (gnus-article-add-buttons-to-head))
6858 (defun gnus-article-highlight-some (&optional force)
6859 "Highlight current article.
6860 This function calls `gnus-article-highlight-headers',
6861 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6862 do the highlighting. See the documentation for those functions."
6863 (interactive (list 'force))
6864 (gnus-article-highlight-headers)
6865 (gnus-article-highlight-signature)
6866 (gnus-article-add-buttons))
6868 (defun gnus-article-highlight-headers ()
6869 "Highlight article headers as specified by `gnus-header-face-alist'."
6871 (gnus-with-article-headers
6872 (let (regexp header-face field-face from hpoints fpoints)
6873 (dolist (entry gnus-header-face-alist)
6874 (goto-char (point-min))
6875 (setq regexp (concat "^\\("
6876 (if (string-equal "" (nth 0 entry))
6880 header-face (nth 1 entry)
6881 field-face (nth 2 entry))
6882 (while (and (re-search-forward regexp nil t)
6886 (unless (search-forward ":" nil t)
6888 (when (and header-face
6889 (not (memq (point) hpoints)))
6890 (push (point) hpoints)
6891 (gnus-put-text-property from (point) 'face header-face))
6892 (when (and field-face
6893 (not (memq (setq from (point)) fpoints)))
6895 (if (re-search-forward "^[^ \t]" nil t)
6897 (goto-char (point-max)))
6898 (gnus-put-text-property from (point) 'face field-face)))))))
6900 (defun gnus-article-highlight-signature ()
6901 "Highlight the signature in an article.
6902 It does this by highlighting everything after
6903 `gnus-signature-separator' using the face `gnus-signature'."
6905 (gnus-with-article-buffer
6906 (let ((inhibit-point-motion-hooks t))
6908 (when (and gnus-signature-face
6909 (gnus-article-narrow-to-signature))
6910 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6911 'face gnus-signature-face)
6913 (gnus-article-search-signature)
6914 (let ((start (match-beginning 0))
6915 (end (set-marker (make-marker) (1+ (match-end 0)))))
6916 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6919 (defun gnus-button-in-region-p (b e prop)
6920 "Say whether PROP exists in the region."
6921 (text-property-not-all b e prop nil))
6923 (defun gnus-article-add-buttons (&optional force)
6924 "Find external references in the article and make buttons of them.
6925 \"External references\" are things like Message-IDs and URLs, as
6926 specified by `gnus-button-alist'."
6927 (interactive (list 'force))
6928 (gnus-with-article-buffer
6929 (let ((inhibit-point-motion-hooks t)
6930 (case-fold-search t)
6931 (alist gnus-button-alist)
6933 ;; Remove all old markers.
6934 (let (marker entry new-list)
6935 (while (setq marker (pop gnus-button-marker-list))
6936 (if (or (< marker (point-min)) (>= marker (point-max)))
6937 (push marker new-list)
6939 (when (setq entry (gnus-button-entry))
6940 (put-text-property (match-beginning (nth 1 entry))
6941 (match-end (nth 1 entry))
6942 'gnus-callback nil))
6943 (set-marker marker nil)))
6944 (setq gnus-button-marker-list new-list))
6945 ;; We skip the headers.
6948 (while (setq entry (pop alist))
6949 (setq regexp (eval (car entry)))
6951 (while (re-search-forward regexp nil t)
6952 (let* ((start (and entry (match-beginning (nth 1 entry))))
6953 (end (and entry (match-end (nth 1 entry))))
6954 (from (match-beginning 0)))
6955 (when (and (or (eq t (nth 2 entry))
6956 (eval (nth 2 entry)))
6957 (not (gnus-button-in-region-p
6958 start end 'gnus-callback)))
6959 ;; That optional form returned non-nil, so we add the
6961 (gnus-article-add-button
6962 start end 'gnus-button-push
6963 (car (push (set-marker (make-marker) from)
6964 gnus-button-marker-list))))))))))
6966 ;; Add buttons to the head of an article.
