1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
33 (defvar w3m-minor-mode-map))
36 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
38 (let ((recursive-load-depth-limit 100))
51 (autoload 'gnus-msg-mail "gnus-msg" nil t)
52 (autoload 'gnus-button-mailto "gnus-msg")
53 (autoload 'gnus-button-reply "gnus-msg" nil t)
54 (autoload 'parse-time-string "parse-time" nil nil)
55 (autoload 'ansi-color-apply-on-region "ansi-color")
56 (autoload 'mm-url-insert-file-contents-external "mm-url")
58 (defgroup gnus-article nil
60 :link '(custom-manual "(gnus)Article Buffer")
63 (defgroup gnus-article-treat nil
64 "Treating article parts."
65 :link '(custom-manual "(gnus)Article Hiding")
68 (defgroup gnus-article-hiding nil
69 "Hiding article parts."
70 :link '(custom-manual "(gnus)Article Hiding")
73 (defgroup gnus-article-highlight nil
74 "Article highlighting."
75 :link '(custom-manual "(gnus)Article Highlighting")
79 (defgroup gnus-article-signature nil
81 :link '(custom-manual "(gnus)Article Signature")
84 (defgroup gnus-article-headers nil
86 :link '(custom-manual "(gnus)Hiding Headers")
89 (defgroup gnus-article-washing nil
90 "Special commands on articles."
91 :link '(custom-manual "(gnus)Article Washing")
94 (defgroup gnus-article-emphasis nil
95 "Fontisizing articles."
96 :link '(custom-manual "(gnus)Article Fontisizing")
99 (defgroup gnus-article-saving nil
101 :link '(custom-manual "(gnus)Saving Articles")
102 :group 'gnus-article)
104 (defgroup gnus-article-mime nil
105 "Worshiping the MIME wonder."
106 :link '(custom-manual "(gnus)Using MIME")
107 :group 'gnus-article)
109 (defgroup gnus-article-buttons nil
110 "Pushable buttons in the article buffer."
111 :link '(custom-manual "(gnus)Article Buttons")
112 :group 'gnus-article)
114 (defgroup gnus-article-various nil
115 "Other article options."
116 :link '(custom-manual "(gnus)Misc Article")
117 :group 'gnus-article)
119 (defcustom gnus-ignored-headers
122 (concat "^" header ":"))
123 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
124 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
125 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
126 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
127 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
128 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
129 "X-Attribution" "X-Originating-IP" "Delivered-To"
130 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
131 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
132 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
133 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
134 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
135 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
136 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
137 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
138 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
139 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
140 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
141 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
142 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
143 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
144 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
145 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
146 "List-[A-Za-z]+" "X-Listprocessor-Version"
147 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
148 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
149 "X-Received" "Content-length" "X-precedence"
150 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
151 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
152 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
153 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
154 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
155 "X-Content-length" "X-Posting-Agent" "Original-Received"
156 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
157 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
158 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
159 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
160 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
161 "*All headers that start with this regexp will be hidden.
162 This variable can also be a list of regexps of headers to be ignored.
163 If `gnus-visible-headers' is non-nil, this variable will be ignored."
164 :type '(choice :custom-show nil
167 :group 'gnus-article-hiding)
169 (defcustom gnus-visible-headers
170 "^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:"
171 "*All headers that do not match this regexp will be hidden.
172 This variable can also be a list of regexp of headers to remain visible.
173 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
174 :type '(repeat :value-to-internal (lambda (widget value)
175 (custom-split-regexp-maybe value))
176 :match (lambda (widget value)
178 (widget-editable-list-match widget value)))
180 :group 'gnus-article-hiding)
182 (defcustom gnus-sorted-header-list
183 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
184 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
185 "*This variable is a list of regular expressions.
186 If it is non-nil, headers that match the regular expressions will
187 be placed first in the article buffer in the sequence specified by
189 :type '(repeat regexp)
190 :group 'gnus-article-hiding)
192 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
193 "Headers that are only to be displayed if they have interesting data.
194 Possible values in this list are:
196 'empty Headers with no content.
197 'newsgroups Newsgroup identical to Gnus group.
198 'to-address To identical to To-address.
199 'to-list To identical to To-list.
200 'cc-list CC identical to To-list.
201 'followup-to Followup-to identical to Newsgroups.
202 'reply-to Reply-to identical to From.
203 'date Date less than four days old.
204 'long-to To and/or Cc longer than 1024 characters.
205 'many-to Multiple To and/or Cc."
206 :type '(set (const :tag "Headers with no content." empty)
207 (const :tag "Newsgroups identical to Gnus group." newsgroups)
208 (const :tag "To identical to To-address." to-address)
209 (const :tag "To identical to To-list." to-list)
210 (const :tag "CC identical to To-list." cc-list)
211 (const :tag "Followup-to identical to Newsgroups." followup-to)
212 (const :tag "Reply-to identical to From." reply-to)
213 (const :tag "Date less than four days old." date)
214 (const :tag "To and/or Cc longer than 1024 characters." long-to)
215 (const :tag "Multiple To and/or Cc headers." many-to))
216 :group 'gnus-article-hiding)
218 (defcustom gnus-article-skip-boring nil
219 "Skip over text that is not worth reading.
220 By default, if you set this t, then Gnus will display citations and
221 signatures, but will never scroll down to show you a page consisting
222 only of boring text. Boring text is controlled by
223 `gnus-article-boring-faces'."
226 :group 'gnus-article-hiding)
228 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
229 "Regexp matching signature separator.
230 This can also be a list of regexps. In that case, it will be checked
231 from head to tail looking for a separator. Searches will be done from
232 the end of the buffer."
233 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
235 (repeat :tag "List of regexp" regexp))
236 :group 'gnus-article-signature)
238 (defcustom gnus-signature-limit nil
239 "Provide a limit to what is considered a signature.
240 If it is a number, no signature may not be longer (in characters) than
241 that number. If it is a floating point number, no signature may be
242 longer (in lines) than that number. If it is a function, the function
243 will be called without any parameters, and if it returns nil, there is
244 no signature in the buffer. If it is a string, it will be used as a
245 regexp. If it matches, the text in question is not a signature.
247 This can also be a list of the above values."
248 :type '(choice (const nil)
251 (function :value fun)
252 (regexp :value ".*"))
253 :group 'gnus-article-signature)
255 (defcustom gnus-hidden-properties '(invisible t intangible t)
256 "Property list to use for hiding text."
258 :group 'gnus-article-hiding)
260 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
261 ;; frames in a session.
262 (defcustom gnus-article-x-face-command
263 (if (featurep 'xemacs)
264 (if (or (gnus-image-type-available-p 'xface)
265 (gnus-image-type-available-p 'pbm))
266 'gnus-display-x-face-in-from
267 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
268 (if (gnus-image-type-available-p 'pbm)
269 'gnus-display-x-face-in-from
270 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
272 "*String or function to be executed to display an X-Face header.
273 If it is a string, the command will be executed in a sub-shell
274 asynchronously. The compressed face will be piped to this command."
275 :type `(choice string
276 (function-item gnus-display-x-face-in-from)
280 :group 'gnus-article-washing)
282 (defcustom gnus-article-x-face-too-ugly nil
283 "Regexp matching posters whose face shouldn't be shown automatically."
284 :type '(choice regexp (const nil))
285 :group 'gnus-article-washing)
287 (defcustom gnus-article-banner-alist nil
288 "Banner alist for stripping.
290 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
292 :type '(repeat (cons symbol regexp))
293 :group 'gnus-article-washing)
295 (gnus-define-group-parameter
298 "Alist of regexps (to match group names) and banner."
299 :variable-group gnus-article-washing
301 '(choice :tag "Banner"
303 (const :tag "Remove signature" signature)
304 (symbol :tag "Item in `gnus-article-banner-alist'" none)
306 (const :tag "None" nil))
308 "If non-nil, specify how to remove `banners' from articles.
310 Symbol `signature' means to remove signatures delimited by
311 `gnus-signature-separator'. Any other symbol is used to look up a
312 regular expression to match the banner in `gnus-article-banner-alist'.
313 A string is used as a regular expression to match the banner
316 (defcustom gnus-article-address-banner-alist nil
317 "Alist of mail addresses and banners.
318 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
319 to match a mail address in the From: header, BANNER is one of a symbol
320 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
321 If ADDRESS matches author's mail address, it will remove things like
322 advertisements. For example:
324 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
328 (regexp :tag "Address")
329 (choice :tag "Banner" :value nil
330 (const :tag "Remove signature" signature)
331 (symbol :tag "Item in `gnus-article-banner-alist'" none)
333 (const :tag "None" nil))))
335 :group 'gnus-article-washing)
337 (defmacro gnus-emphasis-custom-with-format (&rest body)
339 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
340 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
343 (defun gnus-emphasis-custom-value-to-external (value)
344 (gnus-emphasis-custom-with-format
345 (if (consp (car value))
346 (list (format format (car (car value)) (cdr (car value)))
348 (if (nth 1 value) 2 3)
352 (defun gnus-emphasis-custom-value-to-internal (value)
353 (gnus-emphasis-custom-with-format
354 (let ((regexp (concat "\\`"
355 (format (regexp-quote format)
356 "\\([^()]+\\)" "\\([^()]+\\)")
359 (if (string-match regexp (setq pattern (car value)))
360 (list (cons (match-string 1 pattern) (match-string 2 pattern))
365 (defcustom gnus-emphasis-alist
367 '(("\\*" "\\*" bold nil 2)
370 ("_/" "/_" underline-italic)
371 ("_\\*" "\\*_" underline-bold)
372 ("\\*/" "/\\*" bold-italic)
373 ("_\\*/" "/\\*_" underline-bold-italic))))
375 (gnus-emphasis-custom-with-format
376 (mapcar (lambda (spec)
377 (list (format format (car spec) (cadr spec))
380 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
382 '(;; I've never seen anyone use this strikethru convention whereas I've
383 ;; several times seen it triggered by normal text. --Stef
384 ;; Miles suggests that this form is sometimes used but for italics,
385 ;; so maybe we should map it to `italic'.
386 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
387 ;; 2 3 gnus-emphasis-strikethru)
388 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
389 2 3 gnus-emphasis-underline))))
390 "*Alist that says how to fontify certain phrases.
391 Each item looks like this:
393 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
395 The first element is a regular expression to be matched. The second
396 is a number that says what regular expression grouping used to find
397 the entire emphasized word. The third is a number that says what
398 regexp grouping should be displayed and highlighted. The fourth
399 is the face used for highlighting."
403 :format "%[Customizing Style%]\n%v"
405 (group :tag "Default"
406 :value ("" 0 0 default)
409 (let ((value (widget-get
410 (cadr (widget-get (widget-get widget :parent)
413 (if (not (eq (nth 2 value) 'default))
417 (gnus-emphasis-custom-value-to-external value))))
418 (widget-group-value-create widget))
420 (integer :format "Match group: %v")
421 (integer :format "Emphasize group: %v")
424 :value (("_" . "_") nil default)
426 (regexp :format "Start regexp: %v")
427 (regexp :format "End regexp: %v"))
428 (boolean :format "Show start and end patterns: %[%v%]\n"
429 :on " On " :off " Off ")
431 :get (lambda (symbol)
432 (mapcar 'gnus-emphasis-custom-value-to-internal
433 (default-value symbol)))
434 :set (lambda (symbol value)
435 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
437 :group 'gnus-article-emphasis)
439 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
440 "A regexp to describe whitespace which should not be emphasized.
441 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
442 The former avoids underlining of leading and trailing whitespace,
443 and the latter avoids underlining any whitespace at all."
445 :group 'gnus-article-emphasis
448 (defface gnus-emphasis-bold '((t (:bold t)))
449 "Face used for displaying strong emphasized text (*word*)."
450 :group 'gnus-article-emphasis)
452 (defface gnus-emphasis-italic '((t (:italic t)))
453 "Face used for displaying italic emphasized text (/word/)."
454 :group 'gnus-article-emphasis)
456 (defface gnus-emphasis-underline '((t (:underline t)))
457 "Face used for displaying underlined emphasized text (_word_)."
458 :group 'gnus-article-emphasis)
460 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
461 "Face used for displaying underlined bold emphasized text (_*word*_)."
462 :group 'gnus-article-emphasis)
464 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
465 "Face used for displaying underlined italic emphasized text (_/word/_)."
466 :group 'gnus-article-emphasis)
468 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
469 "Face used for displaying bold italic emphasized text (/*word*/)."
470 :group 'gnus-article-emphasis)
472 (defface gnus-emphasis-underline-bold-italic
473 '((t (:bold t :italic t :underline t)))
474 "Face used for displaying underlined bold italic emphasized text.
