1 ;;; gnus-art.el --- article mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Katsumi Yamaoka <yamaoka@jpl.org>
8 ;; Keywords: mail, news, MIME
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25 ;; Boston, MA 02110-1301, USA.
34 (defvar tool-bar-map))
38 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
40 (let ((recursive-load-depth-limit 100))
47 (when (static-if (featurep 'xemacs)
48 (console-on-window-system-p)
50 (require 'mime-image))
53 ;; Avoid byte-compile warnings.
63 (autoload 'gnus-msg-mail "gnus-msg" nil t)
64 (autoload 'gnus-button-mailto "gnus-msg")
65 (autoload 'gnus-button-reply "gnus-msg" nil t)
66 (autoload 'parse-time-string "parse-time" nil nil)
67 (autoload 'ansi-color-apply-on-region "ansi-color")
69 (defgroup gnus-article nil
71 :link '(custom-manual "(gnus)Article Buffer")
74 (defgroup gnus-article-treat nil
75 "Treating article parts."
76 :link '(custom-manual "(gnus)Article Hiding")
79 (defgroup gnus-article-hiding nil
80 "Hiding article parts."
81 :link '(custom-manual "(gnus)Article Hiding")
84 (defgroup gnus-article-highlight nil
85 "Article highlighting."
86 :link '(custom-manual "(gnus)Article Highlighting")
90 (defgroup gnus-article-signature nil
92 :link '(custom-manual "(gnus)Article Signature")
95 (defgroup gnus-article-headers nil
97 :link '(custom-manual "(gnus)Hiding Headers")
100 (defgroup gnus-article-washing nil
101 "Special commands on articles."
102 :link '(custom-manual "(gnus)Article Washing")
103 :group 'gnus-article)
105 (defgroup gnus-article-emphasis nil
106 "Fontisizing articles."
107 :link '(custom-manual "(gnus)Article Fontisizing")
108 :group 'gnus-article)
110 (defgroup gnus-article-saving nil
112 :link '(custom-manual "(gnus)Saving Articles")
113 :group 'gnus-article)
115 (defgroup gnus-article-mime nil
116 "Worshiping the MIME wonder."
117 :link '(custom-manual "(gnus)Using MIME")
118 :group 'gnus-article)
120 (defgroup gnus-article-buttons nil
121 "Pushable buttons in the article buffer."
122 :link '(custom-manual "(gnus)Article Buttons")
123 :group 'gnus-article)
125 (defgroup gnus-article-various nil
126 "Other article options."
127 :link '(custom-manual "(gnus)Misc Article")
128 :group 'gnus-article)
130 (defcustom gnus-ignored-headers
133 (concat "^" header ":"))
134 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
135 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
136 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
137 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
138 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
139 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
140 "X-Attribution" "X-Originating-IP" "Delivered-To"
141 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
142 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
143 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
144 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
145 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
146 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
147 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
148 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
149 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
150 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
151 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
152 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
153 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
154 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
155 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
156 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
157 "List-[A-Za-z]+" "X-Listprocessor-Version"
158 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
159 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
160 "X-Received" "Content-length" "X-precedence"
161 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
162 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
163 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
164 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
165 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
166 "X-Content-length" "X-Posting-Agent" "Original-Received"
167 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
168 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
169 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
170 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
171 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
172 "*All headers that start with this regexp will be hidden.
173 This variable can also be a list of regexps of headers to be ignored.
174 If `gnus-visible-headers' is non-nil, this variable will be ignored."
175 :type '(choice :custom-show nil
178 :group 'gnus-article-hiding)
180 (defcustom gnus-visible-headers
181 "^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:"
182 "*All headers that do not match this regexp will be hidden.
183 This variable can also be a list of regexp of headers to remain visible.
184 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
185 :type '(repeat :value-to-internal (lambda (widget value)
186 (custom-split-regexp-maybe value))
187 :match (lambda (widget value)
189 (widget-editable-list-match widget value)))
191 :group 'gnus-article-hiding)
193 (defcustom gnus-sorted-header-list
194 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
195 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
196 "*This variable is a list of regular expressions.
197 If it is non-nil, headers that match the regular expressions will
198 be placed first in the article buffer in the sequence specified by
200 :type '(repeat regexp)
201 :group 'gnus-article-hiding)
203 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
204 "Headers that are only to be displayed if they have interesting data.
205 Possible values in this list are:
207 'empty Headers with no content.
208 'newsgroups Newsgroup identical to Gnus group.
209 'to-address To identical to To-address.
210 'to-list To identical to To-list.
211 'cc-list CC identical to To-list.
212 'followup-to Followup-to identical to Newsgroups.
213 'reply-to Reply-to identical to From.
214 'date Date less than four days old.
215 'long-to To and/or Cc longer than 1024 characters.
216 'many-to Multiple To and/or Cc."
217 :type '(set (const :tag "Headers with no content." empty)
218 (const :tag "Newsgroups identical to Gnus group." newsgroups)
219 (const :tag "To identical to To-address." to-address)
220 (const :tag "To identical to To-list." to-list)
221 (const :tag "CC identical to To-list." cc-list)
222 (const :tag "Followup-to identical to Newsgroups." followup-to)
223 (const :tag "Reply-to identical to From." reply-to)
224 (const :tag "Date less than four days old." date)
225 (const :tag "To and/or Cc longer than 1024 characters." long-to)
226 (const :tag "Multiple To and/or Cc headers." many-to))
227 :group 'gnus-article-hiding)
229 (defcustom gnus-article-skip-boring nil
230 "Skip over text that is not worth reading.
231 By default, if you set this t, then Gnus will display citations and
232 signatures, but will never scroll down to show you a page consisting
233 only of boring text. Boring text is controlled by
234 `gnus-article-boring-faces'."
237 :group 'gnus-article-hiding)
239 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
240 "Regexp matching signature separator.
241 This can also be a list of regexps. In that case, it will be checked
242 from head to tail looking for a separator. Searches will be done from
243 the end of the buffer."
244 :type '(repeat string)
245 :group 'gnus-article-signature)
247 (defcustom gnus-signature-limit nil
248 "Provide a limit to what is considered a signature.
249 If it is a number, no signature may not be longer (in characters) than
250 that number. If it is a floating point number, no signature may be
251 longer (in lines) than that number. If it is a function, the function
252 will be called without any parameters, and if it returns nil, there is
253 no signature in the buffer. If it is a string, it will be used as a
254 regexp. If it matches, the text in question is not a signature.
256 This can also be a list of the above values."
257 :type '(choice (integer :value 200)
259 (function :value fun)
260 (regexp :value ".*"))
261 :group 'gnus-article-signature)
263 (defcustom gnus-hidden-properties '(invisible t intangible t)
264 "Property list to use for hiding text."
266 :group 'gnus-article-hiding)
268 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
269 ;; frames in a session.
270 (defcustom gnus-article-x-face-command
275 (if (or (gnus-image-type-available-p 'xface)
276 (gnus-image-type-available-p 'pbm))
277 'gnus-display-x-face-in-from
278 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -"))
279 ((gnus-image-type-available-p 'pbm)
280 'gnus-display-x-face-in-from)
282 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
284 "*String or function to be executed to display an X-Face header.
285 If it is a string, the command will be executed in a sub-shell
286 asynchronously. The compressed face will be piped to this command."
288 :format "%{%t%}:\n%[Value Menu%] %v"
292 (if (or (gnus-image-type-available-p 'xface)
293 (gnus-image-type-available-p 'pbm))
294 '(function-item gnus-display-x-face-in-from))
298 :group 'gnus-article-washing)
300 (defcustom gnus-article-x-face-too-ugly nil
301 "Regexp matching posters whose face shouldn't be shown automatically."
302 :type '(choice regexp (const nil))
303 :group 'gnus-article-washing)
305 (defcustom gnus-article-banner-alist nil
306 "Banner alist for stripping.
308 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
310 :type '(repeat (cons symbol regexp))
311 :group 'gnus-article-washing)
313 (gnus-define-group-parameter
316 "Alist of regexps (to match group names) and banner."
317 :variable-group gnus-article-washing
319 '(choice :tag "Banner"
321 (const :tag "Remove signature" signature)
322 (symbol :tag "Item in `gnus-article-banner-alist'" none)
324 (const :tag "None" nil))
326 "If non-nil, specify how to remove `banners' from articles.
328 Symbol `signature' means to remove signatures delimited by
329 `gnus-signature-separator'. Any other symbol is used to look up a
330 regular expression to match the banner in `gnus-article-banner-alist'.
331 A string is used as a regular expression to match the banner
334 (defcustom gnus-article-address-banner-alist nil
335 "Alist of mail addresses and banners.
336 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
337 to match a mail address in the From: header, BANNER is one of a symbol
338 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
339 If ADDRESS matches author's mail address, it will remove things like
340 advertisements. For example:
342 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
346 (regexp :tag "Address")
347 (choice :tag "Banner" :value nil
348 (const :tag "Remove signature" signature)
349 (symbol :tag "Item in `gnus-article-banner-alist'" none)
351 (const :tag "None" nil))))
353 :group 'gnus-article-washing)
355 (defmacro gnus-emphasis-custom-with-format (&rest body)
357 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
358 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
361 (defun gnus-emphasis-custom-value-to-external (value)
362 (gnus-emphasis-custom-with-format
363 (if (consp (car value))
364 (list (format format (car (car value)) (cdr (car value)))
366 (if (nth 1 value) 2 3)
370 (defun gnus-emphasis-custom-value-to-internal (value)
371 (gnus-emphasis-custom-with-format
372 (let ((regexp (concat "\\`"
373 (format (regexp-quote format)
374 "\\([^()]+\\)" "\\([^()]+\\)")
377 (if (string-match regexp (setq pattern (car value)))
378 (list (cons (match-string 1 pattern) (match-string 2 pattern))
383 (defcustom gnus-emphasis-alist
385 '(("\\*" "\\*" bold nil 2)
388 ("_/" "/_" underline-italic)
389 ("_\\*" "\\*_" underline-bold)
390 ("\\*/" "/\\*" bold-italic)
391 ("_\\*/" "/\\*_" underline-bold-italic))))
393 (gnus-emphasis-custom-with-format
394 (mapcar (lambda (spec)
395 (list (format format (car spec) (cadr spec))
398 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
400 '(;; I've never seen anyone use this strikethru convention whereas I've
401 ;; several times seen it triggered by normal text. --Stef
402 ;; Miles suggests that this form is sometimes used but for italics,
403 ;; so maybe we should map it to `italic'.
404 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
405 ;; 2 3 gnus-emphasis-strikethru)
406 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
407 2 3 gnus-emphasis-underline))))
408 "*Alist that says how to fontify certain phrases.
409 Each item looks like this:
411 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
413 The first element is a regular expression to be matched. The second
414 is a number that says what regular expression grouping used to find
415 the entire emphasized word. The third is a number that says what
416 regexp grouping should be displayed and highlighted. The fourth
417 is the face used for highlighting."
421 :format "%[Customizing Style%]\n%v"
423 (group :tag "Default"
424 :value ("" 0 0 default)
427 (let ((value (widget-get
428 (cadr (widget-get (widget-get widget :parent)
431 (if (not (eq (nth 2 value) 'default))
435 (gnus-emphasis-custom-value-to-external value))))
436 (widget-group-value-create widget))
438 (integer :format "Match group: %v")
439 (integer :format "Emphasize group: %v")
442 :value (("_" . "_") nil default)
444 (regexp :format "Start regexp: %v")
445 (regexp :format "End regexp: %v"))
446 (boolean :format "Show start and end patterns: %[%v%]\n"
447 :on " On " :off " Off ")
449 :get (lambda (symbol)
450 (mapcar 'gnus-emphasis-custom-value-to-internal
451 (default-value symbol)))
452 :set (lambda (symbol value)
453 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
455 :group 'gnus-article-emphasis)
457 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
458 "A regexp to describe whitespace which should not be emphasized.
459 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
460 The former avoids underlining of leading and trailing whitespace,
461 and the latter avoids underlining any whitespace at all."
463 :group 'gnus-article-emphasis
466 (defface gnus-emphasis-bold '((t (:bold t)))
467 "Face used for displaying strong emphasized text (*word*)."
468 :group 'gnus-article-emphasis)
470 (defface gnus-emphasis-italic '((t (:italic t)))
471 "Face used for displaying italic emphasized text (/word/)."
472 :group 'gnus-article-emphasis)
474 (defface gnus-emphasis-underline '((t (:underline t)))
475 "Face used for displaying underlined emphasized text (_word_)."
476 :group 'gnus-article-emphasis)
478 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
479 "Face used for displaying underlined bold emphasized text (_*word*_)."
480 :group 'gnus-article-emphasis)
482 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
483 "Face used for displaying underlined italic emphasized text (_/word/_)."
484 :group 'gnus-article-emphasis)
486 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
487 "Face used for displaying bold italic emphasized text (/*word*/)."
488 :group 'gnus-article-emphasis)
490 (defface gnus-emphasis-underline-bold-italic
491 '((t (:bold t :italic t :underline t)))
492 "Face used for displaying underlined bold italic emphasized text.
493 Example: (_/*word*/_)."
494 :group 'gnus-article-emphasis)
496 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
497 '((t (:strikethru t)))
498 '((t (:strike-through t))))
499 "Face used for displaying strike-through text (-word-)."
500 :group 'gnus-article-emphasis)
502 (defface gnus-emphasis-highlight-words
503 '((t (:background "black" :foreground "yellow")))
504 "Face used for displaying highlighted words."
505 :group 'gnus-article-emphasis)
507 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
508 "Format for display of Date headers in article bodies.
509 See `format-time-string' for the possible values.
511 The variable can also be function, which should return a complete Date
512 header. The function is called with one argument, the time, which can
513 be fed to `format-time-string'."
514 :type '(choice string function)
515 :link '(custom-manual "(gnus)Article Date")
516 :group 'gnus-article-washing)
518 (defcustom gnus-save-all-headers t
519 "*If non-nil, don't remove any headers before saving."
520 :group 'gnus-article-saving
523 (defcustom gnus-prompt-before-saving 'always
524 "*This variable says how much prompting is to be done when saving articles.
525 If it is nil, no prompting will be done, and the articles will be
526 saved to the default files. If this variable is `always', each and
527 every article that is saved will be preceded by a prompt, even when
528 saving large batches of articles. If this variable is neither nil not
529 `always', there the user will be prompted once for a file name for
530 each invocation of the saving commands."
531 :group 'gnus-article-saving
532 :type '(choice (item always)
533 (item :tag "never" nil)
534 (sexp :tag "once" :format "%t\n" :value t)))
536 (defcustom gnus-saved-headers gnus-visible-headers
537 "Headers to keep if `gnus-save-all-headers' is nil.
538 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
539 If that variable is nil, however, all headers that match this regexp
540 will be kept while the rest will be deleted before saving."
541 :group 'gnus-article-saving
544 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
545 "A function to save articles in your favourite format.
546 The function must be interactively callable (in other words, it must
547 be an Emacs command).
549 Gnus provides the following functions:
551 * gnus-summary-save-in-rmail (Rmail format)
552 * gnus-summary-save-in-mail (Unix mail format)
553 * gnus-summary-save-in-folder (MH folder)
554 * gnus-summary-save-in-file (article format)
555 * gnus-summary-save-body-in-file (article body)
556 * gnus-summary-save-in-vm (use VM's folder format)
557 * gnus-summary-write-to-file (article format -- overwrite)."
558 :group 'gnus-article-saving
559 :type '(radio (function-item gnus-summary-save-in-rmail)
560 (function-item gnus-summary-save-in-mail)
561 (function-item gnus-summary-save-in-folder)
562 (function-item gnus-summary-save-in-file)
563 (function-item gnus-summary-save-body-in-file)
564 (function-item gnus-summary-save-in-vm)
565 (function-item gnus-summary-write-to-file)))
567 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
568 "A function generating a file name to save articles in Rmail format.
569 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
570 :group 'gnus-article-saving
573 (defcustom gnus-mail-save-name 'gnus-plain-save-name
574 "A function generating a file name to save articles in Unix mail format.
575 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
576 :group 'gnus-article-saving
579 (defcustom gnus-folder-save-name 'gnus-folder-save-name
580 "A function generating a file name to save articles in MH folder.
581 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
582 :group 'gnus-article-saving
585 (defcustom gnus-file-save-name 'gnus-numeric-save-name
586 "A function generating a file name to save articles in article format.
587 The function is called with NEWSGROUP, HEADERS, and optional
589 :group 'gnus-article-saving
592 (defcustom gnus-split-methods
593 '((gnus-article-archive-name)
594 (gnus-article-nndoc-name))
595 "*Variable used to suggest where articles are to be saved.
596 For instance, if you would like to save articles related to Gnus in
597 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
598 you could set this variable to something like:
600 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
601 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
603 This variable is an alist where the key is the match and the
604 value is a list of possible files to save in if the match is
607 If the match is a string, it is used as a regexp match on the
608 article. If the match is a symbol, that symbol will be funcalled
609 from the buffer of the article to be saved with the newsgroup as
610 the parameter. If it is a list, it will be evaled in the same
613 If this form or function returns a string, this string will be
614 used as a possible file name; and if it returns a non-nil list,
615 that list will be used as possible file names."
616 :group 'gnus-article-saving
617 :type '(repeat (choice (list :value (fun) function)
618 (cons :value ("" "") regexp (repeat string))
621 (defcustom gnus-article-display-method-for-mime
622 'gnus-article-display-mime-message
623 "Function to display a MIME message.
624 The function is called from the article buffer."
625 :group 'gnus-article-mime
628 (defcustom gnus-article-display-method-for-traditional
629 'gnus-article-display-traditional-message
630 "*Function to display a traditional message.
631 The function is called from the article buffer."
632 :group 'gnus-article-mime
635 (defcustom gnus-page-delimiter "^\^L"
636 "*Regexp describing what to use as article page delimiters.
637 The default value is \"^\^L\", which is a form linefeed at the
638 beginning of a line."
640 :group 'gnus-article-various)
642 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
643 "*The format specification for the article mode line.
644 See `gnus-summary-mode-line-format' for a closer description.
646 The following additional specs are available:
648 %w The article washing status.
649 %m The number of MIME parts in the article."
651 :group 'gnus-article-various)
653 (defcustom gnus-article-mode-hook nil
654 "*A hook for Gnus article mode."
656 :group 'gnus-article-various)
658 (when (featurep 'xemacs)
659 ;; Extracted from gnus-xmas-define in order to preserve user settings
660 (when (fboundp 'turn-off-scroll-in-place)
661 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
662 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
663 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
665 (defcustom gnus-article-menu-hook nil
666 "*Hook run after the creation of the article mode menu."
668 :group 'gnus-article-various)
670 (defcustom gnus-article-prepare-hook nil
671 "*A hook called after an article has been prepared in the article buffer."
673 :group 'gnus-article-various)
675 (defcustom gnus-copy-article-ignored-headers nil
676 "List of headers to be removed when copying an article.
677 Each element is a regular expression."
678 :version "23.0" ;; No Gnus
679 :type '(repeat regexp)
680 :group 'gnus-article-various)
682 (make-obsolete-variable 'gnus-article-hide-pgp-hook
683 "This variable is obsolete in Gnus 5.10.")
685 (defcustom gnus-article-button-face 'bold
686 "Face used for highlighting buttons in the article buffer.
688 An article button is a piece of text that you can activate by pressing
689 `RET' or `mouse-2' above it."
691 :group 'gnus-article-buttons)
693 (defcustom gnus-article-mouse-face 'highlight
694 "Face used for mouse highlighting in the article buffer.
696 Article buttons will be displayed in this face when the cursor is
699 :group 'gnus-article-buttons)
701 (defcustom gnus-signature-face 'gnus-signature
702 "Face used for highlighting a signature in the article buffer.
703 Obsolete; use the face `gnus-signature' for customizations instead."
705 :group 'gnus-article-highlight
706 :group 'gnus-article-signature)
708 (defface gnus-signature
711 "Face used for highlighting a signature in the article buffer."
712 :group 'gnus-article-highlight
713 :group 'gnus-article-signature)
714 ;; backward-compatibility alias
715 (put 'gnus-signature-face 'face-alias 'gnus-signature)
717 (defface gnus-header-from
720 (:foreground "spring green"))
723 (:foreground "red3"))
726 "Face used for displaying from headers."
727 :group 'gnus-article-headers
728 :group 'gnus-article-highlight)
729 ;; backward-compatibility alias
730 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
732 (defface gnus-header-subject
735 (:foreground "SeaGreen3"))
738 (:foreground "red4"))
740 (:bold t :italic t)))
741 "Face used for displaying subject headers."
742 :group 'gnus-article-headers
743 :group 'gnus-article-highlight)
744 ;; backward-compatibility alias
745 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
747 (defface gnus-header-newsgroups
750 (:foreground "yellow" :italic t))
753 (:foreground "MidnightBlue" :italic t))
756 "Face used for displaying newsgroups headers.
757 In the default setup this face is only used for crossposted
759 :group 'gnus-article-headers
760 :group 'gnus-article-highlight)
761 ;; backward-compatibility alias
762 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
764 (defface gnus-header-name
767 (:foreground "SeaGreen"))
770 (:foreground "maroon"))
773 "Face used for displaying header names."
774 :group 'gnus-article-headers
775 :group 'gnus-article-highlight)
776 ;; backward-compatibility alias
777 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
779 (defface gnus-header-content
782 (:foreground "forest green" :italic t))
785 (:foreground "indianred4" :italic t))
788 "Face used for displaying header content."
789 :group 'gnus-article-headers
790 :group 'gnus-article-highlight)
791 ;; backward-compatibility alias
792 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
794 (defcustom gnus-header-face-alist
795 '(("From" nil gnus-header-from)
796 ("Subject" nil gnus-header-subject)
797 ("Newsgroups:.*," nil gnus-header-newsgroups)
798 ("" gnus-header-name gnus-header-content))
799 "*Controls highlighting of article headers.
801 An alist of the form (HEADER NAME CONTENT).
803 HEADER is a regular expression which should match the name of a
804 header and NAME and CONTENT are either face names or nil.
806 The name of each header field will be displayed using the face
807 specified by the first element in the list where HEADER matches
808 the header name and NAME is non-nil. Similarly, the content will
809 be displayed by the first non-nil matching CONTENT face."
810 :group 'gnus-article-headers
811 :group 'gnus-article-highlight
812 :type '(repeat (list (regexp :tag "Header")
814 (item :tag "skip" nil)
815 (face :value default))
816 (choice :tag "Content"
817 (item :tag "skip" nil)
818 (face :value default)))))
820 (defcustom gnus-article-decode-hook
821 '(article-decode-group-name article-decode-idna-rhs)
822 "*Hook run to decode charsets in articles."
823 :group 'gnus-article-headers
826 (defcustom gnus-display-mime-function 'gnus-display-mime
827 "Function to display MIME articles."
828 :group 'gnus-article-mime
831 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
832 "Function used to decode headers.")
834 (defvar gnus-article-dumbquotes-map
854 "Table for MS-to-Latin1 translation.")
856 (defcustom gnus-ignored-mime-types nil
857 "List of MIME types that should be ignored by Gnus."
859 :group 'gnus-article-mime
860 :type '(repeat regexp))
862 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
863 "List of MIME types that should not be given buttons when rendered inline.
864 See also `gnus-buttonized-mime-types' which may override this variable.
865 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
867 :group 'gnus-article-mime
868 :type '(repeat regexp))
870 (defcustom gnus-buttonized-mime-types nil
871 "List of MIME types that should be given buttons when rendered inline.
872 If set, this variable overrides `gnus-unbuttonized-mime-types'.
873 To see e.g. security buttons you could set this to
874 `(\"multipart/signed\")'.
875 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
877 :group 'gnus-article-mime
878 :type '(repeat regexp))
880 (defcustom gnus-inhibit-mime-unbuttonizing nil
881 "If non-nil, all MIME parts get buttons.
882 When nil (the default value), then some MIME parts do not get buttons,
883 as described by the variables `gnus-buttonized-mime-types' and
884 `gnus-unbuttonized-mime-types'."
886 :group 'gnus-article-mime
889 (defcustom gnus-body-boundary-delimiter "_"
890 "String used to delimit header and body.
891 This variable is used by `gnus-article-treat-body-boundary' which can
892 be controlled by `gnus-treat-body-boundary'."
894 :group 'gnus-article-various
895 :type '(choice (item :tag "None" :value nil)
898 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
900 "Defines the location of the faces database.
901 For information on obtaining this database of pretty pictures, please
902 see http://www.cs.indiana.edu/picons/ftp/index.html"
904 :type '(repeat directory)
905 :link '(url-link :tag "download"
906 "http://www.cs.indiana.edu/picons/ftp/index.html")
907 :link '(custom-manual "(gnus)Picons")
910 (defun gnus-picons-installed-p ()
911 "Say whether picons are installed on your machine."
912 (let ((installed nil))
913 (dolist (database gnus-picon-databases)
914 (when (file-exists-p database)
918 (defcustom gnus-article-mime-part-function nil
919 "Function called with a MIME handle as the argument.
920 This is meant for people who want to do something automatic based
921 on parts -- for instance, adding Vcard info to a database."
922 :group 'gnus-article-mime
925 (defcustom gnus-mime-multipart-functions nil
926 "An alist of MIME types to functions to display them."
928 :group 'gnus-article-mime
929 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
931 (defcustom gnus-article-date-lapsed-new-header nil
932 "Whether the X-Sent and Date headers can coexist.
933 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
934 either replace the old \"Date:\" header (if this variable is nil), or
935 be added below it (otherwise)."
937 :group 'gnus-article-headers
940 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
941 "Function called with a MIME handle as the argument.
942 This is meant for people who want to view first matched part.
943 For `undisplayed-alternative' (default), the first undisplayed
944 part or alternative part is used. For `undisplayed', the first
945 undisplayed part is used. For a function, the first part which
946 the function return t is used. For nil, the first part is
949 :group 'gnus-article-mime
951 (item :tag "first" :value nil)
952 (item :tag "undisplayed" :value undisplayed)
953 (item :tag "undisplayed or alternative"
954 :value undisplayed-alternative)
957 (defcustom gnus-mime-action-alist
958 '(("save to file" . gnus-mime-save-part)
959 ("save and strip" . gnus-mime-save-part-and-strip)
960 ("delete part" . gnus-mime-delete-part)
961 ("display as text" . gnus-mime-inline-part)
962 ("view the part" . gnus-mime-view-part)
963 ("pipe to command" . gnus-mime-pipe-part)
964 ("toggle display" . gnus-article-press-button)
965 ("toggle display" . gnus-article-view-part-as-charset)
966 ("view as type" . gnus-mime-view-part-as-type)
967 ("view internally" . gnus-mime-view-part-internally)
968 ("view externally" . gnus-mime-view-part-externally))
969 "An alist of actions that run on the MIME attachment."
970 :group 'gnus-article-mime
971 :type '(repeat (cons (string :tag "name")
975 ;;; The treatment variables
978 (defvar gnus-part-display-hook nil
979 "Hook called on parts that are to receive treatment.")
981 (defvar gnus-article-treat-custom
982 '(choice (const :tag "Off" nil)
984 (const :tag "Header" head)
985 (const :tag "Last" last)
986 (const :tag "Mime" mime)
987 (integer :tag "Less")
988 (repeat :tag "Groups" regexp)
989 (sexp :tag "Predicate")))
991 (defvar gnus-article-treat-head-custom
992 '(choice (const :tag "Off" nil)
993 (const :tag "Header" head)))
995 (defvar gnus-article-treat-types '("text/plain")
998 (defvar gnus-inhibit-treatment nil
999 "Whether to inhibit treatment.")
1001 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1002 "Highlight the signature.
1003 Valid values are nil, t, `head', `last', an integer or a predicate.
1004 See Info node `(gnus)Customizing Articles'."
1005 :group 'gnus-article-treat
1006 :link '(custom-manual "(gnus)Customizing Articles")
1007 :type gnus-article-treat-custom)
1008 (put 'gnus-treat-highlight-signature 'highlight t)
1010 (defcustom gnus-treat-buttonize 100000
1012 Valid values are nil, t, `head', `last', an integer or a predicate.
1013 See Info node `(gnus)Customizing Articles'."
1014 :group 'gnus-article-treat
1015 :link '(custom-manual "(gnus)Customizing Articles")
1016 :type gnus-article-treat-custom)
1017 (put 'gnus-treat-buttonize 'highlight t)
1019 (defcustom gnus-treat-buttonize-head 'head
1020 "Add buttons to the head.
1021 Valid values are nil, t, `head', `last', an integer or a predicate.
1022 See Info node `(gnus)Customizing Articles' for details."
1023 :group 'gnus-article-treat
1024 :link '(custom-manual "(gnus)Customizing Articles")
1025 :type gnus-article-treat-head-custom)
1026 (put 'gnus-treat-buttonize-head 'highlight t)
1028 (defcustom gnus-treat-emphasize
1029 (and (or window-system
1033 Valid values are nil, t, `head', `last', an integer or a predicate.
1034 See Info node `(gnus)Customizing Articles' for details."
1035 :group 'gnus-article-treat
1036 :link '(custom-manual "(gnus)Customizing Articles")
1037 :type gnus-article-treat-custom)
1038 (put 'gnus-treat-emphasize 'highlight t)
1040 (defcustom gnus-treat-strip-cr nil
1041 "Remove carriage returns.
1042 Valid values are nil, t, `head', `last', an integer or a predicate.
1043 See Info node `(gnus)Customizing Articles' for details."
1045 :group 'gnus-article-treat
1046 :link '(custom-manual "(gnus)Customizing Articles")
1047 :type gnus-article-treat-custom)
1049 (defcustom gnus-treat-unsplit-urls nil
1050 "Remove newlines from within URLs.
1051 Valid values are nil, t, `head', `last', an integer or a predicate.
1052 See Info node `(gnus)Customizing Articles' for details."
1054 :group 'gnus-article-treat
1055 :link '(custom-manual "(gnus)Customizing Articles")
1056 :type gnus-article-treat-custom)
1058 (defcustom gnus-treat-leading-whitespace nil
1059 "Remove leading whitespace in headers.
1060 Valid values are nil, t, `head', `last', an integer or a predicate.
1061 See Info node `(gnus)Customizing Articles' for details."
1063 :group 'gnus-article-treat
1064 :link '(custom-manual "(gnus)Customizing Articles")
1065 :type gnus-article-treat-custom)
1067 (defcustom gnus-treat-hide-headers 'head
1069 Valid values are nil, t, `head', `last', an integer or a predicate.
1070 See Info node `(gnus)Customizing Articles' for details."
1071 :group 'gnus-article-treat
1072 :link '(custom-manual "(gnus)Customizing Articles")
1073 :type gnus-article-treat-head-custom)
1075 (defcustom gnus-treat-hide-boring-headers nil
1076 "Hide boring headers.