6967 (defun gnus-article-add-buttons-to-head ()
6968 "Add buttons to the head of the article."
6970 (gnus-with-article-headers
6972 (dolist (entry gnus-header-button-alist)
6973 ;; Each alist entry.
6974 (goto-char (point-min))
6975 (while (re-search-forward (car entry) nil t)
6976 ;; Each header matching the entry.
6977 (setq beg (match-beginning 0))
6978 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6979 (match-beginning 0))
6982 (while (re-search-forward (eval (nth 1 entry)) end t)
6983 ;; Each match within a header.
6984 (let* ((entry (cdr entry))
6985 (start (match-beginning (nth 1 entry)))
6986 (end (match-end (nth 1 entry)))
6987 (form (nth 2 entry)))
6988 (goto-char (match-end 0))
6990 (gnus-article-add-button
6991 start end (nth 3 entry)
6992 (buffer-substring (match-beginning (nth 4 entry))
6993 (match-end (nth 4 entry)))))))
6994 (goto-char end))))))
6996 ;;; External functions:
6998 (defun gnus-article-add-button (from to fun &optional data)
6999 "Create a button between FROM and TO with callback FUN and data DATA."
7000 (when gnus-article-button-face
7001 (gnus-overlay-put (gnus-make-overlay from to)
7002 'face gnus-article-button-face))
7003 (gnus-add-text-properties
7005 (nconc (and gnus-article-mouse-face
7006 (list gnus-mouse-face-prop gnus-article-mouse-face))
7007 (list 'gnus-callback fun)
7008 (and data (list 'gnus-data data))))
7009 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7010 :button-keymap gnus-widget-button-keymap))
7012 ;;; Internal functions:
7014 (defun gnus-article-set-globals ()
7015 (with-current-buffer gnus-summary-buffer
7016 (gnus-set-global-variables)))
7018 (defun gnus-signature-toggle (end)
7019 (gnus-with-article-buffer
7020 (let ((inhibit-point-motion-hooks t))
7021 (if (text-property-any end (point-max) 'article-type 'signature)
7023 (gnus-delete-wash-type 'signature)
7024 (gnus-remove-text-properties-when
7025 'article-type 'signature end (point-max)
7026 (cons 'article-type (cons 'signature
7027 gnus-hidden-properties))))
7028 (gnus-add-wash-type 'signature)
7029 (gnus-add-text-properties-when
7030 'article-type nil end (point-max)
7031 (cons 'article-type (cons 'signature
7032 gnus-hidden-properties)))))
7033 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7034 (gnus-set-mode-line 'article))))
7036 (defun gnus-button-entry ()
7037 ;; Return the first entry in `gnus-button-alist' matching this place.
7038 (let ((alist gnus-button-alist)
7041 (setq entry (pop alist))
7042 (if (looking-at (eval (car entry)))
7047 (defun gnus-button-push (marker)
7048 ;; Push button starting at MARKER.
7051 (let* ((entry (gnus-button-entry))
7052 (inhibit-point-motion-hooks t)
7054 (args (mapcar (lambda (group)
7055 (let ((string (match-string group)))
7056 (set-text-properties
7057 0 (length string) nil string)
7064 (fboundp (symbol-value fun)))
7065 (apply (symbol-value fun) args))
7067 (gnus-message 1 "You must define `%S' to use this button"
7068 (cons fun args)))))))
7070 (defun gnus-parse-news-url (url)
7071 (let (scheme server port group message-id articles)
7074 (goto-char (point-min))
7075 (when (looking-at "\\([A-Za-z]+\\):")
7076 (setq scheme (match-string 1))
7077 (goto-char (match-end 0)))
7078 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7079 (setq server (match-string 1))
7080 (setq port (if (stringp (match-string 3))
7081 (string-to-number (match-string 3))
7083 (goto-char (match-end 0)))
7086 ((looking-at "\\(.*@.*\\)")
7087 (setq message-id (match-string 1)))
7088 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7089 (setq group (match-string 1)
7090 articles (split-string (match-string 2) "-")))
7091 ((looking-at "\\([^/]+\\)/?")
