1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
33 (defvar w3m-minor-mode-map))
48 (autoload 'gnus-msg-mail "gnus-msg" nil t)
49 (autoload 'gnus-button-mailto "gnus-msg")
50 (autoload 'gnus-button-reply "gnus-msg" nil t)
51 (autoload 'parse-time-string "parse-time" nil nil)
53 (defgroup gnus-article nil
55 :link '(custom-manual "(gnus)Article Buffer")
58 (defgroup gnus-article-treat nil
59 "Treating article parts."
60 :link '(custom-manual "(gnus)Article Hiding")
63 (defgroup gnus-article-hiding nil
64 "Hiding article parts."
65 :link '(custom-manual "(gnus)Article Hiding")
68 (defgroup gnus-article-highlight nil
69 "Article highlighting."
70 :link '(custom-manual "(gnus)Article Highlighting")
74 (defgroup gnus-article-signature nil
76 :link '(custom-manual "(gnus)Article Signature")
79 (defgroup gnus-article-headers nil
81 :link '(custom-manual "(gnus)Hiding Headers")
84 (defgroup gnus-article-washing nil
85 "Special commands on articles."
86 :link '(custom-manual "(gnus)Article Washing")
89 (defgroup gnus-article-emphasis nil
90 "Fontisizing articles."
91 :link '(custom-manual "(gnus)Article Fontisizing")
94 (defgroup gnus-article-saving nil
96 :link '(custom-manual "(gnus)Saving Articles")
99 (defgroup gnus-article-mime nil
100 "Worshiping the MIME wonder."
101 :link '(custom-manual "(gnus)Using MIME")
102 :group 'gnus-article)
104 (defgroup gnus-article-buttons nil
105 "Pushable buttons in the article buffer."
106 :link '(custom-manual "(gnus)Article Buttons")
107 :group 'gnus-article)
109 (defgroup gnus-article-various nil
110 "Other article options."
111 :link '(custom-manual "(gnus)Misc Article")
112 :group 'gnus-article)
114 (defcustom gnus-ignored-headers
117 (concat "^" header ":"))
118 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
119 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
120 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
121 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
122 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
123 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
124 "X-Attribution" "X-Originating-IP" "Delivered-To"
125 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
126 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
127 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
128 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
129 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
130 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
131 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
132 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
133 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
134 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
135 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
136 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
137 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
138 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
139 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
140 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
141 "List-[A-Za-z]+" "X-Listprocessor-Version"
142 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
143 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
144 "X-Received" "Content-length" "X-precedence"
145 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
146 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
147 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
148 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
149 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
150 "X-Content-length" "X-Posting-Agent" "Original-Received"
151 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
152 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
153 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
154 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
155 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
156 "*All headers that start with this regexp will be hidden.
157 This variable can also be a list of regexps of headers to be ignored.
158 If `gnus-visible-headers' is non-nil, this variable will be ignored."
159 :type '(choice :custom-show nil
162 :group 'gnus-article-hiding)
164 (defcustom gnus-visible-headers
165 "^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:"
166 "*All headers that do not match this regexp will be hidden.
167 This variable can also be a list of regexp of headers to remain visible.
168 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
169 :type '(repeat :value-to-internal (lambda (widget value)
170 (custom-split-regexp-maybe value))
171 :match (lambda (widget value)
173 (widget-editable-list-match widget value)))
175 :group 'gnus-article-hiding)
177 (defcustom gnus-sorted-header-list
178 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
179 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
180 "*This variable is a list of regular expressions.
181 If it is non-nil, headers that match the regular expressions will
182 be placed first in the article buffer in the sequence specified by
184 :type '(repeat regexp)
185 :group 'gnus-article-hiding)
187 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
188 "Headers that are only to be displayed if they have interesting data.
189 Possible values in this list are:
191 'empty Headers with no content.
192 'newsgroups Newsgroup identical to Gnus group.
193 'to-address To identical to To-address.
194 'to-list To identical to To-list.
195 'cc-list CC identical to To-list.
196 'followup-to Followup-to identical to Newsgroups.
197 'reply-to Reply-to identical to From.
198 'date Date less than four days old.
199 'long-to To and/or Cc longer than 1024 characters.
200 'many-to Multiple To and/or Cc."
201 :type '(set (const :tag "Headers with no content." empty)
202 (const :tag "Newsgroups identical to Gnus group." newsgroups)
203 (const :tag "To identical to To-address." to-address)
204 (const :tag "To identical to To-list." to-list)
205 (const :tag "CC identical to To-list." cc-list)
206 (const :tag "Followup-to identical to Newsgroups." followup-to)
207 (const :tag "Reply-to identical to From." reply-to)
208 (const :tag "Date less than four days old." date)
209 (const :tag "To and/or Cc longer than 1024 characters." long-to)
210 (const :tag "Multiple To and/or Cc headers." many-to))
211 :group 'gnus-article-hiding)
213 (defcustom gnus-article-skip-boring nil
214 "Skip over text that is not worth reading.
215 By default, if you set this t, then Gnus will display citations and
216 signatures, but will never scroll down to show you a page consisting
217 only of boring text. Boring text is controlled by
218 `gnus-article-boring-faces'."
221 :group 'gnus-article-hiding)
223 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
224 "Regexp matching signature separator.
225 This can also be a list of regexps. In that case, it will be checked
226 from head to tail looking for a separator. Searches will be done from
227 the end of the buffer."
228 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
230 (repeat :tag "List of regexp" regexp))
231 :group 'gnus-article-signature)
233 (defcustom gnus-signature-limit nil
234 "Provide a limit to what is considered a signature.
235 If it is a number, no signature may not be longer (in characters) than
236 that number. If it is a floating point number, no signature may be
237 longer (in lines) than that number. If it is a function, the function
238 will be called without any parameters, and if it returns nil, there is
239 no signature in the buffer. If it is a string, it will be used as a
240 regexp. If it matches, the text in question is not a signature."
241 :type '(choice (const nil)
244 (function :value fun)
245 (regexp :value ".*"))
246 :group 'gnus-article-signature)
248 (defcustom gnus-hidden-properties '(invisible t intangible t)
249 "Property list to use for hiding text."
251 :group 'gnus-article-hiding)
253 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
254 ;; frames in a session.
255 (defcustom gnus-article-x-face-command
256 (if (featurep 'xemacs)
257 (if (or (gnus-image-type-available-p 'xface)
258 (gnus-image-type-available-p 'pbm))
259 'gnus-display-x-face-in-from
260 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
261 (if (gnus-image-type-available-p 'pbm)
262 'gnus-display-x-face-in-from
263 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
265 "*String or function to be executed to display an X-Face header.
266 If it is a string, the command will be executed in a sub-shell
267 asynchronously. The compressed face will be piped to this command."
268 :type `(choice string
269 (function-item gnus-display-x-face-in-from)
273 :group 'gnus-article-washing)
275 (defcustom gnus-article-x-face-too-ugly nil
276 "Regexp matching posters whose face shouldn't be shown automatically."
277 :type '(choice regexp (const nil))
278 :group 'gnus-article-washing)
280 (defcustom gnus-article-banner-alist nil
281 "Banner alist for stripping.
283 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
285 :type '(repeat (cons symbol regexp))
286 :group 'gnus-article-washing)
288 (gnus-define-group-parameter
291 "Alist of regexps (to match group names) and banner."
292 :variable-group gnus-article-washing
294 '(choice :tag "Banner"
296 (const :tag "Remove signature" signature)
297 (symbol :tag "Item in `gnus-article-banner-alist'" none)
299 (const :tag "None" nil))
301 "If non-nil, specify how to remove `banners' from articles.
303 Symbol `signature' means to remove signatures delimited by
304 `gnus-signature-separator'. Any other symbol is used to look up a
305 regular expression to match the banner in `gnus-article-banner-alist'.
306 A string is used as a regular expression to match the banner
309 (defcustom gnus-article-address-banner-alist nil
310 "Alist of mail addresses and banners.
311 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
312 to match a mail address in the From: header, BANNER is one of a symbol
313 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
314 If ADDRESS matches author's mail address, it will remove things like
315 advertisements. For example:
317 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
321 (regexp :tag "Address")
322 (choice :tag "Banner" :value nil
323 (const :tag "Remove signature" signature)
324 (symbol :tag "Item in `gnus-article-banner-alist'" none)
326 (const :tag "None" nil))))
328 :group 'gnus-article-washing)
330 (defmacro gnus-emphasis-custom-with-format (&rest body)
332 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
333 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
336 (defun gnus-emphasis-custom-value-to-external (value)
337 (gnus-emphasis-custom-with-format
338 (if (consp (car value))
339 (list (format format (car (car value)) (cdr (car value)))
341 (if (nth 1 value) 2 3)
345 (defun gnus-emphasis-custom-value-to-internal (value)
346 (gnus-emphasis-custom-with-format
347 (let ((regexp (concat "\\`"
348 (format (regexp-quote format)
349 "\\([^()]+\\)" "\\([^()]+\\)")
352 (if (string-match regexp (setq pattern (car value)))
353 (list (cons (match-string 1 pattern) (match-string 2 pattern))
358 (defcustom gnus-emphasis-alist
360 '(("\\*" "\\*" bold nil 2)
363 ("_/" "/_" underline-italic)
364 ("_\\*" "\\*_" underline-bold)
365 ("\\*/" "/\\*" bold-italic)
366 ("_\\*/" "/\\*_" underline-bold-italic))))
368 (gnus-emphasis-custom-with-format
369 (mapcar (lambda (spec)
370 (list (format format (car spec) (cadr spec))
373 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
375 '(;; I've never seen anyone use this strikethru convention whereas I've
376 ;; several times seen it triggered by normal text. --Stef
377 ;; Miles suggests that this form is sometimes used but for italics,
378 ;; so maybe we should map it to `italic'.
379 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
380 ;; 2 3 gnus-emphasis-strikethru)
381 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
382 2 3 gnus-emphasis-underline))))
383 "*Alist that says how to fontify certain phrases.
384 Each item looks like this:
386 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
388 The first element is a regular expression to be matched. The second
389 is a number that says what regular expression grouping used to find
390 the entire emphasized word. The third is a number that says what
391 regexp grouping should be displayed and highlighted. The fourth
392 is the face used for highlighting."
396 :format "%[Customizing Style%]\n%v"
398 (group :tag "Default"
399 :value ("" 0 0 default)
402 (let ((value (widget-get
403 (cadr (widget-get (widget-get widget :parent)
406 (if (not (eq (nth 2 value) 'default))
410 (gnus-emphasis-custom-value-to-external value))))
411 (widget-group-value-create widget))
413 (integer :format "Match group: %v")
414 (integer :format "Emphasize group: %v")
417 :value (("_" . "_") nil default)
419 (regexp :format "Start regexp: %v")
420 (regexp :format "End regexp: %v"))
421 (boolean :format "Show start and end patterns: %[%v%]\n"
422 :on " On " :off " Off ")
424 :get (lambda (symbol)
425 (mapcar 'gnus-emphasis-custom-value-to-internal
426 (default-value symbol)))
427 :set (lambda (symbol value)
428 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
430 :group 'gnus-article-emphasis)
432 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
433 "A regexp to describe whitespace which should not be emphasized.
434 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
435 The former avoids underlining of leading and trailing whitespace,
436 and the latter avoids underlining any whitespace at all."
438 :group 'gnus-article-emphasis
441 (defface gnus-emphasis-bold '((t (:bold t)))
442 "Face used for displaying strong emphasized text (*word*)."
443 :group 'gnus-article-emphasis)
445 (defface gnus-emphasis-italic '((t (:italic t)))
446 "Face used for displaying italic emphasized text (/word/)."
447 :group 'gnus-article-emphasis)
449 (defface gnus-emphasis-underline '((t (:underline t)))
450 "Face used for displaying underlined emphasized text (_word_)."
451 :group 'gnus-article-emphasis)
453 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
454 "Face used for displaying underlined bold emphasized text (_*word*_)."
455 :group 'gnus-article-emphasis)
457 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
458 "Face used for displaying underlined italic emphasized text (_/word/_)."
459 :group 'gnus-article-emphasis)
461 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
462 "Face used for displaying bold italic emphasized text (/*word*/)."
463 :group 'gnus-article-emphasis)
465 (defface gnus-emphasis-underline-bold-italic
466 '((t (:bold t :italic t :underline t)))
467 "Face used for displaying underlined bold italic emphasized text.
468 Example: (_/*word*/_)."
469 :group 'gnus-article-emphasis)
471 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
472 '((t (:strikethru t)))
473 '((t (:strike-through t))))
474 "Face used for displaying strike-through text (-word-)."
475 :group 'gnus-article-emphasis)
477 (defface gnus-emphasis-highlight-words
478 '((t (:background "black" :foreground "yellow")))
479 "Face used for displaying highlighted words."
480 :group 'gnus-article-emphasis)
482 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
483 "Format for display of Date headers in article bodies.
484 See `format-time-string' for the possible values.
486 The variable can also be function, which should return a complete Date
487 header. The function is called with one argument, the time, which can
488 be fed to `format-time-string'."
489 :type '(choice string symbol)
490 :link '(custom-manual "(gnus)Article Date")
491 :group 'gnus-article-washing)
493 (defcustom gnus-save-all-headers t
494 "*If non-nil, don't remove any headers before saving."
495 :group 'gnus-article-saving
498 (defcustom gnus-prompt-before-saving 'always
499 "*This variable says how much prompting is to be done when saving articles.
500 If it is nil, no prompting will be done, and the articles will be
501 saved to the default files. If this variable is `always', each and
502 every article that is saved will be preceded by a prompt, even when
503 saving large batches of articles. If this variable is neither nil not
504 `always', there the user will be prompted once for a file name for
505 each invocation of the saving commands."
506 :group 'gnus-article-saving
507 :type '(choice (item always)
508 (item :tag "never" nil)
509 (sexp :tag "once" :format "%t\n" :value t)))
511 (defcustom gnus-saved-headers gnus-visible-headers
512 "Headers to keep if `gnus-save-all-headers' is nil.
513 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
514 If that variable is nil, however, all headers that match this regexp
515 will be kept while the rest will be deleted before saving."
516 :group 'gnus-article-saving
519 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
520 "A function to save articles in your favourite format.
521 The function must be interactively callable (in other words, it must
522 be an Emacs command).
524 Gnus provides the following functions:
526 * gnus-summary-save-in-rmail (Rmail format)
527 * gnus-summary-save-in-mail (Unix mail format)
528 * gnus-summary-save-in-folder (MH folder)
529 * gnus-summary-save-in-file (article format)
530 * gnus-summary-save-body-in-file (article body)
531 * gnus-summary-save-in-vm (use VM's folder format)
532 * gnus-summary-write-to-file (article format -- overwrite)."
533 :group 'gnus-article-saving
534 :type '(radio (function-item gnus-summary-save-in-rmail)
535 (function-item gnus-summary-save-in-mail)
536 (function-item gnus-summary-save-in-folder)
537 (function-item gnus-summary-save-in-file)
538 (function-item gnus-summary-save-body-in-file)
539 (function-item gnus-summary-save-in-vm)
540 (function-item gnus-summary-write-to-file)
543 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
544 "A function generating a file name to save articles in Rmail format.
545 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
546 :group 'gnus-article-saving
549 (defcustom gnus-mail-save-name 'gnus-plain-save-name
550 "A function generating a file name to save articles in Unix mail format.
551 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
552 :group 'gnus-article-saving
555 (defcustom gnus-folder-save-name 'gnus-folder-save-name
556 "A function generating a file name to save articles in MH folder.
557 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
558 :group 'gnus-article-saving
561 (defcustom gnus-file-save-name 'gnus-numeric-save-name
562 "A function generating a file name to save articles in article format.
563 The function is called with NEWSGROUP, HEADERS, and optional
565 :group 'gnus-article-saving
568 (defcustom gnus-split-methods
569 '((gnus-article-archive-name)
570 (gnus-article-nndoc-name))
571 "*Variable used to suggest where articles are to be saved.
572 For instance, if you would like to save articles related to Gnus in
573 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
574 you could set this variable to something like:
576 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
577 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
579 This variable is an alist where the where the key is the match and the
580 value is a list of possible files to save in if the match is non-nil.
582 If the match is a string, it is used as a regexp match on the
583 article. If the match is a symbol, that symbol will be funcalled
584 from the buffer of the article to be saved with the newsgroup as the
585 parameter. If it is a list, it will be evaled in the same buffer.
587 If this form or function returns a string, this string will be used as
588 a possible file name; and if it returns a non-nil list, that list will
589 be used as possible file names."
590 :group 'gnus-article-saving
591 :type '(repeat (choice (list :value (fun) function)
592 (cons :value ("" "") regexp (repeat string))
595 (defcustom gnus-page-delimiter "^\^L"
596 "*Regexp describing what to use as article page delimiters.
597 The default value is \"^\^L\", which is a form linefeed at the
598 beginning of a line."
600 :group 'gnus-article-various)
602 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
603 "*The format specification for the article mode line.
604 See `gnus-summary-mode-line-format' for a closer description.
606 The following additional specs are available:
608 %w The article washing status.
609 %m The number of MIME parts in the article."
611 :group 'gnus-article-various)
613 (defcustom gnus-article-mode-hook nil
614 "*A hook for Gnus article mode."
616 :group 'gnus-article-various)
618 (when (featurep 'xemacs)
619 ;; Extracted from gnus-xmas-define in order to preserve user settings
620 (when (fboundp 'turn-off-scroll-in-place)
621 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
622 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
623 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
625 (defcustom gnus-article-menu-hook nil
626 "*Hook run after the creation of the article mode menu."
628 :group 'gnus-article-various)
630 (defcustom gnus-article-prepare-hook nil
631 "*A hook called after an article has been prepared in the article buffer."
633 :group 'gnus-article-various)
635 (make-obsolete-variable 'gnus-article-hide-pgp-hook
636 "This variable is obsolete in Gnus 5.10.")
638 (defcustom gnus-article-button-face 'bold
639 "Face used for highlighting buttons in the article buffer.
641 An article button is a piece of text that you can activate by pressing
642 `RET' or `mouse-2' above it."
644 :group 'gnus-article-buttons)
646 (defcustom gnus-article-mouse-face 'highlight
647 "Face used for mouse highlighting in the article buffer.
649 Article buttons will be displayed in this face when the cursor is
652 :group 'gnus-article-buttons)
654 (defcustom gnus-signature-face 'gnus-signature
655 "Face used for highlighting a signature in the article buffer.
656 Obsolete; use the face `gnus-signature' for customizations instead."
658 :group 'gnus-article-highlight
659 :group 'gnus-article-signature)
661 (defface gnus-signature
664 "Face used for highlighting a signature in the article buffer."
665 :group 'gnus-article-highlight
666 :group 'gnus-article-signature)
667 ;; backward-compatibility alias
668 (put 'gnus-signature-face 'face-alias 'gnus-signature)
670 (defface gnus-header-from
673 (:foreground "spring green"))
676 (:foreground "red3"))
679 "Face used for displaying from headers."
680 :group 'gnus-article-headers
681 :group 'gnus-article-highlight)
682 ;; backward-compatibility alias
683 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
685 (defface gnus-header-subject
688 (:foreground "SeaGreen3"))
691 (:foreground "red4"))
693 (:bold t :italic t)))
694 "Face used for displaying subject headers."
695 :group 'gnus-article-headers
696 :group 'gnus-article-highlight)
697 ;; backward-compatibility alias
698 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
700 (defface gnus-header-newsgroups
703 (:foreground "yellow" :italic t))
706 (:foreground "MidnightBlue" :italic t))
709 "Face used for displaying newsgroups headers.
710 In the default setup this face is only used for crossposted
712 :group 'gnus-article-headers
713 :group 'gnus-article-highlight)
714 ;; backward-compatibility alias
715 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
717 (defface gnus-header-name
720 (:foreground "SeaGreen"))
723 (:foreground "maroon"))
726 "Face used for displaying header names."
727 :group 'gnus-article-headers
728 :group 'gnus-article-highlight)
729 ;; backward-compatibility alias
730 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
732 (defface gnus-header-content
735 (:foreground "forest green" :italic t))
738 (:foreground "indianred4" :italic t))
740 (:italic t))) "Face used for displaying header content."
741 :group 'gnus-article-headers
742 :group 'gnus-article-highlight)
743 ;; backward-compatibility alias
744 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
746 (defcustom gnus-header-face-alist
747 '(("From" nil gnus-header-from)
748 ("Subject" nil gnus-header-subject)
749 ("Newsgroups:.*," nil gnus-header-newsgroups)
750 ("" gnus-header-name gnus-header-content))
751 "*Controls highlighting of article headers.
753 An alist of the form (HEADER NAME CONTENT).
755 HEADER is a regular expression which should match the name of a
756 header and NAME and CONTENT are either face names or nil.
758 The name of each header field will be displayed using the face
759 specified by the first element in the list where HEADER matches
760 the header name and NAME is non-nil. Similarly, the content will
761 be displayed by the first non-nil matching CONTENT face."
762 :group 'gnus-article-headers
763 :group 'gnus-article-highlight
764 :type '(repeat (list (regexp :tag "Header")
766 (item :tag "skip" nil)
767 (face :value default))
768 (choice :tag "Content"
769 (item :tag "skip" nil)
770 (face :value default)))))
772 (defcustom gnus-article-decode-hook
773 '(article-decode-charset article-decode-encoded-words
774 article-decode-group-name article-decode-idna-rhs)
775 "*Hook run to decode charsets in articles."
776 :group 'gnus-article-headers
779 (defcustom gnus-display-mime-function 'gnus-display-mime
780 "Function to display MIME articles."
781 :group 'gnus-article-mime
784 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
785 "Function used to decode headers.")
787 (defvar gnus-article-dumbquotes-map
807 "Table for MS-to-Latin1 translation.")
809 (defcustom gnus-ignored-mime-types nil
810 "List of MIME types that should be ignored by Gnus."
812 :group 'gnus-article-mime
813 :type '(repeat regexp))
815 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
816 "List of MIME types that should not be given buttons when rendered inline.
817 See also `gnus-buttonized-mime-types' which may override this variable.
818 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
820 :group 'gnus-article-mime
821 :type '(repeat regexp))
823 (defcustom gnus-buttonized-mime-types nil
824 "List of MIME types that should be given buttons when rendered inline.
825 If set, this variable overrides `gnus-unbuttonized-mime-types'.
826 To see e.g. security buttons you could set this to
827 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
828 this list to display radio buttons that allow you to choose one of two
829 media types those mails include. See also `mm-discouraged-alternatives'.
830 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
832 :group 'gnus-article-mime
833 :type '(repeat regexp))
835 (defcustom gnus-inhibit-mime-unbuttonizing nil
836 "If non-nil, all MIME parts get buttons.
837 When nil (the default value), then some MIME parts do not get buttons,
838 as described by the variables `gnus-buttonized-mime-types' and
839 `gnus-unbuttonized-mime-types'."
841 :group 'gnus-article-mime
844 (defcustom gnus-body-boundary-delimiter "_"
845 "String used to delimit header and body.
846 This variable is used by `gnus-article-treat-body-boundary' which can
847 be controlled by `gnus-treat-body-boundary'."
849 :group 'gnus-article-various
850 :type '(choice (item :tag "None" :value nil)
853 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
855 "Defines the location of the faces database.
856 For information on obtaining this database of pretty pictures, please
857 see http://www.cs.indiana.edu/picons/ftp/index.html"
859 :type '(repeat directory)
860 :link '(url-link :tag "download"
861 "http://www.cs.indiana.edu/picons/ftp/index.html")
862 :link '(custom-manual "(gnus)Picons")
865 (defun gnus-picons-installed-p ()
866 "Say whether picons are installed on your machine."
867 (let ((installed nil))
868 (dolist (database gnus-picon-databases)
869 (when (file-exists-p database)
873 (defcustom gnus-article-mime-part-function nil
874 "Function called with a MIME handle as the argument.
875 This is meant for people who want to do something automatic based
876 on parts -- for instance, adding Vcard info to a database."
877 :group 'gnus-article-mime
878 :type '(choice (const nil)
881 (defcustom gnus-mime-multipart-functions nil
882 "An alist of MIME types to functions to display them."
884 :group 'gnus-article-mime
887 (defcustom gnus-article-date-lapsed-new-header nil
888 "Whether the X-Sent and Date headers can coexist.
889 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
890 either replace the old \"Date:\" header (if this variable is nil), or
891 be added below it (otherwise)."
893 :group 'gnus-article-headers
896 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
897 "Function called with a MIME handle as the argument.
898 This is meant for people who want to view first matched part.
899 For `undisplayed-alternative' (default), the first undisplayed
900 part or alternative part is used. For `undisplayed', the first
901 undisplayed part is used. For a function, the first part which
902 the function return t is used. For nil, the first part is
905 :group 'gnus-article-mime
907 (item :tag "first" :value nil)
908 (item :tag "undisplayed" :value undisplayed)
909 (item :tag "undisplayed or alternative"
910 :value undisplayed-alternative)
913 (defcustom gnus-mime-action-alist
914 '(("save to file" . gnus-mime-save-part)
915 ("save and strip" . gnus-mime-save-part-and-strip)
916 ("delete part" . gnus-mime-delete-part)
917 ("display as text" . gnus-mime-inline-part)
918 ("view the part" . gnus-mime-view-part)
919 ("pipe to command" . gnus-mime-pipe-part)
920 ("toggle display" . gnus-article-press-button)
921 ("toggle display" . gnus-article-view-part-as-charset)
922 ("view as type" . gnus-mime-view-part-as-type)
923 ("view internally" . gnus-mime-view-part-internally)
924 ("view externally" . gnus-mime-view-part-externally))
925 "An alist of actions that run on the MIME attachment."
926 :group 'gnus-article-mime
927 :type '(repeat (cons (string :tag "name")
931 ;;; The treatment variables
934 (defvar gnus-part-display-hook nil
935 "Hook called on parts that are to receive treatment.")
937 (defvar gnus-article-treat-custom
938 '(choice (const :tag "Off" nil)
940 (const :tag "Header" head)
941 (const :tag "Last" last)
942 (integer :tag "Less")
943 (repeat :tag "Groups" regexp)
944 (sexp :tag "Predicate")))
946 (defvar gnus-article-treat-head-custom
947 '(choice (const :tag "Off" nil)
948 (const :tag "Header" head)))
950 (defvar gnus-article-treat-types '("text/plain")
953 (defvar gnus-inhibit-treatment nil
954 "Whether to inhibit treatment.")
956 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
957 "Highlight the signature.
958 Valid values are nil, t, `head', `last', an integer or a predicate.
959 See Info node `(gnus)Customizing Articles'."
960 :group 'gnus-article-treat
961 :link '(custom-manual "(gnus)Customizing Articles")
962 :type gnus-article-treat-custom)
963 (put 'gnus-treat-highlight-signature 'highlight t)
965 (defcustom gnus-treat-buttonize 100000
967 Valid values are nil, t, `head', `last', an integer or a predicate.
968 See Info node `(gnus)Customizing Articles'."
969 :group 'gnus-article-treat
970 :link '(custom-manual "(gnus)Customizing Articles")
971 :type gnus-article-treat-custom)
972 (put 'gnus-treat-buttonize 'highlight t)
974 (defcustom gnus-treat-buttonize-head 'head
975 "Add buttons to the head.
976 Valid values are nil, t, `head', `last', an integer or a predicate.
977 See Info node `(gnus)Customizing Articles' for details."
978 :group 'gnus-article-treat
979 :link '(custom-manual "(gnus)Customizing Articles")
980 :type gnus-article-treat-head-custom)
981 (put 'gnus-treat-buttonize-head 'highlight t)
983 (defcustom gnus-treat-emphasize
984 (and (or window-system
986 (>= (string-to-number emacs-version) 21))
989 Valid values are nil, t, `head', `last', an integer or a predicate.
990 See Info node `(gnus)Customizing Articles' for details."
991 :group 'gnus-article-treat
992 :link '(custom-manual "(gnus)Customizing Articles")
993 :type gnus-article-treat-custom)
994 (put 'gnus-treat-emphasize 'highlight t)
996 (defcustom gnus-treat-strip-cr nil
997 "Remove carriage returns.
998 Valid values are nil, t, `head', `last', an integer or a predicate.
999 See Info node `(gnus)Customizing Articles' for details."
1001 :group 'gnus-article-treat
1002 :link '(custom-manual "(gnus)Customizing Articles")
1003 :type gnus-article-treat-custom)
1005 (defcustom gnus-treat-unsplit-urls nil
1006 "Remove newlines from within URLs.
1007 Valid values are nil, t, `head', `last', an integer or a predicate.
1008 See Info node `(gnus)Customizing Articles' for details."
1010 :group 'gnus-article-treat
1011 :link '(custom-manual "(gnus)Customizing Articles")
1012 :type gnus-article-treat-custom)
1014 (defcustom gnus-treat-leading-whitespace nil
1015 "Remove leading whitespace in headers.