1077 Valid values are nil, t, `head', `last', an integer or a predicate.
1078 See Info node `(gnus)Customizing Articles' for details."
1079 :group 'gnus-article-treat
1080 :link '(custom-manual "(gnus)Customizing Articles")
1081 :type gnus-article-treat-head-custom)
1083 (defcustom gnus-treat-hide-signature nil
1084 "Hide the signature.
1085 Valid values are nil, t, `head', `last', an integer or a predicate.
1086 See Info node `(gnus)Customizing Articles' for details."
1087 :group 'gnus-article-treat
1088 :link '(custom-manual "(gnus)Customizing Articles")
1089 :type gnus-article-treat-custom)
1091 (defcustom gnus-treat-fill-article nil
1093 Valid values are nil, t, `head', `last', an integer or a predicate.
1094 See Info node `(gnus)Customizing Articles' for details."
1095 :group 'gnus-article-treat
1096 :link '(custom-manual "(gnus)Customizing Articles")
1097 :type gnus-article-treat-custom)
1099 (defcustom gnus-treat-hide-citation nil
1101 Valid values are nil, t, `head', `last', an integer or a predicate.
1102 See Info node `(gnus)Customizing Articles' for details."
1103 :group 'gnus-article-treat
1104 :link '(custom-manual "(gnus)Customizing Articles")
1105 :type gnus-article-treat-custom)
1107 (defcustom gnus-treat-hide-citation-maybe nil
1109 Valid values are nil, t, `head', `last', an integer or a predicate.
1110 See Info node `(gnus)Customizing Articles' for details."
1111 :group 'gnus-article-treat
1112 :link '(custom-manual "(gnus)Customizing Articles")
1113 :type gnus-article-treat-custom)
1115 (defcustom gnus-treat-strip-list-identifiers 'head
1116 "Strip list identifiers from `gnus-list-identifiers`.
1117 Valid values are nil, t, `head', `last', an integer or a predicate.
1118 See Info node `(gnus)Customizing Articles' for details."
1120 :group 'gnus-article-treat
1121 :link '(custom-manual "(gnus)Customizing Articles")
1122 :type gnus-article-treat-custom)
1124 (make-obsolete-variable 'gnus-treat-strip-pgp
1125 "This option is obsolete in Gnus 5.10.")
1127 (defcustom gnus-treat-strip-pem nil
1128 "Strip PEM signatures.
1129 Valid values are nil, t, `head', `last', an integer or a predicate.
1130 See Info node `(gnus)Customizing Articles' for details."
1131 :group 'gnus-article-treat
1132 :link '(custom-manual "(gnus)Customizing Articles")
1133 :type gnus-article-treat-custom)
1135 (defcustom gnus-treat-strip-banner t
1136 "Strip banners from articles.
1137 The banner to be stripped is specified in the `banner' group parameter.
1138 Valid values are nil, t, `head', `last', an integer or a predicate.
1139 See Info node `(gnus)Customizing Articles' for details."
1140 :group 'gnus-article-treat
1141 :link '(custom-manual "(gnus)Customizing Articles")
1142 :type gnus-article-treat-custom)
1144 (defcustom gnus-treat-highlight-headers 'head
1145 "Highlight the headers.
1146 Valid values are nil, t, `head', `last', an integer or a predicate.
1147 See Info node `(gnus)Customizing Articles' for details."
1148 :group 'gnus-article-treat
1149 :link '(custom-manual "(gnus)Customizing Articles")
1150 :type gnus-article-treat-head-custom)
1151 (put 'gnus-treat-highlight-headers 'highlight t)
1153 (defcustom gnus-treat-highlight-citation t
1154 "Highlight cited text.
1155 Valid values are nil, t, `head', `last', an integer or a predicate.
1156 See Info node `(gnus)Customizing Articles' for details."
1157 :group 'gnus-article-treat
1158 :link '(custom-manual "(gnus)Customizing Articles")
1159 :type gnus-article-treat-custom)
1160 (put 'gnus-treat-highlight-citation 'highlight t)
1162 (defcustom gnus-treat-date-ut nil
1163 "Display the Date in UT (GMT).
1164 Valid values are nil, t, `head', `last', an integer or a predicate.
1165 See Info node `(gnus)Customizing Articles' for details."
1166 :group 'gnus-article-treat
1167 :link '(custom-manual "(gnus)Customizing Articles")
1168 :type gnus-article-treat-head-custom)
1170 (defcustom gnus-treat-date-local nil
1171 "Display the Date in the local timezone.
1172 Valid values are nil, t, `head', `last', an integer or a predicate.
1173 See Info node `(gnus)Customizing Articles' for details."
1174 :group 'gnus-article-treat
1175 :link '(custom-manual "(gnus)Customizing Articles")
1176 :type gnus-article-treat-head-custom)
1178 (defcustom gnus-treat-date-english nil
1179 "Display the Date in a format that can be read aloud in English.
1180 Valid values are nil, t, `head', `last', an integer or a predicate.
1181 See Info node `(gnus)Customizing Articles' for details."
1183 :group 'gnus-article-treat
1184 :link '(custom-manual "(gnus)Customizing Articles")
1185 :type gnus-article-treat-head-custom)
1187 (defcustom gnus-treat-date-lapsed nil
1188 "Display the Date header in a way that says how much time has elapsed.
1189 Valid values are nil, t, `head', `last', an integer or a predicate.
1190 See Info node `(gnus)Customizing Articles' for details."
1191 :group 'gnus-article-treat
1192 :link '(custom-manual "(gnus)Customizing Articles")
1193 :type gnus-article-treat-head-custom)
1195 (defcustom gnus-treat-date-original nil
1196 "Display the date in the original timezone.
1197 Valid values are nil, t, `head', `last', an integer or a predicate.
1198 See Info node `(gnus)Customizing Articles' for details."
1199 :group 'gnus-article-treat
1200 :link '(custom-manual "(gnus)Customizing Articles")
1201 :type gnus-article-treat-head-custom)
1203 (defcustom gnus-treat-date-iso8601 nil
1204 "Display the date in the ISO8601 format.
1205 Valid values are nil, t, `head', `last', an integer or a predicate.
1206 See Info node `(gnus)Customizing Articles' for details."
1208 :group 'gnus-article-treat
1209 :link '(custom-manual "(gnus)Customizing Articles")
1210 :type gnus-article-treat-head-custom)
1212 (defcustom gnus-treat-date-user-defined nil
1213 "Display the date in a user-defined format.
1214 The format is defined by the `gnus-article-time-format' variable.
1215 Valid values are nil, t, `head', `last', an integer or a predicate.
1216 See Info node `(gnus)Customizing Articles' for details."
1217 :group 'gnus-article-treat
1218 :link '(custom-manual "(gnus)Customizing Articles")
1219 :type gnus-article-treat-head-custom)
1221 (defcustom gnus-treat-strip-headers-in-body t
1222 "Strip the X-No-Archive header line from the beginning of the body.
1223 Valid values are nil, t, `head', `last', an integer or a predicate.
1224 See Info node `(gnus)Customizing Articles' for details."
1226 :group 'gnus-article-treat
1227 :link '(custom-manual "(gnus)Customizing Articles")
1228 :type gnus-article-treat-custom)
1230 (defcustom gnus-treat-strip-trailing-blank-lines nil
1231 "Strip trailing blank lines.
1232 Valid values are nil, t, `head', `last', an integer or a predicate.
1233 See Info node `(gnus)Customizing Articles' for details."
1234 :group 'gnus-article-treat
1235 :link '(custom-manual "(gnus)Customizing Articles")
1236 :type gnus-article-treat-custom)
1238 (defcustom gnus-treat-strip-leading-blank-lines nil
1239 "Strip leading blank lines.
1240 Valid values are nil, t, `head', `last', an integer or a predicate.
1241 See Info node `(gnus)Customizing Articles' for details."
1242 :group 'gnus-article-treat
1243 :link '(custom-manual "(gnus)Customizing Articles")
1244 :type gnus-article-treat-custom)
1246 (defcustom gnus-treat-strip-multiple-blank-lines nil
1247 "Strip multiple blank lines.
1248 Valid values are nil, t, `head', `last', an integer or a predicate.
1249 See Info node `(gnus)Customizing Articles' for details."
1250 :group 'gnus-article-treat
1251 :link '(custom-manual "(gnus)Customizing Articles")
1252 :type gnus-article-treat-custom)
1254 (defcustom gnus-treat-unfold-headers 'head
1255 "Unfold folded header lines.
1256 Valid values are nil, t, `head', `last', an integer or a predicate.
1257 See Info node `(gnus)Customizing Articles' for details."
1259 :group 'gnus-article-treat
1260 :link '(custom-manual "(gnus)Customizing Articles")
1261 :type gnus-article-treat-custom)
1263 (defcustom gnus-treat-fold-headers nil
1265 Valid values are nil, t, `head', `last', an integer or a predicate.
1266 See Info node `(gnus)Customizing Articles' for details."
1268 :group 'gnus-article-treat
1269 :link '(custom-manual "(gnus)Customizing Articles")
1270 :type gnus-article-treat-custom)
1272 (defcustom gnus-treat-fold-newsgroups 'head
1273 "Fold the Newsgroups and Followup-To headers.
1274 Valid values are nil, t, `head', `last', an integer or a predicate.
1275 See Info node `(gnus)Customizing Articles' for details."
1277 :group 'gnus-article-treat
1278 :link '(custom-manual "(gnus)Customizing Articles")
1279 :type gnus-article-treat-custom)
1281 (defcustom gnus-treat-overstrike t
1282 "Treat overstrike highlighting.
1283 Valid values are nil, t, `head', `last', an integer or a predicate.
1284 See Info node `(gnus)Customizing Articles' for details."
1285 :group 'gnus-article-treat
1286 :link '(custom-manual "(gnus)Customizing Articles")
1287 :type gnus-article-treat-custom)
1288 (put 'gnus-treat-overstrike 'highlight t)
1290 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1291 "Treat ANSI SGR control sequences.
1292 Valid values are nil, t, `head', `last', an integer or a predicate.
1293 See Info node `(gnus)Customizing Articles' for details."
1294 :group 'gnus-article-treat
1295 :link '(custom-manual "(gnus)Customizing Articles")
1296 :type gnus-article-treat-custom)
1298 (make-obsolete-variable 'gnus-treat-display-xface
1299 'gnus-treat-display-x-face)
1301 (defcustom gnus-treat-display-x-face
1302 (and (not noninteractive)
1303 (or (and (fboundp 'image-type-available-p)
1304 (image-type-available-p 'xbm)
1305 (string-match "^0x" (shell-command-to-string "uncompface"))
1306 (executable-find "icontopbm"))
1307 (and (featurep 'xemacs)
1310 "Display X-Face headers.
1311 Valid values are nil, t, `head', `last', an integer or a predicate.
1312 See Info node `(gnus)Customizing Articles' and Info node
1313 `(gnus)X-Face' for details."
1314 :group 'gnus-article-treat
1316 :link '(custom-manual "(gnus)Customizing Articles")
1317 :link '(custom-manual "(gnus)X-Face")
1318 :type gnus-article-treat-head-custom
1319 :set (lambda (symbol value)
1322 (cond ((or (boundp symbol) (get symbol 'saved-value))
1324 ((boundp 'gnus-treat-display-xface)
1326 ** gnus-treat-display-xface is an obsolete variable;\
1327 use gnus-treat-display-x-face instead")
1328 (default-value 'gnus-treat-display-xface))
1329 ((get 'gnus-treat-display-xface 'saved-value)
1331 ** gnus-treat-display-xface is an obsolete variable;\
1332 use gnus-treat-display-x-face instead")
1333 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1336 (put 'gnus-treat-display-x-face 'highlight t)
1338 (defcustom gnus-article-should-use-smiley-mule
1339 (not (or (featurep 'xemacs)
1340 (gnus-image-type-available-p 'xpm)
1341 (gnus-image-type-available-p 'pbm)))
1342 "Non-nil means use `smiley-mule' to show smileys rather than `smiley'.
1343 `smiley-mule' is boundled in BITMAP-MULE package. You can set it to t
1344 even if your Emacs supports images. It has no effect on XEmacs."
1345 :group 'gnus-article-various
1347 :get (lambda (symbol)
1348 (and (not noninteractive)
1349 (default-value symbol)
1350 (not (featurep 'xemacs))
1351 (module-installed-p 'smiley-mule)
1353 :set (lambda (symbol value)
1354 (set-default symbol (and (not noninteractive)
1356 (not (featurep 'xemacs))
1357 (module-installed-p 'smiley-mule)
1360 (defvar gnus-article-smiley-mule-loaded-p nil
1361 "Internal variable used to say whether `smiley-mule' is loaded (whether
1362 smiley functions are not overridden by `smiley').")
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', `last', an integer or a predicate.
1373 See Info node `(gnus)Customizing Articles' and Info node
1374 `(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 (and (not noninteractive)
1384 (or (and (featurep 'xemacs)
1386 (gnus-image-type-available-p 'xpm)
1387 (gnus-image-type-available-p 'pbm)
1388 (and (not (featurep 'xemacs))
1390 (module-installed-p 'smiley-mule))))
1394 Valid values are nil, t, `head', `last', an integer or a predicate.
1395 See Info node `(gnus)Customizing Articles' and Info node
1396 `(gnus)Smileys' for details."
1397 :group 'gnus-article-treat
1399 :link '(custom-manual "(gnus)Customizing Articles")
1400 :link '(custom-manual "(gnus)Smileys")
1401 :type gnus-article-treat-custom)
1402 (put 'gnus-treat-display-smileys 'highlight t)
1404 (defcustom gnus-treat-from-picon
1405 (if (and (gnus-image-type-available-p 'xpm)
1406 (gnus-picons-installed-p))
1408 "Display picons in the From header.
1409 Valid values are nil, t, `head', `last', an integer or a predicate.
1410 See Info node `(gnus)Customizing Articles' and Info node
1411 `(gnus)Picons' for details."
1413 :group 'gnus-article-treat
1415 :link '(custom-manual "(gnus)Customizing Articles")
1416 :link '(custom-manual "(gnus)Picons")
1417 :type gnus-article-treat-head-custom)
1418 (put 'gnus-treat-from-picon 'highlight t)
1420 (defcustom gnus-treat-mail-picon
1421 (if (and (gnus-image-type-available-p 'xpm)
1422 (gnus-picons-installed-p))
1424 "Display picons in To and Cc headers.
1425 Valid values are nil, t, `head', `last', an integer or a predicate.
1426 See Info node `(gnus)Customizing Articles' and Info node
1427 `(gnus)Picons' for details."
1429 :group 'gnus-article-treat
1431 :link '(custom-manual "(gnus)Customizing Articles")
1432 :link '(custom-manual "(gnus)Picons")
1433 :type gnus-article-treat-head-custom)
1434 (put 'gnus-treat-mail-picon 'highlight t)
1436 (defcustom gnus-treat-newsgroups-picon
1437 (if (and (gnus-image-type-available-p 'xpm)
1438 (gnus-picons-installed-p))
1440 "Display picons in the Newsgroups and Followup-To headers.
1441 Valid values are nil, t, `head', `last', an integer or a predicate.
1442 See Info node `(gnus)Customizing Articles' and Info node
1443 `(gnus)Picons' for details."
1445 :group 'gnus-article-treat
1447 :link '(custom-manual "(gnus)Customizing Articles")
1448 :link '(custom-manual "(gnus)Picons")
1449 :type gnus-article-treat-head-custom)
1450 (put 'gnus-treat-newsgroups-picon 'highlight t)
1452 (defcustom gnus-treat-body-boundary
1453 (if (and (eq window-system 'x)
1454 (or gnus-treat-newsgroups-picon
1455 gnus-treat-mail-picon
1456 gnus-treat-from-picon))
1458 "Draw a boundary at the end of the headers.
1459 Valid values are nil and `head'.
1460 See Info node `(gnus)Customizing Articles' for details."
1462 :group 'gnus-article-treat
1463 :link '(custom-manual "(gnus)Customizing Articles")
1464 :type gnus-article-treat-head-custom)
1466 (defcustom gnus-treat-capitalize-sentences nil
1467 "Capitalize sentence-starting words.
1468 Valid values are nil, t, `head', `last', an integer or a predicate.
1469 See Info node `(gnus)Customizing Articles' for details."
1471 :group 'gnus-article-treat
1472 :link '(custom-manual "(gnus)Customizing Articles")
1473 :type gnus-article-treat-custom)
1475 (defcustom gnus-treat-wash-html nil
1477 Valid values are nil, t, `head', `last', an integer or a predicate.
1478 See Info node `(gnus)Customizing Articles' for details."
1480 :group 'gnus-article-treat
1481 :link '(custom-manual "(gnus)Customizing Articles")
1482 :type gnus-article-treat-custom)
1484 (defcustom gnus-treat-fill-long-lines nil
1486 Valid values are nil, t, `head', `last', an integer or a predicate.
1487 See Info node `(gnus)Customizing Articles' for details."
1488 :group 'gnus-article-treat
1489 :link '(custom-manual "(gnus)Customizing Articles")
1490 :type gnus-article-treat-custom)
1492 (defcustom gnus-treat-play-sounds nil
1494 Valid values are nil, t, `head', `last', an integer or a predicate.
1495 See Info node `(gnus)Customizing Articles' for details."
1497 :group 'gnus-article-treat
1498 :link '(custom-manual "(gnus)Customizing Articles")
1499 :type gnus-article-treat-custom)
1501 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1502 "Decode an article as `default-mime-charset'. For instance, if you want to
1503 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1504 you could set this variable to something like: nil for don't decode, t for
1505 decode the body, '(or header t) for the whole article, etc."
1506 :group 'gnus-article-treat
1507 :type '(radio (const :tag "Off" nil)
1508 (const :tag "Decode body" t)
1509 (const :tag "Decode all" (or head t))))
1511 (defcustom gnus-treat-translate nil
1512 "Translate articles from one language to another.
1513 Valid values are nil, t, `head', `last', an integer or a predicate.
1514 See Info node `(gnus)Customizing Articles' for details."
1516 :group 'gnus-article-treat
1517 :link '(custom-manual "(gnus)Customizing Articles")
1518 :type gnus-article-treat-custom)
1520 (defcustom gnus-treat-x-pgp-sig nil
1522 To automatically treat X-PGP-Sig, set it to head.
1523 Valid values are nil, t, `head', `last', an integer or a predicate.
1524 See Info node `(gnus)Customizing Articles' for details."
1526 :group 'gnus-article-treat
1527 :group 'mime-security
1528 :type gnus-article-treat-custom)
1530 (defcustom gnus-treat-monafy nil
1531 "Display body part with mona font.
1532 Valid values are nil, t, `head', `last', an integer or a predicate.
1533 See Info node `(gnus)Customizing Articles' for details."
1534 :group 'gnus-article-treat
1535 :group 'mime-security
1536 :link '(custom-manual "(gnus)Customizing Articles")
1537 :type gnus-article-treat-custom)
1539 (defvar gnus-article-encrypt-protocol-alist
1540 '(("PGP" . mml2015-self-encrypt)))
1542 ;; Set to nil if more than one protocol added to
1543 ;; gnus-article-encrypt-protocol-alist.
1544 (defcustom gnus-article-encrypt-protocol "PGP"
1545 "The protocol used for encrypt articles.
1546 It is a string, such as \"PGP\". If nil, ask user."
1549 :group 'mime-security)
1551 (defvar gnus-article-wash-function nil
1552 "Function used for converting HTML into text.")
1554 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1555 (mm-coding-system-p 'utf-8)
1556 (executable-find idna-program))
1557 "Whether IDNA decoding of headers is used when viewing messages.
1558 This requires GNU Libidn, and by default only enabled if it is found."
1560 :group 'gnus-article-headers
1563 (defcustom gnus-article-over-scroll nil
1564 "If non-nil, allow scrolling the article buffer even when there no more text."
1566 :group 'gnus-article
1569 ;;; Internal variables
1571 (defvar gnus-english-month-names
1572 '("January" "February" "March" "April" "May" "June" "July" "August"
1573 "September" "October" "November" "December"))
1575 (defvar gnus-button-regexp nil)
1576 (defvar gnus-button-marker-list nil)
1577 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1579 (defvar gnus-button-last nil)
1580 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1582 (defvar article-goto-body-goes-to-point-min-p nil)
1583 (defvar gnus-article-wash-types nil)
1584 (defvar gnus-article-emphasis-alist nil)
1585 (defvar gnus-article-image-alist nil)
1587 (defvar gnus-article-mime-handle-alist-1 nil)
1588 (defvar gnus-treatment-function-alist
1589 '((gnus-treat-decode-article-as-default-mime-charset
1590 gnus-article-decode-article-as-default-mime-charset)
1591 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1592 (gnus-treat-monafy gnus-article-monafy)
1593 (gnus-treat-strip-banner gnus-article-strip-banner)
1594 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1595 (gnus-treat-buttonize gnus-article-add-buttons)
1596 (gnus-treat-fill-article gnus-article-fill-cited-article)
1597 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1598 (gnus-treat-strip-cr gnus-article-remove-cr)
1599 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1600 (gnus-treat-date-ut gnus-article-date-ut)
1601 (gnus-treat-date-local gnus-article-date-local)
1602 (gnus-treat-date-english gnus-article-date-english)
1603 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1604 (gnus-treat-date-original gnus-article-date-original)
1605 (gnus-treat-date-user-defined gnus-article-date-user)
1606 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1607 (gnus-treat-display-face gnus-article-display-face)
1608 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1609 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1610 (gnus-treat-hide-signature gnus-article-hide-signature)
1611 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1612 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1613 (gnus-treat-strip-pem gnus-article-hide-pem)
1614 (gnus-treat-from-picon gnus-treat-from-picon)
1615 (gnus-treat-mail-picon gnus-treat-mail-picon)
1616 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1617 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1618 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1619 (gnus-treat-strip-trailing-blank-lines
1620 gnus-article-remove-trailing-blank-lines)
1621 (gnus-treat-strip-leading-blank-lines
1622 gnus-article-strip-leading-blank-lines)
1623 (gnus-treat-strip-multiple-blank-lines
1624 gnus-article-strip-multiple-blank-lines)
1625 (gnus-treat-overstrike gnus-article-treat-overstrike)
1626 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1627 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1628 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1629 ;; Displaying X-Face should be done after unfolding headers
1630 ;; to protect bitmap lines.
1631 (gnus-treat-display-x-face gnus-article-display-x-face)
1632 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1633 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1634 (gnus-treat-display-smileys gnus-treat-smiley)
1635 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1636 (gnus-treat-wash-html gnus-article-wash-html)
1637 (gnus-treat-emphasize gnus-article-emphasize)
1638 (gnus-treat-hide-citation gnus-article-hide-citation)
1639 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1640 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1641 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1642 (gnus-treat-play-sounds gnus-earcon-display)))
1644 (defvar gnus-article-mime-handle-alist nil)
1645 (defvar article-lapsed-timer nil)
1646 (defvar gnus-article-current-summary nil)
1648 (defvar gnus-article-mode-syntax-table
1649 (let ((table (copy-syntax-table text-mode-syntax-table)))
1650 ;; This causes the citation match run O(2^n).
1651 ;; (modify-syntax-entry ?- "w" table)
1652 (modify-syntax-entry ?> ")<" table)
1653 (modify-syntax-entry ?< "(>" table)
1654 ;; make M-. in article buffers work for `foo' strings
1655 (modify-syntax-entry ?' " " table)
1656 (modify-syntax-entry ?` " " table)
1658 "Syntax table used in article mode buffers.
1659 Initialized from `text-mode-syntax-table.")
1661 (defvar gnus-save-article-buffer nil)
1663 (defvar gnus-article-mode-line-format-alist
1664 (nconc '((?w (gnus-article-wash-status) ?s)
1665 (?m (gnus-article-mime-part-status) ?s))
1666 gnus-summary-mode-line-format-alist))
1668 (defvar gnus-number-of-articles-to-be-saved nil)
1670 (defvar gnus-inhibit-hiding nil)
1672 (defvar gnus-article-edit-mode nil)
1674 ;;; Macros for dealing with the article buffer.
1676 (defmacro gnus-with-article-headers (&rest forms)
1678 (set-buffer gnus-article-buffer)
1680 (let ((inhibit-read-only t)
1681 (inhibit-point-motion-hooks t)
1682 (case-fold-search t))
1683 (article-narrow-to-head)
1686 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1687 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1689 (defmacro gnus-with-article-buffer (&rest forms)
1691 (set-buffer gnus-article-buffer)
1692 (let ((inhibit-read-only t))
1695 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1696 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1698 (defun gnus-article-goto-header (header)
1699 "Go to HEADER, which is a regular expression."
1700 (re-search-forward (concat "^\\(" header "\\):") nil t))
1702 (defsubst gnus-article-hide-text (b e props)
1703 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1704 (gnus-add-text-properties-when 'article-type nil b e props)
1705 (when (memq 'intangible props)
1707 (max (1- b) (point-min))
1708 b 'intangible (cddr (memq 'intangible props)))))
1710 (defsubst gnus-article-unhide-text (b e)
1711 "Remove hidden text properties from region between B and E."
1712 (remove-text-properties b e gnus-hidden-properties)
1713 (when (memq 'intangible gnus-hidden-properties)
1714 (put-text-property (max (1- b) (point-min))
1715 b 'intangible nil)))
1717 (defun gnus-article-hide-text-type (b e type)
1718 "Hide text of TYPE between B and E."
1719 (gnus-add-wash-type type)
1720 (gnus-article-hide-text
1721 b e (cons 'article-type (cons type gnus-hidden-properties))))
1723 (defun gnus-article-unhide-text-type (b e type)
1724 "Unhide text of TYPE between B and E."
1725 (gnus-delete-wash-type type)
1726 (remove-text-properties
1727 b e (cons 'article-type (cons type gnus-hidden-properties)))
1728 (when (memq 'intangible gnus-hidden-properties)
1729 (put-text-property (max (1- b) (point-min))
1730 b 'intangible nil)))
1732 (defun gnus-article-hide-text-of-type (type)
1733 "Hide text of TYPE in the current buffer."
1735 (let ((b (point-min))
1737 (while (setq b (text-property-any b e 'article-type type))
1738 (add-text-properties b (incf b) gnus-hidden-properties)))))
1740 (defun gnus-article-delete-text-of-type (type)
1741 "Delete text of TYPE in the current buffer."
1743 (let ((b (point-min)))
1744 (while (setq b (text-property-any b (point-max) 'article-type type))
1746 b (or (text-property-not-all b (point-max) 'article-type type)
1749 (defun gnus-article-delete-invisible-text ()
1750 "Delete all invisible text in the current buffer."
1752 (let ((b (point-min)))
1753 (while (setq b (text-property-any b (point-max) 'invisible t))
1755 b (or (text-property-not-all b (point-max) 'invisible t)
1758 (defun gnus-article-text-type-exists-p (type)
1759 "Say whether any text of type TYPE exists in the buffer."
1760 (text-property-any (point-min) (point-max) 'article-type type))
1762 (defsubst gnus-article-header-rank ()
1763 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1764 (let ((list gnus-sorted-header-list)
1767 (if (looking-at (car list))
1769 (setq list (cdr list))
1773 (defun article-hide-headers (&optional arg delete)
1774 "Hide unwanted headers and possibly sort them as well."
1775 (interactive (gnus-article-hidden-arg))
1776 ;; Lars said that this function might be inhibited.
1777 (if (gnus-article-check-hidden-text 'headers arg)
1779 ;; Show boring headers as well.
1780 (gnus-article-show-hidden-text 'boring-headers)
1781 (when (eq 1 (point-min))
1782 (set-window-start (get-buffer-window (current-buffer)) 1)))
1783 (unless gnus-inhibit-hiding
1784 (let ((inhibit-read-only t)
1785 (case-fold-search t)
1786 (max (1+ (length gnus-sorted-header-list)))
1787 (inhibit-point-motion-hooks t)
1788 (cur (current-buffer))
1789 ignored visible beg)
1791 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1792 ;; group parameters, so we should go to the summary buffer.
1795 (progn (set-buffer gnus-summary-buffer) t)
1797 (setq ignored (when (not gnus-visible-headers)
1798 (cond ((stringp gnus-ignored-headers)
1799 gnus-ignored-headers)
1800 ((listp gnus-ignored-headers)
1801 (mapconcat 'identity
1802 gnus-ignored-headers
1804 visible (cond ((stringp gnus-visible-headers)
1805 gnus-visible-headers)
1806 ((and gnus-visible-headers
1807 (listp gnus-visible-headers))
1808 (mapconcat 'identity
1809 gnus-visible-headers
1813 ;; First we narrow to just the headers.
1814 (article-narrow-to-head)
1815 ;; Hide any "From " lines at the beginning of (mail) articles.
1816 (while (looking-at "From ")
1820 (delete-region (point-min) (point))
1821 (gnus-article-hide-text (point-min) (point)
1822 (nconc (list 'article-type 'headers)
1823 gnus-hidden-properties))))
1824 ;; Then treat the rest of the header lines.
1825 ;; Then we use the two regular expressions
1826 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1827 ;; select which header lines is to remain visible in the
1829 (while (re-search-forward "^[^ \t:]*:" nil t)
1831 ;; Mark the rank of the header.
1833 (point) (1+ (point)) 'message-rank
1834 (if (or (and visible (looking-at visible))
1836 (not (looking-at ignored))))
1837 (gnus-article-header-rank)
1840 (message-sort-headers-1)
1841 (when (setq beg (text-property-any
1842 (point-min) (point-max) 'message-rank (+ 2 max)))
1843 ;; We delete or make invisible the unwanted headers.
1844 (gnus-add-wash-type 'headers)
1847 (add-text-properties
1848 (point-min) (+ 5 (point-min))
1849 '(article-type headers dummy-invisible t))
1850 (delete-region beg (point-max)))
1851 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1853 (defun article-hide-boring-headers (&optional arg)
1854 "Toggle hiding of headers that aren't very interesting.
1855 If given a negative prefix, always show; if given a positive prefix,
1857 (interactive (gnus-article-hidden-arg))
1858 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1859 (not gnus-show-all-headers))
1862 (let ((inhibit-read-only t)
1863 (inhibit-point-motion-hooks t))
1864 (article-narrow-to-head)
1865 (dolist (elem gnus-boring-article-headers)
1866 (goto-char (point-min))
1868 ;; Hide empty headers.
1870 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1872 (gnus-article-hide-text-type
1876 (if (re-search-forward "^[^ \t]" nil t)
1880 ;; Hide boring Newsgroups header.