7092 (setq group (match-string 1)))
7094 (error "Unknown news URL syntax"))))
7095 (list scheme server port group message-id articles)))
7097 (defun gnus-button-handle-news (url)
7099 (destructuring-bind (scheme server port group message-id articles)
7100 (gnus-parse-news-url url)
7104 (set-buffer gnus-summary-buffer)
7106 (let ((gnus-refer-article-method
7107 (nconc (list (list 'nntp server))
7108 gnus-refer-article-method))
7109 (nntp-port-number (or port "nntp")))
7110 (gnus-message 7 "Fetching %s with %s"
7111 message-id gnus-refer-article-method)
7112 (gnus-summary-refer-article message-id))
7113 (gnus-summary-refer-article message-id))))
7115 (gnus-button-fetch-group url)))))
7117 (defun gnus-button-patch (library line)
7118 "Visit an Emacs Lisp library LIBRARY on line LINE."
7120 (let ((file (locate-library (file-name-nondirectory library))))
7122 (error "Couldn't find library %s" library))
7124 (goto-line (string-to-number line))))
7126 (defun gnus-button-handle-man (url)
7128 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7129 (when (eq gnus-button-man-handler 'woman)
7130 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7131 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7132 (funcall gnus-button-man-handler url))
7134 (defun gnus-button-handle-info-url (url)
7135 "Fetch an info URL."
7136 (setq url (mm-subst-char-in-string ?+ ?\ url))
7138 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7139 (gnus-info-find-node
7140 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7142 ")" (gnus-url-unhex-string (match-string 2 url)))))
7143 ((string-match "([^)\"]+)[^\"]+" url)
7145 (gnus-replace-in-string
7146 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7147 (gnus-info-find-node url))
7148 (t (error "Can't parse %s" url))))
7150 (defun gnus-button-handle-info-url-gnome (url)
7151 "Fetch GNOME style info URL."
7152 (setq url (mm-subst-char-in-string ?_ ?\ url))
7153 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7154 (gnus-info-find-node
7156 (gnus-url-unhex-string
7157 (match-string 1 url))
7159 (or (gnus-url-unhex-string
7160 (match-string 2 url))
7162 (error "Can't parse %s" url)))
7164 (defun gnus-button-handle-info-url-kde (url)
7165 "Fetch KDE style info URL."
7166 (gnus-info-find-node (gnus-url-unhex-string url)))
7168 (defun gnus-button-handle-info-keystrokes (url)
7169 "Call `info' when pushing the corresponding URL button."
7170 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7175 (defun gnus-button-openpgp (url)
7176 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
7178 (mm-url-insert-file-contents-external url)
7179 (pgg-snarf-keys-region (point-min) (point-max))
7180 (pgg-display-output-buffer nil nil nil)))
7182 (defun gnus-button-message-id (message-id)
7184 (with-current-buffer gnus-summary-buffer
7185 (gnus-summary-refer-article message-id)))
7187 (defun gnus-button-fetch-group (address)
7188 "Fetch GROUP specified by ADDRESS."
7189 (if (not (string-match "[:/]" address))
7190 ;; This is just a simple group url.