1016 Valid values are nil, t, `head', `last', an integer or a predicate.
1017 See Info node `(gnus)Customizing Articles' for details."
1019 :group 'gnus-article-treat
1020 :link '(custom-manual "(gnus)Customizing Articles")
1021 :type gnus-article-treat-custom)
1023 (defcustom gnus-treat-hide-headers 'head
1025 Valid values are nil, t, `head', `last', an integer or a predicate.
1026 See Info node `(gnus)Customizing Articles' for details."
1027 :group 'gnus-article-treat
1028 :link '(custom-manual "(gnus)Customizing Articles")
1029 :type gnus-article-treat-head-custom)
1031 (defcustom gnus-treat-hide-boring-headers nil
1032 "Hide boring headers.
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-head-custom)
1039 (defcustom gnus-treat-hide-signature nil
1040 "Hide the signature.
1041 Valid values are nil, t, `head', `last', an integer or a predicate.
1042 See Info node `(gnus)Customizing Articles' for details."
1043 :group 'gnus-article-treat
1044 :link '(custom-manual "(gnus)Customizing Articles")
1045 :type gnus-article-treat-custom)
1047 (defcustom gnus-treat-fill-article nil
1049 Valid values are nil, t, `head', `last', an integer or a predicate.
1050 See Info node `(gnus)Customizing Articles' for details."
1051 :group 'gnus-article-treat
1052 :link '(custom-manual "(gnus)Customizing Articles")
1053 :type gnus-article-treat-custom)
1055 (defcustom gnus-treat-hide-citation nil
1057 Valid values are nil, t, `head', `last', an integer or a predicate.
1058 See Info node `(gnus)Customizing Articles' for details."
1059 :group 'gnus-article-treat
1060 :link '(custom-manual "(gnus)Customizing Articles")
1061 :type gnus-article-treat-custom)
1063 (defcustom gnus-treat-hide-citation-maybe nil
1065 Valid values are nil, t, `head', `last', an integer or a predicate.
1066 See Info node `(gnus)Customizing Articles' for details."
1067 :group 'gnus-article-treat
1068 :link '(custom-manual "(gnus)Customizing Articles")
1069 :type gnus-article-treat-custom)
1071 (defcustom gnus-treat-strip-list-identifiers 'head
1072 "Strip list identifiers from `gnus-list-identifiers`.
1073 Valid values are nil, t, `head', `last', an integer or a predicate.
1074 See Info node `(gnus)Customizing Articles' for details."
1076 :group 'gnus-article-treat
1077 :link '(custom-manual "(gnus)Customizing Articles")
1078 :type gnus-article-treat-custom)
1080 (make-obsolete-variable 'gnus-treat-strip-pgp
1081 "This option is obsolete in Gnus 5.10.")
1083 (defcustom gnus-treat-strip-pem nil
1084 "Strip PEM signatures.
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-strip-banner t
1092 "Strip banners from articles.
1093 The banner to be stripped is specified in the `banner' group parameter.
1094 Valid values are nil, t, `head', `last', an integer or a predicate.
1095 See Info node `(gnus)Customizing Articles' for details."
1096 :group 'gnus-article-treat
1097 :link '(custom-manual "(gnus)Customizing Articles")
1098 :type gnus-article-treat-custom)
1100 (defcustom gnus-treat-highlight-headers 'head
1101 "Highlight the headers.
1102 Valid values are nil, t, `head', `last', an integer or a predicate.
1103 See Info node `(gnus)Customizing Articles' for details."
1104 :group 'gnus-article-treat
1105 :link '(custom-manual "(gnus)Customizing Articles")
1106 :type gnus-article-treat-head-custom)
1107 (put 'gnus-treat-highlight-headers 'highlight t)
1109 (defcustom gnus-treat-highlight-citation t
1110 "Highlight cited text.
1111 Valid values are nil, t, `head', `last', an integer or a predicate.
1112 See Info node `(gnus)Customizing Articles' for details."
1113 :group 'gnus-article-treat
1114 :link '(custom-manual "(gnus)Customizing Articles")
1115 :type gnus-article-treat-custom)
1116 (put 'gnus-treat-highlight-citation 'highlight t)
1118 (defcustom gnus-treat-date-ut nil
1119 "Display the Date in UT (GMT).
1120 Valid values are nil, t, `head', `last', an integer or a predicate.
1121 See Info node `(gnus)Customizing Articles' for details."
1122 :group 'gnus-article-treat
1123 :link '(custom-manual "(gnus)Customizing Articles")
1124 :type gnus-article-treat-head-custom)
1126 (defcustom gnus-treat-date-local nil
1127 "Display the Date in the local timezone.
1128 Valid values are nil, t, `head', `last', an integer or a predicate.
1129 See Info node `(gnus)Customizing Articles' for details."
1130 :group 'gnus-article-treat
1131 :link '(custom-manual "(gnus)Customizing Articles")
1132 :type gnus-article-treat-head-custom)
1134 (defcustom gnus-treat-date-english nil
1135 "Display the Date in a format that can be read aloud in English.
1136 Valid values are nil, t, `head', `last', an integer or a predicate.
1137 See Info node `(gnus)Customizing Articles' for details."
1139 :group 'gnus-article-treat
1140 :link '(custom-manual "(gnus)Customizing Articles")
1141 :type gnus-article-treat-head-custom)
1143 (defcustom gnus-treat-date-lapsed nil
1144 "Display the Date header in a way that says how much time has elapsed.
1145 Valid values are nil, t, `head', `last', an integer or a predicate.
1146 See Info node `(gnus)Customizing Articles' for details."
1147 :group 'gnus-article-treat
1148 :link '(custom-manual "(gnus)Customizing Articles")
1149 :type gnus-article-treat-head-custom)
1151 (defcustom gnus-treat-date-original nil
1152 "Display the date in the original timezone.
1153 Valid values are nil, t, `head', `last', an integer or a predicate.
1154 See Info node `(gnus)Customizing Articles' for details."
1155 :group 'gnus-article-treat
1156 :link '(custom-manual "(gnus)Customizing Articles")
1157 :type gnus-article-treat-head-custom)
1159 (defcustom gnus-treat-date-iso8601 nil
1160 "Display the date in the ISO8601 format.
1161 Valid values are nil, t, `head', `last', an integer or a predicate.
1162 See Info node `(gnus)Customizing Articles' for details."
1164 :group 'gnus-article-treat
1165 :link '(custom-manual "(gnus)Customizing Articles")
1166 :type gnus-article-treat-head-custom)
1168 (defcustom gnus-treat-date-user-defined nil
1169 "Display the date in a user-defined format.
1170 The format is defined by the `gnus-article-time-format' variable.
1171 Valid values are nil, t, `head', `last', an integer or a predicate.
1172 See Info node `(gnus)Customizing Articles' for details."
1173 :group 'gnus-article-treat
1174 :link '(custom-manual "(gnus)Customizing Articles")
1175 :type gnus-article-treat-head-custom)
1177 (defcustom gnus-treat-strip-headers-in-body t
1178 "Strip the X-No-Archive header line from the beginning of the body.
1179 Valid values are nil, t, `head', `last', an integer or a predicate.
1180 See Info node `(gnus)Customizing Articles' for details."
1182 :group 'gnus-article-treat
1183 :link '(custom-manual "(gnus)Customizing Articles")
1184 :type gnus-article-treat-custom)
1186 (defcustom gnus-treat-strip-trailing-blank-lines nil
1187 "Strip trailing blank lines.
1188 Valid values are nil, t, `head', `last', an integer or a predicate.
1189 See Info node `(gnus)Customizing Articles' for details.
1191 When set to t, it also strips trailing blanks in all MIME parts.
1192 Consider to use `last' instead."
1193 :group 'gnus-article-treat
1194 :link '(custom-manual "(gnus)Customizing Articles")
1195 :type gnus-article-treat-custom)
1197 (defcustom gnus-treat-strip-leading-blank-lines nil
1198 "Strip leading blank lines.
1199 Valid values are nil, t, `head', `last', an integer or a predicate.
1200 See Info node `(gnus)Customizing Articles' for details.
1202 When set to t, it also strips trailing blanks in all MIME parts."
1203 :group 'gnus-article-treat
1204 :link '(custom-manual "(gnus)Customizing Articles")
1205 :type gnus-article-treat-custom)
1207 (defcustom gnus-treat-strip-multiple-blank-lines nil
1208 "Strip multiple blank lines.
1209 Valid values are nil, t, `head', `last', an integer or a predicate.
1210 See Info node `(gnus)Customizing Articles' for details."
1211 :group 'gnus-article-treat
1212 :link '(custom-manual "(gnus)Customizing Articles")
1213 :type gnus-article-treat-custom)
1215 (defcustom gnus-treat-unfold-headers 'head
1216 "Unfold folded header lines.
1217 Valid values are nil, t, `head', `last', an integer or a predicate.
1218 See Info node `(gnus)Customizing Articles' for details."
1220 :group 'gnus-article-treat
1221 :link '(custom-manual "(gnus)Customizing Articles")
1222 :type gnus-article-treat-custom)
1224 (defcustom gnus-treat-fold-headers nil
1226 Valid values are nil, t, `head', `last', an integer or a predicate.
1227 See Info node `(gnus)Customizing Articles' for details."
1229 :group 'gnus-article-treat
1230 :link '(custom-manual "(gnus)Customizing Articles")
1231 :type gnus-article-treat-custom)
1233 (defcustom gnus-treat-fold-newsgroups 'head
1234 "Fold the Newsgroups and Followup-To headers.
1235 Valid values are nil, t, `head', `last', an integer or a predicate.
1236 See Info node `(gnus)Customizing Articles' for details."
1238 :group 'gnus-article-treat
1239 :link '(custom-manual "(gnus)Customizing Articles")
1240 :type gnus-article-treat-custom)
1242 (defcustom gnus-treat-overstrike t
1243 "Treat overstrike highlighting.
1244 Valid values are nil, t, `head', `last', an integer or a predicate.
1245 See Info node `(gnus)Customizing Articles' for details."
1246 :group 'gnus-article-treat
1247 :link '(custom-manual "(gnus)Customizing Articles")
1248 :type gnus-article-treat-custom)
1249 (put 'gnus-treat-overstrike 'highlight t)
1251 (make-obsolete-variable 'gnus-treat-display-xface
1252 'gnus-treat-display-x-face)
1254 (defcustom gnus-treat-display-x-face
1255 (and (not noninteractive)
1256 (or (and (fboundp 'image-type-available-p)
1257 (image-type-available-p 'xbm)
1258 (string-match "^0x" (shell-command-to-string "uncompface"))
1259 (executable-find "icontopbm"))
1260 (and (featurep 'xemacs)
1263 "Display X-Face headers.
1264 Valid values are nil, t, `head', `last', an integer or a predicate.
1265 See Info node `(gnus)Customizing Articles' and Info node
1266 `(gnus)X-Face' for details."
1267 :group 'gnus-article-treat
1269 :link '(custom-manual "(gnus)Customizing Articles")
1270 :link '(custom-manual "(gnus)X-Face")
1271 :type gnus-article-treat-head-custom
1272 :set (lambda (symbol value)
1275 (cond ((or (boundp symbol) (get symbol 'saved-value))
1277 ((boundp 'gnus-treat-display-xface)
1279 ** gnus-treat-display-xface is an obsolete variable;\
1280 use gnus-treat-display-x-face instead")
1281 (default-value 'gnus-treat-display-xface))
1282 ((get 'gnus-treat-display-xface 'saved-value)
1284 ** gnus-treat-display-xface is an obsolete variable;\
1285 use gnus-treat-display-x-face instead")
1286 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1289 (put 'gnus-treat-display-x-face 'highlight t)
1291 (defcustom gnus-treat-display-face
1292 (and (not noninteractive)
1293 (or (and (fboundp 'image-type-available-p)
1294 (image-type-available-p 'png))
1295 (and (featurep 'xemacs)
1298 "Display Face headers.
1299 Valid values are nil, t, `head', `last', an integer or a predicate.
1300 See Info node `(gnus)Customizing Articles' and Info node
1301 `(gnus)X-Face' for details."
1302 :group 'gnus-article-treat
1304 :link '(custom-manual "(gnus)Customizing Articles")
1305 :link '(custom-manual "(gnus)X-Face")
1306 :type gnus-article-treat-head-custom)
1307 (put 'gnus-treat-display-face 'highlight t)
1309 (defcustom gnus-treat-display-smileys
1310 (if (or (and (featurep 'xemacs)
1312 (and (fboundp 'image-type-available-p)
1313 (image-type-available-p 'pbm)))
1316 Valid values are nil, t, `head', `last', an integer or a predicate.
1317 See Info node `(gnus)Customizing Articles' and Info node
1318 `(gnus)Smileys' for details."
1319 :group 'gnus-article-treat
1321 :link '(custom-manual "(gnus)Customizing Articles")
1322 :link '(custom-manual "(gnus)Smileys")
1323 :type gnus-article-treat-custom)
1324 (put 'gnus-treat-display-smileys 'highlight t)
1326 (defcustom gnus-treat-from-picon
1327 (if (and (gnus-image-type-available-p 'xpm)
1328 (gnus-picons-installed-p))
1330 "Display picons in the From header.
1331 Valid values are nil, t, `head', `last', an integer or a predicate.
1332 See Info node `(gnus)Customizing Articles' and Info node
1333 `(gnus)Picons' for details."
1335 :group 'gnus-article-treat
1337 :link '(custom-manual "(gnus)Customizing Articles")
1338 :link '(custom-manual "(gnus)Picons")
1339 :type gnus-article-treat-head-custom)
1340 (put 'gnus-treat-from-picon 'highlight t)
1342 (defcustom gnus-treat-mail-picon
1343 (if (and (gnus-image-type-available-p 'xpm)
1344 (gnus-picons-installed-p))
1346 "Display picons in To and Cc headers.
1347 Valid values are nil, t, `head', `last', an integer or a predicate.
1348 See Info node `(gnus)Customizing Articles' and Info node
1349 `(gnus)Picons' for details."
1351 :group 'gnus-article-treat
1353 :link '(custom-manual "(gnus)Customizing Articles")
1354 :link '(custom-manual "(gnus)Picons")
1355 :type gnus-article-treat-head-custom)
1356 (put 'gnus-treat-mail-picon 'highlight t)
1358 (defcustom gnus-treat-newsgroups-picon
1359 (if (and (gnus-image-type-available-p 'xpm)
1360 (gnus-picons-installed-p))
1362 "Display picons in the Newsgroups and Followup-To headers.
1363 Valid values are nil, t, `head', `last', an integer or a predicate.
1364 See Info node `(gnus)Customizing Articles' and Info node
1365 `(gnus)Picons' for details."
1367 :group 'gnus-article-treat
1369 :link '(custom-manual "(gnus)Customizing Articles")
1370 :link '(custom-manual "(gnus)Picons")
1371 :type gnus-article-treat-head-custom)
1372 (put 'gnus-treat-newsgroups-picon 'highlight t)
1374 (defcustom gnus-treat-body-boundary
1375 (if (or gnus-treat-newsgroups-picon
1376 gnus-treat-mail-picon
1377 gnus-treat-from-picon)
1379 "Draw a boundary at the end of the headers.
1380 Valid values are nil and `head'.
1381 See Info node `(gnus)Customizing Articles' for details."
1383 :group 'gnus-article-treat
1384 :link '(custom-manual "(gnus)Customizing Articles")
1385 :type gnus-article-treat-head-custom)
1387 (defcustom gnus-treat-capitalize-sentences nil
1388 "Capitalize sentence-starting words.
1389 Valid values are nil, t, `head', `last', an integer or a predicate.
1390 See Info node `(gnus)Customizing Articles' for details."
1392 :group 'gnus-article-treat
1393 :link '(custom-manual "(gnus)Customizing Articles")
1394 :type gnus-article-treat-custom)
1396 (defcustom gnus-treat-wash-html nil
1398 Valid values are nil, t, `head', `last', an integer or a predicate.
1399 See Info node `(gnus)Customizing Articles' for details."
1401 :group 'gnus-article-treat
1402 :link '(custom-manual "(gnus)Customizing Articles")
1403 :type gnus-article-treat-custom)
1405 (defcustom gnus-treat-fill-long-lines nil
1407 Valid values are nil, t, `head', `last', an integer or a predicate.
1408 See Info node `(gnus)Customizing Articles' for details."
1409 :group 'gnus-article-treat
1410 :link '(custom-manual "(gnus)Customizing Articles")
1411 :type gnus-article-treat-custom)
1413 (defcustom gnus-treat-play-sounds nil
1415 Valid values are nil, t, `head', `last', an integer or a predicate.
1416 See Info node `(gnus)Customizing Articles' for details."
1418 :group 'gnus-article-treat
1419 :link '(custom-manual "(gnus)Customizing Articles")
1420 :type gnus-article-treat-custom)
1422 (defcustom gnus-treat-translate nil
1423 "Translate articles from one language to another.
1424 Valid values are nil, t, `head', `last', an integer or a predicate.
1425 See Info node `(gnus)Customizing Articles' for details."
1427 :group 'gnus-article-treat
1428 :link '(custom-manual "(gnus)Customizing Articles")
1429 :type gnus-article-treat-custom)
1431 (defcustom gnus-treat-x-pgp-sig nil
1433 To automatically treat X-PGP-Sig, set it to head.
1434 Valid values are nil, t, `head', `last', an integer or a predicate.
1435 See Info node `(gnus)Customizing Articles' for details."
1437 :group 'gnus-article-treat
1438 :group 'mime-security
1439 :link '(custom-manual "(gnus)Customizing Articles")
1440 :type gnus-article-treat-custom)
1442 (defvar gnus-article-encrypt-protocol-alist
1443 '(("PGP" . mml2015-self-encrypt)))
1445 ;; Set to nil if more than one protocol added to
1446 ;; gnus-article-encrypt-protocol-alist.
1447 (defcustom gnus-article-encrypt-protocol "PGP"
1448 "The protocol used for encrypt articles.
1449 It is a string, such as \"PGP\". If nil, ask user."
1452 :group 'mime-security)
1454 (defvar gnus-article-wash-function nil
1455 "Function used for converting HTML into text.")
1457 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1458 (mm-coding-system-p 'utf-8)
1459 (executable-find idna-program))
1460 "Whether IDNA decoding of headers is used when viewing messages.
1461 This requires GNU Libidn, and by default only enabled if it is found."
1463 :group 'gnus-article-headers
1466 (defcustom gnus-article-over-scroll nil
1467 "If non-nil, allow scrolling the article buffer even when there no more text."
1469 :group 'gnus-article
1472 ;;; Internal variables
1474 (defvar gnus-english-month-names
1475 '("January" "February" "March" "April" "May" "June" "July" "August"
1476 "September" "October" "November" "December"))
1478 (defvar article-goto-body-goes-to-point-min-p nil)
1479 (defvar gnus-article-wash-types nil)
1480 (defvar gnus-article-emphasis-alist nil)
1481 (defvar gnus-article-image-alist nil)
1483 (defvar gnus-article-mime-handle-alist-1 nil)
1484 (defvar gnus-treatment-function-alist
1485 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1486 (gnus-treat-strip-banner gnus-article-strip-banner)
1487 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1488 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1489 (gnus-treat-buttonize gnus-article-add-buttons)
1490 (gnus-treat-fill-article gnus-article-fill-cited-article)
1491 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1492 (gnus-treat-strip-cr gnus-article-remove-cr)
1493 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1494 (gnus-treat-date-ut gnus-article-date-ut)
1495 (gnus-treat-date-local gnus-article-date-local)
1496 (gnus-treat-date-english gnus-article-date-english)
1497 (gnus-treat-date-original gnus-article-date-original)
1498 (gnus-treat-date-user-defined gnus-article-date-user)
1499 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1500 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1501 (gnus-treat-display-x-face gnus-article-display-x-face)
1502 (gnus-treat-display-face gnus-article-display-face)
1503 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1504 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1505 (gnus-treat-hide-signature gnus-article-hide-signature)
1506 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1507 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1508 (gnus-treat-strip-pem gnus-article-hide-pem)
1509 (gnus-treat-from-picon gnus-treat-from-picon)
1510 (gnus-treat-mail-picon gnus-treat-mail-picon)
1511 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1512 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1513 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1514 (gnus-treat-strip-trailing-blank-lines
1515 gnus-article-remove-trailing-blank-lines)
1516 (gnus-treat-strip-leading-blank-lines
1517 gnus-article-strip-leading-blank-lines)
1518 (gnus-treat-strip-multiple-blank-lines
1519 gnus-article-strip-multiple-blank-lines)
1520 (gnus-treat-overstrike gnus-article-treat-overstrike)
1521 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1522 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1523 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1524 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1525 (gnus-treat-display-smileys gnus-treat-smiley)
1526 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1527 (gnus-treat-wash-html gnus-article-wash-html)
1528 (gnus-treat-emphasize gnus-article-emphasize)
1529 (gnus-treat-hide-citation gnus-article-hide-citation)
1530 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1531 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1532 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1533 (gnus-treat-play-sounds gnus-earcon-display)))
1535 (defvar gnus-article-mime-handle-alist nil)
1536 (defvar article-lapsed-timer nil)
1537 (defvar gnus-article-current-summary nil)
1539 (defvar gnus-article-mode-syntax-table
1540 (let ((table (copy-syntax-table text-mode-syntax-table)))
1541 ;; This causes the citation match run O(2^n).
1542 ;; (modify-syntax-entry ?- "w" table)
1543 (modify-syntax-entry ?> ")<" table)
1544 (modify-syntax-entry ?< "(>" table)
1545 ;; make M-. in article buffers work for `foo' strings
1546 (modify-syntax-entry ?' " " table)
1547 (modify-syntax-entry ?` " " table)
1549 "Syntax table used in article mode buffers.
1550 Initialized from `text-mode-syntax-table.")
1552 (defvar gnus-save-article-buffer nil)
1554 (defvar gnus-article-mode-line-format-alist
1555 (nconc '((?w (gnus-article-wash-status) ?s)
1556 (?m (gnus-article-mime-part-status) ?s))
1557 gnus-summary-mode-line-format-alist))
1559 (defvar gnus-number-of-articles-to-be-saved nil)
1561 (defvar gnus-inhibit-hiding nil)
1563 (defvar gnus-article-edit-mode nil)
1565 ;;; Macros for dealing with the article buffer.
1567 (defmacro gnus-with-article-headers (&rest forms)
1569 (set-buffer gnus-article-buffer)
1571 (let ((inhibit-read-only t)
1572 (inhibit-point-motion-hooks t)
1573 (case-fold-search t))
1574 (article-narrow-to-head)
1577 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1578 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1580 (defmacro gnus-with-article-buffer (&rest forms)
1582 (set-buffer gnus-article-buffer)
1583 (let ((inhibit-read-only t))
1586 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1587 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1589 (defun gnus-article-goto-header (header)
1590 "Go to HEADER, which is a regular expression."
1591 (re-search-forward (concat "^\\(" header "\\):") nil t))
1593 (defsubst gnus-article-hide-text (b e props)
1594 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1595 (gnus-add-text-properties-when 'article-type nil b e props)
1596 (when (memq 'intangible props)
1598 (max (1- b) (point-min))
1599 b 'intangible (cddr (memq 'intangible props)))))
1601 (defsubst gnus-article-unhide-text (b e)
1602 "Remove hidden text properties from region between B and E."
1603 (remove-text-properties b e gnus-hidden-properties)
1604 (when (memq 'intangible gnus-hidden-properties)
1605 (put-text-property (max (1- b) (point-min))
1606 b 'intangible nil)))
1608 (defun gnus-article-hide-text-type (b e type)
1609 "Hide text of TYPE between B and E."
1610 (gnus-add-wash-type type)
1611 (gnus-article-hide-text
1612 b e (cons 'article-type (cons type gnus-hidden-properties))))
1614 (defun gnus-article-unhide-text-type (b e type)
1615 "Unhide text of TYPE between B and E."
1616 (gnus-delete-wash-type type)
1617 (remove-text-properties
1618 b e (cons 'article-type (cons type gnus-hidden-properties)))
1619 (when (memq 'intangible gnus-hidden-properties)
1620 (put-text-property (max (1- b) (point-min))
1621 b 'intangible nil)))
1623 (defun gnus-article-hide-text-of-type (type)
1624 "Hide text of TYPE in the current buffer."
1626 (let ((b (point-min))
1628 (while (setq b (text-property-any b e 'article-type type))
1629 (add-text-properties b (incf b) gnus-hidden-properties)))))
1631 (defun gnus-article-delete-text-of-type (type)
1632 "Delete text of TYPE in the current buffer."
1634 (let ((b (point-min)))
1635 (while (setq b (text-property-any b (point-max) 'article-type type))
1637 b (or (text-property-not-all b (point-max) 'article-type type)
1640 (defun gnus-article-delete-invisible-text ()
1641 "Delete all invisible text in the current buffer."
1643 (let ((b (point-min)))
1644 (while (setq b (text-property-any b (point-max) 'invisible t))
1646 b (or (text-property-not-all b (point-max) 'invisible t)
1649 (defun gnus-article-text-type-exists-p (type)
1650 "Say whether any text of type TYPE exists in the buffer."
1651 (text-property-any (point-min) (point-max) 'article-type type))
1653 (defsubst gnus-article-header-rank ()
1654 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1655 (let ((list gnus-sorted-header-list)
1658 (if (looking-at (car list))
1660 (setq list (cdr list))
1664 (defun article-hide-headers (&optional arg delete)
1665 "Hide unwanted headers and possibly sort them as well."
1667 ;; This function might be inhibited.
1668 (unless gnus-inhibit-hiding
1669 (let ((inhibit-read-only nil)
1670 (case-fold-search t)
1671 (max (1+ (length gnus-sorted-header-list)))
1672 (inhibit-point-motion-hooks t)
1673 (cur (current-buffer))
1674 ignored visible beg)
1676 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1677 ;; group parameters, so we should go to the summary buffer.
1680 (progn (set-buffer gnus-summary-buffer) t)
1682 (setq ignored (when (not gnus-visible-headers)
1683 (cond ((stringp gnus-ignored-headers)
1684 gnus-ignored-headers)
1685 ((listp gnus-ignored-headers)
1686 (mapconcat 'identity
1687 gnus-ignored-headers
1689 visible (cond ((stringp gnus-visible-headers)
1690 gnus-visible-headers)
1691 ((and gnus-visible-headers
1692 (listp gnus-visible-headers))
1693 (mapconcat 'identity
1694 gnus-visible-headers
1698 ;; First we narrow to just the headers.
1699 (article-narrow-to-head)
1700 ;; Hide any "From " lines at the beginning of (mail) articles.
1701 (while (looking-at "From ")
1704 (delete-region (point-min) (point)))
1705 ;; Then treat the rest of the header lines.
1706 ;; Then we use the two regular expressions
1707 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1708 ;; select which header lines is to remain visible in the
1710 (while (re-search-forward "^[^ \t:]*:" nil t)
1712 ;; Mark the rank of the header.
1714 (point) (1+ (point)) 'message-rank
1715 (if (or (and visible (looking-at visible))
1717 (not (looking-at ignored))))
1718 (gnus-article-header-rank)
1721 (message-sort-headers-1)
1722 (when (setq beg (text-property-any
1723 (point-min) (point-max) 'message-rank (+ 2 max)))
1724 ;; We delete the unwanted headers.
1725 (gnus-add-wash-type 'headers)
1726 (add-text-properties (point-min) (+ 5 (point-min))
1727 '(article-type headers dummy-invisible t))
1728 (delete-region beg (point-max))))))))
1730 (defun article-hide-boring-headers (&optional arg)
1731 "Toggle hiding of headers that aren't very interesting.
1732 If given a negative prefix, always show; if given a positive prefix,
1734 (interactive (gnus-article-hidden-arg))
1735 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1736 (not gnus-show-all-headers))
1739 (let ((inhibit-read-only t)
1740 (list gnus-boring-article-headers)
1741 (inhibit-point-motion-hooks t)
1743 (article-narrow-to-head)
1745 (setq elem (pop list))
1746 (goto-char (point-min))
1748 ;; Hide empty headers.
1750 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1752 (gnus-article-hide-text-type
1756 (if (re-search-forward "^[^ \t]" nil t)
1760 ;; Hide boring Newsgroups header.
