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))
36 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
38 (let ((recursive-load-depth-limit 100))
51 (autoload 'gnus-msg-mail "gnus-msg" nil t)
52 (autoload 'gnus-button-mailto "gnus-msg")
53 (autoload 'gnus-button-reply "gnus-msg" nil t)
54 (autoload 'parse-time-string "parse-time" nil nil)
55 (autoload 'ansi-color-apply-on-region "ansi-color")
57 (defgroup gnus-article nil
59 :link '(custom-manual "(gnus)Article Buffer")
62 (defgroup gnus-article-treat nil
63 "Treating article parts."
64 :link '(custom-manual "(gnus)Article Hiding")
67 (defgroup gnus-article-hiding nil
68 "Hiding article parts."
69 :link '(custom-manual "(gnus)Article Hiding")
72 (defgroup gnus-article-highlight nil
73 "Article highlighting."
74 :link '(custom-manual "(gnus)Article Highlighting")
78 (defgroup gnus-article-signature nil
80 :link '(custom-manual "(gnus)Article Signature")
83 (defgroup gnus-article-headers nil
85 :link '(custom-manual "(gnus)Hiding Headers")
88 (defgroup gnus-article-washing nil
89 "Special commands on articles."
90 :link '(custom-manual "(gnus)Article Washing")
93 (defgroup gnus-article-emphasis nil
94 "Fontisizing articles."
95 :link '(custom-manual "(gnus)Article Fontisizing")
98 (defgroup gnus-article-saving nil
100 :link '(custom-manual "(gnus)Saving Articles")
101 :group 'gnus-article)
103 (defgroup gnus-article-mime nil
104 "Worshiping the MIME wonder."
105 :link '(custom-manual "(gnus)Using MIME")
106 :group 'gnus-article)
108 (defgroup gnus-article-buttons nil
109 "Pushable buttons in the article buffer."
110 :link '(custom-manual "(gnus)Article Buttons")
111 :group 'gnus-article)
113 (defgroup gnus-article-various nil
114 "Other article options."
115 :link '(custom-manual "(gnus)Misc Article")
116 :group 'gnus-article)
118 (defcustom gnus-ignored-headers
121 (concat "^" header ":"))
122 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
123 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
124 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
125 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
126 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
127 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
128 "X-Attribution" "X-Originating-IP" "Delivered-To"
129 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
130 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
131 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
132 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
133 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
134 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
135 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
136 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
137 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
138 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
139 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
140 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
141 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
142 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
143 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
144 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
145 "List-[A-Za-z]+" "X-Listprocessor-Version"
146 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
147 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
148 "X-Received" "Content-length" "X-precedence"
149 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
150 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
151 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
152 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
153 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
154 "X-Content-length" "X-Posting-Agent" "Original-Received"
155 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
156 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
157 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
158 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
159 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
160 "*All headers that start with this regexp will be hidden.
161 This variable can also be a list of regexps of headers to be ignored.
162 If `gnus-visible-headers' is non-nil, this variable will be ignored."
163 :type '(choice :custom-show nil
166 :group 'gnus-article-hiding)
168 (defcustom gnus-visible-headers
169 "^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:"
170 "*All headers that do not match this regexp will be hidden.
171 This variable can also be a list of regexp of headers to remain visible.
172 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
173 :type '(repeat :value-to-internal (lambda (widget value)
174 (custom-split-regexp-maybe value))
175 :match (lambda (widget value)
177 (widget-editable-list-match widget value)))
179 :group 'gnus-article-hiding)
181 (defcustom gnus-sorted-header-list
182 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
183 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
184 "*This variable is a list of regular expressions.
185 If it is non-nil, headers that match the regular expressions will
186 be placed first in the article buffer in the sequence specified by
188 :type '(repeat regexp)
189 :group 'gnus-article-hiding)
191 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
192 "Headers that are only to be displayed if they have interesting data.
193 Possible values in this list are:
195 'empty Headers with no content.
196 'newsgroups Newsgroup identical to Gnus group.
197 'to-address To identical to To-address.
198 'to-list To identical to To-list.
199 'cc-list CC identical to To-list.
200 'followup-to Followup-to identical to Newsgroups.
201 'reply-to Reply-to identical to From.
202 'date Date less than four days old.
203 'long-to To and/or Cc longer than 1024 characters.
204 'many-to Multiple To and/or Cc."
205 :type '(set (const :tag "Headers with no content." empty)
206 (const :tag "Newsgroups identical to Gnus group." newsgroups)
207 (const :tag "To identical to To-address." to-address)
208 (const :tag "To identical to To-list." to-list)
209 (const :tag "CC identical to To-list." cc-list)
210 (const :tag "Followup-to identical to Newsgroups." followup-to)
211 (const :tag "Reply-to identical to From." reply-to)
212 (const :tag "Date less than four days old." date)
213 (const :tag "To and/or Cc longer than 1024 characters." long-to)
214 (const :tag "Multiple To and/or Cc headers." many-to))
215 :group 'gnus-article-hiding)
217 (defcustom gnus-article-skip-boring nil
218 "Skip over text that is not worth reading.
219 By default, if you set this t, then Gnus will display citations and
220 signatures, but will never scroll down to show you a page consisting
221 only of boring text. Boring text is controlled by
222 `gnus-article-boring-faces'."
225 :group 'gnus-article-hiding)
227 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
228 "Regexp matching signature separator.
229 This can also be a list of regexps. In that case, it will be checked
230 from head to tail looking for a separator. Searches will be done from
231 the end of the buffer."
232 :type '(repeat string)
233 :group 'gnus-article-signature)
235 (defcustom gnus-signature-limit nil
236 "Provide a limit to what is considered a signature.
237 If it is a number, no signature may not be longer (in characters) than
238 that number. If it is a floating point number, no signature may be
239 longer (in lines) than that number. If it is a function, the function
240 will be called without any parameters, and if it returns nil, there is
241 no signature in the buffer. If it is a string, it will be used as a
242 regexp. If it matches, the text in question is not a signature.
244 This can also be a list of the above values."
245 :type '(choice (const nil)
248 (function :value fun)
249 (regexp :value ".*"))
250 :group 'gnus-article-signature)
252 (defcustom gnus-hidden-properties '(invisible t intangible t)
253 "Property list to use for hiding text."
255 :group 'gnus-article-hiding)
257 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
258 ;; frames in a session.
259 (defcustom gnus-article-x-face-command
260 (if (featurep 'xemacs)
261 (if (or (gnus-image-type-available-p 'xface)
262 (gnus-image-type-available-p 'pbm))
263 'gnus-display-x-face-in-from
264 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
265 (if (gnus-image-type-available-p 'pbm)
266 'gnus-display-x-face-in-from
267 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
269 "*String or function to be executed to display an X-Face header.
270 If it is a string, the command will be executed in a sub-shell
271 asynchronously. The compressed face will be piped to this command."
272 :type `(choice string
273 (function-item gnus-display-x-face-in-from)
277 :group 'gnus-article-washing)
279 (defcustom gnus-article-x-face-too-ugly nil
280 "Regexp matching posters whose face shouldn't be shown automatically."
281 :type '(choice regexp (const nil))
282 :group 'gnus-article-washing)
284 (defcustom gnus-article-banner-alist nil
285 "Banner alist for stripping.
287 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
289 :type '(repeat (cons symbol regexp))
290 :group 'gnus-article-washing)
292 (gnus-define-group-parameter
295 "Alist of regexps (to match group names) and banner."
296 :variable-group gnus-article-washing
298 '(choice :tag "Banner"
300 (const :tag "Remove signature" signature)
301 (symbol :tag "Item in `gnus-article-banner-alist'" none)
303 (const :tag "None" nil))
305 "If non-nil, specify how to remove `banners' from articles.
307 Symbol `signature' means to remove signatures delimited by
308 `gnus-signature-separator'. Any other symbol is used to look up a
309 regular expression to match the banner in `gnus-article-banner-alist'.
310 A string is used as a regular expression to match the banner
313 (defcustom gnus-article-address-banner-alist nil
314 "Alist of mail addresses and banners.
315 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
316 to match a mail address in the From: header, BANNER is one of a symbol
317 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
318 If ADDRESS matches author's mail address, it will remove things like
319 advertisements. For example:
321 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
325 (regexp :tag "Address")
326 (choice :tag "Banner" :value nil
327 (const :tag "Remove signature" signature)
328 (symbol :tag "Item in `gnus-article-banner-alist'" none)
330 (const :tag "None" nil))))
332 :group 'gnus-article-washing)
334 (defmacro gnus-emphasis-custom-with-format (&rest body)
336 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
337 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
340 (defun gnus-emphasis-custom-value-to-external (value)
341 (gnus-emphasis-custom-with-format
342 (if (consp (car value))
343 (list (format format (car (car value)) (cdr (car value)))
345 (if (nth 1 value) 2 3)
349 (defun gnus-emphasis-custom-value-to-internal (value)
350 (gnus-emphasis-custom-with-format
351 (let ((regexp (concat "\\`"
352 (format (regexp-quote format)
353 "\\([^()]+\\)" "\\([^()]+\\)")
356 (if (string-match regexp (setq pattern (car value)))
357 (list (cons (match-string 1 pattern) (match-string 2 pattern))
362 (defcustom gnus-emphasis-alist
364 '(("\\*" "\\*" bold nil 2)
367 ("_/" "/_" underline-italic)
368 ("_\\*" "\\*_" underline-bold)
369 ("\\*/" "/\\*" bold-italic)
370 ("_\\*/" "/\\*_" underline-bold-italic))))
372 (gnus-emphasis-custom-with-format
373 (mapcar (lambda (spec)
374 (list (format format (car spec) (cadr spec))
377 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
379 '(;; I've never seen anyone use this strikethru convention whereas I've
380 ;; several times seen it triggered by normal text. --Stef
381 ;; Miles suggests that this form is sometimes used but for italics,
382 ;; so maybe we should map it to `italic'.
383 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
384 ;; 2 3 gnus-emphasis-strikethru)
385 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
386 2 3 gnus-emphasis-underline))))
387 "*Alist that says how to fontify certain phrases.
388 Each item looks like this:
390 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
392 The first element is a regular expression to be matched. The second
393 is a number that says what regular expression grouping used to find
394 the entire emphasized word. The third is a number that says what
395 regexp grouping should be displayed and highlighted. The fourth
396 is the face used for highlighting."
400 :format "%[Customizing Style%]\n%v"
402 (group :tag "Default"
403 :value ("" 0 0 default)
406 (let ((value (widget-get
407 (cadr (widget-get (widget-get widget :parent)
410 (if (not (eq (nth 2 value) 'default))
414 (gnus-emphasis-custom-value-to-external value))))
415 (widget-group-value-create widget))
417 (integer :format "Match group: %v")
418 (integer :format "Emphasize group: %v")
421 :value (("_" . "_") nil default)
423 (regexp :format "Start regexp: %v")
424 (regexp :format "End regexp: %v"))
425 (boolean :format "Show start and end patterns: %[%v%]\n"
426 :on " On " :off " Off ")
428 :get (lambda (symbol)
429 (mapcar 'gnus-emphasis-custom-value-to-internal
430 (default-value symbol)))
431 :set (lambda (symbol value)
432 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
434 :group 'gnus-article-emphasis)
436 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
437 "A regexp to describe whitespace which should not be emphasized.
438 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
439 The former avoids underlining of leading and trailing whitespace,
440 and the latter avoids underlining any whitespace at all."
442 :group 'gnus-article-emphasis
445 (defface gnus-emphasis-bold '((t (:bold t)))
446 "Face used for displaying strong emphasized text (*word*)."
447 :group 'gnus-article-emphasis)
449 (defface gnus-emphasis-italic '((t (:italic t)))
450 "Face used for displaying italic emphasized text (/word/)."
451 :group 'gnus-article-emphasis)
453 (defface gnus-emphasis-underline '((t (:underline t)))
454 "Face used for displaying underlined emphasized text (_word_)."
455 :group 'gnus-article-emphasis)
457 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
458 "Face used for displaying underlined bold emphasized text (_*word*_)."
459 :group 'gnus-article-emphasis)
461 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
462 "Face used for displaying underlined italic emphasized text (_/word/_)."
463 :group 'gnus-article-emphasis)
465 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
466 "Face used for displaying bold italic emphasized text (/*word*/)."
467 :group 'gnus-article-emphasis)
469 (defface gnus-emphasis-underline-bold-italic
470 '((t (:bold t :italic t :underline t)))
471 "Face used for displaying underlined bold italic emphasized text.
472 Example: (_/*word*/_)."
473 :group 'gnus-article-emphasis)
475 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
476 '((t (:strikethru t)))
477 '((t (:strike-through t))))
478 "Face used for displaying strike-through text (-word-)."
479 :group 'gnus-article-emphasis)
481 (defface gnus-emphasis-highlight-words
482 '((t (:background "black" :foreground "yellow")))
483 "Face used for displaying highlighted words."
484 :group 'gnus-article-emphasis)
486 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
487 "Format for display of Date headers in article bodies.
488 See `format-time-string' for the possible values.
490 The variable can also be function, which should return a complete Date
491 header. The function is called with one argument, the time, which can
492 be fed to `format-time-string'."
493 :type '(choice string function)
494 :link '(custom-manual "(gnus)Article Date")
495 :group 'gnus-article-washing)
497 (defcustom gnus-save-all-headers t
498 "*If non-nil, don't remove any headers before saving."
499 :group 'gnus-article-saving
502 (defcustom gnus-prompt-before-saving 'always
503 "*This variable says how much prompting is to be done when saving articles.
504 If it is nil, no prompting will be done, and the articles will be
505 saved to the default files. If this variable is `always', each and
506 every article that is saved will be preceded by a prompt, even when
507 saving large batches of articles. If this variable is neither nil not
508 `always', there the user will be prompted once for a file name for
509 each invocation of the saving commands."
510 :group 'gnus-article-saving
511 :type '(choice (item always)
512 (item :tag "never" nil)
513 (sexp :tag "once" :format "%t\n" :value t)))
515 (defcustom gnus-saved-headers gnus-visible-headers
516 "Headers to keep if `gnus-save-all-headers' is nil.
517 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
518 If that variable is nil, however, all headers that match this regexp
519 will be kept while the rest will be deleted before saving."
520 :group 'gnus-article-saving
523 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
524 "A function to save articles in your favourite format.
525 The function must be interactively callable (in other words, it must
526 be an Emacs command).
528 Gnus provides the following functions:
530 * gnus-summary-save-in-rmail (Rmail format)
531 * gnus-summary-save-in-mail (Unix mail format)
532 * gnus-summary-save-in-folder (MH folder)
533 * gnus-summary-save-in-file (article format)
534 * gnus-summary-save-body-in-file (article body)
535 * gnus-summary-save-in-vm (use VM's folder format)
536 * gnus-summary-write-to-file (article format -- overwrite)."
537 :group 'gnus-article-saving
538 :type '(radio (function-item gnus-summary-save-in-rmail)
539 (function-item gnus-summary-save-in-mail)
540 (function-item gnus-summary-save-in-folder)
541 (function-item gnus-summary-save-in-file)
542 (function-item gnus-summary-save-body-in-file)
543 (function-item gnus-summary-save-in-vm)
544 (function-item gnus-summary-write-to-file)))
546 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
547 "A function generating a file name to save articles in Rmail format.
548 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
549 :group 'gnus-article-saving
552 (defcustom gnus-mail-save-name 'gnus-plain-save-name
553 "A function generating a file name to save articles in Unix mail format.
554 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
555 :group 'gnus-article-saving
558 (defcustom gnus-folder-save-name 'gnus-folder-save-name
559 "A function generating a file name to save articles in MH folder.
560 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
561 :group 'gnus-article-saving
564 (defcustom gnus-file-save-name 'gnus-numeric-save-name
565 "A function generating a file name to save articles in article format.
566 The function is called with NEWSGROUP, HEADERS, and optional
568 :group 'gnus-article-saving
571 (defcustom gnus-split-methods
572 '((gnus-article-archive-name)
573 (gnus-article-nndoc-name))
574 "*Variable used to suggest where articles are to be saved.
575 For instance, if you would like to save articles related to Gnus in
576 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
577 you could set this variable to something like:
579 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
580 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
582 This variable is an alist where the key is the match and the
583 value is a list of possible files to save in if the match is
586 If the match is a string, it is used as a regexp match on the
587 article. If the match is a symbol, that symbol will be funcalled
588 from the buffer of the article to be saved with the newsgroup as
589 the parameter. If it is a list, it will be evaled in the same
592 If this form or function returns a string, this string will be
593 used as a possible file name; and if it returns a non-nil list,
594 that list will be used as possible file names."
595 :group 'gnus-article-saving
596 :type '(repeat (choice (list :value (fun) function)
597 (cons :value ("" "") regexp (repeat string))
600 (defcustom gnus-page-delimiter "^\^L"
601 "*Regexp describing what to use as article page delimiters.
602 The default value is \"^\^L\", which is a form linefeed at the
603 beginning of a line."
605 :group 'gnus-article-various)
607 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
608 "*The format specification for the article mode line.
609 See `gnus-summary-mode-line-format' for a closer description.
611 The following additional specs are available:
613 %w The article washing status.
614 %m The number of MIME parts in the article."
616 :group 'gnus-article-various)
618 (defcustom gnus-article-mode-hook nil
619 "*A hook for Gnus article mode."
621 :group 'gnus-article-various)
623 (when (featurep 'xemacs)
624 ;; Extracted from gnus-xmas-define in order to preserve user settings
625 (when (fboundp 'turn-off-scroll-in-place)
626 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
627 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
628 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
630 (defcustom gnus-article-menu-hook nil
631 "*Hook run after the creation of the article mode menu."
633 :group 'gnus-article-various)
635 (defcustom gnus-article-prepare-hook nil
636 "*A hook called after an article has been prepared in the article buffer."
638 :group 'gnus-article-various)
640 (defcustom gnus-copy-article-ignored-headers nil
641 "List of headers to be removed when copying an article.
642 Each element is a regular expression."
643 :version "23.0" ;; No Gnus
644 :type '(repeat regexp)
645 :group 'gnus-article-various)
647 (make-obsolete-variable 'gnus-article-hide-pgp-hook
648 "This variable is obsolete in Gnus 5.10.")
650 (defcustom gnus-article-button-face 'bold
651 "Face used for highlighting buttons in the article buffer.
653 An article button is a piece of text that you can activate by pressing
654 `RET' or `mouse-2' above it."
656 :group 'gnus-article-buttons)
658 (defcustom gnus-article-mouse-face 'highlight
659 "Face used for mouse highlighting in the article buffer.
661 Article buttons will be displayed in this face when the cursor is
664 :group 'gnus-article-buttons)
666 (defcustom gnus-signature-face 'gnus-signature
667 "Face used for highlighting a signature in the article buffer.
668 Obsolete; use the face `gnus-signature' for customizations instead."
670 :group 'gnus-article-highlight
671 :group 'gnus-article-signature)
673 (defface gnus-signature
676 "Face used for highlighting a signature in the article buffer."
677 :group 'gnus-article-highlight
678 :group 'gnus-article-signature)
679 ;; backward-compatibility alias
680 (put 'gnus-signature-face 'face-alias 'gnus-signature)
682 (defface gnus-header-from
685 (:foreground "spring green"))
688 (:foreground "red3"))
691 "Face used for displaying from headers."
692 :group 'gnus-article-headers
693 :group 'gnus-article-highlight)
694 ;; backward-compatibility alias
695 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
697 (defface gnus-header-subject
700 (:foreground "SeaGreen3"))
703 (:foreground "red4"))
705 (:bold t :italic t)))
706 "Face used for displaying subject headers."
707 :group 'gnus-article-headers
708 :group 'gnus-article-highlight)
709 ;; backward-compatibility alias
710 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
712 (defface gnus-header-newsgroups
715 (:foreground "yellow" :italic t))
718 (:foreground "MidnightBlue" :italic t))
721 "Face used for displaying newsgroups headers.
722 In the default setup this face is only used for crossposted
724 :group 'gnus-article-headers
725 :group 'gnus-article-highlight)
726 ;; backward-compatibility alias
727 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
729 (defface gnus-header-name
732 (:foreground "SeaGreen"))
735 (:foreground "maroon"))
738 "Face used for displaying header names."
739 :group 'gnus-article-headers
740 :group 'gnus-article-highlight)
741 ;; backward-compatibility alias
742 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
744 (defface gnus-header-content
747 (:foreground "forest green" :italic t))
750 (:foreground "indianred4" :italic t))
752 (:italic t))) "Face used for displaying header content."
753 :group 'gnus-article-headers
754 :group 'gnus-article-highlight)
755 ;; backward-compatibility alias
756 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
758 (defcustom gnus-header-face-alist
759 '(("From" nil gnus-header-from)
760 ("Subject" nil gnus-header-subject)
761 ("Newsgroups:.*," nil gnus-header-newsgroups)
762 ("" gnus-header-name gnus-header-content))
763 "*Controls highlighting of article headers.
765 An alist of the form (HEADER NAME CONTENT).
767 HEADER is a regular expression which should match the name of a
768 header and NAME and CONTENT are either face names or nil.
770 The name of each header field will be displayed using the face
771 specified by the first element in the list where HEADER matches
772 the header name and NAME is non-nil. Similarly, the content will
773 be displayed by the first non-nil matching CONTENT face."
774 :group 'gnus-article-headers
775 :group 'gnus-article-highlight
776 :type '(repeat (list (regexp :tag "Header")
778 (item :tag "skip" nil)
779 (face :value default))
780 (choice :tag "Content"
781 (item :tag "skip" nil)
782 (face :value default)))))
784 (defcustom gnus-article-decode-hook
785 '(article-decode-charset article-decode-encoded-words
786 article-decode-group-name article-decode-idna-rhs)
787 "*Hook run to decode charsets in articles."
788 :group 'gnus-article-headers
791 (defcustom gnus-display-mime-function 'gnus-display-mime
792 "Function to display MIME articles."
793 :group 'gnus-article-mime
796 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
797 "Function used to decode headers.")
799 (defvar gnus-article-dumbquotes-map
819 "Table for MS-to-Latin1 translation.")
821 (defcustom gnus-ignored-mime-types nil
822 "List of MIME types that should be ignored by Gnus."
824 :group 'gnus-article-mime
825 :type '(repeat regexp))
827 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
828 "List of MIME types that should not be given buttons when rendered inline.
829 See also `gnus-buttonized-mime-types' which may override this variable.
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-buttonized-mime-types nil
836 "List of MIME types that should be given buttons when rendered inline.
837 If set, this variable overrides `gnus-unbuttonized-mime-types'.
838 To see e.g. security buttons you could set this to
839 `(\"multipart/signed\")'.
840 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
842 :group 'gnus-article-mime
843 :type '(repeat regexp))
845 (defcustom gnus-inhibit-mime-unbuttonizing nil
846 "If non-nil, all MIME parts get buttons.
847 When nil (the default value), then some MIME parts do not get buttons,
848 as described by the variables `gnus-buttonized-mime-types' and
849 `gnus-unbuttonized-mime-types'."
851 :group 'gnus-article-mime
854 (defcustom gnus-body-boundary-delimiter "_"
855 "String used to delimit header and body.
856 This variable is used by `gnus-article-treat-body-boundary' which can
857 be controlled by `gnus-treat-body-boundary'."
859 :group 'gnus-article-various
860 :type '(choice (item :tag "None" :value nil)
863 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
865 "Defines the location of the faces database.
866 For information on obtaining this database of pretty pictures, please
867 see http://www.cs.indiana.edu/picons/ftp/index.html"
869 :type '(repeat directory)
870 :link '(url-link :tag "download"
871 "http://www.cs.indiana.edu/picons/ftp/index.html")
872 :link '(custom-manual "(gnus)Picons")
875 (defun gnus-picons-installed-p ()
876 "Say whether picons are installed on your machine."
877 (let ((installed nil))
878 (dolist (database gnus-picon-databases)
879 (when (file-exists-p database)
883 (defcustom gnus-article-mime-part-function nil
884 "Function called with a MIME handle as the argument.
885 This is meant for people who want to do something automatic based
886 on parts -- for instance, adding Vcard info to a database."
887 :group 'gnus-article-mime
888 :type '(choice (const nil)
891 (defcustom gnus-mime-multipart-functions nil
892 "An alist of MIME types to functions to display them."
894 :group 'gnus-article-mime
895 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
897 (defcustom gnus-article-date-lapsed-new-header nil
898 "Whether the X-Sent and Date headers can coexist.
899 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
900 either replace the old \"Date:\" header (if this variable is nil), or
901 be added below it (otherwise)."
903 :group 'gnus-article-headers
906 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
907 "Function called with a MIME handle as the argument.
908 This is meant for people who want to view first matched part.
909 For `undisplayed-alternative' (default), the first undisplayed
910 part or alternative part is used. For `undisplayed', the first
911 undisplayed part is used. For a function, the first part which
912 the function return t is used. For nil, the first part is
915 :group 'gnus-article-mime
917 (item :tag "first" :value nil)
918 (item :tag "undisplayed" :value undisplayed)
919 (item :tag "undisplayed or alternative"
920 :value undisplayed-alternative)
923 (defcustom gnus-mime-action-alist
924 '(("save to file" . gnus-mime-save-part)
925 ("save and strip" . gnus-mime-save-part-and-strip)
926 ("replace with file" . gnus-mime-replace-part)
927 ("delete part" . gnus-mime-delete-part)
928 ("display as text" . gnus-mime-inline-part)
929 ("view the part" . gnus-mime-view-part)
930 ("pipe to command" . gnus-mime-pipe-part)
931 ("toggle display" . gnus-article-press-button)
932 ("toggle display" . gnus-article-view-part-as-charset)
933 ("view as type" . gnus-mime-view-part-as-type)
934 ("view internally" . gnus-mime-view-part-internally)
935 ("view externally" . gnus-mime-view-part-externally))
936 "An alist of actions that run on the MIME attachment."
937 :group 'gnus-article-mime
938 :type '(repeat (cons (string :tag "name")
941 (defcustom gnus-auto-select-part 1
942 "Advance to next MIME part when deleting or stripping parts.
944 When 0, point will be placed on the same part as before. When
945 positive (negative), move point forward (backwards) this many
946 parts. When nil, redisplay article."
947 :version "23.0" ;; No Gnus
948 :group 'gnus-article-mime
949 :type '(choice (const nil :tag "Redisplay article.")
950 (const 1 :tag "Next part.")
951 (const 0 :tag "Current part.")
955 ;;; The treatment variables
958 (defvar gnus-part-display-hook nil
959 "Hook called on parts that are to receive treatment.")
961 (defvar gnus-article-treat-custom
962 '(choice (const :tag "Off" nil)
964 (const :tag "Header" head)
965 (const :tag "Last" last)
966 (integer :tag "Less")
967 (repeat :tag "Groups" regexp)
968 (sexp :tag "Predicate")))
970 (defvar gnus-article-treat-head-custom
971 '(choice (const :tag "Off" nil)
972 (const :tag "Header" head)))
974 (defvar gnus-article-treat-types '("text/plain")
977 (defvar gnus-inhibit-treatment nil
978 "Whether to inhibit treatment.")
980 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
981 "Highlight the signature.
982 Valid values are nil, t, `head', `last', an integer or a predicate.
983 See Info node `(gnus)Customizing Articles'."
984 :group 'gnus-article-treat
985 :link '(custom-manual "(gnus)Customizing Articles")
986 :type gnus-article-treat-custom)
987 (put 'gnus-treat-highlight-signature 'highlight t)
989 (defcustom gnus-treat-buttonize 100000
991 Valid values are nil, t, `head', `last', an integer or a predicate.
992 See Info node `(gnus)Customizing Articles'."
993 :group 'gnus-article-treat
994 :link '(custom-manual "(gnus)Customizing Articles")
995 :type gnus-article-treat-custom)
996 (put 'gnus-treat-buttonize 'highlight t)
998 (defcustom gnus-treat-buttonize-head 'head
999 "Add buttons to the head.
1000 Valid values are nil, t, `head', `last', an integer or a predicate.
1001 See Info node `(gnus)Customizing Articles' for details."
1002 :group 'gnus-article-treat
1003 :link '(custom-manual "(gnus)Customizing Articles")
1004 :type gnus-article-treat-head-custom)
1005 (put 'gnus-treat-buttonize-head 'highlight t)
1007 (defcustom gnus-treat-emphasize
1008 (and (or window-system
1012 Valid values are nil, t, `head', `last', an integer or a predicate.
1013 See Info node `(gnus)Customizing Articles' for details."
1014 :group 'gnus-article-treat
1015 :link '(custom-manual "(gnus)Customizing Articles")
1016 :type gnus-article-treat-custom)
1017 (put 'gnus-treat-emphasize 'highlight t)
1019 (defcustom gnus-treat-strip-cr nil
1020 "Remove carriage returns.
1021 Valid values are nil, t, `head', `last', an integer or a predicate.
1022 See Info node `(gnus)Customizing Articles' for details."
1024 :group 'gnus-article-treat
1025 :link '(custom-manual "(gnus)Customizing Articles")
1026 :type gnus-article-treat-custom)
1028 (defcustom gnus-treat-unsplit-urls nil
1029 "Remove newlines from within URLs.