7191 (gnus-group-read-ephemeral-group address gnus-select-method)
7194 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7196 (error "Can't parse %s" address)
7197 (gnus-group-read-ephemeral-group
7198 (match-string 4 address)
7199 `(nntp ,(match-string 1 address)
7200 (nntp-address ,(match-string 1 address))
7201 (nntp-port-number ,(if (match-end 3)
7202 (match-string 3 address)
7205 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
7207 (defun gnus-url-parse-query-string (query &optional downcase)
7208 (let (retval pairs cur key val)
7209 (setq pairs (split-string query "&"))
7211 (setq cur (car pairs)
7213 (if (not (string-match "=" cur))
7215 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7216 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7218 (setq key (downcase key)))
7219 (setq cur (assoc key retval))
7221 (setcdr cur (cons val (cdr cur)))
7222 (setq retval (cons (list key val) retval)))))
7225 (defun gnus-url-mailto (url)
7226 ;; Send mail to someone
7227 (when (string-match "mailto:/*\\(.*\\)" url)
7228 (setq url (substring url (match-beginning 1) nil)))
7229 (let (to args subject func)
7230 (setq args (gnus-url-parse-query-string
7231 (if (string-match "^\\?" url)
7233 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7234 (concat "to=" (match-string 1 url) "&"
7235 (match-string 2 url))
7236 (concat "to=" url)))
7238 subject (cdr-safe (assoc "subject" args)))
7241 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7244 (message-position-on-field (caar args)))
7245 (insert (gnus-replace-in-string
7246 (mapconcat 'identity (reverse (cdar args)) ", ")
7248 (setq args (cdr args)))
7251 (message-goto-subject))))
7253 (defun gnus-button-embedded-url (address)
7254 "Activate ADDRESS with `browse-url'."
7255 (browse-url (gnus-strip-whitespace address)))
7257 ;;; Next/prev buttons in the article buffer.
7259 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7260 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7262 (defvar gnus-prev-page-map
7263 (let ((map (make-sparse-keymap)))
7264 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7265 (define-key map "\r" 'gnus-button-prev-page)
7268 (defvar gnus-next-page-map
7269 (let ((map (make-sparse-keymap)))
7270 (unless (>= emacs-major-version 21)
7271 ;; XEmacs doesn't care.
7272 (set-keymap-parent map gnus-article-mode-map))
7273 (define-key map gnus-mouse-2 'gnus-button-next-page)
7274 (define-key map "\r" 'gnus-button-next-page)
7277 (defun gnus-insert-prev-page-button ()
7279 (inhibit-read-only t))
7281 gnus-prev-page-line-format nil
7282 `(keymap ,gnus-prev-page-map
7284 gnus-callback gnus-article-button-prev-page
7285 article-type annotation))
7286 (widget-convert-button
7288 ;; Exclude a newline.
7291 :action 'gnus-button-prev-page
7292 :button-keymap gnus-prev-page-map)))
7294 (defun gnus-button-next-page (&optional args more-args)
7295 "Go to the next page."
7297 (let ((win (selected-window)))
7298 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7299 (gnus-article-next-page)
7300 (select-window win)))
7302 (defun gnus-button-prev-page (&optional args more-args)
7303 "Go to the prev page."
7305 (let ((win (selected-window)))
7306 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7307 (gnus-article-prev-page)
7308 (select-window win)))
7310 (defun gnus-insert-next-page-button ()
7312 (inhibit-read-only t))
7313 (gnus-eval-format gnus-next-page-line-format nil
7314 `(keymap ,gnus-next-page-map
7316 gnus-callback gnus-article-button-next-page
7317 article-type annotation))
7318 (widget-convert-button
7320 ;; Exclude a newline.
7323 :action 'gnus-button-next-page
7324 :button-keymap gnus-next-page-map)))
7326 (defun gnus-article-button-next-page (arg)
7327 "Go to the next page."
7329 (let ((win (selected-window)))
7330 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7331 (gnus-article-next-page)
7332 (select-window win)))
7334 (defun gnus-article-button-prev-page (arg)
7335 "Go to the prev page."
7337 (let ((win (selected-window)))
7338 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7339 (gnus-article-prev-page)
7340 (select-window win)))
7342 (defvar gnus-decode-header-methods
7343 '(mail-decode-encoded-word-region)
7344 "List of methods used to decode headers.
7346 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7347 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7348 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7349 whose names match REGEXP.
7352 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7353 mail-decode-encoded-word-region
7354 (\"chinese\" . rfc1843-decode-region))
7357 (defvar gnus-decode-header-methods-cache nil)
7359 (defun gnus-multi-decode-header (start end)
7360 "Apply the functions from `gnus-encoded-word-methods' that match."