1761 ((eq elem 'newsgroups)
1762 (when (gnus-string-equal
1763 (gnus-fetch-field "newsgroups")
1764 (gnus-group-real-name
1765 (if (boundp 'gnus-newsgroup-name)
1768 (gnus-article-hide-header "newsgroups")))
1769 ((eq elem 'to-address)
1770 (let ((to (message-fetch-field "to"))
1772 (gnus-parameter-to-address
1773 (if (boundp 'gnus-newsgroup-name)
1774 gnus-newsgroup-name ""))))
1775 (when (and to to-address
1778 ;; only one address in To
1779 (nth 1 (mail-extract-address-components to))
1781 (gnus-article-hide-header "to"))))
1783 (let ((to (message-fetch-field "to"))
1785 (gnus-parameter-to-list
1786 (if (boundp 'gnus-newsgroup-name)
1787 gnus-newsgroup-name ""))))
1788 (when (and to to-list
1791 ;; only one address in To
1792 (nth 1 (mail-extract-address-components to))
1794 (gnus-article-hide-header "to"))))
1796 (let ((cc (message-fetch-field "cc"))
1798 (gnus-parameter-to-list
1799 (if (boundp 'gnus-newsgroup-name)
1800 gnus-newsgroup-name ""))))
1801 (when (and cc to-list
1804 ;; only one address in CC
1805 (nth 1 (mail-extract-address-components cc))
1807 (gnus-article-hide-header "cc"))))
1808 ((eq elem 'followup-to)
1809 (when (gnus-string-equal
1810 (message-fetch-field "followup-to")
1811 (message-fetch-field "newsgroups"))
1812 (gnus-article-hide-header "followup-to")))
1813 ((eq elem 'reply-to)
1814 (if (gnus-group-find-parameter
1815 gnus-newsgroup-name 'broken-reply-to)
1816 (gnus-article-hide-header "reply-to")
1817 (let ((from (message-fetch-field "from"))
1818 (reply-to (message-fetch-field "reply-to")))
1825 (lambda (x) (downcase (cadr x)))
1826 (mail-extract-address-components from t))
1829 (lambda (x) (downcase (cadr x)))
1830 (mail-extract-address-components reply-to t))
1832 (gnus-article-hide-header "reply-to")))))
1834 (let ((date (message-fetch-field "date")))
1836 (< (days-between (current-time-string) date)
1838 (gnus-article-hide-header "date"))))
1840 (let ((to (message-fetch-field "to"))
1841 (cc (message-fetch-field "cc")))
1842 (when (> (length to) 1024)
1843 (gnus-article-hide-header "to"))
1844 (when (> (length cc) 1024)
1845 (gnus-article-hide-header "cc"))))
1849 (goto-char (point-min))
1850 (while (re-search-forward "^to:" nil t)
1851 (setq to-count (1+ to-count)))
1852 (when (> to-count 1)
1853 (while (> to-count 0)
1854 (goto-char (point-min))
1856 (re-search-forward "^to:" nil nil to-count)
1858 (narrow-to-region (point) (point-max))
1859 (gnus-article-hide-header "to"))
1860 (setq to-count (1- to-count))))
1861 (goto-char (point-min))
1862 (while (re-search-forward "^cc:" nil t)
1863 (setq cc-count (1+ cc-count)))
1864 (when (> cc-count 1)
1865 (while (> cc-count 0)
1866 (goto-char (point-min))
1868 (re-search-forward "^cc:" nil nil cc-count)
1870 (narrow-to-region (point) (point-max))
1871 (gnus-article-hide-header "cc"))
1872 (setq cc-count (1- cc-count)))))))))))))
1874 (defun gnus-article-hide-header (header)
1876 (goto-char (point-min))
1877 (when (re-search-forward (concat "^" header ":") nil t)
1878 (gnus-article-hide-text-type
1882 (if (re-search-forward "^[^ \t]" nil t)
1887 (defvar gnus-article-normalized-header-length 40
1888 "Length of normalized headers.")
1890 (defun article-normalize-headers ()
1891 "Make all header lines 40 characters long."
1893 (let ((inhibit-read-only t)
1897 (article-narrow-to-head)
1900 ((< (setq column (- (gnus-point-at-eol) (point)))
1901 gnus-article-normalized-header-length)
1903 (insert (make-string
1904 (- gnus-article-normalized-header-length column)
1906 ((> column gnus-article-normalized-header-length)
1907 (gnus-put-text-property
1909 (forward-char gnus-article-normalized-header-length)
1916 (forward-line 1))))))
1918 (defun article-treat-dumbquotes ()
1919 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1920 Note that this function guesses whether a character is a sm*rtq**t* or
1921 not, so it should only be used interactively.
1923 Sm*rtq**t*s are M****s***'s unilateral extension to the
1924 iso-8859-1 character map in an attempt to provide more quoting
1925 characters. If you see something like \\222 or \\264 where
1926 you're expecting some kind of apostrophe or quotation mark, then
1929 (article-translate-strings gnus-article-dumbquotes-map))
1931 (defun article-translate-characters (from to)
1932 "Translate all characters in the body of the article according to FROM and TO.
1933 FROM is a string of characters to translate from; to is a string of
1934 characters to translate to."
1936 (when (article-goto-body)
1937 (let ((inhibit-read-only t)
1938 (x (make-string 225 ?x))
1940 (while (< (incf i) (length x))
1943 (while (< i (length from))
1944 (aset x (aref from i) (aref to i))
1946 (translate-region (point) (point-max) x)))))
1948 (defun article-translate-strings (map)
1949 "Translate all string in the body of the article according to MAP.
1950 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1952 (when (article-goto-body)
1953 (let ((inhibit-read-only t)
1955 (while (setq elem (pop map))
1957 (while (search-forward (car elem) nil t)
1958 (replace-match (cadr elem)))))))))
1960 (defun article-treat-overstrike ()
1961 "Translate overstrikes into bold text."
1964 (when (article-goto-body)
1965 (let ((inhibit-read-only t))
1966 (while (search-forward "\b" nil t)
1967 (let ((next (char-after))
1968 (previous (char-after (- (point) 2))))
1969 ;; We do the boldification/underlining by hiding the
1970 ;; overstrikes and putting the proper text property
1974 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1975 (put-text-property (point) (1+ (point)) 'face 'bold))
1977 (gnus-article-hide-text-type
1978 (1- (point)) (1+ (point)) 'overstrike)
1980 (- (point) 2) (1- (point)) 'face 'underline))
1982 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1984 (point) (1+ (point)) 'face 'underline)))))))))
1986 (defun gnus-article-treat-unfold-headers ()
1987 "Unfold folded message headers.
1988 Only the headers that fit into the current window width will be
1991 (gnus-with-article-headers
1995 (mail-header-narrow-to-field)
1996 (let ((header (buffer-string)))
1999 (goto-char (point-min))
2000 (while (re-search-forward "\n[\t ]" nil t)
2001 (replace-match " " t t)))
2002 (setq length (- (point-max) (point-min) 1)))
2003 (when (< length (window-width))
2004 (while (re-search-forward "\n[\t ]" nil t)
2005 (replace-match " " t t)))
2006 (goto-char (point-max)))))))
2008 (defun gnus-article-treat-fold-headers ()
2009 "Fold message headers."
2011 (gnus-with-article-headers
2014 (mail-header-narrow-to-field)
2015 (mail-header-fold-field)
2016 (goto-char (point-max))))))
2018 (defun gnus-treat-smiley ()
2019 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2021 (gnus-with-article-buffer
2022 (if (memq 'smiley gnus-article-wash-types)
2023 (gnus-delete-images 'smiley)
2025 (let ((images (smiley-region (point) (point-max))))
2027 (gnus-add-wash-type 'smiley)
2028 (dolist (image images)
2029 (gnus-add-image 'smiley image)))))))
2031 (defun gnus-article-remove-images ()
2032 "Remove all images from the article buffer."
2034 (gnus-with-article-buffer
2035 (dolist (elem gnus-article-image-alist)
2036 (gnus-delete-images (car elem)))))
2038 (defun gnus-article-treat-fold-newsgroups ()
2039 "Unfold folded message headers.
2040 Only the headers that fit into the current window width will be
2043 (gnus-with-article-headers
2044 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2046 (mail-header-narrow-to-field)
2047 (while (re-search-forward ", *" nil t)
2048 (replace-match ", " t t))
2049 (mail-header-fold-field)
2050 (goto-char (point-max))))))
2052 (defun gnus-article-treat-body-boundary ()
2053 "Place a boundary line at the end of the headers."
2055 (when (and gnus-body-boundary-delimiter
2056 (> (length gnus-body-boundary-delimiter) 0))
2057 (gnus-with-article-headers
2058 (goto-char (point-max))
2059 (let ((start (point)))
2060 (insert "X-Boundary: ")
2061 (gnus-add-text-properties start (point) '(invisible t intangible t))
2063 (while (>= (1- (window-width)) (length str))
2064 (setq str (concat str gnus-body-boundary-delimiter)))
2065 (substring str 0 (1- (window-width))))
2067 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2069 (defun article-fill-long-lines ()
2070 "Fill lines that are wider than the window width."
2073 (let ((inhibit-read-only t)
2074 (width (window-width (get-buffer-window (current-buffer)))))
2077 (let ((adaptive-fill-mode nil)) ;Why? -sm
2080 (when (>= (current-column) (min fill-column width))
2081 (narrow-to-region (min (1+ (point)) (point-max))
2082 (gnus-point-at-bol))
2083 (let ((goback (point-marker)))
2084 (fill-paragraph nil)
2085 (goto-char (marker-position goback)))
2087 (forward-line 1)))))))
2089 (defun article-capitalize-sentences ()
2090 "Capitalize the first word in each sentence."
2093 (let ((inhibit-read-only t)
2094 (paragraph-start "^[\n\^L]"))
2098 (forward-sentence)))))
2100 (defun article-remove-cr ()
2101 "Remove trailing CRs and then translate remaining CRs into LFs."
2104 (let ((inhibit-read-only t))
2105 (goto-char (point-min))
2106 (while (re-search-forward "\r+$" nil t)
2107 (replace-match "" t t))
2108 (goto-char (point-min))
2109 (while (search-forward "\r" nil t)
2110 (replace-match "\n" t t)))))
2112 (defun article-remove-trailing-blank-lines ()
2113 "Remove all trailing blank lines from the article."
2116 (let ((inhibit-read-only t))
2117 (goto-char (point-max))
2121 (while (and (not (bobp))
2122 (looking-at "^[ \t]*$")
2123 (not (gnus-annotation-in-region-p
2124 (point) (gnus-point-at-eol))))
2129 (defun article-display-face ()
2130 "Display any Face headers in the header."
2132 (let ((wash-face-p buffer-read-only))
2133 (gnus-with-article-headers
2134 ;; When displaying parts, this function can be called several times on
2135 ;; the same article, without any intended toggle semantic (as typing `W
2136 ;; D d' would have). So face deletion must occur only when we come from
2137 ;; an interactive command, that is when the *Article* buffer is
2139 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2140 (gnus-delete-images 'face)
2141 (let (face faces from)
2142 (save-current-buffer
2143 (when (and wash-face-p
2144 (gnus-buffer-live-p gnus-original-article-buffer)
2145 (not (re-search-forward "^Face:[\t ]*" nil t)))
2146 (set-buffer gnus-original-article-buffer))
2148 (mail-narrow-to-head)
2149 (while (gnus-article-goto-header "Face")
2150 (push (mail-header-field-value) faces))))
2152 (goto-char (point-min))
2153 (let ((from (gnus-article-goto-header "from"))
2158 (insert "[no `from' set]\n"))
2160 (when (setq png (gnus-convert-face-to-png (pop faces)))
2161 (setq image (gnus-create-image png 'png t))
2163 (gnus-add-wash-type 'face)
2164 (gnus-add-image 'face image)
2165 (gnus-put-image image nil 'face))))))))))
2167 (defun article-display-x-face (&optional force)
2168 "Look for an X-Face header and display it if present."
2169 (interactive (list 'force))
2170 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2171 (gnus-with-article-headers
2172 ;; Delete the old process, if any.
2173 (when (process-status "article-x-face")
2174 (delete-process "article-x-face"))
2175 ;; See the comment in `article-display-face'.
2176 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2177 ;; We have already displayed X-Faces, so we remove them
2179 (gnus-delete-images 'xface)
2181 (let (x-faces from face)
2182 (save-current-buffer
2183 (when (and wash-face-p
2184 (gnus-buffer-live-p gnus-original-article-buffer)
2185 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2186 ;; If type `W f', use gnus-original-article-buffer,
2187 ;; otherwise use the current buffer because displaying
2188 ;; RFC822 parts calls this function too.
2189 (set-buffer gnus-original-article-buffer))
2191 (mail-narrow-to-head)
2192 (while (gnus-article-goto-header "X-Face")
2193 (push (mail-header-field-value) x-faces))
2194 (setq from (message-fetch-field "from"))))
2195 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2196 ;; single external face.
2197 (when (stringp gnus-article-x-face-command)
2198 (setq x-faces (list (car x-faces))))
2200 gnus-article-x-face-command
2202 ;; Check whether this face is censored.
2203 (not gnus-article-x-face-too-ugly)
2205 (not (string-match gnus-article-x-face-too-ugly
2207 (while (setq face (pop x-faces))
2208 ;; We display the face.
2209 (cond ((stringp gnus-article-x-face-command)
2210 ;; The command is a string, so we interpret the command
2211 ;; as a, well, command, and fork it off.
2212 (let ((process-connection-type nil))
2213 (gnus-set-process-query-on-exit-flag
2215 "article-x-face" nil shell-file-name
2216 shell-command-switch gnus-article-x-face-command)
2220 (process-send-region "article-x-face"
2221 (point-min) (point-max)))
2222 (process-send-eof "article-x-face")))
2223 ((functionp gnus-article-x-face-command)
2224 ;; The command is a lisp function, so we call it.
2225 (funcall gnus-article-x-face-command face))
2227 (error "%s is not a function"
2228 gnus-article-x-face-command))))))))))
2230 (defun article-decode-mime-words ()
2231 "Decode all MIME-encoded words in the article."
2234 (set-buffer gnus-article-buffer)
2235 (let ((inhibit-point-motion-hooks t)
2236 (inhibit-read-only t)
2237 (mail-parse-charset gnus-newsgroup-charset)
2238 (mail-parse-ignored-charsets
2239 (save-excursion (set-buffer gnus-summary-buffer)
2240 gnus-newsgroup-ignored-charsets)))
2241 (mail-decode-encoded-word-region (point-min) (point-max)))))
2243 (defun article-decode-charset (&optional prompt)
2244 "Decode charset-encoded text in the article.
2245 If PROMPT (the prefix), prompt for a coding system to use."
2247 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2248 (inhibit-read-only t)
2249 (mail-parse-charset gnus-newsgroup-charset)
2250 (mail-parse-ignored-charsets
2251 (save-excursion (condition-case nil
2252 (set-buffer gnus-summary-buffer)
2254 gnus-newsgroup-ignored-charsets))
2255 ct cte ctl charset format)
2258 (article-narrow-to-head)
2259 (setq ct (message-fetch-field "Content-Type" t)
2260 cte (message-fetch-field "Content-Transfer-Encoding" t)
2261 ctl (and ct (ignore-errors
2262 (mail-header-parse-content-type ct)))
2265 (mm-read-coding-system "Charset to decode: "))
2267 (mail-content-type-get ctl 'charset)))
2268 format (and ctl (mail-content-type-get ctl 'format)))
2270 (setq cte (mail-header-strip cte)))
2271 (if (and ctl (not (string-match "/" (car ctl))))
2273 (goto-char (point-max)))
2276 (narrow-to-region (point) (point-max))
2277 (when (and (eq mail-parse-charset 'gnus-decoded)
2278 (eq (mm-body-7-or-8) '8bit))
2279 ;; The text code could have been decoded.
2280 (setq charset mail-parse-charset))
2281 (when (and (or (not ctl)
2282 (equal (car ctl) "text/plain"))
2283 (not format)) ;; article with format will decode later.
2285 charset (and cte (intern (downcase
2286 (gnus-strip-whitespace cte))))
2289 (defun article-decode-encoded-words ()
2290 "Remove encoded-word encoding from headers."
2291 (let ((inhibit-point-motion-hooks t)
2292 (mail-parse-charset gnus-newsgroup-charset)
2293 (mail-parse-ignored-charsets
2294 (save-excursion (condition-case nil
2295 (set-buffer gnus-summary-buffer)
2297 gnus-newsgroup-ignored-charsets))
2298 (inhibit-read-only t))
2300 (article-narrow-to-head)
2301 (funcall gnus-decode-header-function (point-min) (point-max)))))
2303 (defun article-decode-group-name ()
2304 "Decode group names in `Newsgroups:'."
2305 (let ((inhibit-point-motion-hooks t)
2306 (inhibit-read-only t)
2307 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2308 (when (and (or gnus-group-name-charset-method-alist
2309 gnus-group-name-charset-group-alist)
2310 (gnus-buffer-live-p gnus-original-article-buffer))
2312 (article-narrow-to-head)
2313 (with-current-buffer gnus-original-article-buffer
2314 (goto-char (point-min)))
2315 (while (re-search-forward
2316 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2317 (replace-match (save-match-data
2318 (gnus-decode-newsgroups
2319 ;; XXX how to use data in article buffer?
2320 (with-current-buffer gnus-original-article-buffer
2322 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2325 gnus-newsgroup-name method))
2327 (goto-char (point-min))
2328 (with-current-buffer gnus-original-article-buffer
2329 (goto-char (point-min)))
2330 (while (re-search-forward
2331 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2332 (replace-match (save-match-data
2333 (gnus-decode-newsgroups
2334 ;; XXX how to use data in article buffer?
2335 (with-current-buffer gnus-original-article-buffer
2337 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2340 gnus-newsgroup-name method))
2343 (autoload 'idna-to-unicode "idna")
2345 (defun article-decode-idna-rhs ()
2346 "Decode IDNA strings in RHS in various headers in current buffer.
2347 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2348 Mail-Reply-To: and Mail-Followup-To:."
2351 (let ((inhibit-point-motion-hooks t)
2352 (inhibit-read-only t))
2353 (article-narrow-to-head)
2354 (goto-char (point-min))
2355 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2357 (when (save-match-data
2358 (and (setq ace (match-string 1))
2360 (and (re-search-backward "^[^ \t]" nil t)
2361 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2362 (setq unicode (idna-to-unicode ace))))
2363 (unless (string= ace unicode)
2364 (replace-match unicode nil nil nil 1)))))))))
2366 (defun article-de-quoted-unreadable (&optional force read-charset)
2367 "Translate a quoted-printable-encoded article.
2368 If FORCE, decode the article whether it is marked as quoted-printable
2370 If READ-CHARSET, ask for a coding system."
2371 (interactive (list 'force current-prefix-arg))
2373 (let ((inhibit-read-only t) type charset)
2374 (if (gnus-buffer-live-p gnus-original-article-buffer)
2375 (with-current-buffer gnus-original-article-buffer
2377 (gnus-fetch-field "content-transfer-encoding"))
2378 (let* ((ct (gnus-fetch-field "content-type"))
2381 (mail-header-parse-content-type ct)))))
2382 (setq charset (and ctl
2383 (mail-content-type-get ctl 'charset)))
2384 (if (stringp charset)
2385 (setq charset (intern (downcase charset)))))))
2387 (setq charset (mm-read-coding-system "Charset: " charset)))
2389 (setq charset gnus-newsgroup-charset))
2391 (and type (let ((case-fold-search t))
2392 (string-match "quoted-printable" type))))
2394 (quoted-printable-decode-region
2395 (point) (point-max) (mm-charset-to-coding-system charset))))))
2397 (defun article-de-base64-unreadable (&optional force read-charset)
2398 "Translate a base64 article.
2399 If FORCE, decode the article whether it is marked as base64 not.
2400 If READ-CHARSET, ask for a coding system."
2401 (interactive (list 'force current-prefix-arg))
2403 (let ((inhibit-read-only t) type charset)
2404 (if (gnus-buffer-live-p gnus-original-article-buffer)
2405 (with-current-buffer gnus-original-article-buffer
2407 (gnus-fetch-field "content-transfer-encoding"))
2408 (let* ((ct (gnus-fetch-field "content-type"))
2411 (mail-header-parse-content-type ct)))))
2412 (setq charset (and ctl
2413 (mail-content-type-get ctl 'charset)))
2414 (if (stringp charset)
2415 (setq charset (intern (downcase charset)))))))
2417 (setq charset (mm-read-coding-system "Charset: " charset)))
2419 (setq charset gnus-newsgroup-charset))
2421 (and type (let ((case-fold-search t))
2422 (string-match "base64" type))))
2425 (narrow-to-region (point) (point-max))
2426 (base64-decode-region (point-min) (point-max))
2427 (mm-decode-coding-region
2428 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2433 (defun article-decode-HZ ()
2434 "Translate a HZ-encoded article."
2438 (let ((inhibit-read-only t))
2439 (rfc1843-decode-region (point-min) (point-max)))))
2441 (defun article-unsplit-urls ()
2442 "Remove the newlines that some other mailers insert into URLs."
2445 (let ((inhibit-read-only t))
2446 (goto-char (point-min))
2447 (while (re-search-forward
2448 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2449 (replace-match "\\1\\3" t)))
2450 (when (interactive-p)
2451 (gnus-treat-article nil))))
2454 (defun article-wash-html (&optional read-charset)
2455 "Format an HTML article.
2456 If READ-CHARSET, ask for a coding system."
2459 (let ((inhibit-read-only t)
2461 (when (gnus-buffer-live-p gnus-original-article-buffer)
2462 (with-current-buffer gnus-original-article-buffer
2463 (let* ((ct (gnus-fetch-field "content-type"))
2466 (mail-header-parse-content-type ct)))))
2467 (setq charset (and ctl
2468 (mail-content-type-get ctl 'charset)))
2469 (when (stringp charset)
2470 (setq charset (intern (downcase charset)))))))
2472 (setq charset (mm-read-coding-system "Charset: " charset)))
2474 (setq charset gnus-newsgroup-charset))
2476 (save-window-excursion
2478 (narrow-to-region (point) (point-max))
2479 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2480 (entry (assq func mm-text-html-washer-alist)))
2482 (setq func (cdr entry)))
2487 (apply (car func) (cdr func))))))))))
2489 (defun gnus-article-wash-html-with-w3 ()
2490 "Wash the current buffer with w3."
2492 (let ((w3-strict-width (window-width))
2493 (url-standalone-mode t)
2494 (url-gateway-unplugged t)
2495 (w3-honor-stylesheets nil))
2497 (w3-region (point-min) (point-max))
2500 (defun gnus-article-wash-html-with-w3m ()
2501 "Wash the current buffer with emacs-w3m."
2504 (narrow-to-region (point) (point-max))
2505 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2506 w3m-force-redisplay)
2507 (w3m-region (point-min) (point-max)))
2508 (when (and mm-inline-text-html-with-w3m-keymap
2509 (boundp 'w3m-minor-mode-map)
2511 (add-text-properties
2512 (point-min) (point-max)
2513 (list 'keymap w3m-minor-mode-map
2514 ;; Put the mark meaning this part was rendered by emacs-w3m.
2515 'mm-inline-text-html-with-w3m t)))))
2517 (defun article-hide-list-identifiers ()
2518 "Remove list identifies from the Subject header.
2519 The `gnus-list-identifiers' variable specifies what to do."
2521 (let ((inhibit-point-motion-hooks t)
2522 (regexp (if (consp gnus-list-identifiers)
2523 (mapconcat 'identity gnus-list-identifiers " *\\|")
2524 gnus-list-identifiers))
2525 (inhibit-read-only t))
2529 (article-narrow-to-head)
2530 (goto-char (point-min))
2531 (while (re-search-forward
2532 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2534 (delete-region (match-beginning 2) (match-end 0))
2535 (beginning-of-line))
2536 (when (re-search-forward
2537 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2538 (delete-region (match-beginning 1) (match-end 1))))))))
2540 (defun article-hide-pem (&optional arg)
2541 "Toggle hiding of any PEM headers and signatures in the current article.
2542 If given a negative prefix, always show; if given a positive prefix,
2544 (interactive (gnus-article-hidden-arg))
2545 (unless (gnus-article-check-hidden-text 'pem arg)
2547 (let ((inhibit-read-only t) end)
2548 (goto-char (point-min))
2549 ;; Hide the horrendously ugly "header".
2550 (when (and (search-forward
2551 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2553 (setq end (1+ (match-beginning 0))))
2554 (gnus-add-wash-type 'pem)
2555 (gnus-article-hide-text-type
2557 (if (search-forward "\n\n" nil t)
2561 ;; Hide the trailer as well
2562 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2564 (gnus-article-hide-text-type
2565 (match-beginning 0) (match-end 0) 'pem)))))))
2567 (defun article-strip-banner ()
2568 "Strip the banners specified by the `banner' group parameter and by
2569 `gnus-article-address-banner-alist'."
2573 (let ((inhibit-point-motion-hooks t))
2574 (when (gnus-parameter-banner gnus-newsgroup-name)
2575 (article-really-strip-banner
2576 (gnus-parameter-banner gnus-newsgroup-name)))
2577 (when gnus-article-address-banner-alist
2578 (article-really-strip-banner
2579 (let ((from (save-restriction
2581 (article-narrow-to-head)
2582 (mail-fetch-field "from"))))
2585 (caar (mail-header-parse-addresses from))))
2587 (dolist (pair gnus-article-address-banner-alist)
2588 (when (string-match (car pair) from)
2589 (throw 'found (cdr pair)))))))))))))
2591 (defun article-really-strip-banner (banner)
2592 "Strip the banner specified by the argument."
2595 (let ((inhibit-point-motion-hooks t)
2596 (gnus-signature-limit nil)
2597 (inhibit-read-only t))
2600 ((eq banner 'signature)
2601 (when (gnus-article-narrow-to-signature)
2604 (delete-region (point) (point-max))))
2606 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2607 (while (re-search-forward banner nil t)
2608 (delete-region (match-beginning 0) (match-end 0)))))
2610 (while (re-search-forward banner nil t)
2611 (delete-region (match-beginning 0) (match-end 0)))))))))
2613 (defun article-babel ()
2614 "Translate article using an online translation service."
2618 (set-buffer gnus-article-buffer)
2619 (when (article-goto-body)
2620 (let* ((inhibit-read-only t)
2623 (orig (buffer-substring start end))
2624 (trans (babel-as-string orig)))
2626 (narrow-to-region start end)
2627 (delete-region start end)
2630 (defun article-hide-signature (&optional arg)
2631 "Hide the signature in the current article.
2632 If given a negative prefix, always show; if given a positive prefix,
2634 (interactive (gnus-article-hidden-arg))
2635 (unless (gnus-article-check-hidden-text 'signature arg)
2638 (let ((inhibit-read-only t))
2639 (when (gnus-article-narrow-to-signature)
2640 (gnus-article-hide-text-type
2641 (point-min) (point-max) 'signature))))))
2642 (gnus-set-mode-line 'article))
2644 (defun article-strip-headers-in-body ()
2645 "Strip offensive headers from bodies."
2649 (let ((case-fold-search t))
2650 (when (looking-at "x-no-archive:")
2651 (gnus-delete-line)))))
2653 (defun article-strip-leading-blank-lines ()
2654 "Remove all blank lines from the beginning of the article."
2657 (let ((inhibit-point-motion-hooks t)
2658 (inhibit-read-only t))
2659 (when (article-goto-body)
2660 (while (and (not (eobp))
2661 (looking-at "[ \t]*$"))
2662 (gnus-delete-line))))))
2664 (defun article-narrow-to-head ()
2665 "Narrow the buffer to the head of the message.
2666 Point is left at the beginning of the narrowed-to region."
2668 (goto-char (point-min))
2669 (if (search-forward "\n\n" nil 1)
2672 (goto-char (point-min)))
2674 (defun article-goto-body ()
2675 "Place point at the start of the body."
2676 (goto-char (point-min))
2678 ;; This variable is only bound when dealing with separate
2680 (article-goto-body-goes-to-point-min-p
2682 ((search-forward "\n\n" nil t)
2685 (goto-char (point-max))
2688 (defun article-strip-multiple-blank-lines ()
2689 "Replace consecutive blank lines with one empty line."
2692 (let ((inhibit-point-motion-hooks t)
2693 (inhibit-read-only t))
2694 ;; First make all blank lines empty.
2696 (while (re-search-forward "^[ \t]+$" nil t)
2697 (unless (gnus-annotation-in-region-p
2698 (match-beginning 0) (match-end 0))
2699 (replace-match "" nil t)))
2700 ;; Then replace multiple empty lines with a single empty line.
2702 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2703 (unless (gnus-annotation-in-region-p
2704 (match-beginning 0) (match-end 0))
2705 (delete-region (match-beginning 1) (match-end 1)))))))
2707 (defun article-strip-leading-space ()
2708 "Remove all white space from the beginning of the lines in the article."
2711 (let ((inhibit-point-motion-hooks t)
2712 (inhibit-read-only t))
2714 (while (re-search-forward "^[ \t]+" nil t)
2715 (replace-match "" t t)))))
2717 (defun article-strip-trailing-space ()
2718 "Remove all white space from the end of the lines in the article."
2721 (let ((inhibit-point-motion-hooks t)
2722 (inhibit-read-only t))
2724 (while (re-search-forward "[ \t]+$" nil t)
2725 (replace-match "" t t)))))
2727 (defun article-strip-blank-lines ()
2728 "Strip leading, trailing and multiple blank lines."
2730 (article-strip-leading-blank-lines)
2731 (article-remove-trailing-blank-lines)
2732 (article-strip-multiple-blank-lines))
2734 (defun article-strip-all-blank-lines ()
2735 "Strip all blank lines."
2738 (let ((inhibit-point-motion-hooks t)
2739 (inhibit-read-only t))
2741 (while (re-search-forward "^[ \t]*\n" nil t)
2742 (replace-match "" t t)))))
2744 (defun gnus-article-narrow-to-signature ()
2745 "Narrow to the signature; return t if a signature is found, else nil."