1881 ((eq elem 'newsgroups)
1882 (when (gnus-string-equal
1883 (gnus-fetch-field "newsgroups")
1884 (gnus-group-real-name
1885 (if (boundp 'gnus-newsgroup-name)
1888 (gnus-article-hide-header "newsgroups")))
1889 ((eq elem 'to-address)
1890 (let ((to (message-fetch-field "to"))
1892 (gnus-parameter-to-address
1893 (if (boundp 'gnus-newsgroup-name)
1894 gnus-newsgroup-name ""))))
1895 (when (and to to-address
1898 ;; only one address in To
1899 (nth 1 (mail-extract-address-components to))
1901 (gnus-article-hide-header "to"))))
1903 (let ((to (message-fetch-field "to"))
1905 (gnus-parameter-to-list
1906 (if (boundp 'gnus-newsgroup-name)
1907 gnus-newsgroup-name ""))))
1908 (when (and to to-list
1911 ;; only one address in To
1912 (nth 1 (mail-extract-address-components to))
1914 (gnus-article-hide-header "to"))))
1916 (let ((cc (message-fetch-field "cc"))
1918 (gnus-parameter-to-list
1919 (if (boundp 'gnus-newsgroup-name)
1920 gnus-newsgroup-name ""))))
1921 (when (and cc to-list
1924 ;; only one address in CC
1925 (nth 1 (mail-extract-address-components cc))
1927 (gnus-article-hide-header "cc"))))
1928 ((eq elem 'followup-to)
1929 (when (gnus-string-equal
1930 (message-fetch-field "followup-to")
1931 (message-fetch-field "newsgroups"))
1932 (gnus-article-hide-header "followup-to")))
1933 ((eq elem 'reply-to)
1934 (if (gnus-group-find-parameter
1935 gnus-newsgroup-name 'broken-reply-to)
1936 (gnus-article-hide-header "reply-to")
1937 (let ((from (message-fetch-field "from"))
1938 (reply-to (message-fetch-field "reply-to")))
1945 (lambda (x) (downcase (cadr x)))
1946 (mail-extract-address-components from t))
1949 (lambda (x) (downcase (cadr x)))
1950 (mail-extract-address-components reply-to t))
1952 (gnus-article-hide-header "reply-to")))))
1954 (let ((date (message-fetch-field "date")))
1956 (< (days-between (current-time-string) date)
1958 (gnus-article-hide-header "date"))))
1960 (let ((to (message-fetch-field "to"))
1961 (cc (message-fetch-field "cc")))
1962 (when (> (length to) 1024)
1963 (gnus-article-hide-header "to"))
1964 (when (> (length cc) 1024)
1965 (gnus-article-hide-header "cc"))))
1969 (goto-char (point-min))
1970 (while (re-search-forward "^to:" nil t)
1971 (setq to-count (1+ to-count)))
1972 (when (> to-count 1)
1973 (while (> to-count 0)
1974 (goto-char (point-min))
1976 (re-search-forward "^to:" nil nil to-count)
1978 (narrow-to-region (point) (point-max))
1979 (gnus-article-hide-header "to"))
1980 (setq to-count (1- to-count))))
1981 (goto-char (point-min))
1982 (while (re-search-forward "^cc:" nil t)
1983 (setq cc-count (1+ cc-count)))
1984 (when (> cc-count 1)
1985 (while (> cc-count 0)
1986 (goto-char (point-min))
1988 (re-search-forward "^cc:" nil nil cc-count)
1990 (narrow-to-region (point) (point-max))
1991 (gnus-article-hide-header "cc"))
1992 (setq cc-count (1- cc-count)))))))))))))
1994 (defun gnus-article-hide-header (header)
1996 (goto-char (point-min))
1997 (when (re-search-forward (concat "^" header ":") nil t)
1998 (gnus-article-hide-text-type
2002 (if (re-search-forward "^[^ \t]" nil t)
2007 (defvar gnus-article-normalized-header-length 40
2008 "Length of normalized headers.")
2010 (defun article-normalize-headers ()
2011 "Make all header lines 40 characters long."
2013 (let ((inhibit-read-only t)
2017 (article-narrow-to-head)
2020 ((< (setq column (- (point-at-eol) (point)))
2021 gnus-article-normalized-header-length)
2023 (insert (make-string
2024 (- gnus-article-normalized-header-length column)
2026 ((> column gnus-article-normalized-header-length)
2027 (gnus-put-text-property
2029 (forward-char gnus-article-normalized-header-length)
2036 (forward-line 1))))))
2038 (defun article-treat-dumbquotes ()
2039 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2040 Note that this function guesses whether a character is a sm*rtq**t* or
2041 not, so it should only be used interactively.
2043 Sm*rtq**t*s are M****s***'s unilateral extension to the
2044 iso-8859-1 character map in an attempt to provide more quoting
2045 characters. If you see something like \\222 or \\264 where
2046 you're expecting some kind of apostrophe or quotation mark, then
2049 (article-translate-strings gnus-article-dumbquotes-map))
2051 (defun article-translate-characters (from to)
2052 "Translate all characters in the body of the article according to FROM and TO.
2053 FROM is a string of characters to translate from; to is a string of
2054 characters to translate to."
2056 (when (article-goto-body)
2057 (let ((inhibit-read-only t)
2058 (x (make-string 225 ?x))
2060 (while (< (incf i) (length x))
2063 (while (< i (length from))
2064 (aset x (aref from i) (aref to i))
2066 (translate-region (point) (point-max) x)))))
2068 (defun article-translate-strings (map)
2069 "Translate all string in the body of the article according to MAP.
2070 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2072 (when (article-goto-body)
2073 (let ((inhibit-read-only t))
2076 (while (search-forward (car elem) nil t)
2077 (replace-match (cadr elem)))))))))
2079 (defun article-treat-overstrike ()
2080 "Translate overstrikes into bold text."
2083 (when (article-goto-body)
2084 (let ((inhibit-read-only t))
2085 (while (search-forward "\b" nil t)
2086 (let ((next (char-after))
2090 previous (char-after))
2094 ;; We do the boldification/underlining by hiding the
2095 ;; overstrikes and putting the proper text property
2099 (gnus-article-hide-text-type start (point) 'overstrike)
2100 (put-text-property (point) end 'face 'bold))
2102 (gnus-article-hide-text-type
2103 (1- (point)) (1+ (point)) 'overstrike)
2105 start (1- (point)) 'face 'underline))
2107 (gnus-article-hide-text-type start (point) 'overstrike)
2109 (point) end 'face 'underline)))))))))
2111 (defun article-treat-ansi-sequences ()
2112 "Translate ANSI SGR control sequences into overlays or extents."
2115 (when (article-goto-body)
2116 (let ((inhibit-read-only t))
2117 (ansi-color-apply-on-region (point) (point-max))))))
2119 (defun gnus-article-treat-unfold-headers ()
2120 "Unfold folded message headers.
2121 Only the headers that fit into the current window width will be
2124 (gnus-with-article-headers
2128 (mail-header-narrow-to-field)
2129 (let ((header (buffer-string)))
2132 (goto-char (point-min))
2133 (while (re-search-forward "\n[\t ]" nil t)
2134 (replace-match " " t t)))
2135 (setq length (- (point-max) (point-min) 1)))
2136 (when (< length (window-width))
2137 (while (re-search-forward "\n[\t ]" nil t)
2138 (replace-match " " t t)))
2139 (goto-char (point-max)))))))
2141 (defun gnus-article-treat-fold-headers ()
2142 "Fold message headers."
2144 (gnus-with-article-headers
2147 (mail-header-narrow-to-field)
2148 (mail-header-fold-field)
2149 (goto-char (point-max))))))
2151 (defun gnus-treat-smiley ()
2152 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2154 (unless (featurep 'xemacs)
2155 (when (and (not gnus-article-should-use-smiley-mule)
2156 gnus-article-smiley-mule-loaded-p)
2157 (load "smiley" nil t)
2158 (setq gnus-article-smiley-mule-loaded-p nil))
2159 (when (and gnus-article-should-use-smiley-mule
2160 (not gnus-article-smiley-mule-loaded-p))
2161 (load "smiley-mule" nil t)
2162 (setq gnus-article-smiley-mule-loaded-p t)))
2163 (gnus-with-article-buffer
2164 (if (memq 'smiley gnus-article-wash-types)
2165 (gnus-delete-images 'smiley)
2167 (let ((images (smiley-region (point) (point-max))))
2169 (gnus-add-wash-type 'smiley)
2170 (dolist (image images)
2171 (gnus-add-image 'smiley image)))))))
2173 (defun gnus-article-remove-images ()
2174 "Remove all images from the article buffer."
2176 (gnus-with-article-buffer
2177 (dolist (elem gnus-article-image-alist)
2178 (gnus-delete-images (car elem)))))
2180 (defun gnus-article-treat-fold-newsgroups ()
2181 "Unfold folded message headers.
2182 Only the headers that fit into the current window width will be
2185 (gnus-with-article-headers
2186 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2188 (mail-header-narrow-to-field)
2189 (while (re-search-forward ", *" nil t)
2190 (replace-match ", " t t))
2191 (mail-header-fold-field)
2192 (goto-char (point-max))))))
2194 (defun gnus-article-treat-body-boundary ()
2195 "Place a boundary line at the end of the headers."
2197 (when (and gnus-body-boundary-delimiter
2198 (> (length gnus-body-boundary-delimiter) 0))
2199 (gnus-with-article-headers
2200 (goto-char (point-max))
2201 (let ((start (point)))
2202 (insert "X-Boundary: ")
2203 (gnus-add-text-properties start (point) '(invisible t intangible t))
2205 (while (>= (1- (window-width)) (length str))
2206 (setq str (concat str gnus-body-boundary-delimiter)))
2207 (substring str 0 (1- (window-width))))
2209 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2211 (defun article-fill-long-lines ()
2212 "Fill lines that are wider than the window width."
2215 (let ((inhibit-read-only t)
2216 (width (window-width (get-buffer-window (current-buffer)))))
2219 (let ((adaptive-fill-mode nil)) ;Why? -sm
2222 (when (>= (current-column) (min fill-column width))
2223 (narrow-to-region (min (1+ (point)) (point-max))
2225 (let ((goback (point-marker)))
2226 (fill-paragraph nil)
2227 (goto-char (marker-position goback)))
2229 (forward-line 1)))))))
2231 (defun article-capitalize-sentences ()
2232 "Capitalize the first word in each sentence."
2235 (let ((inhibit-read-only t)
2236 (paragraph-start "^[\n\^L]"))
2240 (forward-sentence)))))
2242 (defun article-remove-cr ()
2243 "Remove trailing CRs and then translate remaining CRs into LFs."
2246 (let ((inhibit-read-only t))
2247 (goto-char (point-min))
2248 (while (re-search-forward "\r+$" nil t)
2249 (replace-match "" t t))
2250 (goto-char (point-min))
2251 (while (search-forward "\r" nil t)
2252 (replace-match "\n" t t)))))
2254 (defun article-remove-trailing-blank-lines ()
2255 "Remove all trailing blank lines from the article."
2258 (let ((inhibit-read-only t))
2259 (goto-char (point-max))
2263 (while (and (not (bobp))
2264 (looking-at "^[ \t]*$")
2265 (not (gnus-annotation-in-region-p
2266 (point) (point-at-eol))))
2272 (defvar gnus-face-properties-alist))
2274 (defun article-display-face ()
2275 "Display any Face headers in the header."
2277 (let ((wash-face-p buffer-read-only))
2278 (gnus-with-article-headers
2279 ;; When displaying parts, this function can be called several times on
2280 ;; the same article, without any intended toggle semantic (as typing `W
2281 ;; D d' would have). So face deletion must occur only when we come from
2282 ;; an interactive command, that is when the *Article* buffer is
2284 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2285 (gnus-delete-images 'face)
2286 (let (face faces from)
2287 (save-current-buffer
2288 (when (and wash-face-p
2289 (gnus-buffer-live-p gnus-original-article-buffer)
2290 (not (re-search-forward "^Face:[\t ]*" nil t)))
2291 (set-buffer gnus-original-article-buffer))
2293 (mail-narrow-to-head)
2294 (while (gnus-article-goto-header "Face")
2295 (push (mail-header-field-value) faces))))
2297 (goto-char (point-min))
2298 (let ((from (gnus-article-goto-header "from"))
2303 (insert "[no `from' set]\n"))
2305 (when (setq png (gnus-convert-face-to-png (pop faces)))
2307 (apply 'gnus-create-image png 'png t
2308 (cdr (assq 'png gnus-face-properties-alist))))
2310 (gnus-add-wash-type 'face)
2311 (gnus-add-image 'face image)
2312 (gnus-put-image image nil 'face))))))))))
2314 (defun article-display-x-face (&optional force)
2315 "Look for an X-Face header and display it if present."
2316 (interactive (list 'force))
2317 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2318 (gnus-with-article-headers
2319 ;; Delete the old process, if any.
2320 (when (process-status "article-x-face")
2321 (delete-process "article-x-face"))
2322 ;; See the comment in `article-display-face'.
2323 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2324 ;; We have already displayed X-Faces, so we remove them
2326 (gnus-delete-images 'xface)
2328 (let (x-faces from face)
2329 (save-current-buffer
2330 (when (and wash-face-p
2331 (gnus-buffer-live-p gnus-original-article-buffer)
2332 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2333 ;; If type `W f', use gnus-original-article-buffer,
2334 ;; otherwise use the current buffer because displaying
2335 ;; RFC822 parts calls this function too.
2336 (set-buffer gnus-original-article-buffer))
2338 (mail-narrow-to-head)
2339 (while (gnus-article-goto-header "X-Face")
2340 (push (mail-header-field-value) x-faces))
2341 (setq from (message-fetch-field "from"))))
2342 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2343 ;; single external face.
2344 (when (stringp gnus-article-x-face-command)
2345 (setq x-faces (list (car x-faces))))
2347 gnus-article-x-face-command
2349 ;; Check whether this face is censored.
2350 (not gnus-article-x-face-too-ugly)
2352 (not (string-match gnus-article-x-face-too-ugly
2354 (while (setq face (pop x-faces))
2355 ;; We display the face.
2356 (cond ((stringp gnus-article-x-face-command)
2357 ;; The command is a string, so we interpret the command
2358 ;; as a, well, command, and fork it off.
2359 (let ((process-connection-type nil))
2360 (gnus-set-process-query-on-exit-flag
2362 "article-x-face" nil shell-file-name
2363 shell-command-switch gnus-article-x-face-command)
2367 (process-send-region "article-x-face"
2368 (point-min) (point-max)))
2369 (process-send-eof "article-x-face")))
2370 ((functionp gnus-article-x-face-command)
2371 ;; The command is a lisp function, so we call it.
2372 (funcall gnus-article-x-face-command face))
2374 (error "%s is not a function"
2375 gnus-article-x-face-command))))))))))
2377 (defun article-decode-mime-words ()
2378 "Decode all MIME-encoded words in the article."
2380 (gnus-with-article-buffer
2381 (let ((inhibit-point-motion-hooks t)
2382 (mail-parse-charset gnus-newsgroup-charset)
2383 (mail-parse-ignored-charsets
2384 (with-current-buffer gnus-summary-buffer
2385 gnus-newsgroup-ignored-charsets)))
2386 (mail-decode-encoded-word-region (point-min) (point-max)))))
2388 (defun article-decode-charset (&optional prompt)
2389 "Decode charset-encoded text in the article.
2390 If PROMPT (the prefix), prompt for a coding system to use."
2392 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2393 (inhibit-read-only 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 ct cte ctl charset format)
2403 (article-narrow-to-head)
2404 (setq ct (message-fetch-field "Content-Type" t)
2405 cte (message-fetch-field "Content-Transfer-Encoding" t)
2406 ctl (and ct (ignore-errors
2407 (mail-header-parse-content-type ct)))
2410 (mm-read-coding-system "Charset to decode: "))
2412 (mail-content-type-get ctl 'charset)))
2413 format (and ctl (mail-content-type-get ctl 'format)))
2415 (setq cte (mail-header-strip cte)))
2416 (if (and ctl (not (string-match "/" (car ctl))))
2418 (goto-char (point-max)))
2421 (narrow-to-region (point) (point-max))
2422 (when (and (eq mail-parse-charset 'gnus-decoded)
2423 (eq (mm-body-7-or-8) '8bit))
2424 ;; The text code could have been decoded.
2425 (setq charset mail-parse-charset))
2426 (when (and (or (not ctl)
2427 (equal (car ctl) "text/plain"))
2428 (not format)) ;; article with format will decode later.
2430 charset (and cte (intern (downcase
2431 (gnus-strip-whitespace cte))))
2434 (defun article-decode-encoded-words ()
2435 "Remove encoded-word encoding from headers."
2436 (let ((charset (save-excursion
2437 (set-buffer gnus-summary-buffer)
2438 default-mime-charset))
2439 (inhibit-read-only t))
2440 (mime-decode-header-in-buffer charset)))
2442 (defun article-decode-group-name ()
2443 "Decode group names in `Newsgroups:'."
2444 (let ((inhibit-point-motion-hooks t)
2445 (inhibit-read-only t)
2446 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2447 (when (and (or gnus-group-name-charset-method-alist
2448 gnus-group-name-charset-group-alist)
2449 (gnus-buffer-live-p gnus-original-article-buffer))
2451 (article-narrow-to-head)
2452 (with-current-buffer gnus-original-article-buffer
2453 (goto-char (point-min)))
2454 (while (re-search-forward
2455 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2456 (replace-match (save-match-data
2457 (gnus-decode-newsgroups
2458 ;; XXX how to use data in article buffer?
2459 (with-current-buffer gnus-original-article-buffer
2461 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2464 gnus-newsgroup-name method))
2466 (goto-char (point-min))
2467 (with-current-buffer gnus-original-article-buffer
2468 (goto-char (point-min)))
2469 (while (re-search-forward
2470 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2471 (replace-match (save-match-data
2472 (gnus-decode-newsgroups
2473 ;; XXX how to use data in article buffer?
2474 (with-current-buffer gnus-original-article-buffer
2476 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2479 gnus-newsgroup-name method))
2482 (autoload 'idna-to-unicode "idna")
2484 (defun article-decode-idna-rhs ()
2485 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2488 (let ((inhibit-point-motion-hooks t)
2489 (inhibit-read-only t))
2490 (article-narrow-to-head)
2491 (goto-char (point-min))
2492 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2494 (when (save-match-data
2495 (and (setq ace (match-string 1))
2497 (and (re-search-backward "^[^ \t]" nil t)
2498 (looking-at "From\\|To\\|Cc")))
2499 (setq unicode (idna-to-unicode ace))))
2500 (unless (string= ace unicode)
2501 (replace-match unicode nil nil nil 1)))))))))
2503 (defun article-de-quoted-unreadable (&optional force read-charset)
2504 "Translate a quoted-printable-encoded article.
2505 If FORCE, decode the article whether it is marked as quoted-printable
2507 If READ-CHARSET, ask for a coding system."
2508 (interactive (list 'force current-prefix-arg))
2510 (let ((inhibit-read-only t) type charset)
2511 (if (gnus-buffer-live-p gnus-original-article-buffer)
2512 (with-current-buffer gnus-original-article-buffer
2514 (gnus-fetch-field "content-transfer-encoding"))
2515 (let* ((ct (gnus-fetch-field "content-type"))
2518 (mail-header-parse-content-type ct)))))
2519 (setq charset (and ctl
2520 (mail-content-type-get ctl 'charset)))
2521 (if (stringp charset)
2522 (setq charset (intern (downcase charset)))))))
2524 (setq charset (mm-read-coding-system "Charset: " charset)))
2526 (setq charset gnus-newsgroup-charset))
2528 (and type (let ((case-fold-search t))
2529 (string-match "quoted-printable" type))))
2531 (quoted-printable-decode-region
2532 (point) (point-max) (mm-charset-to-coding-system charset))))))
2534 (defun article-de-base64-unreadable (&optional force read-charset)
2535 "Translate a base64 article.
2536 If FORCE, decode the article whether it is marked as base64 not.
2537 If READ-CHARSET, ask for a coding system."
2538 (interactive (list 'force current-prefix-arg))
2540 (let ((inhibit-read-only t) type charset)
2541 (if (gnus-buffer-live-p gnus-original-article-buffer)
2542 (with-current-buffer gnus-original-article-buffer
2544 (gnus-fetch-field "content-transfer-encoding"))
2545 (let* ((ct (gnus-fetch-field "content-type"))
2548 (mail-header-parse-content-type ct)))))
2549 (setq charset (and ctl
2550 (mail-content-type-get ctl 'charset)))
2551 (if (stringp charset)
2552 (setq charset (intern (downcase charset)))))))
2554 (setq charset (mm-read-coding-system "Charset: " charset)))
2556 (setq charset gnus-newsgroup-charset))
2558 (and type (let ((case-fold-search t))
2559 (string-match "base64" type))))
2562 (narrow-to-region (point) (point-max))
2563 (base64-decode-region (point-min) (point-max))
2564 (mm-decode-coding-region
2565 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2570 (defun article-decode-HZ ()
2571 "Translate a HZ-encoded article."
2575 (let ((inhibit-read-only t))
2576 (rfc1843-decode-region (point-min) (point-max)))))
2578 (defun article-unsplit-urls ()
2579 "Remove the newlines that some other mailers insert into URLs."
2582 (let ((inhibit-read-only t))
2583 (goto-char (point-min))
2584 (while (re-search-forward
2585 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2586 (replace-match "\\1\\3" t)))
2587 (when (interactive-p)
2588 (gnus-treat-article nil))))
2591 (defun article-wash-html (&optional read-charset)
2592 "Format an HTML article.
2593 If READ-CHARSET, ask for a coding system."
2596 (let ((inhibit-read-only t)
2598 (when (gnus-buffer-live-p gnus-original-article-buffer)
2599 (with-current-buffer gnus-original-article-buffer
2600 (let* ((ct (gnus-fetch-field "content-type"))
2603 (mail-header-parse-content-type ct)))))
2604 (setq charset (and ctl
2605 (mail-content-type-get ctl 'charset)))
2606 (when (stringp charset)
2607 (setq charset (intern (downcase charset)))))))
2609 (setq charset (mm-read-coding-system "Charset: " charset)))
2611 (setq charset gnus-newsgroup-charset))
2613 (save-window-excursion
2615 (narrow-to-region (point) (point-max))
2616 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2617 (entry (assq func mm-text-html-washer-alist)))
2619 (setq func (cdr entry)))
2624 (apply (car func) (cdr func))))))))))
2626 (defun gnus-article-wash-html-with-w3 ()
2627 "Wash the current buffer with w3."
2629 (let ((w3-strict-width (window-width))
2630 (url-standalone-mode t)
2631 (url-gateway-unplugged t)
2632 (w3-honor-stylesheets nil))
2634 (w3-region (point-min) (point-max))
2637 (defun gnus-article-wash-html-with-w3m ()
2638 "Wash the current buffer with emacs-w3m."
2641 (narrow-to-region (point) (point-max))
2642 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2643 w3m-force-redisplay)
2644 (w3m-region (point-min) (point-max)))
2645 (when (and mm-inline-text-html-with-w3m-keymap
2646 (boundp 'w3m-minor-mode-map)
2648 (add-text-properties
2649 (point-min) (point-max)
2650 (list 'keymap w3m-minor-mode-map
2651 ;; Put the mark meaning this part was rendered by emacs-w3m.
2652 'mm-inline-text-html-with-w3m t)))))
2654 (defun article-hide-list-identifiers ()
2655 "Remove list identifies from the Subject header.
2656 The `gnus-list-identifiers' variable specifies what to do."
2658 (let ((inhibit-point-motion-hooks t)
2659 (regexp (if (consp gnus-list-identifiers)
2660 (mapconcat 'identity gnus-list-identifiers " *\\|")
2661 gnus-list-identifiers))
2662 (inhibit-read-only t))
2666 (article-narrow-to-head)
2667 (goto-char (point-min))
2668 (while (re-search-forward
2669 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2671 (delete-region (match-beginning 2) (match-end 0))
2672 (beginning-of-line))
2673 (when (re-search-forward
2674 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2675 (delete-region (match-beginning 1) (match-end 1))))))))
2677 (defun article-hide-pem (&optional arg)
2678 "Toggle hiding of any PEM headers and signatures in the current article.
2679 If given a negative prefix, always show; if given a positive prefix,
2681 (interactive (gnus-article-hidden-arg))
2682 (unless (gnus-article-check-hidden-text 'pem arg)
2684 (let ((inhibit-read-only t) end)
2685 (goto-char (point-min))
2686 ;; Hide the horrendously ugly "header".
2687 (when (and (search-forward
2688 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2690 (setq end (1+ (match-beginning 0))))
2691 (gnus-add-wash-type 'pem)
2692 (gnus-article-hide-text-type
2694 (if (search-forward "\n\n" nil t)
2698 ;; Hide the trailer as well
2699 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2701 (gnus-article-hide-text-type
2702 (match-beginning 0) (match-end 0) 'pem)))))))
2704 (defun article-strip-banner ()
2705 "Strip the banners specified by the `banner' group parameter and by
2706 `gnus-article-address-banner-alist'."
2710 (let ((inhibit-point-motion-hooks t))
2711 (when (gnus-parameter-banner gnus-newsgroup-name)
2712 (article-really-strip-banner
2713 (gnus-parameter-banner gnus-newsgroup-name)))
2714 (when gnus-article-address-banner-alist
2715 ;; It is necessary to encode from fields before checking,
2716 ;; because `mail-header-parse-addresses' does not work
2717 ;; (reliably) on decoded headers. And more, it is
2718 ;; impossible to use `gnus-fetch-original-field' here,
2719 ;; because `article-strip-banner' may be called in draft
2720 ;; buffers to preview them.
2721 (let ((from (save-restriction
2723 (article-narrow-to-head)
2724 (mail-fetch-field "from"))))
2727 (caar (mail-header-parse-addresses
2728 (mail-encode-encoded-word-string from)))))
2730 (dolist (pair gnus-article-address-banner-alist)
2731 (when (string-match (car pair) from)
2733 (article-really-strip-banner (cdr pair)))))))))))))
2735 (defun article-really-strip-banner (banner)
2736 "Strip the banner specified by the argument."
2739 (let ((inhibit-point-motion-hooks t)
2740 (gnus-signature-limit nil)
2741 (inhibit-read-only t))
2744 ((eq banner 'signature)
2745 (when (gnus-article-narrow-to-signature)
2748 (delete-region (point) (point-max))))
2750 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2751 (while (re-search-forward banner nil t)
2752 (delete-region (match-beginning 0) (match-end 0)))))
2754 (while (re-search-forward banner nil t)
2755 (delete-region (match-beginning 0) (match-end 0)))))))))
2757 (defun article-babel ()
2758 "Translate article using an online translation service."
2761 (gnus-with-article-buffer
2762 (when (article-goto-body)
2763 (let* ((start (point))
2765 (orig (buffer-substring start end))
2766 (trans (babel-as-string orig)))
2768 (narrow-to-region start end)
2769 (delete-region start end)
2772 (defun article-hide-signature (&optional arg)
2773 "Hide the signature in the current article.
2774 If given a negative prefix, always show; if given a positive prefix,
2776 (interactive (gnus-article-hidden-arg))
2782 (article-goto-body))
2783 (goto-char (point-min)))
2784 (unless (gnus-article-check-hidden-text 'signature arg)
2785 (let ((inhibit-read-only t)
2787 (while (setq button (text-property-any button (point-max)
2789 'gnus-signature-toggle))
2790 (setq button (text-property-not-all button (point-max)
2792 'gnus-signature-toggle))
2793 (when (and button (not (eobp)))
2794 (gnus-article-hide-text-type
2796 (next-single-property-change (1+ button) 'mime-view-entity
2799 (gnus-set-mode-line 'article))
2801 (defun article-strip-headers-in-body ()
2802 "Strip offensive headers from bodies."
2806 (let ((case-fold-search t))
2807 (when (looking-at "x-no-archive:")
2808 (gnus-delete-line)))))
2810 (defun article-strip-leading-blank-lines ()
2811 "Remove all blank lines from the beginning of the article."
2814 (let ((inhibit-point-motion-hooks t)
2815 (inhibit-read-only t))
2816 (when (article-goto-body)
2817 (while (and (not (eobp))
2818 (looking-at "[ \t]*$"))
2819 (gnus-delete-line))))))
2821 (defun article-narrow-to-head ()
2822 "Narrow the buffer to the head of the message.
2823 Point is left at the beginning of the narrowed-to region."
2825 (goto-char (point-min))
2826 (if (search-forward "\n\n" nil 1)
2829 (goto-char (point-min)))
2831 (defun article-goto-body ()
2832 "Place point at the start of the body."
2833 (goto-char (point-min))
2835 ;; This variable is only bound when dealing with separate
2837 (article-goto-body-goes-to-point-min-p
2839 ((search-forward "\n\n" nil t)
2842 (goto-char (point-max))
2845 (defun article-strip-multiple-blank-lines ()
2846 "Replace consecutive blank lines with one empty line."
2849 (let ((inhibit-point-motion-hooks t)
2850 (inhibit-read-only t))
2851 ;; First make all blank lines empty.
2853 (while (re-search-forward "^[ \t]+$" nil t)
2854 (unless (gnus-annotation-in-region-p
2855 (match-beginning 0) (match-end 0))
2856 (replace-match "" nil t)))
2857 ;; Then replace multiple empty lines with a single empty line.
2859 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2860 (unless (gnus-annotation-in-region-p
2861 (match-beginning 0) (match-end 0))
2862 (delete-region (match-beginning 1) (match-end 1)))))))
2864 (defun article-strip-leading-space ()
2865 "Remove all white space from the beginning of the lines in the article."
2868 (let ((inhibit-point-motion-hooks t)
2869 (inhibit-read-only t))
2871 (while (re-search-forward "^[ \t]+" nil t)
2872 (replace-match "" t t)))))
2874 (defun article-strip-trailing-space ()
2875 "Remove all white space from the end of the lines in the article."
2878 (let ((inhibit-point-motion-hooks t)
2879 (inhibit-read-only t))
2881 (while (re-search-forward "[ \t]+$" nil t)
2882 (replace-match "" t t)))))
2884 (defun article-strip-blank-lines ()
2885 "Strip leading, trailing and multiple blank lines."
2887 (article-strip-leading-blank-lines)
2888 (article-remove-trailing-blank-lines)
2889 (article-strip-multiple-blank-lines))
2891 (defun article-strip-all-blank-lines ()
2892 "Strip all blank lines."
2895 (let ((inhibit-point-motion-hooks t)
2896 (inhibit-read-only t))
2898 (while (re-search-forward "^[ \t]*\n" nil t)
2899 (replace-match "" t t)))))
2901 (defun gnus-article-narrow-to-signature ()
2902 "Narrow to the signature; return t if a signature is found, else nil."
2903 (let ((inhibit-point-motion-hooks t))
2904 (when (gnus-article-search-signature)
2906 ;; Check whether we have some limits to what we consider
2907 ;; to be a signature.
2908 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2909 (list gnus-signature-limit)))
2911 (while (setq limit (pop limits))
2912 (if (or (and (integerp limit)
2913 (< (- (point-max) (point)) limit))
2915 (< (count-lines (point) (point-max)) limit))
2916 (and (functionp limit)
2918 (and (stringp limit)
2919 (not (re-search-forward limit nil t))))
2920 () ; This limit did not succeed.
2924 (narrow-to-region (point) (point-max))
2927 (defun gnus-article-search-signature ()
2928 "Search the current buffer for the signature separator.