1030 Valid values are nil, t, `head', `last', an integer or a predicate.
1031 See Info node `(gnus)Customizing Articles' for details."
1033 :group 'gnus-article-treat
1034 :link '(custom-manual "(gnus)Customizing Articles")
1035 :type gnus-article-treat-custom)
1037 (defcustom gnus-treat-leading-whitespace nil
1038 "Remove leading whitespace in headers.
1039 Valid values are nil, t, `head', `last', an integer or a predicate.
1040 See Info node `(gnus)Customizing Articles' for details."
1042 :group 'gnus-article-treat
1043 :link '(custom-manual "(gnus)Customizing Articles")
1044 :type gnus-article-treat-custom)
1046 (defcustom gnus-treat-hide-headers 'head
1048 Valid values are nil, t, `head', `last', an integer or a predicate.
1049 See Info node `(gnus)Customizing Articles' for details."
1050 :group 'gnus-article-treat
1051 :link '(custom-manual "(gnus)Customizing Articles")
1052 :type gnus-article-treat-head-custom)
1054 (defcustom gnus-treat-hide-boring-headers nil
1055 "Hide boring headers.
1056 Valid values are nil, t, `head', `last', an integer or a predicate.
1057 See Info node `(gnus)Customizing Articles' for details."
1058 :group 'gnus-article-treat
1059 :link '(custom-manual "(gnus)Customizing Articles")
1060 :type gnus-article-treat-head-custom)
1062 (defcustom gnus-treat-hide-signature nil
1063 "Hide the signature.
1064 Valid values are nil, t, `head', `last', an integer or a predicate.
1065 See Info node `(gnus)Customizing Articles' for details."
1066 :group 'gnus-article-treat
1067 :link '(custom-manual "(gnus)Customizing Articles")
1068 :type gnus-article-treat-custom)
1070 (defcustom gnus-treat-fill-article nil
1072 Valid values are nil, t, `head', `last', an integer or a predicate.
1073 See Info node `(gnus)Customizing Articles' for details."
1074 :group 'gnus-article-treat
1075 :link '(custom-manual "(gnus)Customizing Articles")
1076 :type gnus-article-treat-custom)
1078 (defcustom gnus-treat-hide-citation nil
1080 Valid values are nil, t, `head', `last', an integer or a predicate.
1081 See Info node `(gnus)Customizing Articles' for details."
1082 :group 'gnus-article-treat
1083 :link '(custom-manual "(gnus)Customizing Articles")
1084 :type gnus-article-treat-custom)
1086 (defcustom gnus-treat-hide-citation-maybe nil
1088 Valid values are nil, t, `head', `last', an integer or a predicate.
1089 See Info node `(gnus)Customizing Articles' for details."
1090 :group 'gnus-article-treat
1091 :link '(custom-manual "(gnus)Customizing Articles")
1092 :type gnus-article-treat-custom)
1094 (defcustom gnus-treat-strip-list-identifiers 'head
1095 "Strip list identifiers from `gnus-list-identifiers`.
1096 Valid values are nil, t, `head', `last', an integer or a predicate.
1097 See Info node `(gnus)Customizing Articles' for details."
1099 :group 'gnus-article-treat
1100 :link '(custom-manual "(gnus)Customizing Articles")
1101 :type gnus-article-treat-custom)
1103 (make-obsolete-variable 'gnus-treat-strip-pgp
1104 "This option is obsolete in Gnus 5.10.")
1106 (defcustom gnus-treat-strip-pem nil
1107 "Strip PEM signatures.
1108 Valid values are nil, t, `head', `last', an integer or a predicate.
1109 See Info node `(gnus)Customizing Articles' for details."
1110 :group 'gnus-article-treat
1111 :link '(custom-manual "(gnus)Customizing Articles")
1112 :type gnus-article-treat-custom)
1114 (defcustom gnus-treat-strip-banner t
1115 "Strip banners from articles.
1116 The banner to be stripped is specified in the `banner' group parameter.
1117 Valid values are nil, t, `head', `last', an integer or a predicate.
1118 See Info node `(gnus)Customizing Articles' for details."
1119 :group 'gnus-article-treat
1120 :link '(custom-manual "(gnus)Customizing Articles")
1121 :type gnus-article-treat-custom)
1123 (defcustom gnus-treat-highlight-headers 'head
1124 "Highlight the headers.
1125 Valid values are nil, t, `head', `last', an integer or a predicate.
1126 See Info node `(gnus)Customizing Articles' for details."
1127 :group 'gnus-article-treat
1128 :link '(custom-manual "(gnus)Customizing Articles")
1129 :type gnus-article-treat-head-custom)
1130 (put 'gnus-treat-highlight-headers 'highlight t)
1132 (defcustom gnus-treat-highlight-citation t
1133 "Highlight cited text.
1134 Valid values are nil, t, `head', `last', an integer or a predicate.
1135 See Info node `(gnus)Customizing Articles' for details."
1136 :group 'gnus-article-treat
1137 :link '(custom-manual "(gnus)Customizing Articles")
1138 :type gnus-article-treat-custom)
1139 (put 'gnus-treat-highlight-citation 'highlight t)
1141 (defcustom gnus-treat-date-ut nil
1142 "Display the Date in UT (GMT).
1143 Valid values are nil, t, `head', `last', an integer or a predicate.
1144 See Info node `(gnus)Customizing Articles' for details."
1145 :group 'gnus-article-treat
1146 :link '(custom-manual "(gnus)Customizing Articles")
1147 :type gnus-article-treat-head-custom)
1149 (defcustom gnus-treat-date-local nil
1150 "Display the Date in the local timezone.
1151 Valid values are nil, t, `head', `last', an integer or a predicate.
1152 See Info node `(gnus)Customizing Articles' for details."
1153 :group 'gnus-article-treat
1154 :link '(custom-manual "(gnus)Customizing Articles")
1155 :type gnus-article-treat-head-custom)
1157 (defcustom gnus-treat-date-english nil
1158 "Display the Date in a format that can be read aloud in English.
1159 Valid values are nil, t, `head', `last', an integer or a predicate.
1160 See Info node `(gnus)Customizing Articles' for details."
1162 :group 'gnus-article-treat
1163 :link '(custom-manual "(gnus)Customizing Articles")
1164 :type gnus-article-treat-head-custom)
1166 (defcustom gnus-treat-date-lapsed nil
1167 "Display the Date header in a way that says how much time has elapsed.
1168 Valid values are nil, t, `head', `last', an integer or a predicate.
1169 See Info node `(gnus)Customizing Articles' for details."
1170 :group 'gnus-article-treat
1171 :link '(custom-manual "(gnus)Customizing Articles")
1172 :type gnus-article-treat-head-custom)
1174 (defcustom gnus-treat-date-original nil
1175 "Display the date in the original timezone.
1176 Valid values are nil, t, `head', `last', an integer or a predicate.
1177 See Info node `(gnus)Customizing Articles' for details."
1178 :group 'gnus-article-treat
1179 :link '(custom-manual "(gnus)Customizing Articles")
1180 :type gnus-article-treat-head-custom)
1182 (defcustom gnus-treat-date-iso8601 nil
1183 "Display the date in the ISO8601 format.
1184 Valid values are nil, t, `head', `last', an integer or a predicate.
1185 See Info node `(gnus)Customizing Articles' for details."
1187 :group 'gnus-article-treat
1188 :link '(custom-manual "(gnus)Customizing Articles")
1189 :type gnus-article-treat-head-custom)
1191 (defcustom gnus-treat-date-user-defined nil
1192 "Display the date in a user-defined format.
1193 The format is defined by the `gnus-article-time-format' variable.
1194 Valid values are nil, t, `head', `last', an integer or a predicate.
1195 See Info node `(gnus)Customizing Articles' for details."
1196 :group 'gnus-article-treat
1197 :link '(custom-manual "(gnus)Customizing Articles")
1198 :type gnus-article-treat-head-custom)
1200 (defcustom gnus-treat-strip-headers-in-body t
1201 "Strip the X-No-Archive header line from the beginning of the body.
1202 Valid values are nil, t, `head', `last', an integer or a predicate.
1203 See Info node `(gnus)Customizing Articles' for details."
1205 :group 'gnus-article-treat
1206 :link '(custom-manual "(gnus)Customizing Articles")
1207 :type gnus-article-treat-custom)
1209 (defcustom gnus-treat-strip-trailing-blank-lines nil
1210 "Strip trailing blank lines.
1211 Valid values are nil, t, `head', `last', an integer or a predicate.
1212 See Info node `(gnus)Customizing Articles' for details."
1213 :group 'gnus-article-treat
1214 :link '(custom-manual "(gnus)Customizing Articles")
1215 :type gnus-article-treat-custom)
1217 (defcustom gnus-treat-strip-leading-blank-lines nil
1218 "Strip leading blank lines.
1219 Valid values are nil, t, `head', `last', an integer or a predicate.
1220 See Info node `(gnus)Customizing Articles' for details."
1221 :group 'gnus-article-treat
1222 :link '(custom-manual "(gnus)Customizing Articles")
1223 :type gnus-article-treat-custom)
1225 (defcustom gnus-treat-strip-multiple-blank-lines nil
1226 "Strip multiple blank lines.
1227 Valid values are nil, t, `head', `last', an integer or a predicate.
1228 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-unfold-headers 'head
1234 "Unfold folded header lines.
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-fold-headers nil
1244 Valid values are nil, t, `head', `last', an integer or a predicate.
1245 See Info node `(gnus)Customizing Articles' for details."
1247 :group 'gnus-article-treat
1248 :link '(custom-manual "(gnus)Customizing Articles")
1249 :type gnus-article-treat-custom)
1251 (defcustom gnus-treat-fold-newsgroups 'head
1252 "Fold the Newsgroups and Followup-To headers.
1253 Valid values are nil, t, `head', `last', an integer or a predicate.
1254 See Info node `(gnus)Customizing Articles' for details."
1256 :group 'gnus-article-treat
1257 :link '(custom-manual "(gnus)Customizing Articles")
1258 :type gnus-article-treat-custom)
1260 (defcustom gnus-treat-overstrike t
1261 "Treat overstrike highlighting.
1262 Valid values are nil, t, `head', `last', an integer or a predicate.
1263 See Info node `(gnus)Customizing Articles' for details."
1264 :group 'gnus-article-treat
1265 :link '(custom-manual "(gnus)Customizing Articles")
1266 :type gnus-article-treat-custom)
1267 (put 'gnus-treat-overstrike 'highlight t)
1269 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1270 "Treat ANSI SGR control sequences.
1271 Valid values are nil, t, `head', `last', an integer or a predicate.
1272 See Info node `(gnus)Customizing Articles' for details."
1273 :group 'gnus-article-treat
1274 :link '(custom-manual "(gnus)Customizing Articles")
1275 :type gnus-article-treat-custom)
1277 (make-obsolete-variable 'gnus-treat-display-xface
1278 'gnus-treat-display-x-face)
1280 (defcustom gnus-treat-display-x-face
1281 (and (not noninteractive)
1282 (or (and (fboundp 'image-type-available-p)
1283 (image-type-available-p 'xbm)
1284 (string-match "^0x" (shell-command-to-string "uncompface"))
1285 (executable-find "icontopbm"))
1286 (and (featurep 'xemacs)
1289 "Display X-Face headers.
1290 Valid values are nil, t, `head', `last', an integer or a predicate.
1291 See Info node `(gnus)Customizing Articles' and Info node
1292 `(gnus)X-Face' for details."
1293 :group 'gnus-article-treat
1295 :link '(custom-manual "(gnus)Customizing Articles")
1296 :link '(custom-manual "(gnus)X-Face")
1297 :type gnus-article-treat-head-custom
1298 :set (lambda (symbol value)
1301 (cond ((or (boundp symbol) (get symbol 'saved-value))
1303 ((boundp 'gnus-treat-display-xface)
1305 ** gnus-treat-display-xface is an obsolete variable;\
1306 use gnus-treat-display-x-face instead")
1307 (default-value 'gnus-treat-display-xface))
1308 ((get 'gnus-treat-display-xface 'saved-value)
1310 ** gnus-treat-display-xface is an obsolete variable;\
1311 use gnus-treat-display-x-face instead")
1312 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1315 (put 'gnus-treat-display-x-face 'highlight t)
1317 (defcustom gnus-treat-display-face
1318 (and (not noninteractive)
1319 (or (and (fboundp 'image-type-available-p)
1320 (image-type-available-p 'png))
1321 (and (featurep 'xemacs)
1324 "Display Face headers.
1325 Valid values are nil, t, `head', `last', an integer or a predicate.
1326 See Info node `(gnus)Customizing Articles' and Info node
1327 `(gnus)X-Face' for details."
1328 :group 'gnus-article-treat
1330 :link '(custom-manual "(gnus)Customizing Articles")
1331 :link '(custom-manual "(gnus)X-Face")
1332 :type gnus-article-treat-head-custom)
1333 (put 'gnus-treat-display-face 'highlight t)
1335 (defcustom gnus-treat-display-smileys
1336 (if (or (and (featurep 'xemacs)
1338 (and (fboundp 'image-type-available-p)
1339 (image-type-available-p 'pbm)))
1342 Valid values are nil, t, `head', `last', an integer or a predicate.
1343 See Info node `(gnus)Customizing Articles' and Info node
1344 `(gnus)Smileys' for details."
1345 :group 'gnus-article-treat
1347 :link '(custom-manual "(gnus)Customizing Articles")
1348 :link '(custom-manual "(gnus)Smileys")
1349 :type gnus-article-treat-custom)
1350 (put 'gnus-treat-display-smileys 'highlight t)
1352 (defcustom gnus-treat-from-picon
1353 (if (and (gnus-image-type-available-p 'xpm)
1354 (gnus-picons-installed-p))
1356 "Display picons in the From header.
1357 Valid values are nil, t, `head', `last', an integer or a predicate.
1358 See Info node `(gnus)Customizing Articles' and Info node
1359 `(gnus)Picons' for details."
1361 :group 'gnus-article-treat
1363 :link '(custom-manual "(gnus)Customizing Articles")
1364 :link '(custom-manual "(gnus)Picons")
1365 :type gnus-article-treat-head-custom)
1366 (put 'gnus-treat-from-picon 'highlight t)
1368 (defcustom gnus-treat-mail-picon
1369 (if (and (gnus-image-type-available-p 'xpm)
1370 (gnus-picons-installed-p))
1372 "Display picons in To and Cc headers.
1373 Valid values are nil, t, `head', `last', an integer or a predicate.
1374 See Info node `(gnus)Customizing Articles' and Info node
1375 `(gnus)Picons' for details."
1377 :group 'gnus-article-treat
1379 :link '(custom-manual "(gnus)Customizing Articles")
1380 :link '(custom-manual "(gnus)Picons")
1381 :type gnus-article-treat-head-custom)
1382 (put 'gnus-treat-mail-picon 'highlight t)
1384 (defcustom gnus-treat-newsgroups-picon
1385 (if (and (gnus-image-type-available-p 'xpm)
1386 (gnus-picons-installed-p))
1388 "Display picons in the Newsgroups and Followup-To headers.
1389 Valid values are nil, t, `head', `last', an integer or a predicate.
1390 See Info node `(gnus)Customizing Articles' and Info node
1391 `(gnus)Picons' for details."
1393 :group 'gnus-article-treat
1395 :link '(custom-manual "(gnus)Customizing Articles")
1396 :link '(custom-manual "(gnus)Picons")
1397 :type gnus-article-treat-head-custom)
1398 (put 'gnus-treat-newsgroups-picon 'highlight t)
1400 (defcustom gnus-treat-body-boundary
1401 (if (and (eq window-system 'x)
1402 (or gnus-treat-newsgroups-picon
1403 gnus-treat-mail-picon
1404 gnus-treat-from-picon))
1406 "Draw a boundary at the end of the headers.
1407 Valid values are nil and `head'.
1408 See Info node `(gnus)Customizing Articles' for details."
1410 :group 'gnus-article-treat
1411 :link '(custom-manual "(gnus)Customizing Articles")
1412 :type gnus-article-treat-head-custom)
1414 (defcustom gnus-treat-capitalize-sentences nil
1415 "Capitalize sentence-starting words.
1416 Valid values are nil, t, `head', `last', an integer or a predicate.
1417 See Info node `(gnus)Customizing Articles' for details."
1419 :group 'gnus-article-treat
1420 :link '(custom-manual "(gnus)Customizing Articles")
1421 :type gnus-article-treat-custom)
1423 (defcustom gnus-treat-wash-html nil
1425 Valid values are nil, t, `head', `last', an integer or a predicate.
1426 See Info node `(gnus)Customizing Articles' for details."
1428 :group 'gnus-article-treat
1429 :link '(custom-manual "(gnus)Customizing Articles")
1430 :type gnus-article-treat-custom)
1432 (defcustom gnus-treat-fill-long-lines nil
1434 Valid values are nil, t, `head', `last', an integer or a predicate.
1435 See Info node `(gnus)Customizing Articles' for details."
1436 :group 'gnus-article-treat
1437 :link '(custom-manual "(gnus)Customizing Articles")
1438 :type gnus-article-treat-custom)
1440 (defcustom gnus-treat-play-sounds nil
1442 Valid values are nil, t, `head', `last', an integer or a predicate.
1443 See Info node `(gnus)Customizing Articles' for details."
1445 :group 'gnus-article-treat
1446 :link '(custom-manual "(gnus)Customizing Articles")
1447 :type gnus-article-treat-custom)
1449 (defcustom gnus-treat-translate nil
1450 "Translate articles from one language to another.
1451 Valid values are nil, t, `head', `last', an integer or a predicate.
1452 See Info node `(gnus)Customizing Articles' for details."
1454 :group 'gnus-article-treat
1455 :link '(custom-manual "(gnus)Customizing Articles")
1456 :type gnus-article-treat-custom)
1458 (defcustom gnus-treat-x-pgp-sig nil
1460 To automatically treat X-PGP-Sig, set it to head.
1461 Valid values are nil, t, `head', `last', an integer or a predicate.
1462 See Info node `(gnus)Customizing Articles' for details."
1464 :group 'gnus-article-treat
1465 :group 'mime-security
1466 :link '(custom-manual "(gnus)Customizing Articles")
1467 :type gnus-article-treat-custom)
1469 (defvar gnus-article-encrypt-protocol-alist
1470 '(("PGP" . mml2015-self-encrypt)))
1472 ;; Set to nil if more than one protocol added to
1473 ;; gnus-article-encrypt-protocol-alist.
1474 (defcustom gnus-article-encrypt-protocol "PGP"
1475 "The protocol used for encrypt articles.
1476 It is a string, such as \"PGP\". If nil, ask user."
1479 :group 'mime-security)
1481 (defvar gnus-article-wash-function nil
1482 "Function used for converting HTML into text.")
1484 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1485 (mm-coding-system-p 'utf-8)
1486 (executable-find idna-program))
1487 "Whether IDNA decoding of headers is used when viewing messages.
1488 This requires GNU Libidn, and by default only enabled if it is found."
1490 :group 'gnus-article-headers
1493 (defcustom gnus-article-over-scroll nil
1494 "If non-nil, allow scrolling the article buffer even when there no more text."
1496 :group 'gnus-article
1499 ;;; Internal variables
1501 (defvar gnus-english-month-names
1502 '("January" "February" "March" "April" "May" "June" "July" "August"
1503 "September" "October" "November" "December"))
1505 (defvar gnus-button-regexp nil)
1506 (defvar gnus-button-marker-list nil)
1507 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1509 (defvar gnus-button-last nil)
1510 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1512 (defvar article-goto-body-goes-to-point-min-p nil)
1513 (defvar gnus-article-wash-types nil)
1514 (defvar gnus-article-emphasis-alist nil)
1515 (defvar gnus-article-image-alist nil)
1517 (defvar gnus-article-mime-handle-alist-1 nil)
1518 (defvar gnus-treatment-function-alist
1519 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1520 (gnus-treat-strip-banner gnus-article-strip-banner)
1521 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1522 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1523 (gnus-treat-buttonize gnus-article-add-buttons)
1524 (gnus-treat-fill-article gnus-article-fill-cited-article)
1525 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1526 (gnus-treat-strip-cr gnus-article-remove-cr)
1527 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1528 (gnus-treat-date-ut gnus-article-date-ut)
1529 (gnus-treat-date-local gnus-article-date-local)
1530 (gnus-treat-date-english gnus-article-date-english)
1531 (gnus-treat-date-original gnus-article-date-original)
1532 (gnus-treat-date-user-defined gnus-article-date-user)
1533 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1534 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1535 (gnus-treat-display-x-face gnus-article-display-x-face)
1536 (gnus-treat-display-face gnus-article-display-face)
1537 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1538 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1539 (gnus-treat-hide-signature gnus-article-hide-signature)
1540 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1541 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1542 (gnus-treat-strip-pem gnus-article-hide-pem)
1543 (gnus-treat-from-picon gnus-treat-from-picon)
1544 (gnus-treat-mail-picon gnus-treat-mail-picon)
1545 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1546 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1547 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1548 (gnus-treat-strip-trailing-blank-lines
1549 gnus-article-remove-trailing-blank-lines)
1550 (gnus-treat-strip-leading-blank-lines
1551 gnus-article-strip-leading-blank-lines)
1552 (gnus-treat-strip-multiple-blank-lines
1553 gnus-article-strip-multiple-blank-lines)
1554 (gnus-treat-overstrike gnus-article-treat-overstrike)
1555 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1556 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1557 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1558 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1559 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1560 (gnus-treat-display-smileys gnus-treat-smiley)
1561 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1562 (gnus-treat-wash-html gnus-article-wash-html)
1563 (gnus-treat-emphasize gnus-article-emphasize)
1564 (gnus-treat-hide-citation gnus-article-hide-citation)
1565 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1566 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1567 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1568 (gnus-treat-play-sounds gnus-earcon-display)))
1570 (defvar gnus-article-mime-handle-alist nil)
1571 (defvar article-lapsed-timer nil)
1572 (defvar gnus-article-current-summary nil)
1574 (defvar gnus-article-mode-syntax-table
1575 (let ((table (copy-syntax-table text-mode-syntax-table)))
1576 ;; This causes the citation match run O(2^n).
1577 ;; (modify-syntax-entry ?- "w" table)
1578 (modify-syntax-entry ?> ")<" table)
1579 (modify-syntax-entry ?< "(>" table)
1580 ;; make M-. in article buffers work for `foo' strings
1581 (modify-syntax-entry ?' " " table)
1582 (modify-syntax-entry ?` " " table)
1584 "Syntax table used in article mode buffers.
1585 Initialized from `text-mode-syntax-table.")
1587 (defvar gnus-save-article-buffer nil)
1589 (defvar gnus-article-mode-line-format-alist
1590 (nconc '((?w (gnus-article-wash-status) ?s)
1591 (?m (gnus-article-mime-part-status) ?s))
1592 gnus-summary-mode-line-format-alist))
1594 (defvar gnus-number-of-articles-to-be-saved nil)
1596 (defvar gnus-inhibit-hiding nil)
1598 (defvar gnus-article-edit-mode nil)
1600 ;;; Macros for dealing with the article buffer.
1602 (defmacro gnus-with-article-headers (&rest forms)
1604 (set-buffer gnus-article-buffer)
1606 (let ((inhibit-read-only t)
1607 (inhibit-point-motion-hooks t)
1608 (case-fold-search t))
1609 (article-narrow-to-head)
1612 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1613 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1615 (defmacro gnus-with-article-buffer (&rest forms)
1617 (set-buffer gnus-article-buffer)
1618 (let ((inhibit-read-only t))
1621 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1622 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1624 (defun gnus-article-goto-header (header)
1625 "Go to HEADER, which is a regular expression."
1626 (re-search-forward (concat "^\\(" header "\\):") nil t))
1628 (defsubst gnus-article-hide-text (b e props)
1629 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1630 (gnus-add-text-properties-when 'article-type nil b e props)
1631 (when (memq 'intangible props)
1633 (max (1- b) (point-min))
1634 b 'intangible (cddr (memq 'intangible props)))))
1636 (defsubst gnus-article-unhide-text (b e)
1637 "Remove hidden text properties from region between B and E."
1638 (remove-text-properties b e gnus-hidden-properties)
1639 (when (memq 'intangible gnus-hidden-properties)
1640 (put-text-property (max (1- b) (point-min))
1641 b 'intangible nil)))
1643 (defun gnus-article-hide-text-type (b e type)
1644 "Hide text of TYPE between B and E."
1645 (gnus-add-wash-type type)
1646 (gnus-article-hide-text
1647 b e (cons 'article-type (cons type gnus-hidden-properties))))
1649 (defun gnus-article-unhide-text-type (b e type)
1650 "Unhide text of TYPE between B and E."
1651 (gnus-delete-wash-type type)
1652 (remove-text-properties
1653 b e (cons 'article-type (cons type gnus-hidden-properties)))
1654 (when (memq 'intangible gnus-hidden-properties)
1655 (put-text-property (max (1- b) (point-min))
1656 b 'intangible nil)))
1658 (defun gnus-article-hide-text-of-type (type)
1659 "Hide text of TYPE in the current buffer."
1661 (let ((b (point-min))
1663 (while (setq b (text-property-any b e 'article-type type))
1664 (add-text-properties b (incf b) gnus-hidden-properties)))))
1666 (defun gnus-article-delete-text-of-type (type)
1667 "Delete text of TYPE in the current buffer."
1669 (let ((b (point-min)))
1670 (while (setq b (text-property-any b (point-max) 'article-type type))
1672 b (or (text-property-not-all b (point-max) 'article-type type)
1675 (defun gnus-article-delete-invisible-text ()
1676 "Delete all invisible text in the current buffer."
1678 (let ((b (point-min)))
1679 (while (setq b (text-property-any b (point-max) 'invisible t))
1681 b (or (text-property-not-all b (point-max) 'invisible t)
1684 (defun gnus-article-text-type-exists-p (type)
1685 "Say whether any text of type TYPE exists in the buffer."
1686 (text-property-any (point-min) (point-max) 'article-type type))
1688 (defsubst gnus-article-header-rank ()
1689 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1690 (let ((list gnus-sorted-header-list)
1693 (if (looking-at (car list))
1695 (setq list (cdr list))
1699 (defun article-hide-headers (&optional arg delete)
1700 "Hide unwanted headers and possibly sort them as well."
1702 ;; This function might be inhibited.
1703 (unless gnus-inhibit-hiding
1704 (let ((inhibit-read-only nil)
1705 (case-fold-search t)
1706 (max (1+ (length gnus-sorted-header-list)))
1707 (inhibit-point-motion-hooks t)
1708 (cur (current-buffer))
1709 ignored visible beg)
1711 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1712 ;; group parameters, so we should go to the summary buffer.
1715 (progn (set-buffer gnus-summary-buffer) t)
1717 (setq ignored (when (not gnus-visible-headers)
1718 (cond ((stringp gnus-ignored-headers)
1719 gnus-ignored-headers)
1720 ((listp gnus-ignored-headers)
1721 (mapconcat 'identity
1722 gnus-ignored-headers
1724 visible (cond ((stringp gnus-visible-headers)
1725 gnus-visible-headers)
1726 ((and gnus-visible-headers
1727 (listp gnus-visible-headers))
1728 (mapconcat 'identity
1729 gnus-visible-headers
1733 ;; First we narrow to just the headers.
1734 (article-narrow-to-head)
1735 ;; Hide any "From " lines at the beginning of (mail) articles.
1736 (while (looking-at "From ")
1739 (delete-region (point-min) (point)))
1740 ;; Then treat the rest of the header lines.
1741 ;; Then we use the two regular expressions
1742 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1743 ;; select which header lines is to remain visible in the
1745 (while (re-search-forward "^[^ \t:]*:" nil t)
1747 ;; Mark the rank of the header.
1749 (point) (1+ (point)) 'message-rank
1750 (if (or (and visible (looking-at visible))
1752 (not (looking-at ignored))))
1753 (gnus-article-header-rank)
1756 (message-sort-headers-1)
1757 (when (setq beg (text-property-any
1758 (point-min) (point-max) 'message-rank (+ 2 max)))
1759 ;; We delete the unwanted headers.
1760 (gnus-add-wash-type 'headers)
1761 (add-text-properties (point-min) (+ 5 (point-min))
1762 '(article-type headers dummy-invisible t))
1763 (delete-region beg (point-max))))))))
1765 (defun article-hide-boring-headers (&optional arg)
1766 "Toggle hiding of headers that aren't very interesting.
1767 If given a negative prefix, always show; if given a positive prefix,
1769 (interactive (gnus-article-hidden-arg))
1770 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1771 (not gnus-show-all-headers))
1774 (let ((inhibit-read-only t)
1775 (inhibit-point-motion-hooks t))
1776 (article-narrow-to-head)
1777 (dolist (elem gnus-boring-article-headers)
1778 (goto-char (point-min))
1780 ;; Hide empty headers.
1782 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1784 (gnus-article-hide-text-type
1788 (if (re-search-forward "^[^ \t]" nil t)
1792 ;; Hide boring Newsgroups header.