475 Example: (_/*word*/_)."
476 :group 'gnus-article-emphasis)
478 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
479 '((t (:strikethru t)))
480 '((t (:strike-through t))))
481 "Face used for displaying strike-through text (-word-)."
482 :group 'gnus-article-emphasis)
484 (defface gnus-emphasis-highlight-words
485 '((t (:background "black" :foreground "yellow")))
486 "Face used for displaying highlighted words."
487 :group 'gnus-article-emphasis)
489 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
490 "Format for display of Date headers in article bodies.
491 See `format-time-string' for the possible values.
493 The variable can also be function, which should return a complete Date
494 header. The function is called with one argument, the time, which can
495 be fed to `format-time-string'."
496 :type '(choice string function)
497 :link '(custom-manual "(gnus)Article Date")
498 :group 'gnus-article-washing)
500 (defcustom gnus-save-all-headers t
501 "*If non-nil, don't remove any headers before saving."
502 :group 'gnus-article-saving
505 (defcustom gnus-prompt-before-saving 'always
506 "*This variable says how much prompting is to be done when saving articles.
507 If it is nil, no prompting will be done, and the articles will be
508 saved to the default files. If this variable is `always', each and
509 every article that is saved will be preceded by a prompt, even when
510 saving large batches of articles. If this variable is neither nil not
511 `always', there the user will be prompted once for a file name for
512 each invocation of the saving commands."
513 :group 'gnus-article-saving
514 :type '(choice (item always)
515 (item :tag "never" nil)
516 (sexp :tag "once" :format "%t\n" :value t)))
518 (defcustom gnus-saved-headers gnus-visible-headers
519 "Headers to keep if `gnus-save-all-headers' is nil.
520 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
521 If that variable is nil, however, all headers that match this regexp
522 will be kept while the rest will be deleted before saving."
523 :group 'gnus-article-saving
526 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
527 "A function to save articles in your favourite format.
528 The function must be interactively callable (in other words, it must
529 be an Emacs command).
531 Gnus provides the following functions:
533 * gnus-summary-save-in-rmail (Rmail format)
534 * gnus-summary-save-in-mail (Unix mail format)
535 * gnus-summary-save-in-folder (MH folder)
536 * gnus-summary-save-in-file (article format)
537 * gnus-summary-save-body-in-file (article body)
538 * gnus-summary-save-in-vm (use VM's folder format)
539 * gnus-summary-write-to-file (article format -- overwrite)."
540 :group 'gnus-article-saving
541 :type '(radio (function-item gnus-summary-save-in-rmail)
542 (function-item gnus-summary-save-in-mail)
543 (function-item gnus-summary-save-in-folder)
544 (function-item gnus-summary-save-in-file)
545 (function-item gnus-summary-save-body-in-file)
546 (function-item gnus-summary-save-in-vm)
547 (function-item gnus-summary-write-to-file)
550 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
551 "A function generating a file name to save articles in Rmail format.
552 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
553 :group 'gnus-article-saving
556 (defcustom gnus-mail-save-name 'gnus-plain-save-name
557 "A function generating a file name to save articles in Unix mail format.
558 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
559 :group 'gnus-article-saving
562 (defcustom gnus-folder-save-name 'gnus-folder-save-name
563 "A function generating a file name to save articles in MH folder.
564 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
565 :group 'gnus-article-saving
568 (defcustom gnus-file-save-name 'gnus-numeric-save-name
569 "A function generating a file name to save articles in article format.
570 The function is called with NEWSGROUP, HEADERS, and optional
572 :group 'gnus-article-saving
575 (defcustom gnus-split-methods
576 '((gnus-article-archive-name)
577 (gnus-article-nndoc-name))
578 "*Variable used to suggest where articles are to be saved.
579 For instance, if you would like to save articles related to Gnus in
580 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
581 you could set this variable to something like:
583 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
584 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
586 This variable is an alist where the key is the match and the
587 value is a list of possible files to save in if the match is
590 If the match is a string, it is used as a regexp match on the
591 article. If the match is a symbol, that symbol will be funcalled
592 from the buffer of the article to be saved with the newsgroup as
593 the parameter. If it is a list, it will be evaled in the same
596 If this form or function returns a string, this string will be
597 used as a possible file name; and if it returns a non-nil list,
598 that list will be used as possible file names."
599 :group 'gnus-article-saving
600 :type '(repeat (choice (list :value (fun) function)
601 (cons :value ("" "") regexp (repeat string))
604 (defcustom gnus-page-delimiter "^\^L"
605 "*Regexp describing what to use as article page delimiters.
606 The default value is \"^\^L\", which is a form linefeed at the
607 beginning of a line."
609 :group 'gnus-article-various)
611 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
612 "*The format specification for the article mode line.
613 See `gnus-summary-mode-line-format' for a closer description.
615 The following additional specs are available:
617 %w The article washing status.
618 %m The number of MIME parts in the article."
620 :group 'gnus-article-various)
622 (defcustom gnus-article-mode-hook nil
623 "*A hook for Gnus article mode."
625 :group 'gnus-article-various)
627 (when (featurep 'xemacs)
628 ;; Extracted from gnus-xmas-define in order to preserve user settings
629 (when (fboundp 'turn-off-scroll-in-place)
630 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
631 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
632 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
634 (defcustom gnus-article-menu-hook nil
635 "*Hook run after the creation of the article mode menu."
637 :group 'gnus-article-various)
639 (defcustom gnus-article-prepare-hook nil
640 "*A hook called after an article has been prepared in the article buffer."
642 :group 'gnus-article-various)
644 (defcustom gnus-copy-article-ignored-headers nil
645 "List of headers to be removed when copying an article.
646 Each element is a regular expression."
647 :version "23.0" ;; No Gnus
648 :type '(repeat regexp)
649 :group 'gnus-article-various)
651 (make-obsolete-variable 'gnus-article-hide-pgp-hook
652 "This variable is obsolete in Gnus 5.10.")
655 '((t (:weight bold)))
656 "Face used for highlighting a button in the article buffer."
657 :group 'gnus-article-buttons)
659 (defcustom gnus-article-button-face 'gnus-button
660 "Face used for highlighting buttons in the article buffer.
662 An article button is a piece of text that you can activate by pressing
663 `RET' or `mouse-2' above it."
665 :group 'gnus-article-buttons)
667 (defcustom gnus-article-mouse-face 'highlight
668 "Face used for mouse highlighting in the article buffer.
670 Article buttons will be displayed in this face when the cursor is
673 :group 'gnus-article-buttons)
675 (defcustom gnus-signature-face 'gnus-signature
676 "Face used for highlighting a signature in the article buffer.
677 Obsolete; use the face `gnus-signature' for customizations instead."
679 :group 'gnus-article-highlight
680 :group 'gnus-article-signature)
682 (defface gnus-signature
685 "Face used for highlighting a signature in the article buffer."
686 :group 'gnus-article-highlight
687 :group 'gnus-article-signature)
688 ;; backward-compatibility alias
689 (put 'gnus-signature-face 'face-alias 'gnus-signature)
691 (defface gnus-header-from
694 (:foreground "spring green"))
697 (:foreground "red3"))
700 "Face used for displaying from headers."
701 :group 'gnus-article-headers
702 :group 'gnus-article-highlight)
703 ;; backward-compatibility alias
704 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
706 (defface gnus-header-subject
709 (:foreground "SeaGreen3"))
712 (:foreground "red4"))
714 (:bold t :italic t)))
715 "Face used for displaying subject headers."
716 :group 'gnus-article-headers
717 :group 'gnus-article-highlight)
718 ;; backward-compatibility alias
719 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
721 (defface gnus-header-newsgroups
724 (:foreground "yellow" :italic t))
727 (:foreground "MidnightBlue" :italic t))
730 "Face used for displaying newsgroups headers.
731 In the default setup this face is only used for crossposted
733 :group 'gnus-article-headers
734 :group 'gnus-article-highlight)
735 ;; backward-compatibility alias
736 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
738 (defface gnus-header-name
741 (:foreground "SeaGreen"))
744 (:foreground "maroon"))
747 "Face used for displaying header names."
748 :group 'gnus-article-headers
749 :group 'gnus-article-highlight)
750 ;; backward-compatibility alias
751 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
753 (defface gnus-header-content
756 (:foreground "forest green" :italic t))
759 (:foreground "indianred4" :italic t))
761 (:italic t))) "Face used for displaying header content."
762 :group 'gnus-article-headers
763 :group 'gnus-article-highlight)
764 ;; backward-compatibility alias
765 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
767 (defcustom gnus-header-face-alist
768 '(("From" nil gnus-header-from)
769 ("Subject" nil gnus-header-subject)
770 ("Newsgroups:.*," nil gnus-header-newsgroups)
771 ("" gnus-header-name gnus-header-content))
772 "*Controls highlighting of article headers.
774 An alist of the form (HEADER NAME CONTENT).
776 HEADER is a regular expression which should match the name of a
777 header and NAME and CONTENT are either face names or nil.
779 The name of each header field will be displayed using the face
780 specified by the first element in the list where HEADER matches
781 the header name and NAME is non-nil. Similarly, the content will
782 be displayed by the first non-nil matching CONTENT face."
783 :group 'gnus-article-headers
784 :group 'gnus-article-highlight
785 :type '(repeat (list (regexp :tag "Header")
787 (item :tag "skip" nil)
788 (face :value default))
789 (choice :tag "Content"
790 (item :tag "skip" nil)
791 (face :value default)))))
793 (defcustom gnus-article-decode-hook
794 '(article-decode-charset article-decode-encoded-words
795 article-decode-group-name article-decode-idna-rhs)
796 "*Hook run to decode charsets in articles."
797 :group 'gnus-article-headers
800 (defcustom gnus-display-mime-function 'gnus-display-mime
801 "Function to display MIME articles."
802 :group 'gnus-article-mime
805 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
806 "Function used to decode headers.")
808 (defvar gnus-article-dumbquotes-map
828 "Table for MS-to-Latin1 translation.")
830 (defcustom gnus-ignored-mime-types nil
831 "List of MIME types that should be ignored by Gnus."
833 :group 'gnus-article-mime
834 :type '(repeat regexp))
836 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
837 "List of MIME types that should not be given buttons when rendered inline.
838 See also `gnus-buttonized-mime-types' which may override this variable.
839 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
841 :group 'gnus-article-mime
842 :type '(repeat regexp))
844 (defcustom gnus-buttonized-mime-types nil
845 "List of MIME types that should be given buttons when rendered inline.
846 If set, this variable overrides `gnus-unbuttonized-mime-types'.
847 To see e.g. security buttons you could set this to
848 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
849 this list to display radio buttons that allow you to choose one of two
850 media types those mails include. See also `mm-discouraged-alternatives'.
851 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
853 :group 'gnus-article-mime
854 :type '(repeat regexp))
856 (defcustom gnus-inhibit-mime-unbuttonizing nil
857 "If non-nil, all MIME parts get buttons.
858 When nil (the default value), then some MIME parts do not get buttons,
859 as described by the variables `gnus-buttonized-mime-types' and
860 `gnus-unbuttonized-mime-types'."
862 :group 'gnus-article-mime
865 (defcustom gnus-body-boundary-delimiter "_"
866 "String used to delimit header and body.
867 This variable is used by `gnus-article-treat-body-boundary' which can
868 be controlled by `gnus-treat-body-boundary'."
870 :group 'gnus-article-various
871 :type '(choice (item :tag "None" :value nil)
874 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
876 "Defines the location of the faces database.
877 For information on obtaining this database of pretty pictures, please
878 see http://www.cs.indiana.edu/picons/ftp/index.html"
880 :type '(repeat directory)
881 :link '(url-link :tag "download"
882 "http://www.cs.indiana.edu/picons/ftp/index.html")
883 :link '(custom-manual "(gnus)Picons")
886 (defun gnus-picons-installed-p ()
887 "Say whether picons are installed on your machine."
888 (let ((installed nil))
889 (dolist (database gnus-picon-databases)
890 (when (file-exists-p database)
894 (defcustom gnus-article-mime-part-function nil
895 "Function called with a MIME handle as the argument.
896 This is meant for people who want to do something automatic based
897 on parts -- for instance, adding Vcard info to a database."
898 :group 'gnus-article-mime
899 :type '(choice (const nil)
902 (defcustom gnus-mime-multipart-functions nil
903 "An alist of MIME types to functions to display them."
905 :group 'gnus-article-mime
906 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
908 (defcustom gnus-article-date-lapsed-new-header nil
909 "Whether the X-Sent and Date headers can coexist.
910 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
911 either replace the old \"Date:\" header (if this variable is nil), or
912 be added below it (otherwise)."