7361 (unless (and gnus-decode-header-methods-cache
7362 (eq gnus-newsgroup-name
7363 (car gnus-decode-header-methods-cache)))
7364 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7367 (nconc gnus-decode-header-methods-cache (list x))
7368 (if (and gnus-newsgroup-name
7369 (string-match (car x) gnus-newsgroup-name))
7370 (nconc gnus-decode-header-methods-cache
7372 gnus-decode-header-methods))
7373 (let ((xlist gnus-decode-header-methods-cache))
7376 (narrow-to-region start end)
7378 (funcall (pop xlist) (point-min) (point-max))))))
7381 ;;; Treatment top-level handling.
7384 (defun gnus-treat-article (condition &optional part-number total-parts type)
7385 (let ((length (- (point-max) (point-min)))
7386 (alist gnus-treatment-function-alist)
7387 (article-goto-body-goes-to-point-min-p t)
7391 (let ((list gnus-article-treat-types))
7393 (when (string-match (pop list) type)
7394 (throw 'found t)))))))
7395 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7397 (gnus-run-hooks 'gnus-part-display-hook)
7398 (dolist (elem alist)
7401 (when (gnus-buffer-live-p gnus-summary-buffer)
7402 (set-buffer gnus-summary-buffer))
7403 (symbol-value (car elem))))
7404 (when (and (or (consp val)
7406 (gnus-treat-predicate val)
7407 (or (not (get (car elem) 'highlight))
7410 (funcall (cadr elem)))))))
7412 ;; Dynamic variables.
7414 (defvar part-number)
7415 (defvar total-parts)
7420 (defun gnus-treat-predicate (val)
7427 (stringp (car val)))
7428 (apply 'gnus-or (mapcar `(lambda (s)
7429 (string-match s ,(or gnus-newsgroup-name "")))
7432 (let ((pred (pop val)))
7435 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7437 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7439 (not (gnus-treat-predicate (car val))))
7441 (equal (car val) type))
7443 (error "%S is not a valid predicate" pred)))))
7451 (eq part-number total-parts))
7455 (error "%S is not a valid value" val))))
7457 (defun gnus-article-encrypt-body (protocol &optional n)
7458 "Encrypt the article body."
7461 (or gnus-article-encrypt-protocol
7462 (completing-read "Encrypt protocol: "
7463 gnus-article-encrypt-protocol-alist
7465 current-prefix-arg))
7466 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7468 (error "Can't find the encrypt protocol %s" protocol))
7469 (if (member gnus-newsgroup-name '("nndraft:delayed"
7472 (error "Can't encrypt the article in group %s"
7473 gnus-newsgroup-name))
7474 (gnus-summary-iterate n
7476 (set-buffer gnus-summary-buffer)
7477 (let ((mail-parse-charset gnus-newsgroup-charset)
7478 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7479 (summary-buffer gnus-summary-buffer)
7481 (gnus-set-global-variables)
7482 (when (gnus-group-read-only-p)
7483 (error "The current newsgroup does not support article encrypt"))
7484 (gnus-summary-show-article t)
7486 (or (mail-header-references gnus-current-headers) ""))
7487 (set-buffer gnus-article-buffer)
7488 (let* ((inhibit-read-only t)
7490 (mapcar (lambda (field)
7491 (and (save-restriction
7492 (message-narrow-to-head)
7493 (goto-char (point-min))
7494 (search-forward field nil t))
7496 (message-narrow-to-field)
7498 (delete-region (point-min) (point-max))
7500 '("Content-Type:" "Content-Transfer-Encoding:"
7501 "Content-Disposition:"))))
7502 (message-narrow-to-head)
7503 (message-remove-header "MIME-Version")
7504 (goto-char (point-max))
7505 (setq point (point))
7506 (insert (apply 'concat headers))
7508 (narrow-to-region point (point-max))
7509 (let ((message-options message-options))