1793 ((eq elem 'newsgroups)
1794 (when (gnus-string-equal
1795 (gnus-fetch-field "newsgroups")
1796 (gnus-group-real-name
1797 (if (boundp 'gnus-newsgroup-name)
1800 (gnus-article-hide-header "newsgroups")))
1801 ((eq elem 'to-address)
1802 (let ((to (message-fetch-field "to"))
1804 (gnus-parameter-to-address
1805 (if (boundp 'gnus-newsgroup-name)
1806 gnus-newsgroup-name ""))))
1807 (when (and to to-address
1810 ;; only one address in To
1811 (nth 1 (mail-extract-address-components to))
1813 (gnus-article-hide-header "to"))))
1815 (let ((to (message-fetch-field "to"))
1817 (gnus-parameter-to-list
1818 (if (boundp 'gnus-newsgroup-name)
1819 gnus-newsgroup-name ""))))
1820 (when (and to to-list
1823 ;; only one address in To
1824 (nth 1 (mail-extract-address-components to))
1826 (gnus-article-hide-header "to"))))
1828 (let ((cc (message-fetch-field "cc"))
1830 (gnus-parameter-to-list
1831 (if (boundp 'gnus-newsgroup-name)
1832 gnus-newsgroup-name ""))))
1833 (when (and cc to-list
1836 ;; only one address in CC
1837 (nth 1 (mail-extract-address-components cc))
1839 (gnus-article-hide-header "cc"))))
1840 ((eq elem 'followup-to)
1841 (when (gnus-string-equal
1842 (message-fetch-field "followup-to")
1843 (message-fetch-field "newsgroups"))
1844 (gnus-article-hide-header "followup-to")))
1845 ((eq elem 'reply-to)
1846 (if (gnus-group-find-parameter
1847 gnus-newsgroup-name 'broken-reply-to)
1848 (gnus-article-hide-header "reply-to")
1849 (let ((from (message-fetch-field "from"))
1850 (reply-to (message-fetch-field "reply-to")))
1857 (lambda (x) (downcase (cadr x)))
1858 (mail-extract-address-components from t))
1861 (lambda (x) (downcase (cadr x)))
1862 (mail-extract-address-components reply-to t))
1864 (gnus-article-hide-header "reply-to")))))
1866 (let ((date (message-fetch-field "date")))
1868 (< (days-between (current-time-string) date)
1870 (gnus-article-hide-header "date"))))
1872 (let ((to (message-fetch-field "to"))
1873 (cc (message-fetch-field "cc")))
1874 (when (> (length to) 1024)
1875 (gnus-article-hide-header "to"))
1876 (when (> (length cc) 1024)
1877 (gnus-article-hide-header "cc"))))
1881 (goto-char (point-min))
1882 (while (re-search-forward "^to:" nil t)
1883 (setq to-count (1+ to-count)))
1884 (when (> to-count 1)
1885 (while (> to-count 0)
1886 (goto-char (point-min))
1888 (re-search-forward "^to:" nil nil to-count)
1890 (narrow-to-region (point) (point-max))
1891 (gnus-article-hide-header "to"))
1892 (setq to-count (1- to-count))))
1893 (goto-char (point-min))
1894 (while (re-search-forward "^cc:" nil t)
1895 (setq cc-count (1+ cc-count)))
1896 (when (> cc-count 1)
1897 (while (> cc-count 0)
1898 (goto-char (point-min))
1900 (re-search-forward "^cc:" nil nil cc-count)
1902 (narrow-to-region (point) (point-max))
1903 (gnus-article-hide-header "cc"))
1904 (setq cc-count (1- cc-count)))))))))))))
1906 (defun gnus-article-hide-header (header)
1908 (goto-char (point-min))
1909 (when (re-search-forward (concat "^" header ":") nil t)
1910 (gnus-article-hide-text-type
1914 (if (re-search-forward "^[^ \t]" nil t)
1919 (defvar gnus-article-normalized-header-length 40
1920 "Length of normalized headers.")
1922 (defun article-normalize-headers ()
1923 "Make all header lines 40 characters long."
1925 (let ((inhibit-read-only t)
1929 (article-narrow-to-head)
1932 ((< (setq column (- (point-at-eol) (point)))
1933 gnus-article-normalized-header-length)
1935 (insert (make-string
1936 (- gnus-article-normalized-header-length column)
1938 ((> column gnus-article-normalized-header-length)
1939 (gnus-put-text-property
1941 (forward-char gnus-article-normalized-header-length)
1948 (forward-line 1))))))
1950 (defun article-treat-dumbquotes ()
1951 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1952 Note that this function guesses whether a character is a sm*rtq**t* or
1953 not, so it should only be used interactively.
1955 Sm*rtq**t*s are M****s***'s unilateral extension to the
1956 iso-8859-1 character map in an attempt to provide more quoting
1957 characters. If you see something like \\222 or \\264 where
1958 you're expecting some kind of apostrophe or quotation mark, then
1961 (article-translate-strings gnus-article-dumbquotes-map))
1963 (defun article-translate-characters (from to)
1964 "Translate all characters in the body of the article according to FROM and TO.
1965 FROM is a string of characters to translate from; to is a string of
1966 characters to translate to."
1968 (when (article-goto-body)
1969 (let ((inhibit-read-only t)
1970 (x (make-string 225 ?x))
1972 (while (< (incf i) (length x))
1975 (while (< i (length from))
1976 (aset x (aref from i) (aref to i))
1978 (translate-region (point) (point-max) x)))))
1980 (defun article-translate-strings (map)
1981 "Translate all string in the body of the article according to MAP.
1982 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1984 (when (article-goto-body)
1985 (let ((inhibit-read-only t))
1988 (while (search-forward (car elem) nil t)
1989 (replace-match (cadr elem)))))))))
1991 (defun article-treat-overstrike ()
1992 "Translate overstrikes into bold text."
1995 (when (article-goto-body)
1996 (let ((inhibit-read-only t))
1997 (while (search-forward "\b" nil t)
1998 (let ((next (char-after))
1999 (previous (char-after (- (point) 2))))
2000 ;; We do the boldification/underlining by hiding the
2001 ;; overstrikes and putting the proper text property
2005 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2006 (put-text-property (point) (1+ (point)) 'face 'bold))
2008 (gnus-article-hide-text-type
2009 (1- (point)) (1+ (point)) 'overstrike)
2011 (- (point) 2) (1- (point)) 'face 'underline))
2013 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2015 (point) (1+ (point)) 'face 'underline)))))))))
2017 (defun article-treat-ansi-sequences ()
2018 "Translate ANSI SGR control sequences into overlays or extents."
2021 (when (article-goto-body)
2022 (let ((inhibit-read-only t))
2023 (ansi-color-apply-on-region (point) (point-max))))))
2025 (defun gnus-article-treat-unfold-headers ()
2026 "Unfold folded message headers.
2027 Only the headers that fit into the current window width will be
2030 (gnus-with-article-headers
2034 (mail-header-narrow-to-field)
2035 (let ((header (buffer-string)))
2038 (goto-char (point-min))
2039 (while (re-search-forward "\n[\t ]" nil t)
2040 (replace-match " " t t)))
2041 (setq length (- (point-max) (point-min) 1)))
2042 (when (< length (window-width))
2043 (while (re-search-forward "\n[\t ]" nil t)
2044 (replace-match " " t t)))
2045 (goto-char (point-max)))))))
2047 (defun gnus-article-treat-fold-headers ()
2048 "Fold message headers."
2050 (gnus-with-article-headers
2053 (mail-header-narrow-to-field)
2054 (mail-header-fold-field)
2055 (goto-char (point-max))))))
2057 (defun gnus-treat-smiley ()
2058 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2060 (gnus-with-article-buffer
2061 (if (memq 'smiley gnus-article-wash-types)
2062 (gnus-delete-images 'smiley)
2064 (let ((images (smiley-region (point) (point-max))))
2066 (gnus-add-wash-type 'smiley)
2067 (dolist (image images)
2068 (gnus-add-image 'smiley image)))))))
2070 (defun gnus-article-remove-images ()
2071 "Remove all images from the article buffer."
2073 (gnus-with-article-buffer
2074 (dolist (elem gnus-article-image-alist)
2075 (gnus-delete-images (car elem)))))
2077 (defun gnus-article-treat-fold-newsgroups ()
2078 "Unfold folded message headers.
2079 Only the headers that fit into the current window width will be
2082 (gnus-with-article-headers
2083 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2085 (mail-header-narrow-to-field)
2086 (while (re-search-forward ", *" nil t)
2087 (replace-match ", " t t))
2088 (mail-header-fold-field)
2089 (goto-char (point-max))))))
2091 (defun gnus-article-treat-body-boundary ()
2092 "Place a boundary line at the end of the headers."
2094 (when (and gnus-body-boundary-delimiter
2095 (> (length gnus-body-boundary-delimiter) 0))
2096 (gnus-with-article-headers
2097 (goto-char (point-max))
2098 (let ((start (point)))
2099 (insert "X-Boundary: ")
2100 (gnus-add-text-properties start (point) '(invisible t intangible t))
2102 (while (>= (1- (window-width)) (length str))
2103 (setq str (concat str gnus-body-boundary-delimiter)))
2104 (substring str 0 (1- (window-width))))
2106 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2108 (defun article-fill-long-lines ()
2109 "Fill lines that are wider than the window width."
2112 (let ((inhibit-read-only t)
2113 (width (window-width (get-buffer-window (current-buffer)))))
2116 (let ((adaptive-fill-mode nil)) ;Why? -sm
2119 (when (>= (current-column) (min fill-column width))
2120 (narrow-to-region (min (1+ (point)) (point-max))
2122 (let ((goback (point-marker)))
2123 (fill-paragraph nil)
2124 (goto-char (marker-position goback)))
2126 (forward-line 1)))))))
2128 (defun article-capitalize-sentences ()
2129 "Capitalize the first word in each sentence."
2132 (let ((inhibit-read-only t)
2133 (paragraph-start "^[\n\^L]"))
2137 (forward-sentence)))))
2139 (defun article-remove-cr ()
2140 "Remove trailing CRs and then translate remaining CRs into LFs."
2143 (let ((inhibit-read-only t))
2144 (goto-char (point-min))
2145 (while (re-search-forward "\r+$" nil t)
2146 (replace-match "" t t))
2147 (goto-char (point-min))
2148 (while (search-forward "\r" nil t)
2149 (replace-match "\n" t t)))))
2151 (defun article-remove-trailing-blank-lines ()
2152 "Remove all trailing blank lines from the article."
2155 (let ((inhibit-read-only t))
2156 (goto-char (point-max))
2160 (while (and (not (bobp))
2161 (looking-at "^[ \t]*$")
2162 (not (gnus-annotation-in-region-p
2163 (point) (point-at-eol))))
2169 (defvar gnus-face-properties-alist))
2171 (defun article-display-face ()
2172 "Display any Face headers in the header."
2174 (let ((wash-face-p buffer-read-only))
2175 (gnus-with-article-headers
2176 ;; When displaying parts, this function can be called several times on
2177 ;; the same article, without any intended toggle semantic (as typing `W
2178 ;; D d' would have). So face deletion must occur only when we come from
2179 ;; an interactive command, that is when the *Article* buffer is
2181 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2182 (gnus-delete-images 'face)
2183 (let (face faces from)
2184 (save-current-buffer
2185 (when (and wash-face-p
2186 (gnus-buffer-live-p gnus-original-article-buffer)
2187 (not (re-search-forward "^Face:[\t ]*" nil t)))
2188 (set-buffer gnus-original-article-buffer))
2190 (mail-narrow-to-head)
2191 (while (gnus-article-goto-header "Face")
2192 (push (mail-header-field-value) faces))))
2194 (goto-char (point-min))
2195 (let ((from (gnus-article-goto-header "from"))
2200 (insert "[no `from' set]\n"))
2202 (when (setq png (gnus-convert-face-to-png (pop faces)))
2204 (apply 'gnus-create-image png 'png t
2205 (cdr (assq 'png gnus-face-properties-alist))))
2207 (gnus-add-wash-type 'face)
2208 (gnus-add-image 'face image)
2209 (gnus-put-image image nil 'face))))))))))
2211 (defun article-display-x-face (&optional force)
2212 "Look for an X-Face header and display it if present."
2213 (interactive (list 'force))
2214 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2215 (gnus-with-article-headers
2216 ;; Delete the old process, if any.
2217 (when (process-status "article-x-face")
2218 (delete-process "article-x-face"))
2219 ;; See the comment in `article-display-face'.
2220 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2221 ;; We have already displayed X-Faces, so we remove them
2223 (gnus-delete-images 'xface)
2225 (let (x-faces from face)
2226 (save-current-buffer
2227 (when (and wash-face-p
2228 (gnus-buffer-live-p gnus-original-article-buffer)
2229 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2230 ;; If type `W f', use gnus-original-article-buffer,
2231 ;; otherwise use the current buffer because displaying
2232 ;; RFC822 parts calls this function too.
2233 (set-buffer gnus-original-article-buffer))
2235 (mail-narrow-to-head)
2236 (while (gnus-article-goto-header "X-Face")
2237 (push (mail-header-field-value) x-faces))
2238 (setq from (message-fetch-field "from"))))
2239 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2240 ;; single external face.
2241 (when (stringp gnus-article-x-face-command)
2242 (setq x-faces (list (car x-faces))))
2244 gnus-article-x-face-command
2246 ;; Check whether this face is censored.
2247 (not gnus-article-x-face-too-ugly)
2249 (not (string-match gnus-article-x-face-too-ugly
2251 (while (setq face (pop x-faces))
2252 ;; We display the face.
2253 (cond ((stringp gnus-article-x-face-command)
2254 ;; The command is a string, so we interpret the command
2255 ;; as a, well, command, and fork it off.
2256 (let ((process-connection-type nil))
2257 (gnus-set-process-query-on-exit-flag
2259 "article-x-face" nil shell-file-name
2260 shell-command-switch gnus-article-x-face-command)
2264 (process-send-region "article-x-face"
2265 (point-min) (point-max)))
2266 (process-send-eof "article-x-face")))
2267 ((functionp gnus-article-x-face-command)
2268 ;; The command is a lisp function, so we call it.
2269 (funcall gnus-article-x-face-command face))
2271 (error "%s is not a function"
2272 gnus-article-x-face-command))))))))))
2274 (defun article-decode-mime-words ()
2275 "Decode all MIME-encoded words in the article."
2277 (gnus-with-article-buffer
2278 (let ((inhibit-point-motion-hooks t)
2279 (mail-parse-charset gnus-newsgroup-charset)
2280 (mail-parse-ignored-charsets
2281 (with-current-buffer gnus-summary-buffer
2282 gnus-newsgroup-ignored-charsets)))
2283 (mail-decode-encoded-word-region (point-min) (point-max)))))
2285 (defun article-decode-charset (&optional prompt)
2286 "Decode charset-encoded text in the article.
2287 If PROMPT (the prefix), prompt for a coding system to use."
2289 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2290 (inhibit-read-only t)
2291 (mail-parse-charset gnus-newsgroup-charset)
2292 (mail-parse-ignored-charsets
2293 (save-excursion (condition-case nil
2294 (set-buffer gnus-summary-buffer)
2296 gnus-newsgroup-ignored-charsets))
2297 ct cte ctl charset format)
2300 (article-narrow-to-head)
2301 (setq ct (message-fetch-field "Content-Type" t)
2302 cte (message-fetch-field "Content-Transfer-Encoding" t)
2303 ctl (and ct (ignore-errors
2304 (mail-header-parse-content-type ct)))
2307 (mm-read-coding-system "Charset to decode: "))
2309 (mail-content-type-get ctl 'charset)))
2310 format (and ctl (mail-content-type-get ctl 'format)))
2312 (setq cte (mail-header-strip cte)))
2313 (if (and ctl (not (string-match "/" (car ctl))))
2315 (goto-char (point-max)))
2318 (narrow-to-region (point) (point-max))
2319 (when (and (eq mail-parse-charset 'gnus-decoded)
2320 (eq (mm-body-7-or-8) '8bit))
2321 ;; The text code could have been decoded.
2322 (setq charset mail-parse-charset))
2323 (when (and (or (not ctl)
2324 (equal (car ctl) "text/plain"))
2325 (not format)) ;; article with format will decode later.
2327 charset (and cte (intern (downcase
2328 (gnus-strip-whitespace cte))))
2331 (defun article-decode-encoded-words ()
2332 "Remove encoded-word encoding from headers."
2333 (let ((inhibit-point-motion-hooks t)
2334 (mail-parse-charset gnus-newsgroup-charset)
2335 (mail-parse-ignored-charsets
2336 (save-excursion (condition-case nil
2337 (set-buffer gnus-summary-buffer)
2339 gnus-newsgroup-ignored-charsets))
2340 (inhibit-read-only t))
2342 (article-narrow-to-head)
2343 (funcall gnus-decode-header-function (point-min) (point-max)))))
2345 (defun article-decode-group-name ()
2346 "Decode group names in `Newsgroups:'."
2347 (let ((inhibit-point-motion-hooks t)
2348 (inhibit-read-only t)
2349 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2350 (when (and (or gnus-group-name-charset-method-alist
2351 gnus-group-name-charset-group-alist)
2352 (gnus-buffer-live-p gnus-original-article-buffer))
2354 (article-narrow-to-head)
2355 (with-current-buffer gnus-original-article-buffer
2356 (goto-char (point-min)))
2357 (while (re-search-forward
2358 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2359 (replace-match (save-match-data
2360 (gnus-decode-newsgroups
2361 ;; XXX how to use data in article buffer?
2362 (with-current-buffer gnus-original-article-buffer
2364 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2367 gnus-newsgroup-name method))
2369 (goto-char (point-min))
2370 (with-current-buffer gnus-original-article-buffer
2371 (goto-char (point-min)))
2372 (while (re-search-forward
2373 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2374 (replace-match (save-match-data
2375 (gnus-decode-newsgroups
2376 ;; XXX how to use data in article buffer?
2377 (with-current-buffer gnus-original-article-buffer
2379 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2382 gnus-newsgroup-name method))
2385 (autoload 'idna-to-unicode "idna")
2387 (defun article-decode-idna-rhs ()
2388 "Decode IDNA strings in RHS in various headers in current buffer.
2389 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2390 Mail-Reply-To: and Mail-Followup-To:."
2393 (let ((inhibit-point-motion-hooks t)
2394 (inhibit-read-only t))
2395 (article-narrow-to-head)
2396 (goto-char (point-min))
2397 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2399 (when (save-match-data
2400 (and (setq ace (match-string 1))
2402 (and (re-search-backward "^[^ \t]" nil t)
2403 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2404 (setq unicode (idna-to-unicode ace))))
2405 (unless (string= ace unicode)
2406 (replace-match unicode nil nil nil 1)))))))))
2408 (defun article-de-quoted-unreadable (&optional force read-charset)
2409 "Translate a quoted-printable-encoded article.
2410 If FORCE, decode the article whether it is marked as quoted-printable
2412 If READ-CHARSET, ask for a coding system."
2413 (interactive (list 'force current-prefix-arg))
2415 (let ((inhibit-read-only t) type charset)
2416 (if (gnus-buffer-live-p gnus-original-article-buffer)
2417 (with-current-buffer gnus-original-article-buffer
2419 (gnus-fetch-field "content-transfer-encoding"))
2420 (let* ((ct (gnus-fetch-field "content-type"))
2423 (mail-header-parse-content-type ct)))))
2424 (setq charset (and ctl
2425 (mail-content-type-get ctl 'charset)))
2426 (if (stringp charset)
2427 (setq charset (intern (downcase charset)))))))
2429 (setq charset (mm-read-coding-system "Charset: " charset)))
2431 (setq charset gnus-newsgroup-charset))
2433 (and type (let ((case-fold-search t))
2434 (string-match "quoted-printable" type))))
2436 (quoted-printable-decode-region
2437 (point) (point-max) (mm-charset-to-coding-system charset))))))
2439 (defun article-de-base64-unreadable (&optional force read-charset)
2440 "Translate a base64 article.
2441 If FORCE, decode the article whether it is marked as base64 not.
2442 If READ-CHARSET, ask for a coding system."
2443 (interactive (list 'force current-prefix-arg))
2445 (let ((inhibit-read-only t) type charset)
2446 (if (gnus-buffer-live-p gnus-original-article-buffer)
2447 (with-current-buffer gnus-original-article-buffer
2449 (gnus-fetch-field "content-transfer-encoding"))
2450 (let* ((ct (gnus-fetch-field "content-type"))
2453 (mail-header-parse-content-type ct)))))
2454 (setq charset (and ctl
2455 (mail-content-type-get ctl 'charset)))
2456 (if (stringp charset)
2457 (setq charset (intern (downcase charset)))))))
2459 (setq charset (mm-read-coding-system "Charset: " charset)))
2461 (setq charset gnus-newsgroup-charset))
2463 (and type (let ((case-fold-search t))
2464 (string-match "base64" type))))
2467 (narrow-to-region (point) (point-max))
2468 (base64-decode-region (point-min) (point-max))
2469 (mm-decode-coding-region
2470 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2475 (defun article-decode-HZ ()
2476 "Translate a HZ-encoded article."
2480 (let ((inhibit-read-only t))
2481 (rfc1843-decode-region (point-min) (point-max)))))
2483 (defun article-unsplit-urls ()
2484 "Remove the newlines that some other mailers insert into URLs."
2487 (let ((inhibit-read-only t))
2488 (goto-char (point-min))
2489 (while (re-search-forward
2490 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2491 (replace-match "\\1\\3" t)))
2492 (when (interactive-p)
2493 (gnus-treat-article nil))))
2496 (defun article-wash-html (&optional read-charset)
2497 "Format an HTML article.
2498 If READ-CHARSET, ask for a coding system."
2501 (let ((inhibit-read-only t)
2503 (when (gnus-buffer-live-p gnus-original-article-buffer)
2504 (with-current-buffer gnus-original-article-buffer
2505 (let* ((ct (gnus-fetch-field "content-type"))
2508 (mail-header-parse-content-type ct)))))
2509 (setq charset (and ctl
2510 (mail-content-type-get ctl 'charset)))
2511 (when (stringp charset)
2512 (setq charset (intern (downcase charset)))))))
2514 (setq charset (mm-read-coding-system "Charset: " charset)))
2516 (setq charset gnus-newsgroup-charset))
2518 (save-window-excursion
2520 (narrow-to-region (point) (point-max))
2521 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2522 (entry (assq func mm-text-html-washer-alist)))
2524 (setq func (cdr entry)))
2529 (apply (car func) (cdr func))))))))))
2531 (defun gnus-article-wash-html-with-w3 ()
2532 "Wash the current buffer with w3."
2534 (let ((w3-strict-width (window-width))
2535 (url-standalone-mode t)
2536 (url-gateway-unplugged t)
2537 (w3-honor-stylesheets nil))
2539 (w3-region (point-min) (point-max))
2542 (defun gnus-article-wash-html-with-w3m ()
2543 "Wash the current buffer with emacs-w3m."
2546 (narrow-to-region (point) (point-max))
2547 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2548 w3m-force-redisplay)
2549 (w3m-region (point-min) (point-max)))
2550 (when (and mm-inline-text-html-with-w3m-keymap
2551 (boundp 'w3m-minor-mode-map)
2553 (add-text-properties
2554 (point-min) (point-max)
2555 (list 'keymap w3m-minor-mode-map
2556 ;; Put the mark meaning this part was rendered by emacs-w3m.
2557 'mm-inline-text-html-with-w3m t)))))
2559 (defun article-hide-list-identifiers ()
2560 "Remove list identifies from the Subject header.
2561 The `gnus-list-identifiers' variable specifies what to do."
2563 (let ((inhibit-point-motion-hooks t)
2564 (regexp (if (consp gnus-list-identifiers)
2565 (mapconcat 'identity gnus-list-identifiers " *\\|")
2566 gnus-list-identifiers))
2567 (inhibit-read-only t))
2571 (article-narrow-to-head)
2572 (goto-char (point-min))
2573 (while (re-search-forward
2574 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2576 (delete-region (match-beginning 2) (match-end 0))
2577 (beginning-of-line))
2578 (when (re-search-forward
2579 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2580 (delete-region (match-beginning 1) (match-end 1))))))))
2582 (defun article-hide-pem (&optional arg)
2583 "Toggle hiding of any PEM headers and signatures in the current article.
2584 If given a negative prefix, always show; if given a positive prefix,
2586 (interactive (gnus-article-hidden-arg))
2587 (unless (gnus-article-check-hidden-text 'pem arg)
2589 (let ((inhibit-read-only t) end)
2590 (goto-char (point-min))
2591 ;; Hide the horrendously ugly "header".
2592 (when (and (search-forward
2593 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2595 (setq end (1+ (match-beginning 0))))
2596 (gnus-add-wash-type 'pem)
2597 (gnus-article-hide-text-type
2599 (if (search-forward "\n\n" nil t)
2603 ;; Hide the trailer as well
2604 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2606 (gnus-article-hide-text-type
2607 (match-beginning 0) (match-end 0) 'pem)))))))
2609 (defun article-strip-banner ()
2610 "Strip the banners specified by the `banner' group parameter and by
2611 `gnus-article-address-banner-alist'."
2615 (let ((inhibit-point-motion-hooks t))
2616 (when (gnus-parameter-banner gnus-newsgroup-name)
2617 (article-really-strip-banner
2618 (gnus-parameter-banner gnus-newsgroup-name)))
2619 (when gnus-article-address-banner-alist
2620 ;; It is necessary to encode from fields before checking,
2621 ;; because `mail-header-parse-addresses' does not work
2622 ;; (reliably) on decoded headers. And more, it is
2623 ;; impossible to use `gnus-fetch-original-field' here,
2624 ;; because `article-strip-banner' may be called in draft
2625 ;; buffers to preview them.
2626 (let ((from (save-restriction
2628 (article-narrow-to-head)
2629 (mail-fetch-field "from"))))
2632 (caar (mail-header-parse-addresses
2633 (mail-encode-encoded-word-string from)))))
2635 (dolist (pair gnus-article-address-banner-alist)
2636 (when (string-match (car pair) from)
2638 (article-really-strip-banner (cdr pair)))))))))))))
2640 (defun article-really-strip-banner (banner)
2641 "Strip the banner specified by the argument."
2644 (let ((inhibit-point-motion-hooks t)
2645 (gnus-signature-limit nil)
2646 (inhibit-read-only t))
2649 ((eq banner 'signature)
2650 (when (gnus-article-narrow-to-signature)
2653 (delete-region (point) (point-max))))
2655 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2656 (while (re-search-forward banner nil t)
2657 (delete-region (match-beginning 0) (match-end 0)))))
2659 (while (re-search-forward banner nil t)
2660 (delete-region (match-beginning 0) (match-end 0)))))))))
2662 (defun article-babel ()
2663 "Translate article using an online translation service."
2666 (gnus-with-article-buffer
2667 (when (article-goto-body)
2668 (let* ((start (point))
2670 (orig (buffer-substring start end))
2671 (trans (babel-as-string orig)))
2673 (narrow-to-region start end)
2674 (delete-region start end)
2677 (defun article-hide-signature (&optional arg)
2678 "Hide the signature in the current article.
2679 If given a negative prefix, always show; if given a positive prefix,
2681 (interactive (gnus-article-hidden-arg))
2682 (unless (gnus-article-check-hidden-text 'signature arg)
2685 (let ((inhibit-read-only t))
2686 (when (gnus-article-narrow-to-signature)
2687 (gnus-article-hide-text-type
2688 (point-min) (point-max) 'signature))))))
2689 (gnus-set-mode-line 'article))
2691 (defun article-strip-headers-in-body ()
2692 "Strip offensive headers from bodies."
2696 (let ((case-fold-search t))
2697 (when (looking-at "x-no-archive:")
2698 (gnus-delete-line)))))
2700 (defun article-strip-leading-blank-lines ()
2701 "Remove all blank lines from the beginning of the article."
2704 (let ((inhibit-point-motion-hooks t)
2705 (inhibit-read-only t))
2706 (when (article-goto-body)
2707 (while (and (not (eobp))
2708 (looking-at "[ \t]*$"))
2709 (gnus-delete-line))))))
2711 (defun article-narrow-to-head ()
2712 "Narrow the buffer to the head of the message.
2713 Point is left at the beginning of the narrowed-to region."
2715 (goto-char (point-min))
2716 (if (search-forward "\n\n" nil 1)
2719 (goto-char (point-min)))
2721 (defun article-goto-body ()
2722 "Place point at the start of the body."
2723 (goto-char (point-min))
2725 ;; This variable is only bound when dealing with separate
2727 (article-goto-body-goes-to-point-min-p
2729 ((search-forward "\n\n" nil t)
2732 (goto-char (point-max))
2735 (defun article-strip-multiple-blank-lines ()
2736 "Replace consecutive blank lines with one empty line."
2739 (let ((inhibit-point-motion-hooks t)
2740 (inhibit-read-only t))
2741 ;; First make all blank lines empty.
2743 (while (re-search-forward "^[ \t]+$" nil t)
2744 (unless (gnus-annotation-in-region-p
2745 (match-beginning 0) (match-end 0))
2746 (replace-match "" nil t)))
2747 ;; Then replace multiple empty lines with a single empty line.
2749 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2750 (unless (gnus-annotation-in-region-p
2751 (match-beginning 0) (match-end 0))
2752 (delete-region (match-beginning 1) (match-end 1)))))))
2754 (defun article-strip-leading-space ()
2755 "Remove all white space from the beginning of the lines in the article."
2758 (let ((inhibit-point-motion-hooks t)
2759 (inhibit-read-only t))
2761 (while (re-search-forward "^[ \t]+" nil t)
2762 (replace-match "" t t)))))
2764 (defun article-strip-trailing-space ()
2765 "Remove all white space from the end of the lines in the article."