914 :group 'gnus-article-headers
917 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
918 "Function called with a MIME handle as the argument.
919 This is meant for people who want to view first matched part.
920 For `undisplayed-alternative' (default), the first undisplayed
921 part or alternative part is used. For `undisplayed', the first
922 undisplayed part is used. For a function, the first part which
923 the function return t is used. For nil, the first part is
926 :group 'gnus-article-mime
928 (item :tag "first" :value nil)
929 (item :tag "undisplayed" :value undisplayed)
930 (item :tag "undisplayed or alternative"
931 :value undisplayed-alternative)
934 (defcustom gnus-mime-action-alist
935 '(("save to file" . gnus-mime-save-part)
936 ("save and strip" . gnus-mime-save-part-and-strip)
937 ("replace with file" . gnus-mime-replace-part)
938 ("delete part" . gnus-mime-delete-part)
939 ("display as text" . gnus-mime-inline-part)
940 ("view the part" . gnus-mime-view-part)
941 ("pipe to command" . gnus-mime-pipe-part)
942 ("toggle display" . gnus-article-press-button)
943 ("toggle display" . gnus-article-view-part-as-charset)
944 ("view as type" . gnus-mime-view-part-as-type)
945 ("view internally" . gnus-mime-view-part-internally)
946 ("view externally" . gnus-mime-view-part-externally))
947 "An alist of actions that run on the MIME attachment."
948 :group 'gnus-article-mime
949 :type '(repeat (cons (string :tag "name")
952 (defcustom gnus-auto-select-part 1
953 "Advance to next MIME part when deleting or stripping parts.
955 When 0, point will be placed on the same part as before. When
956 positive (negative), move point forward (backwards) this many
957 parts. When nil, redisplay article."
958 :version "23.0" ;; No Gnus
959 :group 'gnus-article-mime
960 :type '(choice (const nil :tag "Redisplay article.")
961 (const 1 :tag "Next part.")
962 (const 0 :tag "Current part.")
966 ;;; The treatment variables
969 (defvar gnus-part-display-hook nil
970 "Hook called on parts that are to receive treatment.")
972 (defvar gnus-article-treat-custom
973 '(choice (const :tag "Off" nil)
975 (const :tag "Header" head)
976 (const :tag "First" first)
977 (const :tag "Last" last)
978 (integer :tag "Less")
979 (repeat :tag "Groups" regexp)
980 (sexp :tag "Predicate")))
982 (defvar gnus-article-treat-head-custom
983 '(choice (const :tag "Off" nil)
984 (const :tag "Header" head)))
986 (defvar gnus-article-treat-types '("text/plain")
989 (defvar gnus-inhibit-treatment nil
990 "Whether to inhibit treatment.")
992 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
993 "Highlight the signature.
994 Valid values are nil, t, `head', `first', `last', an integer or a
995 predicate. See Info node `(gnus)Customizing Articles'."
996 :group 'gnus-article-treat
997 :link '(custom-manual "(gnus)Customizing Articles")
998 :type gnus-article-treat-custom)
999 (put 'gnus-treat-highlight-signature 'highlight t)
1001 (defcustom gnus-treat-buttonize 100000
1003 Valid values are nil, t, `head', `first', `last', an integer or a
1004 predicate. See Info node `(gnus)Customizing Articles'."
1005 :group 'gnus-article-treat
1006 :link '(custom-manual "(gnus)Customizing Articles")
1007 :type gnus-article-treat-custom)
1008 (put 'gnus-treat-buttonize 'highlight t)
1010 (defcustom gnus-treat-buttonize-head 'head
1011 "Add buttons to the head.
1012 Valid values are nil, t, `head', `first', `last', an integer or a
1013 predicate. See Info node `(gnus)Customizing Articles'."
1014 :group 'gnus-article-treat
1015 :link '(custom-manual "(gnus)Customizing Articles")
1016 :type gnus-article-treat-head-custom)
1017 (put 'gnus-treat-buttonize-head 'highlight t)
1019 (defcustom gnus-treat-emphasize
1020 (and (or window-system
1024 Valid values are nil, t, `head', `first', `last', an integer or a
1025 predicate. See Info node `(gnus)Customizing Articles'."
1026 :group 'gnus-article-treat
1027 :link '(custom-manual "(gnus)Customizing Articles")
1028 :type gnus-article-treat-custom)
1029 (put 'gnus-treat-emphasize 'highlight t)
1031 (defcustom gnus-treat-strip-cr nil
1032 "Remove carriage returns.
1033 Valid values are nil, t, `head', `first', `last', an integer or a
1034 predicate. See Info node `(gnus)Customizing Articles'."
1036 :group 'gnus-article-treat
1037 :link '(custom-manual "(gnus)Customizing Articles")
1038 :type gnus-article-treat-custom)
1040 (defcustom gnus-treat-unsplit-urls nil
1041 "Remove newlines from within URLs.
1042 Valid values are nil, t, `head', `first', `last', an integer or a
1043 predicate. See Info node `(gnus)Customizing Articles'."
1045 :group 'gnus-article-treat
1046 :link '(custom-manual "(gnus)Customizing Articles")
1047 :type gnus-article-treat-custom)
1049 (defcustom gnus-treat-leading-whitespace nil
1050 "Remove leading whitespace in headers.
1051 Valid values are nil, t, `head', `first', `last', an integer or a
1052 predicate. See Info node `(gnus)Customizing Articles'."
1054 :group 'gnus-article-treat
1055 :link '(custom-manual "(gnus)Customizing Articles")
1056 :type gnus-article-treat-custom)
1058 (defcustom gnus-treat-hide-headers 'head
1060 Valid values are nil, t, `head', `first', `last', an integer or a
1061 predicate. See Info node `(gnus)Customizing Articles'."
1062 :group 'gnus-article-treat
1063 :link '(custom-manual "(gnus)Customizing Articles")
1064 :type gnus-article-treat-head-custom)
1066 (defcustom gnus-treat-hide-boring-headers nil
1067 "Hide boring headers.
1068 Valid values are nil, t, `head', `first', `last', an integer or a
1069 predicate. See Info node `(gnus)Customizing Articles'."
1070 :group 'gnus-article-treat
1071 :link '(custom-manual "(gnus)Customizing Articles")
1072 :type gnus-article-treat-head-custom)
1074 (defcustom gnus-treat-hide-signature nil
1075 "Hide the signature.
1076 Valid values are nil, t, `head', `first', `last', an integer or a
1077 predicate. See Info node `(gnus)Customizing Articles'."
1078 :group 'gnus-article-treat
1079 :link '(custom-manual "(gnus)Customizing Articles")
1080 :type gnus-article-treat-custom)
1082 (defcustom gnus-treat-fill-article nil
1084 Valid values are nil, t, `head', `first', `last', an integer or a
1085 predicate. See Info node `(gnus)Customizing Articles'."
1086 :group 'gnus-article-treat
1087 :link '(custom-manual "(gnus)Customizing Articles")
1088 :type gnus-article-treat-custom)
1090 (defcustom gnus-treat-hide-citation nil
1092 Valid values are nil, t, `head', `first', `last', an integer or a
1093 predicate. See Info node `(gnus)Customizing Articles'."
1094 :group 'gnus-article-treat
1095 :link '(custom-manual "(gnus)Customizing Articles")
1096 :type gnus-article-treat-custom)
1098 (defcustom gnus-treat-hide-citation-maybe nil
1100 Valid values are nil, t, `head', `first', `last', an integer or a
1101 predicate. See Info node `(gnus)Customizing Articles'."
1102 :group 'gnus-article-treat
1103 :link '(custom-manual "(gnus)Customizing Articles")
1104 :type gnus-article-treat-custom)
1106 (defcustom gnus-treat-strip-list-identifiers 'head
1107 "Strip list identifiers from `gnus-list-identifiers`.
1108 Valid values are nil, t, `head', `first', `last', an integer or a
1109 predicate. See Info node `(gnus)Customizing Articles'."
1111 :group 'gnus-article-treat
1112 :link '(custom-manual "(gnus)Customizing Articles")
1113 :type gnus-article-treat-custom)
1115 (make-obsolete-variable 'gnus-treat-strip-pgp
1116 "This option is obsolete in Gnus 5.10.")
1118 (defcustom gnus-treat-strip-pem nil
1119 "Strip PEM signatures.
1120 Valid values are nil, t, `head', `first', `last', an integer or a
1121 predicate. See Info node `(gnus)Customizing Articles'."
1122 :group 'gnus-article-treat
1123 :link '(custom-manual "(gnus)Customizing Articles")
1124 :type gnus-article-treat-custom)
1126 (defcustom gnus-treat-strip-banner t
1127 "Strip banners from articles.
1128 The banner to be stripped is specified in the `banner' group parameter.
1129 Valid values are nil, t, `head', `first', `last', an integer or a
1130 predicate. See Info node `(gnus)Customizing Articles'."
1131 :group 'gnus-article-treat
1132 :link '(custom-manual "(gnus)Customizing Articles")
1133 :type gnus-article-treat-custom)
1135 (defcustom gnus-treat-highlight-headers 'head
1136 "Highlight the headers.
1137 Valid values are nil, t, `head', `first', `last', an integer or a
1138 predicate. See Info node `(gnus)Customizing Articles'."
1139 :group 'gnus-article-treat
1140 :link '(custom-manual "(gnus)Customizing Articles")
1141 :type gnus-article-treat-head-custom)
1142 (put 'gnus-treat-highlight-headers 'highlight t)
1144 (defcustom gnus-treat-highlight-citation t
1145 "Highlight cited text.
1146 Valid values are nil, t, `head', `first', `last', an integer or a
1147 predicate. See Info node `(gnus)Customizing Articles'."
1148 :group 'gnus-article-treat
1149 :link '(custom-manual "(gnus)Customizing Articles")
1150 :type gnus-article-treat-custom)
1151 (put 'gnus-treat-highlight-citation 'highlight t)
1153 (defcustom gnus-treat-date-ut nil
1154 "Display the Date in UT (GMT).
1155 Valid values are nil, t, `head', `first', `last', an integer or a
1156 predicate. See Info node `(gnus)Customizing Articles'."
1157 :group 'gnus-article-treat
1158 :link '(custom-manual "(gnus)Customizing Articles")
1159 :type gnus-article-treat-head-custom)
1161 (defcustom gnus-treat-date-local nil
1162 "Display the Date in the local timezone.
1163 Valid values are nil, t, `head', `first', `last', an integer or a
1164 predicate. See Info node `(gnus)Customizing Articles'."
1165 :group 'gnus-article-treat
1166 :link '(custom-manual "(gnus)Customizing Articles")
1167 :type gnus-article-treat-head-custom)
1169 (defcustom gnus-treat-date-english nil
1170 "Display the Date in a format that can be read aloud in English.
1171 Valid values are nil, t, `head', `first', `last', an integer or a
1172 predicate. See Info node `(gnus)Customizing Articles'."
1174 :group 'gnus-article-treat
1175 :link '(custom-manual "(gnus)Customizing Articles")
1176 :type gnus-article-treat-head-custom)
1178 (defcustom gnus-treat-date-lapsed nil
1179 "Display the Date header in a way that says how much time has elapsed.
1180 Valid values are nil, t, `head', `first', `last', an integer or a
1181 predicate. See Info node `(gnus)Customizing Articles'."
1182 :group 'gnus-article-treat
1183 :link '(custom-manual "(gnus)Customizing Articles")
1184 :type gnus-article-treat-head-custom)
1186 (defcustom gnus-treat-date-original nil
1187 "Display the date in the original timezone.
1188 Valid values are nil, t, `head', `first', `last', an integer or a
1189 predicate. See Info node `(gnus)Customizing Articles'."
1190 :group 'gnus-article-treat
1191 :link '(custom-manual "(gnus)Customizing Articles")
1192 :type gnus-article-treat-head-custom)
1194 (defcustom gnus-treat-date-iso8601 nil
1195 "Display the date in the ISO8601 format.
1196 Valid values are nil, t, `head', `first', `last', an integer or a
1197 predicate. See Info node `(gnus)Customizing Articles'."
1199 :group 'gnus-article-treat
1200 :link '(custom-manual "(gnus)Customizing Articles")
1201 :type gnus-article-treat-head-custom)
1203 (defcustom gnus-treat-date-user-defined nil
1204 "Display the date in a user-defined format.
1205 The format is defined by the `gnus-article-time-format' variable.
1206 Valid values are nil, t, `head', `first', `last', an integer or a
1207 predicate. See Info node `(gnus)Customizing Articles'."
1208 :group 'gnus-article-treat
1209 :link '(custom-manual "(gnus)Customizing Articles")
1210 :type gnus-article-treat-head-custom)
1212 (defcustom gnus-treat-strip-headers-in-body t
1213 "Strip the X-No-Archive header line from the beginning of the body.