2929 Put point at the beginning of the signature separator."
2930 (let ((cur (point)))
2931 (goto-char (point-max))
2932 (if (if (stringp gnus-signature-separator)
2933 (re-search-backward gnus-signature-separator nil t)
2934 (let ((seps gnus-signature-separator))
2936 (not (re-search-backward (car seps) nil t)))
2943 (defun gnus-article-hidden-arg ()
2944 "Return the current prefix arg as a number, or 0 if no prefix."
2945 (list (if current-prefix-arg
2946 (prefix-numeric-value current-prefix-arg)
2949 (defun gnus-article-check-hidden-text (type arg)
2950 "Return nil if hiding is necessary.
2951 Arg can be nil or a number. nil and positive means hide, negative
2952 means show, 0 means toggle."
2955 (let ((hide (gnus-article-hidden-text-p type)))
2961 (gnus-article-show-hidden-text type)
2964 (if (eq hide 'hidden)
2966 (gnus-article-show-hidden-text type)
2970 (defun gnus-article-hidden-text-p (type)
2971 "Say whether the current buffer contains hidden text of type TYPE."
2972 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2974 (not (get-text-property pos 'invisible))
2975 (not (get-text-property pos 'dummy-invisible)))
2977 (text-property-any (1+ pos) (point-max) 'article-type type)))
2982 (defun gnus-article-show-hidden-text (type &optional dummy)
2983 "Show all hidden text of type TYPE.
2984 Originally it is hide instead of DUMMY."
2985 (let ((inhibit-read-only t)
2986 (inhibit-point-motion-hooks t))
2987 (gnus-remove-text-properties-when
2989 (point-min) (point-max)
2990 (cons 'article-type (cons type
2991 gnus-hidden-properties)))
2992 (gnus-delete-wash-type type)))
2994 (defconst article-time-units
2995 `((year . ,(* 365.25 24 60 60))
2996 (week . ,(* 7 24 60 60))
2997 (day . ,(* 24 60 60))
3001 "Mapping from time units to seconds.")
3003 (defun gnus-article-forward-header ()
3004 "Move point to the start of the next header.
3005 If the current header is a continuation header, this can be several
3010 (if (looking-at "[ \t]+[^ \t]")
3014 (defun article-date-ut (&optional type highlight)
3015 "Convert DATE date to universal time in the current article.
3016 If TYPE is `local', convert to local time; if it is `lapsed', output
3017 how much time has lapsed since DATE. For `lapsed', the value of
3018 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3019 should replace the \"Date:\" one, or should be added below it."
3020 (interactive (list 'ut t))
3021 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3022 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3026 (article-lapsed-timer
3030 (case-fold-search t)
3031 (inhibit-read-only t)
3032 (inhibit-point-motion-hooks t)
3033 pos date bface eface)
3037 (goto-char (point-min))
3038 (while (or (setq date (get-text-property (setq pos (point))
3040 (when (setq pos (next-single-property-change
3041 (point) 'original-date))
3042 (setq date (get-text-property pos 'original-date))
3044 (narrow-to-region pos (or (text-property-any pos (point-max)
3047 (goto-char (point-min))
3048 (when (re-search-forward tdate-regexp nil t)
3049 (setq bface (get-text-property (point-at-bol) 'face)
3050 eface (get-text-property (1- (point-at-eol)) 'face)))
3051 (goto-char (point-min))
3053 ;; Delete any old Date headers.
3054 (while (re-search-forward date-regexp nil t)
3056 (delete-region (point-at-bol) (progn
3057 (gnus-article-forward-header)
3059 (delete-region (point-at-bol) (progn
3060 (gnus-article-forward-header)
3063 (setq pos (point))))
3064 (when (and (not pos)
3065 (re-search-forward tdate-regexp nil t))
3067 (gnus-goto-char pos)
3068 (insert (article-make-date-line date (or type 'ut)))
3074 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3075 (put-text-property (match-beginning 1) (1+ (match-end 1))
3077 (put-text-property (match-beginning 2) (match-end 2)
3079 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3080 (goto-char (point-max))
3083 (defun article-make-date-line (date type)
3084 "Return a DATE line of TYPE."
3085 (unless (memq type '(local ut original user iso8601 lapsed english))
3086 (error "Unknown conversion type: %s" type))
3088 (let ((time (date-to-time date)))
3090 ;; Convert to the local timezone.
3092 (concat "Date: " (message-make-date time)))
3093 ;; Convert to Universal Time.
3098 (let* ((e (parse-time-string date))
3099 (tm (apply 'encode-time e))
3101 (ls (- (cadr tm) (car (current-time-zone time)))))
3102 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3103 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3107 ;; Get the original date from the article.
3108 ((eq type 'original)
3109 (concat "Date: " (if (string-match "\n+$" date)
3110 (substring date 0 (match-beginning 0))
3112 ;; Let the user define the format.
3114 (let ((format (or (condition-case nil
3115 (with-current-buffer gnus-summary-buffer
3116 gnus-article-time-format)
3118 gnus-article-time-format)))
3119 (if (functionp format)
3120 (funcall format time)
3121 (concat "Date: " (format-time-string format time)))))
3124 (let ((tz (car (current-time-zone time))))
3127 (format-time-string "%Y%m%dT%H%M%S" time)
3128 (format "%s%02d%02d"
3129 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3130 (/ (% (abs tz) 3600) 60)))))
3131 ;; Do an X-Sent lapsed format.
3133 ;; If the date is seriously mangled, the timezone functions are
3134 ;; liable to bug out, so we ignore all errors.
3135 (let* ((now (current-time))
3136 (real-time (subtract-time now time))
3137 (real-sec (and real-time
3138 (+ (* (float (car real-time)) 65536)
3140 (sec (and real-time (abs real-sec)))
3150 ;; This is a bit convoluted, but basically we go
3151 ;; through the time units for years, weeks, etc,
3152 ;; and divide things to see whether that results
3153 ;; in positive answers.
3156 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3157 ;; The (remaining) seconds are too few to
3158 ;; be divided into this time unit.
3160 ;; It's big enough, so we output it.
3161 (setq sec (- sec (* num (cdr unit))))
3163 (concat (if prev ", " "") (int-to-string
3165 " " (symbol-name (car unit))
3166 (if (> num 1) "s" ""))
3168 article-time-units "")
3169 ;; If dates are odd, then it might appear like the
3170 ;; article was sent in the future.
3173 " in the future"))))))
3174 ;; Display the date in proper English
3176 (let ((dtime (decode-time time)))
3179 (number-to-string (nth 3 dtime))
3180 (let ((digit (% (nth 3 dtime) 10)))
3182 ((memq (nth 3 dtime) '(11 12 13)) "th")
3188 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3190 (number-to-string (nth 5 dtime))
3192 (format "%02d" (nth 2 dtime))
3194 (format "%02d" (nth 1 dtime)))))))
3196 (format "Date: %s (from T-gnus)" date))))
3198 (defun article-date-local (&optional highlight)
3199 "Convert the current article date to the local timezone."
3200 (interactive (list t))
3201 (article-date-ut 'local highlight))
3203 (defun article-date-english (&optional highlight)
3204 "Convert the current article date to something that is proper English."
3205 (interactive (list t))
3206 (article-date-ut 'english highlight))
3208 (defun article-date-original (&optional highlight)
3209 "Convert the current article date to what it was originally.
3210 This is only useful if you have used some other date conversion
3211 function and want to see what the date was before converting."
3212 (interactive (list t))
3213 (article-date-ut 'original highlight))
3215 (defun article-date-lapsed (&optional highlight)
3216 "Convert the current article date to time lapsed since it was sent."
3217 (interactive (list t))
3218 (article-date-ut 'lapsed highlight))
3220 (defun article-update-date-lapsed ()
3221 "Function to be run from a timer to update the lapsed time line."
3223 (let (deactivate-mark)
3228 (set-buffer (window-buffer w))
3229 (when (or (and (eq major-mode 'mime-view-mode)
3230 (eq (mime-preview-original-major-mode)
3231 'gnus-original-article-mode))
3232 (eq major-mode 'gnus-article-mode))
3233 (let ((mark (point-marker)))
3234 (goto-char (point-min))
3235 (when (re-search-forward "^X-Sent:" nil t)
3236 (article-date-lapsed t))
3237 (goto-char (marker-position mark))
3238 (move-marker mark nil))))
3241 (defun gnus-start-date-timer (&optional n)
3242 "Start a timer to update the X-Sent header in the article buffers.
3243 The numerical prefix says how frequently (in seconds) the function
3248 (gnus-stop-date-timer)
3249 (setq article-lapsed-timer
3250 (run-at-time 1 n 'article-update-date-lapsed)))
3252 (defun gnus-stop-date-timer ()
3253 "Stop the X-Sent timer."
3255 (when article-lapsed-timer
3256 (nnheader-cancel-timer article-lapsed-timer)
3257 (setq article-lapsed-timer nil)))
3259 (defun article-date-user (&optional highlight)
3260 "Convert the current article date to the user-defined format.
3261 This format is defined by the `gnus-article-time-format' variable."
3262 (interactive (list t))
3263 (article-date-ut 'user highlight))
3265 (defun article-date-iso8601 (&optional highlight)
3266 "Convert the current article date to ISO8601."
3267 (interactive (list t))
3268 (article-date-ut 'iso8601 highlight))
3270 (defmacro gnus-article-save-original-date (&rest forms)
3271 "Save the original date as a text property and evaluate FORMS."
3272 `(let* ((case-fold-search t)
3274 (goto-char (point-min))
3275 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3278 (date (when (and start
3279 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3281 (buffer-substring-no-properties start
3282 (match-beginning 0)))))
3283 (goto-char (point-max))
3284 (skip-chars-backward "\n")
3285 (put-text-property (point-min) (point) 'original-date date)
3287 (goto-char (point-max))
3288 (skip-chars-backward "\n")
3289 (put-text-property (point-min) (point) 'original-date date)))
3291 ;; (defun article-show-all ()
3292 ;; "Show all hidden text in the article buffer."
3296 ;; (let ((inhibit-read-only t))
3297 ;; (gnus-article-unhide-text (point-min) (point-max))
3298 ;; (gnus-remove-text-with-property 'gnus-prev)
3299 ;; (gnus-remove-text-with-property 'gnus-next))))
3301 (defun article-show-all-headers ()
3302 "Show all hidden headers in the article buffer."
3307 (article-narrow-to-head)
3308 (let ((inhibit-read-only t))
3309 (gnus-article-unhide-text (point-min) (point-max))))))
3311 (defun article-remove-leading-whitespace ()
3312 "Remove excessive whitespace from all headers."
3316 (let ((inhibit-read-only t))
3317 (article-narrow-to-head)
3318 (goto-char (point-min))
3319 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3320 (delete-region (match-beginning 1) (match-end 1)))))))
3322 (defun article-emphasize (&optional arg)
3323 "Emphasize text according to `gnus-emphasis-alist'."
3324 (interactive (gnus-article-hidden-arg))
3325 (unless (gnus-article-check-hidden-text 'emphasis arg)
3329 (with-current-buffer gnus-summary-buffer
3330 gnus-article-emphasis-alist)
3332 gnus-emphasis-alist))
3333 (inhibit-read-only t)
3334 (props (append '(article-type emphasis)
3335 gnus-hidden-properties))
3336 regexp elem beg invisible visible face)
3339 (while (setq elem (pop alist))
3341 (setq regexp (car elem)
3342 invisible (nth 1 elem)
3343 visible (nth 2 elem)
3345 (while (re-search-forward regexp nil t)
3346 (when (and (match-beginning visible) (match-beginning invisible))
3347 (gnus-article-hide-text
3348 (match-beginning invisible) (match-end invisible) props)
3349 (gnus-article-unhide-text-type
3350 (match-beginning visible) (match-end visible) 'emphasis)
3351 (gnus-put-overlay-excluding-newlines
3352 (match-beginning visible) (match-end visible) 'face face)
3353 (gnus-add-wash-type 'emphasis)
3354 (goto-char (match-end invisible)))))))))
3356 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3357 "Setup newsgroup emphasis alist."
3358 (unless gnus-article-emphasis-alist
3359 (let ((name (and gnus-newsgroup-name
3360 (gnus-group-real-name gnus-newsgroup-name))))
3361 (make-local-variable 'gnus-article-emphasis-alist)
3362 (setq gnus-article-emphasis-alist
3364 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3365 (while (setq elem (pop alist))
3366 (when (and name (string-match (car elem) name))
3368 highlight (copy-sequence (cdr elem)))))
3370 (copy-sequence highlight-words)
3371 (if gnus-newsgroup-name
3372 (copy-sequence (gnus-group-find-parameter
3373 gnus-newsgroup-name 'highlight-words t)))
3374 gnus-emphasis-alist)))))
3377 (defvar gnus-summary-article-menu)
3378 (defvar gnus-summary-post-menu))
3380 ;;; Saving functions.
3382 (defun gnus-article-save (save-buffer file &optional num)
3383 "Save the currently selected article."
3384 (unless gnus-save-all-headers
3385 ;; Remove headers according to `gnus-saved-headers'.
3386 (let ((gnus-visible-headers
3387 (or gnus-saved-headers gnus-visible-headers))
3388 (gnus-article-buffer save-buffer))
3390 (set-buffer save-buffer)
3391 (article-hide-headers 1 t))))
3392 (save-window-excursion
3393 (if (not gnus-default-article-saver)
3394 (error "No default saver is defined")
3395 ;; !!! Magic! The saving functions all save
3396 ;; `gnus-save-article-buffer' (or so they think), but we
3397 ;; bind that variable to our save-buffer.
3398 (set-buffer gnus-article-buffer)
3399 (let* ((gnus-save-article-buffer save-buffer)
3402 ((not gnus-prompt-before-saving) 'default)
3403 ((eq gnus-prompt-before-saving 'always) nil)
3405 (gnus-number-of-articles-to-be-saved
3406 (when (eq gnus-prompt-before-saving t)
3408 (set-buffer gnus-article-current-summary)
3409 (funcall gnus-default-article-saver filename)))))
3411 (defun gnus-read-save-file-name (prompt &optional filename
3412 function group headers variable)
3414 (funcall function group headers (symbol-value variable)))
3419 ((eq filename 'default)
3425 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3428 (if (and gnus-number-of-articles-to-be-saved
3429 (> gnus-number-of-articles-to-be-saved 1))
3430 (format "these %d articles"
3431 gnus-number-of-articles-to-be-saved)
3434 ;; Let the split methods have their say.
3436 ;; No split name was found.
3439 (concat prompt " (default "
3440 (file-name-nondirectory default-name) ") ")
3441 (file-name-directory default-name)
3443 ;; A single group name is returned.
3444 ((stringp split-name)
3446 (funcall function split-name headers
3447 (symbol-value variable)))
3449 (concat prompt " (default "
3450 (file-name-nondirectory default-name) ") ")
3451 (file-name-directory default-name)
3453 ;; A single split name was found
3454 ((= 1 (length split-name))
3455 (let* ((name (expand-file-name
3457 gnus-article-save-directory))
3458 (dir (cond ((file-directory-p name)
3459 (file-name-as-directory name))
3460 ((file-exists-p name) name)
3461 (t gnus-article-save-directory))))
3463 (concat prompt " (default " name ") ")
3465 ;; A list of splits was found.
3467 (setq split-name (nreverse split-name))
3469 (let ((file-name-history
3470 (nconc split-name file-name-history)))
3474 (concat prompt " (`M-p' for defaults) ")
3475 gnus-article-save-directory
3477 gnus-article-save-directory)))
3478 (car (push result file-name-history)))))))
3479 ;; Create the directory.
3480 (gnus-make-directory (file-name-directory file))
3481 ;; If we have read a directory, we append the default file name.
3482 (when (file-directory-p file)
3483 (setq file (expand-file-name (file-name-nondirectory
3485 (file-name-as-directory file))))
3486 ;; Possibly translate some characters.
3487 (nnheader-translate-file-chars file))))))
3488 (gnus-make-directory (file-name-directory result))
3489 (set variable result)))
3491 (defun gnus-article-archive-name (group)
3492 "Return the first instance of an \"Archive-name\" in the current buffer."
3493 (let ((case-fold-search t))
3494 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3495 (nnheader-concat gnus-article-save-directory
3496 (match-string 1)))))
3498 (defun gnus-article-nndoc-name (group)
3499 "If GROUP is an nndoc group, return the name of the parent group."
3500 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3501 (gnus-group-get-parameter group 'save-article-group)))
3503 (defun gnus-summary-save-in-rmail (&optional filename)
3504 "Append this article to Rmail file.
3505 Optional argument FILENAME specifies file name.
3506 Directory to save to is default to `gnus-article-save-directory'."
3507 (setq filename (gnus-read-save-file-name
3508 "Save %s in rmail file:" filename
3509 gnus-rmail-save-name gnus-newsgroup-name
3510 gnus-current-headers 'gnus-newsgroup-last-rmail))
3511 (gnus-eval-in-buffer-window gnus-save-article-buffer
3515 (gnus-output-to-rmail filename))))
3518 (defun gnus-summary-save-in-mail (&optional filename)
3519 "Append this article to Unix mail file.
3520 Optional argument FILENAME specifies file name.
3521 Directory to save to is default to `gnus-article-save-directory'."
3522 (setq filename (gnus-read-save-file-name
3523 "Save %s in Unix mail file:" filename
3524 gnus-mail-save-name gnus-newsgroup-name
3525 gnus-current-headers 'gnus-newsgroup-last-mail))
3526 (gnus-eval-in-buffer-window gnus-save-article-buffer
3530 (if (and (file-readable-p filename)
3531 (file-regular-p filename)
3532 (mail-file-babyl-p filename))
3533 (rmail-output-to-rmail-file filename t)
3534 (gnus-output-to-mail filename)))))
3537 (defun gnus-summary-save-in-file (&optional filename overwrite)
3538 "Append this article to file.
3539 Optional argument FILENAME specifies file name.
3540 Directory to save to is default to `gnus-article-save-directory'."
3541 (setq filename (gnus-read-save-file-name
3542 "Save %s in file:" filename
3543 gnus-file-save-name gnus-newsgroup-name
3544 gnus-current-headers 'gnus-newsgroup-last-file))
3545 (gnus-eval-in-buffer-window gnus-save-article-buffer
3549 (when (and overwrite
3550 (file-exists-p filename))
3551 (delete-file filename))
3552 (gnus-output-to-file filename))))
3555 (defun gnus-summary-write-to-file (&optional filename)
3556 "Write this article to a file, overwriting it if the file exists.
3557 Optional argument FILENAME specifies file name.
3558 The directory to save in defaults to `gnus-article-save-directory'."
3559 (gnus-summary-save-in-file nil t))
3561 (defun gnus-summary-save-body-in-file (&optional filename)
3562 "Append this article body to a file.
3563 Optional argument FILENAME specifies file name.
3564 The directory to save in defaults to `gnus-article-save-directory'."
3565 (setq filename (gnus-read-save-file-name
3566 "Save %s body in file:" filename
3567 gnus-file-save-name gnus-newsgroup-name
3568 gnus-current-headers 'gnus-newsgroup-last-file))
3569 (gnus-eval-in-buffer-window gnus-save-article-buffer
3573 (when (article-goto-body)
3574 (narrow-to-region (point) (point-max)))
3575 (gnus-output-to-file filename))))
3578 (defun gnus-summary-save-in-pipe (&optional command)
3579 "Pipe this article to subprocess."
3581 (cond ((and (eq command 'default)
3582 gnus-last-shell-command)
3583 gnus-last-shell-command)
3588 "Shell command on %s: "
3589 (if (and gnus-number-of-articles-to-be-saved
3590 (> gnus-number-of-articles-to-be-saved 1))
3591 (format "these %d articles"
3592 gnus-number-of-articles-to-be-saved)
3594 gnus-last-shell-command))))
3595 (when (string-equal command "")
3596 (if gnus-last-shell-command
3597 (setq command gnus-last-shell-command)
3598 (error "A command is required")))
3599 (gnus-eval-in-buffer-window gnus-article-buffer
3602 (shell-command-on-region (point-min) (point-max) command nil)))
3603 (setq gnus-last-shell-command command))
3605 (defun gnus-summary-pipe-to-muttprint (&optional command)
3606 "Pipe this article to muttprint."
3607 (setq command (read-string
3608 "Print using command: " gnus-summary-muttprint-program
3609 nil gnus-summary-muttprint-program))
3610 (gnus-summary-save-in-pipe command))
3612 ;;; Article file names when saving.
3614 (defun gnus-capitalize-newsgroup (newsgroup)
3615 "Capitalize NEWSGROUP name."
3616 (when (not (zerop (length newsgroup)))
3617 (concat (char-to-string (upcase (aref newsgroup 0)))
3618 (substring newsgroup 1))))
3620 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3621 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3622 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3623 Otherwise, it is like ~/News/news/group/num."
3626 (concat (if (gnus-use-long-file-name 'not-save)
3627 (gnus-capitalize-newsgroup newsgroup)
3628 (gnus-newsgroup-directory-form newsgroup))
3629 "/" (int-to-string (mail-header-number headers)))
3630 gnus-article-save-directory)))
3632 (string-equal (file-name-directory default)
3633 (file-name-directory last-file))
3634 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3636 (or last-file default))))
3638 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3639 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3640 If variable `gnus-use-long-file-name' is non-nil, it is
3641 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3644 (concat (if (gnus-use-long-file-name 'not-save)
3646 (gnus-newsgroup-directory-form newsgroup))
3647 "/" (int-to-string (mail-header-number headers)))
3648 gnus-article-save-directory)))
3650 (string-equal (file-name-directory default)
3651 (file-name-directory last-file))
3652 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3654 (or last-file default))))
3656 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3657 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3658 If variable `gnus-use-long-file-name' is non-nil, it is
3659 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3662 (if (gnus-use-long-file-name 'not-save)
3665 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3667 gnus-article-save-directory)))
3669 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3670 "Generate file name from sender."
3671 (let ((from (mail-header-from headers)))
3673 (if (and from (string-match "\\([^ <]+\\)@" from))
3674 (match-string 1 from)
3676 gnus-article-save-directory)))
3678 (defun article-verify-x-pgp-sig ()
3681 (if (gnus-buffer-live-p gnus-original-article-buffer)
3682 (let ((sig (with-current-buffer gnus-original-article-buffer
3683 (gnus-fetch-field "X-PGP-Sig")))
3687 (mml2015-clear-verify-function))
3689 (insert-buffer-substring gnus-original-article-buffer)
3690 (setq items (split-string sig))
3691 (message-narrow-to-head)
3692 (let ((inhibit-point-motion-hooks t)
3693 (case-fold-search t))
3694 ;; Don't verify multiple headers.
3695 (setq headers (mapconcat (lambda (header)
3697 (mail-fetch-field header)
3699 (split-string (nth 1 items) ",") "")))
3700 (delete-region (point-min) (point-max))
3701 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3702 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3707 (if (looking-at "^-")
3710 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3711 (insert "Version: " (car items) "\n\n")
3712 (insert (mapconcat 'identity (cddr items) "\n"))
3713 (insert "\n-----END PGP SIGNATURE-----\n")
3714 (let ((mm-security-handle (list (format "multipart/signed"))))
3715 (mml2015-clean-buffer)
3716 (let ((coding-system-for-write (or gnus-newsgroup-charset
3718 (funcall (mml2015-clear-verify-function)))
3720 (or (mm-handle-multipart-ctl-parameter
3721 mm-security-handle 'gnus-details)
3722 (mm-handle-multipart-ctl-parameter
3723 mm-security-handle 'gnus-info)))))
3725 (let ((inhibit-read-only t) bface eface)
3727 (message-narrow-to-head)
3728 (goto-char (point-max))
3730 (setq bface (get-text-property (point-at-bol) 'face)
3731 eface (get-text-property (1- (point-at-eol)) 'face))
3732 (message-remove-header "X-Gnus-PGP-Verify")
3733 (if (re-search-forward "^X-PGP-Sig:" nil t)
3735 (goto-char (point-max)))
3736 (narrow-to-region (point) (point))
3737 (insert "X-Gnus-PGP-Verify: " info "\n")
3738 (goto-char (point-min))
3741 (if (not (looking-at "^[ \t]"))
3745 (goto-char (point-min))
3746 (when (looking-at "\\([^:]+\\): *")
3747 (put-text-property (match-beginning 1) (1+ (match-end 1))
3749 (put-text-property (match-end 0) (point-max)
3750 'face eface)))))))))
3752 (defun article-verify-cancel-lock ()
3753 "Verify Cancel-Lock header."
3755 (if (gnus-buffer-live-p gnus-original-article-buffer)
3756 (canlock-verify gnus-original-article-buffer)))
3758 (defun article-monafy ()
3759 "Display body part with mona font."
3761 (unless (if (featurep 'xemacs)
3762 (find-face 'gnus-mona-face)
3763 (facep 'gnus-mona-face))
3764 (require 'navi2ch-mona)
3765 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3767 (let ((inhibit-read-only t))
3770 (gnus-make-overlay (point) (point-max))
3771 'face 'gnus-mona-face))))
3778 (setq afunc (car func)
3781 gfunc (intern (format "gnus-%s" func))))
3783 (when (fboundp afunc)
3784 `(lambda (&optional interactive &rest args)
3785 ,(documentation afunc t)
3786 (interactive (list t))
3788 (set-buffer gnus-article-buffer)
3790 (call-interactively ',afunc)
3791 (apply ',afunc args))))))))
3792 '(article-hide-headers
3793 article-verify-x-pgp-sig
3794 article-verify-cancel-lock
3796 article-hide-boring-headers
3797 article-treat-overstrike
3798 article-treat-ansi-sequences
3799 article-fill-long-lines
3800 article-capitalize-sentences
3802 article-remove-leading-whitespace
3803 article-display-x-face
3804 article-display-face
3805 article-de-quoted-unreadable
3806 article-de-base64-unreadable
3809 article-unsplit-urls
3810 article-hide-list-identifiers
3811 article-strip-banner
3814 article-hide-signature
3815 article-strip-headers-in-body
3816 article-remove-trailing-blank-lines
3817 article-strip-leading-blank-lines
3818 article-strip-multiple-blank-lines
3819 article-strip-leading-space
3820 article-strip-trailing-space
3821 article-strip-blank-lines
3822 article-strip-all-blank-lines
3824 article-date-english
3825 article-date-iso8601
3826 article-date-original
3828 article-decode-mime-words
3829 article-decode-charset
3830 article-decode-encoded-words
3834 article-treat-dumbquotes
3835 article-normalize-headers
3836 (article-show-all-headers . gnus-article-show-all-headers)
3837 ;; (article-show-all . gnus-article-show-all)
3841 ;;; Gnus article mode
3844 (put 'gnus-article-mode 'mode-class 'special)
3846 (gnus-define-keys gnus-article-mode-map
3847 " " gnus-article-goto-next-page
3848 "\177" gnus-article-goto-prev-page
3849 [delete] gnus-article-goto-prev-page
3850 [backspace] gnus-article-goto-prev-page
3851 "\C-c^" gnus-article-refer-article
3852 "h" gnus-article-show-summary
3853 "s" gnus-article-show-summary
3854 "\C-c\C-m" gnus-article-mail
3855 "?" gnus-article-describe-briefly
3856 "e" gnus-summary-edit-article
3857 "<" beginning-of-buffer
3859 "\C-c\C-i" gnus-info-find-node
3861 "R" gnus-article-reply-with-original
3862 "F" gnus-article-followup-with-original
3863 "\C-hk" gnus-article-describe-key
3864 "\C-hc" gnus-article-describe-key-briefly
3866 "\C-d" gnus-article-read-summary-keys
3867 "\M-*" gnus-article-read-summary-keys
3868 "\M-#" gnus-article-read-summary-keys
3869 "\M-^" gnus-article-read-summary-keys
3870 "\M-g" gnus-article-read-summary-keys)
3872 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3876 (push (char-to-string key) keys)
3878 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3879 (setq key (car elem))
3880 (when (and (> (length key) 0)
3881 (not (eq 'menu-bar (aref key 0)))
3882 (symbolp (lookup-key gnus-summary-mode-map key)))
3885 (unless (lookup-key gnus-article-mode-map key)
3886 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3888 (defun gnus-article-make-menu-bar ()
3889 (unless (boundp 'gnus-article-commands-menu)
3890 (gnus-summary-make-menu-bar))
3891 (gnus-turn-off-edit-menu 'article)
3892 (unless (boundp 'gnus-article-article-menu)
3894 gnus-article-article-menu gnus-article-mode-map ""
3896 ["Scroll forwards" gnus-article-goto-next-page t]
3897 ["Scroll backwards" gnus-article-goto-prev-page t]
3898 ["Show summary" gnus-article-show-summary t]
3899 ["Fetch Message-ID at point" gnus-article-refer-article t]
3900 ["Mail to address at point" gnus-article-mail t]
3901 ["Send a bug report" gnus-bug t]))
3904 gnus-article-treatment-menu gnus-article-mode-map ""
3905 ;; Fixme: this should use :active (and maybe :visible).
3907 ["Hide headers" gnus-article-hide-headers t]
3908 ["Hide signature" gnus-article-hide-signature t]
3909 ["Hide citation" gnus-article-hide-citation t]
3910 ["Treat overstrike" gnus-article-treat-overstrike t]
3911 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3912 ["Remove carriage return" gnus-article-remove-cr t]
3913 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3914 ["Treat html" gnus-article-wash-html t]
3915 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3916 ["Decode HZ" gnus-article-decode-HZ t]))
3918 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3920 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3922 (gnus-run-hooks 'gnus-article-menu-hook)))
3924 (defun gnus-article-mode ()
3925 "Major mode for displaying an article.
3927 All normal editing commands are switched off.
3929 The following commands are available in addition to all summary mode
3931 \\<gnus-article-mode-map>
3932 \\[gnus-article-next-page]\t Scroll the article one page forwards
3933 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3934 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3935 \\[gnus-article-show-summary]\t Display the summary buffer
3936 \\[gnus-article-mail]\t Send a reply to the address near point
3937 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3938 \\[gnus-info-find-node]\t Go to the Gnus info node"
3940 (kill-all-local-variables)
3941 (gnus-simplify-mode-line)
3942 (setq mode-name "Article")
3943 (setq major-mode 'gnus-article-mode)
3944 (make-local-variable 'minor-mode-alist)
3945 (unless (assq 'gnus-show-mime minor-mode-alist)
3946 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3947 (use-local-map gnus-article-mode-map)
3948 (when (gnus-visual-p 'article-menu 'menu)
3949 (gnus-article-make-menu-bar)
3950 (when gnus-summary-tool-bar-map
3951 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3952 (gnus-update-format-specifications nil 'article-mode)
3953 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3954 (set (make-local-variable 'gnus-page-broken) nil)
3955 (make-local-variable 'gnus-button-marker-list)
3956 (make-local-variable 'gnus-article-current-summary)
3957 (make-local-variable 'gnus-article-mime-handles)
3958 (make-local-variable 'gnus-article-decoded-p)
3959 (make-local-variable 'gnus-article-mime-handle-alist)
3960 (make-local-variable 'gnus-article-wash-types)
3961 (make-local-variable 'gnus-article-image-alist)
3962 (make-local-variable 'gnus-article-charset)
3963 (make-local-variable 'gnus-article-ignored-charsets)
3964 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3965 (set (make-local-variable 'nobreak-char-display) nil)
3966 (gnus-set-default-directory)
3967 (buffer-disable-undo)
3968 (setq buffer-read-only t
3969 show-trailing-whitespace nil)
3970 (set-syntax-table gnus-article-mode-syntax-table)
3971 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3973 (defun gnus-article-setup-buffer ()
3974 "Initialize the article buffer."