2768 (let ((inhibit-point-motion-hooks t)
2769 (inhibit-read-only t))
2771 (while (re-search-forward "[ \t]+$" nil t)
2772 (replace-match "" t t)))))
2774 (defun article-strip-blank-lines ()
2775 "Strip leading, trailing and multiple blank lines."
2777 (article-strip-leading-blank-lines)
2778 (article-remove-trailing-blank-lines)
2779 (article-strip-multiple-blank-lines))
2781 (defun article-strip-all-blank-lines ()
2782 "Strip all blank lines."
2785 (let ((inhibit-point-motion-hooks t)
2786 (inhibit-read-only t))
2788 (while (re-search-forward "^[ \t]*\n" nil t)
2789 (replace-match "" t t)))))
2791 (defun gnus-article-narrow-to-signature ()
2792 "Narrow to the signature; return t if a signature is found, else nil."
2793 (let ((inhibit-point-motion-hooks t))
2794 (when (gnus-article-search-signature)
2796 ;; Check whether we have some limits to what we consider
2797 ;; to be a signature.
2798 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2799 (list gnus-signature-limit)))
2801 (while (setq limit (pop limits))
2802 (if (or (and (integerp limit)
2803 (< (- (point-max) (point)) limit))
2805 (< (count-lines (point) (point-max)) limit))
2806 (and (functionp limit)
2808 (and (stringp limit)
2809 (not (re-search-forward limit nil t))))
2810 () ; This limit did not succeed.
2814 (narrow-to-region (point) (point-max))
2817 (defun gnus-article-search-signature ()
2818 "Search the current buffer for the signature separator.
2819 Put point at the beginning of the signature separator."
2820 (let ((cur (point)))
2821 (goto-char (point-max))
2822 (if (if (stringp gnus-signature-separator)
2823 (re-search-backward gnus-signature-separator nil t)
2824 (let ((seps gnus-signature-separator))
2826 (not (re-search-backward (car seps) nil t)))
2833 (defun gnus-article-hidden-arg ()
2834 "Return the current prefix arg as a number, or 0 if no prefix."
2835 (list (if current-prefix-arg
2836 (prefix-numeric-value current-prefix-arg)
2839 (defun gnus-article-check-hidden-text (type arg)
2840 "Return nil if hiding is necessary.
2841 Arg can be nil or a number. nil and positive means hide, negative
2842 means show, 0 means toggle."
2845 (let ((hide (gnus-article-hidden-text-p type)))
2851 (gnus-article-show-hidden-text type)
2854 (if (eq hide 'hidden)
2856 (gnus-article-show-hidden-text type)
2860 (defun gnus-article-hidden-text-p (type)
2861 "Say whether the current buffer contains hidden text of type TYPE."
2862 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2864 (not (get-text-property pos 'invisible))
2865 (not (get-text-property pos 'dummy-invisible)))
2867 (text-property-any (1+ pos) (point-max) 'article-type type)))
2872 (defun gnus-article-show-hidden-text (type &optional dummy)
2873 "Show all hidden text of type TYPE.
2874 Originally it is hide instead of DUMMY."
2875 (let ((inhibit-read-only t)
2876 (inhibit-point-motion-hooks t))
2877 (gnus-remove-text-properties-when
2879 (point-min) (point-max)
2880 (cons 'article-type (cons type
2881 gnus-hidden-properties)))
2882 (gnus-delete-wash-type type)))
2884 (defconst article-time-units
2885 `((year . ,(* 365.25 24 60 60))
2886 (week . ,(* 7 24 60 60))
2887 (day . ,(* 24 60 60))
2891 "Mapping from time units to seconds.")
2893 (defun gnus-article-forward-header ()
2894 "Move point to the start of the next header.
2895 If the current header is a continuation header, this can be several
2900 (if (looking-at "[ \t]+[^ \t]")
2904 (defun article-date-ut (&optional type highlight)
2905 "Convert DATE date to universal time in the current article.
2906 If TYPE is `local', convert to local time; if it is `lapsed', output
2907 how much time has lapsed since DATE. For `lapsed', the value of
2908 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2909 should replace the \"Date:\" one, or should be added below it."
2910 (interactive (list 'ut t))
2911 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2912 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
2916 (article-lapsed-timer
2920 (case-fold-search t)
2921 (inhibit-read-only t)
2922 (inhibit-point-motion-hooks t)
2923 pos date bface eface)
2927 (goto-char (point-min))
2928 (while (or (setq date (get-text-property (setq pos (point))
2930 (when (setq pos (next-single-property-change
2931 (point) 'original-date))
2932 (setq date (get-text-property pos 'original-date))
2934 (narrow-to-region pos (or (text-property-any pos (point-max)
2937 (goto-char (point-min))
2938 (when (re-search-forward tdate-regexp nil t)
2939 (setq bface (get-text-property (point-at-bol) 'face)
2940 eface (get-text-property (1- (point-at-eol)) 'face)))
2941 (goto-char (point-min))
2943 ;; Delete any old Date headers.
2944 (while (re-search-forward date-regexp nil t)
2946 (delete-region (point-at-bol) (progn
2947 (gnus-article-forward-header)
2949 (delete-region (point-at-bol) (progn
2950 (gnus-article-forward-header)
2953 (setq pos (point))))
2954 (when (and (not pos)
2955 (re-search-forward tdate-regexp nil t))
2957 (gnus-goto-char pos)
2958 (insert (article-make-date-line date (or type 'ut)))
2964 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2965 (put-text-property (match-beginning 1) (1+ (match-end 1))
2967 (put-text-property (match-beginning 2) (match-end 2)
2969 (put-text-property (point-min) (1- (point-max)) 'original-date date)
2970 (goto-char (point-max))
2973 (defun article-make-date-line (date type)
2974 "Return a DATE line of TYPE."
2975 (unless (memq type '(local ut original user iso8601 lapsed english))
2976 (error "Unknown conversion type: %s" type))
2978 (let ((time (date-to-time date)))
2980 ;; Convert to the local timezone.
2982 (concat "Date: " (message-make-date time)))
2983 ;; Convert to Universal Time.
2988 (let* ((e (parse-time-string date))
2989 (tm (apply 'encode-time e))
2991 (ls (- (cadr tm) (car (current-time-zone time)))))
2992 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2993 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2997 ;; Get the original date from the article.
2998 ((eq type 'original)
2999 (concat "Date: " (if (string-match "\n+$" date)
3000 (substring date 0 (match-beginning 0))
3002 ;; Let the user define the format.
3004 (let ((format (or (condition-case nil
3005 (with-current-buffer gnus-summary-buffer
3006 gnus-article-time-format)
3008 gnus-article-time-format)))
3009 (if (functionp format)
3010 (funcall format time)
3011 (concat "Date: " (format-time-string format time)))))
3014 (let ((tz (car (current-time-zone time))))
3017 (format-time-string "%Y%m%dT%H%M%S" time)
3018 (format "%s%02d%02d"
3019 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3020 (/ (% (abs tz) 3600) 60)))))
3021 ;; Do an X-Sent lapsed format.
3023 ;; If the date is seriously mangled, the timezone functions are
3024 ;; liable to bug out, so we ignore all errors.
3025 (let* ((now (current-time))
3026 (real-time (subtract-time now time))
3027 (real-sec (and real-time
3028 (+ (* (float (car real-time)) 65536)
3030 (sec (and real-time (abs real-sec)))
3040 ;; This is a bit convoluted, but basically we go
3041 ;; through the time units for years, weeks, etc,
3042 ;; and divide things to see whether that results
3043 ;; in positive answers.
3046 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3047 ;; The (remaining) seconds are too few to
3048 ;; be divided into this time unit.
3050 ;; It's big enough, so we output it.
3051 (setq sec (- sec (* num (cdr unit))))
3053 (concat (if prev ", " "") (int-to-string
3055 " " (symbol-name (car unit))
3056 (if (> num 1) "s" ""))
3058 article-time-units "")
3059 ;; If dates are odd, then it might appear like the
3060 ;; article was sent in the future.
3063 " in the future"))))))
3064 ;; Display the date in proper English
3066 (let ((dtime (decode-time time)))
3069 (number-to-string (nth 3 dtime))
3070 (let ((digit (% (nth 3 dtime) 10)))
3072 ((memq (nth 3 dtime) '(11 12 13)) "th")
3078 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3080 (number-to-string (nth 5 dtime))
3082 (format "%02d" (nth 2 dtime))
3084 (format "%02d" (nth 1 dtime)))))))
3086 (format "Date: %s (from Gnus)" date))))
3088 (defun article-date-local (&optional highlight)
3089 "Convert the current article date to the local timezone."
3090 (interactive (list t))
3091 (article-date-ut 'local highlight))
3093 (defun article-date-english (&optional highlight)
3094 "Convert the current article date to something that is proper English."
3095 (interactive (list t))
3096 (article-date-ut 'english highlight))
3098 (defun article-date-original (&optional highlight)
3099 "Convert the current article date to what it was originally.
3100 This is only useful if you have used some other date conversion
3101 function and want to see what the date was before converting."
3102 (interactive (list t))
3103 (article-date-ut 'original highlight))
3105 (defun article-date-lapsed (&optional highlight)
3106 "Convert the current article date to time lapsed since it was sent."
3107 (interactive (list t))
3108 (article-date-ut 'lapsed highlight))
3110 (defun article-update-date-lapsed ()
3111 "Function to be run from a timer to update the lapsed time line."
3113 (let (deactivate-mark)
3118 (set-buffer (window-buffer w))
3119 (when (eq major-mode 'gnus-article-mode)
3120 (let ((mark (point-marker)))
3121 (goto-char (point-min))
3122 (when (re-search-forward "^X-Sent:" nil t)
3123 (article-date-lapsed t))
3124 (goto-char (marker-position mark))
3125 (move-marker mark nil))))
3128 (defun gnus-start-date-timer (&optional n)
3129 "Start a timer to update the X-Sent header in the article buffers.
3130 The numerical prefix says how frequently (in seconds) the function
3135 (gnus-stop-date-timer)
3136 (setq article-lapsed-timer
3137 (run-at-time 1 n 'article-update-date-lapsed)))
3139 (defun gnus-stop-date-timer ()
3140 "Stop the X-Sent timer."
3142 (when article-lapsed-timer
3143 (nnheader-cancel-timer article-lapsed-timer)
3144 (setq article-lapsed-timer nil)))
3146 (defun article-date-user (&optional highlight)
3147 "Convert the current article date to the user-defined format.
3148 This format is defined by the `gnus-article-time-format' variable."
3149 (interactive (list t))
3150 (article-date-ut 'user highlight))
3152 (defun article-date-iso8601 (&optional highlight)
3153 "Convert the current article date to ISO8601."
3154 (interactive (list t))
3155 (article-date-ut 'iso8601 highlight))
3157 (defmacro gnus-article-save-original-date (&rest forms)
3158 "Save the original date as a text property and evaluate FORMS."
3159 `(let* ((case-fold-search t)
3161 (goto-char (point-min))
3162 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3165 (date (when (and start
3166 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3168 (buffer-substring-no-properties start
3169 (match-beginning 0)))))
3170 (goto-char (point-max))
3171 (skip-chars-backward "\n")
3172 (put-text-property (point-min) (point) 'original-date date)
3174 (goto-char (point-max))
3175 (skip-chars-backward "\n")
3176 (put-text-property (point-min) (point) 'original-date date)))
3178 ;; (defun article-show-all ()
3179 ;; "Show all hidden text in the article buffer."
3182 ;; (let ((inhibit-read-only t))
3183 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3185 (defun article-remove-leading-whitespace ()
3186 "Remove excessive whitespace from all headers."
3190 (let ((inhibit-read-only t))
3191 (article-narrow-to-head)
3192 (goto-char (point-min))
3193 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3194 (delete-region (match-beginning 1) (match-end 1)))))))
3196 (defun article-emphasize (&optional arg)
3197 "Emphasize text according to `gnus-emphasis-alist'."
3198 (interactive (gnus-article-hidden-arg))
3199 (unless (gnus-article-check-hidden-text 'emphasis arg)
3203 (with-current-buffer gnus-summary-buffer
3204 gnus-article-emphasis-alist)
3206 gnus-emphasis-alist))
3207 (inhibit-read-only t)
3208 (props (append '(article-type emphasis)
3209 gnus-hidden-properties))
3210 regexp elem beg invisible visible face)
3213 (while (setq elem (pop alist))
3215 (setq regexp (car elem)
3216 invisible (nth 1 elem)
3217 visible (nth 2 elem)
3219 (while (re-search-forward regexp nil t)
3220 (when (and (match-beginning visible) (match-beginning invisible))
3221 (gnus-article-hide-text
3222 (match-beginning invisible) (match-end invisible) props)
3223 (gnus-article-unhide-text-type
3224 (match-beginning visible) (match-end visible) 'emphasis)
3225 (gnus-put-overlay-excluding-newlines
3226 (match-beginning visible) (match-end visible) 'face face)
3227 (gnus-add-wash-type 'emphasis)
3228 (goto-char (match-end invisible)))))))))
3230 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3231 "Setup newsgroup emphasis alist."
3232 (unless gnus-article-emphasis-alist
3233 (let ((name (and gnus-newsgroup-name
3234 (gnus-group-real-name gnus-newsgroup-name))))
3235 (make-local-variable 'gnus-article-emphasis-alist)
3236 (setq gnus-article-emphasis-alist
3238 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3239 (while (setq elem (pop alist))
3240 (when (and name (string-match (car elem) name))
3242 highlight (copy-sequence (cdr elem)))))
3244 (copy-sequence highlight-words)
3245 (if gnus-newsgroup-name
3246 (copy-sequence (gnus-group-find-parameter
3247 gnus-newsgroup-name 'highlight-words t)))
3248 gnus-emphasis-alist)))))
3251 (defvar gnus-summary-article-menu)
3252 (defvar gnus-summary-post-menu))
3254 ;;; Saving functions.
3256 (defun gnus-article-save (save-buffer file &optional num)
3257 "Save the currently selected article."
3258 (unless gnus-save-all-headers
3259 ;; Remove headers according to `gnus-saved-headers'.
3260 (let ((gnus-visible-headers
3261 (or gnus-saved-headers gnus-visible-headers))
3262 (gnus-article-buffer save-buffer))
3264 (set-buffer save-buffer)
3265 (article-hide-headers 1 t))))
3266 (save-window-excursion
3267 (if (not gnus-default-article-saver)
3268 (error "No default saver is defined")
3269 ;; !!! Magic! The saving functions all save
3270 ;; `gnus-save-article-buffer' (or so they think), but we
3271 ;; bind that variable to our save-buffer.
3272 (set-buffer gnus-article-buffer)
3273 (let* ((gnus-save-article-buffer save-buffer)
3276 ((not gnus-prompt-before-saving) 'default)
3277 ((eq gnus-prompt-before-saving 'always) nil)
3279 (gnus-number-of-articles-to-be-saved
3280 (when (eq gnus-prompt-before-saving t)
3282 (set-buffer gnus-article-current-summary)
3283 (funcall gnus-default-article-saver filename)))))
3285 (defun gnus-read-save-file-name (prompt &optional filename
3286 function group headers variable)
3288 (funcall function group headers (symbol-value variable)))
3293 ((eq filename 'default)
3299 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3302 (if (and gnus-number-of-articles-to-be-saved
3303 (> gnus-number-of-articles-to-be-saved 1))
3304 (format "these %d articles"
3305 gnus-number-of-articles-to-be-saved)
3308 ;; Let the split methods have their say.
3310 ;; No split name was found.
3313 (concat prompt " (default "
3314 (file-name-nondirectory default-name) "): ")
3315 (file-name-directory default-name)
3317 ;; A single group name is returned.
3318 ((stringp split-name)
3320 (funcall function split-name headers
3321 (symbol-value variable)))
3323 (concat prompt " (default "
3324 (file-name-nondirectory default-name) "): ")
3325 (file-name-directory default-name)
3327 ;; A single split name was found
3328 ((= 1 (length split-name))
3329 (let* ((name (expand-file-name
3331 gnus-article-save-directory))
3332 (dir (cond ((file-directory-p name)
3333 (file-name-as-directory name))
3334 ((file-exists-p name) name)
3335 (t gnus-article-save-directory))))
3337 (concat prompt " (default " name "): ")
3339 ;; A list of splits was found.
3341 (setq split-name (nreverse split-name))
3343 (let ((file-name-history
3344 (nconc split-name file-name-history)))
3348 (concat prompt " (`M-p' for defaults): ")
3349 gnus-article-save-directory
3351 gnus-article-save-directory)))
3352 (car (push result file-name-history)))))))
3353 ;; Create the directory.
3354 (gnus-make-directory (file-name-directory file))
3355 ;; If we have read a directory, we append the default file name.
3356 (when (file-directory-p file)
3357 (setq file (expand-file-name (file-name-nondirectory
3359 (file-name-as-directory file))))
3360 ;; Possibly translate some characters.
3361 (nnheader-translate-file-chars file))))))
3362 (gnus-make-directory (file-name-directory result))
3363 (set variable result)))
3365 (defun gnus-article-archive-name (group)
3366 "Return the first instance of an \"Archive-name\" in the current buffer."
3367 (let ((case-fold-search t))
3368 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3369 (nnheader-concat gnus-article-save-directory
3370 (match-string 1)))))
3372 (defun gnus-article-nndoc-name (group)
3373 "If GROUP is an nndoc group, return the name of the parent group."
3374 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3375 (gnus-group-get-parameter group 'save-article-group)))
3377 (defun gnus-summary-save-in-rmail (&optional filename)
3378 "Append this article to Rmail file.
3379 Optional argument FILENAME specifies file name.
3380 Directory to save to is default to `gnus-article-save-directory'."
3381 (setq filename (gnus-read-save-file-name
3382 "Save %s in rmail file" filename
3383 gnus-rmail-save-name gnus-newsgroup-name
3384 gnus-current-headers 'gnus-newsgroup-last-rmail))
3385 (gnus-eval-in-buffer-window gnus-save-article-buffer
3389 (gnus-output-to-rmail filename))))
3392 (defun gnus-summary-save-in-mail (&optional filename)
3393 "Append this article to Unix mail file.
3394 Optional argument FILENAME specifies file name.
3395 Directory to save to is default to `gnus-article-save-directory'."
3396 (setq filename (gnus-read-save-file-name
3397 "Save %s in Unix mail file" filename
3398 gnus-mail-save-name gnus-newsgroup-name
3399 gnus-current-headers 'gnus-newsgroup-last-mail))
3400 (gnus-eval-in-buffer-window gnus-save-article-buffer
3404 (if (and (file-readable-p filename)
3405 (file-regular-p filename)
3406 (mail-file-babyl-p filename))
3407 (rmail-output-to-rmail-file filename t)
3408 (gnus-output-to-mail filename)))))
3411 (defun gnus-summary-save-in-file (&optional filename overwrite)
3412 "Append this article to file.
3413 Optional argument FILENAME specifies file name.
3414 Directory to save to is default to `gnus-article-save-directory'."
3415 (setq filename (gnus-read-save-file-name
3416 "Save %s in file" filename
3417 gnus-file-save-name gnus-newsgroup-name
3418 gnus-current-headers 'gnus-newsgroup-last-file))
3419 (gnus-eval-in-buffer-window gnus-save-article-buffer
3423 (when (and overwrite
3424 (file-exists-p filename))
3425 (delete-file filename))
3426 (gnus-output-to-file filename))))
3429 (defun gnus-summary-write-to-file (&optional filename)
3430 "Write this article to a file, overwriting it if the file exists.
3431 Optional argument FILENAME specifies file name.
3432 The directory to save in defaults to `gnus-article-save-directory'."
3433 (gnus-summary-save-in-file nil t))
3435 (defun gnus-summary-save-body-in-file (&optional filename)
3436 "Append this article body to a file.
3437 Optional argument FILENAME specifies file name.
3438 The directory to save in defaults to `gnus-article-save-directory'."
3439 (setq filename (gnus-read-save-file-name
3440 "Save %s body in file" filename
3441 gnus-file-save-name gnus-newsgroup-name
3442 gnus-current-headers 'gnus-newsgroup-last-file))
3443 (gnus-eval-in-buffer-window gnus-save-article-buffer
3447 (when (article-goto-body)
3448 (narrow-to-region (point) (point-max)))
3449 (gnus-output-to-file filename))))
3452 (defun gnus-summary-save-in-pipe (&optional command)
3453 "Pipe this article to subprocess."
3455 (cond ((and (eq command 'default)
3456 gnus-last-shell-command)
3457 gnus-last-shell-command)
3462 "Shell command on %s: "
3463 (if (and gnus-number-of-articles-to-be-saved
3464 (> gnus-number-of-articles-to-be-saved 1))
3465 (format "these %d articles"
3466 gnus-number-of-articles-to-be-saved)
3468 gnus-last-shell-command))))
3469 (when (string-equal command "")
3470 (if gnus-last-shell-command
3471 (setq command gnus-last-shell-command)
3472 (error "A command is required")))
3473 (gnus-eval-in-buffer-window gnus-article-buffer
3476 (shell-command-on-region (point-min) (point-max) command nil)))
3477 (setq gnus-last-shell-command command))
3479 (defun gnus-summary-pipe-to-muttprint (&optional command)
3480 "Pipe this article to muttprint."
3481 (setq command (read-string
3482 "Print using command: " gnus-summary-muttprint-program
3483 nil gnus-summary-muttprint-program))
3484 (gnus-summary-save-in-pipe command))
3486 ;;; Article file names when saving.
3488 (defun gnus-capitalize-newsgroup (newsgroup)
3489 "Capitalize NEWSGROUP name."
3490 (when (not (zerop (length newsgroup)))
3491 (concat (char-to-string (upcase (aref newsgroup 0)))
3492 (substring newsgroup 1))))
3494 (defun gnus-Numeric-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 ~/News/News.group/num.
3497 Otherwise, it is like ~/News/news/group/num."
3500 (concat (if (gnus-use-long-file-name 'not-save)
3501 (gnus-capitalize-newsgroup newsgroup)
3502 (gnus-newsgroup-directory-form newsgroup))
3503 "/" (int-to-string (mail-header-number headers)))
3504 gnus-article-save-directory)))
3506 (string-equal (file-name-directory default)
3507 (file-name-directory last-file))
3508 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3510 (or last-file default))))
3512 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3513 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3514 If variable `gnus-use-long-file-name' is non-nil, it is
3515 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3518 (concat (if (gnus-use-long-file-name 'not-save)
3520 (gnus-newsgroup-directory-form newsgroup))
3521 "/" (int-to-string (mail-header-number headers)))
3522 gnus-article-save-directory)))
3524 (string-equal (file-name-directory default)
3525 (file-name-directory last-file))
3526 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3528 (or last-file default))))
3530 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3531 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3532 If variable `gnus-use-long-file-name' is non-nil, it is
3533 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3536 (if (gnus-use-long-file-name 'not-save)
3539 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3541 gnus-article-save-directory)))
3543 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3544 "Generate file name from sender."
3545 (let ((from (mail-header-from headers)))
3547 (if (and from (string-match "\\([^ <]+\\)@" from))
3548 (match-string 1 from)
3550 gnus-article-save-directory)))
3552 (defun article-verify-x-pgp-sig ()
3555 (if (gnus-buffer-live-p gnus-original-article-buffer)
3556 (let ((sig (with-current-buffer gnus-original-article-buffer
3557 (gnus-fetch-field "X-PGP-Sig")))
3561 (mml2015-clear-verify-function))
3563 (insert-buffer-substring gnus-original-article-buffer)
3564 (setq items (split-string sig))
3565 (message-narrow-to-head)
3566 (let ((inhibit-point-motion-hooks t)
3567 (case-fold-search t))
3568 ;; Don't verify multiple headers.
3569 (setq headers (mapconcat (lambda (header)
3571 (mail-fetch-field header)
3573 (split-string (nth 1 items) ",") "")))
3574 (delete-region (point-min) (point-max))
3575 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3576 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3581 (if (looking-at "^-")
3584 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3585 (insert "Version: " (car items) "\n\n")
3586 (insert (mapconcat 'identity (cddr items) "\n"))
3587 (insert "\n-----END PGP SIGNATURE-----\n")
3588 (let ((mm-security-handle (list (format "multipart/signed"))))
3589 (mml2015-clean-buffer)
3590 (let ((coding-system-for-write (or gnus-newsgroup-charset
3592 (funcall (mml2015-clear-verify-function)))
3594 (or (mm-handle-multipart-ctl-parameter
3595 mm-security-handle 'gnus-details)
3596 (mm-handle-multipart-ctl-parameter
3597 mm-security-handle 'gnus-info)))))
3599 (let ((inhibit-read-only t) bface eface)
3601 (message-narrow-to-head)
3602 (goto-char (point-max))
3604 (setq bface (get-text-property (point-at-bol) 'face)
3605 eface (get-text-property (1- (point-at-eol)) 'face))
3606 (message-remove-header "X-Gnus-PGP-Verify")
3607 (if (re-search-forward "^X-PGP-Sig:" nil t)
3609 (goto-char (point-max)))
3610 (narrow-to-region (point) (point))
3611 (insert "X-Gnus-PGP-Verify: " info "\n")
3612 (goto-char (point-min))
3615 (if (not (looking-at "^[ \t]"))
3619 (goto-char (point-min))
3620 (when (looking-at "\\([^:]+\\): *")
3621 (put-text-property (match-beginning 1) (1+ (match-end 1))
3623 (put-text-property (match-end 0) (point-max)
3624 'face eface)))))))))
3626 (defun article-verify-cancel-lock ()
3627 "Verify Cancel-Lock header."
3629 (if (gnus-buffer-live-p gnus-original-article-buffer)
3630 (canlock-verify gnus-original-article-buffer)))
3637 (setq afunc (car func)
3640 gfunc (intern (format "gnus-%s" func))))
3642 (when (fboundp afunc)
3643 `(lambda (&optional interactive &rest args)
3644 ,(documentation afunc t)
3645 (interactive (list t))
3647 (set-buffer gnus-article-buffer)
3649 (call-interactively ',afunc)
3650 (apply ',afunc args))))))))
3651 '(article-hide-headers
3652 article-verify-x-pgp-sig
3653 article-verify-cancel-lock
3654 article-hide-boring-headers
3655 article-treat-overstrike
3656 article-treat-ansi-sequences
3657 article-fill-long-lines
3658 article-capitalize-sentences
3660 article-remove-leading-whitespace
3661 article-display-x-face
3662 article-display-face
3663 article-de-quoted-unreadable
3664 article-de-base64-unreadable
3667 article-unsplit-urls
3668 article-hide-list-identifiers
3669 article-strip-banner
3672 article-hide-signature
3673 article-strip-headers-in-body
3674 article-remove-trailing-blank-lines
3675 article-strip-leading-blank-lines
3676 article-strip-multiple-blank-lines
3677 article-strip-leading-space
3678 article-strip-trailing-space
3679 article-strip-blank-lines
3680 article-strip-all-blank-lines
3682 article-date-english
3683 article-date-iso8601
3684 article-date-original
3686 article-decode-mime-words
3687 article-decode-charset
3688 article-decode-encoded-words
3692 article-treat-dumbquotes
3693 article-normalize-headers
3694 ;; (article-show-all . gnus-article-show-all-headers)
3698 ;;; Gnus article mode
3701 (put 'gnus-article-mode 'mode-class 'special)
3703 (set-keymap-parent gnus-article-mode-map widget-keymap)
3705 (gnus-define-keys gnus-article-mode-map
3706 " " gnus-article-goto-next-page
3707 "\177" gnus-article-goto-prev-page
3708 [delete] gnus-article-goto-prev-page
3709 [backspace] gnus-article-goto-prev-page
3710 "\C-c^" gnus-article-refer-article
3711 "h" gnus-article-show-summary
3712 "s" gnus-article-show-summary
3713 "\C-c\C-m" gnus-article-mail
3714 "?" gnus-article-describe-briefly
3715 "e" gnus-summary-edit-article
3716 "<" beginning-of-buffer
3718 "\C-c\C-i" gnus-info-find-node
3720 "R" gnus-article-reply-with-original
3721 "F" gnus-article-followup-with-original
3722 "\C-hk" gnus-article-describe-key
3723 "\C-hc" gnus-article-describe-key-briefly
3725 "\C-d" gnus-article-read-summary-keys
3726 "\M-*" gnus-article-read-summary-keys
3727 "\M-#" gnus-article-read-summary-keys
3728 "\M-^" gnus-article-read-summary-keys
3729 "\M-g" gnus-article-read-summary-keys)
3731 (substitute-key-definition
3732 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3734 (defun gnus-article-make-menu-bar ()
3735 (unless (boundp 'gnus-article-commands-menu)
3736 (gnus-summary-make-menu-bar))
3737 (gnus-turn-off-edit-menu 'article)
3738 (unless (boundp 'gnus-article-article-menu)
3740 gnus-article-article-menu gnus-article-mode-map ""
3742 ["Scroll forwards" gnus-article-goto-next-page t]
3743 ["Scroll backwards" gnus-article-goto-prev-page t]
3744 ["Show summary" gnus-article-show-summary t]
3745 ["Fetch Message-ID at point" gnus-article-refer-article t]
3746 ["Mail to address at point" gnus-article-mail t]
3747 ["Send a bug report" gnus-bug t]))
3750 gnus-article-treatment-menu gnus-article-mode-map ""
3751 ;; Fixme: this should use :active (and maybe :visible).