1214 Valid values are nil, t, `head', `first', `last', an integer or a
1215 predicate. See Info node `(gnus)Customizing Articles'."
1217 :group 'gnus-article-treat
1218 :link '(custom-manual "(gnus)Customizing Articles")
1219 :type gnus-article-treat-custom)
1221 (defcustom gnus-treat-strip-trailing-blank-lines nil
1222 "Strip trailing blank lines.
1223 Valid values are nil, t, `head', `first', `last', an integer or a
1224 predicate. See Info node `(gnus)Customizing Articles'.
1226 When set to t, it also strips trailing blanks in all MIME parts.
1227 Consider to use `last' instead."
1228 :group 'gnus-article-treat
1229 :link '(custom-manual "(gnus)Customizing Articles")
1230 :type gnus-article-treat-custom)
1232 (defcustom gnus-treat-strip-leading-blank-lines nil
1233 "Strip leading blank lines.
1234 Valid values are nil, t, `head', `first', `last', an integer or a
1235 predicate. See Info node `(gnus)Customizing Articles'.
1237 When set to t, it also strips trailing blanks in all MIME parts."
1238 :group 'gnus-article-treat
1239 :link '(custom-manual "(gnus)Customizing Articles")
1240 :type gnus-article-treat-custom)
1242 (defcustom gnus-treat-strip-multiple-blank-lines nil
1243 "Strip multiple blank lines.
1244 Valid values are nil, t, `head', `first', `last', an integer or a
1245 predicate. See Info node `(gnus)Customizing Articles'."
1246 :group 'gnus-article-treat
1247 :link '(custom-manual "(gnus)Customizing Articles")
1248 :type gnus-article-treat-custom)
1250 (defcustom gnus-treat-unfold-headers 'head
1251 "Unfold folded header lines.
1252 Valid values are nil, t, `head', `first', `last', an integer or a
1253 predicate. See Info node `(gnus)Customizing Articles'."
1255 :group 'gnus-article-treat
1256 :link '(custom-manual "(gnus)Customizing Articles")
1257 :type gnus-article-treat-custom)
1259 (defcustom gnus-treat-fold-headers nil
1261 Valid values are nil, t, `head', `first', `last', an integer or a
1262 predicate. See Info node `(gnus)Customizing Articles'."
1264 :group 'gnus-article-treat
1265 :link '(custom-manual "(gnus)Customizing Articles")
1266 :type gnus-article-treat-custom)
1268 (defcustom gnus-treat-fold-newsgroups 'head
1269 "Fold the Newsgroups and Followup-To headers.
1270 Valid values are nil, t, `head', `first', `last', an integer or a
1271 predicate. See Info node `(gnus)Customizing Articles'."
1273 :group 'gnus-article-treat
1274 :link '(custom-manual "(gnus)Customizing Articles")
1275 :type gnus-article-treat-custom)
1277 (defcustom gnus-treat-overstrike t
1278 "Treat overstrike highlighting.
1279 Valid values are nil, t, `head', `first', `last', an integer or a
1280 predicate. See Info node `(gnus)Customizing Articles'."
1281 :group 'gnus-article-treat
1282 :link '(custom-manual "(gnus)Customizing Articles")
1283 :type gnus-article-treat-custom)
1284 (put 'gnus-treat-overstrike 'highlight t)
1286 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1287 "Treat ANSI SGR control sequences.
1288 Valid values are nil, t, `head', `first', `last', an integer or a
1289 predicate. See Info node `(gnus)Customizing Articles'."
1290 :group 'gnus-article-treat
1291 :link '(custom-manual "(gnus)Customizing Articles")
1292 :type gnus-article-treat-custom)
1294 (make-obsolete-variable 'gnus-treat-display-xface
1295 'gnus-treat-display-x-face)
1297 (defcustom gnus-treat-display-x-face
1298 (and (not noninteractive)
1299 (or (and (fboundp 'image-type-available-p)
1300 (image-type-available-p 'xbm)
1301 (string-match "^0x" (shell-command-to-string "uncompface"))
1302 (executable-find "icontopbm"))
1303 (and (featurep 'xemacs)
1306 "Display X-Face headers.
1307 Valid values are nil, t, `head', `first', `last', an integer or a
1308 predicate. See Info node `(gnus)Customizing Articles' and Info
1309 node `(gnus)X-Face' for details."
1310 :group 'gnus-article-treat
1312 :link '(custom-manual "(gnus)Customizing Articles")
1313 :link '(custom-manual "(gnus)X-Face")
1314 :type gnus-article-treat-head-custom
1315 :set (lambda (symbol value)
1318 (cond ((or (boundp symbol) (get symbol 'saved-value))
1320 ((boundp 'gnus-treat-display-xface)
1322 ** gnus-treat-display-xface is an obsolete variable;\
1323 use gnus-treat-display-x-face instead")
1324 (default-value 'gnus-treat-display-xface))
1325 ((get 'gnus-treat-display-xface 'saved-value)
1327 ** gnus-treat-display-xface is an obsolete variable;\
1328 use gnus-treat-display-x-face instead")
1329 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1332 (put 'gnus-treat-display-x-face 'highlight t)
1334 (defcustom gnus-treat-display-face
1335 (and (not noninteractive)
1336 (or (and (fboundp 'image-type-available-p)
1337 (image-type-available-p 'png))
1338 (and (featurep 'xemacs)
1341 "Display Face headers.
1342 Valid values are nil, t, `head', `first', `last', an integer or a
1343 predicate. See Info node `(gnus)Customizing Articles' and Info
1344 node `(gnus)X-Face' for details."
1345 :group 'gnus-article-treat
1347 :link '(custom-manual "(gnus)Customizing Articles")
1348 :link '(custom-manual "(gnus)X-Face")
1349 :type gnus-article-treat-head-custom)
1350 (put 'gnus-treat-display-face 'highlight t)
1352 (defcustom gnus-treat-display-smileys
1353 (if (or (and (featurep 'xemacs)
1355 (and (fboundp 'image-type-available-p)
1356 (image-type-available-p 'pbm)))
1359 Valid values are nil, t, `head', `first', `last', an integer or a
1360 predicate. See Info node `(gnus)Customizing Articles' and Info
1361 node `(gnus)Smileys' for details."
1362 :group 'gnus-article-treat
1364 :link '(custom-manual "(gnus)Customizing Articles")
1365 :link '(custom-manual "(gnus)Smileys")
1366 :type gnus-article-treat-custom)
1367 (put 'gnus-treat-display-smileys 'highlight t)
1369 (defcustom gnus-treat-from-picon
1370 (if (and (gnus-image-type-available-p 'xpm)
1371 (gnus-picons-installed-p))
1373 "Display picons in the From header.
1374 Valid values are nil, t, `head', `first', `last', an integer or a
1375 predicate. See Info node `(gnus)Customizing Articles' and Info
1376 node `(gnus)Picons' for details."
1378 :group 'gnus-article-treat
1380 :link '(custom-manual "(gnus)Customizing Articles")
1381 :link '(custom-manual "(gnus)Picons")
1382 :type gnus-article-treat-head-custom)
1383 (put 'gnus-treat-from-picon 'highlight t)
1385 (defcustom gnus-treat-mail-picon
1386 (if (and (gnus-image-type-available-p 'xpm)
1387 (gnus-picons-installed-p))
1389 "Display picons in To and Cc headers.
1390 Valid values are nil, t, `head', `first', `last', an integer or a
1391 predicate. See Info node `(gnus)Customizing Articles' and Info
1392 node `(gnus)Picons' for details."
1394 :group 'gnus-article-treat
1396 :link '(custom-manual "(gnus)Customizing Articles")
1397 :link '(custom-manual "(gnus)Picons")
1398 :type gnus-article-treat-head-custom)
1399 (put 'gnus-treat-mail-picon 'highlight t)
1401 (defcustom gnus-treat-newsgroups-picon
1402 (if (and (gnus-image-type-available-p 'xpm)
1403 (gnus-picons-installed-p))
1405 "Display picons in the Newsgroups and Followup-To headers.
1406 Valid values are nil, t, `head', `first', `last', an integer or a
1407 predicate. See Info node `(gnus)Customizing Articles' and Info
1408 node `(gnus)Picons' for details."
1410 :group 'gnus-article-treat
1412 :link '(custom-manual "(gnus)Customizing Articles")
1413 :link '(custom-manual "(gnus)Picons")
1414 :type gnus-article-treat-head-custom)
1415 (put 'gnus-treat-newsgroups-picon 'highlight t)
1417 (defcustom gnus-treat-body-boundary
1418 (if (and (eq window-system 'x)
1419 (or gnus-treat-newsgroups-picon
1420 gnus-treat-mail-picon
1421 gnus-treat-from-picon))
1423 "Draw a boundary at the end of the headers.
1424 Valid values are nil and `head'.
1425 See Info node `(gnus)Customizing Articles' for details."
1427 :group 'gnus-article-treat
1428 :link '(custom-manual "(gnus)Customizing Articles")
1429 :type gnus-article-treat-head-custom)
1431 (defcustom gnus-treat-capitalize-sentences nil
1432 "Capitalize sentence-starting words.
1433 Valid values are nil, t, `head', `first', `last', an integer or a
1434 predicate. See Info node `(gnus)Customizing Articles'."
1436 :group 'gnus-article-treat
1437 :link '(custom-manual "(gnus)Customizing Articles")
1438 :type gnus-article-treat-custom)
1440 (defcustom gnus-treat-wash-html nil
1442 Valid values are nil, t, `head', `first', `last', an integer or a
1443 predicate. See Info node `(gnus)Customizing Articles'."
1445 :group 'gnus-article-treat
1446 :link '(custom-manual "(gnus)Customizing Articles")
1447 :type gnus-article-treat-custom)
1449 (defcustom gnus-treat-fill-long-lines nil
1451 Valid values are nil, t, `head', `first', `last', an integer or a
1452 predicate. See Info node `(gnus)Customizing Articles'."
1453 :group 'gnus-article-treat
1454 :link '(custom-manual "(gnus)Customizing Articles")
1455 :type gnus-article-treat-custom)
1457 (defcustom gnus-treat-play-sounds nil
1459 Valid values are nil, t, `head', `first', `last', an integer or a
1460 predicate. See Info node `(gnus)Customizing Articles'."
1462 :group 'gnus-article-treat
1463 :link '(custom-manual "(gnus)Customizing Articles")
1464 :type gnus-article-treat-custom)
1466 (defcustom gnus-treat-translate nil
1467 "Translate articles from one language to another.
1468 Valid values are nil, t, `head', `first', `last', an integer or a
1469 predicate. See Info node `(gnus)Customizing Articles'."
1471 :group 'gnus-article-treat
1472 :link '(custom-manual "(gnus)Customizing Articles")
1473 :type gnus-article-treat-custom)
1475 (defcustom gnus-treat-x-pgp-sig nil
1477 To automatically treat X-PGP-Sig, set it to head.
1478 Valid values are nil, t, `head', `first', `last', an integer or a
1479 predicate. See Info node `(gnus)Customizing Articles'."
1481 :group 'gnus-article-treat
1482 :group 'mime-security
1483 :link '(custom-manual "(gnus)Customizing Articles")
1484 :type gnus-article-treat-custom)
1486 (defvar gnus-article-encrypt-protocol-alist
1487 '(("PGP" . mml2015-self-encrypt)))
1489 ;; Set to nil if more than one protocol added to
1490 ;; gnus-article-encrypt-protocol-alist.
1491 (defcustom gnus-article-encrypt-protocol "PGP"
1492 "The protocol used for encrypt articles.
1493 It is a string, such as \"PGP\". If nil, ask user."
1496 :group 'mime-security)
1498 (defvar gnus-article-wash-function nil
1499 "Function used for converting HTML into text.")
1501 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1502 (mm-coding-system-p 'utf-8)
1503 (executable-find idna-program))
1504 "Whether IDNA decoding of headers is used when viewing messages.
1505 This requires GNU Libidn, and by default only enabled if it is found."
1507 :group 'gnus-article-headers
1510 (defcustom gnus-article-over-scroll nil
1511 "If non-nil, allow scrolling the article buffer even when there no more text."