2746 (let ((inhibit-point-motion-hooks t))
2747 (when (gnus-article-search-signature)
2749 ;; Check whether we have some limits to what we consider
2750 ;; to be a signature.
2751 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2752 (list gnus-signature-limit)))
2754 (while (setq limit (pop limits))
2755 (if (or (and (integerp limit)
2756 (< (- (point-max) (point)) limit))
2758 (< (count-lines (point) (point-max)) limit))
2759 (and (functionp limit)
2761 (and (stringp limit)
2762 (not (re-search-forward limit nil t))))
2763 () ; This limit did not succeed.
2767 (narrow-to-region (point) (point-max))
2770 (defun gnus-article-search-signature ()
2771 "Search the current buffer for the signature separator.
2772 Put point at the beginning of the signature separator."
2773 (let ((cur (point)))
2774 (goto-char (point-max))
2775 (if (if (stringp gnus-signature-separator)
2776 (re-search-backward gnus-signature-separator nil t)
2777 (let ((seps gnus-signature-separator))
2779 (not (re-search-backward (car seps) nil t)))
2786 (defun gnus-article-hidden-arg ()
2787 "Return the current prefix arg as a number, or 0 if no prefix."
2788 (list (if current-prefix-arg
2789 (prefix-numeric-value current-prefix-arg)
2792 (defun gnus-article-check-hidden-text (type arg)
2793 "Return nil if hiding is necessary.
2794 Arg can be nil or a number. nil and positive means hide, negative
2795 means show, 0 means toggle."
2798 (let ((hide (gnus-article-hidden-text-p type)))
2804 (gnus-article-show-hidden-text type)
2807 (if (eq hide 'hidden)
2809 (gnus-article-show-hidden-text type)
2813 (defun gnus-article-hidden-text-p (type)
2814 "Say whether the current buffer contains hidden text of type TYPE."
2815 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2817 (not (get-text-property pos 'invisible))
2818 (not (get-text-property pos 'dummy-invisible)))
2820 (text-property-any (1+ pos) (point-max) 'article-type type)))
2825 (defun gnus-article-show-hidden-text (type &optional dummy)
2826 "Show all hidden text of type TYPE.
2827 Originally it is hide instead of DUMMY."
2828 (let ((inhibit-read-only t)
2829 (inhibit-point-motion-hooks t))
2830 (gnus-remove-text-properties-when
2832 (point-min) (point-max)
2833 (cons 'article-type (cons type
2834 gnus-hidden-properties)))
2835 (gnus-delete-wash-type type)))
2837 (defconst article-time-units
2838 `((year . ,(* 365.25 24 60 60))
2839 (week . ,(* 7 24 60 60))
2840 (day . ,(* 24 60 60))
2844 "Mapping from time units to seconds.")
2846 (defun gnus-article-forward-header ()
2847 "Move point to the start of the next header.
2848 If the current header is a continuation header, this can be several
2853 (if (looking-at "[ \t]+[^ \t]")
2857 (defun article-date-ut (&optional type highlight)
2858 "Convert DATE date to universal time in the current article.
2859 If TYPE is `local', convert to local time; if it is `lapsed', output
2860 how much time has lapsed since DATE. For `lapsed', the value of
2861 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2862 should replace the \"Date:\" one, or should be added below it."
2863 (interactive (list 'ut t))
2864 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2865 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
2869 (article-lapsed-timer
2873 (case-fold-search t)
2874 (inhibit-read-only t)
2875 (inhibit-point-motion-hooks t)
2876 pos date bface eface)
2880 (goto-char (point-min))
2881 (while (or (setq date (get-text-property (setq pos (point))
2883 (when (setq pos (next-single-property-change
2884 (point) 'original-date))
2885 (setq date (get-text-property pos 'original-date))
2887 (narrow-to-region pos (or (text-property-any pos (point-max)
2890 (goto-char (point-min))
2891 (when (re-search-forward tdate-regexp nil t)
2892 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2893 eface (get-text-property (1- (gnus-point-at-eol)) 'face)))
2894 (goto-char (point-min))
2896 ;; Delete any old Date headers.
2897 (while (re-search-forward date-regexp nil t)
2899 (delete-region (gnus-point-at-bol)
2901 (gnus-article-forward-header)
2903 (delete-region (gnus-point-at-bol)
2905 (gnus-article-forward-header)
2908 (setq pos (point))))
2909 (when (and (not pos)
2910 (re-search-forward tdate-regexp nil t))
2912 (gnus-goto-char pos)
2913 (insert (article-make-date-line date (or type 'ut)))
2919 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2920 (put-text-property (match-beginning 1) (1+ (match-end 1))
2922 (put-text-property (match-beginning 2) (match-end 2)
2924 (put-text-property (point-min) (1- (point-max)) 'original-date date)
2925 (goto-char (point-max))
2928 (defun article-make-date-line (date type)
2929 "Return a DATE line of TYPE."
2930 (unless (memq type '(local ut original user iso8601 lapsed english))
2931 (error "Unknown conversion type: %s" type))
2933 (let ((time (date-to-time date)))
2935 ;; Convert to the local timezone.
2937 (let ((tz (car (current-time-zone time))))
2938 (format "Date: %s %s%02d%02d" (current-time-string time)
2939 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2940 (/ (% (abs tz) 3600) 60))))
2941 ;; Convert to Universal Time.
2944 (current-time-string
2945 (let* ((e (parse-time-string date))
2946 (tm (apply 'encode-time e))
2948 (ls (- (cadr tm) (car (current-time-zone time)))))
2949 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2950 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2953 ;; Get the original date from the article.
2954 ((eq type 'original)
2955 (concat "Date: " (if (string-match "\n+$" date)
2956 (substring date 0 (match-beginning 0))
2958 ;; Let the user define the format.
2960 (let ((format (or (condition-case nil
2961 (with-current-buffer gnus-summary-buffer
2962 gnus-article-time-format)
2964 gnus-article-time-format)))
2965 (if (functionp format)
2966 (funcall format time)
2967 (concat "Date: " (format-time-string format time)))))
2970 (let ((tz (car (current-time-zone time))))
2973 (format-time-string "%Y%m%dT%H%M%S" time)
2974 (format "%s%02d%02d"
2975 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2976 (/ (% (abs tz) 3600) 60)))))
2977 ;; Do an X-Sent lapsed format.
2979 ;; If the date is seriously mangled, the timezone functions are
2980 ;; liable to bug out, so we ignore all errors.
2981 (let* ((now (current-time))
2982 (real-time (subtract-time now time))
2983 (real-sec (and real-time
2984 (+ (* (float (car real-time)) 65536)
2986 (sec (and real-time (abs real-sec)))
2996 ;; This is a bit convoluted, but basically we go
2997 ;; through the time units for years, weeks, etc,
2998 ;; and divide things to see whether that results
2999 ;; in positive answers.
3002 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3003 ;; The (remaining) seconds are too few to
3004 ;; be divided into this time unit.
3006 ;; It's big enough, so we output it.
3007 (setq sec (- sec (* num (cdr unit))))
3009 (concat (if prev ", " "") (int-to-string
3011 " " (symbol-name (car unit))
3012 (if (> num 1) "s" ""))
3014 article-time-units "")
3015 ;; If dates are odd, then it might appear like the
3016 ;; article was sent in the future.
3019 " in the future"))))))
3020 ;; Display the date in proper English
3022 (let ((dtime (decode-time time)))
3025 (number-to-string (nth 3 dtime))
3026 (let ((digit (% (nth 3 dtime) 10)))
3028 ((memq (nth 3 dtime) '(11 12 13)) "th")
3034 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3036 (number-to-string (nth 5 dtime))
3038 (format "%02d" (nth 2 dtime))
3040 (format "%02d" (nth 1 dtime)))))))
3042 (format "Date: %s (from Gnus)" date))))
3044 (defun article-date-local (&optional highlight)
3045 "Convert the current article date to the local timezone."
3046 (interactive (list t))
3047 (article-date-ut 'local highlight))
3049 (defun article-date-english (&optional highlight)
3050 "Convert the current article date to something that is proper English."
3051 (interactive (list t))
3052 (article-date-ut 'english highlight))
3054 (defun article-date-original (&optional highlight)
3055 "Convert the current article date to what it was originally.
3056 This is only useful if you have used some other date conversion
3057 function and want to see what the date was before converting."
3058 (interactive (list t))
3059 (article-date-ut 'original highlight))
3061 (defun article-date-lapsed (&optional highlight)
3062 "Convert the current article date to time lapsed since it was sent."
3063 (interactive (list t))
3064 (article-date-ut 'lapsed highlight))
3066 (defun article-update-date-lapsed ()
3067 "Function to be run from a timer to update the lapsed time line."
3069 (let (deactivate-mark)
3074 (set-buffer (window-buffer w))
3075 (when (eq major-mode 'gnus-article-mode)
3076 (let ((mark (point-marker)))
3077 (goto-char (point-min))
3078 (when (re-search-forward "^X-Sent:" nil t)
3079 (article-date-lapsed t))
3080 (goto-char (marker-position mark))
3081 (move-marker mark nil))))
3084 (defun gnus-start-date-timer (&optional n)
3085 "Start a timer to update the X-Sent header in the article buffers.
3086 The numerical prefix says how frequently (in seconds) the function
3091 (gnus-stop-date-timer)
3092 (setq article-lapsed-timer
3093 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
3095 (defun gnus-stop-date-timer ()
3096 "Stop the X-Sent timer."
3098 (when article-lapsed-timer
3099 (nnheader-cancel-timer article-lapsed-timer)
3100 (setq article-lapsed-timer nil)))
3102 (defun article-date-user (&optional highlight)
3103 "Convert the current article date to the user-defined format.
3104 This format is defined by the `gnus-article-time-format' variable."
3105 (interactive (list t))
3106 (article-date-ut 'user highlight))
3108 (defun article-date-iso8601 (&optional highlight)
3109 "Convert the current article date to ISO8601."
3110 (interactive (list t))
3111 (article-date-ut 'iso8601 highlight))
3113 (defmacro gnus-article-save-original-date (&rest forms)
3114 "Save the original date as a text property and evaluate FORMS."
3115 `(let* ((case-fold-search t)
3117 (goto-char (point-min))
3118 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3121 (date (when (and start
3122 (re-search-forward "[\t ]*\n\\([^\t ]\\|\\'\\)"
3124 (buffer-substring-no-properties start
3125 (match-beginning 0)))))
3126 (goto-char (point-max))
3127 (skip-chars-backward "\n")
3128 (put-text-property (point-min) (point) 'original-date date)
3130 (goto-char (point-max))
3131 (skip-chars-backward "\n")
3132 (put-text-property (point-min) (point) 'original-date date)))
3134 ;; (defun article-show-all ()
3135 ;; "Show all hidden text in the article buffer."
3138 ;; (let ((inhibit-read-only t))
3139 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3141 (defun article-remove-leading-whitespace ()
3142 "Remove excessive whitespace from all headers."
3146 (let ((inhibit-read-only t))
3147 (article-narrow-to-head)
3148 (goto-char (point-min))
3149 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3150 (delete-region (match-beginning 1) (match-end 1)))))))
3152 (defun article-emphasize (&optional arg)
3153 "Emphasize text according to `gnus-emphasis-alist'."
3154 (interactive (gnus-article-hidden-arg))
3155 (unless (gnus-article-check-hidden-text 'emphasis arg)
3159 (with-current-buffer gnus-summary-buffer
3160 gnus-article-emphasis-alist)
3162 gnus-emphasis-alist))
3163 (inhibit-read-only t)
3164 (props (append '(article-type emphasis)
3165 gnus-hidden-properties))
3166 regexp elem beg invisible visible face)
3169 (while (setq elem (pop alist))
3171 (setq regexp (car elem)
3172 invisible (nth 1 elem)
3173 visible (nth 2 elem)
3175 (while (re-search-forward regexp nil t)
3176 (when (and (match-beginning visible) (match-beginning invisible))
3177 (gnus-article-hide-text
3178 (match-beginning invisible) (match-end invisible) props)
3179 (gnus-article-unhide-text-type
3180 (match-beginning visible) (match-end visible) 'emphasis)
3181 (gnus-put-overlay-excluding-newlines
3182 (match-beginning visible) (match-end visible) 'face face)
3183 (gnus-add-wash-type 'emphasis)
3184 (goto-char (match-end invisible)))))))))
3186 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3187 "Setup newsgroup emphasis alist."
3188 (unless gnus-article-emphasis-alist
3189 (let ((name (and gnus-newsgroup-name
3190 (gnus-group-real-name gnus-newsgroup-name))))
3191 (make-local-variable 'gnus-article-emphasis-alist)
3192 (setq gnus-article-emphasis-alist
3194 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3195 (while (setq elem (pop alist))
3196 (when (and name (string-match (car elem) name))
3198 highlight (copy-sequence (cdr elem)))))
3200 (copy-sequence highlight-words)
3201 (if gnus-newsgroup-name
3202 (copy-sequence (gnus-group-find-parameter
3203 gnus-newsgroup-name 'highlight-words t)))
3204 gnus-emphasis-alist)))))
3207 (defvar gnus-summary-article-menu)
3208 (defvar gnus-summary-post-menu))
3210 ;;; Saving functions.
3212 (defun gnus-article-save (save-buffer file &optional num)
3213 "Save the currently selected article."
3214 (unless gnus-save-all-headers
3215 ;; Remove headers according to `gnus-saved-headers'.
3216 (let ((gnus-visible-headers
3217 (or gnus-saved-headers gnus-visible-headers))
3218 (gnus-article-buffer save-buffer))
3220 (set-buffer save-buffer)
3221 (article-hide-headers 1 t))))
3222 (save-window-excursion
3223 (if (not gnus-default-article-saver)
3224 (error "No default saver is defined")
3225 ;; !!! Magic! The saving functions all save
3226 ;; `gnus-save-article-buffer' (or so they think), but we
3227 ;; bind that variable to our save-buffer.
3228 (set-buffer gnus-article-buffer)
3229 (let* ((gnus-save-article-buffer save-buffer)
3232 ((not gnus-prompt-before-saving) 'default)
3233 ((eq gnus-prompt-before-saving 'always) nil)
3235 (gnus-number-of-articles-to-be-saved
3236 (when (eq gnus-prompt-before-saving t)
3238 (set-buffer gnus-article-current-summary)
3239 (funcall gnus-default-article-saver filename)))))
3241 (defun gnus-read-save-file-name (prompt &optional filename
3242 function group headers variable)
3244 (funcall function group headers (symbol-value variable)))
3249 ((eq filename 'default)
3255 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3258 (if (and gnus-number-of-articles-to-be-saved
3259 (> gnus-number-of-articles-to-be-saved 1))
3260 (format "these %d articles"
3261 gnus-number-of-articles-to-be-saved)
3264 ;; Let the split methods have their say.
3266 ;; No split name was found.
3269 (concat prompt " (default "
3270 (file-name-nondirectory default-name) "): ")
3271 (file-name-directory default-name)
3273 ;; A single group name is returned.
3274 ((stringp split-name)
3276 (funcall function split-name headers
3277 (symbol-value variable)))
3279 (concat prompt " (default "
3280 (file-name-nondirectory default-name) "): ")
3281 (file-name-directory default-name)
3283 ;; A single split name was found
3284 ((= 1 (length split-name))
3285 (let* ((name (expand-file-name
3287 gnus-article-save-directory))
3288 (dir (cond ((file-directory-p name)
3289 (file-name-as-directory name))
3290 ((file-exists-p name) name)
3291 (t gnus-article-save-directory))))
3293 (concat prompt " (default " name "): ")
3295 ;; A list of splits was found.
3297 (setq split-name (nreverse split-name))
3299 (let ((file-name-history
3300 (nconc split-name file-name-history)))
3304 (concat prompt " (`M-p' for defaults): ")
3305 gnus-article-save-directory
3307 gnus-article-save-directory)))
3308 (car (push result file-name-history)))))))
3309 ;; Create the directory.
3310 (gnus-make-directory (file-name-directory file))
3311 ;; If we have read a directory, we append the default file name.
3312 (when (file-directory-p file)
3313 (setq file (expand-file-name (file-name-nondirectory
3315 (file-name-as-directory file))))
3316 ;; Possibly translate some characters.
3317 (nnheader-translate-file-chars file))))))
3318 (gnus-make-directory (file-name-directory result))
3319 (set variable result)))
3321 (defun gnus-article-archive-name (group)
3322 "Return the first instance of an \"Archive-name\" in the current buffer."
3323 (let ((case-fold-search t))
3324 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3325 (nnheader-concat gnus-article-save-directory
3326 (match-string 1)))))
3328 (defun gnus-article-nndoc-name (group)
3329 "If GROUP is an nndoc group, return the name of the parent group."
3330 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3331 (gnus-group-get-parameter group 'save-article-group)))
3333 (defun gnus-summary-save-in-rmail (&optional filename)
3334 "Append this article to Rmail file.
3335 Optional argument FILENAME specifies file name.
3336 Directory to save to is default to `gnus-article-save-directory'."
3337 (setq filename (gnus-read-save-file-name
3338 "Save %s in rmail file" filename
3339 gnus-rmail-save-name gnus-newsgroup-name
3340 gnus-current-headers 'gnus-newsgroup-last-rmail))
3341 (gnus-eval-in-buffer-window gnus-save-article-buffer
3345 (gnus-output-to-rmail filename))))
3348 (defun gnus-summary-save-in-mail (&optional filename)
3349 "Append this article to Unix mail file.
3350 Optional argument FILENAME specifies file name.
3351 Directory to save to is default to `gnus-article-save-directory'."
3352 (setq filename (gnus-read-save-file-name
3353 "Save %s in Unix mail file" filename
3354 gnus-mail-save-name gnus-newsgroup-name
3355 gnus-current-headers 'gnus-newsgroup-last-mail))
3356 (gnus-eval-in-buffer-window gnus-save-article-buffer
3360 (if (and (file-readable-p filename)
3361 (file-regular-p filename)
3362 (mail-file-babyl-p filename))
3363 (rmail-output-to-rmail-file filename t)
3364 (gnus-output-to-mail filename)))))
3367 (defun gnus-summary-save-in-file (&optional filename overwrite)
3368 "Append this article to file.
3369 Optional argument FILENAME specifies file name.
3370 Directory to save to is default to `gnus-article-save-directory'."
3371 (setq filename (gnus-read-save-file-name
3372 "Save %s in file" filename
3373 gnus-file-save-name gnus-newsgroup-name
3374 gnus-current-headers 'gnus-newsgroup-last-file))
3375 (gnus-eval-in-buffer-window gnus-save-article-buffer
3379 (when (and overwrite
3380 (file-exists-p filename))
3381 (delete-file filename))
3382 (gnus-output-to-file filename))))
3385 (defun gnus-summary-write-to-file (&optional filename)
3386 "Write this article to a file, overwriting it if the file exists.
3387 Optional argument FILENAME specifies file name.
3388 The directory to save in defaults to `gnus-article-save-directory'."
3389 (gnus-summary-save-in-file nil t))
3391 (defun gnus-summary-save-body-in-file (&optional filename)
3392 "Append this article body to a file.
3393 Optional argument FILENAME specifies file name.
3394 The directory to save in defaults to `gnus-article-save-directory'."
3395 (setq filename (gnus-read-save-file-name
3396 "Save %s body in file" filename
3397 gnus-file-save-name gnus-newsgroup-name
3398 gnus-current-headers 'gnus-newsgroup-last-file))
3399 (gnus-eval-in-buffer-window gnus-save-article-buffer
3403 (when (article-goto-body)
3404 (narrow-to-region (point) (point-max)))
3405 (gnus-output-to-file filename))))
3408 (defun gnus-summary-save-in-pipe (&optional command)
3409 "Pipe this article to subprocess."
3411 (cond ((and (eq command 'default)
3412 gnus-last-shell-command)
3413 gnus-last-shell-command)
3418 "Shell command on %s: "
3419 (if (and gnus-number-of-articles-to-be-saved
3420 (> gnus-number-of-articles-to-be-saved 1))
3421 (format "these %d articles"
3422 gnus-number-of-articles-to-be-saved)
3424 gnus-last-shell-command))))
3425 (when (string-equal command "")
3426 (if gnus-last-shell-command
3427 (setq command gnus-last-shell-command)
3428 (error "A command is required")))
3429 (gnus-eval-in-buffer-window gnus-article-buffer
3432 (shell-command-on-region (point-min) (point-max) command nil)))
3433 (setq gnus-last-shell-command command))
3435 (defmacro gnus-read-string (prompt &optional initial-contents history
3437 "Like `read-string' but allow for older XEmacsen that don't have the 5th arg."
3438 (if (and (featurep 'xemacs)
3439 (< emacs-minor-version 2))
3440 `(read-string ,prompt ,initial-contents ,history)
3441 `(read-string ,prompt ,initial-contents ,history ,default-value)))
3443 (defun gnus-summary-pipe-to-muttprint (&optional command)
3444 "Pipe this article to muttprint."
3445 (setq command (gnus-read-string
3446 "Print using command: " gnus-summary-muttprint-program
3447 nil gnus-summary-muttprint-program))
3448 (gnus-summary-save-in-pipe command))
3450 ;;; Article file names when saving.
3452 (defun gnus-capitalize-newsgroup (newsgroup)
3453 "Capitalize NEWSGROUP name."
3454 (when (not (zerop (length newsgroup)))
3455 (concat (char-to-string (upcase (aref newsgroup 0)))
3456 (substring newsgroup 1))))
3458 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3459 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3460 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3461 Otherwise, it is like ~/News/news/group/num."
3464 (concat (if (gnus-use-long-file-name 'not-save)
3465 (gnus-capitalize-newsgroup newsgroup)
3466 (gnus-newsgroup-directory-form newsgroup))
3467 "/" (int-to-string (mail-header-number headers)))
3468 gnus-article-save-directory)))
3470 (string-equal (file-name-directory default)
3471 (file-name-directory last-file))
3472 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3474 (or last-file default))))
3476 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3477 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3478 If variable `gnus-use-long-file-name' is non-nil, it is
3479 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3482 (concat (if (gnus-use-long-file-name 'not-save)
3484 (gnus-newsgroup-directory-form newsgroup))
3485 "/" (int-to-string (mail-header-number headers)))
3486 gnus-article-save-directory)))
3488 (string-equal (file-name-directory default)
3489 (file-name-directory last-file))
3490 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3492 (or last-file default))))
3494 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3495 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3496 If variable `gnus-use-long-file-name' is non-nil, it is
3497 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3500 (if (gnus-use-long-file-name 'not-save)
3503 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3505 gnus-article-save-directory)))
3507 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3508 "Generate file name from sender."
3509 (let ((from (mail-header-from headers)))
3511 (if (and from (string-match "\\([^ <]+\\)@" from))
3512 (match-string 1 from)
3514 gnus-article-save-directory)))
3516 (defun article-verify-x-pgp-sig ()
3519 (if (gnus-buffer-live-p gnus-original-article-buffer)
3520 (let ((sig (with-current-buffer gnus-original-article-buffer
3521 (gnus-fetch-field "X-PGP-Sig")))
3525 (mml2015-clear-verify-function))
3527 (insert-buffer-substring gnus-original-article-buffer)
3528 (setq items (split-string sig))
3529 (message-narrow-to-head)
3530 (let ((inhibit-point-motion-hooks t)
3531 (case-fold-search t))
3532 ;; Don't verify multiple headers.
3533 (setq headers (mapconcat (lambda (header)
3535 (mail-fetch-field header)
3537 (split-string (nth 1 items) ",") "")))
3538 (delete-region (point-min) (point-max))
3539 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3540 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3545 (if (looking-at "^-")
3548 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3549 (insert "Version: " (car items) "\n\n")
3550 (insert (mapconcat 'identity (cddr items) "\n"))
3551 (insert "\n-----END PGP SIGNATURE-----\n")
3552 (let ((mm-security-handle (list (format "multipart/signed"))))
3553 (mml2015-clean-buffer)
3554 (let ((coding-system-for-write (or gnus-newsgroup-charset
3556 (funcall (mml2015-clear-verify-function)))
3558 (or (mm-handle-multipart-ctl-parameter
3559 mm-security-handle 'gnus-details)
3560 (mm-handle-multipart-ctl-parameter
3561 mm-security-handle 'gnus-info)))))
3563 (let ((inhibit-read-only t) bface eface)
3565 (message-narrow-to-head)
3566 (goto-char (point-max))
3568 (setq bface (get-text-property (gnus-point-at-bol) 'face)
3569 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
3570 (message-remove-header "X-Gnus-PGP-Verify")
3571 (if (re-search-forward "^X-PGP-Sig:" nil t)
3573 (goto-char (point-max)))
3574 (narrow-to-region (point) (point))
3575 (insert "X-Gnus-PGP-Verify: " info "\n")
3576 (goto-char (point-min))
3579 (if (not (looking-at "^[ \t]"))
3583 (goto-char (point-min))
3584 (when (looking-at "\\([^:]+\\): *")
3585 (put-text-property (match-beginning 1) (1+ (match-end 1))
3587 (put-text-property (match-end 0) (point-max)
3588 'face eface)))))))))
3590 (defun article-verify-cancel-lock ()
3591 "Verify Cancel-Lock header."
3593 (if (gnus-buffer-live-p gnus-original-article-buffer)
3594 (canlock-verify gnus-original-article-buffer)))
3601 (setq afunc (car func)
3604 gfunc (intern (format "gnus-%s" func))))
3606 (when (fboundp afunc)
3607 `(lambda (&optional interactive &rest args)
3608 ,(documentation afunc t)
3609 (interactive (list t))
3611 (set-buffer gnus-article-buffer)
3613 (call-interactively ',afunc)
3614 (apply ',afunc args))))))))
3615 '(article-hide-headers
3616 article-verify-x-pgp-sig
3617 article-verify-cancel-lock
3618 article-hide-boring-headers
3619 article-treat-overstrike
3620 article-fill-long-lines
3621 article-capitalize-sentences
3623 article-remove-leading-whitespace
3624 article-display-x-face
3625 article-display-face
3626 article-de-quoted-unreadable
3627 article-de-base64-unreadable
3630 article-unsplit-urls
3631 article-hide-list-identifiers
3632 article-strip-banner
3635 article-hide-signature
3636 article-strip-headers-in-body
3637 article-remove-trailing-blank-lines
3638 article-strip-leading-blank-lines
3639 article-strip-multiple-blank-lines
3640 article-strip-leading-space
3641 article-strip-trailing-space
3642 article-strip-blank-lines
3643 article-strip-all-blank-lines
3645 article-date-english
3646 article-date-iso8601
3647 article-date-original
3649 article-decode-mime-words
3650 article-decode-charset
3651 article-decode-encoded-words
3655 article-treat-dumbquotes
3656 article-normalize-headers
3657 ;; (article-show-all . gnus-article-show-all-headers)
3661 ;;; Gnus article mode
3664 (put 'gnus-article-mode 'mode-class 'special)
3666 (set-keymap-parent gnus-article-mode-map widget-keymap)
3668 (gnus-define-keys gnus-article-mode-map
3669 " " gnus-article-goto-next-page
3670 "\177" gnus-article-goto-prev-page
3671 [delete] gnus-article-goto-prev-page
3672 [backspace] gnus-article-goto-prev-page
3673 "\C-c^" gnus-article-refer-article
3674 "h" gnus-article-show-summary
3675 "s" gnus-article-show-summary
3676 "\C-c\C-m" gnus-article-mail
3677 "?" gnus-article-describe-briefly
3678 "e" gnus-summary-edit-article
3679 "<" beginning-of-buffer
3681 "\C-c\C-i" gnus-info-find-node
3683 "R" gnus-article-reply-with-original
3684 "F" gnus-article-followup-with-original
3685 "\C-hk" gnus-article-describe-key
3686 "\C-hc" gnus-article-describe-key-briefly
3688 "\C-d" gnus-article-read-summary-keys
3689 "\M-*" gnus-article-read-summary-keys
3690 "\M-#" gnus-article-read-summary-keys
3691 "\M-^" gnus-article-read-summary-keys
3692 "\M-g" gnus-article-read-summary-keys)
3694 (substitute-key-definition
3695 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3697 (defun gnus-article-make-menu-bar ()
3698 (unless (boundp 'gnus-article-commands-menu)
3699 (gnus-summary-make-menu-bar))
3700 (gnus-turn-off-edit-menu 'article)
3701 (unless (boundp 'gnus-article-article-menu)
3703 gnus-article-article-menu gnus-article-mode-map ""
3705 ["Scroll forwards" gnus-article-goto-next-page t]
3706 ["Scroll backwards" gnus-article-goto-prev-page t]
3707 ["Show summary" gnus-article-show-summary t]
3708 ["Fetch Message-ID at point" gnus-article-refer-article t]
3709 ["Mail to address at point" gnus-article-mail t]
3710 ["Send a bug report" gnus-bug t]))
3713 gnus-article-treatment-menu gnus-article-mode-map ""
3714 ;; Fixme: this should use :active (and maybe :visible).