3753 ["Hide headers" gnus-article-hide-headers t]
3754 ["Hide signature" gnus-article-hide-signature t]
3755 ["Hide citation" gnus-article-hide-citation t]
3756 ["Treat overstrike" gnus-article-treat-overstrike t]
3757 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3758 ["Remove carriage return" gnus-article-remove-cr t]
3759 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3760 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3761 ["Remove base64" gnus-article-de-base64-unreadable t]
3762 ["Treat html" gnus-article-wash-html t]
3763 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3764 ["Decode HZ" gnus-article-decode-HZ t]))
3766 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3768 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3770 (gnus-run-hooks 'gnus-article-menu-hook)))
3772 (defun gnus-article-mode ()
3773 "Major mode for displaying an article.
3775 All normal editing commands are switched off.
3777 The following commands are available in addition to all summary mode
3779 \\<gnus-article-mode-map>
3780 \\[gnus-article-next-page]\t Scroll the article one page forwards
3781 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3782 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3783 \\[gnus-article-show-summary]\t Display the summary buffer
3784 \\[gnus-article-mail]\t Send a reply to the address near point
3785 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3786 \\[gnus-info-find-node]\t Go to the Gnus info node"
3788 (kill-all-local-variables)
3789 (gnus-simplify-mode-line)
3790 (setq mode-name "Article")
3791 (setq major-mode 'gnus-article-mode)
3792 (make-local-variable 'minor-mode-alist)
3793 (use-local-map gnus-article-mode-map)
3794 (when (gnus-visual-p 'article-menu 'menu)
3795 (gnus-article-make-menu-bar)
3796 (when gnus-summary-tool-bar-map
3797 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3798 (gnus-update-format-specifications nil 'article-mode)
3799 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3800 (set (make-local-variable 'gnus-page-broken) nil)
3801 (make-local-variable 'gnus-button-marker-list)
3802 (make-local-variable 'gnus-article-current-summary)
3803 (make-local-variable 'gnus-article-mime-handles)
3804 (make-local-variable 'gnus-article-decoded-p)
3805 (make-local-variable 'gnus-article-mime-handle-alist)
3806 (make-local-variable 'gnus-article-wash-types)
3807 (make-local-variable 'gnus-article-image-alist)
3808 (make-local-variable 'gnus-article-charset)
3809 (make-local-variable 'gnus-article-ignored-charsets)
3810 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3811 (set (make-local-variable 'nobreak-char-display) nil)
3812 (gnus-set-default-directory)
3813 (buffer-disable-undo)
3814 (setq buffer-read-only t
3815 show-trailing-whitespace nil)
3816 (set-syntax-table gnus-article-mode-syntax-table)
3817 (mm-enable-multibyte)
3818 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3820 (defun gnus-article-setup-buffer ()
3821 "Initialize the article buffer."
3822 (let* ((name (if gnus-single-article-buffer "*Article*"
3823 (concat "*Article " gnus-newsgroup-name "*")))
3825 (progn (string-match "\\*Article" name)
3826 (concat " *Original Article"
3827 (substring name (match-end 0))))))
3828 (setq gnus-article-buffer name)
3829 (setq gnus-original-article-buffer original)
3830 (setq gnus-article-mime-handle-alist nil)
3831 ;; This might be a variable local to the summary buffer.
3832 (unless gnus-single-article-buffer
3834 (set-buffer gnus-summary-buffer)
3835 (setq gnus-article-buffer name)
3836 (setq gnus-original-article-buffer original)
3837 (gnus-set-global-variables)))
3838 (gnus-article-setup-highlight-words)
3839 ;; Init original article buffer.
3841 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3842 (mm-enable-multibyte)
3843 (setq major-mode 'gnus-original-article-mode)
3844 (make-local-variable 'gnus-original-article))
3845 (if (and (get-buffer name)
3846 (with-current-buffer name
3847 (if gnus-article-edit-mode
3848 (if (y-or-n-p "Article mode edit in progress; discard? ")
3850 (set-buffer-modified-p nil)
3851 (gnus-kill-buffer name)
3854 (error "Action aborted"))
3858 (set (make-local-variable 'gnus-article-edit-mode) nil)
3859 (when gnus-article-mime-handles
3860 (mm-destroy-parts gnus-article-mime-handles)
3861 (setq gnus-article-mime-handles nil))
3862 ;; Set it to nil in article-buffer!
3863 (setq gnus-article-mime-handle-alist nil)
3864 (buffer-disable-undo)
3865 (setq buffer-read-only t)
3866 ;; This list just keeps growing if we don't reset it.
3867 (setq gnus-button-marker-list nil)
3868 (unless (eq major-mode 'gnus-article-mode)
3869 (gnus-article-mode))
3872 (set-buffer (gnus-get-buffer-create name))
3874 (make-local-variable 'gnus-summary-buffer)
3875 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3876 (current-buffer)))))
3878 ;; Set article window start at LINE, where LINE is the number of lines
3879 ;; from the head of the article.
3880 (defun gnus-article-set-window-start (&optional line)
3882 (gnus-get-buffer-window gnus-article-buffer t)
3884 (set-buffer gnus-article-buffer)
3885 (goto-char (point-min))
3888 (gnus-message 6 "Moved to bookmark")
3889 (search-forward "\n\n" nil t)
3893 (defun gnus-article-prepare (article &optional all-headers header)
3894 "Prepare ARTICLE in article mode buffer.
3895 ARTICLE should either be an article number or a Message-ID.
3896 If ARTICLE is an id, HEADER should be the article headers.
3897 If ALL-HEADERS is non-nil, no headers are hidden."
3899 ;; Make sure we start in a summary buffer.
3900 (unless (eq major-mode 'gnus-summary-mode)
3901 (set-buffer gnus-summary-buffer))
3902 (setq gnus-summary-buffer (current-buffer))
3903 (let* ((gnus-article (if header (mail-header-number header) article))
3904 (summary-buffer (current-buffer))
3905 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3906 (group gnus-newsgroup-name)
3909 (gnus-article-setup-buffer)
3910 (set-buffer gnus-article-buffer)
3911 ;; Deactivate active regions.
3912 (when (and (boundp 'transient-mark-mode)
3913 transient-mark-mode)
3914 (setq mark-active nil))
3915 (if (not (setq result (let ((inhibit-read-only t))
3916 (gnus-request-article-this-buffer
3918 ;; There is no such article.
3920 (when (and (numberp article)
3921 (not (memq article gnus-newsgroup-sparse)))
3922 (setq gnus-article-current
3923 (cons gnus-newsgroup-name article))
3924 (set-buffer gnus-summary-buffer)
3925 (setq gnus-current-article article)
3926 (if (and (memq article gnus-newsgroup-undownloaded)
3927 (not (gnus-online (gnus-find-method-for-group
3928 gnus-newsgroup-name))))
3930 (gnus-summary-set-agent-mark article)
3931 (message "Message marked for downloading"))
3932 (gnus-summary-mark-article article gnus-canceled-mark)
3933 (unless (memq article gnus-newsgroup-sparse)
3934 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3935 (if (or (eq result 'pseudo)
3936 (eq result 'nneething))
3939 (set-buffer summary-buffer)
3940 (push article gnus-newsgroup-history)
3941 (setq gnus-last-article gnus-current-article
3942 gnus-current-article 0
3943 gnus-current-headers nil
3944 gnus-article-current nil)
3945 (if (eq result 'nneething)
3946 (gnus-configure-windows 'summary)
3947 (gnus-configure-windows 'article))
3948 (gnus-set-global-variables))
3949 (let ((gnus-article-mime-handle-alist-1
3950 gnus-article-mime-handle-alist))
3951 (gnus-set-mode-line 'article)))
3952 ;; The result from the `request' was an actual article -
3953 ;; or at least some text that is now displayed in the
3955 (when (and (numberp article)
3956 (not (eq article gnus-current-article)))
3957 ;; Seems like a new article has been selected.
3958 ;; `gnus-current-article' must be an article number.
3960 (set-buffer summary-buffer)
3961 (push article gnus-newsgroup-history)
3962 (setq gnus-last-article gnus-current-article
3963 gnus-current-article article
3964 gnus-current-headers
3965 (gnus-summary-article-header gnus-current-article)
3966 gnus-article-current
3967 (cons gnus-newsgroup-name gnus-current-article))
3968 (unless (vectorp gnus-current-headers)
3969 (setq gnus-current-headers nil))
3970 (gnus-summary-goto-subject gnus-current-article)
3971 (when (gnus-summary-show-thread)
3972 ;; If the summary buffer really was folded, the
3973 ;; previous goto may not actually have gone to
3974 ;; the right article, but the thread root instead.
3976 (gnus-summary-goto-subject gnus-current-article))
3977 (gnus-run-hooks 'gnus-mark-article-hook)
3978 (gnus-set-mode-line 'summary)
3979 (when (gnus-visual-p 'article-highlight 'highlight)
3980 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3981 ;; Set the global newsgroup variables here.
3982 (gnus-set-global-variables)
3983 (setq gnus-have-all-headers
3984 (or all-headers gnus-show-all-headers))))
3986 (gnus-configure-windows 'article))
3987 (when (or (numberp article)
3989 (gnus-article-prepare-display)
3991 (goto-char (point-min))
3992 (when gnus-break-pages
3993 (gnus-narrow-to-page)))
3994 (let ((gnus-article-mime-handle-alist-1
3995 gnus-article-mime-handle-alist))
3996 (gnus-set-mode-line 'article))
4000 (set-window-point (get-buffer-window (current-buffer)) (point))
4001 (gnus-configure-windows 'article)
4005 (defun gnus-article-prepare-display ()
4006 "Make the current buffer look like a nice article."
4007 ;; Hooks for getting information from the article.
4008 ;; This hook must be called before being narrowed.
4009 (let ((gnus-article-buffer (current-buffer))
4011 (inhibit-read-only t))
4012 (unless (eq major-mode 'gnus-article-mode)
4013 (gnus-article-mode))
4014 (setq buffer-read-only nil
4015 gnus-article-wash-types nil
4016 gnus-article-image-alist nil)
4017 (gnus-run-hooks 'gnus-tmp-internal-hook)
4018 (when gnus-display-mime-function
4019 (funcall gnus-display-mime-function))
4020 (gnus-run-hooks 'gnus-article-prepare-hook)))
4023 ;;; Gnus MIME viewing functions
4026 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4027 "Format of the MIME buttons.
4029 Valid specifiers include:
4031 %T MIME type, along with additional info
4032 %n The `name' parameter
4033 %d The description, if any
4034 %l The length of the encoded part
4035 %p The part identifier number
4036 %e Dots if the part isn't displayed
4038 General format specifiers can also be used. See Info node
4039 `(gnus)Formatting Variables'.")
4041 (defvar gnus-mime-button-line-format-alist
4042 '((?t gnus-tmp-type ?s)
4043 (?T gnus-tmp-type-long ?s)
4044 (?n gnus-tmp-name ?s)
4045 (?d gnus-tmp-description ?s)
4047 (?l gnus-tmp-length ?d)
4048 (?e gnus-tmp-dots ?s)))
4050 (defvar gnus-mime-button-commands
4051 '((gnus-article-press-button "\r" "Toggle Display")
4052 (gnus-mime-view-part "v" "View Interactively...")
4053 (gnus-mime-view-part-as-type "t" "View As Type...")
4054 (gnus-mime-view-part-as-charset "C" "View As charset...")
4055 (gnus-mime-save-part "o" "Save...")
4056 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4057 (gnus-mime-replace-part "r" "Replace part")
4058 (gnus-mime-delete-part "d" "Delete part")
4059 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4060 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4061 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4062 (gnus-mime-view-part-externally "e" "View Externally")
4063 (gnus-mime-print-part "p" "Print")
4064 (gnus-mime-pipe-part "|" "Pipe To Command...")
4065 (gnus-mime-action-on-part "." "Take action on the part...")))
4067 (defun gnus-article-mime-part-status ()
4068 (if gnus-article-mime-handle-alist-1
4069 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4071 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4074 (defvar gnus-mime-button-map
4075 (let ((map (make-sparse-keymap)))
4076 (define-key map gnus-mouse-2 'gnus-article-push-button)
4077 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4078 (dolist (c gnus-mime-button-commands)
4079 (define-key map (cadr c) (car c)))
4083 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4085 ,@(mapcar (lambda (c)
4086 (vector (caddr c) (car c) :enable t))
4087 gnus-mime-button-commands)))
4089 (defun gnus-mime-button-menu (event prefix)
4090 "Construct a context-sensitive menu of MIME commands."
4091 (interactive "e\nP")
4092 (save-window-excursion
4093 (let ((pos (event-start event)))
4094 (select-window (posn-window pos))
4095 (goto-char (posn-point pos))
4096 (gnus-article-check-buffer)
4097 (popup-menu gnus-mime-button-menu nil prefix))))
4099 (defun gnus-mime-view-all-parts (&optional handles)
4100 "View all the MIME parts."
4102 (with-current-buffer gnus-article-buffer
4103 (let ((handles (or handles gnus-article-mime-handles))
4104 (mail-parse-charset gnus-newsgroup-charset)
4105 (mail-parse-ignored-charsets
4106 (with-current-buffer gnus-summary-buffer
4107 gnus-newsgroup-ignored-charsets)))
4109 (mm-remove-parts handles)
4110 (goto-char (point-min))
4111 (or (search-forward "\n\n") (goto-char (point-max)))
4112 (let ((inhibit-read-only t))
4113 (delete-region (point) (point-max))
4114 (mm-display-parts handles))))))
4116 (defun gnus-article-jump-to-part (n)
4117 "Jump to MIME part N."
4119 (pop-to-buffer gnus-article-buffer)
4120 ;; FIXME: why is it necessary?
4122 (let ((parts (length gnus-article-mime-handle-alist)))
4125 (read-string ;; Emacs 21 doesn't have `read-number'.
4126 (format "Jump to part (2..%s): " parts)))))
4127 (unless (and (integerp n) (<= n parts) (>= n 1))
4130 (gnus-message 7 "Invalid part `%s', using %s instead."
4133 (gnus-message 9 "Jumping to part %s." n)
4134 (cond ((>= gnus-auto-select-part 1)
4135 (while (and (<= n parts)
4136 (not (gnus-article-goto-part n)))
4138 ((< gnus-auto-select-part 0)
4139 (while (and (>= n 1)
4140 (not (gnus-article-goto-part n)))
4143 (gnus-article-goto-part n)))))
4146 (defsubst gnus-article-edit-part (handles &optional current-id)
4147 "Edit an article in order to delete a mime part.
4148 This function is exclusively used by `gnus-mime-save-part-and-strip'
4149 and `gnus-mime-delete-part', and not provided at run-time normally."
4150 (gnus-article-edit-article
4152 (buffer-disable-undo)
4154 (let ((mail-parse-charset (or gnus-article-charset
4155 ',gnus-newsgroup-charset))
4156 (mail-parse-ignored-charsets
4157 (or gnus-article-ignored-charsets
4158 ',gnus-newsgroup-ignored-charsets))
4159 (mbl mml-buffer-list))
4160 (setq mml-buffer-list nil)
4161 (insert-buffer-substring gnus-original-article-buffer)
4162 (mime-to-mml ',handles)
4163 (setq gnus-article-mime-handles nil)
4164 (let ((mbl1 mml-buffer-list))
4165 (setq mml-buffer-list mbl)
4166 (set (make-local-variable 'mml-buffer-list) mbl1))
4167 (gnus-make-local-hook 'kill-buffer-hook)
4168 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4169 `(lambda (no-highlight)
4170 (let ((mail-parse-charset (or gnus-article-charset
4171 ',gnus-newsgroup-charset))
4172 (message-options message-options)
4173 (message-options-set-recipient)
4174 (mail-parse-ignored-charsets
4175 (or gnus-article-ignored-charsets
4176 ',gnus-newsgroup-ignored-charsets)))
4178 (mml-destroy-buffers)
4179 (remove-hook 'kill-buffer-hook
4180 'mml-destroy-buffers t)
4181 (kill-local-variable 'mml-buffer-list))
4182 (gnus-summary-edit-article-done
4183 ,(or (mail-header-references gnus-current-headers) "")
4184 ,(gnus-group-read-only-p)
4185 ,gnus-summary-buffer no-highlight))
4187 (gnus-article-edit-done)
4188 (gnus-summary-expand-window)
4189 (gnus-summary-show-article)
4190 (when (and current-id (integerp gnus-auto-select-part))
4191 (gnus-article-jump-to-part
4192 (+ current-id gnus-auto-select-part)))))
4194 (defun gnus-mime-replace-part (file)
4195 "Replace MIME part under point with an external body."
4196 ;; Useful if file has already been saved to disk
4200 (read-file-name "Replace MIME part with file: "
4201 (or mm-default-directory default-directory)
4203 (gnus-mime-save-part-and-strip file))
4205 (defun gnus-mime-save-part-and-strip (&optional file)
4206 "Save the MIME part under point then replace it with an external body.
4207 If FILE is given, use it for the external part."
4209 (gnus-article-check-buffer)
4210 (when (gnus-group-read-only-p)
4211 (error "The current group does not support deleting of parts"))
4212 (when (mm-complicated-handles gnus-article-mime-handles)
4214 The current article has a complicated MIME structure, giving up..."))
4215 (let* ((data (get-text-property (point) 'gnus-data))
4216 (id (get-text-property (point) 'gnus-part))
4218 (handles gnus-article-mime-handles))
4221 (and data (mm-save-part data "Delete MIME part and save to: "))))
4223 (with-current-buffer (mm-handle-buffer data)
4225 (insert "Content-Type: " (mm-handle-media-type data))
4226 (mml-insert-parameter-string (cdr (mm-handle-type data))
4229 (insert "Content-ID: " (message-make-message-id) "\n")
4230 (insert "Content-Transfer-Encoding: binary\n")
4233 (cdr (mm-make-handle nil
4234 `("message/external-body"
4235 (access-type . "LOCAL-FILE")
4237 ;; (set-buffer gnus-summary-buffer)
4238 (gnus-article-edit-part handles id))))
4240 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4241 ;; parts...>') but with stripping would be nice.
4243 (defun gnus-mime-delete-part ()
4244 "Delete the MIME part under point.
4245 Replace it with some information about the removed part."
4247 (gnus-article-check-buffer)
4248 (when (gnus-group-read-only-p)
4249 (error "The current group does not support deleting of parts"))
4250 (when (mm-complicated-handles gnus-article-mime-handles)
4252 The current article has a complicated MIME structure, giving up..."))
4253 (when (or gnus-expert-user
4254 (gnus-yes-or-no-p "\
4255 Deleting parts may malfunction or destroy the article; continue? "))
4256 (let* ((data (get-text-property (point) 'gnus-data))
4257 (id (get-text-property (point) 'gnus-part))
4258 (handles gnus-article-mime-handles)
4262 (mail-decode-encoded-word-string (or (mm-handle-description data)
4265 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4267 (type (mm-handle-media-type data)))
4269 (error "No MIME part under point"))
4270 (with-current-buffer (mm-handle-buffer data)
4271 (let ((bsize (format "%s" (buffer-size))))
4276 "| The following attachment has been deleted:\n"
4278 "| Type: " type "\n"
4279 "| Filename: " filename "\n"
4280 "| Size (encoded): " bsize " Byte\n"
4281 "| Description: " description "\n"
4284 (cdr (mm-make-handle
4285 nil `("text/plain") nil nil
4287 (format "Deleted attachment (%s bytes)" bsize))))))
4288 ;; (set-buffer gnus-summary-buffer)
4289 (gnus-article-edit-part handles id))))
4291 (defun gnus-mime-save-part ()
4292 "Save the MIME part under point."
4294 (gnus-article-check-buffer)
4295 (let ((data (get-text-property (point) 'gnus-data)))
4297 (mm-save-part data))))
4299 (defun gnus-mime-pipe-part ()
4300 "Pipe the MIME part under point to a process."
4302 (gnus-article-check-buffer)
4303 (let ((data (get-text-property (point) 'gnus-data)))
4305 (mm-pipe-part data))))
4307 (defun gnus-mime-view-part ()
4308 "Interactively choose a viewing method for the MIME part under point."
4310 (gnus-article-check-buffer)
4311 (let ((data (get-text-property (point) 'gnus-data)))
4313 (setq gnus-article-mime-handles
4315 gnus-article-mime-handles (setq data (copy-sequence data))))
4316 (mm-interactively-view-part data))))
4318 (defun gnus-mime-view-part-as-type-internal ()
4319 (gnus-article-check-buffer)
4320 (let* ((name (mail-content-type-get
4321 (mm-handle-type (get-text-property (point) 'gnus-data))
4323 (def-type (and name (mm-default-file-encoding name))))
4324 (and def-type (cons def-type 0))))
4326 (defun gnus-mime-view-part-as-type (&optional mime-type)
4327 "Choose a MIME media type, and view the part as such."
4330 (setq mime-type (completing-read
4331 "View as MIME type: "
4332 (mapcar #'list (mailcap-mime-types))
4334 (gnus-mime-view-part-as-type-internal))))
4335 (gnus-article-check-buffer)
4336 (let ((handle (get-text-property (point) 'gnus-data)))
4339 (mm-make-handle (mm-handle-buffer handle)
4340 (cons mime-type (cdr (mm-handle-type handle)))
4341 (mm-handle-encoding handle)
4342 (mm-handle-undisplayer handle)
4343 (mm-handle-disposition handle)
4344 (mm-handle-description handle)
4346 (mm-handle-id handle)))
4347 (setq gnus-article-mime-handles
4348 (mm-merge-handles gnus-article-mime-handles handle))
4349 (gnus-mm-display-part handle))))
4351 (defun gnus-mime-copy-part (&optional handle arg)
4352 "Put the MIME part under point into a new buffer.
4353 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4355 (interactive (list nil current-prefix-arg))
4356 (gnus-article-check-buffer)
4358 (setq handle (get-text-property (point) 'gnus-data)))
4360 (let ((filename (or (mail-content-type-get (mm-handle-disposition handle)
4362 (mail-content-type-get (mm-handle-disposition handle)
4364 contents dont-decode charset coding-system)
4365 (mm-with-unibyte-buffer
4366 (mm-insert-part handle)
4367 (setq contents (or (condition-case nil
4368 (mm-decompress-buffer filename nil 'sig)
4370 (setq dont-decode t)
4373 (setq filename (cond (filename (file-name-nondirectory filename))
4374 (dont-decode "*raw data*")
4379 (unless (setq charset (mail-content-type-get
4380 (mm-handle-type handle) 'charset))
4381 (unless (setq coding-system (mm-with-unibyte-buffer
4383 (mm-find-buffer-file-coding-system)))
4384 (setq charset gnus-newsgroup-charset))))
4386 (setq charset (or (cdr (assq arg
4387 gnus-summary-show-article-charset-alist))
4388 (mm-read-coding-system "Charset: ")))))
4389 (switch-to-buffer (generate-new-buffer filename))
4390 (if (or coding-system
4392 (setq coding-system (mm-charset-to-coding-system charset))
4393 (not (eq charset 'ascii))))
4395 (mm-enable-multibyte)
4396 (insert (mm-decode-coding-string contents coding-system))
4397 (setq buffer-file-coding-system
4398 (if (boundp 'last-coding-system-used)
4399 (symbol-value 'last-coding-system-used)
4401 (mm-disable-multibyte)
4403 (setq buffer-file-coding-system mm-binary-coding-system))
4404 ;; We do it this way to make `normal-mode' set the appropriate mode.
4407 (setq buffer-file-name (expand-file-name filename))
4409 (setq buffer-file-name nil))
4410 (goto-char (point-min)))))
4412 (defun gnus-mime-print-part (&optional handle filename)
4413 "Print the MIME part under point."
4414 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4415 (gnus-article-check-buffer)
4416 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4417 (contents (and handle (mm-get-part handle)))
4418 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4419 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4424 (mm-save-part-to-file handle file)
4425 (call-process shell-file-name nil
4426 (generate-new-buffer " *mm*")
4428 shell-command-switch
4430 printer file (mm-handle-type handle))))
4434 (gnus-print-buffer))
4435 (ps-despool filename)))))
4437 (defun gnus-mime-inline-part (&optional handle arg)
4438 "Insert the MIME part under point into the current buffer.
4439 Compressed files like .gz and .bz2 are decompressed."
4440 (interactive (list nil current-prefix-arg))
4441 (gnus-article-check-buffer)
4443 (setq handle (get-text-property (point) 'gnus-data)))
4446 (inhibit-read-only t)
4447 contents charset coding-system)
4448 (if (and (not arg) (mm-handle-undisplayer handle))
4449 (mm-remove-part handle)
4450 (mm-with-unibyte-buffer
4451 (mm-insert-part handle)
4453 (or (mm-decompress-buffer
4454 (or (mail-content-type-get (mm-handle-disposition handle)
4456 (mail-content-type-get (mm-handle-disposition handle)
4462 (unless (setq charset (mail-content-type-get
4463 (mm-handle-type handle) 'charset))
4464 (unless (setq coding-system
4465 (mm-with-unibyte-buffer
4467 (mm-find-buffer-file-coding-system)))
4468 (setq charset gnus-newsgroup-charset))))
4470 (if (mm-handle-undisplayer handle)
4471 (mm-remove-part handle))
4474 gnus-summary-show-article-charset-alist))
4475 (mm-read-coding-system "Charset: "))))
4477 (if (mm-handle-undisplayer handle)
4478 (mm-remove-part handle))))
4482 (if (or coding-system
4485 (mm-charset-to-coding-system charset))
4486 (not (eq coding-system 'ascii))))
4487 (mm-decode-coding-string contents coding-system)
4488 (mm-string-to-multibyte contents)))
4491 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4492 "Insert the MIME part under point into the current buffer using the
4494 (interactive (list nil current-prefix-arg))
4495 (gnus-article-check-buffer)
4496 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4499 (inhibit-read-only t))
4501 (if (mm-handle-undisplayer handle)
4502 (mm-remove-part handle))
4503 (let ((gnus-newsgroup-charset
4505 gnus-summary-show-article-charset-alist))
4506 (mm-read-coding-system "Charset: ")))
4507 (gnus-newsgroup-ignored-charsets 'gnus-all))
4508 (gnus-article-press-button)))))
4510 (defun gnus-mime-view-part-externally (&optional handle)
4511 "View the MIME part under point with an external viewer."
4513 (gnus-article-check-buffer)
4514 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4515 (mm-user-display-methods nil)
4516 (mm-inlined-types nil)
4517 (mail-parse-charset gnus-newsgroup-charset)
4518 (mail-parse-ignored-charsets
4519 (with-current-buffer gnus-summary-buffer
4520 gnus-newsgroup-ignored-charsets)))
4522 (if (mm-handle-undisplayer handle)
4523 (mm-remove-part handle)
4524 (mm-display-part handle)))))
4526 (defun gnus-mime-view-part-internally (&optional handle)
4527 "View the MIME part under point with an internal viewer.
4528 If no internal viewer is available, use an external viewer."
4530 (gnus-article-check-buffer)
4531 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4532 (mm-inlined-types '(".*"))
4533 (mm-inline-large-images t)
4534 (mail-parse-charset gnus-newsgroup-charset)
4535 (mail-parse-ignored-charsets
4536 (with-current-buffer gnus-summary-buffer
4537 gnus-newsgroup-ignored-charsets))
4538 (inhibit-read-only t))
4540 (if (mm-handle-undisplayer handle)
4541 (mm-remove-part handle)
4542 (mm-display-part handle)))))
4544 (defun gnus-mime-action-on-part (&optional action)
4545 "Do something with the MIME attachment at \(point\)."
4547 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4548 (gnus-article-check-buffer)
4549 (let ((action-pair (assoc action gnus-mime-action-alist)))
4551 (funcall (cdr action-pair)))))
4553 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
4554 "Call FUNCTION on MIME part N.
4555 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
4556 If INTERACTIVE, call FUNCTION interactivly."
4558 ;; Check whether the article is displayed.
4559 (unless (and (gnus-buffer-live-p gnus-article-buffer)
4560 (setq window (get-buffer-window gnus-article-buffer t))
4561 (frame-visible-p (setq frame (window-frame window))))
4562 (error "No article is displayed"))
4563 (with-current-buffer gnus-article-buffer
4564 ;; Check whether the article displays the right contents.
4565 (unless (with-current-buffer gnus-summary-buffer
4566 (eq gnus-current-article (gnus-summary-article-number)))
4567 (error "You should select the right article first"))
4568 ;; Check whether the specified part exists.
4569 (when (> n (length gnus-article-mime-handle-alist))
4570 (error "No such part")))
4573 ;; To select the window is needed so that the cursor
4574 ;; might be visible on the MIME button.
4575 (select-window (prog1
4577 (setq window (selected-window))
4578 ;; Article may be displayed in the other frame.
4579 (gnus-select-frame-set-input-focus
4582 (setq frame (selected-frame))))))
4583 (when (gnus-article-goto-part n)
4584 ;; We point the cursor and the arrow at the MIME button
4585 ;; when the `function' prompt the user for something.