1513 :group 'gnus-article
1516 ;;; Internal variables
1518 (defvar gnus-english-month-names
1519 '("January" "February" "March" "April" "May" "June" "July" "August"
1520 "September" "October" "November" "December"))
1522 (defvar gnus-button-regexp nil)
1523 (defvar gnus-button-marker-list nil)
1524 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1526 (defvar gnus-button-last nil)
1527 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1529 (defvar article-goto-body-goes-to-point-min-p nil)
1530 (defvar gnus-article-wash-types nil)
1531 (defvar gnus-article-emphasis-alist nil)
1532 (defvar gnus-article-image-alist nil)
1534 (defvar gnus-article-mime-handle-alist-1 nil)
1535 (defvar gnus-treatment-function-alist
1536 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1537 (gnus-treat-strip-banner gnus-article-strip-banner)
1538 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1539 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1540 (gnus-treat-buttonize gnus-article-add-buttons)
1541 (gnus-treat-fill-article gnus-article-fill-cited-article)
1542 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1543 (gnus-treat-strip-cr gnus-article-remove-cr)
1544 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1545 (gnus-treat-date-ut gnus-article-date-ut)
1546 (gnus-treat-date-local gnus-article-date-local)
1547 (gnus-treat-date-english gnus-article-date-english)
1548 (gnus-treat-date-original gnus-article-date-original)
1549 (gnus-treat-date-user-defined gnus-article-date-user)
1550 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1551 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1552 (gnus-treat-display-x-face gnus-article-display-x-face)
1553 (gnus-treat-display-face gnus-article-display-face)
1554 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1555 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1556 (gnus-treat-hide-signature gnus-article-hide-signature)
1557 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1558 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1559 (gnus-treat-strip-pem gnus-article-hide-pem)
1560 (gnus-treat-from-picon gnus-treat-from-picon)
1561 (gnus-treat-mail-picon gnus-treat-mail-picon)
1562 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1563 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1564 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1565 (gnus-treat-strip-trailing-blank-lines
1566 gnus-article-remove-trailing-blank-lines)
1567 (gnus-treat-strip-leading-blank-lines
1568 gnus-article-strip-leading-blank-lines)
1569 (gnus-treat-strip-multiple-blank-lines
1570 gnus-article-strip-multiple-blank-lines)
1571 (gnus-treat-overstrike gnus-article-treat-overstrike)
1572 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1573 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1574 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1575 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1576 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1577 (gnus-treat-display-smileys gnus-treat-smiley)
1578 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1579 (gnus-treat-wash-html gnus-article-wash-html)
1580 (gnus-treat-emphasize gnus-article-emphasize)
1581 (gnus-treat-hide-citation gnus-article-hide-citation)
1582 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1583 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1584 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1585 (gnus-treat-play-sounds gnus-earcon-display)))
1587 (defvar gnus-article-mime-handle-alist nil)
1588 (defvar article-lapsed-timer nil)
1589 (defvar gnus-article-current-summary nil)
1591 (defvar gnus-article-mode-syntax-table
1592 (let ((table (copy-syntax-table text-mode-syntax-table)))
1593 ;; This causes the citation match run O(2^n).
1594 ;; (modify-syntax-entry ?- "w" table)
1595 (modify-syntax-entry ?> ")<" table)
1596 (modify-syntax-entry ?< "(>" table)
1597 ;; make M-. in article buffers work for `foo' strings
1598 (modify-syntax-entry ?' " " table)
1599 (modify-syntax-entry ?` " " table)
1601 "Syntax table used in article mode buffers.
1602 Initialized from `text-mode-syntax-table.")
1604 (defvar gnus-save-article-buffer nil)
1606 (defvar gnus-article-mode-line-format-alist
1607 (nconc '((?w (gnus-article-wash-status) ?s)
1608 (?m (gnus-article-mime-part-status) ?s))
1609 gnus-summary-mode-line-format-alist))
1611 (defvar gnus-number-of-articles-to-be-saved nil)
1613 (defvar gnus-inhibit-hiding nil)
1615 (defvar gnus-article-edit-mode nil)
1617 ;;; Macros for dealing with the article buffer.
1619 (defmacro gnus-with-article-headers (&rest forms)
1621 (set-buffer gnus-article-buffer)
1623 (let ((inhibit-read-only t)
1624 (inhibit-point-motion-hooks t)
1625 (case-fold-search t))
1626 (article-narrow-to-head)
1629 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1630 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1632 (defmacro gnus-with-article-buffer (&rest forms)
1634 (set-buffer gnus-article-buffer)
1635 (let ((inhibit-read-only t))
1638 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1639 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1641 (defun gnus-article-goto-header (header)
1642 "Go to HEADER, which is a regular expression."
1643 (re-search-forward (concat "^\\(" header "\\):") nil t))
1645 (defsubst gnus-article-hide-text (b e props)
1646 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1647 (gnus-add-text-properties-when 'article-type nil b e props)
1648 (when (memq 'intangible props)
1650 (max (1- b) (point-min))
1651 b 'intangible (cddr (memq 'intangible props)))))
1653 (defsubst gnus-article-unhide-text (b e)
1654 "Remove hidden text properties from region between B and E."
1655 (remove-text-properties b e gnus-hidden-properties)
1656 (when (memq 'intangible gnus-hidden-properties)
1657 (put-text-property (max (1- b) (point-min))
1658 b 'intangible nil)))
1660 (defun gnus-article-hide-text-type (b e type)
1661 "Hide text of TYPE between B and E."
1662 (gnus-add-wash-type type)
1663 (gnus-article-hide-text
1664 b e (cons 'article-type (cons type gnus-hidden-properties))))
1666 (defun gnus-article-unhide-text-type (b e type)
1667 "Unhide text of TYPE between B and E."
1668 (gnus-delete-wash-type type)
1669 (remove-text-properties
1670 b e (cons 'article-type (cons type gnus-hidden-properties)))
1671 (when (memq 'intangible gnus-hidden-properties)
1672 (put-text-property (max (1- b) (point-min))
1673 b 'intangible nil)))
1675 (defun gnus-article-hide-text-of-type (type)
1676 "Hide text of TYPE in the current buffer."
1678 (let ((b (point-min))
1680 (while (setq b (text-property-any b e 'article-type type))
1681 (add-text-properties b (incf b) gnus-hidden-properties)))))
1683 (defun gnus-article-delete-text-of-type (type)
1684 "Delete text of TYPE in the current buffer."
1686 (let ((b (point-min)))
1687 (if (eq type 'multipart)
1688 ;; Remove MIME buttons associated with multipart/alternative parts.
1691 (while (if (get-text-property (point) 'gnus-part)
1693 (when (setq b (next-single-property-change (point)
1698 (skip-chars-forward "\n")
1699 (when (eq (get-text-property b 'article-type) 'multipart)
1700 (delete-region b (point)))))
1701 (while (setq b (text-property-any b (point-max) 'article-type type))
1703 b (or (text-property-not-all b (point-max) 'article-type type)
1706 (defun gnus-article-delete-invisible-text ()
1707 "Delete all invisible text in the current buffer."
1709 (let ((b (point-min)))
1710 (while (setq b (text-property-any b (point-max) 'invisible t))
1712 b (or (text-property-not-all b (point-max) 'invisible t)
1715 (defun gnus-article-text-type-exists-p (type)
1716 "Say whether any text of type TYPE exists in the buffer."
1717 (text-property-any (point-min) (point-max) 'article-type type))
1719 (defsubst gnus-article-header-rank ()
1720 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1721 (let ((list gnus-sorted-header-list)
1724 (if (looking-at (car list))
1726 (setq list (cdr list))
1730 (defun article-hide-headers (&optional arg delete)
1731 "Hide unwanted headers and possibly sort them as well."
1733 ;; This function might be inhibited.
1734 (unless gnus-inhibit-hiding
1735 (let ((inhibit-read-only nil)
1736 (case-fold-search t)
1737 (max (1+ (length gnus-sorted-header-list)))
1738 (inhibit-point-motion-hooks t)
1739 (cur (current-buffer))
1740 ignored visible beg)
1742 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1743 ;; group parameters, so we should go to the summary buffer.
1746 (progn (set-buffer gnus-summary-buffer) t)
1748 (setq ignored (when (not gnus-visible-headers)
1749 (cond ((stringp gnus-ignored-headers)
1750 gnus-ignored-headers)
1751 ((listp gnus-ignored-headers)
1752 (mapconcat 'identity
1753 gnus-ignored-headers
1755 visible (cond ((stringp gnus-visible-headers)
1756 gnus-visible-headers)
1757 ((and gnus-visible-headers
1758 (listp gnus-visible-headers))
1759 (mapconcat 'identity
1760 gnus-visible-headers
1764 ;; First we narrow to just the headers.
1765 (article-narrow-to-head)
1766 ;; Hide any "From " lines at the beginning of (mail) articles.
1767 (while (looking-at "From ")
1770 (delete-region (point-min) (point)))
1771 ;; Then treat the rest of the header lines.
1772 ;; Then we use the two regular expressions
1773 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1774 ;; select which header lines is to remain visible in the
1776 (while (re-search-forward "^[^ \t:]*:" nil t)
1778 ;; Mark the rank of the header.
1780 (point) (1+ (point)) 'message-rank
1781 (if (or (and visible (looking-at visible))
1783 (not (looking-at ignored))))
1784 (gnus-article-header-rank)
1787 (message-sort-headers-1)
1788 (when (setq beg (text-property-any
1789 (point-min) (point-max) 'message-rank (+ 2 max)))
1790 ;; We delete the unwanted headers.
1791 (gnus-add-wash-type 'headers)
1792 (add-text-properties (point-min) (+ 5 (point-min))
1793 '(article-type headers dummy-invisible t))
1794 (delete-region beg (point-max))))))))
1796 (defun article-hide-boring-headers (&optional arg)
1797 "Toggle hiding of headers that aren't very interesting.
1798 If given a negative prefix, always show; if given a positive prefix,
1800 (interactive (gnus-article-hidden-arg))
1801 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1802 (not gnus-show-all-headers))
1805 (let ((inhibit-read-only t)
1806 (inhibit-point-motion-hooks t))
1807 (article-narrow-to-head)
1808 (dolist (elem gnus-boring-article-headers)
1809 (goto-char (point-min))
1811 ;; Hide empty headers.
1813 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1815 (gnus-article-hide-text-type
1819 (if (re-search-forward "^[^ \t]" nil t)
1823 ;; Hide boring Newsgroups header.
1824 ((eq elem 'newsgroups)
1825 (when (gnus-string-equal
1826 (gnus-fetch-field "newsgroups")
1827 (gnus-group-real-name
1828 (if (boundp 'gnus-newsgroup-name)
1831 (gnus-article-hide-header "newsgroups")))
1832 ((eq elem 'to-address)
1833 (let ((to (message-fetch-field "to"))
1835 (gnus-parameter-to-address
1836 (if (boundp 'gnus-newsgroup-name)
1837 gnus-newsgroup-name ""))))
1838 (when (and to to-address
1841 ;; only one address in To
1842 (nth 1 (mail-extract-address-components to))
1844 (gnus-article-hide-header "to"))))
1846 (let ((to (message-fetch-field "to"))
1848 (gnus-parameter-to-list
1849 (if (boundp 'gnus-newsgroup-name)
1850 gnus-newsgroup-name ""))))
1851 (when (and to to-list
1854 ;; only one address in To
1855 (nth 1 (mail-extract-address-components to))
1857 (gnus-article-hide-header "to"))))
1859 (let ((cc (message-fetch-field "cc"))
1861 (gnus-parameter-to-list
1862 (if (boundp 'gnus-newsgroup-name)
1863 gnus-newsgroup-name ""))))
1864 (when (and cc to-list
1867 ;; only one address in CC
1868 (nth 1 (mail-extract-address-components cc))
1870 (gnus-article-hide-header "cc"))))
1871 ((eq elem 'followup-to)
1872 (when (gnus-string-equal
1873 (message-fetch-field "followup-to")
1874 (message-fetch-field "newsgroups"))
1875 (gnus-article-hide-header "followup-to")))
1876 ((eq elem 'reply-to)
1877 (if (gnus-group-find-parameter
1878 gnus-newsgroup-name 'broken-reply-to)
1879 (gnus-article-hide-header "reply-to")
1880 (let ((from (message-fetch-field "from"))
1881 (reply-to (message-fetch-field "reply-to")))
1888 (lambda (x) (downcase (cadr x)))
1889 (mail-extract-address-components from t))
1892 (lambda (x) (downcase (cadr x)))
1893 (mail-extract-address-components reply-to t))
1895 (gnus-article-hide-header "reply-to")))))
1897 (let ((date (message-fetch-field "date")))
1899 (< (days-between (current-time-string) date)
1901 (gnus-article-hide-header "date"))))
1903 (let ((to (message-fetch-field "to"))
1904 (cc (message-fetch-field "cc")))
1905 (when (> (length to) 1024)
1906 (gnus-article-hide-header "to"))
1907 (when (> (length cc) 1024)
1908 (gnus-article-hide-header "cc"))))
1912 (goto-char (point-min))
1913 (while (re-search-forward "^to:" nil t)
1914 (setq to-count (1+ to-count)))
1915 (when (> to-count 1)
1916 (while (> to-count 0)
1917 (goto-char (point-min))
1919 (re-search-forward "^to:" nil nil to-count)
1921 (narrow-to-region (point) (point-max))
1922 (gnus-article-hide-header "to"))
1923 (setq to-count (1- to-count))))
1924 (goto-char (point-min))
1925 (while (re-search-forward "^cc:" nil t)
1926 (setq cc-count (1+ cc-count)))
1927 (when (> cc-count 1)
1928 (while (> cc-count 0)
1929 (goto-char (point-min))
1931 (re-search-forward "^cc:" nil nil cc-count)
1933 (narrow-to-region (point) (point-max))
1934 (gnus-article-hide-header "cc"))
1935 (setq cc-count (1- cc-count)))))))))))))
1937 (defun gnus-article-hide-header (header)
1939 (goto-char (point-min))
1940 (when (re-search-forward (concat "^" header ":") nil t)
1941 (gnus-article-hide-text-type
1945 (if (re-search-forward "^[^ \t]" nil t)
1950 (defvar gnus-article-normalized-header-length 40
1951 "Length of normalized headers.")