3716 ["Hide headers" gnus-article-hide-headers t]
3717 ["Hide signature" gnus-article-hide-signature t]
3718 ["Hide citation" gnus-article-hide-citation t]
3719 ["Treat overstrike" gnus-article-treat-overstrike t]
3720 ["Remove carriage return" gnus-article-remove-cr t]
3721 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3722 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3723 ["Remove base64" gnus-article-de-base64-unreadable t]
3724 ["Treat html" gnus-article-wash-html t]
3725 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3726 ["Decode HZ" gnus-article-decode-HZ t]))
3728 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3730 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3732 (gnus-run-hooks 'gnus-article-menu-hook)))
3734 (defun gnus-article-mode ()
3735 "Major mode for displaying an article.
3737 All normal editing commands are switched off.
3739 The following commands are available in addition to all summary mode
3741 \\<gnus-article-mode-map>
3742 \\[gnus-article-next-page]\t Scroll the article one page forwards
3743 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3744 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3745 \\[gnus-article-show-summary]\t Display the summary buffer
3746 \\[gnus-article-mail]\t Send a reply to the address near point
3747 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3748 \\[gnus-info-find-node]\t Go to the Gnus info node"
3750 (kill-all-local-variables)
3751 (gnus-simplify-mode-line)
3752 (setq mode-name "Article")
3753 (setq major-mode 'gnus-article-mode)
3754 (make-local-variable 'minor-mode-alist)
3755 (use-local-map gnus-article-mode-map)
3756 (when (gnus-visual-p 'article-menu 'menu)
3757 (gnus-article-make-menu-bar)
3758 (when gnus-summary-tool-bar-map
3759 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3760 (gnus-update-format-specifications nil 'article-mode)
3761 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3762 (set (make-local-variable 'gnus-page-broken) nil)
3763 (make-local-variable 'gnus-button-marker-list)
3764 (make-local-variable 'gnus-article-current-summary)
3765 (make-local-variable 'gnus-article-mime-handles)
3766 (make-local-variable 'gnus-article-decoded-p)
3767 (make-local-variable 'gnus-article-mime-handle-alist)
3768 (make-local-variable 'gnus-article-wash-types)
3769 (make-local-variable 'gnus-article-image-alist)
3770 (make-local-variable 'gnus-article-charset)
3771 (make-local-variable 'gnus-article-ignored-charsets)
3772 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3773 (set (make-local-variable 'nobreak-char-display) nil)
3774 (gnus-set-default-directory)
3775 (buffer-disable-undo)
3776 (setq buffer-read-only t)
3777 (set-syntax-table gnus-article-mode-syntax-table)
3778 (mm-enable-multibyte)
3779 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3781 (defun gnus-article-setup-buffer ()
3782 "Initialize the article buffer."
3783 (let* ((name (if gnus-single-article-buffer "*Article*"
3784 (concat "*Article " gnus-newsgroup-name "*")))
3786 (progn (string-match "\\*Article" name)
3787 (concat " *Original Article"
3788 (substring name (match-end 0))))))
3789 (setq gnus-article-buffer name)
3790 (setq gnus-original-article-buffer original)
3791 (setq gnus-article-mime-handle-alist nil)
3792 ;; This might be a variable local to the summary buffer.
3793 (unless gnus-single-article-buffer
3795 (set-buffer gnus-summary-buffer)
3796 (setq gnus-article-buffer name)
3797 (setq gnus-original-article-buffer original)
3798 (gnus-set-global-variables)))
3799 (gnus-article-setup-highlight-words)
3800 ;; Init original article buffer.
3802 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3803 (mm-enable-multibyte)
3804 (setq major-mode 'gnus-original-article-mode)
3805 (make-local-variable 'gnus-original-article))
3806 (if (and (get-buffer name)
3807 (with-current-buffer name
3808 (if gnus-article-edit-mode
3809 (if (y-or-n-p "Article mode edit in progress; discard? ")
3811 (set-buffer-modified-p nil)
3812 (gnus-kill-buffer name)
3815 (error "Action aborted"))
3819 (set (make-local-variable 'gnus-article-edit-mode) nil)
3820 (when gnus-article-mime-handles
3821 (mm-destroy-parts gnus-article-mime-handles)
3822 (setq gnus-article-mime-handles nil))
3823 ;; Set it to nil in article-buffer!
3824 (setq gnus-article-mime-handle-alist nil)
3825 (buffer-disable-undo)
3826 (setq buffer-read-only t)
3827 ;; This list just keeps growing if we don't reset it.
3828 (setq gnus-button-marker-list nil)
3829 (unless (eq major-mode 'gnus-article-mode)
3830 (gnus-article-mode))
3833 (set-buffer (gnus-get-buffer-create name))
3835 (make-local-variable 'gnus-summary-buffer)
3836 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3837 (current-buffer)))))
3839 ;; Set article window start at LINE, where LINE is the number of lines
3840 ;; from the head of the article.
3841 (defun gnus-article-set-window-start (&optional line)
3843 (gnus-get-buffer-window gnus-article-buffer t)
3845 (set-buffer gnus-article-buffer)
3846 (goto-char (point-min))
3849 (gnus-message 6 "Moved to bookmark")
3850 (search-forward "\n\n" nil t)
3854 (defun gnus-article-prepare (article &optional all-headers header)
3855 "Prepare ARTICLE in article mode buffer.
3856 ARTICLE should either be an article number or a Message-ID.
3857 If ARTICLE is an id, HEADER should be the article headers.
3858 If ALL-HEADERS is non-nil, no headers are hidden."
3860 ;; Make sure we start in a summary buffer.
3861 (unless (eq major-mode 'gnus-summary-mode)
3862 (set-buffer gnus-summary-buffer))
3863 (setq gnus-summary-buffer (current-buffer))
3864 (let* ((gnus-article (if header (mail-header-number header) article))
3865 (summary-buffer (current-buffer))
3866 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3867 (group gnus-newsgroup-name)
3870 (gnus-article-setup-buffer)
3871 (set-buffer gnus-article-buffer)
3872 ;; Deactivate active regions.
3873 (when (and (boundp 'transient-mark-mode)
3874 transient-mark-mode)
3875 (setq mark-active nil))
3876 (if (not (setq result (let ((inhibit-read-only t))
3877 (gnus-request-article-this-buffer
3879 ;; There is no such article.
3881 (when (and (numberp article)
3882 (not (memq article gnus-newsgroup-sparse)))
3883 (setq gnus-article-current
3884 (cons gnus-newsgroup-name article))
3885 (set-buffer gnus-summary-buffer)
3886 (setq gnus-current-article article)
3887 (if (and (memq article gnus-newsgroup-undownloaded)
3888 (not (gnus-online (gnus-find-method-for-group
3889 gnus-newsgroup-name))))
3891 (gnus-summary-set-agent-mark article)
3892 (message "Message marked for downloading"))
3893 (gnus-summary-mark-article article gnus-canceled-mark)
3894 (unless (memq article gnus-newsgroup-sparse)
3895 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3896 (if (or (eq result 'pseudo)
3897 (eq result 'nneething))
3900 (set-buffer summary-buffer)
3901 (push article gnus-newsgroup-history)
3902 (setq gnus-last-article gnus-current-article
3903 gnus-current-article 0
3904 gnus-current-headers nil
3905 gnus-article-current nil)
3906 (if (eq result 'nneething)
3907 (gnus-configure-windows 'summary)
3908 (gnus-configure-windows 'article))
3909 (gnus-set-global-variables))
3910 (let ((gnus-article-mime-handle-alist-1
3911 gnus-article-mime-handle-alist))
3912 (gnus-set-mode-line 'article)))
3913 ;; The result from the `request' was an actual article -
3914 ;; or at least some text that is now displayed in the
3916 (when (and (numberp article)
3917 (not (eq article gnus-current-article)))
3918 ;; Seems like a new article has been selected.
3919 ;; `gnus-current-article' must be an article number.
3921 (set-buffer summary-buffer)
3922 (push article gnus-newsgroup-history)
3923 (setq gnus-last-article gnus-current-article
3924 gnus-current-article article
3925 gnus-current-headers
3926 (gnus-summary-article-header gnus-current-article)
3927 gnus-article-current
3928 (cons gnus-newsgroup-name gnus-current-article))
3929 (unless (vectorp gnus-current-headers)
3930 (setq gnus-current-headers nil))
3931 (gnus-summary-goto-subject gnus-current-article)
3932 (when (gnus-summary-show-thread)
3933 ;; If the summary buffer really was folded, the
3934 ;; previous goto may not actually have gone to
3935 ;; the right article, but the thread root instead.
3937 (gnus-summary-goto-subject gnus-current-article))
3938 (gnus-run-hooks 'gnus-mark-article-hook)
3939 (gnus-set-mode-line 'summary)
3940 (when (gnus-visual-p 'article-highlight 'highlight)
3941 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3942 ;; Set the global newsgroup variables here.
3943 (gnus-set-global-variables)
3944 (setq gnus-have-all-headers
3945 (or all-headers gnus-show-all-headers))))
3947 (gnus-configure-windows 'article))
3948 (when (or (numberp article)
3950 (gnus-article-prepare-display)
3952 (goto-char (point-min))
3953 (when gnus-break-pages
3954 (gnus-narrow-to-page)))
3955 (let ((gnus-article-mime-handle-alist-1
3956 gnus-article-mime-handle-alist))
3957 (gnus-set-mode-line 'article))
3961 (set-window-point (get-buffer-window (current-buffer)) (point))
3962 (gnus-configure-windows 'article)
3966 (defun gnus-article-prepare-display ()
3967 "Make the current buffer look like a nice article."
3968 ;; Hooks for getting information from the article.
3969 ;; This hook must be called before being narrowed.
3970 (let ((gnus-article-buffer (current-buffer))
3972 (inhibit-read-only t))
3973 (unless (eq major-mode 'gnus-article-mode)
3974 (gnus-article-mode))
3975 (setq buffer-read-only nil
3976 gnus-article-wash-types nil
3977 gnus-article-image-alist nil)
3978 (gnus-run-hooks 'gnus-tmp-internal-hook)
3979 (when gnus-display-mime-function
3980 (funcall gnus-display-mime-function))
3981 (gnus-run-hooks 'gnus-article-prepare-hook)))
3984 ;;; Gnus MIME viewing functions
3987 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3988 "Format of the MIME buttons.
3990 Valid specifiers include:
3992 %T MIME type, along with additional info
3993 %n The `name' parameter
3994 %d The description, if any
3995 %l The length of the encoded part
3996 %p The part identifier number
3997 %e Dots if the part isn't displayed
3999 General format specifiers can also be used. See Info node
4000 `(gnus)Formatting Variables'.")
4002 (defvar gnus-mime-button-line-format-alist
4003 '((?t gnus-tmp-type ?s)
4004 (?T gnus-tmp-type-long ?s)
4005 (?n gnus-tmp-name ?s)
4006 (?d gnus-tmp-description ?s)
4008 (?l gnus-tmp-length ?d)
4009 (?e gnus-tmp-dots ?s)))
4011 (defvar gnus-mime-button-commands
4012 '((gnus-article-press-button "\r" "Toggle Display")
4013 (gnus-mime-view-part "v" "View Interactively...")
4014 (gnus-mime-view-part-as-type "t" "View As Type...")
4015 (gnus-mime-view-part-as-charset "C" "View As charset...")
4016 (gnus-mime-save-part "o" "Save...")
4017 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4018 (gnus-mime-delete-part "d" "Delete part")
4019 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4020 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4021 (gnus-mime-view-part-internally "E" "View Internally")
4022 (gnus-mime-view-part-externally "e" "View Externally")
4023 (gnus-mime-print-part "p" "Print")
4024 (gnus-mime-pipe-part "|" "Pipe To Command...")
4025 (gnus-mime-action-on-part "." "Take action on the part...")))
4027 (defun gnus-article-mime-part-status ()
4028 (if gnus-article-mime-handle-alist-1
4029 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4031 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4034 (defvar gnus-mime-button-map
4035 (let ((map (make-sparse-keymap)))
4036 (unless (>= (string-to-number emacs-version) 21)
4037 ;; XEmacs doesn't care.
4038 (set-keymap-parent map gnus-article-mode-map))
4039 (define-key map gnus-mouse-2 'gnus-article-push-button)
4040 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4041 (dolist (c gnus-mime-button-commands)
4042 (define-key map (cadr c) (car c)))
4046 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4048 ,@(mapcar (lambda (c)
4049 (vector (caddr c) (car c) :enable t))
4050 gnus-mime-button-commands)))
4053 (define-compiler-macro popup-menu (&whole form
4054 menu &optional position prefix)
4055 (if (and (fboundp 'popup-menu)
4056 (not (memq 'popup-menu (assoc "lmenu" load-history))))
4058 ;; Gnus is probably running under Emacs 20.
4059 `(let* ((menu (cdr ,menu))
4060 (response (x-popup-menu
4062 (cons "" (mapcar (lambda (c)
4063 (cons (caddr c) (car c)))
4066 (call-interactively (nth 3 (assq response menu))))))))
4068 (defun gnus-mime-button-menu (event prefix)
4069 "Construct a context-sensitive menu of MIME commands."
4070 (interactive "e\nP")
4071 (save-window-excursion
4072 (let ((pos (event-start event)))
4073 (select-window (posn-window pos))
4074 (goto-char (posn-point pos))
4075 (gnus-article-check-buffer)
4076 (popup-menu gnus-mime-button-menu nil prefix))))
4078 (defun gnus-mime-view-all-parts (&optional handles)
4079 "View all the MIME parts."
4081 (save-current-buffer
4082 (set-buffer gnus-article-buffer)
4083 (let ((handles (or handles gnus-article-mime-handles))
4084 (mail-parse-charset gnus-newsgroup-charset)
4085 (mail-parse-ignored-charsets
4086 (with-current-buffer gnus-summary-buffer
4087 gnus-newsgroup-ignored-charsets)))
4089 (mm-remove-parts handles)
4090 (goto-char (point-min))
4091 (or (search-forward "\n\n") (goto-char (point-max)))
4092 (let ((inhibit-read-only t))
4093 (delete-region (point) (point-max))
4094 (mm-display-parts handles))))))
4096 (defun gnus-mime-save-part-and-strip ()
4097 "Save the MIME part under point then replace it with an external body."
4099 (gnus-article-check-buffer)
4100 (when (gnus-group-read-only-p)
4101 (error "The current group does not support deleting of parts"))
4102 (when (mm-complicated-handles gnus-article-mime-handles)
4104 The current article has a complicated MIME structure, giving up..."))
4105 (when (gnus-yes-or-no-p "\
4106 Deleting parts may malfunction or destroy the article; continue? ")
4107 (let* ((data (get-text-property (point) 'gnus-data))
4109 (handles gnus-article-mime-handles))
4110 (setq file (and data (mm-save-part data)))
4112 (with-current-buffer (mm-handle-buffer data)
4114 (insert "Content-Type: " (mm-handle-media-type data))
4115 (mml-insert-parameter-string (cdr (mm-handle-type data))
4118 (insert "Content-ID: " (message-make-message-id) "\n")
4119 (insert "Content-Transfer-Encoding: binary\n")
4122 (cdr (mm-make-handle nil
4123 `("message/external-body"
4124 (access-type . "LOCAL-FILE")
4126 (set-buffer gnus-summary-buffer)
4127 (gnus-article-edit-article
4130 (let ((mail-parse-charset (or gnus-article-charset
4131 ',gnus-newsgroup-charset))
4132 (mail-parse-ignored-charsets
4133 (or gnus-article-ignored-charsets
4134 ',gnus-newsgroup-ignored-charsets))
4135 (mbl mml-buffer-list))
4136 (setq mml-buffer-list nil)
4137 (insert-buffer-substring gnus-original-article-buffer)
4138 (mime-to-mml ',handles)
4139 (setq gnus-article-mime-handles nil)
4140 (let ((mbl1 mml-buffer-list))
4141 (setq mml-buffer-list mbl)
4142 (set (make-local-variable 'mml-buffer-list) mbl1))
4143 (gnus-make-local-hook 'kill-buffer-hook)
4144 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4145 `(lambda (no-highlight)
4146 (let ((mail-parse-charset (or gnus-article-charset
4147 ',gnus-newsgroup-charset))
4148 (message-options message-options)
4149 (message-options-set-recipient)
4150 (mail-parse-ignored-charsets
4151 (or gnus-article-ignored-charsets
4152 ',gnus-newsgroup-ignored-charsets)))
4154 (mml-destroy-buffers)
4155 (remove-hook 'kill-buffer-hook
4156 'mml-destroy-buffers t)
4157 (kill-local-variable 'mml-buffer-list))
4158 (gnus-summary-edit-article-done
4159 ,(or (mail-header-references gnus-current-headers) "")
4160 ,(gnus-group-read-only-p)
4161 ,gnus-summary-buffer no-highlight)))))))
4163 (defun gnus-mime-delete-part ()
4164 "Delete the MIME part under point.
4165 Replace it with some information about the removed part."
4167 (gnus-article-check-buffer)
4168 (when (gnus-group-read-only-p)
4169 (error "The current group does not support deleting of parts"))
4170 (when (mm-complicated-handles gnus-article-mime-handles)
4172 The current article has a complicated MIME structure, giving up..."))
4173 (when (gnus-yes-or-no-p "\
4174 Deleting parts may malfunction or destroy the article; continue? ")
4175 (let* ((data (get-text-property (point) 'gnus-data))
4176 (handles gnus-article-mime-handles)
4180 (mail-decode-encoded-word-string (or (mm-handle-description data)
4183 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4185 (type (mm-handle-media-type data)))
4187 (error "No MIME part under point"))
4188 (with-current-buffer (mm-handle-buffer data)
4189 (let ((bsize (format "%s" (buffer-size))))
4194 "| The following attachment has been deleted:\n"
4196 "| Type: " type "\n"
4197 "| Filename: " filename "\n"
4198 "| Size (encoded): " bsize " Byte\n"
4199 "| Description: " description "\n"
4202 (cdr (mm-make-handle
4203 nil `("text/plain") nil nil
4205 (format "Deleted attachment (%s bytes)" bsize))))))
4206 (set-buffer gnus-summary-buffer)
4207 ;; FIXME: maybe some of the following code (borrowed from
4208 ;; `gnus-mime-save-part-and-strip') isn't necessary?
4209 (gnus-article-edit-article
4212 (let ((mail-parse-charset (or gnus-article-charset
4213 ',gnus-newsgroup-charset))
4214 (mail-parse-ignored-charsets
4215 (or gnus-article-ignored-charsets
4216 ',gnus-newsgroup-ignored-charsets))
4217 (mbl mml-buffer-list))
4218 (setq mml-buffer-list nil)
4219 (insert-buffer-substring gnus-original-article-buffer)
4220 (mime-to-mml ',handles)
4221 (setq gnus-article-mime-handles nil)
4222 (let ((mbl1 mml-buffer-list))
4223 (setq mml-buffer-list mbl)
4224 (set (make-local-variable 'mml-buffer-list) mbl1))
4225 (gnus-make-local-hook 'kill-buffer-hook)
4226 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4227 `(lambda (no-highlight)
4228 (let ((mail-parse-charset (or gnus-article-charset
4229 ',gnus-newsgroup-charset))
4230 (message-options message-options)
4231 (message-options-set-recipient)
4232 (mail-parse-ignored-charsets
4233 (or gnus-article-ignored-charsets
4234 ',gnus-newsgroup-ignored-charsets)))
4236 (mml-destroy-buffers)
4237 (remove-hook 'kill-buffer-hook
4238 'mml-destroy-buffers t)
4239 (kill-local-variable 'mml-buffer-list))
4240 (gnus-summary-edit-article-done
4241 ,(or (mail-header-references gnus-current-headers) "")
4242 ,(gnus-group-read-only-p)
4243 ,gnus-summary-buffer no-highlight)))))
4244 ;; Not in `gnus-mime-save-part-and-strip':
4245 (gnus-article-edit-done)
4246 (gnus-summary-expand-window)
4247 (gnus-summary-show-article))
4249 (defun gnus-mime-save-part ()
4250 "Save the MIME part under point."
4252 (gnus-article-check-buffer)
4253 (let ((data (get-text-property (point) 'gnus-data)))
4255 (mm-save-part data))))
4257 (defun gnus-mime-pipe-part ()
4258 "Pipe the MIME part under point to a process."
4260 (gnus-article-check-buffer)
4261 (let ((data (get-text-property (point) 'gnus-data)))
4263 (mm-pipe-part data))))
4265 (defun gnus-mime-view-part ()
4266 "Interactively choose a viewing method for the MIME part under point."
4268 (gnus-article-check-buffer)
4269 (let ((data (get-text-property (point) 'gnus-data)))
4271 (setq gnus-article-mime-handles
4273 gnus-article-mime-handles (setq data (copy-sequence data))))
4274 (mm-interactively-view-part data))))
4276 (defun gnus-mime-view-part-as-type-internal ()
4277 (gnus-article-check-buffer)
4278 (let* ((name (mail-content-type-get
4279 (mm-handle-type (get-text-property (point) 'gnus-data))
4281 (def-type (and name (mm-default-file-encoding name))))
4282 (and def-type (cons def-type 0))))
4284 (defun gnus-mime-view-part-as-type (&optional mime-type)
4285 "Choose a MIME media type, and view the part as such."
4288 (setq mime-type (completing-read
4289 "View as MIME type: "
4290 (mapcar #'list (mailcap-mime-types))
4292 (gnus-mime-view-part-as-type-internal))))
4293 (gnus-article-check-buffer)
4294 (let ((handle (get-text-property (point) 'gnus-data)))
4297 (mm-make-handle (mm-handle-buffer handle)
4298 (cons mime-type (cdr (mm-handle-type handle)))
4299 (mm-handle-encoding handle)
4300 (mm-handle-undisplayer handle)
4301 (mm-handle-disposition handle)
4302 (mm-handle-description handle)
4304 (mm-handle-id handle)))
4305 (setq gnus-article-mime-handles
4306 (mm-merge-handles gnus-article-mime-handles handle))
4307 (gnus-mm-display-part handle))))
4310 (require 'jka-compr))
4312 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4313 ;; emacs can do that itself.
4315 (defun gnus-mime-jka-compr-maybe-uncompress ()
4316 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4317 The uncompress method used is derived from `buffer-file-name'."
4318 (when (and (fboundp 'jka-compr-installed-p)
4319 (jka-compr-installed-p))
4320 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4322 (let ((basename (file-name-nondirectory buffer-file-name))
4323 (args (jka-compr-info-uncompress-args info))
4324 (prog (jka-compr-info-uncompress-program info))
4325 (message (jka-compr-info-uncompress-message info))
4326 (err-file (jka-compr-make-temp-name)))
4328 (message "%s %s..." message basename))
4330 (unless (memq (apply 'call-process-region
4331 (point-min) (point-max)
4333 t (list t err-file) nil
4335 jka-compr-acceptable-retval-list)
4336 (jka-compr-error prog args basename message err-file))
4337 (jka-compr-delete-temp-file err-file)))))))
4339 (defun gnus-mime-copy-part (&optional handle)
4340 "Put the MIME part under point into a new buffer.
4341 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4344 (gnus-article-check-buffer)
4345 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4346 (contents (and handle (mm-get-part handle)))
4348 (file-name-nondirectory
4350 (mail-content-type-get (mm-handle-type handle) 'name)
4351 (mail-content-type-get (mm-handle-disposition handle)
4354 (buffer (and base (generate-new-buffer base))))
4356 (switch-to-buffer buffer)
4358 ;; We do it this way to make `normal-mode' set the appropriate mode.
4361 (setq buffer-file-name (expand-file-name base))
4362 (gnus-mime-jka-compr-maybe-uncompress)
4364 (setq buffer-file-name nil))
4365 (goto-char (point-min)))))
4367 (defun gnus-mime-print-part (&optional handle filename)
4368 "Print the MIME part under point."
4369 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4370 (gnus-article-check-buffer)
4371 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4372 (contents (and handle (mm-get-part handle)))
4373 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4374 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4379 (mm-save-part-to-file handle file)
4380 (call-process shell-file-name nil
4381 (generate-new-buffer " *mm*")
4383 shell-command-switch
4385 printer file (mm-handle-type handle))))
4389 (gnus-print-buffer))
4390 (ps-despool filename)))))
4392 (defun gnus-mime-inline-part (&optional handle arg)
4393 "Insert the MIME part under point into the current buffer."
4394 (interactive (list nil current-prefix-arg))
4395 (gnus-article-check-buffer)
4396 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4399 (inhibit-read-only t))
4401 (if (and (not arg) (mm-handle-undisplayer handle))
4402 (mm-remove-part handle)
4403 (setq contents (mm-get-part handle))
4406 (setq charset (or (mail-content-type-get
4407 (mm-handle-type handle) 'charset)
4408 gnus-newsgroup-charset)))
4410 (if (mm-handle-undisplayer handle)
4411 (mm-remove-part handle))
4414 gnus-summary-show-article-charset-alist))
4415 (mm-read-coding-system "Charset: "))))
4417 (if (mm-handle-undisplayer handle)
4418 (mm-remove-part handle))))
4423 (setq charset (mm-charset-to-coding-system
4425 (not (eq charset 'ascii)))
4426 (mm-decode-coding-string contents charset)
4427 (mm-string-to-multibyte contents)))
4430 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4431 "Insert the MIME part under point into the current buffer using the
4433 (interactive (list nil current-prefix-arg))
4434 (gnus-article-check-buffer)
4435 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4438 (inhibit-read-only t))
4440 (if (mm-handle-undisplayer handle)
4441 (mm-remove-part handle))
4442 (let ((gnus-newsgroup-charset
4444 gnus-summary-show-article-charset-alist))
4445 (mm-read-coding-system "Charset: ")))
4446 (gnus-newsgroup-ignored-charsets 'gnus-all))
4447 (gnus-article-press-button)))))
4449 (defun gnus-mime-view-part-externally (&optional handle)
4450 "View the MIME part under point with an external viewer."
4452 (gnus-article-check-buffer)
4453 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4454 (mm-user-display-methods nil)
4455 (mm-inlined-types nil)
4456 (mail-parse-charset gnus-newsgroup-charset)
4457 (mail-parse-ignored-charsets
4458 (save-excursion (set-buffer gnus-summary-buffer)
4459 gnus-newsgroup-ignored-charsets)))
4461 (if (mm-handle-undisplayer handle)
4462 (mm-remove-part handle)
4463 (mm-display-part handle)))))
4465 (defun gnus-mime-view-part-internally (&optional handle)
4466 "View the MIME part under point with an internal viewer.
4467 If no internal viewer is available, use an external viewer."
4469 (gnus-article-check-buffer)
4470 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4471 (mm-inlined-types '(".*"))
4472 (mm-inline-large-images t)
4473 (mail-parse-charset gnus-newsgroup-charset)
4474 (mail-parse-ignored-charsets
4475 (save-excursion (set-buffer gnus-summary-buffer)
4476 gnus-newsgroup-ignored-charsets))
4477 (inhibit-read-only t))
4479 (if (mm-handle-undisplayer handle)
4480 (mm-remove-part handle)
4481 (mm-display-part handle)))))
4483 (defun gnus-mime-action-on-part (&optional action)
4484 "Do something with the MIME attachment at \(point\)."
4486 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4487 (gnus-article-check-buffer)
4488 (let ((action-pair (assoc action gnus-mime-action-alist)))
4490 (funcall (cdr action-pair)))))
4492 (defun gnus-article-part-wrapper (n function)
4493 (save-current-buffer
4494 (set-buffer gnus-article-buffer)
4495 (when (> n (length gnus-article-mime-handle-alist))
4496 (error "No such part"))
4497 (gnus-article-goto-part n)
4498 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4499 (funcall function handle))))
4501 (defun gnus-article-pipe-part (n)
4502 "Pipe MIME part N, which is the numerical prefix."
4504 (gnus-article-part-wrapper n 'mm-pipe-part))
4506 (defun gnus-article-save-part (n)
4507 "Save MIME part N, which is the numerical prefix."
4509 (gnus-article-part-wrapper n 'mm-save-part))
4511 (defun gnus-article-interactively-view-part (n)
4512 "View MIME part N interactively, which is the numerical prefix."
4514 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4516 (defun gnus-article-copy-part (n)
4517 "Copy MIME part N, which is the numerical prefix."
4519 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4521 (defun gnus-article-view-part-as-charset (n)
4522 "View MIME part N using a specified charset.
4523 N is the numerical prefix."
4525 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4527 (defun gnus-article-view-part-externally (n)
4528 "View MIME part N externally, which is the numerical prefix."
4530 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4532 (defun gnus-article-inline-part (n)
4533 "Inline MIME part N, which is the numerical prefix."