3975 (let* ((name (if gnus-single-article-buffer "*Article*"
3976 (concat "*Article " gnus-newsgroup-name "*")))
3978 (progn (string-match "\\*Article" name)
3979 (concat " *Original Article"
3980 (substring name (match-end 0))))))
3981 (setq gnus-article-buffer name)
3982 (setq gnus-original-article-buffer original)
3983 (setq gnus-article-mime-handle-alist nil)
3984 ;; This might be a variable local to the summary buffer.
3985 (unless gnus-single-article-buffer
3987 (set-buffer gnus-summary-buffer)
3988 (setq gnus-article-buffer name)
3989 (setq gnus-original-article-buffer original)
3990 (gnus-set-global-variables)))
3991 (gnus-article-setup-highlight-words)
3992 ;; Init original article buffer.
3994 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3995 (set-buffer-multibyte t)
3996 (setq major-mode 'gnus-original-article-mode)
3997 (make-local-variable 'gnus-original-article))
3998 (if (and (get-buffer name)
3999 (with-current-buffer name
4000 (if gnus-article-edit-mode
4001 (if (y-or-n-p "Article mode edit in progress; discard? ")
4003 (set-buffer-modified-p nil)
4004 (gnus-kill-buffer name)
4007 (error "Action aborted"))
4011 (set (make-local-variable 'gnus-article-edit-mode) nil)
4012 (buffer-disable-undo)
4013 (setq buffer-read-only t)
4014 ;; This list just keeps growing if we don't reset it.
4015 (setq gnus-button-marker-list nil)
4016 (unless (eq major-mode 'gnus-article-mode)
4017 (gnus-article-mode))
4020 (set-buffer (gnus-get-buffer-create name))
4022 (make-local-variable 'gnus-summary-buffer)
4023 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4024 (current-buffer)))))
4026 ;; Set article window start at LINE, where LINE is the number of lines
4027 ;; from the head of the article.
4028 (defun gnus-article-set-window-start (&optional line)
4030 (gnus-get-buffer-window gnus-article-buffer t)
4032 (set-buffer gnus-article-buffer)
4033 (goto-char (point-min))
4036 (gnus-message 6 "Moved to bookmark")
4037 (search-forward "\n\n" nil t)
4041 ;;; @@ article filters
4044 (defun gnus-article-display-mime-message ()
4045 "Article display method for MIME message."
4046 ;; called from `gnus-original-article-buffer'.
4047 (let (charset all-headers)
4048 (with-current-buffer gnus-summary-buffer
4049 (setq charset default-mime-charset
4050 all-headers gnus-have-all-headers))
4051 (make-local-variable 'default-mime-charset)
4052 (setq default-mime-charset charset)
4053 (with-current-buffer (get-buffer-create gnus-article-buffer)
4054 (make-local-variable 'default-mime-charset)
4055 (setq default-mime-charset charset))
4056 (mime-display-message mime-message-structure
4057 gnus-article-buffer nil gnus-article-mode-map)
4059 (gnus-article-hide-headers nil -1)))
4060 (run-hooks 'gnus-mime-article-prepare-hook))
4062 (defun gnus-article-display-traditional-message ()
4063 "Article display method for traditional message."
4064 (set-buffer gnus-article-buffer)
4065 (let ((inhibit-read-only t))
4067 (insert-buffer-substring gnus-original-article-buffer)))
4069 (defun gnus-article-make-full-mail-header (&optional number charset)
4070 "Create a new mail header structure in a raw article buffer."
4071 (unless (and number charset)
4072 (save-current-buffer
4073 (set-buffer gnus-summary-buffer)
4075 (setq number (or (cdr gnus-article-current) 0)))
4077 (setq charset (or default-mime-charset 'x-ctext)))))
4078 (goto-char (point-min))
4079 (let ((header-end (if (search-forward "\n\n" nil t)
4081 (goto-char (point-max))))
4082 (chars (- (point-max) (point)))
4083 (lines (count-lines (point) (point-max)))
4084 (default-mime-charset charset)
4086 (narrow-to-region (point-min) header-end)
4087 (setq xref (std11-fetch-field "xref"))
4089 (make-full-mail-header
4091 (std11-fetch-field "subject")
4092 (std11-fetch-field "from")
4093 (std11-fetch-field "date")
4094 (std11-fetch-field "message-id")
4095 (std11-fetch-field "references")
4098 (when xref (concat "Xref: " xref)))
4101 (defun gnus-article-prepare (article &optional all-headers header)
4102 "Prepare ARTICLE in article mode buffer.
4103 ARTICLE should either be an article number or a Message-ID.
4104 If ARTICLE is an id, HEADER should be the article headers.
4105 If ALL-HEADERS is non-nil, no headers are hidden."
4107 ;; Make sure we start in a summary buffer.
4108 (unless (eq major-mode 'gnus-summary-mode)
4109 (set-buffer gnus-summary-buffer))
4110 (setq gnus-summary-buffer (current-buffer))
4111 (let* ((gnus-article (if header (mail-header-number header) article))
4112 (summary-buffer (current-buffer))
4113 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4114 (group gnus-newsgroup-name)
4117 (gnus-article-setup-buffer)
4118 (set-buffer gnus-article-buffer)
4119 ;; Deactivate active regions.
4120 (when (and (boundp 'transient-mark-mode)
4121 transient-mark-mode)
4122 (setq mark-active nil))
4123 (if (not (setq result (let ((inhibit-read-only t))
4124 (gnus-request-article-this-buffer
4126 ;; There is no such article.
4128 (when (and (numberp article)
4129 (not (memq article gnus-newsgroup-sparse)))
4130 (setq gnus-article-current
4131 (cons gnus-newsgroup-name article))
4132 (set-buffer gnus-summary-buffer)
4133 (setq gnus-current-article article)
4134 (if (and (memq article gnus-newsgroup-undownloaded)
4135 (not (gnus-online (gnus-find-method-for-group
4136 gnus-newsgroup-name))))
4138 (gnus-summary-set-agent-mark article)
4139 (message "Message marked for downloading"))
4140 (gnus-summary-mark-article article gnus-canceled-mark)
4141 (unless (memq article gnus-newsgroup-sparse)
4142 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4143 (if (or (eq result 'pseudo)
4144 (eq result 'nneething))
4147 (set-buffer summary-buffer)
4148 (push article gnus-newsgroup-history)
4149 (setq gnus-last-article gnus-current-article
4150 gnus-current-article 0
4151 gnus-current-headers nil
4152 gnus-article-current nil)
4153 (if (eq result 'nneething)
4154 (gnus-configure-windows 'summary)
4155 (gnus-configure-windows 'article))
4156 (gnus-set-global-variables))
4157 (let ((gnus-article-mime-handle-alist-1
4158 gnus-article-mime-handle-alist))
4159 (gnus-set-mode-line 'article)))
4160 ;; The result from the `request' was an actual article -
4161 ;; or at least some text that is now displayed in the
4163 (when (and (numberp article)
4164 (not (eq article gnus-current-article)))
4165 ;; Seems like a new article has been selected.
4166 ;; `gnus-current-article' must be an article number.
4168 (set-buffer summary-buffer)
4169 (push article gnus-newsgroup-history)
4170 (setq gnus-last-article gnus-current-article
4171 gnus-current-article article
4172 gnus-current-headers
4173 (gnus-summary-article-header gnus-current-article)
4174 gnus-article-current
4175 (cons gnus-newsgroup-name gnus-current-article))
4176 (unless (vectorp gnus-current-headers)
4177 (setq gnus-current-headers nil))
4178 (gnus-summary-goto-subject gnus-current-article)
4179 (when (gnus-summary-show-thread)
4180 ;; If the summary buffer really was folded, the
4181 ;; previous goto may not actually have gone to
4182 ;; the right article, but the thread root instead.
4184 (gnus-summary-goto-subject gnus-current-article))
4185 (gnus-run-hooks 'gnus-mark-article-hook)
4186 (gnus-set-mode-line 'summary)
4187 (when (gnus-visual-p 'article-highlight 'highlight)
4188 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4189 ;; Set the global newsgroup variables here.
4190 (gnus-set-global-variables)
4191 (setq gnus-have-all-headers
4192 (or all-headers gnus-show-all-headers))))
4194 (gnus-configure-windows 'article))
4195 (when (or (numberp article)
4197 (gnus-article-prepare-display)
4199 (goto-char (point-min))
4200 (when gnus-break-pages
4201 (gnus-narrow-to-page)))
4202 (let ((gnus-article-mime-handle-alist-1
4203 gnus-article-mime-handle-alist))
4204 (gnus-set-mode-line 'article))
4208 (set-window-point (get-buffer-window (current-buffer)) (point))
4209 (gnus-configure-windows 'article)
4212 (defun gnus-article-prepare-mime-display (&optional number)
4213 (goto-char (point-min))
4214 (when (re-search-forward "^[^\t ]+:" nil t)
4215 (goto-char (match-beginning 0)))
4216 (let ((entity (if (eq 1 (point-min))
4217 (get-text-property 1 'mime-view-entity)
4218 (get-text-property (point) 'mime-view-entity)))
4219 last-entity child-entity next type)
4220 (setq child-entity (mime-entity-children entity))
4222 (setq last-entity (nth (1- (length child-entity))
4224 (setq last-entity entity))
4226 (narrow-to-region (point)
4227 (if (search-forward "\n\n" nil t)
4230 (gnus-article-save-original-date (gnus-treat-article 'head))
4231 (put-text-property (point-min) (point-max) 'article-treated-header t)
4232 (goto-char (point-max)))
4233 (while (and (not (eobp)) entity)
4234 (setq next (set-marker
4236 (next-single-property-change (point) 'mime-view-entity
4238 (let ((types (mime-entity-content-type entity)))
4239 (while (eq 'multipart (mime-content-type-primary-type types))
4240 (setq entity (car (mime-entity-children entity))
4241 types (mime-entity-content-type entity)))
4243 (setq type (format "%s/%s"
4244 (mime-content-type-primary-type types)
4245 (mime-content-type-subtype types)))))
4246 (if (string-equal type "message/rfc822")
4249 (let ((children (mime-entity-children entity))
4252 (setq last-children (nth (1- (length children)) children))
4255 (not (eq last-children
4256 (get-text-property next 'mime-view-entity)))
4258 (next-single-property-change next
4260 nil (point-max)))))))
4261 (setq next (next-single-property-change next 'mime-view-entity
4264 (narrow-to-region (point) next)
4265 (gnus-article-prepare-mime-display)
4266 (goto-char (point-max)))
4267 (setq entity (get-text-property (point) 'mime-view-entity)))
4269 (narrow-to-region (point) next)
4270 ;; Kludge. We have to count true number, but for now,
4271 ;; part number is here only to achieve `last'.
4272 (gnus-treat-article nil 1
4273 (if (eq entity last-entity)
4276 (goto-char (point-max)))
4277 (setq entity (get-text-property next 'mime-view-entity))))))
4280 (defun gnus-article-prepare-display ()
4281 "Make the current buffer look like a nice article."
4282 (let ((gnus-article-buffer (current-buffer))
4284 (inhibit-read-only t))
4285 (unless (eq major-mode 'gnus-article-mode)
4286 (gnus-article-mode))
4287 (setq buffer-read-only nil
4288 gnus-button-marker-list nil
4289 gnus-article-wash-types nil
4290 gnus-article-image-alist nil)
4293 (static-if (featurep 'xemacs)
4294 (map-extents (lambda (extent maparg) (delete-extent extent)))
4295 (let ((lists (overlay-lists)))
4296 (dolist (overlay (nconc (car lists) (cdr lists)))
4297 (delete-overlay overlay)))))
4298 (gnus-run-hooks 'gnus-tmp-internal-hook))
4299 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4302 (inhibit-read-only t))
4303 (set-buffer gnus-original-article-buffer)
4305 (setq mime-message-structure gnus-current-headers)
4306 (mime-buffer-entity-set-buffer-internal mime-message-structure
4307 gnus-original-article-buffer)
4308 (mime-entity-set-representation-type-internal mime-message-structure
4309 'mime-buffer-entity)
4310 (luna-send mime-message-structure 'initialize-instance
4311 mime-message-structure)
4313 (let (mime-display-header-hook mime-display-text/plain-hook)
4314 (funcall gnus-article-display-method-for-mime))
4315 (funcall gnus-article-display-method-for-traditional))
4316 ;; Call the treatment functions.
4320 (gnus-article-prepare-mime-display)
4321 (narrow-to-region (goto-char (point-min))
4322 (if (search-forward "\n\n" nil t)
4325 (gnus-article-save-original-date (gnus-treat-article 'head))
4326 (put-text-property (point-min) (point-max) 'article-treated-header t)
4327 (goto-char (point-max))
4329 (narrow-to-region (point) (point-max))
4330 (gnus-treat-article nil))
4331 (put-text-property (point-min) (point-max) 'read-only nil)))
4332 (gnus-run-hooks 'gnus-article-prepare-hook))
4334 (defun gnus-article-decode-article-as-default-mime-charset ()
4335 "Decode an article as `default-mime-charset'. It won't work if the
4336 value of the variable `gnus-show-mime' is non-nil."
4337 (unless (or gnus-show-mime
4338 (member gnus-newsgroup-name '("nndraft:delayed"
4340 (set (make-local-variable 'default-mime-charset)
4341 (with-current-buffer gnus-summary-buffer
4342 default-mime-charset))
4343 (decode-mime-charset-region (point-min) (point-max)
4344 default-mime-charset)))
4347 ;;; Gnus MIME viewing functions
4350 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4351 "Format of the MIME buttons.
4353 Valid specifiers include:
4355 %T MIME type, along with additional info
4356 %n The `name' parameter
4357 %d The description, if any
4358 %l The length of the encoded part
4359 %p The part identifier number
4360 %e Dots if the part isn't displayed
4362 General format specifiers can also be used. See Info node
4363 `(gnus)Formatting Variables'.")
4365 (defvar gnus-mime-button-line-format-alist
4366 '((?t gnus-tmp-type ?s)
4367 (?T gnus-tmp-type-long ?s)
4368 (?n gnus-tmp-name ?s)
4369 (?d gnus-tmp-description ?s)
4371 (?l gnus-tmp-length ?d)
4372 (?e gnus-tmp-dots ?s)))
4374 (defvar gnus-mime-button-commands
4375 '((gnus-article-press-button "\r" "Toggle Display")
4376 (gnus-mime-view-part "v" "View Interactively...")
4377 (gnus-mime-view-part-as-type "t" "View As Type...")
4378 (gnus-mime-view-part-as-charset "C" "View As charset...")
4379 (gnus-mime-save-part "o" "Save...")
4380 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4381 (gnus-mime-delete-part "d" "Delete part")
4382 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4383 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4384 (gnus-mime-view-part-internally "E" "View Internally")
4385 (gnus-mime-view-part-externally "e" "View Externally")
4386 (gnus-mime-print-part "p" "Print")
4387 (gnus-mime-pipe-part "|" "Pipe To Command...")
4388 (gnus-mime-action-on-part "." "Take action on the part...")))
4390 (defun gnus-article-mime-part-status ()
4391 (with-current-buffer gnus-article-buffer
4392 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4395 (setq children (mime-entity-children entity))
4396 (setq children (length children)))
4399 (format " (%d parts)" children))
4402 (defvar gnus-mime-button-map
4403 (let ((map (make-sparse-keymap)))
4404 (define-key map gnus-mouse-2 'gnus-article-push-button)
4405 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4406 (dolist (c gnus-mime-button-commands)
4407 (define-key map (cadr c) (car c)))
4411 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4413 ,@(mapcar (lambda (c)
4414 (vector (caddr c) (car c) :enable t))
4415 gnus-mime-button-commands)))
4417 (defun gnus-mime-button-menu (event prefix)
4418 "Construct a context-sensitive menu of MIME commands."
4419 (interactive "e\nP")
4420 (save-window-excursion
4421 (let ((pos (event-start event)))
4422 (select-window (posn-window pos))
4423 (goto-char (posn-point pos))
4424 (gnus-article-check-buffer)
4425 (popup-menu gnus-mime-button-menu nil prefix))))
4427 (defun gnus-mime-view-all-parts (&optional handles)
4428 "View all the MIME parts."
4430 (with-current-buffer gnus-article-buffer
4431 (let ((handles (or handles gnus-article-mime-handles))
4432 (mail-parse-charset gnus-newsgroup-charset)
4433 (mail-parse-ignored-charsets
4434 (with-current-buffer gnus-summary-buffer
4435 gnus-newsgroup-ignored-charsets)))
4437 (mm-remove-parts handles)
4438 (goto-char (point-min))
4439 (or (search-forward "\n\n") (goto-char (point-max)))
4440 (let ((inhibit-read-only t))
4441 (delete-region (point) (point-max))
4442 (mm-display-parts handles))))))
4445 (defsubst gnus-article-edit-part (handles)
4446 "Edit an article in order to delete a mime part.
4447 This function is exclusively used by `gnus-mime-save-part-and-strip'
4448 and `gnus-mime-delete-part', and not provided at run-time normally."
4449 (gnus-article-edit-article
4451 (buffer-disable-undo)
4453 (let ((mail-parse-charset (or gnus-article-charset
4454 ',gnus-newsgroup-charset))
4455 (mail-parse-ignored-charsets
4456 (or gnus-article-ignored-charsets
4457 ',gnus-newsgroup-ignored-charsets))
4458 (mbl mml-buffer-list))
4459 (setq mml-buffer-list nil)
4460 (insert-buffer-substring gnus-original-article-buffer)
4461 (mime-to-mml ',handles)
4462 (setq gnus-article-mime-handles nil)
4463 (let ((mbl1 mml-buffer-list))
4464 (setq mml-buffer-list mbl)
4465 (set (make-local-variable 'mml-buffer-list) mbl1))
4466 (gnus-make-local-hook 'kill-buffer-hook)
4467 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4468 `(lambda (no-highlight)
4469 (let ((mail-parse-charset (or gnus-article-charset
4470 ',gnus-newsgroup-charset))
4471 (message-options message-options)
4472 (message-options-set-recipient)
4473 (mail-parse-ignored-charsets
4474 (or gnus-article-ignored-charsets
4475 ',gnus-newsgroup-ignored-charsets)))
4477 (mml-destroy-buffers)
4478 (remove-hook 'kill-buffer-hook
4479 'mml-destroy-buffers t)
4480 (kill-local-variable 'mml-buffer-list))
4481 (gnus-summary-edit-article-done
4482 ,(or (mail-header-references gnus-current-headers) "")
4483 ,(gnus-group-read-only-p)
4484 ,gnus-summary-buffer no-highlight)))
4485 (gnus-article-edit-done)
4486 (gnus-summary-expand-window)
4487 (gnus-summary-show-article)))
4489 (defun gnus-mime-save-part-and-strip ()
4490 "Save the MIME part under point then replace it with an external body."
4492 (gnus-article-check-buffer)
4493 (when (gnus-group-read-only-p)
4494 (error "The current group does not support deleting of parts"))
4495 (when (mm-complicated-handles gnus-article-mime-handles)
4497 The current article has a complicated MIME structure, giving up..."))
4498 (when (gnus-yes-or-no-p "\
4499 Deleting parts may malfunction or destroy the article; continue? ")
4500 (let* ((data (get-text-property (point) 'gnus-data))
4502 (handles gnus-article-mime-handles))
4503 (setq file (and data (mm-save-part data)))
4505 (with-current-buffer (mm-handle-buffer data)
4507 (insert "Content-Type: " (mm-handle-media-type data))
4508 (mml-insert-parameter-string (cdr (mm-handle-type data))
4511 (insert "Content-ID: " (message-make-message-id) "\n")
4512 (insert "Content-Transfer-Encoding: binary\n")
4515 (cdr (mm-make-handle nil
4516 `("message/external-body"
4517 (access-type . "LOCAL-FILE")
4519 (set-buffer gnus-summary-buffer)
4520 (gnus-article-edit-part handles)))))
4522 (defun gnus-mime-delete-part ()
4523 "Delete the MIME part under point.
4524 Replace it with some information about the removed part."
4526 (gnus-article-check-buffer)
4527 (when (gnus-group-read-only-p)
4528 (error "The current group does not support deleting of parts"))
4529 (when (mm-complicated-handles gnus-article-mime-handles)
4531 The current article has a complicated MIME structure, giving up..."))
4532 (when (gnus-yes-or-no-p "\
4533 Deleting parts may malfunction or destroy the article; continue? ")
4534 (let* ((data (get-text-property (point) 'gnus-data))
4535 (handles gnus-article-mime-handles)
4539 (mail-decode-encoded-word-string (or (mm-handle-description data)
4542 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4544 (type (mm-handle-media-type data)))
4546 (error "No MIME part under point"))
4547 (with-current-buffer (mm-handle-buffer data)
4548 (let ((bsize (format "%s" (buffer-size))))
4553 "| The following attachment has been deleted:\n"
4555 "| Type: " type "\n"
4556 "| Filename: " filename "\n"
4557 "| Size (encoded): " bsize " Byte\n"
4558 "| Description: " description "\n"
4561 (cdr (mm-make-handle
4562 nil `("text/plain") nil nil
4564 (format "Deleted attachment (%s bytes)" bsize))))))
4565 (set-buffer gnus-summary-buffer)
4566 (gnus-article-edit-part handles))))
4568 (defun gnus-mime-save-part ()
4569 "Save the MIME part under point."
4571 (gnus-article-check-buffer)
4572 (let ((data (get-text-property (point) 'gnus-data)))
4574 (mm-save-part data))))
4576 (defun gnus-mime-pipe-part ()
4577 "Pipe the MIME part under point to a process."
4579 (gnus-article-check-buffer)
4580 (let ((data (get-text-property (point) 'gnus-data)))
4582 (mm-pipe-part data))))
4584 (defun gnus-mime-view-part ()
4585 "Interactively choose a viewing method for the MIME part under point."
4587 (gnus-article-check-buffer)
4588 (let ((data (get-text-property (point) 'gnus-data)))
4590 (setq gnus-article-mime-handles
4592 gnus-article-mime-handles (setq data (copy-sequence data))))
4593 (mm-interactively-view-part data))))
4595 (defun gnus-mime-view-part-as-type-internal ()
4596 (gnus-article-check-buffer)
4597 (let* ((name (mail-content-type-get
4598 (mm-handle-type (get-text-property (point) 'gnus-data))
4600 (def-type (and name (mm-default-file-encoding name))))
4601 (and def-type (cons def-type 0))))
4603 (defun gnus-mime-view-part-as-type (&optional mime-type)
4604 "Choose a MIME media type, and view the part as such."
4607 (setq mime-type (completing-read
4608 "View as MIME type: "
4609 (mapcar #'list (mailcap-mime-types))
4611 (gnus-mime-view-part-as-type-internal))))
4612 (gnus-article-check-buffer)
4613 (let ((handle (get-text-property (point) 'gnus-data)))
4616 (mm-make-handle (mm-handle-buffer handle)
4617 (cons mime-type (cdr (mm-handle-type handle)))
4618 (mm-handle-encoding handle)
4619 (mm-handle-undisplayer handle)
4620 (mm-handle-disposition handle)
4621 (mm-handle-description handle)
4623 (mm-handle-id handle)))
4624 (setq gnus-article-mime-handles
4625 (mm-merge-handles gnus-article-mime-handles handle))
4626 (gnus-mm-display-part handle))))
4628 (defun gnus-mime-copy-part (&optional handle arg)
4629 "Put the MIME part under point into a new buffer.
4630 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4632 (interactive (list nil current-prefix-arg))
4633 (gnus-article-check-buffer)
4635 (setq handle (get-text-property (point) 'gnus-data)))
4637 (let ((filename (or (mail-content-type-get (mm-handle-disposition handle)
4639 (mail-content-type-get (mm-handle-disposition handle)
4641 contents dont-decode charset coding-system)
4642 (mm-with-unibyte-buffer
4643 (mm-insert-part handle)
4644 (setq contents (or (condition-case nil
4645 (mm-decompress-buffer filename nil 'sig)
4647 (setq dont-decode t)
4650 (setq filename (cond (filename (file-name-nondirectory filename))
4651 (dont-decode "*raw data*")
4656 (unless (setq charset (mail-content-type-get
4657 (mm-handle-type handle) 'charset))
4658 (unless (setq coding-system (mm-with-unibyte-buffer
4660 (mm-find-buffer-file-coding-system)))
4661 (setq charset gnus-newsgroup-charset))))
4663 (setq charset (or (cdr (assq arg
4664 gnus-summary-show-article-charset-alist))
4665 (mm-read-coding-system "Charset: ")))))
4666 (switch-to-buffer (generate-new-buffer filename))
4667 (if (or coding-system
4669 (setq coding-system (mm-charset-to-coding-system charset))
4670 (not (eq charset 'ascii))))
4672 (mm-enable-multibyte)
4673 (insert (mm-decode-coding-string contents coding-system))
4674 (setq buffer-file-coding-system
4675 (if (boundp 'last-coding-system-used)
4676 (symbol-value 'last-coding-system-used)
4678 (mm-disable-multibyte)
4680 (setq buffer-file-coding-system mm-binary-coding-system))
4681 ;; We do it this way to make `normal-mode' set the appropriate mode.
4684 (setq buffer-file-name (expand-file-name filename))
4686 (setq buffer-file-name nil))
4687 (goto-char (point-min)))))
4689 (defun gnus-mime-print-part (&optional handle filename)
4690 "Print the MIME part under point."
4691 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4692 (gnus-article-check-buffer)
4693 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4694 (contents (and handle (mm-get-part handle)))
4695 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4696 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4701 (mm-save-part-to-file handle file)
4702 (call-process shell-file-name nil
4703 (generate-new-buffer " *mm*")
4705 shell-command-switch
4707 printer file (mm-handle-type handle))))
4711 (gnus-print-buffer))
4712 (ps-despool filename)))))
4714 (defun gnus-mime-inline-part (&optional handle arg)
4715 "Insert the MIME part under point into the current buffer.
4716 Compressed files like .gz and .bz2 are decompressed."
4717 (interactive (list nil current-prefix-arg))
4718 (gnus-article-check-buffer)
4720 (setq handle (get-text-property (point) 'gnus-data)))
4723 (inhibit-read-only t)
4724 contents charset coding-system)
4725 (if (and (not arg) (mm-handle-undisplayer handle))
4726 (mm-remove-part handle)
4727 (mm-with-unibyte-buffer
4728 (mm-insert-part handle)
4730 (or (mm-decompress-buffer
4731 (or (mail-content-type-get (mm-handle-disposition handle)
4733 (mail-content-type-get (mm-handle-disposition handle)
4739 (unless (setq charset (mail-content-type-get
4740 (mm-handle-type handle) 'charset))
4741 (unless (setq coding-system
4742 (mm-with-unibyte-buffer
4744 (mm-find-buffer-file-coding-system)))
4745 (setq charset gnus-newsgroup-charset))))
4747 (if (mm-handle-undisplayer handle)
4748 (mm-remove-part handle))
4751 gnus-summary-show-article-charset-alist))
4752 (mm-read-coding-system "Charset: "))))
4754 (if (mm-handle-undisplayer handle)
4755 (mm-remove-part handle))))
4759 (if (or coding-system
4762 (mm-charset-to-coding-system charset))
4763 (not (eq coding-system 'ascii))))
4764 (mm-decode-coding-string contents coding-system)
4765 (mm-string-to-multibyte contents)))
4768 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4769 "Insert the MIME part under point into the current buffer using the
4771 (interactive (list nil current-prefix-arg))
4772 (gnus-article-check-buffer)
4773 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4776 (inhibit-read-only t))
4778 (if (mm-handle-undisplayer handle)
4779 (mm-remove-part handle))
4780 (let ((gnus-newsgroup-charset
4782 gnus-summary-show-article-charset-alist))
4783 (mm-read-coding-system "Charset: ")))
4784 (gnus-newsgroup-ignored-charsets 'gnus-all))
4785 (gnus-article-press-button)))))
4787 (defun gnus-mime-view-part-externally (&optional handle)
4788 "View the MIME part under point with an external viewer."
4790 (gnus-article-check-buffer)
4791 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4792 (mm-user-display-methods nil)
4793 (mm-inlined-types nil)
4794 (mail-parse-charset gnus-newsgroup-charset)
4795 (mail-parse-ignored-charsets
4796 (with-current-buffer gnus-summary-buffer
4797 gnus-newsgroup-ignored-charsets)))
4799 (if (mm-handle-undisplayer handle)
4800 (mm-remove-part handle)
4801 (mm-display-part handle)))))
4803 (defun gnus-mime-view-part-internally (&optional handle)
4804 "View the MIME part under point with an internal viewer.
4805 If no internal viewer is available, use an external viewer."
4807 (gnus-article-check-buffer)
4808 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4809 (mm-inlined-types '(".*"))
4810 (mm-inline-large-images t)
4811 (mail-parse-charset gnus-newsgroup-charset)
4812 (mail-parse-ignored-charsets
4813 (with-current-buffer gnus-summary-buffer
4814 gnus-newsgroup-ignored-charsets))
4815 (inhibit-read-only t))
4817 (if (mm-handle-undisplayer handle)
4818 (mm-remove-part handle)
4819 (mm-display-part handle)))))
4821 (defun gnus-mime-action-on-part (&optional action)
4822 "Do something with the MIME attachment at \(point\)."
4824 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4825 (gnus-article-check-buffer)
4826 (let ((action-pair (assoc action gnus-mime-action-alist)))
4828 (funcall (cdr action-pair)))))
4830 (defun gnus-article-part-wrapper (n function)
4831 (with-current-buffer gnus-article-buffer
4832 (when (> n (length gnus-article-mime-handle-alist))
4833 (error "No such part"))
4834 (gnus-article-goto-part n)
4835 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4836 (funcall function handle))))
4838 (defun gnus-article-pipe-part (n)
4839 "Pipe MIME part N, which is the numerical prefix."
4841 (gnus-article-part-wrapper n 'mm-pipe-part))
4843 (defun gnus-article-save-part (n)
4844 "Save MIME part N, which is the numerical prefix."
4846 (gnus-article-part-wrapper n 'mm-save-part))
4848 (defun gnus-article-interactively-view-part (n)
4849 "View MIME part N interactively, which is the numerical prefix."
4851 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4853 (defun gnus-article-copy-part (n)
4854 "Copy MIME part N, which is the numerical prefix."
4856 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4858 (defun gnus-article-view-part-as-charset (n)
4859 "View MIME part N using a specified charset.