1953 (defun article-normalize-headers ()
1954 "Make all header lines 40 characters long."
1956 (let ((inhibit-read-only t)
1960 (article-narrow-to-head)
1963 ((< (setq column (- (point-at-eol) (point)))
1964 gnus-article-normalized-header-length)
1966 (insert (make-string
1967 (- gnus-article-normalized-header-length column)
1969 ((> column gnus-article-normalized-header-length)
1970 (gnus-put-text-property
1972 (forward-char gnus-article-normalized-header-length)
1979 (forward-line 1))))))
1981 (defun article-treat-dumbquotes ()
1982 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1983 Note that this function guesses whether a character is a sm*rtq**t* or
1984 not, so it should only be used interactively.
1986 Sm*rtq**t*s are M****s***'s unilateral extension to the
1987 iso-8859-1 character map in an attempt to provide more quoting
1988 characters. If you see something like \\222 or \\264 where
1989 you're expecting some kind of apostrophe or quotation mark, then
1992 (article-translate-strings gnus-article-dumbquotes-map))
1994 (defun article-translate-characters (from to)
1995 "Translate all characters in the body of the article according to FROM and TO.
1996 FROM is a string of characters to translate from; to is a string of
1997 characters to translate to."
1999 (when (article-goto-body)
2000 (let ((inhibit-read-only t)
2001 (x (make-string 225 ?x))
2003 (while (< (incf i) (length x))
2006 (while (< i (length from))
2007 (aset x (aref from i) (aref to i))
2009 (translate-region (point) (point-max) x)))))
2011 (defun article-translate-strings (map)
2012 "Translate all string in the body of the article according to MAP.
2013 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2015 (when (article-goto-body)
2016 (let ((inhibit-read-only t))
2019 (while (search-forward (car elem) nil t)
2020 (replace-match (cadr elem)))))))))
2022 (defun article-treat-overstrike ()
2023 "Translate overstrikes into bold text."
2026 (when (article-goto-body)
2027 (let ((inhibit-read-only t))
2028 (while (search-forward "\b" nil t)
2029 (let ((next (char-after))
2030 (previous (char-after (- (point) 2))))
2031 ;; We do the boldification/underlining by hiding the
2032 ;; overstrikes and putting the proper text property
2036 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2037 (put-text-property (point) (1+ (point)) 'face 'bold))
2039 (gnus-article-hide-text-type
2040 (1- (point)) (1+ (point)) 'overstrike)
2042 (- (point) 2) (1- (point)) 'face 'underline))
2044 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2046 (point) (1+ (point)) 'face 'underline)))))))))
2048 (defun article-treat-ansi-sequences ()
2049 "Translate ANSI SGR control sequences into overlays or extents."
2052 (when (article-goto-body)
2053 (let ((inhibit-read-only t))
2054 (ansi-color-apply-on-region (point) (point-max))))))
2056 (defun gnus-article-treat-unfold-headers ()
2057 "Unfold folded message headers.
2058 Only the headers that fit into the current window width will be
2061 (gnus-with-article-headers
2065 (mail-header-narrow-to-field)
2066 (let ((header (buffer-string)))
2069 (goto-char (point-min))
2070 (while (re-search-forward "\n[\t ]" nil t)
2071 (replace-match " " t t)))
2072 (setq length (- (point-max) (point-min) 1)))
2073 (when (< length (window-width))
2074 (while (re-search-forward "\n[\t ]" nil t)
2075 (replace-match " " t t)))
2076 (goto-char (point-max)))))))
2078 (defun gnus-article-treat-fold-headers ()
2079 "Fold message headers."
2081 (gnus-with-article-headers
2084 (mail-header-narrow-to-field)
2085 (mail-header-fold-field)
2086 (goto-char (point-max))))))
2088 (defun gnus-treat-smiley ()
2089 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2091 (gnus-with-article-buffer
2092 (if (memq 'smiley gnus-article-wash-types)
2093 (gnus-delete-images 'smiley)
2095 (let ((images (smiley-region (point) (point-max))))
2097 (gnus-add-wash-type 'smiley)
2098 (dolist (image images)
2099 (gnus-add-image 'smiley image)))))))
2101 (defun gnus-article-remove-images ()
2102 "Remove all images from the article buffer."
2104 (gnus-with-article-buffer
2105 (dolist (elem gnus-article-image-alist)
2106 (gnus-delete-images (car elem)))))
2108 (defun gnus-article-treat-fold-newsgroups ()
2109 "Unfold folded message headers.
2110 Only the headers that fit into the current window width will be
2113 (gnus-with-article-headers
2114 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2116 (mail-header-narrow-to-field)
2117 (while (re-search-forward ", *" nil t)
2118 (replace-match ", " t t))
2119 (mail-header-fold-field)
2120 (goto-char (point-max))))))
2122 (defun gnus-article-treat-body-boundary ()
2123 "Place a boundary line at the end of the headers."
2125 (when (and gnus-body-boundary-delimiter
2126 (> (length gnus-body-boundary-delimiter) 0))
2127 (gnus-with-article-headers
2128 (goto-char (point-max))
2129 (let ((start (point)))
2130 (insert "X-Boundary: ")
2131 (gnus-add-text-properties start (point) '(invisible t intangible t))
2133 (while (>= (1- (window-width)) (length str))
2134 (setq str (concat str gnus-body-boundary-delimiter)))
2135 (substring str 0 (1- (window-width))))
2137 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2139 (defun article-fill-long-lines ()
2140 "Fill lines that are wider than the window width."
2143 (let ((inhibit-read-only t)
2144 (width (window-width (get-buffer-window (current-buffer)))))
2147 (let ((adaptive-fill-mode nil)) ;Why? -sm
2150 (when (>= (current-column) (min fill-column width))
2151 (narrow-to-region (min (1+ (point)) (point-max))
2153 (let ((goback (point-marker)))
2154 (fill-paragraph nil)
2155 (goto-char (marker-position goback)))
2157 (forward-line 1)))))))
2159 (defun article-capitalize-sentences ()
2160 "Capitalize the first word in each sentence."
2163 (let ((inhibit-read-only t)
2164 (paragraph-start "^[\n\^L]"))
2168 (forward-sentence)))))
2170 (defun article-remove-cr ()
2171 "Remove trailing CRs and then translate remaining CRs into LFs."
2174 (let ((inhibit-read-only t))
2175 (goto-char (point-min))
2176 (while (re-search-forward "\r+$" nil t)
2177 (replace-match "" t t))
2178 (goto-char (point-min))
2179 (while (search-forward "\r" nil t)
2180 (replace-match "\n" t t)))))
2182 (defun article-remove-trailing-blank-lines ()
2183 "Remove all trailing blank lines from the article."
2186 (let ((inhibit-read-only t))
2187 (goto-char (point-max))
2191 (while (and (not (bobp))
2192 (looking-at "^[ \t]*$")
2193 (not (gnus-annotation-in-region-p
2194 (point) (point-at-eol))))
2200 (defvar gnus-face-properties-alist))
2202 (defun article-display-face ()
2203 "Display any Face headers in the header."
2205 (let ((wash-face-p buffer-read-only))
2206 (gnus-with-article-headers
2207 ;; When displaying parts, this function can be called several times on
2208 ;; the same article, without any intended toggle semantic (as typing `W
2209 ;; D d' would have). So face deletion must occur only when we come from
2210 ;; an interactive command, that is when the *Article* buffer is
2212 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2213 (gnus-delete-images 'face)
2214 (let (face faces from)
2215 (save-current-buffer
2216 (when (and wash-face-p
2217 (gnus-buffer-live-p gnus-original-article-buffer)
2218 (not (re-search-forward "^Face:[\t ]*" nil t)))
2219 (set-buffer gnus-original-article-buffer))
2221 (mail-narrow-to-head)
2222 (while (gnus-article-goto-header "Face")
2223 (push (mail-header-field-value) faces))))
2225 (goto-char (point-min))
2226 (let ((from (gnus-article-goto-header "from"))
2231 (insert "[no `from' set]\n"))
2233 (when (setq png (gnus-convert-face-to-png (pop faces)))
2235 (apply 'gnus-create-image png 'png t
2236 (cdr (assq 'png gnus-face-properties-alist))))
2238 (gnus-add-wash-type 'face)
2239 (gnus-add-image 'face image)
2240 (gnus-put-image image nil 'face))))))))))
2242 (defun article-display-x-face (&optional force)
2243 "Look for an X-Face header and display it if present."
2244 (interactive (list 'force))
2245 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2246 (gnus-with-article-headers
2247 ;; Delete the old process, if any.
2248 (when (process-status "article-x-face")
2249 (delete-process "article-x-face"))
2250 ;; See the comment in `article-display-face'.
2251 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2252 ;; We have already displayed X-Faces, so we remove them
2254 (gnus-delete-images 'xface)
2256 (let (x-faces from face)
2257 (save-current-buffer
2258 (when (and wash-face-p
2259 (gnus-buffer-live-p gnus-original-article-buffer)
2260 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2261 ;; If type `W f', use gnus-original-article-buffer,
2262 ;; otherwise use the current buffer because displaying
2263 ;; RFC822 parts calls this function too.
2264 (set-buffer gnus-original-article-buffer))
2266 (mail-narrow-to-head)
2267 (while (gnus-article-goto-header "X-Face")
2268 (push (mail-header-field-value) x-faces))
2269 (setq from (message-fetch-field "from"))))
2270 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2271 ;; single external face.
2272 (when (stringp gnus-article-x-face-command)
2273 (setq x-faces (list (car x-faces))))
2275 gnus-article-x-face-command
2277 ;; Check whether this face is censored.
2278 (not gnus-article-x-face-too-ugly)
2280 (not (string-match gnus-article-x-face-too-ugly
2282 (while (setq face (pop x-faces))
2283 ;; We display the face.
2284 (cond ((stringp gnus-article-x-face-command)
2285 ;; The command is a string, so we interpret the command
2286 ;; as a, well, command, and fork it off.
2287 (let ((process-connection-type nil))
2288 (gnus-set-process-query-on-exit-flag
2290 "article-x-face" nil shell-file-name
2291 shell-command-switch gnus-article-x-face-command)
2295 (process-send-region "article-x-face"
2296 (point-min) (point-max)))
2297 (process-send-eof "article-x-face")))
2298 ((functionp gnus-article-x-face-command)
2299 ;; The command is a lisp function, so we call it.
2300 (funcall gnus-article-x-face-command face))
2302 (error "%s is not a function"
2303 gnus-article-x-face-command))))))))))
2305 (defun article-decode-mime-words ()
2306 "Decode all MIME-encoded words in the article."
2308 (gnus-with-article-buffer
2309 (let ((inhibit-point-motion-hooks t)
2310 (mail-parse-charset gnus-newsgroup-charset)
2311 (mail-parse-ignored-charsets
2312 (with-current-buffer gnus-summary-buffer
2313 gnus-newsgroup-ignored-charsets)))
2314 (mail-decode-encoded-word-region (point-min) (point-max)))))
2316 (defun article-decode-charset (&optional prompt)
2317 "Decode charset-encoded text in the article.