4535 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4537 (defun gnus-article-mime-match-handle-first (condition)
4539 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4540 (while (setq ihandle (pop alist))
4542 ((functionp condition)
4543 (funcall condition (cdr ihandle)))
4544 ((eq condition 'undisplayed)
4545 (not (or (mm-handle-undisplayer (cdr ihandle))
4546 (equal (mm-handle-media-type (cdr ihandle))
4547 "multipart/alternative"))))
4548 ((eq condition 'undisplayed-alternative)
4549 (not (mm-handle-undisplayer (cdr ihandle))))
4551 (gnus-article-goto-part (car ihandle))
4552 (or (not n) (< (car ihandle) n)))
4553 (setq n (car ihandle))))
4557 (defun gnus-article-view-part (&optional n)
4558 "View MIME part N, which is the numerical prefix."
4560 (save-current-buffer
4561 (set-buffer gnus-article-buffer)
4562 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4563 gnus-article-mime-match-handle-function)))
4564 (when (> n (length gnus-article-mime-handle-alist))
4565 (error "No such part"))
4566 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4567 (when (gnus-article-goto-part n)
4568 (if (equal (car handle) "multipart/alternative")
4569 (gnus-article-press-button)
4570 (when (eq (gnus-mm-display-part handle) 'internal)
4571 (gnus-set-window-start)))))))
4573 (defsubst gnus-article-mime-total-parts ()
4574 (if (bufferp (car gnus-article-mime-handles))
4576 (1- (length gnus-article-mime-handles))))
4578 (defun gnus-mm-display-part (handle)
4579 "Display HANDLE and fix MIME button."
4580 (let ((id (get-text-property (point) 'gnus-part))
4582 (inhibit-read-only t))
4585 (let ((window (selected-window))
4586 (mail-parse-charset gnus-newsgroup-charset)
4587 (mail-parse-ignored-charsets
4588 (if (gnus-buffer-live-p gnus-summary-buffer)
4590 (set-buffer gnus-summary-buffer)
4591 gnus-newsgroup-ignored-charsets)
4595 (let ((win (gnus-get-buffer-window (current-buffer) t))
4598 (select-window win))
4601 (if (mm-handle-displayed-p handle)
4602 ;; This will remove the part.
4603 (mm-display-part handle)
4605 (narrow-to-region (point)
4606 (if (eobp) (point) (1+ (point))))
4607 (mm-display-part handle)
4608 ;; We narrow to the part itself and
4609 ;; then call the treatment functions.
4610 (goto-char (point-min))
4612 (narrow-to-region (point) (point-max))
4615 (gnus-article-mime-total-parts)
4616 (mm-handle-media-type handle)))))
4617 (if (window-live-p window)
4618 (select-window window)))))
4621 (gnus-insert-mime-button
4622 handle id (list (mm-handle-displayed-p handle)))
4623 (goto-char point))))
4625 (defun gnus-article-goto-part (n)
4626 "Go to MIME part N."
4627 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4629 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4630 (let ((gnus-tmp-name
4631 (or (mail-content-type-get (mm-handle-type handle) 'name)
4632 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4633 (mail-content-type-get (mm-handle-type handle) 'url)
4635 (gnus-tmp-type (mm-handle-media-type handle))
4636 (gnus-tmp-description
4637 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4640 (if (if displayed (car displayed)
4641 (mm-handle-displayed-p handle))
4643 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4645 gnus-tmp-type-long b e)
4646 (when (string-match ".*/" gnus-tmp-name)
4647 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4648 (setq gnus-tmp-type-long (concat gnus-tmp-type
4649 (and (not (equal gnus-tmp-name ""))
4650 (concat "; " gnus-tmp-name))))
4651 (unless (equal gnus-tmp-description "")
4652 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4657 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4658 `(,@(gnus-local-map-property gnus-mime-button-map)
4659 gnus-callback gnus-mm-display-part
4660 gnus-part ,gnus-tmp-id
4661 article-type annotation
4664 ;; Exclude a newline.
4667 (widget-convert-button
4670 :action 'gnus-widget-press-button
4671 :button-keymap gnus-mime-button-map
4673 (lambda (widget/window &optional overlay pos)
4674 ;; Needed to properly clear the message due to a bug in
4675 ;; wid-edit (XEmacs only).
4676 (if (boundp 'help-echo-owns-message)
4677 (setq help-echo-owns-message t))
4679 "%S: %s the MIME part; %S: more options"
4680 (aref gnus-mouse-2 0)
4681 ;; XEmacs will get a single widget arg; Emacs 21 will get
4682 ;; window, overlay, position.
4683 (if (mm-handle-displayed-p
4685 (with-current-buffer (gnus-overlay-buffer overlay)
4686 (widget-get (widget-at (gnus-overlay-start overlay))
4688 (widget-get widget/window :mime-handle)))
4690 (aref gnus-down-mouse-3 0))))))
4692 (defun gnus-widget-press-button (elems el)
4693 (goto-char (widget-get elems :from))
4694 (gnus-article-press-button))
4696 (defvar gnus-displaying-mime nil)
4698 (defun gnus-display-mime (&optional ihandles)
4699 "Display the MIME parts."
4701 (save-selected-window
4702 (let ((window (get-buffer-window gnus-article-buffer))
4705 (select-window window)
4706 ;; We have to do this since selecting the window
4707 ;; may change the point. So we set the window point.
4708 (set-window-point window point)))
4709 (let* ((handles (or ihandles
4710 (mm-dissect-buffer nil gnus-article-loose-mime)
4711 (and gnus-article-emulate-mime
4713 (inhibit-read-only t) handle name type b e display)
4714 (when (and (not ihandles)
4715 (not gnus-displaying-mime))
4716 ;; Top-level call; we clean up.
4717 (when gnus-article-mime-handles
4718 (mm-destroy-parts gnus-article-mime-handles)
4719 (setq gnus-article-mime-handle-alist nil));; A trick.
4720 (setq gnus-article-mime-handles handles)
4721 ;; We allow users to glean info from the handles.
4722 (when gnus-article-mime-part-function
4723 (gnus-mime-part-function handles)))
4725 (or (not (stringp (car handles)))
4728 (when (and (not ihandles)
4729 (not gnus-displaying-mime))
4730 ;; Clean up for mime parts.
4732 (delete-region (point) (point-max)))
4733 (let ((gnus-displaying-mime t))
4734 (gnus-mime-display-part handles)))
4737 (narrow-to-region (point) (point-max))
4738 (gnus-treat-article nil 1 1)
4741 ;; Highlight the headers.
4745 (narrow-to-region (point-min) (point))
4746 (gnus-article-save-original-date
4747 (gnus-treat-article 'head)))))))))
4749 (defcustom gnus-mime-display-multipart-as-mixed nil
4750 "Display \"multipart\" parts as \"multipart/mixed\".
4752 If t, it overrides nil values of
4753 `gnus-mime-display-multipart-alternative-as-mixed' and
4754 `gnus-mime-display-multipart-related-as-mixed'."
4755 :group 'gnus-article-mime
4758 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4759 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4761 :group 'gnus-article-mime
4764 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4765 "Display \"multipart/related\" parts as \"multipart/mixed\".
4767 If displaying \"text/html\" is discouraged \(see
4768 `mm-discouraged-alternatives'\) images or other material inside a
4769 \"multipart/related\" part might be overlooked when this variable is nil."
4771 :group 'gnus-article-mime
4774 (defun gnus-mime-display-part (handle)
4776 ;; Maybe a broken MIME message.
4779 ((not (stringp (car handle)))
4780 (gnus-mime-display-single handle))
4781 ;; User-defined multipart
4782 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4783 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4785 ;; multipart/alternative
4786 ((and (equal (car handle) "multipart/alternative")
4787 (not (or gnus-mime-display-multipart-as-mixed
4788 gnus-mime-display-multipart-alternative-as-mixed)))
4789 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4790 (push (cons id handle) gnus-article-mime-handle-alist)
4791 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4792 ;; multipart/related
4793 ((and (equal (car handle) "multipart/related")
4794 (not (or gnus-mime-display-multipart-as-mixed
4795 gnus-mime-display-multipart-related-as-mixed)))
4796 ;;;!!!We should find the start part, but we just default
4797 ;;;!!!to the first part.
4798 ;;(gnus-mime-display-part (cadr handle))
4799 ;;;!!! Most multipart/related is an HTML message plus images.
4800 ;;;!!! Unfortunately we are unable to let W3 display those
4801 ;;;!!! included images, so we just display it as a mixed multipart.
4802 ;;(gnus-mime-display-mixed (cdr handle))
4803 ;;;!!! No, w3 can display everything just fine.
4804 (gnus-mime-display-part (cadr handle)))
4805 ((equal (car handle) "multipart/signed")
4806 (gnus-add-wash-type 'signed)
4807 (gnus-mime-display-security handle))
4808 ((equal (car handle) "multipart/encrypted")
4809 (gnus-add-wash-type 'encrypted)
4810 (gnus-mime-display-security handle))
4811 ;; Other multiparts are handled like multipart/mixed.
4813 (gnus-mime-display-mixed (cdr handle)))))
4815 (defun gnus-mime-part-function (handles)
4816 (if (stringp (car handles))
4817 (mapcar 'gnus-mime-part-function (cdr handles))
4818 (funcall gnus-article-mime-part-function handles)))
4820 (defun gnus-mime-display-mixed (handles)
4821 (mapcar 'gnus-mime-display-part handles))
4823 (defun gnus-mime-display-single (handle)
4824 (let ((type (mm-handle-media-type handle))
4825 (ignored gnus-ignored-mime-types)
4832 (when (string-match (pop ignored) type)
4833 (throw 'ignored nil)))
4834 (if (and (setq not-attachment
4835 (and (not (mm-inline-override-p handle))
4836 (or (not (mm-handle-disposition handle))
4837 (equal (car (mm-handle-disposition handle))
4839 (mm-attachment-override-p handle))))
4840 (mm-automatic-display-p handle)
4842 (mm-inlinable-p handle)
4843 (mm-inlined-p handle))
4844 (mm-automatic-external-display-p type)))
4846 (when (equal (mm-handle-media-supertype handle) "text")
4848 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4850 (push (cons id handle) gnus-article-mime-handle-alist)
4851 (when (or (not display)
4852 (not (gnus-unbuttonized-mime-type-p type)))
4853 ;(gnus-article-insert-newline)
4854 (gnus-insert-mime-button
4855 handle id (list (or display (and not-attachment text))))
4856 (gnus-article-insert-newline)
4857 ;(gnus-article-insert-newline)
4858 ;; Remember modify the number of forward lines.
4866 (let ((mail-parse-charset gnus-newsgroup-charset)
4867 (mail-parse-ignored-charsets
4868 (save-excursion (condition-case ()
4869 (set-buffer gnus-summary-buffer)
4871 gnus-newsgroup-ignored-charsets)))
4872 (mm-display-part handle t))
4873 (goto-char (point-max)))
4874 ((and text not-attachment)
4878 (gnus-article-insert-newline)
4881 (let ((charset (mail-content-type-get (mm-handle-type handle)
4883 (cond ((not charset)
4884 (mm-string-as-multibyte (mm-get-part handle)))
4885 ((eq charset 'gnus-decoded)
4886 (with-current-buffer (mm-handle-buffer handle)
4889 (mm-decode-string (mm-get-part handle) charset)))))
4890 (goto-char (point-max))))
4894 (narrow-to-region beg (point))
4897 (gnus-article-mime-total-parts)
4898 (mm-handle-media-type handle)))))))))
4900 (defun gnus-unbuttonized-mime-type-p (type)
4901 "Say whether TYPE is to be unbuttonized."
4902 (unless gnus-inhibit-mime-unbuttonizing
4904 (let ((types gnus-unbuttonized-mime-types))
4906 (when (string-match (pop types) type)
4907 (throw 'found t)))))
4909 (let ((types gnus-buttonized-mime-types))
4911 (when (string-match (pop types) type)
4912 (throw 'found t)))))))))
4914 (defun gnus-article-insert-newline ()
4915 "Insert a newline, but mark it as undeletable."
4916 (gnus-put-text-property
4917 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4919 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4920 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4923 handle (inhibit-read-only t) from props begend not-pref)
4924 (save-window-excursion
4927 (narrow-to-region (car ibegend)
4930 (goto-char (car ibegend))
4933 (delete-region (point-min) (point-max))
4934 (mm-remove-parts handles))
4935 (setq begend (list (point-marker)))
4937 (unless (setq not-pref (cadr (member preferred ihandles)))
4938 (setq not-pref (car ihandles)))
4941 (not (gnus-unbuttonized-mime-type-p
4942 "multipart/alternative")))
4943 (gnus-add-text-properties
4946 (insert (format "%d. " id))
4950 (unless ,(not ibegend)
4951 (setq gnus-article-mime-handle-alist
4952 ',gnus-article-mime-handle-alist))
4953 (gnus-mime-display-alternative
4954 ',ihandles ',not-pref ',begend ,id))
4955 ,@(gnus-local-map-property gnus-mime-button-map)
4956 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4957 face ,gnus-article-button-face
4960 (widget-convert-button 'link from (point)
4961 :action 'gnus-widget-press-button
4962 :button-keymap gnus-widget-button-keymap)
4964 (while (setq handle (pop handles))
4965 (gnus-add-text-properties
4968 (insert (format "(%c) %-18s"
4969 (if (equal handle preferred) ?* ? )
4970 (mm-handle-media-type handle)))
4974 (unless ,(not ibegend)
4975 (setq gnus-article-mime-handle-alist
4976 ',gnus-article-mime-handle-alist))
4977 (gnus-mime-display-alternative
4978 ',ihandles ',handle ',begend ,id))
4979 ,@(gnus-local-map-property gnus-mime-button-map)
4980 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4981 face ,gnus-article-button-face
4984 (widget-convert-button 'link from (point)
4985 :action 'gnus-widget-press-button
4986 :button-keymap gnus-widget-button-keymap)
4990 (if (stringp (car preferred))
4991 (gnus-display-mime preferred)
4992 (let ((mail-parse-charset gnus-newsgroup-charset)
4993 (mail-parse-ignored-charsets
4994 (save-excursion (set-buffer gnus-summary-buffer)
4995 gnus-newsgroup-ignored-charsets)))
4996 (mm-display-part preferred)
5000 (narrow-to-region (car begend) (point-max))
5002 nil (length gnus-article-mime-handle-alist)
5003 (gnus-article-mime-total-parts)
5004 (mm-handle-media-type handle))))))
5005 (goto-char (point-max))
5006 (setcdr begend (point-marker)))))
5008 (goto-char point))))
5010 (defconst gnus-article-wash-status-strings
5011 (let ((alist '((cite "c" "Possible hidden citation text"
5012 " " "All citation text visible")
5013 (headers "h" "Hidden headers"
5014 " " "All headers visible.")
5015 (pgp "p" "Encrypted or signed message status hidden"
5016 " " "No hidden encryption nor digital signature status")
5017 (signature "s" "Signature has been hidden"
5018 " " "Signature is visible")
5019 (overstrike "o" "Overstrike (^H) characters applied"
5020 " " "No overstrike characters applied")
5021 (emphasis "e" "/*_Emphasis_*/ characters applied"
5022 " " "No /*_emphasis_*/ characters applied")))
5024 (dolist (entry alist result)
5025 (let ((key (nth 0 entry))
5026 (on (copy-sequence (nth 1 entry)))
5027 (on-help (nth 2 entry))
5028 (off (copy-sequence (nth 3 entry)))
5029 (off-help (nth 4 entry)))
5030 (put-text-property 0 1 'help-echo on-help on)
5031 (put-text-property 0 1 'help-echo off-help off)
5032 (push (list key on off) result))))
5033 "Alist of strings describing wash status in the mode line.
5034 Each entry has the form (KEY ON OF), where the KEY is a symbol
5035 representing the particular washing function, ON is the string to use
5036 in the article mode line when the washing function is active, and OFF
5037 is the string to use when it is inactive.")
5039 (defun gnus-article-wash-status-entry (key value)
5040 (let ((entry (assoc key gnus-article-wash-status-strings)))
5041 (if value (nth 1 entry) (nth 2 entry))))
5043 (defun gnus-article-wash-status ()
5044 "Return a string which display status of article washing."
5046 (set-buffer gnus-article-buffer)
5047 (let ((cite (memq 'cite gnus-article-wash-types))
5048 (headers (memq 'headers gnus-article-wash-types))
5049 (boring (memq 'boring-headers gnus-article-wash-types))
5050 (pgp (memq 'pgp gnus-article-wash-types))
5051 (pem (memq 'pem gnus-article-wash-types))
5052 (signed (memq 'signed gnus-article-wash-types))
5053 (encrypted (memq 'encrypted gnus-article-wash-types))
5054 (signature (memq 'signature gnus-article-wash-types))
5055 (overstrike (memq 'overstrike gnus-article-wash-types))
5056 (emphasis (memq 'emphasis gnus-article-wash-types)))
5058 (gnus-article-wash-status-entry 'cite cite)
5059 (gnus-article-wash-status-entry 'headers (or headers boring))
5060 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5061 (gnus-article-wash-status-entry 'signature signature)
5062 (gnus-article-wash-status-entry 'overstrike overstrike)
5063 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5065 (defun gnus-add-wash-type (type)
5066 "Add a washing of TYPE to the current status."
5067 (add-to-list 'gnus-article-wash-types type))
5069 (defun gnus-delete-wash-type (type)
5070 "Add a washing of TYPE to the current status."
5071 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5073 (defun gnus-add-image (category image)
5074 "Add IMAGE of CATEGORY to the list of displayed images."
5075 (let ((entry (assq category gnus-article-image-alist)))
5077 (setq entry (list category))
5078 (push entry gnus-article-image-alist))
5079 (nconc entry (list image))))
5081 (defun gnus-delete-images (category)
5082 "Delete all images in CATEGORY."
5083 (let ((entry (assq category gnus-article-image-alist)))
5084 (dolist (image (cdr entry))
5085 (gnus-remove-image image category))
5086 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5087 (gnus-delete-wash-type category)))
5089 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5091 (defun gnus-article-maybe-hide-headers ()
5092 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5093 Provided for backwards compatibility."
5094 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5095 (not (save-excursion (set-buffer gnus-summary-buffer)
5096 gnus-have-all-headers)))
5097 (not gnus-inhibit-hiding))
5098 (gnus-article-hide-headers)))
5102 (defun gnus-output-to-file (file-name)
5103 "Append the current article to a file named FILE-NAME."
5104 (let ((artbuf (current-buffer)))
5106 (insert-buffer-substring artbuf)
5107 ;; Append newline at end of the buffer as separator, and then
5109 (goto-char (point-max))
5111 (let ((file-name-coding-system nnmail-pathname-coding-system))
5112 (mm-append-to-file (point-min) (point-max) file-name))
5115 (defun gnus-narrow-to-page (&optional arg)
5116 "Narrow the article buffer to a page.
5117 If given a numerical ARG, move forward ARG pages."
5119 (setq arg (if arg (prefix-numeric-value arg) 0))
5121 (set-buffer gnus-article-buffer)
5122 (goto-char (point-min))
5124 ;; Remove any old next/prev buttons.
5125 (when (gnus-visual-p 'page-marker)
5126 (let ((inhibit-read-only t))
5127 (gnus-remove-text-with-property 'gnus-prev)
5128 (gnus-remove-text-with-property 'gnus-next)))
5131 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5133 (re-search-forward page-delimiter nil 'move arg)))
5134 (goto-char (match-end 0))
5136 (goto-char (point-min))
5137 (setq gnus-page-broken
5138 (and (re-search-forward page-delimiter nil t) t))))
5139 (when gnus-page-broken
5142 (if (re-search-forward page-delimiter nil 'move)
5145 (when (and (gnus-visual-p 'page-marker)
5146 (> (point-min) (save-restriction (widen) (point-min))))
5148 (goto-char (point-min))
5149 (gnus-insert-prev-page-button)))
5150 (when (and (gnus-visual-p 'page-marker)
5151 (< (point-max) (save-restriction (widen) (point-max))))
5153 (goto-char (point-max))
5154 (gnus-insert-next-page-button))))))
5156 ;; Article mode commands
5158 (defun gnus-article-goto-next-page ()
5159 "Show the next page of the article."
5161 (when (gnus-article-next-page)
5162 (goto-char (point-min))
5163 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5166 (defun gnus-article-goto-prev-page ()
5167 "Show the previous page of the article."
5170 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5171 (gnus-article-prev-page nil)))
5173 ;; This is cleaner but currently breaks `gnus-pick-mode':
5175 ;; (defun gnus-article-goto-next-page ()
5176 ;; "Show the next page of the article."
5178 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5179 ;; (gnus-summary-next-page)))
5181 ;; (defun gnus-article-goto-prev-page ()
5182 ;; "Show the next page of the article."
5184 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5185 ;; (gnus-summary-prev-page)))
5187 (defun gnus-article-next-page (&optional lines)
5188 "Show the next page of the current article.
5189 If end of article, return non-nil. Otherwise return nil.
5190 Argument LINES specifies lines to be scrolled up."
5192 (move-to-window-line -1)
5195 (and (pos-visible-in-window-p) ;Not continuation line.
5196 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5197 ;; Nothing in this page.
5198 (if (or (not gnus-page-broken)
5203 (eobp)))) ;Real end-of-buffer?
5205 (when gnus-article-over-scroll
5206 (gnus-article-next-page-1 lines))
5208 (gnus-narrow-to-page 1) ;Go to next page.
5210 ;; More in this page.
5211 (gnus-article-next-page-1 lines)
5214 (defmacro gnus-article-beginning-of-window ()
5215 "Move point to the beginning of the window.
5216 In Emacs, the point is placed at the line number which `scroll-margin'
5218 (if (featurep 'xemacs)
5219 '(move-to-window-line 0)
5220 '(move-to-window-line
5221 (min (max 0 scroll-margin)
5222 (max 1 (- (window-height)
5223 (if mode-line-format 1 0)
5224 (if (and (boundp 'header-line-format)
5225 (symbol-value 'header-line-format))
5228 (defun gnus-article-next-page-1 (lines)
5229 (when (and (not (featurep 'xemacs))
5232 (numberp (symbol-value 'scroll-margin))
5233 (> (symbol-value 'scroll-margin) 0))
5234 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5235 ;; too many number of lines if `scroll-margin' is set as two or greater.
5236 (setq lines (min lines
5237 (max 0 (- (count-lines (window-start) (point-max))
5238 (symbol-value 'scroll-margin))))))
5240 (let ((scroll-in-place nil))
5243 ;; Long lines may cause an end-of-buffer error.
5244 (goto-char (point-max))))
5245 (gnus-article-beginning-of-window))
5247 (defun gnus-article-prev-page (&optional lines)
5248 "Show previous page of current article.
5249 Argument LINES specifies lines to be scrolled down."
5251 (move-to-window-line 0)
5252 (if (and gnus-page-broken
5254 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5256 (gnus-narrow-to-page -1) ;Go to previous page.
5257 (goto-char (point-max))
5261 (let ((scroll-in-place nil))
5262 (scroll-down lines))
5263 (beginning-of-buffer
5264 (goto-char (point-min))))
5265 (gnus-article-beginning-of-window))))
5267 (defun gnus-article-only-boring-p ()
5268 "Decide whether there is only boring text remaining in the article.
5269 Something \"interesting\" is a word of at least two letters that does
5270 not have a face in `gnus-article-boring-faces'."
5271 (when (and gnus-article-skip-boring
5272 (boundp 'gnus-article-boring-faces)
5273 (symbol-value 'gnus-article-boring-faces))
5276 (while (re-search-forward "\\b\\w\\w" nil t)
5278 (when (not (gnus-intersection
5279 (gnus-faces-at (point))
5280 (symbol-value 'gnus-article-boring-faces)))
5281 (throw 'only-boring nil)))
5282 (throw 'only-boring t)))))
5284 (defun gnus-article-refer-article ()
5285 "Read article specified by message-id around point."
5288 (re-search-backward "[ \t]\\|^" (gnus-point-at-bol) t)
5289 (re-search-forward "<?news:<?\\|<" (gnus-point-at-eol) t)
5290 (if (re-search-forward "[^@ ]+@[^ \t>]+" (gnus-point-at-eol) t)
5291 (let ((msg-id (concat "<" (match-string 0) ">")))
5292 (set-buffer gnus-summary-buffer)
5293 (gnus-summary-refer-article msg-id))
5294 (error "No references around point"))))
5296 (defun gnus-article-show-summary ()
5297 "Reconfigure windows to show summary buffer."
5299 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5300 (error "There is no summary buffer for this article buffer")
5301 (gnus-article-set-globals)
5302 (gnus-configure-windows 'article)
5303 (gnus-summary-goto-subject gnus-current-article)
5304 (gnus-summary-position-point)))
5306 (defun gnus-article-describe-briefly ()
5307 "Describe article mode commands briefly."
5309 (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")))
5311 (defun gnus-article-summary-command ()
5312 "Execute the last keystroke in the summary buffer."
5314 (let ((obuf (current-buffer))
5315 (owin (current-window-configuration))
5317 (switch-to-buffer gnus-article-current-summary 'norecord)
5318 (setq func (lookup-key (current-local-map) (this-command-keys)))
5319 (call-interactively func)
5321 (set-window-configuration owin)
5322 (set-window-point (get-buffer-window (current-buffer)) (point))))
5324 (defun gnus-article-summary-command-nosave ()
5325 "Execute the last keystroke in the summary buffer."
5328 (pop-to-buffer gnus-article-current-summary 'norecord)
5329 (setq func (lookup-key (current-local-map) (this-command-keys)))
5330 (call-interactively func)))
5332 (defun gnus-article-check-buffer ()
5333 "Beep if not in an article buffer."
5334 (unless (equal major-mode 'gnus-article-mode)
5335 (error "Command invoked outside of a Gnus article buffer")))
5337 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5338 "Read a summary buffer key sequence and execute it from the article buffer."
5340 (gnus-article-check-buffer)
5342 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5343 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5344 "=" "^" "\M-^" "|"))
5350 '("n" "Gn" "p" "Gp"))
5353 (set-buffer gnus-article-current-summary)
5354 (let (gnus-pick-mode)
5355 (push (or key last-command-event) unread-command-events)
5356 (setq keys (if (featurep 'xemacs)
5357 (events-to-keys (read-key-sequence nil))
5358 (read-key-sequence nil)))))
5362 (if (or (member keys nosaves)
5363 (member keys nosave-but-article)
5364 (member keys nosave-in-article))
5366 (save-window-excursion
5367 (pop-to-buffer gnus-article-current-summary 'norecord)
5368 ;; We disable the pick minor mode commands.
5369 (let (gnus-pick-mode)
5370 (setq func (lookup-key (current-local-map) keys))))
5374 (unless (member keys nosave-in-article)
5375 (set-buffer gnus-article-current-summary))
5376 (call-interactively func)
5377 (setq new-sum-point (point)))
5378 (when (member keys nosave-but-article)
5379 (pop-to-buffer gnus-article-buffer 'norecord)))
5380 ;; These commands should restore window configuration.
5381 (let ((obuf (current-buffer))
5382 (owin (current-window-configuration))
5384 win func in-buffer selected new-sum-start new-sum-hscroll)
5385 (cond (not-restore-window
5386 (pop-to-buffer gnus-article-current-summary 'norecord))
5387 ((setq win (get-buffer-window gnus-article-current-summary))
5388 (select-window win))
5390 (switch-to-buffer gnus-article-current-summary 'norecord)))
5391 (setq in-buffer (current-buffer))
5392 ;; We disable the pick minor mode commands.
5393 (if (and (setq func (let (gnus-pick-mode)
5394 (lookup-key (current-local-map) keys)))
5397 (call-interactively func)
5398 (when (eq win (selected-window))
5399 (setq new-sum-point (point)
5400 new-sum-start (window-start win)
5401 new-sum-hscroll (window-hscroll win)))
5402 (when (eq in-buffer (current-buffer))
5403 (setq selected (gnus-summary-select-article))
5405 (unless not-restore-window
5406 (set-window-configuration owin))
5407 (when (eq selected 'old)
5409 (set-window-start (get-buffer-window (current-buffer))
5411 (set-window-point (get-buffer-window (current-buffer))
5413 (when (and (not not-restore-window)
5415 (set-window-point win new-sum-point)
5416 (set-window-start win new-sum-start)
5417 (set-window-hscroll win new-sum-hscroll))))
5418 (set-window-configuration owin)
5421 (defun gnus-article-describe-key (key)
5422 "Display documentation of the function invoked by KEY. KEY is a string."
5423 (interactive "kDescribe key: ")
5424 (gnus-article-check-buffer)
5425 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5427 (set-buffer gnus-article-current-summary)
5428 (let (gnus-pick-mode)
5429 (if (featurep 'xemacs)
5431 (push (elt key 0) unread-command-events)
5432 (setq key (events-to-keys
5433 (read-key-sequence "Describe key: "))))
5434 (setq unread-command-events
5436 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5437 (string-to-list key)))
5438 (setq key (read-key-sequence "Describe key: "))))
5440 (describe-key key)))
5442 (defun gnus-article-describe-key-briefly (key &optional insert)
5443 "Display documentation of the function invoked by KEY. KEY is a string."