7510 (message-options-set 'message-sender user-mail-address)
7511 (message-options-set 'message-recipients user-mail-address)
7512 (message-options-set 'message-sign-encrypt 'not)
7514 (goto-char (point-min))
7515 (insert "MIME-Version: 1.0\n")
7517 (gnus-summary-edit-article-done
7518 references nil summary-buffer t))
7519 (when gnus-keep-backlog
7520 (gnus-backlog-remove-article
7521 (car gnus-article-current) (cdr gnus-article-current)))
7523 (when (get-buffer gnus-original-article-buffer)
7524 (set-buffer gnus-original-article-buffer)
7525 (setq gnus-original-article nil)))
7526 (when gnus-use-cache
7527 (gnus-cache-update-article
7528 (car gnus-article-current) (cdr gnus-article-current))))))))
7530 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7531 "The following specs can be used:
7532 %t The security MIME type
7535 %D Details if button is pressed")
7537 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7538 "The following specs can be used:
7539 %t The security MIME type
7542 %D Details if button is pressed")
7544 (defvar gnus-mime-security-button-line-format-alist
7545 '((?t gnus-tmp-type ?s)
7546 (?i gnus-tmp-info ?s)
7547 (?d gnus-tmp-details ?s)
7548 (?D gnus-tmp-pressed-details ?s)))
7550 (defvar gnus-mime-security-button-commands
7551 '((gnus-article-press-button "\r" "Show Detail")
7555 (gnus-mime-security-save-part "o" "Save...")
7564 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
7567 (defvar gnus-mime-security-button-map
7568 (let ((map (make-sparse-keymap)))
7569 (define-key map gnus-mouse-2 'gnus-article-push-button)
7570 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
7571 (dolist (c gnus-mime-security-button-commands)
7572 (define-key map (cadr c) (car c)))
7576 gnus-mime-security-button-menu gnus-mime-security-button-map
7577 "Security button menu."
7581 (unless (eq (car c) 'undefined)
7582 (vector (caddr c) (car c) :enable t)))
7583 gnus-mime-security-button-commands))))
7585 (defun gnus-mime-security-button-menu (event prefix)
7586 "Construct a context-sensitive menu of security commands."
7587 (interactive "e\nP")
7588 (save-window-excursion
7589 (let ((pos (event-start event)))
7590 (select-window (posn-window pos))
7591 (goto-char (posn-point pos))
7592 (gnus-article-check-buffer)
7593 (popup-menu gnus-mime-security-button-menu nil prefix))))
7595 (defvar gnus-mime-security-details-buffer nil)
7597 (defvar gnus-mime-security-button-pressed nil)
7599 (defvar gnus-mime-security-show-details-inline t
7600 "If non-nil, show details in the article buffer.")
7602 (defun gnus-mime-security-verify-or-decrypt (handle)
7603 (mm-remove-parts (cdr handle))
7604 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7605 point (inhibit-read-only t))
7607 (goto-char (car region)))
7609 (narrow-to-region (point) (point))
7610 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7611 (let* ((mm-verify-option 'known)
7612 (mm-decrypt-option 'known)
7613 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7614 (unless (eq nparts (cdr handle))
7615 (mm-destroy-parts (cdr handle))
7616 (setcdr handle nparts))))
7617 (setq point (point))
7618 (gnus-mime-display-security handle)
7619 (goto-char (point-max)))
7621 (delete-region (point) (cdr region))
7622 (set-marker (car region) nil)
7623 (set-marker (cdr region) nil))
7626 (defun gnus-mime-security-show-details (handle)
7627 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7629 (gnus-message 5 "No details.")