2318 If PROMPT (the prefix), prompt for a coding system to use."
2320 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2321 (inhibit-read-only t)
2322 (mail-parse-charset gnus-newsgroup-charset)
2323 (mail-parse-ignored-charsets
2324 (save-excursion (condition-case nil
2325 (set-buffer gnus-summary-buffer)
2327 gnus-newsgroup-ignored-charsets))
2328 ct cte ctl charset format)
2331 (article-narrow-to-head)
2332 (setq ct (message-fetch-field "Content-Type" t)
2333 cte (message-fetch-field "Content-Transfer-Encoding" t)
2334 ctl (and ct (mail-header-parse-content-type ct))
2337 (mm-read-coding-system "Charset to decode: "))
2339 (mail-content-type-get ctl 'charset)))
2340 format (and ctl (mail-content-type-get ctl 'format)))
2342 (setq cte (mail-header-strip cte)))
2343 (if (and ctl (not (string-match "/" (car ctl))))
2345 (goto-char (point-max)))
2348 (narrow-to-region (point) (point-max))
2349 (when (and (eq mail-parse-charset 'gnus-decoded)
2350 (eq (mm-body-7-or-8) '8bit))
2351 ;; The text code could have been decoded.
2352 (setq charset mail-parse-charset))
2353 (when (and (or (not ctl)
2354 (equal (car ctl) "text/plain"))
2355 (not format)) ;; article with format will decode later.
2357 charset (and cte (intern (downcase
2358 (gnus-strip-whitespace cte))))
2361 (defun article-decode-encoded-words ()
2362 "Remove encoded-word encoding from headers."
2363 (let ((inhibit-point-motion-hooks t)
2364 (mail-parse-charset gnus-newsgroup-charset)
2365 (mail-parse-ignored-charsets
2366 (save-excursion (condition-case nil
2367 (set-buffer gnus-summary-buffer)
2369 gnus-newsgroup-ignored-charsets))
2370 (inhibit-read-only t))
2372 (article-narrow-to-head)
2373 (funcall gnus-decode-header-function (point-min) (point-max)))))
2375 (defun article-decode-group-name ()
2376 "Decode group names in `Newsgroups:'."
2377 (let ((inhibit-point-motion-hooks t)
2378 (inhibit-read-only t)
2379 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2380 (when (and (or gnus-group-name-charset-method-alist
2381 gnus-group-name-charset-group-alist)
2382 (gnus-buffer-live-p gnus-original-article-buffer))
2384 (article-narrow-to-head)
2385 (with-current-buffer gnus-original-article-buffer
2386 (goto-char (point-min)))
2387 (while (re-search-forward
2388 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2389 (replace-match (save-match-data
2390 (gnus-decode-newsgroups
2391 ;; XXX how to use data in article buffer?
2392 (with-current-buffer gnus-original-article-buffer
2394 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2397 gnus-newsgroup-name method))
2399 (goto-char (point-min))
2400 (with-current-buffer gnus-original-article-buffer
2401 (goto-char (point-min)))
2402 (while (re-search-forward
2403 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2404 (replace-match (save-match-data
2405 (gnus-decode-newsgroups
2406 ;; XXX how to use data in article buffer?
2407 (with-current-buffer gnus-original-article-buffer
2409 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2412 gnus-newsgroup-name method))
2415 (autoload 'idna-to-unicode "idna")
2417 (defun article-decode-idna-rhs ()
2418 "Decode IDNA strings in RHS in various headers in current buffer.
2419 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2420 Mail-Reply-To: and Mail-Followup-To:."
2423 (let ((inhibit-point-motion-hooks t)
2424 (inhibit-read-only t))
2425 (article-narrow-to-head)
2426 (goto-char (point-min))
2427 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2429 (when (save-match-data
2430 (and (setq ace (match-string 1))
2432 (and (re-search-backward "^[^ \t]" nil t)
2433 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2434 (setq unicode (idna-to-unicode ace))))
2435 (unless (string= ace unicode)
2436 (replace-match unicode nil nil nil 1)))))))))
2438 (defun article-de-quoted-unreadable (&optional force read-charset)
2439 "Translate a quoted-printable-encoded article.
2440 If FORCE, decode the article whether it is marked as quoted-printable
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"))
2451 (ctl (and ct (mail-header-parse-content-type ct))))
2452 (setq charset (and ctl
2453 (mail-content-type-get ctl 'charset)))
2454 (if (stringp charset)
2455 (setq charset (intern (downcase charset)))))))
2457 (setq charset (mm-read-coding-system "Charset: " charset)))
2459 (setq charset gnus-newsgroup-charset))
2461 (and type (let ((case-fold-search t))
2462 (string-match "quoted-printable" type))))
2464 (quoted-printable-decode-region
2465 (point) (point-max) (mm-charset-to-coding-system charset))))))
2467 (defun article-de-base64-unreadable (&optional force read-charset)
2468 "Translate a base64 article.
2469 If FORCE, decode the article whether it is marked as base64 not.
2470 If READ-CHARSET, ask for a coding system."
2471 (interactive (list 'force current-prefix-arg))
2473 (let ((inhibit-read-only t) type charset)
2474 (if (gnus-buffer-live-p gnus-original-article-buffer)
2475 (with-current-buffer gnus-original-article-buffer
2477 (gnus-fetch-field "content-transfer-encoding"))
2478 (let* ((ct (gnus-fetch-field "content-type"))
2479 (ctl (and ct (mail-header-parse-content-type ct))))
2480 (setq charset (and ctl
2481 (mail-content-type-get ctl 'charset)))
2482 (if (stringp charset)
2483 (setq charset (intern (downcase charset)))))))
2485 (setq charset (mm-read-coding-system "Charset: " charset)))
2487 (setq charset gnus-newsgroup-charset))
2489 (and type (let ((case-fold-search t))
2490 (string-match "base64" type))))
2493 (narrow-to-region (point) (point-max))
2494 (base64-decode-region (point-min) (point-max))
2495 (mm-decode-coding-region
2496 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2501 (defun article-decode-HZ ()
2502 "Translate a HZ-encoded article."
2506 (let ((inhibit-read-only t))
2507 (rfc1843-decode-region (point-min) (point-max)))))
2509 (defun article-unsplit-urls ()
2510 "Remove the newlines that some other mailers insert into URLs."
2513 (let ((inhibit-read-only t))
2514 (goto-char (point-min))
2515 (while (re-search-forward
2516 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2517 (replace-match "\\1\\3" t)))
2518 (when (interactive-p)
2519 (gnus-treat-article nil))))
2522 (defun article-wash-html (&optional read-charset)
2523 "Format an HTML article.
2524 If READ-CHARSET, ask for a coding system. If it is a number, the
2525 charset defined in `gnus-summary-show-article-charset-alist' is used."
2528 (let ((inhibit-read-only t)
2531 (if (or (and (numberp read-charset)
2535 gnus-summary-show-article-charset-alist))))
2536 (setq charset (mm-read-coding-system "Charset: ")))
2537 (let ((gnus-summary-show-article-charset-alist
2538 (list (cons 1 charset))))
2539 (with-current-buffer gnus-summary-buffer
2540 (gnus-summary-show-article 1)))
2541 (error "No charset is given"))
2542 (when (gnus-buffer-live-p gnus-original-article-buffer)
2543 (with-current-buffer gnus-original-article-buffer
2544 (let* ((ct (gnus-fetch-field "content-type"))
2545 (ctl (and ct (mail-header-parse-content-type ct))))
2546 (setq charset (and ctl
2547 (mail-content-type-get ctl 'charset)))
2548 (when (stringp charset)
2549 (setq charset (intern (downcase charset)))))))
2551 (setq charset gnus-newsgroup-charset)))
2553 (save-window-excursion
2555 (narrow-to-region (point) (point-max))
2556 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2557 (entry (assq func mm-text-html-washer-alist)))
2559 (setq func (cdr entry)))
2564 (apply (car func) (cdr func))))))))))
2566 (defun gnus-article-wash-html-with-w3 ()
2567 "Wash the current buffer with w3."
2569 (let ((w3-strict-width (window-width))
2570 (url-standalone-mode t)
2571 (url-gateway-unplugged t)
2572 (w3-honor-stylesheets nil))
2574 (w3-region (point-min) (point-max))
2577 (defun gnus-article-wash-html-with-w3m ()
2578 "Wash the current buffer with emacs-w3m."
2580 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2581 w3m-force-redisplay)
2582 (w3m-region (point-min) (point-max)))
2583 (when (and mm-inline-text-html-with-w3m-keymap
2584 (boundp 'w3m-minor-mode-map)
2586 (add-text-properties
2587 (point-min) (point-max)
2588 (list 'keymap w3m-minor-mode-map
2589 ;; Put the mark meaning this part was rendered by emacs-w3m.
2590 'mm-inline-text-html-with-w3m t))))
2592 (eval-when-compile (defvar charset)) ;; Bound by `article-wash-html'.
2594 (defun gnus-article-wash-html-with-w3m-standalone ()
2595 "Wash the current buffer with w3m."
2596 (if (mm-w3m-standalone-supports-m17n-p)
2598 (unless (mm-coding-system-p charset) ;; Bound by `article-wash-html'.
2600 (setq charset 'iso-8859-1))
2601 (let ((coding-system-for-write charset)
2602 (coding-system-for-read charset))
2603 (call-process-region
2604 (point-min) (point-max)
2605 "w3m" t t nil "-dump" "-T" "text/html"
2606 "-I" (symbol-name charset) "-O" (symbol-name charset))))
2607 (mm-inline-wash-with-stdin nil "w3m" "-dump" "-T" "text/html")))
2609 (defvar gnus-article-browse-html-temp nil
2610 "Temporary files created by `gnus-article-browse-html-parts'")
2612 (defvar gnus-article-browse-delete-temp 'ask
2613 "Defines how to deal with temporary files created by
2614 `gnus-article-browse-html-parts':
2615 Possible values: t: Delete
2616 ask: Ask before delete
2619 (defun gnus-article-browse-delete-temp-files ()
2620 "Delete temp-files created by `gnus-article-browse-html-parts'."
2621 (when (and gnus-article-browse-html-temp
2622 (or (and (equal gnus-article-browse-delete-temp 'ask)
2623 (y-or-n-p "Delete temporary files from showing HTML-mails? "))
2624 (eq gnus-article-browse-delete-temp t)))
2625 (dolist (tmp-file gnus-article-browse-html-temp)
2626 (when (file-exists-p tmp-file)
2627 (delete-file tmp-file)))
2628 (setq gnus-article-browse-html-temp nil)))
2630 (defun gnus-article-browse-html-parts (list)
2631 "View all \"text/html\" parts from LIST.
2632 Recurse into multiparts."
2633 ;; Internal function used by `gnus-article-browse-html-article'.
2635 ;; Find and show the html-parts.
2636 (dolist (handle list)
2637 ;; If HTML, show it:
2638 (when (listp handle)
2639 (cond ((and (bufferp (car handle))
2640 (string-match "text/html" (car (mm-handle-type handle))))
2641 (let ((tmp-file (mm-make-temp-file
2642 ;; Do we need to care for 8.3 filenames?
2643 "mm-" nil ".html")))
2644 (mm-save-part-to-file handle tmp-file)
2645 (add-to-list 'gnus-article-browse-html-temp tmp-file)
2646 (browse-url tmp-file)
2648 ;; If multipart, recurse
2649 ((and (stringp (car handle))
2650 (string-match "^multipart/" (car handle))
2653 (gnus-article-browse-html-parts handle))))))))
2656 ;; TODO: Key binding
2657 (defun gnus-article-browse-html-article ()
2658 "View \"text/html\" parts of the current article with a WWW browser."
2660 (save-window-excursion
2661 ;; Open raw article and select the buffer
2662 (gnus-summary-show-article t)
2663 (gnus-summary-select-article-buffer)
2664 (let ((parts (mm-dissect-buffer t t)))
2665 ;; If singlepart, enforce a list.
2666 (when (and (bufferp (car parts))
2667 (stringp (car (mm-handle-type parts))))
2668 (setq parts (list parts)))
2670 (unless (gnus-article-browse-html-parts parts)
2671 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
2672 (gnus-summary-show-article))))
2674 (defun article-hide-list-identifiers ()
2675 "Remove list identifies from the Subject header.
2676 The `gnus-list-identifiers' variable specifies what to do."
2678 (let ((inhibit-point-motion-hooks t)
2679 (regexp (if (consp gnus-list-identifiers)
2680 (mapconcat 'identity gnus-list-identifiers " *\\|")
2681 gnus-list-identifiers))
2682 (inhibit-read-only t))
2686 (article-narrow-to-head)
2687 (goto-char (point-min))
2688 (while (re-search-forward
2689 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2691 (delete-region (match-beginning 2) (match-end 0))
2692 (beginning-of-line))
2693 (when (re-search-forward
2694 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2695 (delete-region (match-beginning 1) (match-end 1))))))))
2697 (defun article-hide-pem (&optional arg)
2698 "Toggle hiding of any PEM headers and signatures in the current article.