4586 (let ((cursor-in-non-selected-windows t)
4587 (overlay-arrow-string "=>")
4588 (overlay-arrow-position (point-marker)))
4591 ((and no-handle interactive)
4592 (call-interactively function))
4598 (cdr (assq n gnus-article-mime-handle-alist))))
4601 (cdr (assq n gnus-article-mime-handle-alist)))))
4602 (set-marker overlay-arrow-position nil)
4603 (unless gnus-auto-select-part
4604 (gnus-select-frame-set-input-focus frame)
4605 (select-window window))))
4607 (if gnus-inhibit-mime-unbuttonizing
4608 ;; This is the default though the program shouldn't reach here.
4609 (error "No such part")
4610 ;; The part which doesn't have the MIME button is selected.
4611 ;; So, we display all the buttons and redo it.
4612 (let ((gnus-inhibit-mime-unbuttonizing t))
4613 (gnus-summary-show-article)
4614 (gnus-article-part-wrapper n function no-handle))))))
4616 (defun gnus-article-pipe-part (n)
4617 "Pipe MIME part N, which is the numerical prefix."
4619 (gnus-article-part-wrapper n 'mm-pipe-part))
4621 (defun gnus-article-save-part (n)
4622 "Save MIME part N, which is the numerical prefix."
4624 (gnus-article-part-wrapper n 'mm-save-part))
4626 (defun gnus-article-interactively-view-part (n)
4627 "View MIME part N interactively, which is the numerical prefix."
4629 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4631 (defun gnus-article-copy-part (n)
4632 "Copy MIME part N, which is the numerical prefix."
4634 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4636 (defun gnus-article-view-part-as-charset (n)
4637 "View MIME part N using a specified charset.
4638 N is the numerical prefix."
4640 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4642 (defun gnus-article-view-part-externally (n)
4643 "View MIME part N externally, which is the numerical prefix."
4645 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4647 (defun gnus-article-inline-part (n)
4648 "Inline MIME part N, which is the numerical prefix."
4650 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4652 (defun gnus-article-save-part-and-strip (n)
4653 "Save MIME part N and replace it with an external body.
4654 N is the numerical prefix."
4656 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
4658 (defun gnus-article-replace-part (n)
4659 "Replace MIME part N with an external body.
4660 N is the numerical prefix."
4662 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
4664 (defun gnus-article-delete-part (n)
4665 "Delete MIME part N and add some information about the removed part.
4666 N is the numerical prefix."
4668 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
4670 (defun gnus-article-mime-match-handle-first (condition)
4673 (dolist (ihandle gnus-article-mime-handle-alist)
4675 ((functionp condition)
4676 (funcall condition (cdr ihandle)))
4677 ((eq condition 'undisplayed)
4678 (not (or (mm-handle-undisplayer (cdr ihandle))
4679 (equal (mm-handle-media-type (cdr ihandle))
4680 "multipart/alternative"))))
4681 ((eq condition 'undisplayed-alternative)
4682 (not (mm-handle-undisplayer (cdr ihandle))))
4684 (gnus-article-goto-part (car ihandle))
4685 (or (not n) (< (car ihandle) n)))
4686 (setq n (car ihandle))))
4690 (defun gnus-article-view-part (&optional n)
4691 "View MIME part N, which is the numerical prefix."
4693 (with-current-buffer gnus-article-buffer
4694 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4695 gnus-article-mime-match-handle-function)))
4696 (when (> n (length gnus-article-mime-handle-alist))
4697 (error "No such part"))
4698 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4699 (when (gnus-article-goto-part n)
4700 (if (equal (car handle) "multipart/alternative")
4701 (gnus-article-press-button)
4702 (when (eq (gnus-mm-display-part handle) 'internal)
4703 (gnus-set-window-start)))))))
4705 (defsubst gnus-article-mime-total-parts ()
4706 (if (bufferp (car gnus-article-mime-handles))
4708 (1- (length gnus-article-mime-handles))))
4710 (defun gnus-mm-display-part (handle)
4711 "Display HANDLE and fix MIME button."
4712 (let ((id (get-text-property (point) 'gnus-part))
4714 (inhibit-read-only t))
4717 (let ((window (selected-window))
4718 (mail-parse-charset gnus-newsgroup-charset)
4719 (mail-parse-ignored-charsets
4720 (if (gnus-buffer-live-p gnus-summary-buffer)
4721 (with-current-buffer gnus-summary-buffer
4722 gnus-newsgroup-ignored-charsets)
4726 (let ((win (gnus-get-buffer-window (current-buffer) t))
4729 (select-window win))
4732 (if (mm-handle-displayed-p handle)
4733 ;; This will remove the part.
4734 (mm-display-part handle)
4736 (narrow-to-region (point)
4737 (if (eobp) (point) (1+ (point))))
4738 (mm-display-part handle)
4739 ;; We narrow to the part itself and
4740 ;; then call the treatment functions.
4741 (goto-char (point-min))
4743 (narrow-to-region (point) (point-max))
4746 (gnus-article-mime-total-parts)
4747 (mm-handle-media-type handle)))))
4748 (if (window-live-p window)
4749 (select-window window)))))
4752 (gnus-insert-mime-button
4753 handle id (list (mm-handle-displayed-p handle)))
4754 (goto-char point))))
4756 (defun gnus-article-goto-part (n)
4757 "Go to MIME part N."
4758 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4760 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4761 (let ((gnus-tmp-name
4762 (or (mail-content-type-get (mm-handle-type handle) 'name)
4763 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4764 (mail-content-type-get (mm-handle-type handle) 'url)
4766 (gnus-tmp-type (mm-handle-media-type handle))
4767 (gnus-tmp-description
4768 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4771 (if (if displayed (car displayed)
4772 (mm-handle-displayed-p handle))
4774 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4776 gnus-tmp-type-long b e)
4777 (when (string-match ".*/" gnus-tmp-name)
4778 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4779 (setq gnus-tmp-type-long (concat gnus-tmp-type
4780 (and (not (equal gnus-tmp-name ""))
4781 (concat "; " gnus-tmp-name))))
4782 (unless (equal gnus-tmp-description "")
4783 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4788 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4789 `(keymap ,gnus-mime-button-map
4790 gnus-callback gnus-mm-display-part
4791 gnus-part ,gnus-tmp-id
4792 article-type annotation
4795 ;; Exclude a newline.
4798 (widget-convert-button
4801 :action 'gnus-widget-press-button
4802 :button-keymap gnus-mime-button-map
4804 (lambda (widget/window &optional overlay pos)
4805 ;; Needed to properly clear the message due to a bug in
4806 ;; wid-edit (XEmacs only).
4807 (if (boundp 'help-echo-owns-message)
4808 (setq help-echo-owns-message t))
4810 "%S: %s the MIME part; %S: more options"
4811 (aref gnus-mouse-2 0)
4812 ;; XEmacs will get a single widget arg; Emacs 21 will get
4813 ;; window, overlay, position.
4814 (if (mm-handle-displayed-p
4816 (with-current-buffer (gnus-overlay-buffer overlay)
4817 (widget-get (widget-at (gnus-overlay-start overlay))
4819 (widget-get widget/window :mime-handle)))
4821 (aref gnus-down-mouse-3 0))))))
4823 (defun gnus-widget-press-button (elems el)
4824 (goto-char (widget-get elems :from))
4825 (gnus-article-press-button))
4827 (defvar gnus-displaying-mime nil)
4829 (defun gnus-display-mime (&optional ihandles)
4830 "Display the MIME parts."
4832 (save-selected-window
4833 (let ((window (get-buffer-window gnus-article-buffer))
4836 (select-window window)
4837 ;; We have to do this since selecting the window
4838 ;; may change the point. So we set the window point.
4839 (set-window-point window point)))
4840 (let ((handles ihandles)
4841 (inhibit-read-only t)
4844 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4845 (when gnus-article-emulate-mime
4846 (mm-uu-dissect-text-parts handles)))
4847 (gnus-article-emulate-mime
4848 (setq handles (mm-uu-dissect))))
4849 (when (and (not ihandles)
4850 (not gnus-displaying-mime))
4851 ;; Top-level call; we clean up.
4852 (when gnus-article-mime-handles
4853 (mm-destroy-parts gnus-article-mime-handles)
4854 (setq gnus-article-mime-handle-alist nil));; A trick.
4855 (setq gnus-article-mime-handles handles)
4856 ;; We allow users to glean info from the handles.
4857 (when gnus-article-mime-part-function
4858 (gnus-mime-part-function handles)))
4860 (or (not (stringp (car handles)))
4863 (when (and (not ihandles)
4864 (not gnus-displaying-mime))
4865 ;; Clean up for mime parts.
4867 (delete-region (point) (point-max)))
4868 (let ((gnus-displaying-mime t))
4869 (gnus-mime-display-part handles)))
4872 (narrow-to-region (point) (point-max))
4873 (gnus-treat-article nil 1 1)
4876 ;; Highlight the headers.
4880 (narrow-to-region (point-min) (point))
4881 (gnus-article-save-original-date
4882 (gnus-treat-article 'head)))))))))
4884 (defcustom gnus-mime-display-multipart-as-mixed nil
4885 "Display \"multipart\" parts as \"multipart/mixed\".
4887 If t, it overrides nil values of
4888 `gnus-mime-display-multipart-alternative-as-mixed' and
4889 `gnus-mime-display-multipart-related-as-mixed'."
4890 :group 'gnus-article-mime
4893 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4894 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4896 :group 'gnus-article-mime
4899 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4900 "Display \"multipart/related\" parts as \"multipart/mixed\".
4902 If displaying \"text/html\" is discouraged \(see
4903 `mm-discouraged-alternatives'\) images or other material inside a
4904 \"multipart/related\" part might be overlooked when this variable is nil."
4906 :group 'gnus-article-mime
4909 (defun gnus-mime-display-part (handle)
4911 ;; Maybe a broken MIME message.
4914 ((not (stringp (car handle)))
4915 (gnus-mime-display-single handle))
4916 ;; User-defined multipart
4917 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4918 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4920 ;; multipart/alternative
4921 ((and (equal (car handle) "multipart/alternative")
4922 (not (or gnus-mime-display-multipart-as-mixed
4923 gnus-mime-display-multipart-alternative-as-mixed)))
4924 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4925 (push (cons id handle) gnus-article-mime-handle-alist)
4926 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4927 ;; multipart/related
4928 ((and (equal (car handle) "multipart/related")
4929 (not (or gnus-mime-display-multipart-as-mixed
4930 gnus-mime-display-multipart-related-as-mixed)))
4931 ;;;!!!We should find the start part, but we just default
4932 ;;;!!!to the first part.
4933 ;;(gnus-mime-display-part (cadr handle))
4934 ;;;!!! Most multipart/related is an HTML message plus images.
4935 ;;;!!! Unfortunately we are unable to let W3 display those
4936 ;;;!!! included images, so we just display it as a mixed multipart.
4937 ;;(gnus-mime-display-mixed (cdr handle))
4938 ;;;!!! No, w3 can display everything just fine.
4939 (gnus-mime-display-part (cadr handle)))
4940 ((equal (car handle) "multipart/signed")
4941 (gnus-add-wash-type 'signed)
4942 (gnus-mime-display-security handle))
4943 ((equal (car handle) "multipart/encrypted")
4944 (gnus-add-wash-type 'encrypted)
4945 (gnus-mime-display-security handle))
4946 ;; Other multiparts are handled like multipart/mixed.
4948 (gnus-mime-display-mixed (cdr handle)))))
4950 (defun gnus-mime-part-function (handles)
4951 (if (stringp (car handles))
4952 (mapcar 'gnus-mime-part-function (cdr handles))
4953 (funcall gnus-article-mime-part-function handles)))
4955 (defun gnus-mime-display-mixed (handles)
4956 (mapcar 'gnus-mime-display-part handles))
4958 (defun gnus-mime-display-single (handle)
4959 (let ((type (mm-handle-media-type handle))
4960 (ignored gnus-ignored-mime-types)
4967 (when (string-match (pop ignored) type)
4968 (throw 'ignored nil)))
4969 (if (and (setq not-attachment
4970 (and (not (mm-inline-override-p handle))
4971 (or (not (mm-handle-disposition handle))
4972 (equal (car (mm-handle-disposition handle))
4974 (mm-attachment-override-p handle))))
4975 (mm-automatic-display-p handle)
4977 (mm-inlinable-p handle)
4978 (mm-inlined-p handle))
4979 (mm-automatic-external-display-p type)))
4981 (when (equal (mm-handle-media-supertype handle) "text")
4983 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4985 (push (cons id handle) gnus-article-mime-handle-alist)
4986 (when (or (not display)
4987 (not (gnus-unbuttonized-mime-type-p type)))
4988 (gnus-insert-mime-button
4989 handle id (list (or display (and not-attachment text))))
4990 (gnus-article-insert-newline)
4991 ;; Remember modify the number of forward lines.
4999 (let ((mail-parse-charset gnus-newsgroup-charset)
5000 (mail-parse-ignored-charsets
5001 (save-excursion (condition-case ()
5002 (set-buffer gnus-summary-buffer)
5004 gnus-newsgroup-ignored-charsets)))
5005 (mm-display-part handle t))
5006 (goto-char (point-max)))
5007 ((and text not-attachment)
5011 (gnus-article-insert-newline)
5014 (let ((charset (mail-content-type-get (mm-handle-type handle)
5016 (cond ((not charset)
5017 (mm-string-as-multibyte (mm-get-part handle)))
5018 ((eq charset 'gnus-decoded)
5019 (with-current-buffer (mm-handle-buffer handle)
5022 (mm-decode-string (mm-get-part handle) charset)))))
5023 (goto-char (point-max))))
5027 (narrow-to-region beg (point))
5030 (gnus-article-mime-total-parts)
5031 (mm-handle-media-type handle)))))))))
5033 (defun gnus-unbuttonized-mime-type-p (type)
5034 "Say whether TYPE is to be unbuttonized."
5035 (unless gnus-inhibit-mime-unbuttonizing
5037 (let ((types gnus-unbuttonized-mime-types))
5039 (when (string-match (pop types) type)
5040 (throw 'found t)))))
5042 (let ((types gnus-buttonized-mime-types))
5044 (when (string-match (pop types) type)
5045 (throw 'found t)))))))))
5047 (defun gnus-article-insert-newline ()
5048 "Insert a newline, but mark it as undeletable."
5049 (gnus-put-text-property
5050 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5052 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5053 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5056 handle (inhibit-read-only t) from props begend not-pref)
5057 (save-window-excursion
5060 (narrow-to-region (car ibegend)
5063 (goto-char (car ibegend))
5066 (delete-region (point-min) (point-max))
5067 (mm-remove-parts handles))
5068 (setq begend (list (point-marker)))
5070 (unless (setq not-pref (cadr (member preferred ihandles)))
5071 (setq not-pref (car ihandles)))
5074 (not (gnus-unbuttonized-mime-type-p
5075 "multipart/alternative")))
5076 (gnus-add-text-properties
5079 (insert (format "%d. " id))
5083 (unless ,(not ibegend)
5084 (setq gnus-article-mime-handle-alist
5085 ',gnus-article-mime-handle-alist))
5086 (gnus-mime-display-alternative
5087 ',ihandles ',not-pref ',begend ,id))
5088 keymap ,gnus-mime-button-map
5089 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5090 face ,gnus-article-button-face
5093 (widget-convert-button 'link from (point)
5094 :action 'gnus-widget-press-button
5095 :button-keymap gnus-widget-button-keymap)
5097 (while (setq handle (pop handles))
5098 (gnus-add-text-properties
5101 (insert (format "(%c) %-18s"
5102 (if (equal handle preferred) ?* ? )
5103 (mm-handle-media-type handle)))
5107 (unless ,(not ibegend)
5108 (setq gnus-article-mime-handle-alist
5109 ',gnus-article-mime-handle-alist))
5110 (gnus-mime-display-alternative
5111 ',ihandles ',handle ',begend ,id))
5112 keymap ,gnus-mime-button-map
5113 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5114 face ,gnus-article-button-face
5117 (widget-convert-button 'link from (point)
5118 :action 'gnus-widget-press-button
5119 :button-keymap gnus-widget-button-keymap)
5123 (if (stringp (car preferred))
5124 (gnus-display-mime preferred)
5125 (let ((mail-parse-charset gnus-newsgroup-charset)
5126 (mail-parse-ignored-charsets
5127 (with-current-buffer gnus-summary-buffer
5128 gnus-newsgroup-ignored-charsets)))
5129 (mm-display-part preferred)
5133 (narrow-to-region (car begend) (point-max))
5135 nil (length gnus-article-mime-handle-alist)
5136 (gnus-article-mime-total-parts)
5137 (mm-handle-media-type handle))))))
5138 (goto-char (point-max))
5139 (setcdr begend (point-marker)))))
5141 (goto-char point))))
5143 (defconst gnus-article-wash-status-strings
5144 (let ((alist '((cite "c" "Possible hidden citation text"
5145 " " "All citation text visible")
5146 (headers "h" "Hidden headers"
5147 " " "All headers visible.")
5148 (pgp "p" "Encrypted or signed message status hidden"
5149 " " "No hidden encryption nor digital signature status")
5150 (signature "s" "Signature has been hidden"
5151 " " "Signature is visible")
5152 (overstrike "o" "Overstrike (^H) characters applied"
5153 " " "No overstrike characters applied")
5154 (emphasis "e" "/*_Emphasis_*/ characters applied"
5155 " " "No /*_emphasis_*/ characters applied")))
5157 (dolist (entry alist result)
5158 (let ((key (nth 0 entry))
5159 (on (copy-sequence (nth 1 entry)))
5160 (on-help (nth 2 entry))
5161 (off (copy-sequence (nth 3 entry)))
5162 (off-help (nth 4 entry)))
5163 (put-text-property 0 1 'help-echo on-help on)
5164 (put-text-property 0 1 'help-echo off-help off)
5165 (push (list key on off) result))))
5166 "Alist of strings describing wash status in the mode line.
5167 Each entry has the form (KEY ON OF), where the KEY is a symbol
5168 representing the particular washing function, ON is the string to use
5169 in the article mode line when the washing function is active, and OFF
5170 is the string to use when it is inactive.")
5172 (defun gnus-article-wash-status-entry (key value)
5173 (let ((entry (assoc key gnus-article-wash-status-strings)))
5174 (if value (nth 1 entry) (nth 2 entry))))
5176 (defun gnus-article-wash-status ()
5177 "Return a string which display status of article washing."
5178 (with-current-buffer gnus-article-buffer
5179 (let ((cite (memq 'cite gnus-article-wash-types))
5180 (headers (memq 'headers gnus-article-wash-types))
5181 (boring (memq 'boring-headers gnus-article-wash-types))
5182 (pgp (memq 'pgp gnus-article-wash-types))
5183 (pem (memq 'pem gnus-article-wash-types))
5184 (signed (memq 'signed gnus-article-wash-types))
5185 (encrypted (memq 'encrypted gnus-article-wash-types))
5186 (signature (memq 'signature gnus-article-wash-types))
5187 (overstrike (memq 'overstrike gnus-article-wash-types))
5188 (emphasis (memq 'emphasis gnus-article-wash-types)))
5190 (gnus-article-wash-status-entry 'cite cite)
5191 (gnus-article-wash-status-entry 'headers (or headers boring))
5192 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5193 (gnus-article-wash-status-entry 'signature signature)
5194 (gnus-article-wash-status-entry 'overstrike overstrike)
5195 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5197 (defun gnus-add-wash-type (type)
5198 "Add a washing of TYPE to the current status."
5199 (add-to-list 'gnus-article-wash-types type))
5201 (defun gnus-delete-wash-type (type)
5202 "Add a washing of TYPE to the current status."
5203 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5205 (defun gnus-add-image (category image)
5206 "Add IMAGE of CATEGORY to the list of displayed images."
5207 (let ((entry (assq category gnus-article-image-alist)))
5209 (setq entry (list category))
5210 (push entry gnus-article-image-alist))
5211 (nconc entry (list image))))
5213 (defun gnus-delete-images (category)
5214 "Delete all images in CATEGORY."
5215 (let ((entry (assq category gnus-article-image-alist)))
5216 (dolist (image (cdr entry))
5217 (gnus-remove-image image category))
5218 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5219 (gnus-delete-wash-type category)))
5221 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5223 (defun gnus-article-maybe-hide-headers ()
5224 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5225 Provided for backwards compatibility."
5226 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5227 (not (with-current-buffer gnus-summary-buffer
5228 gnus-have-all-headers)))
5229 (not gnus-inhibit-hiding))
5230 (gnus-article-hide-headers)))
5234 (defun gnus-output-to-file (file-name)
5235 "Append the current article to a file named FILE-NAME."
5236 (let ((artbuf (current-buffer)))
5238 (insert-buffer-substring artbuf)
5239 ;; Append newline at end of the buffer as separator, and then
5241 (goto-char (point-max))
5243 (let ((file-name-coding-system nnmail-pathname-coding-system))
5244 (mm-append-to-file (point-min) (point-max) file-name))
5247 (defun gnus-narrow-to-page (&optional arg)
5248 "Narrow the article buffer to a page.
5249 If given a numerical ARG, move forward ARG pages."
5251 (setq arg (if arg (prefix-numeric-value arg) 0))
5253 (set-buffer gnus-article-buffer)
5254 (goto-char (point-min))
5256 ;; Remove any old next/prev buttons.
5257 (when (gnus-visual-p 'page-marker)
5258 (let ((inhibit-read-only t))
5259 (gnus-remove-text-with-property 'gnus-prev)
5260 (gnus-remove-text-with-property 'gnus-next)))
5263 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5265 (re-search-forward page-delimiter nil 'move arg)))
5266 (goto-char (match-end 0))
5268 (goto-char (point-min))
5269 (setq gnus-page-broken
5270 (and (re-search-forward page-delimiter nil t) t))))
5271 (when gnus-page-broken
5274 (if (re-search-forward page-delimiter nil 'move)
5277 (when (and (gnus-visual-p 'page-marker)
5278 (> (point-min) (save-restriction (widen) (point-min))))
5280 (goto-char (point-min))
5281 (gnus-insert-prev-page-button)))
5282 (when (and (gnus-visual-p 'page-marker)
5283 (< (point-max) (save-restriction (widen) (point-max))))
5285 (goto-char (point-max))
5286 (gnus-insert-next-page-button))))))
5288 ;; Article mode commands
5290 (defun gnus-article-goto-next-page ()
5291 "Show the next page of the article."
5293 (when (gnus-article-next-page)
5294 (goto-char (point-min))
5295 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5298 (defun gnus-article-goto-prev-page ()
5299 "Show the previous page of the article."
5302 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5303 (gnus-article-prev-page nil)))
5305 ;; This is cleaner but currently breaks `gnus-pick-mode':
5307 ;; (defun gnus-article-goto-next-page ()
5308 ;; "Show the next page of the article."
5310 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5311 ;; (gnus-summary-next-page)))
5313 ;; (defun gnus-article-goto-prev-page ()
5314 ;; "Show the next page of the article."
5316 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5317 ;; (gnus-summary-prev-page)))
5319 (defun gnus-article-next-page (&optional lines)
5320 "Show the next page of the current article.
5321 If end of article, return non-nil. Otherwise return nil.
5322 Argument LINES specifies lines to be scrolled up."
5324 (move-to-window-line -1)
5327 (and (pos-visible-in-window-p) ;Not continuation line.
5328 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5329 ;; Nothing in this page.
5330 (if (or (not gnus-page-broken)
5335 (eobp)))) ;Real end-of-buffer?
5337 (when gnus-article-over-scroll
5338 (gnus-article-next-page-1 lines))
5340 (gnus-narrow-to-page 1) ;Go to next page.
5342 ;; More in this page.
5343 (gnus-article-next-page-1 lines)
5346 (defmacro gnus-article-beginning-of-window ()
5347 "Move point to the beginning of the window.
5348 In Emacs, the point is placed at the line number which `scroll-margin'
5350 (if (featurep 'xemacs)
5351 '(move-to-window-line 0)
5352 '(move-to-window-line
5353 (min (max 0 scroll-margin)
5354 (max 1 (- (window-height)
5355 (if mode-line-format 1 0)
5356 (if header-line-format 1 0)))))))
5358 (defun gnus-article-next-page-1 (lines)
5359 (when (and (not (featurep 'xemacs))
5362 (numberp (symbol-value 'scroll-margin))
5363 (> (symbol-value 'scroll-margin) 0))
5364 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5365 ;; too many number of lines if `scroll-margin' is set as two or greater.
5366 (setq lines (min lines
5367 (max 0 (- (count-lines (window-start) (point-max))
5368 (symbol-value 'scroll-margin))))))
5370 (let ((scroll-in-place nil))
5373 ;; Long lines may cause an end-of-buffer error.
5374 (goto-char (point-max))))
5375 (gnus-article-beginning-of-window))
5377 (defun gnus-article-prev-page (&optional lines)
5378 "Show previous page of current article.
5379 Argument LINES specifies lines to be scrolled down."
5381 (move-to-window-line 0)
5382 (if (and gnus-page-broken
5384 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5386 (gnus-narrow-to-page -1) ;Go to previous page.
5387 (goto-char (point-max))
5391 (let ((scroll-in-place nil))
5392 (scroll-down lines))
5393 (beginning-of-buffer
5394 (goto-char (point-min))))
5395 (gnus-article-beginning-of-window))))
5397 (defun gnus-article-only-boring-p ()
5398 "Decide whether there is only boring text remaining in the article.
5399 Something \"interesting\" is a word of at least two letters that does
5400 not have a face in `gnus-article-boring-faces'."
5401 (when (and gnus-article-skip-boring
5402 (boundp 'gnus-article-boring-faces)
5403 (symbol-value 'gnus-article-boring-faces))
5406 (while (re-search-forward "\\b\\w\\w" nil t)
5408 (when (not (gnus-intersection
5409 (gnus-faces-at (point))
5410 (symbol-value 'gnus-article-boring-faces)))
5411 (throw 'only-boring nil)))
5412 (throw 'only-boring t)))))
5414 (defun gnus-article-refer-article ()
5415 "Read article specified by message-id around point."
5418 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5419 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5420 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5421 (let ((msg-id (concat "<" (match-string 0) ">")))
5422 (set-buffer gnus-summary-buffer)
5423 (gnus-summary-refer-article msg-id))
5424 (error "No references around point"))))
5426 (defun gnus-article-show-summary ()
5427 "Reconfigure windows to show summary buffer."
5429 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5430 (error "There is no summary buffer for this article buffer")
5431 (gnus-article-set-globals)
5432 (gnus-configure-windows 'article)
5433 (gnus-summary-goto-subject gnus-current-article)
5434 (gnus-summary-position-point)))
5436 (defun gnus-article-describe-briefly ()
5437 "Describe article mode commands briefly."
5439 (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")))
5441 (defun gnus-article-summary-command ()
5442 "Execute the last keystroke in the summary buffer."
5444 (let ((obuf (current-buffer))
5445 (owin (current-window-configuration))
5447 (switch-to-buffer gnus-article-current-summary 'norecord)
5448 (setq func (lookup-key (current-local-map) (this-command-keys)))
5449 (call-interactively func)
5451 (set-window-configuration owin)
5452 (set-window-point (get-buffer-window (current-buffer)) (point))))
5454 (defun gnus-article-summary-command-nosave ()
5455 "Execute the last keystroke in the summary buffer."
5458 (pop-to-buffer gnus-article-current-summary 'norecord)
5459 (setq func (lookup-key (current-local-map) (this-command-keys)))
5460 (call-interactively func)))
5462 (defun gnus-article-check-buffer ()
5463 "Beep if not in an article buffer."
5464 (unless (equal major-mode 'gnus-article-mode)
5465 (error "Command invoked outside of a Gnus article buffer")))
5467 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5468 "Read a summary buffer key sequence and execute it from the article buffer."
5470 (gnus-article-check-buffer)
5472 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5473 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5474 "=" "^" "\M-^" "|"))
5480 '("n" "Gn" "p" "Gp"))
5483 (set-buffer gnus-article-current-summary)
5484 (let (gnus-pick-mode)
5485 (push (or key last-command-event) unread-command-events)
5486 (setq keys (if (featurep 'xemacs)
5487 (events-to-keys (read-key-sequence nil))
5488 (read-key-sequence nil)))))
5492 (if (or (member keys nosaves)
5493 (member keys nosave-but-article)
5494 (member keys nosave-in-article))
5496 (save-window-excursion
5497 (pop-to-buffer gnus-article-current-summary 'norecord)
5498 ;; We disable the pick minor mode commands.
5499 (let (gnus-pick-mode)
5500 (setq func (lookup-key (current-local-map) keys))))
5504 (unless (member keys nosave-in-article)
5505 (set-buffer gnus-article-current-summary))
5506 (call-interactively func)
5507 (setq new-sum-point (point)))
5508 (when (member keys nosave-but-article)
5509 (pop-to-buffer gnus-article-buffer 'norecord)))
5510 ;; These commands should restore window configuration.
5511 (let ((obuf (current-buffer))
5512 (owin (current-window-configuration))
5514 win func in-buffer selected new-sum-start new-sum-hscroll)
5515 (cond (not-restore-window
5516 (pop-to-buffer gnus-article-current-summary 'norecord))
5517 ((setq win (get-buffer-window gnus-article-current-summary))
5518 (select-window win))
5520 (switch-to-buffer gnus-article-current-summary 'norecord)))
5521 (setq in-buffer (current-buffer))
5522 ;; We disable the pick minor mode commands.