7630 (if gnus-mime-security-show-details-inline
7631 (let ((gnus-mime-security-button-pressed
7632 (not (get-text-property (point) 'gnus-mime-details)))
7633 (gnus-mime-security-button-line-format
7634 (get-text-property (point) 'gnus-line-format))
7635 (inhibit-read-only t))
7637 (while (eq (get-text-property (point) 'gnus-line-format)
7638 gnus-mime-security-button-line-format)
7642 (narrow-to-region (point) (point))
7643 (gnus-insert-mime-security-button handle))
7644 (delete-region (point)
7645 (or (text-property-not-all
7648 gnus-mime-security-button-line-format)
7651 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7652 (with-current-buffer gnus-mime-security-details-buffer
7655 (setq gnus-mime-security-details-buffer
7656 (gnus-get-buffer-create "*MIME Security Details*")))
7657 (with-current-buffer gnus-mime-security-details-buffer
7659 (goto-char (point-min)))
7660 (pop-to-buffer gnus-mime-security-details-buffer)))))
7662 (defun gnus-mime-security-press-button (handle)
7664 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7665 (gnus-mime-security-show-details handle)
7666 (gnus-mime-security-verify-or-decrypt handle))))
7668 (defun gnus-insert-mime-security-button (handle &optional displayed)
7669 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7672 (or (nth 2 (assoc protocol mm-verify-function-alist))
7673 (nth 2 (assoc protocol mm-decrypt-function-alist))
7675 (if (equal (car handle) "multipart/signed")
7676 " Signed" " Encrypted")
7679 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7682 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7683 gnus-tmp-pressed-details
7685 (setq gnus-tmp-details
7686 (if gnus-tmp-details
7687 (concat "\n" gnus-tmp-details)
7689 (setq gnus-tmp-pressed-details
7690 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7695 gnus-mime-security-button-line-format
7696 gnus-mime-security-button-line-format-alist
7697 `(keymap ,gnus-mime-security-button-map
7698 gnus-callback gnus-mime-security-press-button
7699 gnus-line-format ,gnus-mime-security-button-line-format
7700 gnus-mime-details ,gnus-mime-security-button-pressed
7701 article-type annotation
7704 ;; Exclude a newline.
7707 (widget-convert-button
7710 :action 'gnus-widget-press-button
7711 :button-keymap gnus-mime-security-button-map
7713 (lambda (widget/window &optional overlay pos)
7714 ;; Needed to properly clear the message due to a bug in
7715 ;; wid-edit (XEmacs only).
7716 (when (boundp 'help-echo-owns-message)
7717 (setq help-echo-owns-message t))
7719 "%S: show detail; %S: more options"
7720 (aref gnus-mouse-2 0)
7721 (aref gnus-down-mouse-3 0))))))
7723 (defun gnus-mime-display-security (handle)
7725 (narrow-to-region (point) (point))
7726 (unless (gnus-unbuttonized-mime-type-p (car handle))
7727 (gnus-insert-mime-security-button handle))
7728 (gnus-mime-display-part (cadr handle))
7731 (unless (gnus-unbuttonized-mime-type-p (car handle))
7732 (let ((gnus-mime-security-button-line-format
7733 gnus-mime-security-button-end-line-format))
7734 (gnus-insert-mime-security-button handle)))
7735 (mm-set-handle-multipart-parameter
7737 (cons (set-marker (make-marker) (point-min))
7738 (set-marker (make-marker) (point-max))))))
7740 (defun gnus-mime-security-run-function (function)
7741 "Run FUNCTION with the security part under point."
7742 (gnus-article-check-buffer)
7743 (let ((data (get-text-property (point) 'gnus-data))
7745 (when (and (stringp (car-safe data))
7746 (setq buffer (mm-handle-multipart-original-buffer data))
7747 (setq handle (cadr data)))
7748 (if (bufferp (mm-handle-buffer handle))
7750 (setq handle (cons buffer (copy-sequence (cdr handle))))
7751 (mm-handle-set-undisplayer handle nil))
7752 (setq handle (mm-make-handle
7754 (mm-handle-multipart-ctl-parameter handle 'protocol)
7755 nil nil nil nil nil nil)))
7756 (funcall function handle))))
7758 (defun gnus-mime-security-save-part ()
7759 "Save the security part under point."
7761 (gnus-mime-security-run-function 'mm-save-part))
7763 (defun gnus-mime-security-pipe-part ()
7764 "Pipe the security part under point to a process."
7766 (gnus-mime-security-run-function 'mm-pipe-part))
7772 (run-hooks 'gnus-art-load-hook)
7774 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7775 ;;; gnus-art.el ends here