4860 N is the numerical prefix."
4862 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4864 (defun gnus-article-view-part-externally (n)
4865 "View MIME part N externally, which is the numerical prefix."
4867 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4869 (defun gnus-article-inline-part (n)
4870 "Inline MIME part N, which is the numerical prefix."
4872 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4874 (defun gnus-article-mime-match-handle-first (condition)
4877 (dolist (ihandle gnus-article-mime-handle-alist)
4879 ((functionp condition)
4880 (funcall condition (cdr ihandle)))
4881 ((eq condition 'undisplayed)
4882 (not (or (mm-handle-undisplayer (cdr ihandle))
4883 (equal (mm-handle-media-type (cdr ihandle))
4884 "multipart/alternative"))))
4885 ((eq condition 'undisplayed-alternative)
4886 (not (mm-handle-undisplayer (cdr ihandle))))
4888 (gnus-article-goto-part (car ihandle))
4889 (or (not n) (< (car ihandle) n)))
4890 (setq n (car ihandle))))
4894 (defun gnus-article-view-part (&optional n)
4895 "View MIME part N, which is the numerical prefix."
4897 (with-current-buffer gnus-article-buffer
4898 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4899 gnus-article-mime-match-handle-function)))
4900 (when (> n (length gnus-article-mime-handle-alist))
4901 (error "No such part"))
4902 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4903 (when (gnus-article-goto-part n)
4904 (if (equal (car handle) "multipart/alternative")
4905 (gnus-article-press-button)
4906 (when (eq (gnus-mm-display-part handle) 'internal)
4907 (gnus-set-window-start)))))))
4909 (defsubst gnus-article-mime-total-parts ()
4910 (if (bufferp (car gnus-article-mime-handles))
4912 (1- (length gnus-article-mime-handles))))
4914 (defun gnus-mm-display-part (handle)
4915 "Display HANDLE and fix MIME button."
4916 (let ((id (get-text-property (point) 'gnus-part))
4918 (inhibit-read-only t))
4921 (let ((window (selected-window))
4922 (mail-parse-charset gnus-newsgroup-charset)
4923 (mail-parse-ignored-charsets
4924 (if (gnus-buffer-live-p gnus-summary-buffer)
4925 (with-current-buffer gnus-summary-buffer
4926 gnus-newsgroup-ignored-charsets)
4930 (let ((win (gnus-get-buffer-window (current-buffer) t))
4933 (select-window win))
4936 (if (mm-handle-displayed-p handle)
4937 ;; This will remove the part.
4938 (mm-display-part handle)
4940 (narrow-to-region (point)
4941 (if (eobp) (point) (1+ (point))))
4942 (mm-display-part handle)
4943 ;; We narrow to the part itself and
4944 ;; then call the treatment functions.
4945 (goto-char (point-min))
4947 (narrow-to-region (point) (point-max))
4950 (gnus-article-mime-total-parts)
4951 (mm-handle-media-type handle)))))
4952 (if (window-live-p window)
4953 (select-window window)))))
4956 (gnus-insert-mime-button
4957 handle id (list (mm-handle-displayed-p handle)))
4958 (goto-char point))))
4960 (defun gnus-article-goto-part (n)
4961 "Go to MIME part N."
4962 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4964 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4965 (let ((gnus-tmp-name
4966 (or (mail-content-type-get (mm-handle-type handle) 'name)
4967 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4968 (mail-content-type-get (mm-handle-type handle) 'url)
4970 (gnus-tmp-type (mm-handle-media-type handle))
4971 (gnus-tmp-description
4972 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4975 (if (if displayed (car displayed)
4976 (mm-handle-displayed-p handle))
4978 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4980 gnus-tmp-type-long b e)
4981 (when (string-match ".*/" gnus-tmp-name)
4982 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4983 (setq gnus-tmp-type-long (concat gnus-tmp-type
4984 (and (not (equal gnus-tmp-name ""))
4985 (concat "; " gnus-tmp-name))))
4986 (unless (equal gnus-tmp-description "")
4987 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4992 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4993 `(keymap ,gnus-mime-button-map
4994 gnus-callback gnus-mm-display-part
4995 gnus-part ,gnus-tmp-id
4996 article-type annotation
4999 ;; Exclude a newline.
5002 (widget-convert-button
5005 :action 'gnus-widget-press-button
5006 :button-keymap gnus-mime-button-map
5008 (lambda (widget/window &optional overlay pos)
5009 ;; Needed to properly clear the message due to a bug in
5010 ;; wid-edit (XEmacs only).
5011 (if (boundp 'help-echo-owns-message)
5012 (setq help-echo-owns-message t))
5014 "%S: %s the MIME part; %S: more options"
5015 (aref gnus-mouse-2 0)
5016 ;; XEmacs will get a single widget arg; Emacs 21 will get
5017 ;; window, overlay, position.
5018 (if (mm-handle-displayed-p
5020 (with-current-buffer (gnus-overlay-buffer overlay)
5021 (widget-get (widget-at (gnus-overlay-start overlay))
5023 (widget-get widget/window :mime-handle)))
5025 (aref gnus-down-mouse-3 0))))))
5027 (defun gnus-widget-press-button (elems el)
5028 (goto-char (widget-get elems :from))
5029 (gnus-article-press-button))
5031 (defvar gnus-displaying-mime nil)
5033 (defun gnus-display-mime (&optional ihandles)
5034 "Display the MIME parts."
5036 (save-selected-window
5037 (let ((window (get-buffer-window gnus-article-buffer))
5040 (select-window window)
5041 ;; We have to do this since selecting the window
5042 ;; may change the point. So we set the window point.
5043 (set-window-point window point)))
5044 (let ((handles ihandles)
5045 (inhibit-read-only t)
5048 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5049 (when gnus-article-emulate-mime
5050 (mm-uu-dissect-text-parts handles)))
5051 (gnus-article-emulate-mime
5052 (setq handles (mm-uu-dissect))))
5053 (when (and (not ihandles)
5054 (not gnus-displaying-mime))
5055 ;; Top-level call; we clean up.
5056 (when gnus-article-mime-handles
5057 (mm-destroy-parts gnus-article-mime-handles)
5058 (setq gnus-article-mime-handle-alist nil));; A trick.
5059 (setq gnus-article-mime-handles handles)
5060 ;; We allow users to glean info from the handles.
5061 (when gnus-article-mime-part-function
5062 (gnus-mime-part-function handles)))
5064 (or (not (stringp (car handles)))
5067 (when (and (not ihandles)
5068 (not gnus-displaying-mime))
5069 ;; Clean up for mime parts.
5071 (delete-region (point) (point-max)))
5072 (let ((gnus-displaying-mime t))
5073 (gnus-mime-display-part handles)))
5076 (narrow-to-region (point) (point-max))
5077 (gnus-treat-article nil 1 1)
5080 ;; Highlight the headers.
5084 (narrow-to-region (point-min) (point))
5085 (gnus-article-save-original-date
5086 (gnus-treat-article 'head)))))))))
5088 (defcustom gnus-mime-display-multipart-as-mixed nil
5089 "Display \"multipart\" parts as \"multipart/mixed\".
5091 If t, it overrides nil values of
5092 `gnus-mime-display-multipart-alternative-as-mixed' and
5093 `gnus-mime-display-multipart-related-as-mixed'."
5094 :group 'gnus-article-mime
5097 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5098 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5100 :group 'gnus-article-mime
5103 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5104 "Display \"multipart/related\" parts as \"multipart/mixed\".
5106 If displaying \"text/html\" is discouraged \(see
5107 `mm-discouraged-alternatives'\) images or other material inside a
5108 \"multipart/related\" part might be overlooked when this variable is nil."
5110 :group 'gnus-article-mime
5113 (defun gnus-mime-display-part (handle)
5116 ((not (stringp (car handle)))
5117 (gnus-mime-display-single handle))
5118 ;; User-defined multipart
5119 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5120 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5122 ;; multipart/alternative
5123 ((and (equal (car handle) "multipart/alternative")
5124 (not (or gnus-mime-display-multipart-as-mixed
5125 gnus-mime-display-multipart-alternative-as-mixed)))
5126 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5127 (push (cons id handle) gnus-article-mime-handle-alist)
5128 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5129 ;; multipart/related
5130 ((and (equal (car handle) "multipart/related")
5131 (not (or gnus-mime-display-multipart-as-mixed
5132 gnus-mime-display-multipart-related-as-mixed)))
5133 ;;;!!!We should find the start part, but we just default
5134 ;;;!!!to the first part.
5135 ;;(gnus-mime-display-part (cadr handle))
5136 ;;;!!! Most multipart/related is an HTML message plus images.
5137 ;;;!!! Unfortunately we are unable to let W3 display those
5138 ;;;!!! included images, so we just display it as a mixed multipart.
5139 ;;(gnus-mime-display-mixed (cdr handle))
5140 ;;;!!! No, w3 can display everything just fine.
5141 (gnus-mime-display-part (cadr handle)))
5142 ((equal (car handle) "multipart/signed")
5143 (gnus-add-wash-type 'signed)
5144 (gnus-mime-display-security handle))
5145 ((equal (car handle) "multipart/encrypted")
5146 (gnus-add-wash-type 'encrypted)
5147 (gnus-mime-display-security handle))
5148 ;; Other multiparts are handled like multipart/mixed.
5150 (gnus-mime-display-mixed (cdr handle)))))
5152 (defun gnus-mime-part-function (handles)
5153 (if (stringp (car handles))
5154 (mapcar 'gnus-mime-part-function (cdr handles))
5155 (funcall gnus-article-mime-part-function handles)))
5157 (defun gnus-mime-display-mixed (handles)
5158 (mapcar 'gnus-mime-display-part handles))
5160 (defun gnus-mime-display-single (handle)
5161 (let ((type (mm-handle-media-type handle))
5162 (ignored gnus-ignored-mime-types)
5169 (when (string-match (pop ignored) type)
5170 (throw 'ignored nil)))
5171 (if (and (setq not-attachment
5172 (and (not (mm-inline-override-p handle))
5173 (or (not (mm-handle-disposition handle))
5174 (equal (car (mm-handle-disposition handle))
5176 (mm-attachment-override-p handle))))
5177 (mm-automatic-display-p handle)
5179 (mm-inlinable-p handle)
5180 (mm-inlined-p handle))
5181 (mm-automatic-external-display-p type)))
5183 (when (equal (mm-handle-media-supertype handle) "text")
5185 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5187 (push (cons id handle) gnus-article-mime-handle-alist)
5188 (when (or (not display)
5189 (not (gnus-unbuttonized-mime-type-p type)))
5190 (gnus-insert-mime-button
5191 handle id (list (or display (and not-attachment text))))
5192 (gnus-article-insert-newline)
5193 ;; Remember modify the number of forward lines.
5201 (let ((mail-parse-charset gnus-newsgroup-charset)
5202 (mail-parse-ignored-charsets
5203 (save-excursion (condition-case ()
5204 (set-buffer gnus-summary-buffer)
5206 gnus-newsgroup-ignored-charsets)))
5207 (mm-display-part handle t))
5208 (goto-char (point-max)))
5209 ((and text not-attachment)
5213 (gnus-article-insert-newline)
5214 (mm-display-inline handle)
5215 (goto-char (point-max))))
5219 (narrow-to-region beg (point))
5222 (gnus-article-mime-total-parts)
5223 (mm-handle-media-type handle)))))))))
5225 (defun gnus-unbuttonized-mime-type-p (type)
5226 "Say whether TYPE is to be unbuttonized."
5227 (unless gnus-inhibit-mime-unbuttonizing
5229 (let ((types gnus-unbuttonized-mime-types))
5231 (when (string-match (pop types) type)
5232 (throw 'found t)))))
5234 (let ((types gnus-buttonized-mime-types))
5236 (when (string-match (pop types) type)
5237 (throw 'found t)))))))))
5239 (defun gnus-article-insert-newline ()
5240 "Insert a newline, but mark it as undeletable."
5241 (gnus-put-text-property
5242 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5244 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5245 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5248 handle (inhibit-read-only t) from props begend not-pref)
5249 (save-window-excursion
5252 (narrow-to-region (car ibegend)
5255 (goto-char (car ibegend))
5258 (delete-region (point-min) (point-max))
5259 (mm-remove-parts handles))
5260 (setq begend (list (point-marker)))
5262 (unless (setq not-pref (cadr (member preferred ihandles)))
5263 (setq not-pref (car ihandles)))
5266 (not (gnus-unbuttonized-mime-type-p
5267 "multipart/alternative")))
5268 (gnus-add-text-properties
5271 (insert (format "%d. " id))
5275 (unless ,(not ibegend)
5276 (setq gnus-article-mime-handle-alist
5277 ',gnus-article-mime-handle-alist))
5278 (gnus-mime-display-alternative
5279 ',ihandles ',not-pref ',begend ,id))
5280 keymap ,gnus-mime-button-map
5281 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5282 face ,gnus-article-button-face
5285 (widget-convert-button 'link from (point)
5286 :action 'gnus-widget-press-button
5287 :button-keymap gnus-widget-button-keymap)
5289 (while (setq handle (pop handles))
5290 (gnus-add-text-properties
5293 (insert (format "(%c) %-18s"
5294 (if (equal handle preferred) ?* ? )
5295 (mm-handle-media-type handle)))
5299 (unless ,(not ibegend)
5300 (setq gnus-article-mime-handle-alist
5301 ',gnus-article-mime-handle-alist))
5302 (gnus-mime-display-alternative
5303 ',ihandles ',handle ',begend ,id))
5304 keymap ,gnus-mime-button-map
5305 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5306 face ,gnus-article-button-face
5309 (widget-convert-button 'link from (point)
5310 :action 'gnus-widget-press-button
5311 :button-keymap gnus-widget-button-keymap)
5315 (if (stringp (car preferred))
5316 (gnus-display-mime preferred)
5317 (let ((mail-parse-charset gnus-newsgroup-charset)
5318 (mail-parse-ignored-charsets
5319 (with-current-buffer gnus-summary-buffer
5320 gnus-newsgroup-ignored-charsets)))
5321 (mm-display-part preferred)
5325 (narrow-to-region (car begend) (point-max))
5327 nil (length gnus-article-mime-handle-alist)
5328 (gnus-article-mime-total-parts)
5329 (mm-handle-media-type handle))))))
5330 (goto-char (point-max))
5331 (setcdr begend (point-marker)))))
5333 (goto-char point))))
5335 (defconst gnus-article-wash-status-strings
5336 (let ((alist '((cite "c" "Possible hidden citation text"
5337 " " "All citation text visible")
5338 (headers "h" "Hidden headers"
5339 " " "All headers visible.")
5340 (pgp "p" "Encrypted or signed message status hidden"
5341 " " "No hidden encryption nor digital signature status")
5342 (signature "s" "Signature has been hidden"
5343 " " "Signature is visible")
5344 (overstrike "o" "Overstrike (^H) characters applied"
5345 " " "No overstrike characters applied")
5346 (gnus-show-mime "m" "Mime processing is activated"
5347 " " "Mime processing is not activated")
5348 (emphasis "e" "/*_Emphasis_*/ characters applied"
5349 " " "No /*_emphasis_*/ characters applied")))
5351 (dolist (entry alist result)
5352 (let ((key (nth 0 entry))
5353 (on (copy-sequence (nth 1 entry)))
5354 (on-help (nth 2 entry))
5355 (off (copy-sequence (nth 3 entry)))
5356 (off-help (nth 4 entry)))
5357 (put-text-property 0 1 'help-echo on-help on)
5358 (put-text-property 0 1 'help-echo off-help off)
5359 (push (list key on off) result))))
5360 "Alist of strings describing wash status in the mode line.
5361 Each entry has the form (KEY ON OF), where the KEY is a symbol
5362 representing the particular washing function, ON is the string to use
5363 in the article mode line when the washing function is active, and OFF
5364 is the string to use when it is inactive.")
5366 (defun gnus-article-wash-status-entry (key value)
5367 (let ((entry (assoc key gnus-article-wash-status-strings)))
5368 (if value (nth 1 entry) (nth 2 entry))))
5370 (defun gnus-article-wash-status ()
5371 "Return a string which display status of article washing."
5372 (with-current-buffer gnus-article-buffer
5373 (let ((cite (memq 'cite gnus-article-wash-types))
5374 (headers (memq 'headers gnus-article-wash-types))
5375 (boring (memq 'boring-headers gnus-article-wash-types))
5376 (pgp (memq 'pgp gnus-article-wash-types))
5377 (pem (memq 'pem gnus-article-wash-types))
5378 (signed (memq 'signed gnus-article-wash-types))
5379 (encrypted (memq 'encrypted gnus-article-wash-types))
5380 (signature (memq 'signature gnus-article-wash-types))
5381 (overstrike (memq 'overstrike gnus-article-wash-types))
5382 (emphasis (memq 'emphasis gnus-article-wash-types)))
5384 (gnus-article-wash-status-entry 'cite cite)
5385 (gnus-article-wash-status-entry 'headers (or headers boring))
5386 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5387 (gnus-article-wash-status-entry 'signature signature)
5388 (gnus-article-wash-status-entry 'overstrike overstrike)
5389 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5390 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5392 (defun gnus-add-wash-type (type)
5393 "Add a washing of TYPE to the current status."
5394 (add-to-list 'gnus-article-wash-types type))
5396 (defun gnus-delete-wash-type (type)
5397 "Add a washing of TYPE to the current status."
5398 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5400 (defun gnus-add-image (category image)
5401 "Add IMAGE of CATEGORY to the list of displayed images."
5402 (let ((entry (assq category gnus-article-image-alist)))
5404 (setq entry (list category))
5405 (push entry gnus-article-image-alist))
5406 (nconc entry (list image))))
5408 (defun gnus-delete-images (category)
5409 "Delete all images in CATEGORY."
5410 (let ((entry (assq category gnus-article-image-alist)))
5411 (dolist (image (cdr entry))
5412 (gnus-remove-image image category))
5413 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5414 (gnus-delete-wash-type category)))
5416 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5418 (defun gnus-article-maybe-hide-headers ()
5419 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5420 Provided for backwards compatibility."
5421 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5422 (not (with-current-buffer gnus-summary-buffer
5423 gnus-have-all-headers)))
5424 (not gnus-inhibit-hiding))
5425 (gnus-article-hide-headers)))
5429 (defun gnus-output-to-file (file-name)
5430 "Append the current article to a file named FILE-NAME."
5431 (let ((artbuf (current-buffer)))
5433 (insert-buffer-substring artbuf)
5434 ;; Append newline at end of the buffer as separator, and then
5436 (goto-char (point-max))
5438 (let ((file-name-coding-system nnmail-pathname-coding-system))
5439 (write-region-as-binary (point-min) (point-max) file-name 'append))
5442 (defun gnus-narrow-to-page (&optional arg)
5443 "Narrow the article buffer to a page.
5444 If given a numerical ARG, move forward ARG pages."
5446 (setq arg (if arg (prefix-numeric-value arg) 0))
5448 (set-buffer gnus-article-buffer)
5449 (goto-char (point-min))
5451 ;; Remove any old next/prev buttons.
5452 (when (gnus-visual-p 'page-marker)
5453 (let ((inhibit-read-only t))
5454 (gnus-remove-text-with-property 'gnus-prev)
5455 (gnus-remove-text-with-property 'gnus-next)))
5458 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5460 (re-search-forward page-delimiter nil 'move arg)))
5461 (goto-char (match-end 0))
5463 (goto-char (point-min))
5464 (setq gnus-page-broken
5465 (and (re-search-forward page-delimiter nil t) t))))
5466 (when gnus-page-broken
5469 (if (re-search-forward page-delimiter nil 'move)
5472 (when (and (gnus-visual-p 'page-marker)
5473 (> (point-min) (save-restriction (widen) (point-min))))
5475 (goto-char (point-min))
5476 (gnus-insert-prev-page-button)))
5477 (when (and (gnus-visual-p 'page-marker)
5478 (< (point-max) (save-restriction (widen) (point-max))))
5480 (goto-char (point-max))
5481 (gnus-insert-next-page-button))))))
5483 ;; Article mode commands
5485 (defun gnus-article-goto-next-page ()
5486 "Show the next page of the article."
5488 (when (gnus-article-next-page)
5489 (goto-char (point-min))
5490 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5493 (defun gnus-article-goto-prev-page ()
5494 "Show the previous page of the article."
5497 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5498 (gnus-article-prev-page nil)))
5500 ;; This is cleaner but currently breaks `gnus-pick-mode':
5502 ;; (defun gnus-article-goto-next-page ()
5503 ;; "Show the next page of the article."
5505 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5506 ;; (gnus-summary-next-page)))
5508 ;; (defun gnus-article-goto-prev-page ()
5509 ;; "Show the next page of the article."
5511 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5512 ;; (gnus-summary-prev-page)))
5514 (defun gnus-article-next-page (&optional lines)
5515 "Show the next page of the current article.
5516 If end of article, return non-nil. Otherwise return nil.
5517 Argument LINES specifies lines to be scrolled up."
5519 (move-to-window-line -1)
5522 (and (pos-visible-in-window-p) ;Not continuation line.
5523 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5524 ;; Nothing in this page.
5525 (if (or (not gnus-page-broken)
5530 (eobp)))) ;Real end-of-buffer?
5532 (when gnus-article-over-scroll
5533 (gnus-article-next-page-1 lines))
5535 (gnus-narrow-to-page 1) ;Go to next page.
5537 ;; More in this page.
5538 (gnus-article-next-page-1 lines)
5541 (defmacro gnus-article-beginning-of-window ()
5542 "Move point to the beginning of the window.
5543 In Emacs, the point is placed at the line number which `scroll-margin'
5545 (if (featurep 'xemacs)
5546 '(move-to-window-line 0)
5547 '(move-to-window-line
5548 (min (max 0 scroll-margin)
5549 (max 1 (- (window-height)
5550 (if mode-line-format 1 0)
5551 (if header-line-format 1 0)))))))
5553 (defun gnus-article-next-page-1 (lines)
5554 (unless (and (not (featurep 'xemacs))
5555 (> (symbol-value 'scroll-margin) 0)
5556 (<= (count-lines (window-start) (point-max))
5557 (symbol-value 'scroll-margin)))
5559 (let ((scroll-in-place nil))
5562 ;; Long lines may cause an end-of-buffer error.
5563 (goto-char (point-max))))
5564 (gnus-article-beginning-of-window)))
5566 (defun gnus-article-prev-page (&optional lines)
5567 "Show previous page of current article.
5568 Argument LINES specifies lines to be scrolled down."
5570 (move-to-window-line 0)
5571 (if (and gnus-page-broken
5573 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5575 (gnus-narrow-to-page -1) ;Go to previous page.
5576 (goto-char (point-max))
5580 (let ((scroll-in-place nil))
5581 (scroll-down lines))
5582 (beginning-of-buffer
5583 (goto-char (point-min))))
5584 (gnus-article-beginning-of-window))))
5586 (defun gnus-article-only-boring-p ()
5587 "Decide whether there is only boring text remaining in the article.
5588 Something \"interesting\" is a word of at least two letters that does
5589 not have a face in `gnus-article-boring-faces'."
5590 (when (and gnus-article-skip-boring
5591 (boundp 'gnus-article-boring-faces)
5592 (symbol-value 'gnus-article-boring-faces))
5595 (while (re-search-forward "\\b\\w\\w" nil t)
5597 (when (not (gnus-intersection
5598 (gnus-faces-at (point))
5599 (symbol-value 'gnus-article-boring-faces)))
5600 (throw 'only-boring nil)))
5601 (throw 'only-boring t)))))
5603 (defun gnus-article-refer-article ()
5604 "Read article specified by message-id around point."
5607 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5608 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5609 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5610 (let ((msg-id (concat "<" (match-string 0) ">")))
5611 (set-buffer gnus-summary-buffer)
5612 (gnus-summary-refer-article msg-id))
5613 (error "No references around point"))))
5615 (defun gnus-article-show-summary ()
5616 "Reconfigure windows to show summary buffer."
5618 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5619 (error "There is no summary buffer for this article buffer")
5620 (gnus-article-set-globals)
5621 (gnus-configure-windows 'article)
5622 (gnus-summary-goto-subject gnus-current-article)
5623 (gnus-summary-position-point)))
5625 (defun gnus-article-describe-briefly ()
5626 "Describe article mode commands briefly."
5628 (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")))
5630 (defun gnus-article-summary-command ()
5631 "Execute the last keystroke in the summary buffer."
5633 (let ((obuf (current-buffer))
5634 (owin (current-window-configuration))
5636 (switch-to-buffer gnus-article-current-summary 'norecord)
5637 (setq func (lookup-key (current-local-map) (this-command-keys)))
5638 (call-interactively func)
5640 (set-window-configuration owin)
5641 (set-window-point (get-buffer-window (current-buffer)) (point))))
5643 (defun gnus-article-summary-command-nosave ()
5644 "Execute the last keystroke in the summary buffer."
5647 (pop-to-buffer gnus-article-current-summary 'norecord)
5648 (setq func (lookup-key (current-local-map) (this-command-keys)))
5649 (call-interactively func)))
5651 (defun gnus-article-check-buffer ()
5652 "Beep if not in an article buffer."
5653 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5654 (error "Command invoked outside of a Gnus article buffer")))
5656 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5657 "Read a summary buffer key sequence and execute it from the article buffer."
5659 (gnus-article-check-buffer)
5661 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5662 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5663 "=" "^" "\M-^" "|"))
5669 '("n" "Gn" "p" "Gp"))
5672 (set-buffer gnus-article-current-summary)
5673 (let (gnus-pick-mode)
5674 (push (or key last-command-event) unread-command-events)
5675 (setq keys (static-if (featurep 'xemacs)
5676 (events-to-keys (read-key-sequence nil))
5677 (read-key-sequence nil)))))
5680 (if (or (member keys nosaves)
5681 (member keys nosave-but-article)
5682 (member keys nosave-in-article))
5684 (save-window-excursion
5685 (pop-to-buffer gnus-article-current-summary 'norecord)
5686 ;; We disable the pick minor mode commands.
5687 (let (gnus-pick-mode)
5688 (setq func (lookup-key (current-local-map) keys))))
5692 (unless (member keys nosave-in-article)
5693 (set-buffer gnus-article-current-summary))
5694 (call-interactively func)
5695 (setq new-sum-point (point)))
5696 (when (member keys nosave-but-article)
5697 (pop-to-buffer gnus-article-buffer 'norecord)))
5698 ;; These commands should restore window configuration.
5699 (let ((obuf (current-buffer))
5700 (owin (current-window-configuration))
5702 win func in-buffer selected new-sum-start new-sum-hscroll)
5703 (cond (not-restore-window
5704 (pop-to-buffer gnus-article-current-summary 'norecord))
5705 ((setq win (get-buffer-window gnus-article-current-summary))
5706 (select-window win))
5708 (switch-to-buffer gnus-article-current-summary 'norecord)))
5709 (setq in-buffer (current-buffer))
5710 ;; We disable the pick minor mode commands.
5711 (if (and (setq func (let (gnus-pick-mode)
5712 (lookup-key (current-local-map) keys)))
5715 (call-interactively func)
5716 (when (eq win (selected-window))
5717 (setq new-sum-point (point)
5718 new-sum-start (window-start win)
5719 new-sum-hscroll (window-hscroll win)))
5720 (when (eq in-buffer (current-buffer))
5721 (setq selected (gnus-summary-select-article))
5723 (unless not-restore-window
5724 (set-window-configuration owin))
5725 (when (eq selected 'old)
5727 (set-window-start (get-buffer-window (current-buffer))
5729 (set-window-point (get-buffer-window (current-buffer))
5731 (when (and (not not-restore-window)
5733 (set-window-point win new-sum-point)
5734 (set-window-start win new-sum-start)
5735 (set-window-hscroll win new-sum-hscroll))))
5736 (set-window-configuration owin)
5739 (defun gnus-article-describe-key (key)
5740 "Display documentation of the function invoked by KEY. KEY is a string."
5741 (interactive "kDescribe key: ")
5742 (gnus-article-check-buffer)
5743 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5745 (set-buffer gnus-article-current-summary)
5746 (let (gnus-pick-mode)
5747 (if (featurep 'xemacs)
5749 (push (elt key 0) unread-command-events)
5750 (setq key (events-to-keys
5751 (read-key-sequence "Describe key: "))))
5752 (setq unread-command-events
5754 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5756 (setq key (read-key-sequence "Describe key: "))))
5758 (describe-key key)))
5760 (defun gnus-article-describe-key-briefly (key &optional insert)
5761 "Display documentation of the function invoked by KEY. KEY is a string."
5762 (interactive "kDescribe key: \nP")
5763 (gnus-article-check-buffer)
5764 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5766 (set-buffer gnus-article-current-summary)
5767 (let (gnus-pick-mode)
5768 (if (featurep 'xemacs)
5770 (push (elt key 0) unread-command-events)
5771 (setq key (events-to-keys
5772 (read-key-sequence "Describe key: "))))
5773 (setq unread-command-events
5775 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5777 (setq key (read-key-sequence "Describe key: "))))
5778 (describe-key-briefly key insert))
5779 (describe-key-briefly key insert)))
5781 (defun gnus-article-reply-with-original (&optional wide)
5782 "Start composing a reply mail to the current message.
5783 The text in the region will be yanked. If the region isn't active,
5784 the entire article will be yanked."
5786 (let ((article (cdr gnus-article-current))
5788 (if (not (gnus-region-active-p))
5789 (with-current-buffer gnus-summary-buffer
5790 (gnus-summary-reply (list (list article)) wide))
5791 (setq contents (buffer-substring (point) (mark t)))
5792 ;; Deactivate active regions.
5793 (when (and (boundp 'transient-mark-mode)
5794 transient-mark-mode)
5795 (setq mark-active nil))
5796 (with-current-buffer gnus-summary-buffer
5798 (list (list article contents)) wide)))))
5800 (defun gnus-article-followup-with-original ()
5801 "Compose a followup to the current article.
5802 The text in the region will be yanked. If the region isn't active,
5803 the entire article will be yanked."
5805 (let ((article (cdr gnus-article-current))
5807 (if (not (gnus-region-active-p))
5808 (with-current-buffer gnus-summary-buffer
5809 (gnus-summary-followup (list (list article))))
5810 (setq contents (buffer-substring (point) (mark t)))
5811 ;; Deactivate active regions.
5812 (when (and (boundp 'transient-mark-mode)
5813 transient-mark-mode)
5814 (setq mark-active nil))
5815 (with-current-buffer gnus-summary-buffer
5816 (gnus-summary-followup
5817 (list (list article contents)))))))
5819 (defun gnus-article-hide (&optional arg force)
5820 "Hide all the gruft in the current article.
5821 This means that signatures, cited text and (some) headers will be
5823 If given a prefix, show the hidden text instead."
5824 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5825 (gnus-article-hide-headers arg)
5826 (gnus-article-hide-list-identifiers arg)
5827 (gnus-article-hide-citation-maybe arg force)
5828 (gnus-article-hide-signature arg))
5830 (defun gnus-article-maybe-highlight ()
5831 "Do some article highlighting if article highlighting is requested."