5523 (if (and (setq func (let (gnus-pick-mode)
5524 (lookup-key (current-local-map) keys)))
5527 (call-interactively func)
5528 (when (eq win (selected-window))
5529 (setq new-sum-point (point)
5530 new-sum-start (window-start win)
5531 new-sum-hscroll (window-hscroll win)))
5532 (when (eq in-buffer (current-buffer))
5533 (setq selected (gnus-summary-select-article))
5535 (unless not-restore-window
5536 (set-window-configuration owin))
5537 (when (eq selected 'old)
5539 (set-window-start (get-buffer-window (current-buffer))
5541 (set-window-point (get-buffer-window (current-buffer))
5543 (when (and (not not-restore-window)
5545 (set-window-point win new-sum-point)
5546 (set-window-start win new-sum-start)
5547 (set-window-hscroll win new-sum-hscroll))))
5548 (set-window-configuration owin)
5551 (defun gnus-article-describe-key (key)
5552 "Display documentation of the function invoked by KEY. KEY is a string."
5553 (interactive "kDescribe key: ")
5554 (gnus-article-check-buffer)
5555 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5557 (set-buffer gnus-article-current-summary)
5558 (let (gnus-pick-mode)
5559 (if (featurep 'xemacs)
5561 (push (elt key 0) unread-command-events)
5562 (setq key (events-to-keys
5563 (read-key-sequence "Describe key: "))))
5564 (setq unread-command-events
5566 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5567 (string-to-list key)))
5568 (setq key (read-key-sequence "Describe key: "))))
5570 (describe-key key)))
5572 (defun gnus-article-describe-key-briefly (key &optional insert)
5573 "Display documentation of the function invoked by KEY. KEY is a string."
5574 (interactive "kDescribe key: \nP")
5575 (gnus-article-check-buffer)
5576 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5578 (set-buffer gnus-article-current-summary)
5579 (let (gnus-pick-mode)
5580 (if (featurep 'xemacs)
5582 (push (elt key 0) unread-command-events)
5583 (setq key (events-to-keys
5584 (read-key-sequence "Describe key: "))))
5585 (setq unread-command-events
5587 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5588 (string-to-list key)))
5589 (setq key (read-key-sequence "Describe key: "))))
5590 (describe-key-briefly key insert))
5591 (describe-key-briefly key insert)))
5593 (defun gnus-article-reply-with-original (&optional wide)
5594 "Start composing a reply mail to the current message.
5595 The text in the region will be yanked. If the region isn't active,
5596 the entire article will be yanked."
5598 (let ((article (cdr gnus-article-current))
5600 (if (not (gnus-region-active-p))
5601 (with-current-buffer gnus-summary-buffer
5602 (gnus-summary-reply (list (list article)) wide))
5603 (setq contents (buffer-substring (point) (mark t)))
5604 ;; Deactivate active regions.
5605 (when (and (boundp 'transient-mark-mode)
5606 transient-mark-mode)
5607 (setq mark-active nil))
5608 (with-current-buffer gnus-summary-buffer
5610 (list (list article contents)) wide)))))
5612 (defun gnus-article-followup-with-original ()
5613 "Compose a followup to the current article.
5614 The text in the region will be yanked. If the region isn't active,
5615 the entire article will be yanked."
5617 (let ((article (cdr gnus-article-current))
5619 (if (not (gnus-region-active-p))
5620 (with-current-buffer gnus-summary-buffer
5621 (gnus-summary-followup (list (list article))))
5622 (setq contents (buffer-substring (point) (mark t)))
5623 ;; Deactivate active regions.
5624 (when (and (boundp 'transient-mark-mode)
5625 transient-mark-mode)
5626 (setq mark-active nil))
5627 (with-current-buffer gnus-summary-buffer
5628 (gnus-summary-followup
5629 (list (list article contents)))))))
5631 (defun gnus-article-hide (&optional arg force)
5632 "Hide all the gruft in the current article.
5633 This means that signatures, cited text and (some) headers will be
5635 If given a prefix, show the hidden text instead."
5636 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5637 (gnus-article-hide-headers arg)
5638 (gnus-article-hide-list-identifiers arg)
5639 (gnus-article-hide-citation-maybe arg force)
5640 (gnus-article-hide-signature arg))
5642 (defun gnus-article-maybe-highlight ()
5643 "Do some article highlighting if article highlighting is requested."
5644 (when (gnus-visual-p 'article-highlight 'highlight)
5645 (gnus-article-highlight-some)))
5647 (defun gnus-check-group-server ()
5648 ;; Make sure the connection to the server is alive.
5649 (unless (gnus-server-opened
5650 (gnus-find-method-for-group gnus-newsgroup-name))
5651 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5652 (gnus-request-group gnus-newsgroup-name t)))
5655 (autoload 'nneething-get-file-name "nneething"))
5657 (defun gnus-request-article-this-buffer (article group)
5658 "Get an article and insert it into this buffer."
5659 (let (do-update-line sparse-header)
5663 (gnus-kill-all-overlays)
5664 (setq group (or group gnus-newsgroup-name))
5666 ;; Using `gnus-request-article' directly will insert the article into
5667 ;; `nntp-server-buffer' - so we'll save some time by not having to
5668 ;; copy it from the server buffer into the article buffer.
5670 ;; We only request an article by message-id when we do not have the
5671 ;; headers for it, so we'll have to get those.
5672 (when (stringp article)
5673 (gnus-read-header article))
5675 ;; If the article number is negative, that means that this article
5676 ;; doesn't belong in this newsgroup (possibly), so we find its
5677 ;; message-id and request it by id instead of number.
5678 (when (and (numberp article)
5680 (get-buffer gnus-summary-buffer)
5681 (gnus-buffer-exists-p gnus-summary-buffer))
5683 (set-buffer gnus-summary-buffer)
5684 (let ((header (gnus-summary-article-header article)))
5687 ((memq article gnus-newsgroup-sparse)
5688 ;; This is a sparse gap article.
5689 (setq do-update-line article)
5690 (setq article (mail-header-id header))
5691 (setq sparse-header (gnus-read-header article))
5692 (setq gnus-newsgroup-sparse
5693 (delq article gnus-newsgroup-sparse)))
5695 ;; It's a real article.
5696 (setq article (mail-header-id header)))
5698 ;; It is an extracted pseudo-article.
5699 (setq article 'pseudo)
5700 (gnus-request-pseudo-article header))))
5702 (let ((method (gnus-find-method-for-group
5703 gnus-newsgroup-name)))
5704 (when (and (eq (car method) 'nneething)
5706 (let ((dir (nneething-get-file-name
5707 (mail-header-id header))))
5708 (when (and (stringp dir)
5709 (file-directory-p dir))
5710 (setq article 'nneething)
5711 (gnus-group-enter-directory dir))))))))
5714 ;; Refuse to select canceled articles.
5715 ((and (numberp article)
5717 (get-buffer gnus-summary-buffer)
5718 (gnus-buffer-exists-p gnus-summary-buffer)
5719 (eq (cdr (with-current-buffer gnus-summary-buffer
5720 (assq article gnus-newsgroup-reads)))
5721 gnus-canceled-mark))
5723 ;; We first check `gnus-original-article-buffer'.
5724 ((and (get-buffer gnus-original-article-buffer)
5726 (with-current-buffer gnus-original-article-buffer
5727 (and (equal (car gnus-original-article) group)
5728 (eq (cdr gnus-original-article) article))))
5729 (insert-buffer-substring gnus-original-article-buffer)
5731 ;; Check the backlog.
5732 ((and gnus-keep-backlog
5733 (gnus-backlog-request-article group article (current-buffer)))
5735 ;; Check asynchronous pre-fetch.
5736 ((gnus-async-request-fetched-article group article (current-buffer))
5737 (gnus-async-prefetch-next group article gnus-summary-buffer)
5738 (when (and (numberp article) gnus-keep-backlog)
5739 (gnus-backlog-enter-article group article (current-buffer)))
5742 ((and gnus-use-cache
5744 (gnus-cache-request-article article group))
5746 ;; Check the agent cache.
5747 ((gnus-agent-request-article article group)
5749 ;; Get the article and put into the article buffer.
5750 ((or (stringp article)
5752 (let ((gnus-override-method gnus-override-method)
5753 (methods (and (stringp article)
5754 gnus-refer-article-method))
5755 (backend (car (gnus-find-method-for-group
5756 gnus-newsgroup-name)))
5758 (inhibit-read-only t))
5759 (if (or (not (listp methods))
5760 (and (symbolp (car methods))
5761 (assq (car methods) nnoo-definition-alist)))
5762 (setq methods (list methods)))
5763 (when (and (null gnus-override-method)
5765 (setq gnus-override-method (pop methods)))
5767 (when (eq gnus-override-method 'current)
5768 (setq gnus-override-method
5769 (with-current-buffer gnus-summary-buffer
5770 gnus-current-select-method)))
5772 (gnus-kill-all-overlays)
5773 (let ((gnus-newsgroup-name group))
5774 (gnus-check-group-server))
5776 ((gnus-request-article article group (current-buffer))
5777 (when (numberp article)
5778 (gnus-async-prefetch-next group article
5779 gnus-summary-buffer)
5780 (when gnus-keep-backlog
5781 (gnus-backlog-enter-article
5782 group article (current-buffer))))
5783 (setq result 'article))
5785 (setq gnus-override-method (pop methods)))
5786 ((not (string-match "^400 "
5787 (nnheader-get-report backend)))
5788 ;; If we get 400 server disconnect, reconnect and
5789 ;; retry; otherwise, assume the article has expired.
5790 (setq result 'done))))
5791 (and (eq result 'article) 'article)))
5795 ;; Associate this article with the current summary buffer.
5796 (setq gnus-article-current-summary gnus-summary-buffer)
5798 ;; Take the article from the original article buffer
5799 ;; and place it in the buffer it's supposed to be in.
5800 (when (and (get-buffer gnus-article-buffer)
5801 (equal (buffer-name (current-buffer))
5802 (buffer-name (get-buffer gnus-article-buffer))))
5804 (if (get-buffer gnus-original-article-buffer)
5805 (set-buffer gnus-original-article-buffer)
5806 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5807 (buffer-disable-undo)
5808 (setq major-mode 'gnus-original-article-mode)
5809 (setq buffer-read-only t))
5810 (let ((inhibit-read-only t))
5812 (insert-buffer-substring gnus-article-buffer))
5813 (setq gnus-original-article (cons group article)))
5816 (run-hooks 'gnus-article-decode-hook)
5817 ;; Mark article as decoded or not.
5818 (setq gnus-article-decoded-p gnus-article-decode-hook))
5820 ;; Update sparse articles.
5821 (when (and do-update-line
5822 (or (numberp article)
5824 (let ((buf (current-buffer)))
5825 (set-buffer gnus-summary-buffer)
5826 (gnus-summary-update-article do-update-line sparse-header)
5827 (gnus-summary-goto-subject do-update-line nil t)
5828 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5830 (set-buffer buf))))))
5836 (defcustom gnus-article-edit-mode-hook nil
5837 "Hook run in article edit mode buffers."
5838 :group 'gnus-article-various
5841 (defvar gnus-article-edit-done-function nil)
5843 (defvar gnus-article-edit-mode-map nil)
5845 ;; Should we be using derived.el for this?
5846 (unless gnus-article-edit-mode-map
5847 (setq gnus-article-edit-mode-map (make-keymap))
5848 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5850 (gnus-define-keys gnus-article-edit-mode-map
5851 "\C-c?" describe-mode
5852 "\C-c\C-c" gnus-article-edit-done
5853 "\C-c\C-k" gnus-article-edit-exit
5854 "\C-c\C-f\C-t" message-goto-to
5855 "\C-c\C-f\C-o" message-goto-from
5856 "\C-c\C-f\C-b" message-goto-bcc
5857 ;;"\C-c\C-f\C-w" message-goto-fcc
5858 "\C-c\C-f\C-c" message-goto-cc
5859 "\C-c\C-f\C-s" message-goto-subject
5860 "\C-c\C-f\C-r" message-goto-reply-to
5861 "\C-c\C-f\C-n" message-goto-newsgroups
5862 "\C-c\C-f\C-d" message-goto-distribution
5863 "\C-c\C-f\C-f" message-goto-followup-to
5864 "\C-c\C-f\C-m" message-goto-mail-followup-to
5865 "\C-c\C-f\C-k" message-goto-keywords
5866 "\C-c\C-f\C-u" message-goto-summary
5867 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5868 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5869 "\C-c\C-b" message-goto-body
5870 "\C-c\C-i" message-goto-signature
5872 "\C-c\C-t" message-insert-to
5873 "\C-c\C-n" message-insert-newsgroups
5874 "\C-c\C-o" message-sort-headers
5875 "\C-c\C-e" message-elide-region
5876 "\C-c\C-v" message-delete-not-region
5877 "\C-c\C-z" message-kill-to-signature
5878 "\M-\r" message-newline-and-reformat
5879 "\C-c\C-a" mml-attach-file
5880 "\C-a" message-beginning-of-line
5882 "\M-;" comment-region)
5884 (gnus-define-keys (gnus-article-edit-wash-map
5885 "\C-c\C-w" gnus-article-edit-mode-map)
5886 "f" gnus-article-edit-full-stops))
5889 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5891 ["Fetch To" message-insert-to t]
5892 ["Fetch Newsgroups" message-insert-newsgroups t]
5894 ["To" message-goto-to t]
5895 ["From" message-goto-from t]
5896 ["Subject" message-goto-subject t]
5897 ["Cc" message-goto-cc t]
5898 ["Reply-To" message-goto-reply-to t]
5899 ["Summary" message-goto-summary t]
5900 ["Keywords" message-goto-keywords t]
5901 ["Newsgroups" message-goto-newsgroups t]
5902 ["Followup-To" message-goto-followup-to t]
5903 ["Mail-Followup-To" message-goto-mail-followup-to t]
5904 ["Distribution" message-goto-distribution t]
5905 ["Body" message-goto-body t]
5906 ["Signature" message-goto-signature t]))
5908 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5909 "Major mode for editing articles.
5910 This is an extended text-mode.
5912 \\{gnus-article-edit-mode-map}"
5913 (make-local-variable 'gnus-article-edit-done-function)
5914 (make-local-variable 'gnus-prev-winconf)
5915 (set (make-local-variable 'font-lock-defaults)
5916 '(message-font-lock-keywords t))
5917 (set (make-local-variable 'mail-header-separator) "")
5918 (set (make-local-variable 'gnus-article-edit-mode) t)
5919 (easy-menu-add message-mode-field-menu message-mode-map)
5921 (setq buffer-read-only nil)
5922 (buffer-enable-undo)
5925 (defun gnus-article-edit (&optional force)
5926 "Edit the current article.
5927 This will have permanent effect only in mail groups.
5928 If FORCE is non-nil, allow editing of articles even in read-only
5931 (when (and (not force)
5932 (gnus-group-read-only-p))
5933 (error "The current newsgroup does not support article editing"))
5934 (gnus-article-date-original)
5935 (gnus-article-edit-article
5937 `(lambda (no-highlight)
5939 (gnus-summary-edit-article-done
5940 ,(or (mail-header-references gnus-current-headers) "")
5941 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5943 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
5944 "Start editing the contents of the current article buffer."
5945 (let ((winconf (current-window-configuration)))
5946 (set-buffer gnus-article-buffer)
5947 (let ((message-auto-save-directory
5948 ;; Don't associate the article buffer with a draft file.
5950 (gnus-article-edit-mode))
5951 (funcall start-func)
5952 (set-buffer-modified-p nil)
5953 (gnus-configure-windows 'edit-article)
5954 (setq gnus-article-edit-done-function exit-func)
5955 (setq gnus-prev-winconf winconf)
5957 (gnus-message 6 "C-c C-c to end edits"))))
5959 (defun gnus-article-edit-done (&optional arg)
5960 "Update the article edits and exit."
5962 (let ((func gnus-article-edit-done-function)
5963 (buf (current-buffer))
5964 (start (window-start))
5966 (winconf gnus-prev-winconf))
5967 (widen) ;; Widen it in case that users narrowed the buffer.
5970 ;; The cache and backlog have to be flushed somewhat.
5971 (when gnus-keep-backlog
5972 (gnus-backlog-remove-article
5973 (car gnus-article-current) (cdr gnus-article-current)))
5974 ;; Flush original article as well.
5976 (when (get-buffer gnus-original-article-buffer)
5977 (set-buffer gnus-original-article-buffer)
5978 (setq gnus-original-article nil)))
5979 (when gnus-use-cache
5980 (gnus-cache-update-article
5981 (car gnus-article-current) (cdr gnus-article-current)))
5982 ;; We remove all text props from the article buffer.
5983 (kill-all-local-variables)
5984 (set-text-properties (point-min) (point-max) nil)
5986 (set-window-configuration winconf)
5988 (set-window-start (get-buffer-window buf) start)
5989 (set-window-point (get-buffer-window buf) (point)))
5990 (gnus-summary-show-article))
5992 (defun gnus-article-edit-exit ()
5993 "Exit the article editing without updating."
5995 (when (or (not (buffer-modified-p))
5996 (yes-or-no-p "Article modified; kill anyway? "))
5997 (let ((curbuf (current-buffer))
5999 (window-start (window-start)))
6001 (if (gnus-buffer-live-p gnus-original-article-buffer)
6002 (insert-buffer-substring gnus-original-article-buffer))
6003 (let ((winconf gnus-prev-winconf))
6004 (kill-all-local-variables)
6006 (set-window-configuration winconf)
6007 ;; Tippy-toe some to make sure that point remains where it was.
6008 (save-current-buffer
6010 (set-window-start (get-buffer-window (current-buffer)) window-start)
6012 (gnus-summary-show-article)))
6014 (defun gnus-article-edit-full-stops ()
6015 "Interactively repair spacing at end of sentences."
6018 (goto-char (point-min))
6019 (search-forward-regexp "^$" nil t)
6020 (let ((case-fold-search nil))
6021 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6024 ;;; Article highlights
6027 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6029 ;;; Internal Variables:
6031 (defcustom gnus-button-url-regexp
6032 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6033 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6034 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6035 "Regular expression that matches URLs."
6036 :group 'gnus-article-buttons
6039 (defcustom gnus-button-valid-fqdn-regexp
6040 message-valid-fqdn-regexp
6041 "Regular expression that matches a valid FQDN."
6043 :group 'gnus-article-buttons
6046 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6047 (defcustom gnus-button-valid-localpart-regexp
6048 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*"
6049 "Regular expression that matches a localpart of mail addresses or MIDs."
6051 :group 'gnus-article-buttons
6054 (defcustom gnus-button-man-handler 'manual-entry
6055 "Function to use for displaying man pages.
6056 The function must take at least one argument with a string naming the
6059 :type '(choice (function-item :tag "Man" manual-entry)
6060 (function-item :tag "Woman" woman)
6061 (function :tag "Other"))
6062 :group 'gnus-article-buttons)
6064 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6065 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6066 If the default site is too slow, try to find a CTAN mirror, see
6067 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6068 the variable `gnus-button-handle-ctan'."
6070 :group 'gnus-article-buttons
6071 :link '(custom-manual "(gnus)Group Parameters")
6072 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6073 (const "http://tug.ctan.org/tex-archive/")
6074 (const "http://www.dante.de/CTAN/")
6075 (string :tag "Other")))
6077 (defcustom gnus-button-ctan-handler 'browse-url
6078 "Function to use for displaying CTAN links.
6079 The function must take one argument, the string naming the URL."
6081 :type '(choice (function-item :tag "Browse Url" browse-url)
6082 (function :tag "Other"))
6083 :group 'gnus-article-buttons)
6085 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6086 "Bogus strings removed from CTAN URLs."
6088 :group 'gnus-article-buttons
6089 :type '(choice (const "^/?tex-archive/\\|/")
6090 (regexp :tag "Other")))
6092 (defcustom gnus-button-ctan-directory-regexp
6094 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6095 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6096 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6097 "tds" "tools" "usergrps" "web") t)
6098 "Regular expression for ctan directories.
6099 It should match all directories in the top level of `gnus-ctan-url'."
6101 :group 'gnus-article-buttons
6104 (defcustom gnus-button-mid-or-mail-regexp
6105 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6106 gnus-button-valid-fqdn-regexp
6108 "Regular expression that matches a message ID or a mail address."
6110 :group 'gnus-article-buttons
6113 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6114 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6115 Strings like this can be either a message ID or a mail address. If it is one
6116 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6117 message ID or a mail address, respectively. If this variable is set to the
6118 symbol `ask', always query the user what do do. If it is a function, this
6119 function will be called with the string as it's only argument. The function
6120 must return `mid', `mail', `invalid' or `ask'."
6122 :group 'gnus-article-buttons
6123 :type '(choice (function-item :tag "Heuristic function"
6124 gnus-button-mid-or-mail-heuristic)
6129 (defcustom gnus-button-mid-or-mail-heuristic-alist
6130 '((-10.0 . ".+\\$.+@")
6133 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6134 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6135 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6136 (-1.0 . "^[^a-z]+@")
6138 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6139 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6140 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6141 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6144 (-1.0 . "^[0-9][0-9]")
6146 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6147 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6148 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6149 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6151 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6152 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6155 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6157 ;; compensation for TDMA dated mail addresses:
6158 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6160 (-20.0 . "\\.fsf@") ;; Gnus
6163 (-20.0 . "_-_") ;; Subject change in thread
6165 (-20.0 . "\\.ln@") ;; leafnode
6166 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6167 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6169 ;; (5.0 . "") ;; $local_part_len <= 7
6170 (10.0 . "^[^0-9]+@")
6171 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6172 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6175 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6177 (0.5 . "^[A-Z][a-z]")
6178 (0.5 . "^[A-Z][a-z][a-z]")
6179 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6180 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6181 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6183 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6184 address. The REGEXP is processed with `case-fold-search' set to nil."
6186 :group 'gnus-article-buttons
6187 :type '(repeat (cons (number :tag "Rate")
6188 (regexp :tag "Regexp"))))
6190 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6191 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6192 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6193 address, `ask' if unsure and `invalid' if the string is invalid."
6194 (let ((case-fold-search nil)
6195 (list gnus-button-mid-or-mail-heuristic-alist)
6196 (result 0) rate regexp lpartlen elem)
6198 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6199 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6200 ;; Certain special cases...
6203 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6204 "^[0-9]+\\.[0-9]+@compuserve\\|"
6205 "@public\\.gmane\\.org")
6207 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6208 (setq result 'mail))
6209 (when (string-match "@.*@\\| " mid-or-mail)
6210 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6211 (setq result 'invalid))
6212 ;; Nothing more to do, if result is not a number here...
6213 (when (numberp result)
6215 (setq elem (car list)
6219 (when (string-match regexp mid-or-mail)
6220 (setq result (+ result rate))
6222 9 "`%s' matched `%s', rate `%s', result `%s'."
6223 mid-or-mail regexp rate result)))
6224 (when (<= lpartlen 7)
6225 (setq result (+ result 5.0))
6226 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6227 mid-or-mail result))
6228 (when (>= lpartlen 12)
6229 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6231 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6232 ;; Long local part should contain realname if e-mail address,
6233 ;; too many digits: message-id.
6234 ;; $score -= 5.0 + 0.1 * $local_part_len;
6235 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6236 (setq result (+ result rate))
6238 9 "Many digits in `%s', rate `%s', result `%s'."
6239 mid-or-mail rate result))
6240 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6242 ;; Too few vowels [^aeiouy]{4,}.*\@
6243 (setq result (+ result -5.0))
6245 9 "Few vowels in `%s', rate `%s', result `%s'."
6246 mid-or-mail -5.0 result))
6248 (setq result (+ result 5.0))
6250 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6251 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6252 ;; Maybe we should make this a customizable alist: (condition . 'result)
6254 ((symbolp result) result)
6255 ;; Now convert number into proper results:
6256 ((< result -10.0) 'mid)
6257 ((> result 10.0) 'mail)
6260 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6261 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6262 (url-mid (concat "news" ":" mid-or-mail))
6263 (url-mailto (concat "mailto" ":" mid-or-mail)))
6264 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6265 (when (fboundp pref)
6267 ;; get rid of surrounding angles...
6269 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6270 (if (or (eq 'mid guessed) (eq 'mail guessed))
6274 (save-window-excursion
6275 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6278 (cond ((eq pref 'mid)
6279 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6280 (gnus-button-handle-news url-mid))
6282 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6283 (gnus-url-mailto url-mailto))
6284 (t (gnus-message 3 "Invalid string.")))))
6286 (defun gnus-button-handle-custom (url)
6287 "Follow a Custom URL."
6288 (customize-apropos (gnus-url-unhex-string url)))
6290 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6292 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6295 (defun gnus-button-handle-describe-function (url)
6296 "Call `describe-function' when pushing the corresponding URL button."
6299 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6301 (defun gnus-button-handle-describe-variable (url)
6302 "Call `describe-variable' when pushing the corresponding URL button."
6305 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6307 (defun gnus-button-handle-symbol (url)
6308 "Display help on variable or function.
6309 Calls `describe-variable' or `describe-function'."
6310 (let ((sym (intern url)))
6312 ((fboundp sym) (describe-function sym))
6313 ((boundp sym) (describe-variable sym))
6314 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6316 (defun gnus-button-handle-describe-key (url)
6317 "Call `describe-key' when pushing the corresponding URL button."
6319 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6320 (keys (ignore-errors (eval `(kbd ,key-string)))))
6323 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6325 (defun gnus-button-handle-apropos (url)
6326 "Call `apropos' when pushing the corresponding URL button."
6327 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6329 (defun gnus-button-handle-apropos-command (url)
6330 "Call `apropos' when pushing the corresponding URL button."
6332 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6334 (defun gnus-button-handle-apropos-variable (url)
6335 "Call `apropos' when pushing the corresponding URL button."
6337 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6338 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6340 (defun gnus-button-handle-apropos-documentation (url)
6341 "Call `apropos' when pushing the corresponding URL button."
6343 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6344 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6346 (defun gnus-button-handle-library (url)
6347 "Call `locate-library' when pushing the corresponding URL button."
6348 (gnus-message 9 "url=`%s'" url)
6349 (let* ((lib (locate-library url))
6350 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6352 (gnus-message 1 "Cannot locale library `%s'." url)
6353 (find-file-read-only file))))
6355 (defun gnus-button-handle-ctan (url)
6356 "Call `browse-url' when pushing a CTAN URL button."
6358 gnus-button-ctan-handler
6361 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6363 (defcustom gnus-button-tex-level 5
6364 "*Integer that says how many TeX-related buttons Gnus will show.
6365 The higher the number, the more buttons will appear and the more false
6366 positives are possible. Note that you can set this variable local to
6367 specific groups. Setting it higher in TeX groups is probably a good idea.
6368 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6369 how to set variables in specific groups."
6371 :group 'gnus-article-buttons
6372 :link '(custom-manual "(gnus)Group Parameters")
6375 (defcustom gnus-button-man-level 5
6376 "*Integer that says how many man-related buttons Gnus will show.
6377 The higher the number, the more buttons will appear and the more false
6378 positives are possible. Note that you can set this variable local to
6379 specific groups. Setting it higher in Unix groups is probably a good idea.
6380 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6381 how to set variables in specific groups."
6383 :group 'gnus-article-buttons
6384 :link '(custom-manual "(gnus)Group Parameters")
6387 (defcustom gnus-button-emacs-level 5
6388 "*Integer that says how many emacs-related buttons Gnus will show.
6389 The higher the number, the more buttons will appear and the more false
6390 positives are possible. Note that you can set this variable local to
6391 specific groups. Setting it higher in Emacs or Gnus related groups is
6392 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6393 `gnus-parameters' on how to set variables in specific groups."
6395 :group 'gnus-article-buttons
6396 :link '(custom-manual "(gnus)Group Parameters")
6399 (defcustom gnus-button-message-level 5
6400 "*Integer that says how many buttons for news or mail messages will appear.
6401 The higher the number, the more buttons will appear and the more false
6402 positives are possible."
6403 ;; mail addresses, MIDs, URLs for news, ...
6405 :group 'gnus-article-buttons
6408 (defcustom gnus-button-browse-level 5
6409 "*Integer that says how many buttons for browsing will appear.
6410 The higher the number, the more buttons will appear and the more false
6411 positives are possible."
6412 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6414 :group 'gnus-article-buttons
6417 (defcustom gnus-button-alist
6418 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6419 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6420 ((concat "\\b\\(nntp\\|news\\):\\("
6421 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6422 0 t gnus-button-handle-news 2)
6423 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6424 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6425 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6426 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6427 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6428 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6429 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6430 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6431 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6432 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6433 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6434 ;; RFC 2368 (The mailto URL scheme)
6435 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6436 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6437 ("\\bmailto:\\([^ \n\t]+\\)"
6438 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6440 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6441 gnus-button-ctan-directory-regexp
6442 "[^][>)!;:,'\n\t ]+\\)")
6443 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6444 ((concat "\\btex-archive/\\("
6445 gnus-button-ctan-directory-regexp
6446 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6447 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6450 gnus-button-ctan-directory-regexp
6451 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6452 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6453 ;; This is info (home-grown style) <info://foo/bar+baz>
6454 ("\\binfo://\\([^'\">\n\t ]+\\)"
6455 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6456 ;; Info GNOME style <info:foo#bar_baz>
6457 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6458 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6459 ;; Info KDE style <info:(foo)bar baz>
6460 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6461 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6462 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6463 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6464 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6465 ;; Info links like `C-h i d m CC Mode RET'
6466 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6468 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6469 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6470 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6471 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6472 ;; Emacs help commands
6473 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6474 ;; regexp doesn't match arguments containing ` '.