5444 (interactive "kDescribe key: \nP")
5445 (gnus-article-check-buffer)
5446 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5448 (set-buffer gnus-article-current-summary)
5449 (let (gnus-pick-mode)
5450 (if (featurep 'xemacs)
5452 (push (elt key 0) unread-command-events)
5453 (setq key (events-to-keys
5454 (read-key-sequence "Describe key: "))))
5455 (setq unread-command-events
5457 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5458 (string-to-list key)))
5459 (setq key (read-key-sequence "Describe key: "))))
5460 (describe-key-briefly key insert))
5461 (describe-key-briefly key insert)))
5463 (defun gnus-article-reply-with-original (&optional wide)
5464 "Start composing a reply mail to the current message.
5465 The text in the region will be yanked. If the region isn't active,
5466 the entire article will be yanked."
5468 (let ((article (cdr gnus-article-current))
5470 (if (not (gnus-mark-active-p))
5471 (with-current-buffer gnus-summary-buffer
5472 (gnus-summary-reply (list (list article)) wide))
5473 (setq contents (buffer-substring (point) (mark t)))
5474 ;; Deactivate active regions.
5475 (when (and (boundp 'transient-mark-mode)
5476 transient-mark-mode)
5477 (setq mark-active nil))
5478 (with-current-buffer gnus-summary-buffer
5480 (list (list article contents)) wide)))))
5482 (defun gnus-article-followup-with-original ()
5483 "Compose a followup to the current article.
5484 The text in the region will be yanked. If the region isn't active,
5485 the entire article will be yanked."
5487 (let ((article (cdr gnus-article-current))
5489 (if (not (gnus-mark-active-p))
5490 (with-current-buffer gnus-summary-buffer
5491 (gnus-summary-followup (list (list article))))
5492 (setq contents (buffer-substring (point) (mark t)))
5493 ;; Deactivate active regions.
5494 (when (and (boundp 'transient-mark-mode)
5495 transient-mark-mode)
5496 (setq mark-active nil))
5497 (with-current-buffer gnus-summary-buffer
5498 (gnus-summary-followup
5499 (list (list article contents)))))))
5501 (defun gnus-article-hide (&optional arg force)
5502 "Hide all the gruft in the current article.
5503 This means that signatures, cited text and (some) headers will be
5505 If given a prefix, show the hidden text instead."
5506 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5507 (gnus-article-hide-headers arg)
5508 (gnus-article-hide-list-identifiers arg)
5509 (gnus-article-hide-citation-maybe arg force)
5510 (gnus-article-hide-signature arg))
5512 (defun gnus-article-maybe-highlight ()
5513 "Do some article highlighting if article highlighting is requested."
5514 (when (gnus-visual-p 'article-highlight 'highlight)
5515 (gnus-article-highlight-some)))
5517 (defun gnus-check-group-server ()
5518 ;; Make sure the connection to the server is alive.
5519 (unless (gnus-server-opened
5520 (gnus-find-method-for-group gnus-newsgroup-name))
5521 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5522 (gnus-request-group gnus-newsgroup-name t)))
5525 (autoload 'nneething-get-file-name "nneething"))
5527 (defun gnus-request-article-this-buffer (article group)
5528 "Get an article and insert it into this buffer."
5529 (let (do-update-line sparse-header)
5533 (gnus-kill-all-overlays)
5534 (setq group (or group gnus-newsgroup-name))
5536 ;; Using `gnus-request-article' directly will insert the article into
5537 ;; `nntp-server-buffer' - so we'll save some time by not having to
5538 ;; copy it from the server buffer into the article buffer.
5540 ;; We only request an article by message-id when we do not have the
5541 ;; headers for it, so we'll have to get those.
5542 (when (stringp article)
5543 (gnus-read-header article))
5545 ;; If the article number is negative, that means that this article
5546 ;; doesn't belong in this newsgroup (possibly), so we find its
5547 ;; message-id and request it by id instead of number.
5548 (when (and (numberp article)
5550 (get-buffer gnus-summary-buffer)
5551 (gnus-buffer-exists-p gnus-summary-buffer))
5553 (set-buffer gnus-summary-buffer)
5554 (let ((header (gnus-summary-article-header article)))
5557 ((memq article gnus-newsgroup-sparse)
5558 ;; This is a sparse gap article.
5559 (setq do-update-line article)
5560 (setq article (mail-header-id header))
5561 (setq sparse-header (gnus-read-header article))
5562 (setq gnus-newsgroup-sparse
5563 (delq article gnus-newsgroup-sparse)))
5565 ;; It's a real article.
5566 (setq article (mail-header-id header)))
5568 ;; It is an extracted pseudo-article.
5569 (setq article 'pseudo)
5570 (gnus-request-pseudo-article header))))
5572 (let ((method (gnus-find-method-for-group
5573 gnus-newsgroup-name)))
5574 (when (and (eq (car method) 'nneething)
5576 (let ((dir (nneething-get-file-name
5577 (mail-header-id header))))
5578 (when (and (stringp dir)
5579 (file-directory-p dir))
5580 (setq article 'nneething)
5581 (gnus-group-enter-directory dir))))))))
5584 ;; Refuse to select canceled articles.
5585 ((and (numberp article)
5587 (get-buffer gnus-summary-buffer)
5588 (gnus-buffer-exists-p gnus-summary-buffer)
5589 (eq (cdr (save-excursion
5590 (set-buffer gnus-summary-buffer)
5591 (assq article gnus-newsgroup-reads)))
5592 gnus-canceled-mark))
5594 ;; We first check `gnus-original-article-buffer'.
5595 ((and (get-buffer gnus-original-article-buffer)
5598 (set-buffer gnus-original-article-buffer)
5599 (and (equal (car gnus-original-article) group)
5600 (eq (cdr gnus-original-article) article))))
5601 (insert-buffer-substring gnus-original-article-buffer)
5603 ;; Check the backlog.
5604 ((and gnus-keep-backlog
5605 (gnus-backlog-request-article group article (current-buffer)))
5607 ;; Check asynchronous pre-fetch.
5608 ((gnus-async-request-fetched-article group article (current-buffer))
5609 (gnus-async-prefetch-next group article gnus-summary-buffer)
5610 (when (and (numberp article) gnus-keep-backlog)
5611 (gnus-backlog-enter-article group article (current-buffer)))
5614 ((and gnus-use-cache
5616 (gnus-cache-request-article article group))
5618 ;; Check the agent cache.
5619 ((gnus-agent-request-article article group)
5621 ;; Get the article and put into the article buffer.
5622 ((or (stringp article)
5624 (let ((gnus-override-method gnus-override-method)
5625 (methods (and (stringp article)
5626 gnus-refer-article-method))
5627 (backend (car (gnus-find-method-for-group
5628 gnus-newsgroup-name)))
5630 (inhibit-read-only t))
5631 (if (or (not (listp methods))
5632 (and (symbolp (car methods))
5633 (assq (car methods) nnoo-definition-alist)))
5634 (setq methods (list methods)))
5635 (when (and (null gnus-override-method)
5637 (setq gnus-override-method (pop methods)))
5639 (when (eq gnus-override-method 'current)
5640 (setq gnus-override-method
5641 (with-current-buffer gnus-summary-buffer
5642 gnus-current-select-method)))
5644 (gnus-kill-all-overlays)
5645 (let ((gnus-newsgroup-name group))
5646 (gnus-check-group-server))
5648 ((gnus-request-article article group (current-buffer))
5649 (when (numberp article)
5650 (gnus-async-prefetch-next group article
5651 gnus-summary-buffer)
5652 (when gnus-keep-backlog
5653 (gnus-backlog-enter-article
5654 group article (current-buffer))))
5655 (setq result 'article))
5657 (setq gnus-override-method (pop methods)))
5658 ((not (string-match "^400 "
5659 (nnheader-get-report backend)))
5660 ;; If we get 400 server disconnect, reconnect and
5661 ;; retry; otherwise, assume the article has expired.
5662 (setq result 'done))))
5663 (and (eq result 'article) 'article)))
5667 ;; Associate this article with the current summary buffer.
5668 (setq gnus-article-current-summary gnus-summary-buffer)
5670 ;; Take the article from the original article buffer
5671 ;; and place it in the buffer it's supposed to be in.
5672 (when (and (get-buffer gnus-article-buffer)
5673 (equal (buffer-name (current-buffer))
5674 (buffer-name (get-buffer gnus-article-buffer))))
5676 (if (get-buffer gnus-original-article-buffer)
5677 (set-buffer gnus-original-article-buffer)
5678 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5679 (buffer-disable-undo)
5680 (setq major-mode 'gnus-original-article-mode)
5681 (setq buffer-read-only t))
5682 (let ((inhibit-read-only t))
5684 (insert-buffer-substring gnus-article-buffer))
5685 (setq gnus-original-article (cons group article)))
5688 (run-hooks 'gnus-article-decode-hook)
5689 ;; Mark article as decoded or not.
5690 (setq gnus-article-decoded-p gnus-article-decode-hook))
5692 ;; Update sparse articles.
5693 (when (and do-update-line
5694 (or (numberp article)
5696 (let ((buf (current-buffer)))
5697 (set-buffer gnus-summary-buffer)
5698 (gnus-summary-update-article do-update-line sparse-header)
5699 (gnus-summary-goto-subject do-update-line nil t)
5700 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5702 (set-buffer buf))))))
5708 (defcustom gnus-article-edit-mode-hook nil
5709 "Hook run in article edit mode buffers."
5710 :group 'gnus-article-various
5713 (defvar gnus-article-edit-done-function nil)
5715 (defvar gnus-article-edit-mode-map nil)
5716 (defvar gnus-article-edit-mode nil)
5718 ;; Should we be using derived.el for this?
5719 (unless gnus-article-edit-mode-map
5720 (setq gnus-article-edit-mode-map (make-keymap))
5721 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5723 (gnus-define-keys gnus-article-edit-mode-map
5724 "\C-c?" describe-mode
5725 "\C-c\C-c" gnus-article-edit-done
5726 "\C-c\C-k" gnus-article-edit-exit
5727 "\C-c\C-f\C-t" message-goto-to
5728 "\C-c\C-f\C-o" message-goto-from
5729 "\C-c\C-f\C-b" message-goto-bcc
5730 ;;"\C-c\C-f\C-w" message-goto-fcc
5731 "\C-c\C-f\C-c" message-goto-cc
5732 "\C-c\C-f\C-s" message-goto-subject
5733 "\C-c\C-f\C-r" message-goto-reply-to
5734 "\C-c\C-f\C-n" message-goto-newsgroups
5735 "\C-c\C-f\C-d" message-goto-distribution
5736 "\C-c\C-f\C-f" message-goto-followup-to
5737 "\C-c\C-f\C-m" message-goto-mail-followup-to
5738 "\C-c\C-f\C-k" message-goto-keywords
5739 "\C-c\C-f\C-u" message-goto-summary
5740 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5741 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5742 "\C-c\C-b" message-goto-body
5743 "\C-c\C-i" message-goto-signature
5745 "\C-c\C-t" message-insert-to
5746 "\C-c\C-n" message-insert-newsgroups
5747 "\C-c\C-o" message-sort-headers
5748 "\C-c\C-e" message-elide-region
5749 "\C-c\C-v" message-delete-not-region
5750 "\C-c\C-z" message-kill-to-signature
5751 "\M-\r" message-newline-and-reformat
5752 "\C-c\C-a" mml-attach-file
5753 "\C-a" message-beginning-of-line
5755 "\M-;" comment-region)
5757 (gnus-define-keys (gnus-article-edit-wash-map
5758 "\C-c\C-w" gnus-article-edit-mode-map)
5759 "f" gnus-article-edit-full-stops))
5762 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5764 ["Fetch To" message-insert-to t]
5765 ["Fetch Newsgroups" message-insert-newsgroups t]
5767 ["To" message-goto-to t]
5768 ["From" message-goto-from t]
5769 ["Subject" message-goto-subject t]
5770 ["Cc" message-goto-cc t]
5771 ["Reply-To" message-goto-reply-to t]
5772 ["Summary" message-goto-summary t]
5773 ["Keywords" message-goto-keywords t]
5774 ["Newsgroups" message-goto-newsgroups t]
5775 ["Followup-To" message-goto-followup-to t]
5776 ["Mail-Followup-To" message-goto-mail-followup-to t]
5777 ["Distribution" message-goto-distribution t]
5778 ["Body" message-goto-body t]
5779 ["Signature" message-goto-signature t]))
5781 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5782 "Major mode for editing articles.
5783 This is an extended text-mode.
5785 \\{gnus-article-edit-mode-map}"
5786 (make-local-variable 'gnus-article-edit-done-function)
5787 (make-local-variable 'gnus-prev-winconf)
5788 (set (make-local-variable 'font-lock-defaults)
5789 '(message-font-lock-keywords t))
5790 (set (make-local-variable 'mail-header-separator) "")
5791 (set (make-local-variable 'gnus-article-edit-mode) t)
5792 (easy-menu-add message-mode-field-menu message-mode-map)
5794 (setq buffer-read-only nil)
5795 (buffer-enable-undo)
5798 (defun gnus-article-edit (&optional force)
5799 "Edit the current article.
5800 This will have permanent effect only in mail groups.
5801 If FORCE is non-nil, allow editing of articles even in read-only
5804 (when (and (not force)
5805 (gnus-group-read-only-p))
5806 (error "The current newsgroup does not support article editing"))
5807 (gnus-article-date-original)
5808 (gnus-article-edit-article
5810 `(lambda (no-highlight)
5812 (gnus-summary-edit-article-done
5813 ,(or (mail-header-references gnus-current-headers) "")
5814 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5816 (defun gnus-article-edit-article (start-func exit-func)
5817 "Start editing the contents of the current article buffer."
5818 (let ((winconf (current-window-configuration)))
5819 (set-buffer gnus-article-buffer)
5820 (let ((message-auto-save-directory
5821 ;; Don't associate the article buffer with a draft file.
5823 (gnus-article-edit-mode))
5824 (funcall start-func)
5825 (set-buffer-modified-p nil)
5826 (gnus-configure-windows 'edit-article)
5827 (setq gnus-article-edit-done-function exit-func)
5828 (setq gnus-prev-winconf winconf)
5829 (gnus-message 6 "C-c C-c to end edits")))
5831 (defun gnus-article-edit-done (&optional arg)
5832 "Update the article edits and exit."
5834 (let ((func gnus-article-edit-done-function)
5835 (buf (current-buffer))
5836 (start (window-start))
5838 (winconf gnus-prev-winconf))
5839 (widen) ;; Widen it in case that users narrowed the buffer.
5842 ;; The cache and backlog have to be flushed somewhat.
5843 (when gnus-keep-backlog
5844 (gnus-backlog-remove-article
5845 (car gnus-article-current) (cdr gnus-article-current)))
5846 ;; Flush original article as well.
5848 (when (get-buffer gnus-original-article-buffer)
5849 (set-buffer gnus-original-article-buffer)
5850 (setq gnus-original-article nil)))
5851 (when gnus-use-cache
5852 (gnus-cache-update-article
5853 (car gnus-article-current) (cdr gnus-article-current)))
5854 ;; We remove all text props from the article buffer.
5855 (kill-all-local-variables)
5856 (gnus-set-text-properties (point-min) (point-max) nil)
5858 (set-window-configuration winconf)
5860 (set-window-start (get-buffer-window buf) start)
5861 (set-window-point (get-buffer-window buf) (point)))
5862 (gnus-summary-show-article))
5864 (defun gnus-article-edit-exit ()
5865 "Exit the article editing without updating."
5867 (when (or (not (buffer-modified-p))
5868 (yes-or-no-p "Article modified; kill anyway? "))
5869 (let ((curbuf (current-buffer))
5871 (window-start (window-start)))
5873 (if (gnus-buffer-live-p gnus-original-article-buffer)
5874 (insert-buffer-substring gnus-original-article-buffer))
5875 (let ((winconf gnus-prev-winconf))
5876 (kill-all-local-variables)
5878 (set-window-configuration winconf)
5879 ;; Tippy-toe some to make sure that point remains where it was.
5880 (save-current-buffer
5882 (set-window-start (get-buffer-window (current-buffer)) window-start)
5884 (gnus-summary-show-article)))
5886 (defun gnus-article-edit-full-stops ()
5887 "Interactively repair spacing at end of sentences."
5890 (goto-char (point-min))
5891 (search-forward-regexp "^$" nil t)
5892 (let ((case-fold-search nil))
5893 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5896 ;;; Article highlights
5899 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5901 ;;; Internal Variables:
5903 (defcustom gnus-button-url-regexp
5904 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5905 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
5906 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
5907 "Regular expression that matches URLs."
5908 :group 'gnus-article-buttons
5911 (defcustom gnus-button-valid-fqdn-regexp
5912 message-valid-fqdn-regexp
5913 "Regular expression that matches a valid FQDN."
5915 :group 'gnus-article-buttons
5918 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
5919 (defcustom gnus-button-valid-localpart-regexp
5920 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*"
5921 "Regular expression that matches a localpart of mail addresses or MIDs."
5923 :group 'gnus-article-buttons
5926 (defcustom gnus-button-man-handler 'manual-entry
5927 "Function to use for displaying man pages.
5928 The function must take at least one argument with a string naming the
5931 :type '(choice (function-item :tag "Man" manual-entry)
5932 (function-item :tag "Woman" woman)
5933 (function :tag "Other"))
5934 :group 'gnus-article-buttons)
5936 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
5937 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
5938 If the default site is too slow, try to find a CTAN mirror, see
5939 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
5940 the variable `gnus-button-handle-ctan'."
5942 :group 'gnus-article-buttons
5943 :link '(custom-manual "(gnus)Group Parameters")
5944 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
5945 (const "http://tug.ctan.org/tex-archive/")
5946 (const "http://www.dante.de/CTAN/")
5947 (string :tag "Other")))
5949 (defcustom gnus-button-ctan-handler 'browse-url
5950 "Function to use for displaying CTAN links.
5951 The function must take one argument, the string naming the URL."
5953 :type '(choice (function-item :tag "Browse Url" browse-url)
5954 (function :tag "Other"))
5955 :group 'gnus-article-buttons)
5957 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
5958 "Bogus strings removed from CTAN URLs."
5960 :group 'gnus-article-buttons
5961 :type '(choice (const "^/?tex-archive/\\|/")
5962 (regexp :tag "Other")))
5964 (defcustom gnus-button-ctan-directory-regexp
5966 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
5967 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
5968 "languages" "macros" "nonfree" "obsolete" "support" "systems"
5969 "tds" "tools" "usergrps" "web") t)
5970 "Regular expression for ctan directories.
5971 It should match all directories in the top level of `gnus-ctan-url'."
5973 :group 'gnus-article-buttons
5976 (defcustom gnus-button-mid-or-mail-regexp
5977 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
5978 gnus-button-valid-fqdn-regexp
5980 "Regular expression that matches a message ID or a mail address."
5982 :group 'gnus-article-buttons
5985 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
5986 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
5987 Strings like this can be either a message ID or a mail address. If it is one
5988 of the symbols `mid' or `mail', Gnus will always assume that the string is a
5989 message ID or a mail address, respectively. If this variable is set to the
5990 symbol `ask', always query the user what do do. If it is a function, this
5991 function will be called with the string as it's only argument. The function
5992 must return `mid', `mail', `invalid' or `ask'."
5994 :group 'gnus-article-buttons
5995 :type '(choice (function-item :tag "Heuristic function"
5996 gnus-button-mid-or-mail-heuristic)
6001 (defcustom gnus-button-mid-or-mail-heuristic-alist
6002 '((-10.0 . ".+\\$.+@")
6005 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6006 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6007 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6008 (-1.0 . "^[^a-z]+@")
6010 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6011 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6012 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6013 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6016 (-1.0 . "^[0-9][0-9]")
6018 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6019 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6020 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6021 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6023 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6024 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6027 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6029 ;; compensation for TDMA dated mail addresses:
6030 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6032 (-20.0 . "\\.fsf@") ;; Gnus
6035 (-20.0 . "_-_") ;; Subject change in thread
6037 (-20.0 . "\\.ln@") ;; leafnode
6038 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6039 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6041 ;; (5.0 . "") ;; $local_part_len <= 7
6042 (10.0 . "^[^0-9]+@")
6043 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6044 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6047 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6049 (0.5 . "^[A-Z][a-z]")
6050 (0.5 . "^[A-Z][a-z][a-z]")
6051 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6052 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6053 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6055 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6056 address. The REGEXP is processed with `case-fold-search' set to nil."
6058 :group 'gnus-article-buttons
6059 :type '(repeat (cons (number :tag "Rate")
6060 (regexp :tag "Regexp"))))
6062 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6063 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6064 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6065 address, `ask' if unsure and `invalid' if the string is invalid."
6066 (let ((case-fold-search nil)
6067 (list gnus-button-mid-or-mail-heuristic-alist)
6068 (result 0) rate regexp lpartlen elem)
6070 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6071 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6072 ;; Certain special cases...
6075 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6076 "^[0-9]+\\.[0-9]+@compuserve\\|"
6077 "@public\\.gmane\\.org")
6079 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6080 (setq result 'mail))
6081 (when (string-match "@.*@\\| " mid-or-mail)
6082 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6083 (setq result 'invalid))
6084 ;; Nothing more to do, if result is not a number here...
6085 (when (numberp result)
6087 (setq elem (car list)
6091 (when (string-match regexp mid-or-mail)
6092 (setq result (+ result rate))
6094 9 "`%s' matched `%s', rate `%s', result `%s'."
6095 mid-or-mail regexp rate result)))
6096 (when (<= lpartlen 7)
6097 (setq result (+ result 5.0))
6098 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6099 mid-or-mail result))
6100 (when (>= lpartlen 12)
6101 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6103 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6104 ;; Long local part should contain realname if e-mail address,
6105 ;; too many digits: message-id.
6106 ;; $score -= 5.0 + 0.1 * $local_part_len;
6107 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6108 (setq result (+ result rate))
6110 9 "Many digits in `%s', rate `%s', result `%s'."
6111 mid-or-mail rate result))
6112 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6114 ;; Too few vowels [^aeiouy]{4,}.*\@
6115 (setq result (+ result -5.0))
6117 9 "Few vowels in `%s', rate `%s', result `%s'."
6118 mid-or-mail -5.0 result))
6120 (setq result (+ result 5.0))
6122 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6123 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6124 ;; Maybe we should make this a customizable alist: (condition . 'result)
6126 ((symbolp result) result)
6127 ;; Now convert number into proper results:
6128 ((< result -10.0) 'mid)
6129 ((> result 10.0) 'mail)
6132 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6133 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6134 (url-mid (concat "news" ":" mid-or-mail))
6135 (url-mailto (concat "mailto" ":" mid-or-mail)))
6136 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6137 (when (fboundp pref)
6139 ;; get rid of surrounding angles...
6141 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6142 (if (or (eq 'mid guessed) (eq 'mail guessed))
6146 (save-window-excursion
6147 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6150 (cond ((eq pref 'mid)
6151 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6152 (gnus-button-handle-news url-mid))
6154 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6155 (gnus-url-mailto url-mailto))
6156 (t (gnus-message 3 "Invalid string.")))))
6158 (defun gnus-button-handle-custom (url)
6159 "Follow a Custom URL."
6160 (customize-apropos (gnus-url-unhex-string url)))
6162 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6164 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6167 (defun gnus-button-handle-describe-function (url)
6168 "Call `describe-function' when pushing the corresponding URL button."
6171 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6173 (defun gnus-button-handle-describe-variable (url)
6174 "Call `describe-variable' when pushing the corresponding URL button."
6177 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6179 (defun gnus-button-handle-symbol (url)
6180 "Display help on variable or function.
6181 Calls `describe-variable' or `describe-function'."
6182 (let ((sym (intern url)))
6184 ((fboundp sym) (describe-function sym))
6185 ((boundp sym) (describe-variable sym))
6186 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6188 (defun gnus-button-handle-describe-key (url)
6189 "Call `describe-key' when pushing the corresponding URL button."
6191 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6192 (keys (ignore-errors (eval `(kbd ,key-string)))))
6195 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6197 (defun gnus-button-handle-apropos (url)
6198 "Call `apropos' when pushing the corresponding URL button."
6199 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6201 (defun gnus-button-handle-apropos-command (url)
6202 "Call `apropos' when pushing the corresponding URL button."
6204 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6206 (defun gnus-button-handle-apropos-variable (url)
6207 "Call `apropos' when pushing the corresponding URL button."
6209 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6210 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6212 (defun gnus-button-handle-apropos-documentation (url)
6213 "Call `apropos' when pushing the corresponding URL button."
6215 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6216 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6218 (defun gnus-button-handle-library (url)
6219 "Call `locate-library' when pushing the corresponding URL button."
6220 (gnus-message 9 "url=`%s'" url)
6221 (let* ((lib (locate-library url))
6222 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6224 (gnus-message 1 "Cannot locale library `%s'." url)
6225 (find-file-read-only file))))
6227 (defun gnus-button-handle-ctan (url)
6228 "Call `browse-url' when pushing a CTAN URL button."
6230 gnus-button-ctan-handler
6233 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6235 (defcustom gnus-button-tex-level 5
6236 "*Integer that says how many TeX-related buttons Gnus will show.
6237 The higher the number, the more buttons will appear and the more false
6238 positives are possible. Note that you can set this variable local to
6239 specific groups. Setting it higher in TeX groups is probably a good idea.
6240 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6241 how to set variables in specific groups."
6243 :group 'gnus-article-buttons
6244 :link '(custom-manual "(gnus)Group Parameters")
6247 (defcustom gnus-button-man-level 5
6248 "*Integer that says how many man-related buttons Gnus will show.
6249 The higher the number, the more buttons will appear and the more false
6250 positives are possible. Note that you can set this variable local to
6251 specific groups. Setting it higher in Unix groups is probably a good idea.
6252 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6253 how to set variables in specific groups."
6255 :group 'gnus-article-buttons
6256 :link '(custom-manual "(gnus)Group Parameters")
6259 (defcustom gnus-button-emacs-level 5
6260 "*Integer that says how many emacs-related buttons Gnus will show.
6261 The higher the number, the more buttons will appear and the more false
6262 positives are possible. Note that you can set this variable local to
6263 specific groups. Setting it higher in Emacs or Gnus related groups is
6264 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6265 `gnus-parameters' on how to set variables in specific groups."
6267 :group 'gnus-article-buttons
6268 :link '(custom-manual "(gnus)Group Parameters")
6271 (defcustom gnus-button-message-level 5
6272 "*Integer that says how many buttons for news or mail messages will appear.
6273 The higher the number, the more buttons will appear and the more false
6274 positives are possible."
6275 ;; mail addresses, MIDs, URLs for news, ...
6277 :group 'gnus-article-buttons
6280 (defcustom gnus-button-browse-level 5
6281 "*Integer that says how many buttons for browsing will appear.
6282 The higher the number, the more buttons will appear and the more false
6283 positives are possible."
6284 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6286 :group 'gnus-article-buttons
6289 (defcustom gnus-button-alist
6290 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6291 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6292 ((concat "\\b\\(nntp\\|news\\):\\("
6293 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6294 0 t gnus-button-handle-news 2)
6295 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6296 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6297 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6298 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6299 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6300 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6301 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6302 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6303 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6304 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6305 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6306 ;; RFC 2368 (The mailto URL scheme)
6307 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6308 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6309 ("\\bmailto:\\([^ \n\t]+\\)"
6310 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6312 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6313 gnus-button-ctan-directory-regexp
6314 "[^][>)!;:,'\n\t ]+\\)")
6315 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6316 ((concat "\\btex-archive/\\("
6317 gnus-button-ctan-directory-regexp
6318 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6319 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6322 gnus-button-ctan-directory-regexp
6323 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6324 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6325 ;; This is info (home-grown style) <info://foo/bar+baz>
6326 ("\\binfo://\\([^'\">\n\t ]+\\)"
6327 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6328 ;; Info GNOME style <info:foo#bar_baz>
6329 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6330 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6331 ;; Info KDE style <info:(foo)bar baz>
6332 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6333 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6334 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6335 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6336 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6337 ;; Info links like `C-h i d m CC Mode RET'
6338 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6340 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6341 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6342 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6343 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6344 ;; Emacs help commands
6345 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6346 ;; regexp doesn't match arguments containing ` '.
6347 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6348 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6349 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6350 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6351 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6352 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6353 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6354 ;; The following entries may lead to many false positives so don't enable
6355 ;; them by default (use a high button level).
6356 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6357 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6358 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6359 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6360 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6361 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6362 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6363 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6364 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6365 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6366 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6367 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6368 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6369 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6370 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6371 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6372 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6373 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6374 ;; Unlike the other regexps we really have to require quoting
6375 ;; here to determine where it ends.
6376 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6377 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6378 ("<URL: *\\([^<>]*\\)>"
6379 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6380 ;; RFC 2396 (2.4.3., delims) ...
6381 ("\"URL: *\\([^\"]*\\)\""
6382 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6383 ;; RFC 2396 (2.4.3., delims) ...