5832 (when (gnus-visual-p 'article-highlight 'highlight)
5833 (gnus-article-highlight-some)))
5835 (defun gnus-check-group-server ()
5836 ;; Make sure the connection to the server is alive.
5837 (unless (gnus-server-opened
5838 (gnus-find-method-for-group gnus-newsgroup-name))
5839 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5840 (gnus-request-group gnus-newsgroup-name t)))
5843 (autoload 'nneething-get-file-name "nneething"))
5845 (defun gnus-request-article-this-buffer (article group)
5846 "Get an article and insert it into this buffer."
5847 (let (do-update-line sparse-header)
5851 (gnus-kill-all-overlays)
5852 (setq group (or group gnus-newsgroup-name))
5854 ;; Using `gnus-request-article' directly will insert the article into
5855 ;; `nntp-server-buffer' - so we'll save some time by not having to
5856 ;; copy it from the server buffer into the article buffer.
5858 ;; We only request an article by message-id when we do not have the
5859 ;; headers for it, so we'll have to get those.
5860 (when (stringp article)
5861 (gnus-read-header article))
5863 ;; If the article number is negative, that means that this article
5864 ;; doesn't belong in this newsgroup (possibly), so we find its
5865 ;; message-id and request it by id instead of number.
5866 (when (and (numberp article)
5868 (get-buffer gnus-summary-buffer)
5869 (gnus-buffer-exists-p gnus-summary-buffer))
5871 (set-buffer gnus-summary-buffer)
5872 (let ((header (gnus-summary-article-header article)))
5875 ((memq article gnus-newsgroup-sparse)
5876 ;; This is a sparse gap article.
5877 (setq do-update-line article)
5878 (setq article (mail-header-id header))
5879 (setq sparse-header (gnus-read-header article))
5880 (setq gnus-newsgroup-sparse
5881 (delq article gnus-newsgroup-sparse)))
5883 ;; It's a real article.
5884 (setq article (mail-header-id header)))
5886 ;; It is an extracted pseudo-article.
5887 (setq article 'pseudo)
5888 (gnus-request-pseudo-article header))))
5890 (let ((method (gnus-find-method-for-group
5891 gnus-newsgroup-name)))
5892 (when (and (eq (car method) 'nneething)
5894 (let ((dir (nneething-get-file-name
5895 (mail-header-id header))))
5896 (when (and (stringp dir)
5897 (file-directory-p dir))
5898 (setq article 'nneething)
5899 (gnus-group-enter-directory dir))))))))
5902 ;; Refuse to select canceled articles.
5903 ((and (numberp article)
5905 (get-buffer gnus-summary-buffer)
5906 (gnus-buffer-exists-p gnus-summary-buffer)
5907 (eq (cdr (with-current-buffer gnus-summary-buffer
5908 (assq article gnus-newsgroup-reads)))
5909 gnus-canceled-mark))
5911 ;; We first check `gnus-original-article-buffer'.
5912 ((and (get-buffer gnus-original-article-buffer)
5914 (with-current-buffer gnus-original-article-buffer
5915 (and (equal (car gnus-original-article) group)
5916 (eq (cdr gnus-original-article) article))))
5917 (insert-buffer-substring gnus-original-article-buffer)
5919 ;; Check the backlog.
5920 ((and gnus-keep-backlog
5921 (gnus-backlog-request-article group article (current-buffer)))
5923 ;; Check asynchronous pre-fetch.
5924 ((gnus-async-request-fetched-article group article (current-buffer))
5925 (gnus-async-prefetch-next group article gnus-summary-buffer)
5926 (when (and (numberp article) gnus-keep-backlog)
5927 (gnus-backlog-enter-article group article (current-buffer)))
5930 ((and gnus-use-cache
5932 (gnus-cache-request-article article group))
5934 ;; Check the agent cache.
5935 ((gnus-agent-request-article article group)
5937 ;; Get the article and put into the article buffer.
5938 ((or (stringp article)
5940 (let ((gnus-override-method gnus-override-method)
5941 (methods (and (stringp article)
5942 gnus-refer-article-method))
5943 (backend (car (gnus-find-method-for-group
5944 gnus-newsgroup-name)))
5946 (inhibit-read-only t))
5947 (if (or (not (listp methods))
5948 (and (symbolp (car methods))
5949 (assq (car methods) nnoo-definition-alist)))
5950 (setq methods (list methods)))
5951 (when (and (null gnus-override-method)
5953 (setq gnus-override-method (pop methods)))
5955 (when (eq gnus-override-method 'current)
5956 (setq gnus-override-method
5957 (with-current-buffer gnus-summary-buffer
5958 gnus-current-select-method)))
5960 (gnus-kill-all-overlays)
5961 (let ((gnus-newsgroup-name group))
5962 (gnus-check-group-server))
5964 ((gnus-request-article article group (current-buffer))
5965 (when (numberp article)
5966 (gnus-async-prefetch-next group article
5967 gnus-summary-buffer)
5968 (when gnus-keep-backlog
5969 (gnus-backlog-enter-article
5970 group article (current-buffer))))
5971 (setq result 'article))
5973 (setq gnus-override-method (pop methods)))
5974 ((not (string-match "^400 "
5975 (nnheader-get-report backend)))
5976 ;; If we get 400 server disconnect, reconnect and
5977 ;; retry; otherwise, assume the article has expired.
5978 (setq result 'done))))
5979 (and (eq result 'article) 'article)))
5983 ;; Associate this article with the current summary buffer.
5984 (setq gnus-article-current-summary gnus-summary-buffer)
5986 ;; Take the article from the original article buffer
5987 ;; and place it in the buffer it's supposed to be in.
5988 (when (and (get-buffer gnus-article-buffer)
5989 (equal (buffer-name (current-buffer))
5990 (buffer-name (get-buffer gnus-article-buffer))))
5992 (if (get-buffer gnus-original-article-buffer)
5993 (set-buffer gnus-original-article-buffer)
5994 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5995 (buffer-disable-undo)
5996 (setq major-mode 'gnus-original-article-mode)
5997 (setq buffer-read-only t))
5998 (let ((inhibit-read-only t))
6000 (insert-buffer-substring gnus-article-buffer))
6001 (setq gnus-original-article (cons group article)))
6004 (run-hooks 'gnus-article-decode-hook)
6005 ;; Mark article as decoded or not.
6006 (setq gnus-article-decoded-p gnus-article-decode-hook))
6008 ;; Update sparse articles.
6009 (when (and do-update-line
6010 (or (numberp article)
6012 (let ((buf (current-buffer)))
6013 (set-buffer gnus-summary-buffer)
6014 (gnus-summary-update-article do-update-line sparse-header)
6015 (gnus-summary-goto-subject do-update-line nil t)
6016 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6018 (set-buffer buf))))))
6024 (defcustom gnus-article-edit-mode-hook nil
6025 "Hook run in article edit mode buffers."
6026 :group 'gnus-article-various
6029 (defcustom gnus-article-edit-article-setup-function
6030 'gnus-article-mime-edit-article-setup
6031 "Function called to setup an editing article buffer."
6032 :group 'gnus-article-various
6035 (defvar gnus-article-edit-done-function nil)
6037 (defvar gnus-article-edit-mode-map nil)
6039 ;; Should we be using derived.el for this?
6040 (unless gnus-article-edit-mode-map
6041 (setq gnus-article-edit-mode-map (make-keymap))
6042 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6044 (gnus-define-keys gnus-article-edit-mode-map
6045 "\C-c?" describe-mode
6046 "\C-c\C-c" gnus-article-edit-done
6047 "\C-c\C-k" gnus-article-edit-exit
6048 "\C-c\C-f\C-t" message-goto-to
6049 "\C-c\C-f\C-o" message-goto-from
6050 "\C-c\C-f\C-b" message-goto-bcc
6051 ;;"\C-c\C-f\C-w" message-goto-fcc
6052 "\C-c\C-f\C-c" message-goto-cc
6053 "\C-c\C-f\C-s" message-goto-subject
6054 "\C-c\C-f\C-r" message-goto-reply-to
6055 "\C-c\C-f\C-n" message-goto-newsgroups
6056 "\C-c\C-f\C-d" message-goto-distribution
6057 "\C-c\C-f\C-f" message-goto-followup-to
6058 "\C-c\C-f\C-m" message-goto-mail-followup-to
6059 "\C-c\C-f\C-k" message-goto-keywords
6060 "\C-c\C-f\C-u" message-goto-summary
6061 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6062 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6063 "\C-c\C-b" message-goto-body
6064 "\C-c\C-i" message-goto-signature
6066 "\C-c\C-t" message-insert-to
6067 "\C-c\C-n" message-insert-newsgroups
6068 "\C-c\C-o" message-sort-headers
6069 "\C-c\C-e" message-elide-region
6070 "\C-c\C-v" message-delete-not-region
6071 "\C-c\C-z" message-kill-to-signature
6072 "\M-\r" message-newline-and-reformat
6073 "\C-c\C-a" mml-attach-file
6074 "\C-a" message-beginning-of-line
6076 "\M-;" comment-region)
6078 (gnus-define-keys (gnus-article-edit-wash-map
6079 "\C-c\C-w" gnus-article-edit-mode-map)
6080 "f" gnus-article-edit-full-stops))
6083 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6085 ["Fetch To" message-insert-to t]
6086 ["Fetch Newsgroups" message-insert-newsgroups t]
6088 ["To" message-goto-to t]
6089 ["From" message-goto-from t]
6090 ["Subject" message-goto-subject t]
6091 ["Cc" message-goto-cc t]
6092 ["Reply-To" message-goto-reply-to t]
6093 ["Summary" message-goto-summary t]
6094 ["Keywords" message-goto-keywords t]
6095 ["Newsgroups" message-goto-newsgroups t]
6096 ["Followup-To" message-goto-followup-to t]
6097 ["Mail-Followup-To" message-goto-mail-followup-to t]
6098 ["Distribution" message-goto-distribution t]
6099 ["Body" message-goto-body t]
6100 ["Signature" message-goto-signature t]))
6102 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6103 "Major mode for editing articles.
6104 This is an extended text-mode.
6106 \\{gnus-article-edit-mode-map}"
6107 (make-local-variable 'gnus-article-edit-done-function)
6108 (make-local-variable 'gnus-prev-winconf)
6109 (set (make-local-variable 'font-lock-defaults)
6110 '(message-font-lock-keywords t))
6111 (set (make-local-variable 'mail-header-separator) "")
6112 (set (make-local-variable 'gnus-article-edit-mode) t)
6113 (easy-menu-add message-mode-field-menu message-mode-map)
6114 (setq buffer-read-only nil)
6115 (buffer-enable-undo)
6118 (defun gnus-article-edit (&optional force)
6119 "Edit the current article.
6120 This will have permanent effect only in mail groups.
6121 If FORCE is non-nil, allow editing of articles even in read-only
6124 (when (and (not force)
6125 (gnus-group-read-only-p))
6126 (error "The current newsgroup does not support article editing"))
6127 (gnus-article-date-original)
6128 (gnus-article-edit-article
6130 `(lambda (no-highlight)
6132 (gnus-summary-edit-article-done
6133 ,(or (mail-header-references gnus-current-headers) "")
6134 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6136 (defun gnus-article-edit-article (start-func exit-func)
6137 "Start editing the contents of the current article buffer."
6138 (let ((winconf (current-window-configuration)))
6139 (set-buffer gnus-article-buffer)
6140 (let ((message-auto-save-directory
6141 ;; Don't associate the article buffer with a draft file.
6143 (gnus-article-edit-mode))
6144 (funcall start-func)
6145 (set-buffer-modified-p nil)
6146 (gnus-configure-windows 'edit-article)
6147 (setq gnus-article-edit-done-function exit-func)
6148 (setq gnus-prev-winconf winconf)
6149 (when gnus-article-edit-article-setup-function
6150 (funcall gnus-article-edit-article-setup-function))
6151 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
6153 (defun gnus-article-edit-done (&optional arg)
6154 "Update the article edits and exit."
6156 (let ((func gnus-article-edit-done-function)
6157 (buf (current-buffer))
6158 (start (window-start))
6160 (winconf gnus-prev-winconf))
6161 (remove-hook 'gnus-article-mode-hook
6162 'gnus-article-mime-edit-article-unwind)
6163 (widen) ;; Widen it in case that users narrowed the buffer.
6166 ;; The cache and backlog have to be flushed somewhat.
6167 (when gnus-keep-backlog
6168 (gnus-backlog-remove-article
6169 (car gnus-article-current) (cdr gnus-article-current)))
6170 ;; Flush original article as well.
6172 (when (get-buffer gnus-original-article-buffer)
6173 (set-buffer gnus-original-article-buffer)
6174 (setq gnus-original-article nil)))
6175 (when gnus-use-cache
6176 (gnus-cache-update-article
6177 (car gnus-article-current) (cdr gnus-article-current)))
6178 ;; We remove all text props from the article buffer.
6179 (kill-all-local-variables)
6180 (set-text-properties (point-min) (point-max) nil)
6182 (set-window-configuration winconf)
6184 (set-window-start (get-buffer-window buf) start)
6185 (set-window-point (get-buffer-window buf) (point)))
6186 (gnus-summary-show-article))
6188 (defun gnus-article-edit-exit ()
6189 "Exit the article editing without updating."
6191 (when (or (not (buffer-modified-p))
6192 (yes-or-no-p "Article modified; kill anyway? "))
6193 (let ((curbuf (current-buffer))
6195 (window-start (window-start)))
6197 (if (gnus-buffer-live-p gnus-original-article-buffer)
6198 (insert-buffer-substring gnus-original-article-buffer))
6199 (let ((winconf gnus-prev-winconf))
6200 (kill-all-local-variables)
6202 (set-window-configuration winconf)
6203 ;; Tippy-toe some to make sure that point remains where it was.
6204 (save-current-buffer
6206 (set-window-start (get-buffer-window (current-buffer)) window-start)
6208 (gnus-summary-show-article)))
6210 (defun gnus-article-edit-full-stops ()
6211 "Interactively repair spacing at end of sentences."
6214 (goto-char (point-min))
6215 (search-forward-regexp "^$" nil t)
6216 (let ((case-fold-search nil))
6217 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6220 ;;; Article editing with MIME-Edit
6223 (defcustom gnus-article-mime-edit-article-setup-hook nil
6224 "Hook run after setting up a MIME editing article buffer."
6225 :group 'gnus-article-various
6228 (defun gnus-article-mime-edit-article-unwind ()
6229 "Unwind `gnus-article-buffer' if article editing was given up."
6230 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6231 (when (featurep 'font-lock)
6232 (setq font-lock-defaults nil)
6233 (font-lock-mode -1))
6234 (when mime-edit-mode-flag
6235 (mime-edit-exit 'nomime 'no-error)
6238 (defun gnus-article-mime-edit-article-setup ()
6239 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
6240 after replacing with the original article."
6241 (setq gnus-show-mime t)
6242 (setq gnus-article-edit-done-function
6243 `(lambda (&rest args)
6244 (when mime-edit-mode-flag
6245 (let (mime-edit-insert-user-agent-field)
6248 (goto-char (point-min))
6249 (let (case-fold-search)
6250 (when (re-search-forward
6251 (format "^%s$" (regexp-quote mail-header-separator))
6253 (replace-match "")))
6254 (apply ,gnus-article-edit-done-function args)
6257 (buffer-substring-no-properties (point-min) (point-max))
6258 (set-buffer (get-buffer-create gnus-original-article-buffer))
6260 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6261 (set-buffer gnus-article-buffer)
6262 (gnus-article-prepare-display)))
6263 (substitute-key-definition 'gnus-article-edit-done
6264 'gnus-article-mime-edit-done
6265 gnus-article-edit-mode-map)
6266 (substitute-key-definition 'gnus-article-edit-exit
6267 'gnus-article-mime-edit-exit
6268 gnus-article-edit-mode-map)
6270 (insert-buffer-substring gnus-original-article-buffer)
6271 (unless (member (with-current-buffer gnus-summary-buffer
6272 gnus-newsgroup-name)
6273 '("nndraft:delayed" "nndraft:drafts"))
6274 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
6275 (fset 'mime-edit-decode-single-part-in-buffer
6276 (lambda (&rest args)
6277 (if (let ((content-type (car args)))
6278 (and (eq 'message (mime-content-type-primary-type
6280 (eq 'rfc822 (mime-content-type-subtype
6282 (setcar (cdr args) 'not-decode-text))
6286 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
6287 (when (featurep 'font-lock)
6288 (set (make-local-variable 'font-lock-defaults)
6289 '(message-font-lock-keywords t))
6290 (font-lock-set-defaults)
6291 (turn-on-font-lock))
6292 (set-buffer-modified-p nil)
6293 (delete-other-windows)
6294 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6295 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
6297 (defun gnus-article-mime-edit-done (&optional arg)
6298 "Update the article MIME edits and exit."
6300 (when (featurep 'font-lock)
6301 (setq font-lock-defaults nil)
6302 (font-lock-mode -1))
6303 (let ((inhibit-read-only t))
6304 (gnus-article-edit-done arg)))
6306 (defun gnus-article-mime-edit-exit ()
6307 "Exit the article MIME editing without updating."
6309 (when (or (not (buffer-modified-p))
6310 (yes-or-no-p "Article modified; kill anyway? "))
6311 (when (featurep 'font-lock)
6312 (setq font-lock-defaults nil)
6313 (font-lock-mode -1))
6314 (when mime-edit-mode-flag
6315 (let (mime-edit-insert-user-agent-field)
6318 (goto-char (point-min))
6319 (let (case-fold-search)
6320 (when (re-search-forward
6321 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6322 (replace-match "")))
6323 (let ((winconf gnus-prev-winconf))
6325 (buffer-substring-no-properties (point-min) (point-max))
6326 (set-buffer (get-buffer-create gnus-original-article-buffer))
6328 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6329 (set-buffer gnus-article-buffer)
6330 (gnus-article-prepare-display)
6331 (set-window-configuration winconf))))
6334 ;;; Article highlights
6337 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6339 ;;; Internal Variables:
6341 (defcustom gnus-button-url-regexp
6342 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6343 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6344 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6345 "Regular expression that matches URLs."
6346 :group 'gnus-article-buttons
6349 (defcustom gnus-button-valid-fqdn-regexp
6350 message-valid-fqdn-regexp
6351 "Regular expression that matches a valid FQDN."
6353 :group 'gnus-article-buttons
6356 (defcustom gnus-button-man-handler 'manual-entry
6357 "Function to use for displaying man pages.
6358 The function must take at least one argument with a string naming the
6361 :type '(choice (function-item :tag "Man" manual-entry)
6362 (function-item :tag "Woman" woman)
6363 (function :tag "Other"))
6364 :group 'gnus-article-buttons)
6366 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6367 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6368 If the default site is too slow, try to find a CTAN mirror, see
6369 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6370 the variable `gnus-button-handle-ctan'."
6372 :group 'gnus-article-buttons
6373 :link '(custom-manual "(gnus)Group Parameters")
6374 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6375 (const "http://tug.ctan.org/tex-archive/")
6376 (const "http://www.dante.de/CTAN/")
6377 (string :tag "Other")))
6379 (defcustom gnus-button-ctan-handler 'browse-url
6380 "Function to use for displaying CTAN links.
6381 The function must take one argument, the string naming the URL."
6383 :type '(choice (function-item :tag "Browse Url" browse-url)
6384 (function :tag "Other"))
6385 :group 'gnus-article-buttons)
6387 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6388 "Bogus strings removed from CTAN URLs."
6390 :group 'gnus-article-buttons
6391 :type '(choice (const "^/?tex-archive/\\|/")
6392 (regexp :tag "Other")))
6394 (defcustom gnus-button-ctan-directory-regexp
6397 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
6398 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
6399 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
6401 "Regular expression for ctan directories.
6402 It should match all directories in the top level of `gnus-ctan-url'."
6404 :group 'gnus-article-buttons
6407 (defcustom gnus-button-mid-or-mail-regexp
6408 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
6409 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6410 gnus-button-valid-fqdn-regexp
6412 "Regular expression that matches a message ID or a mail address."
6414 :group 'gnus-article-buttons
6417 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6418 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6419 Strings like this can be either a message ID or a mail address. If it is one
6420 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6421 message ID or a mail address, respectively. If this variable is set to the
6422 symbol `ask', always query the user what do do. If it is a function, this
6423 function will be called with the string as it's only argument. The function
6424 must return `mid', `mail', `invalid' or `ask'."
6426 :group 'gnus-article-buttons
6427 :type '(choice (function-item :tag "Heuristic function"
6428 gnus-button-mid-or-mail-heuristic)
6433 (defcustom gnus-button-mid-or-mail-heuristic-alist
6434 '((-10.0 . ".+\\$.+@")
6437 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6438 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6439 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6440 (-1.0 . "^[^a-z]+@")
6442 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6443 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6444 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6445 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6448 (-1.0 . "^[0-9][0-9]")
6450 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6451 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6452 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6453 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6455 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6456 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6459 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6461 ;; compensation for TDMA dated mail addresses:
6462 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6464 (-20.0 . "\\.fsf@") ;; Gnus
6467 (-20.0 . "_-_") ;; Subject change in thread
6469 (-20.0 . "\\.ln@") ;; leafnode
6470 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6471 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6473 ;; (5.0 . "") ;; $local_part_len <= 7
6474 (10.0 . "^[^0-9]+@")
6475 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6476 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6479 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6481 (0.5 . "^[A-Z][a-z]")
6482 (0.5 . "^[A-Z][a-z][a-z]")
6483 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6484 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6485 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6487 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6488 address. The REGEXP is processed with `case-fold-search' set to nil."
6490 :group 'gnus-article-buttons
6491 :type '(repeat (cons (number :tag "Rate")
6492 (regexp :tag "Regexp"))))
6494 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6495 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6496 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6497 address, `ask' if unsure and `invalid' if the string is invalid."
6498 (let ((case-fold-search nil)
6499 (list gnus-button-mid-or-mail-heuristic-alist)
6500 (result 0) rate regexp lpartlen elem)
6502 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6503 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6504 ;; Certain special cases...
6507 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6508 "^[0-9]+\\.[0-9]+@compuserve\\|"
6509 "@public\\.gmane\\.org")
6511 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6512 (setq result 'mail))
6513 (when (string-match "@.*@\\| " mid-or-mail)
6514 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6515 (setq result 'invalid))
6516 ;; Nothing more to do, if result is not a number here...
6517 (when (numberp result)
6519 (setq elem (car list)
6523 (when (string-match regexp mid-or-mail)
6524 (setq result (+ result rate))
6526 9 "`%s' matched `%s', rate `%s', result `%s'."
6527 mid-or-mail regexp rate result)))
6528 (when (<= lpartlen 7)
6529 (setq result (+ result 5.0))
6530 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6531 mid-or-mail result))
6532 (when (>= lpartlen 12)
6533 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6535 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6536 ;; Long local part should contain realname if e-mail address,
6537 ;; too many digits: message-id.
6538 ;; $score -= 5.0 + 0.1 * $local_part_len;
6539 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6540 (setq result (+ result rate))
6542 9 "Many digits in `%s', rate `%s', result `%s'."
6543 mid-or-mail rate result))
6544 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6546 ;; Too few vowels [^aeiouy]{4,}.*\@
6547 (setq result (+ result -5.0))
6549 9 "Few vowels in `%s', rate `%s', result `%s'."
6550 mid-or-mail -5.0 result))
6552 (setq result (+ result 5.0))
6554 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6555 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6556 ;; Maybe we should make this a customizable alist: (condition . 'result)
6558 ((symbolp result) result)
6559 ;; Now convert number into proper results:
6560 ((< result -10.0) 'mid)
6561 ((> result 10.0) 'mail)
6564 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6565 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6566 (url-mid (concat "news" ":" mid-or-mail))
6567 (url-mailto (concat "mailto" ":" mid-or-mail)))
6568 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6569 (when (fboundp pref)
6571 ;; get rid of surrounding angles...
6573 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6574 (if (or (eq 'mid guessed) (eq 'mail guessed))
6578 (save-window-excursion
6579 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6582 (cond ((eq pref 'mid)
6583 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6584 (gnus-button-handle-news url-mid))
6586 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6587 (gnus-url-mailto url-mailto))
6588 (t (gnus-message 3 "Invalid string.")))))
6590 (defun gnus-button-handle-custom (url)
6591 "Follow a Custom URL."
6592 (customize-apropos (gnus-url-unhex-string url)))
6594 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6596 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6599 (defun gnus-button-handle-describe-function (url)
6600 "Call `describe-function' when pushing the corresponding URL button."
6603 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6605 (defun gnus-button-handle-describe-variable (url)
6606 "Call `describe-variable' when pushing the corresponding URL button."
6609 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6611 (defun gnus-button-handle-symbol (url)
6612 "Display help on variable or function.
6613 Calls `describe-variable' or `describe-function'."
6614 (let ((sym (intern url)))
6616 ((fboundp sym) (describe-function sym))
6617 ((boundp sym) (describe-variable sym))
6618 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6620 (defun gnus-button-handle-describe-key (url)
6621 "Call `describe-key' when pushing the corresponding URL button."
6623 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6624 (keys (ignore-errors (eval `(kbd ,key-string)))))
6627 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6629 (defun gnus-button-handle-apropos (url)
6630 "Call `apropos' when pushing the corresponding URL button."
6631 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6633 (defun gnus-button-handle-apropos-command (url)
6634 "Call `apropos' when pushing the corresponding URL button."
6636 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6638 (defun gnus-button-handle-apropos-variable (url)
6639 "Call `apropos' when pushing the corresponding URL button."
6641 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6642 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6644 (defun gnus-button-handle-apropos-documentation (url)
6645 "Call `apropos' when pushing the corresponding URL button."
6647 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6648 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6650 (defun gnus-button-handle-library (url)
6651 "Call `locate-library' when pushing the corresponding URL button."
6652 (gnus-message 9 "url=`%s'" url)
6653 (let* ((lib (locate-library url))
6654 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6656 (gnus-message 1 "Cannot locale library `%s'." url)
6657 (find-file-read-only file))))
6659 (defun gnus-button-handle-ctan (url)
6660 "Call `browse-url' when pushing a CTAN URL button."
6662 gnus-button-ctan-handler
6665 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6667 (defcustom gnus-button-tex-level 5
6668 "*Integer that says how many TeX-related buttons Gnus will show.
6669 The higher the number, the more buttons will appear and the more false
6670 positives are possible. Note that you can set this variable local to
6671 specific groups. Setting it higher in TeX groups is probably a good idea.
6672 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6673 how to set variables in specific groups."
6675 :group 'gnus-article-buttons
6676 :link '(custom-manual "(gnus)Group Parameters")
6679 (defcustom gnus-button-man-level 5
6680 "*Integer that says how many man-related buttons Gnus will show.
6681 The higher the number, the more buttons will appear and the more false
6682 positives are possible. Note that you can set this variable local to
6683 specific groups. Setting it higher in Unix groups is probably a good idea.
6684 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6685 how to set variables in specific groups."
6687 :group 'gnus-article-buttons
6688 :link '(custom-manual "(gnus)Group Parameters")
6691 (defcustom gnus-button-emacs-level 5
6692 "*Integer that says how many emacs-related buttons Gnus will show.
6693 The higher the number, the more buttons will appear and the more false
6694 positives are possible. Note that you can set this variable local to
6695 specific groups. Setting it higher in Emacs or Gnus related groups is
6696 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6697 `gnus-parameters' on how to set variables in specific groups."
6699 :group 'gnus-article-buttons
6700 :link '(custom-manual "(gnus)Group Parameters")
6703 (defcustom gnus-button-message-level 5
6704 "*Integer that says how many buttons for news or mail messages will appear.
6705 The higher the number, the more buttons will appear and the more false
6706 positives are possible."
6707 ;; mail addresses, MIDs, URLs for news, ...
6709 :group 'gnus-article-buttons
6712 (defcustom gnus-button-browse-level 5
6713 "*Integer that says how many buttons for browsing will appear.
6714 The higher the number, the more buttons will appear and the more false
6715 positives are possible."
6716 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6718 :group 'gnus-article-buttons
6721 (defcustom gnus-button-alist
6722 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6723 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6724 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6725 gnus-button-handle-news 2)
6726 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6727 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6728 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6729 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6730 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6731 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6732 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6733 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6734 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6735 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6736 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6737 ;; RFC 2368 (The mailto URL scheme)
6738 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6739 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6740 ("\\bmailto:\\([^ \n\t]+\\)"
6741 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6743 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6744 gnus-button-ctan-directory-regexp
6745 "[^][>)!;:,'\n\t ]+\\)")
6746 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6747 ((concat "\\btex-archive/\\("
6748 gnus-button-ctan-directory-regexp
6749 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6750 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6753 gnus-button-ctan-directory-regexp
6754 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6755 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6756 ;; This is info (home-grown style) <info://foo/bar+baz>
6757 ("\\binfo://\\([^'\">\n\t ]+\\)"
6758 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6759 ;; Info GNOME style <info:foo#bar_baz>
6760 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6761 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6762 ;; Info KDE style <info:(foo)bar baz>
6763 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6764 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6765 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6766 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6767 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6768 ;; Info links like `C-h i d m CC Mode RET'
6769 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6771 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6772 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6773 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6774 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6775 ;; Emacs help commands
6776 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6777 ;; regexp doesn't match arguments containing ` '.
6778 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6779 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6780 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6781 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6782 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6783 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6784 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6785 ;; The following entries may lead to many false positives so don't enable
6786 ;; them by default (use a high button level).
6787 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6788 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6789 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6790 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6791 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6792 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6793 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6794 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6795 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6796 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6797 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6798 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6799 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6800 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6801 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6802 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6803 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6804 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6805 ;; Unlike the other regexps we really have to require quoting
6806 ;; here to determine where it ends.
6807 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6808 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6809 ("<URL: *\\([^<>]*\\)>"
6810 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6811 ;; RFC 2396 (2.4.3., delims) ...
6812 ("\"URL: *\\([^\"]*\\)\""
6813 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6814 ;; RFC 2396 (2.4.3., delims) ...
6815 ("\"URL: *\\([^\"]*\\)\""
6816 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6818 (gnus-button-url-regexp
6819 0 (>= gnus-button-browse-level 0) browse-url 0)
6821 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6822 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6823 gnus-button-handle-man 1)
6824 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6825 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6826 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6827 gnus-button-handle-man 1)
6828 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6829 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6830 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6831 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6832 ;; MID or mail: To avoid too many false positives we don't try to catch
6833 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6834 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6835 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6836 ;; so that non-ambiguous entries (see above) match first.
6837 (gnus-button-mid-or-mail-regexp
6838 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6839 "*Alist of regexps matching buttons in article bodies.
6841 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6842 REGEXP: is the string (case insensitive) matching text around the button (can
6843 also be Lisp expression evaluating to a string),
6844 BUTTON: is the number of the regexp grouping actually matching the button,
6845 FORM: is a Lisp expression which must eval to true for the button to
6847 CALLBACK: is the function to call when the user push this button, and each
6848 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6850 CALLBACK can also be a variable, in that case the value of that
6851 variable it the real callback function."