6475 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6476 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6477 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6478 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6479 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6480 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6481 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6482 ;; The following entries may lead to many false positives so don't enable
6483 ;; them by default (use a high button level).
6484 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6485 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6486 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6487 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6488 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6489 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6490 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6491 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6492 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6493 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6494 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6495 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6496 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6497 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6498 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6499 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6500 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6501 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6502 ;; Unlike the other regexps we really have to require quoting
6503 ;; here to determine where it ends.
6504 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6505 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6506 ("<URL: *\\([^<>]*\\)>"
6507 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6508 ;; RFC 2396 (2.4.3., delims) ...
6509 ("\"URL: *\\([^\"]*\\)\""
6510 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6511 ;; RFC 2396 (2.4.3., delims) ...
6512 ("\"URL: *\\([^\"]*\\)\""
6513 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6515 (gnus-button-url-regexp
6516 0 (>= gnus-button-browse-level 0) browse-url 0)
6518 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6519 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6520 gnus-button-handle-man 1)
6521 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6522 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6523 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6524 gnus-button-handle-man 1)
6525 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6526 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6527 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6528 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6529 ;; MID or mail: To avoid too many false positives we don't try to catch
6530 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6531 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6532 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6533 ;; so that non-ambiguous entries (see above) match first.
6534 (gnus-button-mid-or-mail-regexp
6535 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6536 "*Alist of regexps matching buttons in article bodies.
6538 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6539 REGEXP: is the string (case insensitive) matching text around the button (can
6540 also be Lisp expression evaluating to a string),
6541 BUTTON: is the number of the regexp grouping actually matching the button,
6542 FORM: is a Lisp expression which must eval to true for the button to
6544 CALLBACK: is the function to call when the user push this button, and each
6545 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6547 CALLBACK can also be a variable, in that case the value of that
6548 variable it the real callback function."
6549 :group 'gnus-article-buttons
6550 :type '(repeat (list (choice regexp variable sexp)
6551 (integer :tag "Button")
6553 (function :tag "Callback")
6556 (integer :tag "Regexp group")))))
6558 (defcustom gnus-header-button-alist
6559 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6560 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6561 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6562 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6563 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6564 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6565 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6566 0 (>= gnus-button-browse-level 0) browse-url 0)
6567 ("^Subject:" gnus-button-url-regexp
6568 0 (>= gnus-button-browse-level 0) browse-url 0)
6569 ("^[^:]+:" gnus-button-url-regexp
6570 0 (>= gnus-button-browse-level 0) browse-url 0)
6571 ("^OpenPGP:.*url=" gnus-button-url-regexp
6572 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
6573 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6574 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6575 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6576 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6577 "*Alist of headers and regexps to match buttons in article heads.
6579 This alist is very similar to `gnus-button-alist', except that each
6580 alist has an additional HEADER element first in each entry:
6582 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6584 HEADER is a regexp to match a header. For a fuller explanation, see
6585 `gnus-button-alist'."
6586 :group 'gnus-article-buttons
6587 :group 'gnus-article-headers
6588 :type '(repeat (list (regexp :tag "Header")
6589 (choice regexp variable)
6590 (integer :tag "Button")
6592 (function :tag "Callback")
6595 (integer :tag "Regexp group")))))
6599 (defun gnus-article-push-button (event)
6600 "Check text under the mouse pointer for a callback function.
6601 If the text under the mouse pointer has a `gnus-callback' property,
6602 call it with the value of the `gnus-data' text property."
6604 (set-buffer (window-buffer (posn-window (event-start event))))
6605 (let* ((pos (posn-point (event-start event)))
6606 (data (get-text-property pos 'gnus-data))
6607 (fun (get-text-property pos 'gnus-callback)))
6610 (funcall fun data))))
6612 (defun gnus-article-press-button ()
6613 "Check text at point for a callback function.
6614 If the text at point has a `gnus-callback' property,
6615 call it with the value of the `gnus-data' text property."
6617 (let ((data (get-text-property (point) 'gnus-data))
6618 (fun (get-text-property (point) 'gnus-callback)))
6620 (funcall fun data))))
6622 (defun gnus-article-highlight (&optional force)
6623 "Highlight current article.
6624 This function calls `gnus-article-highlight-headers',
6625 `gnus-article-highlight-citation',
6626 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6627 do the highlighting. See the documentation for those functions."
6628 (interactive (list 'force))
6629 (gnus-article-highlight-headers)
6630 (gnus-article-highlight-citation force)
6631 (gnus-article-highlight-signature)
6632 (gnus-article-add-buttons force)
6633 (gnus-article-add-buttons-to-head))
6635 (defun gnus-article-highlight-some (&optional force)
6636 "Highlight current article.
6637 This function calls `gnus-article-highlight-headers',
6638 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6639 do the highlighting. See the documentation for those functions."
6640 (interactive (list 'force))
6641 (gnus-article-highlight-headers)
6642 (gnus-article-highlight-signature)
6643 (gnus-article-add-buttons))
6645 (defun gnus-article-highlight-headers ()
6646 "Highlight article headers as specified by `gnus-header-face-alist'."
6648 (gnus-with-article-headers
6649 (let (regexp header-face field-face from hpoints fpoints)
6650 (dolist (entry gnus-header-face-alist)
6651 (goto-char (point-min))
6652 (setq regexp (concat "^\\("
6653 (if (string-equal "" (nth 0 entry))
6657 header-face (nth 1 entry)
6658 field-face (nth 2 entry))
6659 (while (and (re-search-forward regexp nil t)
6663 (unless (search-forward ":" nil t)
6665 (when (and header-face
6666 (not (memq (point) hpoints)))
6667 (push (point) hpoints)
6668 (gnus-put-text-property from (point) 'face header-face))
6669 (when (and field-face
6670 (not (memq (setq from (point)) fpoints)))
6672 (if (re-search-forward "^[^ \t]" nil t)
6674 (goto-char (point-max)))
6675 (gnus-put-text-property from (point) 'face field-face)))))))
6677 (defun gnus-article-highlight-signature ()
6678 "Highlight the signature in an article.
6679 It does this by highlighting everything after
6680 `gnus-signature-separator' using the face `gnus-signature'."
6682 (gnus-with-article-buffer
6683 (let ((inhibit-point-motion-hooks t))
6685 (when (and gnus-signature-face
6686 (gnus-article-narrow-to-signature))
6687 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6688 'face gnus-signature-face)
6690 (gnus-article-search-signature)
6691 (let ((start (match-beginning 0))
6692 (end (set-marker (make-marker) (1+ (match-end 0)))))
6693 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6696 (defun gnus-button-in-region-p (b e prop)
6697 "Say whether PROP exists in the region."
6698 (text-property-not-all b e prop nil))
6700 (defun gnus-article-add-buttons (&optional force)
6701 "Find external references in the article and make buttons of them.
6702 \"External references\" are things like Message-IDs and URLs, as
6703 specified by `gnus-button-alist'."
6704 (interactive (list 'force))
6705 (gnus-with-article-buffer
6706 (let ((inhibit-point-motion-hooks t)
6707 (case-fold-search t)
6708 (alist gnus-button-alist)
6710 ;; Remove all old markers.
6711 (let (marker entry new-list)
6712 (while (setq marker (pop gnus-button-marker-list))
6713 (if (or (< marker (point-min)) (>= marker (point-max)))
6714 (push marker new-list)
6716 (when (setq entry (gnus-button-entry))
6717 (put-text-property (match-beginning (nth 1 entry))
6718 (match-end (nth 1 entry))
6719 'gnus-callback nil))
6720 (set-marker marker nil)))
6721 (setq gnus-button-marker-list new-list))
6722 ;; We skip the headers.
6725 (while (setq entry (pop alist))
6726 (setq regexp (eval (car entry)))
6728 (while (re-search-forward regexp nil t)
6729 (let* ((start (and entry (match-beginning (nth 1 entry))))
6730 (end (and entry (match-end (nth 1 entry))))
6731 (from (match-beginning 0)))
6732 (when (and (or (eq t (nth 2 entry))
6733 (eval (nth 2 entry)))
6734 (not (gnus-button-in-region-p
6735 start end 'gnus-callback)))
6736 ;; That optional form returned non-nil, so we add the
6738 (gnus-article-add-button
6739 start end 'gnus-button-push
6740 (car (push (set-marker (make-marker) from)
6741 gnus-button-marker-list))))))))))
6743 ;; Add buttons to the head of an article.
6744 (defun gnus-article-add-buttons-to-head ()
6745 "Add buttons to the head of the article."
6747 (gnus-with-article-headers
6749 (dolist (entry gnus-header-button-alist)
6750 ;; Each alist entry.
6751 (goto-char (point-min))
6752 (while (re-search-forward (car entry) nil t)
6753 ;; Each header matching the entry.
6754 (setq beg (match-beginning 0))
6755 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6756 (match-beginning 0))
6759 (while (re-search-forward (eval (nth 1 entry)) end t)
6760 ;; Each match within a header.
6761 (let* ((entry (cdr entry))
6762 (start (match-beginning (nth 1 entry)))
6763 (end (match-end (nth 1 entry)))
6764 (form (nth 2 entry)))
6765 (goto-char (match-end 0))
6767 (gnus-article-add-button
6768 start end (nth 3 entry)
6769 (buffer-substring (match-beginning (nth 4 entry))
6770 (match-end (nth 4 entry)))))))
6771 (goto-char end))))))
6773 ;;; External functions:
6775 (defun gnus-article-add-button (from to fun &optional data)
6776 "Create a button between FROM and TO with callback FUN and data DATA."
6777 (when gnus-article-button-face
6778 (gnus-overlay-put (gnus-make-overlay from to)
6779 'face gnus-article-button-face))
6780 (gnus-add-text-properties
6782 (nconc (and gnus-article-mouse-face
6783 (list gnus-mouse-face-prop gnus-article-mouse-face))
6784 (list 'gnus-callback fun)
6785 (and data (list 'gnus-data data))))
6786 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6787 :button-keymap gnus-widget-button-keymap))
6789 ;;; Internal functions:
6791 (defun gnus-article-set-globals ()
6792 (with-current-buffer gnus-summary-buffer
6793 (gnus-set-global-variables)))
6795 (defun gnus-signature-toggle (end)
6796 (gnus-with-article-buffer
6797 (let ((inhibit-point-motion-hooks t))
6798 (if (text-property-any end (point-max) 'article-type 'signature)
6800 (gnus-delete-wash-type 'signature)
6801 (gnus-remove-text-properties-when
6802 'article-type 'signature end (point-max)
6803 (cons 'article-type (cons 'signature
6804 gnus-hidden-properties))))
6805 (gnus-add-wash-type 'signature)
6806 (gnus-add-text-properties-when
6807 'article-type nil end (point-max)
6808 (cons 'article-type (cons 'signature
6809 gnus-hidden-properties)))))
6810 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6811 (gnus-set-mode-line 'article))))
6813 (defun gnus-button-entry ()
6814 ;; Return the first entry in `gnus-button-alist' matching this place.
6815 (let ((alist gnus-button-alist)
6818 (setq entry (pop alist))
6819 (if (looking-at (eval (car entry)))
6824 (defun gnus-button-push (marker)
6825 ;; Push button starting at MARKER.
6828 (let* ((entry (gnus-button-entry))
6829 (inhibit-point-motion-hooks t)
6831 (args (mapcar (lambda (group)
6832 (let ((string (match-string group)))
6833 (set-text-properties
6834 0 (length string) nil string)
6841 (fboundp (symbol-value fun)))
6842 (apply (symbol-value fun) args))
6844 (gnus-message 1 "You must define `%S' to use this button"
6845 (cons fun args)))))))
6847 (defun gnus-parse-news-url (url)
6848 (let (scheme server port group message-id articles)
6851 (goto-char (point-min))
6852 (when (looking-at "\\([A-Za-z]+\\):")
6853 (setq scheme (match-string 1))
6854 (goto-char (match-end 0)))
6855 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
6856 (setq server (match-string 1))
6857 (setq port (if (stringp (match-string 3))
6858 (string-to-number (match-string 3))
6860 (goto-char (match-end 0)))
6863 ((looking-at "\\(.*@.*\\)")
6864 (setq message-id (match-string 1)))
6865 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6866 (setq group (match-string 1)
6867 articles (split-string (match-string 2) "-")))
6868 ((looking-at "\\([^/]+\\)/?")
6869 (setq group (match-string 1)))
6871 (error "Unknown news URL syntax"))))
6872 (list scheme server port group message-id articles)))
6874 (defun gnus-button-handle-news (url)
6876 (destructuring-bind (scheme server port group message-id articles)
6877 (gnus-parse-news-url url)
6881 (set-buffer gnus-summary-buffer)
6883 (let ((gnus-refer-article-method
6884 (nconc (list (list 'nntp server))
6885 gnus-refer-article-method))
6886 (nntp-port-number (or port "nntp")))
6887 (gnus-message 7 "Fetching %s with %s"
6888 message-id gnus-refer-article-method)
6889 (gnus-summary-refer-article message-id))
6890 (gnus-summary-refer-article message-id))))
6892 (gnus-button-fetch-group url)))))
6894 (defun gnus-button-handle-man (url)
6896 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6897 (when (eq gnus-button-man-handler 'woman)
6898 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
6899 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6900 (funcall gnus-button-man-handler url))
6902 (defun gnus-button-handle-info-url (url)
6903 "Fetch an info URL."
6904 (setq url (mm-subst-char-in-string ?+ ?\ url))
6906 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6907 (gnus-info-find-node
6908 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6910 ")" (gnus-url-unhex-string (match-string 2 url)))))
6911 ((string-match "([^)\"]+)[^\"]+" url)
6913 (gnus-replace-in-string
6914 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6915 (gnus-info-find-node url))
6916 (t (error "Can't parse %s" url))))
6918 (defun gnus-button-handle-info-url-gnome (url)
6919 "Fetch GNOME style info URL."
6920 (setq url (mm-subst-char-in-string ?_ ?\ url))
6921 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
6922 (gnus-info-find-node
6924 (gnus-url-unhex-string
6925 (match-string 1 url))
6927 (or (gnus-url-unhex-string
6928 (match-string 2 url))
6930 (error "Can't parse %s" url)))
6932 (defun gnus-button-handle-info-url-kde (url)
6933 "Fetch KDE style info URL."
6934 (gnus-info-find-node (gnus-url-unhex-string url)))
6936 (defun gnus-button-handle-info-keystrokes (url)
6937 "Call `info' when pushing the corresponding URL button."
6938 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6943 (defun gnus-button-openpgp (url)
6944 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
6946 (mm-url-insert-file-contents-external url)
6947 (pgg-snarf-keys-region (point-min) (point-max))
6948 (pgg-display-output-buffer nil nil nil)))
6950 (defun gnus-button-message-id (message-id)
6952 (with-current-buffer gnus-summary-buffer
6953 (gnus-summary-refer-article message-id)))
6955 (defun gnus-button-fetch-group (address)
6956 "Fetch GROUP specified by ADDRESS."
6957 (if (not (string-match "[:/]" address))
6958 ;; This is just a simple group url.
6959 (gnus-group-read-ephemeral-group address gnus-select-method)
6962 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6964 (error "Can't parse %s" address)
6965 (gnus-group-read-ephemeral-group
6966 (match-string 4 address)
6967 `(nntp ,(match-string 1 address)
6968 (nntp-address ,(match-string 1 address))
6969 (nntp-port-number ,(if (match-end 3)
6970 (match-string 3 address)
6973 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
6975 (defun gnus-url-parse-query-string (query &optional downcase)
6976 (let (retval pairs cur key val)
6977 (setq pairs (split-string query "&"))
6979 (setq cur (car pairs)
6981 (if (not (string-match "=" cur))
6983 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6984 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6986 (setq key (downcase key)))
6987 (setq cur (assoc key retval))
6989 (setcdr cur (cons val (cdr cur)))
6990 (setq retval (cons (list key val) retval)))))
6993 (defun gnus-url-mailto (url)
6994 ;; Send mail to someone
6995 (when (string-match "mailto:/*\\(.*\\)" url)
6996 (setq url (substring url (match-beginning 1) nil)))
6997 (let (to args subject func)
6998 (setq args (gnus-url-parse-query-string
6999 (if (string-match "^\\?" url)
7001 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7002 (concat "to=" (match-string 1 url) "&"
7003 (match-string 2 url))
7004 (concat "to=" url)))
7006 subject (cdr-safe (assoc "subject" args)))
7009 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7012 (message-position-on-field (caar args)))
7013 (insert (gnus-replace-in-string
7014 (mapconcat 'identity (reverse (cdar args)) ", ")
7016 (setq args (cdr args)))
7019 (message-goto-subject))))
7021 (defun gnus-button-embedded-url (address)
7022 "Activate ADDRESS with `browse-url'."
7023 (browse-url (gnus-strip-whitespace address)))
7025 ;;; Next/prev buttons in the article buffer.
7027 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7028 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7030 (defvar gnus-prev-page-map
7031 (let ((map (make-sparse-keymap)))
7032 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7033 (define-key map "\r" 'gnus-button-prev-page)
7036 (defvar gnus-next-page-map
7037 (let ((map (make-sparse-keymap)))
7038 (unless (>= emacs-major-version 21)
7039 ;; XEmacs doesn't care.
7040 (set-keymap-parent map gnus-article-mode-map))
7041 (define-key map gnus-mouse-2 'gnus-button-next-page)
7042 (define-key map "\r" 'gnus-button-next-page)
7045 (defun gnus-insert-prev-page-button ()
7047 (inhibit-read-only t))
7049 gnus-prev-page-line-format nil
7050 `(keymap ,gnus-prev-page-map
7052 gnus-callback gnus-article-button-prev-page
7053 article-type annotation))
7054 (widget-convert-button
7056 ;; Exclude a newline.
7059 :action 'gnus-button-prev-page
7060 :button-keymap gnus-prev-page-map)))
7062 (defun gnus-button-next-page (&optional args more-args)
7063 "Go to the next page."
7065 (let ((win (selected-window)))
7066 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7067 (gnus-article-next-page)
7068 (select-window win)))
7070 (defun gnus-button-prev-page (&optional args more-args)
7071 "Go to the prev page."
7073 (let ((win (selected-window)))
7074 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7075 (gnus-article-prev-page)
7076 (select-window win)))
7078 (defun gnus-insert-next-page-button ()
7080 (inhibit-read-only t))
7081 (gnus-eval-format gnus-next-page-line-format nil
7082 `(keymap ,gnus-next-page-map
7084 gnus-callback gnus-article-button-next-page
7085 article-type annotation))
7086 (widget-convert-button
7088 ;; Exclude a newline.
7091 :action 'gnus-button-next-page
7092 :button-keymap gnus-next-page-map)))
7094 (defun gnus-article-button-next-page (arg)
7095 "Go to the next page."
7097 (let ((win (selected-window)))
7098 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7099 (gnus-article-next-page)
7100 (select-window win)))
7102 (defun gnus-article-button-prev-page (arg)
7103 "Go to the prev page."
7105 (let ((win (selected-window)))
7106 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7107 (gnus-article-prev-page)
7108 (select-window win)))
7110 (defvar gnus-decode-header-methods
7111 '(mail-decode-encoded-word-region)
7112 "List of methods used to decode headers.
7114 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7115 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7116 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7117 whose names match REGEXP.
7120 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7121 mail-decode-encoded-word-region
7122 (\"chinese\" . rfc1843-decode-region))
7125 (defvar gnus-decode-header-methods-cache nil)
7127 (defun gnus-multi-decode-header (start end)
7128 "Apply the functions from `gnus-encoded-word-methods' that match."
7129 (unless (and gnus-decode-header-methods-cache
7130 (eq gnus-newsgroup-name
7131 (car gnus-decode-header-methods-cache)))
7132 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7135 (nconc gnus-decode-header-methods-cache (list x))
7136 (if (and gnus-newsgroup-name
7137 (string-match (car x) gnus-newsgroup-name))
7138 (nconc gnus-decode-header-methods-cache
7140 gnus-decode-header-methods))
7141 (let ((xlist gnus-decode-header-methods-cache))
7144 (narrow-to-region start end)
7146 (funcall (pop xlist) (point-min) (point-max))))))
7149 ;;; Treatment top-level handling.
7152 (defun gnus-treat-article (condition &optional part-number total-parts type)
7153 (let ((length (- (point-max) (point-min)))
7154 (alist gnus-treatment-function-alist)
7155 (article-goto-body-goes-to-point-min-p t)
7159 (let ((list gnus-article-treat-types))
7161 (when (string-match (pop list) type)
7162 (throw 'found t)))))))
7163 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7165 (gnus-run-hooks 'gnus-part-display-hook)
7166 (dolist (elem alist)
7169 (when (gnus-buffer-live-p gnus-summary-buffer)
7170 (set-buffer gnus-summary-buffer))
7171 (symbol-value (car elem))))
7172 (when (and (or (consp val)
7174 (gnus-treat-predicate val)
7175 (or (not (get (car elem) 'highlight))
7178 (funcall (cadr elem)))))))
7180 ;; Dynamic variables.
7182 (defvar part-number)
7183 (defvar total-parts)
7188 (defun gnus-treat-predicate (val)
7195 (stringp (car val)))
7196 (apply 'gnus-or (mapcar `(lambda (s)
7197 (string-match s ,(or gnus-newsgroup-name "")))
7200 (let ((pred (pop val)))
7203 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7205 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7207 (not (gnus-treat-predicate (car val))))
7209 (equal (car val) type))
7211 (error "%S is not a valid predicate" pred)))))
7217 (eq part-number total-parts))
7221 (error "%S is not a valid value" val))))
7223 (defun gnus-article-encrypt-body (protocol &optional n)
7224 "Encrypt the article body."
7227 (or gnus-article-encrypt-protocol
7228 (completing-read "Encrypt protocol: "
7229 gnus-article-encrypt-protocol-alist
7231 current-prefix-arg))
7232 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7234 (error "Can't find the encrypt protocol %s" protocol))
7235 (if (member gnus-newsgroup-name '("nndraft:delayed"
7238 (error "Can't encrypt the article in group %s"
7239 gnus-newsgroup-name))
7240 (gnus-summary-iterate n
7242 (set-buffer gnus-summary-buffer)
7243 (let ((mail-parse-charset gnus-newsgroup-charset)
7244 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7245 (summary-buffer gnus-summary-buffer)
7247 (gnus-set-global-variables)
7248 (when (gnus-group-read-only-p)
7249 (error "The current newsgroup does not support article encrypt"))
7250 (gnus-summary-show-article t)
7252 (or (mail-header-references gnus-current-headers) ""))
7253 (set-buffer gnus-article-buffer)
7254 (let* ((inhibit-read-only t)
7256 (mapcar (lambda (field)
7257 (and (save-restriction
7258 (message-narrow-to-head)
7259 (goto-char (point-min))
7260 (search-forward field nil t))
7262 (message-narrow-to-field)
7264 (delete-region (point-min) (point-max))
7266 '("Content-Type:" "Content-Transfer-Encoding:"
7267 "Content-Disposition:"))))
7268 (message-narrow-to-head)
7269 (message-remove-header "MIME-Version")
7270 (goto-char (point-max))
7271 (setq point (point))
7272 (insert (apply 'concat headers))
7274 (narrow-to-region point (point-max))
7275 (let ((message-options message-options))
7276 (message-options-set 'message-sender user-mail-address)
7277 (message-options-set 'message-recipients user-mail-address)
7278 (message-options-set 'message-sign-encrypt 'not)
7280 (goto-char (point-min))
7281 (insert "MIME-Version: 1.0\n")
7283 (gnus-summary-edit-article-done
7284 references nil summary-buffer t))
7285 (when gnus-keep-backlog
7286 (gnus-backlog-remove-article
7287 (car gnus-article-current) (cdr gnus-article-current)))
7289 (when (get-buffer gnus-original-article-buffer)
7290 (set-buffer gnus-original-article-buffer)
7291 (setq gnus-original-article nil)))
7292 (when gnus-use-cache
7293 (gnus-cache-update-article
7294 (car gnus-article-current) (cdr gnus-article-current))))))))
7296 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7297 "The following specs can be used:
7298 %t The security MIME type
7301 %D Details if button is pressed")
7303 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7304 "The following specs can be used:
7305 %t The security MIME type
7308 %D Details if button is pressed")
7310 (defvar gnus-mime-security-button-line-format-alist
7311 '((?t gnus-tmp-type ?s)
7312 (?i gnus-tmp-info ?s)
7313 (?d gnus-tmp-details ?s)
7314 (?D gnus-tmp-pressed-details ?s)))
7316 (defvar gnus-mime-security-button-map
7317 (let ((map (make-sparse-keymap)))
7318 (define-key map gnus-mouse-2 'gnus-article-push-button)
7319 (define-key map "\r" 'gnus-article-press-button)
7322 (defvar gnus-mime-security-details-buffer nil)
7324 (defvar gnus-mime-security-button-pressed nil)
7326 (defvar gnus-mime-security-show-details-inline t
7327 "If non-nil, show details in the article buffer.")
7329 (defun gnus-mime-security-verify-or-decrypt (handle)
7330 (mm-remove-parts (cdr handle))
7331 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7332 point (inhibit-read-only t))
7334 (goto-char (car region)))
7336 (narrow-to-region (point) (point))
7337 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7338 (let* ((mm-verify-option 'known)
7339 (mm-decrypt-option 'known)
7340 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7341 (unless (eq nparts (cdr handle))
7342 (mm-destroy-parts (cdr handle))
7343 (setcdr handle nparts))))
7344 (setq point (point))
7345 (gnus-mime-display-security handle)
7346 (goto-char (point-max)))
7348 (delete-region (point) (cdr region))
7349 (set-marker (car region) nil)
7350 (set-marker (cdr region) nil))
7353 (defun gnus-mime-security-show-details (handle)
7354 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7356 (gnus-message 5 "No details.")
7357 (if gnus-mime-security-show-details-inline
7358 (let ((gnus-mime-security-button-pressed
7359 (not (get-text-property (point) 'gnus-mime-details)))
7360 (gnus-mime-security-button-line-format
7361 (get-text-property (point) 'gnus-line-format))
7362 (inhibit-read-only t))
7364 (while (eq (get-text-property (point) 'gnus-line-format)
7365 gnus-mime-security-button-line-format)
7369 (narrow-to-region (point) (point))
7370 (gnus-insert-mime-security-button handle))
7371 (delete-region (point)
7372 (or (text-property-not-all
7375 gnus-mime-security-button-line-format)
7378 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7379 (with-current-buffer gnus-mime-security-details-buffer
7382 (setq gnus-mime-security-details-buffer
7383 (gnus-get-buffer-create "*MIME Security Details*")))
7384 (with-current-buffer gnus-mime-security-details-buffer
7386 (goto-char (point-min)))
7387 (pop-to-buffer gnus-mime-security-details-buffer)))))
7389 (defun gnus-mime-security-press-button (handle)
7391 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7392 (gnus-mime-security-show-details handle)
7393 (gnus-mime-security-verify-or-decrypt handle))))
7395 (defun gnus-insert-mime-security-button (handle &optional displayed)
7396 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7399 (or (nth 2 (assoc protocol mm-verify-function-alist))
7400 (nth 2 (assoc protocol mm-decrypt-function-alist))
7402 (if (equal (car handle) "multipart/signed")
7403 " Signed" " Encrypted")
7406 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7409 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7410 gnus-tmp-pressed-details
7412 (setq gnus-tmp-details
7413 (if gnus-tmp-details
7414 (concat "\n" gnus-tmp-details)
7416 (setq gnus-tmp-pressed-details
7417 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7422 gnus-mime-security-button-line-format
7423 gnus-mime-security-button-line-format-alist
7424 `(keymap ,gnus-mime-security-button-map
7425 gnus-callback gnus-mime-security-press-button
7426 gnus-line-format ,gnus-mime-security-button-line-format
7427 gnus-mime-details ,gnus-mime-security-button-pressed
7428 article-type annotation
7431 ;; Exclude a newline.
7434 (widget-convert-button
7437 :action 'gnus-widget-press-button
7438 :button-keymap gnus-mime-security-button-map
7440 (lambda (widget/window &optional overlay pos)
7441 ;; Needed to properly clear the message due to a bug in
7442 ;; wid-edit (XEmacs only).
7443 (when (boundp 'help-echo-owns-message)
7444 (setq help-echo-owns-message t))
7447 (aref gnus-mouse-2 0))))))
7449 (defun gnus-mime-display-security (handle)
7451 (narrow-to-region (point) (point))
7452 (unless (gnus-unbuttonized-mime-type-p (car handle))
7453 (gnus-insert-mime-security-button handle))
7454 (gnus-mime-display-part (cadr handle))
7457 (unless (gnus-unbuttonized-mime-type-p (car handle))
7458 (let ((gnus-mime-security-button-line-format
7459 gnus-mime-security-button-end-line-format))
7460 (gnus-insert-mime-security-button handle)))
7461 (mm-set-handle-multipart-parameter
7463 (cons (set-marker (make-marker) (point-min))
7464 (set-marker (make-marker) (point-max))))))
7470 (run-hooks 'gnus-art-load-hook)
7472 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7473 ;;; gnus-art.el ends here