6384 ("\"URL: *\\([^\"]*\\)\""
6385 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6387 (gnus-button-url-regexp
6388 0 (>= gnus-button-browse-level 0) browse-url 0)
6390 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6391 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6392 gnus-button-handle-man 1)
6393 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6394 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6395 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6396 gnus-button-handle-man 1)
6397 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6398 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6399 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6400 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6401 ;; MID or mail: To avoid too many false positives we don't try to catch
6402 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6403 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6404 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6405 ;; so that non-ambiguous entries (see above) match first.
6406 (gnus-button-mid-or-mail-regexp
6407 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6408 "*Alist of regexps matching buttons in article bodies.
6410 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6411 REGEXP: is the string (case insensitive) matching text around the button (can
6412 also be Lisp expression evaluating to a string),
6413 BUTTON: is the number of the regexp grouping actually matching the button,
6414 FORM: is a Lisp expression which must eval to true for the button to
6416 CALLBACK: is the function to call when the user push this button, and each
6417 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6419 CALLBACK can also be a variable, in that case the value of that
6420 variable it the real callback function."
6421 :group 'gnus-article-buttons
6422 :type '(repeat (list (choice regexp variable sexp)
6423 (integer :tag "Button")
6425 (function :tag "Callback")
6428 (integer :tag "Regexp group")))))
6430 (defcustom gnus-header-button-alist
6431 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6432 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6433 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6434 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6435 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6436 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6437 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6438 0 (>= gnus-button-browse-level 0) browse-url 0)
6439 ("^Subject:" gnus-button-url-regexp
6440 0 (>= gnus-button-browse-level 0) browse-url 0)
6441 ("^[^:]+:" gnus-button-url-regexp
6442 0 (>= gnus-button-browse-level 0) browse-url 0)
6443 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6444 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6445 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6446 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6447 "*Alist of headers and regexps to match buttons in article heads.
6449 This alist is very similar to `gnus-button-alist', except that each
6450 alist has an additional HEADER element first in each entry:
6452 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6454 HEADER is a regexp to match a header. For a fuller explanation, see
6455 `gnus-button-alist'."
6456 :group 'gnus-article-buttons
6457 :group 'gnus-article-headers
6458 :type '(repeat (list (regexp :tag "Header")
6459 (choice regexp variable)
6460 (integer :tag "Button")
6462 (function :tag "Callback")
6465 (integer :tag "Regexp group")))))
6467 (defvar gnus-button-regexp nil)
6468 (defvar gnus-button-marker-list nil)
6469 ;; Regexp matching any of the regexps from `gnus-button-alist'.
6471 (defvar gnus-button-last nil)
6472 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
6476 (defun gnus-article-push-button (event)
6477 "Check text under the mouse pointer for a callback function.
6478 If the text under the mouse pointer has a `gnus-callback' property,
6479 call it with the value of the `gnus-data' text property."
6481 (set-buffer (window-buffer (posn-window (event-start event))))
6482 (let* ((pos (posn-point (event-start event)))
6483 (data (get-text-property pos 'gnus-data))
6484 (fun (get-text-property pos 'gnus-callback)))
6487 (funcall fun data))))
6489 (defun gnus-article-press-button ()
6490 "Check text at point for a callback function.
6491 If the text at point has a `gnus-callback' property,
6492 call it with the value of the `gnus-data' text property."
6494 (let ((data (get-text-property (point) 'gnus-data))
6495 (fun (get-text-property (point) 'gnus-callback)))
6497 (funcall fun data))))
6499 (defun gnus-article-highlight (&optional force)
6500 "Highlight current article.
6501 This function calls `gnus-article-highlight-headers',
6502 `gnus-article-highlight-citation',
6503 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6504 do the highlighting. See the documentation for those functions."
6505 (interactive (list 'force))
6506 (gnus-article-highlight-headers)
6507 (gnus-article-highlight-citation force)
6508 (gnus-article-highlight-signature)
6509 (gnus-article-add-buttons force)
6510 (gnus-article-add-buttons-to-head))
6512 (defun gnus-article-highlight-some (&optional force)
6513 "Highlight current article.
6514 This function calls `gnus-article-highlight-headers',
6515 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6516 do the highlighting. See the documentation for those functions."
6517 (interactive (list 'force))
6518 (gnus-article-highlight-headers)
6519 (gnus-article-highlight-signature)
6520 (gnus-article-add-buttons))
6522 (defun gnus-article-highlight-headers ()
6523 "Highlight article headers as specified by `gnus-header-face-alist'."
6526 (set-buffer gnus-article-buffer)
6528 (let ((alist gnus-header-face-alist)
6529 (inhibit-read-only t)
6530 (case-fold-search t)
6531 (inhibit-point-motion-hooks t)
6532 entry regexp header-face field-face from hpoints fpoints)
6533 (article-narrow-to-head)
6534 (while (setq entry (pop alist))
6535 (goto-char (point-min))
6536 (setq regexp (concat "^\\("
6537 (if (string-equal "" (nth 0 entry))
6541 header-face (nth 1 entry)
6542 field-face (nth 2 entry))
6543 (while (and (re-search-forward regexp nil t)
6547 (unless (search-forward ":" nil t)
6549 (when (and header-face
6550 (not (memq (point) hpoints)))
6551 (push (point) hpoints)
6552 (gnus-put-text-property from (point) 'face header-face))
6553 (when (and field-face
6554 (not (memq (setq from (point)) fpoints)))
6556 (if (re-search-forward "^[^ \t]" nil t)
6558 (goto-char (point-max)))
6559 (gnus-put-text-property from (point) 'face field-face))))))))
6561 (defun gnus-article-highlight-signature ()
6562 "Highlight the signature in an article.
6563 It does this by highlighting everything after
6564 `gnus-signature-separator' using the face `gnus-signature'."
6567 (set-buffer gnus-article-buffer)
6568 (let ((inhibit-read-only t)
6569 (inhibit-point-motion-hooks t))
6571 (when (and gnus-signature-face
6572 (gnus-article-narrow-to-signature))
6573 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6574 'face gnus-signature-face)
6576 (gnus-article-search-signature)
6577 (let ((start (match-beginning 0))
6578 (end (set-marker (make-marker) (1+ (match-end 0)))))
6579 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6582 (defun gnus-button-in-region-p (b e prop)
6583 "Say whether PROP exists in the region."
6584 (text-property-not-all b e prop nil))
6586 (defun gnus-article-add-buttons (&optional force)
6587 "Find external references in the article and make buttons of them.
6588 \"External references\" are things like Message-IDs and URLs, as
6589 specified by `gnus-button-alist'."
6590 (interactive (list 'force))
6592 (set-buffer gnus-article-buffer)
6593 (let ((inhibit-read-only t)
6594 (inhibit-point-motion-hooks t)
6595 (case-fold-search t)
6596 (alist gnus-button-alist)
6598 ;; Remove all old markers.
6599 (let (marker entry new-list)
6600 (while (setq marker (pop gnus-button-marker-list))
6601 (if (or (< marker (point-min)) (>= marker (point-max)))
6602 (push marker new-list)
6604 (when (setq entry (gnus-button-entry))
6605 (put-text-property (match-beginning (nth 1 entry))
6606 (match-end (nth 1 entry))
6607 'gnus-callback nil))
6608 (set-marker marker nil)))
6609 (setq gnus-button-marker-list new-list))
6610 ;; We skip the headers.
6613 (while (setq entry (pop alist))
6614 (setq regexp (eval (car entry)))
6616 (while (re-search-forward regexp nil t)
6617 (let* ((start (and entry (match-beginning (nth 1 entry))))
6618 (end (and entry (match-end (nth 1 entry))))
6619 (from (match-beginning 0)))
6620 (when (and (or (eq t (nth 2 entry))
6621 (eval (nth 2 entry)))
6622 (not (gnus-button-in-region-p
6623 start end 'gnus-callback)))
6624 ;; That optional form returned non-nil, so we add the
6626 (gnus-article-add-button
6627 start end 'gnus-button-push
6628 (car (push (set-marker (make-marker) from)
6629 gnus-button-marker-list))))))))))
6631 ;; Add buttons to the head of an article.
6632 (defun gnus-article-add-buttons-to-head ()
6633 "Add buttons to the head of the article."
6636 (set-buffer gnus-article-buffer)
6638 (let ((inhibit-read-only t)
6639 (inhibit-point-motion-hooks t)
6640 (case-fold-search t)
6641 (alist gnus-header-button-alist)
6643 (article-narrow-to-head)
6645 ;; Each alist entry.
6646 (setq entry (car alist)
6648 (goto-char (point-min))
6649 (while (re-search-forward (car entry) nil t)
6650 ;; Each header matching the entry.
6651 (setq beg (match-beginning 0))
6652 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6653 (match-beginning 0))
6656 (while (re-search-forward (eval (nth 1 entry)) end t)
6657 ;; Each match within a header.
6658 (let* ((entry (cdr entry))
6659 (start (match-beginning (nth 1 entry)))
6660 (end (match-end (nth 1 entry)))
6661 (form (nth 2 entry)))
6662 (goto-char (match-end 0))
6664 (gnus-article-add-button
6665 start end (nth 3 entry)
6666 (buffer-substring (match-beginning (nth 4 entry))
6667 (match-end (nth 4 entry)))))))
6668 (goto-char end)))))))
6670 ;;; External functions:
6672 (defun gnus-article-add-button (from to fun &optional data)
6673 "Create a button between FROM and TO with callback FUN and data DATA."
6674 (when gnus-article-button-face
6675 (gnus-overlay-put (gnus-make-overlay from to)
6676 'face gnus-article-button-face))
6677 (gnus-add-text-properties
6679 (nconc (and gnus-article-mouse-face
6680 (list gnus-mouse-face-prop gnus-article-mouse-face))
6681 (list 'gnus-callback fun)
6682 (and data (list 'gnus-data data))))
6683 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6684 :button-keymap gnus-widget-button-keymap))
6686 ;;; Internal functions:
6688 (defun gnus-article-set-globals ()
6690 (set-buffer gnus-summary-buffer)
6691 (gnus-set-global-variables)))
6693 (defun gnus-signature-toggle (end)
6695 (set-buffer gnus-article-buffer)
6696 (let ((inhibit-read-only t)
6697 (inhibit-point-motion-hooks t))
6698 (if (text-property-any end (point-max) 'article-type 'signature)
6700 (gnus-delete-wash-type 'signature)
6701 (gnus-remove-text-properties-when
6702 'article-type 'signature end (point-max)
6703 (cons 'article-type (cons 'signature
6704 gnus-hidden-properties))))
6705 (gnus-add-wash-type 'signature)
6706 (gnus-add-text-properties-when
6707 'article-type nil end (point-max)
6708 (cons 'article-type (cons 'signature
6709 gnus-hidden-properties)))))
6710 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6711 (gnus-set-mode-line 'article))))
6713 (defun gnus-button-entry ()
6714 ;; Return the first entry in `gnus-button-alist' matching this place.
6715 (let ((alist gnus-button-alist)
6718 (setq entry (pop alist))
6719 (if (looking-at (eval (car entry)))
6724 (defun gnus-button-push (marker)
6725 ;; Push button starting at MARKER.
6728 (let* ((entry (gnus-button-entry))
6729 (inhibit-point-motion-hooks t)
6731 (args (mapcar (lambda (group)
6732 (let ((string (match-string group)))
6733 (gnus-set-text-properties
6734 0 (length string) nil string)
6741 (fboundp (symbol-value fun)))
6742 (apply (symbol-value fun) args))
6744 (gnus-message 1 "You must define `%S' to use this button"
6745 (cons fun args)))))))
6747 (defun gnus-parse-news-url (url)
6748 (let (scheme server port group message-id articles)
6751 (goto-char (point-min))
6752 (when (looking-at "\\([A-Za-z]+\\):")
6753 (setq scheme (match-string 1))
6754 (goto-char (match-end 0)))
6755 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
6756 (setq server (match-string 1))
6757 (setq port (if (stringp (match-string 3))
6758 (string-to-number (match-string 3))
6760 (goto-char (match-end 0)))
6763 ((looking-at "\\(.*@.*\\)")
6764 (setq message-id (match-string 1)))
6765 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6766 (setq group (match-string 1)
6767 articles (split-string (match-string 2) "-")))
6768 ((looking-at "\\([^/]+\\)/?")
6769 (setq group (match-string 1)))
6771 (error "Unknown news URL syntax"))))
6772 (list scheme server port group message-id articles)))
6774 (defun gnus-button-handle-news (url)
6776 (destructuring-bind (scheme server port group message-id articles)
6777 (gnus-parse-news-url url)
6781 (set-buffer gnus-summary-buffer)
6783 (let ((gnus-refer-article-method
6784 (nconc (list (list 'nntp server))
6785 gnus-refer-article-method))
6786 (nntp-port-number (or port "nntp")))
6787 (gnus-message 7 "Fetching %s with %s"
6788 message-id gnus-refer-article-method)
6789 (gnus-summary-refer-article message-id))
6790 (gnus-summary-refer-article message-id))))
6792 (gnus-button-fetch-group url)))))
6794 (defun gnus-button-handle-man (url)
6796 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6797 (when (eq gnus-button-man-handler 'woman)
6798 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
6799 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6800 (funcall gnus-button-man-handler url))
6802 (defun gnus-button-handle-info-url (url)
6803 "Fetch an info URL."
6804 (setq url (mm-subst-char-in-string ?+ ?\ url))
6806 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6807 (gnus-info-find-node
6808 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6810 ")" (gnus-url-unhex-string (match-string 2 url)))))
6811 ((string-match "([^)\"]+)[^\"]+" url)
6813 (gnus-replace-in-string
6814 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6815 (gnus-info-find-node url))
6816 (t (error "Can't parse %s" url))))
6818 (defun gnus-button-handle-info-url-gnome (url)
6819 "Fetch GNOME style info URL."
6820 (setq url (mm-subst-char-in-string ?_ ?\ url))
6821 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
6822 (gnus-info-find-node
6824 (gnus-url-unhex-string
6825 (match-string 1 url))
6827 (or (gnus-url-unhex-string
6828 (match-string 2 url))
6830 (error "Can't parse %s" url)))
6832 (defun gnus-button-handle-info-url-kde (url)
6833 "Fetch KDE style info URL."
6834 (gnus-info-find-node (gnus-url-unhex-string url)))
6836 (defun gnus-button-handle-info-keystrokes (url)
6837 "Call `info' when pushing the corresponding URL button."
6838 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6843 (defun gnus-button-message-id (message-id)
6846 (set-buffer gnus-summary-buffer)
6847 (gnus-summary-refer-article message-id)))
6849 (defun gnus-button-fetch-group (address)
6850 "Fetch GROUP specified by ADDRESS."
6851 (if (not (string-match "[:/]" address))
6852 ;; This is just a simple group url.
6853 (gnus-group-read-ephemeral-group address gnus-select-method)
6856 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6858 (error "Can't parse %s" address)
6859 (gnus-group-read-ephemeral-group
6860 (match-string 4 address)
6861 `(nntp ,(match-string 1 address)
6862 (nntp-address ,(match-string 1 address))
6863 (nntp-port-number ,(if (match-end 3)
6864 (match-string 3 address)
6867 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
6869 (defun gnus-url-parse-query-string (query &optional downcase)
6870 (let (retval pairs cur key val)
6871 (setq pairs (split-string query "&"))
6873 (setq cur (car pairs)
6875 (if (not (string-match "=" cur))
6877 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6878 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6880 (setq key (downcase key)))
6881 (setq cur (assoc key retval))
6883 (setcdr cur (cons val (cdr cur)))
6884 (setq retval (cons (list key val) retval)))))
6887 (defun gnus-url-mailto (url)
6888 ;; Send mail to someone
6889 (when (string-match "mailto:/*\\(.*\\)" url)
6890 (setq url (substring url (match-beginning 1) nil)))
6891 (let (to args subject func)
6892 (setq args (gnus-url-parse-query-string
6893 (if (string-match "^\\?" url)
6895 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
6896 (concat "to=" (match-string 1 url) "&"
6897 (match-string 2 url))
6898 (concat "to=" url)))
6900 subject (cdr-safe (assoc "subject" args)))
6903 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6906 (message-position-on-field (caar args)))
6907 (insert (gnus-replace-in-string
6908 (mapconcat 'identity (reverse (cdar args)) ", ")
6910 (setq args (cdr args)))
6913 (message-goto-subject))))
6915 (defun gnus-button-embedded-url (address)
6916 "Activate ADDRESS with `browse-url'."
6917 (browse-url (gnus-strip-whitespace address)))
6919 ;;; Next/prev buttons in the article buffer.
6921 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6922 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6924 (defvar gnus-prev-page-map
6925 (let ((map (make-sparse-keymap)))
6926 (unless (>= emacs-major-version 21)
6927 ;; XEmacs doesn't care.
6928 (set-keymap-parent map gnus-article-mode-map))
6929 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6930 (define-key map "\r" 'gnus-button-prev-page)
6933 (defvar gnus-next-page-map
6934 (let ((map (make-sparse-keymap)))
6935 (unless (>= emacs-major-version 21)
6936 ;; XEmacs doesn't care.
6937 (set-keymap-parent map gnus-article-mode-map))
6938 (define-key map gnus-mouse-2 'gnus-button-next-page)
6939 (define-key map "\r" 'gnus-button-next-page)
6942 (defun gnus-insert-prev-page-button ()
6944 (inhibit-read-only t))
6946 gnus-prev-page-line-format nil
6947 `(,@(gnus-local-map-property gnus-prev-page-map)
6949 gnus-callback gnus-article-button-prev-page
6950 article-type annotation))
6951 (widget-convert-button
6953 ;; Exclude a newline.
6956 :action 'gnus-button-prev-page
6957 :button-keymap gnus-prev-page-map)))
6959 (defun gnus-button-next-page (&optional args more-args)
6960 "Go to the next page."
6962 (let ((win (selected-window)))
6963 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6964 (gnus-article-next-page)
6965 (select-window win)))
6967 (defun gnus-button-prev-page (&optional args more-args)
6968 "Go to the prev page."
6970 (let ((win (selected-window)))
6971 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6972 (gnus-article-prev-page)
6973 (select-window win)))
6975 (defun gnus-insert-next-page-button ()
6977 (inhibit-read-only t))
6978 (gnus-eval-format gnus-next-page-line-format nil
6979 `(,@(gnus-local-map-property gnus-next-page-map)
6981 gnus-callback gnus-article-button-next-page
6982 article-type annotation))
6983 (widget-convert-button
6985 ;; Exclude a newline.
6988 :action 'gnus-button-next-page
6989 :button-keymap gnus-next-page-map)))
6991 (defun gnus-article-button-next-page (arg)
6992 "Go to the next page."
6994 (let ((win (selected-window)))
6995 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6996 (gnus-article-next-page)
6997 (select-window win)))
6999 (defun gnus-article-button-prev-page (arg)
7000 "Go to the prev page."
7002 (let ((win (selected-window)))
7003 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7004 (gnus-article-prev-page)
7005 (select-window win)))
7007 (defvar gnus-decode-header-methods
7008 '(mail-decode-encoded-word-region)
7009 "List of methods used to decode headers.
7011 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7012 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7013 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7014 whose names match REGEXP.
7017 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7018 mail-decode-encoded-word-region
7019 (\"chinese\" . rfc1843-decode-region))
7022 (defvar gnus-decode-header-methods-cache nil)
7024 (defun gnus-multi-decode-header (start end)
7025 "Apply the functions from `gnus-encoded-word-methods' that match."
7026 (unless (and gnus-decode-header-methods-cache
7027 (eq gnus-newsgroup-name
7028 (car gnus-decode-header-methods-cache)))
7029 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7032 (nconc gnus-decode-header-methods-cache (list x))
7033 (if (and gnus-newsgroup-name
7034 (string-match (car x) gnus-newsgroup-name))
7035 (nconc gnus-decode-header-methods-cache
7037 gnus-decode-header-methods))
7038 (let ((xlist gnus-decode-header-methods-cache))
7041 (narrow-to-region start end)
7043 (funcall (pop xlist) (point-min) (point-max))))))
7046 ;;; Treatment top-level handling.
7049 (defun gnus-treat-article (condition &optional part-number total-parts type)
7050 (let ((length (- (point-max) (point-min)))
7051 (alist gnus-treatment-function-alist)
7052 (article-goto-body-goes-to-point-min-p t)
7056 (let ((list gnus-article-treat-types))
7058 (when (string-match (pop list) type)
7059 (throw 'found t)))))))
7060 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7062 (gnus-run-hooks 'gnus-part-display-hook)
7063 (dolist (elem alist)
7066 (when (gnus-buffer-live-p gnus-summary-buffer)
7067 (set-buffer gnus-summary-buffer))
7068 (symbol-value (car elem))))
7069 (when (and (or (consp val)
7071 (gnus-treat-predicate val)
7072 (or (not (get (car elem) 'highlight))
7075 (funcall (cadr elem)))))))
7077 ;; Dynamic variables.
7079 (defvar part-number)
7080 (defvar total-parts)
7085 (defun gnus-treat-predicate (val)
7092 (stringp (car val)))
7093 (apply 'gnus-or (mapcar `(lambda (s)
7094 (string-match s ,(or gnus-newsgroup-name "")))
7097 (let ((pred (pop val)))
7100 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7102 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7104 (not (gnus-treat-predicate (car val))))
7106 (equal (car val) type))
7108 (error "%S is not a valid predicate" pred)))))
7114 (eq part-number total-parts))
7118 (error "%S is not a valid value" val))))
7120 (defun gnus-article-encrypt-body (protocol &optional n)
7121 "Encrypt the article body."
7124 (or gnus-article-encrypt-protocol
7125 (completing-read "Encrypt protocol: "
7126 gnus-article-encrypt-protocol-alist
7128 current-prefix-arg))
7129 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7131 (error "Can't find the encrypt protocol %s" protocol))
7132 (if (member gnus-newsgroup-name '("nndraft:delayed"
7135 (error "Can't encrypt the article in group %s"
7136 gnus-newsgroup-name))
7137 (gnus-summary-iterate n
7139 (set-buffer gnus-summary-buffer)
7140 (let ((mail-parse-charset gnus-newsgroup-charset)
7141 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7142 (summary-buffer gnus-summary-buffer)
7144 (gnus-set-global-variables)
7145 (when (gnus-group-read-only-p)
7146 (error "The current newsgroup does not support article encrypt"))
7147 (gnus-summary-show-article t)
7149 (or (mail-header-references gnus-current-headers) ""))
7150 (set-buffer gnus-article-buffer)
7151 (let* ((inhibit-read-only t)
7153 (mapcar (lambda (field)
7154 (and (save-restriction
7155 (message-narrow-to-head)
7156 (goto-char (point-min))
7157 (search-forward field nil t))
7159 (message-narrow-to-field)
7161 (delete-region (point-min) (point-max))
7163 '("Content-Type:" "Content-Transfer-Encoding:"
7164 "Content-Disposition:"))))
7165 (message-narrow-to-head)
7166 (message-remove-header "MIME-Version")
7167 (goto-char (point-max))
7168 (setq point (point))
7169 (insert (apply 'concat headers))
7171 (narrow-to-region point (point-max))
7172 (let ((message-options message-options))
7173 (message-options-set 'message-sender user-mail-address)
7174 (message-options-set 'message-recipients user-mail-address)
7175 (message-options-set 'message-sign-encrypt 'not)
7177 (goto-char (point-min))
7178 (insert "MIME-Version: 1.0\n")
7180 (gnus-summary-edit-article-done
7181 references nil summary-buffer t))
7182 (when gnus-keep-backlog
7183 (gnus-backlog-remove-article
7184 (car gnus-article-current) (cdr gnus-article-current)))
7186 (when (get-buffer gnus-original-article-buffer)
7187 (set-buffer gnus-original-article-buffer)
7188 (setq gnus-original-article nil)))
7189 (when gnus-use-cache
7190 (gnus-cache-update-article
7191 (car gnus-article-current) (cdr gnus-article-current))))))))
7193 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7194 "The following specs can be used:
7195 %t The security MIME type
7198 %D Details if button is pressed")
7200 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7201 "The following specs can be used:
7202 %t The security MIME type
7205 %D Details if button is pressed")
7207 (defvar gnus-mime-security-button-line-format-alist
7208 '((?t gnus-tmp-type ?s)
7209 (?i gnus-tmp-info ?s)
7210 (?d gnus-tmp-details ?s)
7211 (?D gnus-tmp-pressed-details ?s)))
7213 (defvar gnus-mime-security-button-map
7214 (let ((map (make-sparse-keymap)))
7215 (unless (>= (string-to-number emacs-version) 21)
7216 (set-keymap-parent map gnus-article-mode-map))
7217 (define-key map gnus-mouse-2 'gnus-article-push-button)
7218 (define-key map "\r" 'gnus-article-press-button)
7221 (defvar gnus-mime-security-details-buffer nil)
7223 (defvar gnus-mime-security-button-pressed nil)
7225 (defvar gnus-mime-security-show-details-inline t
7226 "If non-nil, show details in the article buffer.")
7228 (defun gnus-mime-security-verify-or-decrypt (handle)
7229 (mm-remove-parts (cdr handle))
7230 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7231 point (inhibit-read-only t))
7233 (goto-char (car region)))
7235 (narrow-to-region (point) (point))
7236 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7237 (let* ((mm-verify-option 'known)
7238 (mm-decrypt-option 'known)
7239 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7240 (unless (eq nparts (cdr handle))
7241 (mm-destroy-parts (cdr handle))
7242 (setcdr handle nparts))))
7243 (setq point (point))
7244 (gnus-mime-display-security handle)
7245 (goto-char (point-max)))
7247 (delete-region (point) (cdr region))
7248 (set-marker (car region) nil)
7249 (set-marker (cdr region) nil))
7252 (defun gnus-mime-security-show-details (handle)
7253 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7255 (gnus-message 5 "No details.")
7256 (if gnus-mime-security-show-details-inline
7257 (let ((gnus-mime-security-button-pressed
7258 (not (get-text-property (point) 'gnus-mime-details)))
7259 (gnus-mime-security-button-line-format
7260 (get-text-property (point) 'gnus-line-format))
7261 (inhibit-read-only t))
7263 (while (eq (get-text-property (point) 'gnus-line-format)
7264 gnus-mime-security-button-line-format)
7268 (narrow-to-region (point) (point))
7269 (gnus-insert-mime-security-button handle))
7270 (delete-region (point)
7271 (or (text-property-not-all
7274 gnus-mime-security-button-line-format)
7277 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7278 (with-current-buffer gnus-mime-security-details-buffer
7281 (setq gnus-mime-security-details-buffer
7282 (gnus-get-buffer-create "*MIME Security Details*")))
7283 (with-current-buffer gnus-mime-security-details-buffer
7285 (goto-char (point-min)))
7286 (pop-to-buffer gnus-mime-security-details-buffer)))))
7288 (defun gnus-mime-security-press-button (handle)
7290 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7291 (gnus-mime-security-show-details handle)
7292 (gnus-mime-security-verify-or-decrypt handle))))
7294 (defun gnus-insert-mime-security-button (handle &optional displayed)
7295 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7298 (or (nth 2 (assoc protocol mm-verify-function-alist))
7299 (nth 2 (assoc protocol mm-decrypt-function-alist))
7301 (if (equal (car handle) "multipart/signed")
7302 " Signed" " Encrypted")
7305 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7308 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7309 gnus-tmp-pressed-details
7311 (setq gnus-tmp-details
7312 (if gnus-tmp-details
7313 (concat "\n" gnus-tmp-details)
7315 (setq gnus-tmp-pressed-details
7316 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7321 gnus-mime-security-button-line-format
7322 gnus-mime-security-button-line-format-alist
7323 `(,@(gnus-local-map-property gnus-mime-security-button-map)
7324 gnus-callback gnus-mime-security-press-button
7325 gnus-line-format ,gnus-mime-security-button-line-format
7326 gnus-mime-details ,gnus-mime-security-button-pressed
7327 article-type annotation
7330 ;; Exclude a newline.
7333 (widget-convert-button
7336 :action 'gnus-widget-press-button
7337 :button-keymap gnus-mime-security-button-map
7339 (lambda (widget/window &optional overlay pos)
7340 ;; Needed to properly clear the message due to a bug in
7341 ;; wid-edit (XEmacs only).
7342 (when (boundp 'help-echo-owns-message)
7343 (setq help-echo-owns-message t))
7346 (aref gnus-mouse-2 0))))))
7348 (defun gnus-mime-display-security (handle)
7350 (narrow-to-region (point) (point))
7351 (unless (gnus-unbuttonized-mime-type-p (car handle))
7352 (gnus-insert-mime-security-button handle))
7353 (gnus-mime-display-mixed (cdr handle))
7356 (unless (gnus-unbuttonized-mime-type-p (car handle))
7357 (let ((gnus-mime-security-button-line-format
7358 gnus-mime-security-button-end-line-format))
7359 (gnus-insert-mime-security-button handle)))
7360 (mm-set-handle-multipart-parameter
7362 (cons (set-marker (make-marker) (point-min))
7363 (set-marker (make-marker) (point-max))))))
7369 (run-hooks 'gnus-art-load-hook)
7371 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7372 ;;; gnus-art.el ends here