6852 :group 'gnus-article-buttons
6853 :type '(repeat (list (choice regexp variable sexp)
6854 (integer :tag "Button")
6856 (function :tag "Callback")
6859 (integer :tag "Regexp group")))))
6861 (defcustom gnus-header-button-alist
6862 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6863 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6864 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6865 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6866 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6867 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6868 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6869 0 (>= gnus-button-browse-level 0) browse-url 0)
6870 ("^Subject:" gnus-button-url-regexp
6871 0 (>= gnus-button-browse-level 0) browse-url 0)
6872 ("^[^:]+:" gnus-button-url-regexp
6873 0 (>= gnus-button-browse-level 0) browse-url 0)
6874 ("^OpenPGP:.*url=" gnus-button-url-regexp
6875 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
6876 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6877 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6878 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6879 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6880 "*Alist of headers and regexps to match buttons in article heads.
6882 This alist is very similar to `gnus-button-alist', except that each
6883 alist has an additional HEADER element first in each entry:
6885 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6887 HEADER is a regexp to match a header. For a fuller explanation, see
6888 `gnus-button-alist'."
6889 :group 'gnus-article-buttons
6890 :group 'gnus-article-headers
6891 :type '(repeat (list (regexp :tag "Header")
6892 (choice regexp variable)
6893 (integer :tag "Button")
6895 (function :tag "Callback")
6898 (integer :tag "Regexp group")))))
6902 (defun gnus-article-push-button (event)
6903 "Check text under the mouse pointer for a callback function.
6904 If the text under the mouse pointer has a `gnus-callback' property,
6905 call it with the value of the `gnus-data' text property."
6907 (set-buffer (window-buffer (posn-window (event-start event))))
6908 (let* ((pos (posn-point (event-start event)))
6909 (data (get-text-property pos 'gnus-data))
6910 (fun (get-text-property pos 'gnus-callback)))
6913 (funcall fun data))))
6915 (defun gnus-article-press-button ()
6916 "Check text at point for a callback function.
6917 If the text at point has a `gnus-callback' property,
6918 call it with the value of the `gnus-data' text property."
6920 (let ((data (get-text-property (point) 'gnus-data))
6921 (fun (get-text-property (point) 'gnus-callback)))
6923 (funcall fun data))))
6925 (defun gnus-article-prev-button (n)
6926 "Move point to N buttons backward.
6927 If N is negative, move forward instead."
6929 (gnus-article-next-button (- n)))
6931 (defun gnus-article-next-button (n)
6932 "Move point to N buttons forward.
6933 If N is negative, move backward instead."
6935 (let ((function (if (< n 0) 'previous-single-property-change
6936 'next-single-property-change))
6937 (inhibit-point-motion-hooks t)
6939 (limit (if (< n 0) (point-min) (point-max))))
6941 (while (and (not (= limit (point)))
6943 ;; Skip past the current button.
6944 (when (get-text-property (point) 'gnus-callback)
6945 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6946 ;; Go to the next (or previous) button.
6947 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
6948 ;; Put point at the start of the button.
6949 (when (and backward (not (get-text-property (point) 'gnus-callback)))
6950 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6951 ;; Skip past intangible buttons.
6952 (when (get-text-property (point) 'intangible)
6956 (gnus-message 5 "No more buttons"))
6959 (defun gnus-article-highlight (&optional force)
6960 "Highlight current article.
6961 This function calls `gnus-article-highlight-headers',
6962 `gnus-article-highlight-citation',
6963 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6964 do the highlighting. See the documentation for those functions."
6965 (interactive (list 'force))
6966 (gnus-article-highlight-headers)
6967 (gnus-article-highlight-citation force)
6968 (gnus-article-highlight-signature)
6969 (gnus-article-add-buttons force)
6970 (gnus-article-add-buttons-to-head))
6972 (defun gnus-article-highlight-some (&optional force)
6973 "Highlight current article.
6974 This function calls `gnus-article-highlight-headers',
6975 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6976 do the highlighting. See the documentation for those functions."
6977 (interactive (list 'force))
6978 (gnus-article-highlight-headers)
6979 (gnus-article-highlight-signature)
6980 (gnus-article-add-buttons))
6982 (defun gnus-article-highlight-headers ()
6983 "Highlight article headers as specified by `gnus-header-face-alist'."
6985 (gnus-with-article-headers
6986 (let (regexp header-face field-face from hpoints fpoints)
6987 (dolist (entry gnus-header-face-alist)
6988 (goto-char (point-min))
6989 (setq regexp (concat "^\\("
6990 (if (string-equal "" (nth 0 entry))
6994 header-face (nth 1 entry)
6995 field-face (nth 2 entry))
6996 (while (and (re-search-forward regexp nil t)
7000 (unless (search-forward ":" nil t)
7002 (when (and header-face
7003 (not (memq (point) hpoints)))
7004 (push (point) hpoints)
7005 (gnus-put-text-property from (point) 'face header-face))
7006 (when (and field-face
7007 (not (memq (setq from (point)) fpoints)))
7009 (if (re-search-forward "^[^ \t]" nil t)
7011 (goto-char (point-max)))
7012 (gnus-put-text-property from (point) 'face field-face)))))))
7014 (defun gnus-article-highlight-signature ()
7015 "Highlight the signature in an article.
7016 It does this by highlighting everything after
7017 `gnus-signature-separator' using the face `gnus-signature'."
7019 (when gnus-signature-face
7020 (gnus-with-article-buffer
7021 (let ((inhibit-point-motion-hooks t))
7023 (when (gnus-article-narrow-to-signature)
7024 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
7025 'face gnus-signature-face)))))))
7027 (defun gnus-article-buttonize-signature ()
7028 "Add button to the signature."
7031 (set-buffer gnus-article-buffer)
7032 (let ((inhibit-read-only t)
7033 (inhibit-point-motion-hooks t))
7034 (when (gnus-article-search-signature)
7035 (gnus-article-add-button (match-beginning 0) (match-end 0)
7036 'gnus-signature-toggle
7037 (set-marker (make-marker)
7038 (1+ (match-end 0))))))))
7040 (defun gnus-button-in-region-p (b e prop)
7041 "Say whether PROP exists in the region."
7042 (text-property-not-all b e prop nil))
7044 (defun gnus-article-add-buttons (&optional force)
7045 "Find external references in the article and make buttons of them.
7046 \"External references\" are things like Message-IDs and URLs, as
7047 specified by `gnus-button-alist'."
7048 (interactive (list 'force))
7049 (gnus-with-article-buffer
7050 (let ((inhibit-point-motion-hooks t)
7051 (case-fold-search t)
7052 (alist gnus-button-alist)
7054 ;; Remove all old markers.
7055 (let (marker entry new-list)
7056 (while (setq marker (pop gnus-button-marker-list))
7057 (if (or (< marker (point-min)) (>= marker (point-max)))
7058 (push marker new-list)
7060 (when (setq entry (gnus-button-entry))
7061 (put-text-property (match-beginning (nth 1 entry))
7062 (match-end (nth 1 entry))
7063 'gnus-callback nil))
7064 (set-marker marker nil)))
7065 (setq gnus-button-marker-list new-list))
7066 ;; We skip the headers.
7069 (while (setq entry (pop alist))
7070 (setq regexp (eval (car entry)))
7072 (while (re-search-forward regexp nil t)
7073 (let* ((start (and entry (match-beginning (nth 1 entry))))
7074 (end (and entry (match-end (nth 1 entry))))
7075 (from (match-beginning 0)))
7076 (when (and (or (eq t (nth 2 entry))
7077 (eval (nth 2 entry)))
7078 (not (gnus-button-in-region-p
7079 start end 'gnus-callback)))
7080 ;; That optional form returned non-nil, so we add the
7082 (gnus-article-add-button
7083 start end 'gnus-button-push
7084 (car (push (set-marker (make-marker) from)
7085 gnus-button-marker-list))))))))))
7087 ;; Add buttons to the head of an article.
7088 (defun gnus-article-add-buttons-to-head ()
7089 "Add buttons to the head of the article."
7091 (gnus-with-article-headers
7093 (dolist (entry gnus-header-button-alist)
7094 ;; Each alist entry.
7095 (goto-char (point-min))
7096 (while (re-search-forward (car entry) nil t)
7097 ;; Each header matching the entry.
7098 (setq beg (match-beginning 0))
7099 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7100 (match-beginning 0))
7103 (while (re-search-forward (eval (nth 1 entry)) end t)
7104 ;; Each match within a header.
7105 (let* ((entry (cdr entry))
7106 (start (match-beginning (nth 1 entry)))
7107 (end (match-end (nth 1 entry)))
7108 (form (nth 2 entry)))
7109 (goto-char (match-end 0))
7111 (gnus-article-add-button
7112 start end (nth 3 entry)
7113 (buffer-substring (match-beginning (nth 4 entry))
7114 (match-end (nth 4 entry)))))))
7115 (goto-char end))))))
7117 ;;; External functions:
7119 (defun gnus-article-add-button (from to fun &optional data)
7120 "Create a button between FROM and TO with callback FUN and data DATA."
7121 (when gnus-article-button-face
7122 (gnus-overlay-put (gnus-make-overlay from to)
7123 'face gnus-article-button-face))
7124 (gnus-add-text-properties
7126 (nconc (and gnus-article-mouse-face
7127 (list gnus-mouse-face-prop gnus-article-mouse-face))
7128 (list 'gnus-callback fun)
7129 (and data (list 'gnus-data data))))
7130 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7131 :button-keymap gnus-widget-button-keymap))
7133 ;;; Internal functions:
7135 (defun gnus-article-set-globals ()
7136 (with-current-buffer gnus-summary-buffer
7137 (gnus-set-global-variables)))
7139 (defun gnus-signature-toggle (end)
7140 (gnus-with-article-buffer
7141 (let ((inhibit-point-motion-hooks t)
7142 (limit (next-single-property-change end 'mime-view-entity
7144 (if (text-property-any end limit 'article-type 'signature)
7146 (gnus-delete-wash-type 'signature)
7147 (gnus-remove-text-properties-when
7148 'article-type 'signature end limit
7149 (cons 'article-type (cons 'signature
7150 gnus-hidden-properties))))
7151 (gnus-add-wash-type 'signature)
7152 (gnus-add-text-properties-when
7153 'article-type nil end limit
7154 (cons 'article-type (cons 'signature
7155 gnus-hidden-properties)))))
7156 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7157 (gnus-set-mode-line 'article))))
7159 (defun gnus-button-entry ()
7160 ;; Return the first entry in `gnus-button-alist' matching this place.
7161 (let ((alist gnus-button-alist)
7164 (setq entry (pop alist))
7165 (if (looking-at (eval (car entry)))
7170 (defun gnus-button-push (marker)
7171 ;; Push button starting at MARKER.
7174 (let* ((entry (gnus-button-entry))
7175 (inhibit-point-motion-hooks t)
7177 (args (mapcar (lambda (group)
7178 (let ((string (match-string group)))
7179 (set-text-properties
7180 0 (length string) nil string)
7187 (fboundp (symbol-value fun)))
7188 (apply (symbol-value fun) args))
7190 (gnus-message 1 "You must define `%S' to use this button"
7191 (cons fun args)))))))
7193 (defun gnus-parse-news-url (url)
7194 (let (scheme server port group message-id articles)
7197 (goto-char (point-min))
7198 (when (looking-at "\\([A-Za-z]+\\):")
7199 (setq scheme (match-string 1))
7200 (goto-char (match-end 0)))
7201 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7202 (setq server (match-string 1))
7203 (setq port (if (stringp (match-string 3))
7204 (string-to-number (match-string 3))
7206 (goto-char (match-end 0)))
7209 ((looking-at "\\(.*@.*\\)")
7210 (setq message-id (match-string 1)))
7211 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7212 (setq group (match-string 1)
7213 articles (split-string (match-string 2) "-")))
7214 ((looking-at "\\([^/]+\\)/?")
7215 (setq group (match-string 1)))
7217 (error "Unknown news URL syntax"))))
7218 (list scheme server port group message-id articles)))
7220 (defun gnus-button-handle-news (url)
7222 (destructuring-bind (scheme server port group message-id articles)
7223 (gnus-parse-news-url url)
7227 (set-buffer gnus-summary-buffer)
7229 (let ((gnus-refer-article-method
7230 (nconc (list (list 'nntp server))
7231 gnus-refer-article-method))
7232 (nntp-port-number (or port "nntp")))
7233 (gnus-message 7 "Fetching %s with %s"
7234 message-id gnus-refer-article-method)
7235 (gnus-summary-refer-article message-id))
7236 (gnus-summary-refer-article message-id))))
7238 (gnus-button-fetch-group url)))))
7240 (defun gnus-button-handle-man (url)
7242 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7243 (when (eq gnus-button-man-handler 'woman)
7244 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7245 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7246 (funcall gnus-button-man-handler url))
7248 (defun gnus-button-handle-info-url (url)
7249 "Fetch an info URL."
7250 (setq url (mm-subst-char-in-string ?+ ?\ url))
7252 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7253 (gnus-info-find-node
7254 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7256 ")" (gnus-url-unhex-string (match-string 2 url)))))
7257 ((string-match "([^)\"]+)[^\"]+" url)
7259 (gnus-replace-in-string
7260 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7261 (gnus-info-find-node url))
7262 (t (error "Can't parse %s" url))))
7264 (defun gnus-button-handle-info-url-gnome (url)
7265 "Fetch GNOME style info URL."
7266 (setq url (mm-subst-char-in-string ?_ ?\ url))
7267 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7268 (gnus-info-find-node
7270 (gnus-url-unhex-string
7271 (match-string 1 url))
7273 (or (gnus-url-unhex-string
7274 (match-string 2 url))
7276 (error "Can't parse %s" url)))
7278 (defun gnus-button-handle-info-url-kde (url)
7279 "Fetch KDE style info URL."
7280 (gnus-info-find-node (gnus-url-unhex-string url)))
7282 (defun gnus-button-handle-info-keystrokes (url)
7283 "Call `info' when pushing the corresponding URL button."
7284 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7289 (defun gnus-button-openpgp (url)
7290 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
7292 (mm-url-insert-file-contents-external url)
7293 (pgg-snarf-keys-region (point-min) (point-max))
7294 (pgg-display-output-buffer nil nil nil)))
7296 (defun gnus-button-message-id (message-id)
7298 (with-current-buffer gnus-summary-buffer
7299 (gnus-summary-refer-article message-id)))
7301 (defun gnus-button-fetch-group (address)
7302 "Fetch GROUP specified by ADDRESS."
7303 (if (not (string-match "[:/]" address))
7304 ;; This is just a simple group url.
7305 (gnus-group-read-ephemeral-group address gnus-select-method)
7308 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7310 (error "Can't parse %s" address)
7311 (gnus-group-read-ephemeral-group
7312 (match-string 4 address)
7313 `(nntp ,(match-string 1 address)
7314 (nntp-address ,(match-string 1 address))
7315 (nntp-port-number ,(if (match-end 3)
7316 (match-string 3 address)
7319 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
7321 (defun gnus-url-parse-query-string (query &optional downcase)
7322 (let (retval pairs cur key val)
7323 (setq pairs (split-string query "&"))
7325 (setq cur (car pairs)
7327 (if (not (string-match "=" cur))
7329 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7330 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7332 (setq key (downcase key)))
7333 (setq cur (assoc key retval))
7335 (setcdr cur (cons val (cdr cur)))
7336 (setq retval (cons (list key val) retval)))))
7339 (defun gnus-url-mailto (url)
7340 ;; Send mail to someone
7341 (when (string-match "mailto:/*\\(.*\\)" url)
7342 (setq url (substring url (match-beginning 1) nil)))
7343 (let (to args subject func)
7344 (setq args (gnus-url-parse-query-string
7345 (if (string-match "^\\?" url)
7347 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7348 (concat "to=" (match-string 1 url) "&"
7349 (match-string 2 url))
7350 (concat "to=" url)))
7352 subject (cdr-safe (assoc "subject" args)))
7355 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7358 (message-position-on-field (caar args)))
7359 (insert (gnus-replace-in-string
7360 (mapconcat 'identity (reverse (cdar args)) ", ")
7362 (setq args (cdr args)))
7365 (message-goto-subject))))
7367 (defun gnus-button-embedded-url (address)
7368 "Activate ADDRESS with `browse-url'."
7369 (browse-url (gnus-strip-whitespace address)))
7371 ;;; Next/prev buttons in the article buffer.
7373 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7374 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7376 (defvar gnus-prev-page-map
7377 (let ((map (make-sparse-keymap)))
7378 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7379 (define-key map "\r" 'gnus-button-prev-page)
7382 (defvar gnus-next-page-map
7383 (let ((map (make-sparse-keymap)))
7384 (unless (>= emacs-major-version 21)
7385 ;; XEmacs doesn't care.
7386 (set-keymap-parent map gnus-article-mode-map))
7387 (define-key map gnus-mouse-2 'gnus-button-next-page)
7388 (define-key map "\r" 'gnus-button-next-page)
7391 (defun gnus-insert-prev-page-button ()
7393 (inhibit-read-only t)
7394 (situation (get-text-property (point-min) 'mime-view-situation)))
7396 gnus-prev-page-line-format nil
7397 `(keymap ,gnus-prev-page-map
7399 gnus-callback gnus-article-button-prev-page
7400 article-type annotation
7401 mime-view-situation ,situation))
7402 (widget-convert-button
7404 ;; Exclude a newline.
7407 :action 'gnus-button-prev-page
7408 :button-keymap gnus-prev-page-map)))
7410 (defun gnus-button-next-page (&optional args more-args)
7411 "Go to the next page."
7413 (let ((win (selected-window)))
7414 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7415 (gnus-article-next-page)
7416 (select-window win)))
7418 (defun gnus-button-prev-page (&optional args more-args)
7419 "Go to the prev page."
7421 (let ((win (selected-window)))
7422 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7423 (gnus-article-prev-page)
7424 (select-window win)))
7426 (defun gnus-insert-next-page-button ()
7428 (inhibit-read-only t)
7429 (situation (get-text-property (point-min) 'mime-view-situation)))
7430 (gnus-eval-format gnus-next-page-line-format nil
7431 `(keymap ,gnus-next-page-map
7433 gnus-callback gnus-article-button-next-page
7434 article-type annotation
7435 mime-view-situation ,situation))
7436 (widget-convert-button
7438 ;; Exclude a newline.
7441 :action 'gnus-button-next-page
7442 :button-keymap gnus-next-page-map)))
7444 (defun gnus-article-button-next-page (arg)
7445 "Go to the next page."
7447 (let ((win (selected-window)))
7448 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7449 (gnus-article-next-page)
7450 (select-window win)))
7452 (defun gnus-article-button-prev-page (arg)
7453 "Go to the prev page."
7455 (let ((win (selected-window)))
7456 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7457 (gnus-article-prev-page)
7458 (select-window win)))
7460 (defvar gnus-decode-header-methods
7461 '(mail-decode-encoded-word-region)
7462 "List of methods used to decode headers.
7464 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7465 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7466 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7467 whose names match REGEXP.
7470 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7471 mail-decode-encoded-word-region
7472 (\"chinese\" . rfc1843-decode-region))
7475 (defvar gnus-decode-header-methods-cache nil)
7477 (defun gnus-multi-decode-header (start end)
7478 "Apply the functions from `gnus-encoded-word-methods' that match."
7479 (unless (and gnus-decode-header-methods-cache
7480 (eq gnus-newsgroup-name
7481 (car gnus-decode-header-methods-cache)))
7482 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7485 (nconc gnus-decode-header-methods-cache (list x))
7486 (if (and gnus-newsgroup-name
7487 (string-match (car x) gnus-newsgroup-name))
7488 (nconc gnus-decode-header-methods-cache
7490 gnus-decode-header-methods))
7491 (let ((xlist gnus-decode-header-methods-cache))
7494 (narrow-to-region start end)
7496 (funcall (pop xlist) (point-min) (point-max))))))
7499 ;;; Treatment top-level handling.
7502 (defun gnus-treat-article (condition &optional part-number total-parts type)
7503 (let ((length (- (point-max) (point-min)))
7504 (alist gnus-treatment-function-alist)
7505 (article-goto-body-goes-to-point-min-p t)
7509 (let ((list gnus-article-treat-types))
7511 (when (string-match (pop list) type)
7512 (throw 'found t)))))))
7513 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7514 (entity (static-unless (featurep 'xemacs)
7515 (when (eq 'head condition)
7516 (get-text-property (point-min) 'mime-view-entity))))
7517 val elem buttonized)
7518 (gnus-run-hooks 'gnus-part-display-hook)
7519 (unless gnus-inhibit-treatment
7520 (dolist (elem alist)
7523 (when (gnus-buffer-live-p gnus-summary-buffer)
7524 (set-buffer gnus-summary-buffer))
7525 (symbol-value (car elem))))
7526 (when (and (or (consp val)
7528 (gnus-treat-predicate val)
7529 (or (not (get (car elem) 'highlight))
7531 (when (and (not buttonized)
7533 '(gnus-treat-hide-signature
7534 gnus-treat-highlight-signature)))
7535 (gnus-article-buttonize-signature)
7536 (setq buttonized t))
7538 (funcall (cadr elem)))))
7539 ;; FSF Emacsen does not inherit the existing text properties
7540 ;; in the new text, so we should do it for `mime-view-entity'.
7541 (static-unless (featurep 'xemacs)
7543 (put-text-property (point-min) (point-max)
7544 'mime-view-entity entity))))))
7546 ;; Dynamic variables.
7548 (defvar part-number)
7549 (defvar total-parts)
7554 (defun gnus-treat-predicate (val)
7559 (stringp (car val)))
7560 (apply 'gnus-or (mapcar `(lambda (s)
7561 (string-match s ,(or gnus-newsgroup-name "")))
7564 (let ((pred (pop val)))
7567 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7569 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7571 (not (gnus-treat-predicate (car val))))
7573 (equal (car val) type))
7575 (error "%S is not a valid predicate" pred)))))
7585 (eq part-number total-parts))
7589 (error "%S is not a valid value" val))))
7591 (defun gnus-article-encrypt-body (protocol &optional n)
7592 "Encrypt the article body."
7595 (or gnus-article-encrypt-protocol
7596 (completing-read "Encrypt protocol: "
7597 gnus-article-encrypt-protocol-alist
7599 current-prefix-arg))
7600 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7602 (error "Can't find the encrypt protocol %s" protocol))
7603 (if (member gnus-newsgroup-name '("nndraft:delayed"
7606 (error "Can't encrypt the article in group %s"
7607 gnus-newsgroup-name))
7608 (gnus-summary-iterate n
7610 (set-buffer gnus-summary-buffer)
7611 (let ((mail-parse-charset gnus-newsgroup-charset)
7612 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7613 (summary-buffer gnus-summary-buffer)
7615 (gnus-set-global-variables)
7616 (when (gnus-group-read-only-p)
7617 (error "The current newsgroup does not support article encrypt"))
7618 (gnus-summary-show-article t)
7620 (or (mail-header-references gnus-current-headers) ""))
7621 (set-buffer gnus-article-buffer)
7622 (let* ((inhibit-read-only t)
7624 (mapcar (lambda (field)
7625 (and (save-restriction
7626 (message-narrow-to-head)
7627 (goto-char (point-min))
7628 (search-forward field nil t))
7630 (message-narrow-to-field)
7632 (delete-region (point-min) (point-max))
7634 '("Content-Type:" "Content-Transfer-Encoding:"
7635 "Content-Disposition:"))))
7636 (message-narrow-to-head)
7637 (message-remove-header "MIME-Version")
7638 (goto-char (point-max))
7639 (setq point (point))
7640 (insert (apply 'concat headers))
7642 (narrow-to-region point (point-max))
7643 (let ((message-options message-options))
7644 (message-options-set 'message-sender user-mail-address)
7645 (message-options-set 'message-recipients user-mail-address)
7646 (message-options-set 'message-sign-encrypt 'not)
7648 (goto-char (point-min))
7649 (insert "MIME-Version: 1.0\n")
7651 (gnus-summary-edit-article-done
7652 references nil summary-buffer t))
7653 (when gnus-keep-backlog
7654 (gnus-backlog-remove-article
7655 (car gnus-article-current) (cdr gnus-article-current)))
7657 (when (get-buffer gnus-original-article-buffer)
7658 (set-buffer gnus-original-article-buffer)
7659 (setq gnus-original-article nil)))
7660 (when gnus-use-cache
7661 (gnus-cache-update-article
7662 (car gnus-article-current) (cdr gnus-article-current))))))))
7664 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7665 "The following specs can be used:
7666 %t The security MIME type
7669 %D Details if button is pressed")
7671 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7672 "The following specs can be used:
7673 %t The security MIME type
7676 %D Details if button is pressed")
7678 (defvar gnus-mime-security-button-line-format-alist
7679 '((?t gnus-tmp-type ?s)
7680 (?i gnus-tmp-info ?s)
7681 (?d gnus-tmp-details ?s)
7682 (?D gnus-tmp-pressed-details ?s)))
7684 (defvar gnus-mime-security-button-map
7685 (let ((map (make-sparse-keymap)))
7686 (define-key map gnus-mouse-2 'gnus-article-push-button)
7687 (define-key map "\r" 'gnus-article-press-button)
7690 (defvar gnus-mime-security-details-buffer nil)
7692 (defvar gnus-mime-security-button-pressed nil)
7694 (defvar gnus-mime-security-show-details-inline t
7695 "If non-nil, show details in the article buffer.")
7697 (defun gnus-mime-security-verify-or-decrypt (handle)
7698 (mm-remove-parts (cdr handle))
7699 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7700 point (inhibit-read-only t))
7702 (goto-char (car region)))
7704 (narrow-to-region (point) (point))
7705 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7706 (let* ((mm-verify-option 'known)
7707 (mm-decrypt-option 'known)
7708 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7709 (unless (eq nparts (cdr handle))
7710 (mm-destroy-parts (cdr handle))
7711 (setcdr handle nparts))))
7712 (setq point (point))
7713 (gnus-mime-display-security handle)
7714 (goto-char (point-max)))
7716 (delete-region (point) (cdr region))
7717 (set-marker (car region) nil)
7718 (set-marker (cdr region) nil))
7721 (defun gnus-mime-security-show-details (handle)
7722 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7724 (gnus-message 5 "No details.")
7725 (if gnus-mime-security-show-details-inline
7726 (let ((gnus-mime-security-button-pressed
7727 (not (get-text-property (point) 'gnus-mime-details)))
7728 (gnus-mime-security-button-line-format
7729 (get-text-property (point) 'gnus-line-format))
7730 (inhibit-read-only t))
7732 (while (eq (get-text-property (point) 'gnus-line-format)
7733 gnus-mime-security-button-line-format)
7737 (narrow-to-region (point) (point))
7738 (gnus-insert-mime-security-button handle))
7739 (delete-region (point)
7740 (or (text-property-not-all
7743 gnus-mime-security-button-line-format)
7746 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7747 (with-current-buffer gnus-mime-security-details-buffer
7750 (setq gnus-mime-security-details-buffer
7751 (gnus-get-buffer-create "*MIME Security Details*")))
7752 (with-current-buffer gnus-mime-security-details-buffer
7754 (goto-char (point-min)))
7755 (pop-to-buffer gnus-mime-security-details-buffer)))))
7757 (defun gnus-mime-security-press-button (handle)
7759 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7760 (gnus-mime-security-show-details handle)
7761 (gnus-mime-security-verify-or-decrypt handle))))
7763 (defun gnus-insert-mime-security-button (handle &optional displayed)
7764 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7767 (or (nth 2 (assoc protocol mm-verify-function-alist))
7768 (nth 2 (assoc protocol mm-decrypt-function-alist))
7770 (if (equal (car handle) "multipart/signed")
7771 " Signed" " Encrypted")
7774 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7777 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7778 gnus-tmp-pressed-details
7780 (setq gnus-tmp-details
7781 (if gnus-tmp-details
7782 (concat "\n" gnus-tmp-details)
7784 (setq gnus-tmp-pressed-details
7785 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7790 gnus-mime-security-button-line-format
7791 gnus-mime-security-button-line-format-alist
7792 `(keymap ,gnus-mime-security-button-map
7793 gnus-callback gnus-mime-security-press-button
7794 gnus-line-format ,gnus-mime-security-button-line-format
7795 gnus-mime-details ,gnus-mime-security-button-pressed
7796 article-type annotation
7799 ;; Exclude a newline.
7802 (widget-convert-button
7805 :action 'gnus-widget-press-button
7806 :button-keymap gnus-mime-security-button-map
7808 (lambda (widget/window &optional overlay pos)
7809 ;; Needed to properly clear the message due to a bug in
7810 ;; wid-edit (XEmacs only).
7811 (when (boundp 'help-echo-owns-message)
7812 (setq help-echo-owns-message t))
7815 (aref gnus-mouse-2 0))))))
7817 (defun gnus-mime-display-security (handle)
7819 (narrow-to-region (point) (point))
7820 (unless (gnus-unbuttonized-mime-type-p (car handle))
7821 (gnus-insert-mime-security-button handle))
7822 (gnus-mime-display-mixed (cdr handle))
7825 (unless (gnus-unbuttonized-mime-type-p (car handle))
7826 (let ((gnus-mime-security-button-line-format
7827 gnus-mime-security-button-end-line-format))
7828 (gnus-insert-mime-security-button handle)))
7829 (mm-set-handle-multipart-parameter
7831 (cons (set-marker (make-marker) (point-min))
7832 (set-marker (make-marker) (point-max))))))
7838 (defun gnus-article-header-presentation-method (entity situation)
7839 (mime-insert-header entity)
7840 (article-decode-group-name))
7842 (set-alist 'mime-header-presentation-method-alist
7843 'gnus-original-article-mode
7844 #'gnus-article-header-presentation-method)
7846 (defun gnus-mime-preview-quitting-method ()
7847 (mime-preview-kill-buffer)
7848 (delete-other-windows)
7849 (gnus-article-show-summary)
7850 (gnus-summary-select-article gnus-show-all-headers t))
7852 (set-alist 'mime-preview-quitting-method-alist
7853 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
7855 (set-alist 'mime-preview-following-method-alist
7856 'gnus-original-article-mode #'gnus-following-method)
7858 (set-alist 'mime-preview-over-to-previous-method-alist
7859 'gnus-original-article-mode
7861 (if (> (point-min) 1)
7862 (gnus-article-prev-page)
7863 (gnus-article-read-summary-keys
7864 nil (gnus-character-to-event ?P)))))
7866 (set-alist 'mime-preview-over-to-next-method-alist
7867 'gnus-original-article-mode'
7869 (if (< (point-max) (buffer-size))
7870 (gnus-article-next-page)
7871 (gnus-article-read-summary-keys
7872 nil (gnus-character-to-event ?N)))))
7882 (run-hooks 'gnus-art-load-hook)
7884 ;;; gnus-art.el ends here