2699 If given a negative prefix, always show; if given a positive prefix,
2701 (interactive (gnus-article-hidden-arg))
2702 (unless (gnus-article-check-hidden-text 'pem arg)
2704 (let ((inhibit-read-only t) end)
2705 (goto-char (point-min))
2706 ;; Hide the horrendously ugly "header".
2707 (when (and (search-forward
2708 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2710 (setq end (1+ (match-beginning 0))))
2711 (gnus-add-wash-type 'pem)
2712 (gnus-article-hide-text-type
2714 (if (search-forward "\n\n" nil t)
2718 ;; Hide the trailer as well
2719 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2721 (gnus-article-hide-text-type
2722 (match-beginning 0) (match-end 0) 'pem)))))))
2724 (defun article-strip-banner ()
2725 "Strip the banners specified by the `banner' group parameter and by
2726 `gnus-article-address-banner-alist'."
2730 (let ((inhibit-point-motion-hooks t))
2731 (when (gnus-parameter-banner gnus-newsgroup-name)
2732 (article-really-strip-banner
2733 (gnus-parameter-banner gnus-newsgroup-name)))
2734 (when gnus-article-address-banner-alist
2735 ;; Note that the From header is decoded here, so it is
2736 ;; required that the *-extract-address-components function
2737 ;; supports non-ASCII text.
2738 (let ((from (save-restriction
2740 (article-narrow-to-head)
2741 (mail-fetch-field "from"))))
2744 (cadr (funcall gnus-extract-address-components
2747 (dolist (pair gnus-article-address-banner-alist)
2748 (when (string-match (car pair) from)
2750 (article-really-strip-banner (cdr pair)))))))))))))
2752 (defun article-really-strip-banner (banner)
2753 "Strip the banner specified by the argument."
2756 (let ((inhibit-point-motion-hooks t)
2757 (gnus-signature-limit nil)
2758 (inhibit-read-only t))
2761 ((eq banner 'signature)
2762 (when (gnus-article-narrow-to-signature)
2765 (delete-region (point) (point-max))))
2767 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2768 (while (re-search-forward banner nil t)
2769 (delete-region (match-beginning 0) (match-end 0)))))
2771 (while (re-search-forward banner nil t)
2772 (delete-region (match-beginning 0) (match-end 0)))))))))
2774 (defun article-babel ()
2775 "Translate article using an online translation service."
2778 (gnus-with-article-buffer
2779 (when (article-goto-body)
2780 (let* ((start (point))
2782 (orig (buffer-substring start end))
2783 (trans (babel-as-string orig)))
2785 (narrow-to-region start end)
2786 (delete-region start end)
2789 (defun article-hide-signature (&optional arg)
2790 "Hide the signature in the current article.
2791 If given a negative prefix, always show; if given a positive prefix,
2793 (interactive (gnus-article-hidden-arg))
2794 (unless (gnus-article-check-hidden-text 'signature arg)
2797 (let ((inhibit-read-only t))
2798 (when (gnus-article-narrow-to-signature)
2799 (gnus-article-hide-text-type
2800 (point-min) (point-max) 'signature))))))
2801 (gnus-set-mode-line 'article))
2803 (defun article-strip-headers-in-body ()
2804 "Strip offensive headers from bodies."
2808 (let ((case-fold-search t))
2809 (when (looking-at "x-no-archive:")
2810 (gnus-delete-line)))))
2812 (defun article-strip-leading-blank-lines ()
2813 "Remove all blank lines from the beginning of the article."
2816 (let ((inhibit-point-motion-hooks t)
2817 (inhibit-read-only t))
2818 (when (article-goto-body)
2819 (while (and (not (eobp))
2820 (looking-at "[ \t]*$"))
2821 (gnus-delete-line))))))
2823 (defun article-narrow-to-head ()
2824 "Narrow the buffer to the head of the message.
2825 Point is left at the beginning of the narrowed-to region."
2827 (goto-char (point-min))
2828 (if (search-forward "\n\n" nil 1)
2831 (goto-char (point-min)))
2833 (defun article-goto-body ()
2834 "Place point at the start of the body."
2835 (goto-char (point-min))
2837 ;; This variable is only bound when dealing with separate
2839 (article-goto-body-goes-to-point-min-p
2841 ((search-forward "\n\n" nil t)
2844 (goto-char (point-max))
2847 (defun article-strip-multiple-blank-lines ()
2848 "Replace consecutive blank lines with one empty line."
2851 (let ((inhibit-point-motion-hooks t)
2852 (inhibit-read-only t))
2853 ;; First make all blank lines empty.
2855 (while (re-search-forward "^[ \t]+$" nil t)
2856 (unless (gnus-annotation-in-region-p
2857 (match-beginning 0) (match-end 0))
2858 (replace-match "" nil t)))
2859 ;; Then replace multiple empty lines with a single empty line.
2861 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2862 (unless (gnus-annotation-in-region-p
2863 (match-beginning 0) (match-end 0))
2864 (delete-region (match-beginning 1) (match-end 1)))))))
2866 (defun article-strip-leading-space ()
2867 "Remove all white space from the beginning of the lines in the article."
2870 (let ((inhibit-point-motion-hooks t)
2871 (inhibit-read-only t))
2873 (while (re-search-forward "^[ \t]+" nil t)
2874 (replace-match "" t t)))))
2876 (defun article-strip-trailing-space ()
2877 "Remove all white space from the end of the lines in the article."
2880 (let ((inhibit-point-motion-hooks t)
2881 (inhibit-read-only t))
2883 (while (re-search-forward "[ \t]+$" nil t)
2884 (replace-match "" t t)))))
2886 (defun article-strip-blank-lines ()
2887 "Strip leading, trailing and multiple blank lines."
2889 (article-strip-leading-blank-lines)
2890 (article-remove-trailing-blank-lines)
2891 (article-strip-multiple-blank-lines))
2893 (defun article-strip-all-blank-lines ()
2894 "Strip all blank lines."
2897 (let ((inhibit-point-motion-hooks t)
2898 (inhibit-read-only t))
2900 (while (re-search-forward "^[ \t]*\n" nil t)
2901 (replace-match "" t t)))))
2903 (defun gnus-article-narrow-to-signature ()
2904 "Narrow to the signature; return t if a signature is found, else nil."
2905 (let ((inhibit-point-motion-hooks t))
2906 (when (gnus-article-search-signature)
2908 ;; Check whether we have some limits to what we consider
2909 ;; to be a signature.
2910 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2911 (list gnus-signature-limit)))
2913 (while (setq limit (pop limits))
2914 (if (or (and (integerp limit)
2915 (< (- (point-max) (point)) limit))
2917 (< (count-lines (point) (point-max)) limit))
2918 (and (functionp limit)
2920 (and (stringp limit)
2921 (not (re-search-forward limit nil t))))
2922 () ; This limit did not succeed.
2926 (narrow-to-region (point) (point-max))
2929 (defun gnus-article-search-signature ()
2930 "Search the current buffer for the signature separator.
2931 Put point at the beginning of the signature separator."
2932 (let ((cur (point)))
2933 (goto-char (point-max))
2934 (if (if (stringp gnus-signature-separator)
2935 (re-search-backward gnus-signature-separator nil t)
2936 (let ((seps gnus-signature-separator))
2938 (not (re-search-backward (car seps) nil t)))
2945 (defun gnus-article-hidden-arg ()
2946 "Return the current prefix arg as a number, or 0 if no prefix."
2947 (list (if current-prefix-arg
2948 (prefix-numeric-value current-prefix-arg)
2951 (defun gnus-article-check-hidden-text (type arg)
2952 "Return nil if hiding is necessary.
2953 Arg can be nil or a number. nil and positive means hide, negative
2954 means show, 0 means toggle."
2957 (let ((hide (gnus-article-hidden-text-p type)))
2963 (gnus-article-show-hidden-text type)
2966 (if (eq hide 'hidden)
2968 (gnus-article-show-hidden-text type)
2972 (defun gnus-article-hidden-text-p (type)
2973 "Say whether the current buffer contains hidden text of type TYPE."
2974 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2976 (not (get-text-property pos 'invisible))
2977 (not (get-text-property pos 'dummy-invisible)))
2979 (text-property-any (1+ pos) (point-max) 'article-type type)))
2984 (defun gnus-article-show-hidden-text (type &optional dummy)
2985 "Show all hidden text of type TYPE.
2986 Originally it is hide instead of DUMMY."
2987 (let ((inhibit-read-only t)
2988 (inhibit-point-motion-hooks t))
2989 (gnus-remove-text-properties-when
2991 (point-min) (point-max)
2992 (cons 'article-type (cons type
2993 gnus-hidden-properties)))
2994 (gnus-delete-wash-type type)))
2996 (defconst article-time-units
2997 `((year . ,(* 365.25 24 60 60))
2998 (week . ,(* 7 24 60 60))
2999 (day . ,(* 24 60 60))
3003 "Mapping from time units to seconds.")
3005 (defun gnus-article-forward-header ()
3006 "Move point to the start of the next header.
3007 If the current header is a continuation header, this can be several
3012 (if (looking-at "[ \t]+[^ \t]")
3016 (defun article-date-ut (&optional type highlight)
3017 "Convert DATE date to universal time in the current article.
3018 If TYPE is `local', convert to local time; if it is `lapsed', output
3019 how much time has lapsed since DATE. For `lapsed', the value of
3020 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3021 should replace the \"Date:\" one, or should be added below it."
3022 (interactive (list 'ut t))
3023 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3024 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3028 (article-lapsed-timer
3032 (case-fold-search t)
3033 (inhibit-read-only t)
3034 (inhibit-point-motion-hooks t)
3035 pos date bface eface)
3039 (goto-char (point-min))
3040 (while (or (setq date (get-text-property (setq pos (point))
3042 (when (setq pos (next-single-property-change
3043 (point) 'original-date))
3044 (setq date (get-text-property pos 'original-date))
3046 (narrow-to-region pos (or (text-property-any pos (point-max)
3049 (goto-char (point-min))
3050 (when (re-search-forward tdate-regexp nil t)
3051 (setq bface (get-text-property (point-at-bol) 'face)
3052 eface (get-text-property (1- (point-at-eol)) 'face)))
3053 (goto-char (point-min))
3055 ;; Delete any old Date headers.
3056 (while (re-search-forward date-regexp nil t)
3058 (delete-region (point-at-bol) (progn
3059 (gnus-article-forward-header)
3061 (delete-region (point-at-bol) (progn
3062 (gnus-article-forward-header)
3065 (setq pos (point))))
3066 (when (and (not pos)
3067 (re-search-forward tdate-regexp nil t))
3069 (gnus-goto-char pos)
3070 (insert (article-make-date-line date (or type 'ut)))
3076 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3077 (put-text-property (match-beginning 1) (1+ (match-end 1))
3079 (put-text-property (match-beginning 2) (match-end 2)
3081 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3082 (goto-char (point-max))
3085 (defun article-make-date-line (date type)
3086 "Return a DATE line of TYPE."
3087 (unless (memq type '(local ut original user iso8601 lapsed english))
3088 (error "Unknown conversion type: %s" type))
3090 (let ((time (date-to-time date)))
3092 ;; Convert to the local timezone.
3094 (concat "Date: " (message-make-date time)))
3095 ;; Convert to Universal Time.
3100 (let* ((e (parse-time-string date))
3101 (tm (apply 'encode-time e))
3103 (ls (- (cadr tm) (car (current-time-zone time)))))
3104 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3105 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3109 ;; Get the original date from the article.
3110 ((eq type 'original)
3111 (concat "Date: " (if (string-match "\n+$" date)
3112 (substring date 0 (match-beginning 0))
3114 ;; Let the user define the format.
3116 (let ((format (or (condition-case nil
3117 (with-current-buffer gnus-summary-buffer
3118 gnus-article-time-format)
3120 gnus-article-time-format)))
3121 (if (functionp format)
3122 (funcall format time)
3123 (concat "Date: " (format-time-string format time)))))
3126 (let ((tz (car (current-time-zone time))))
3129 (format-time-string "%Y%m%dT%H%M%S" time)
3130 (format "%s%02d%02d"
3131 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3132 (/ (% (abs tz) 3600) 60)))))
3133 ;; Do an X-Sent lapsed format.
3135 ;; If the date is seriously mangled, the timezone functions are
3136 ;; liable to bug out, so we ignore all errors.
3137 (let* ((now (current-time))
3138 (real-time (subtract-time now time))
3139 (real-sec (and real-time
3140 (+ (* (float (car real-time)) 65536)
3142 (sec (and real-time (abs real-sec)))
3152 ;; This is a bit convoluted, but basically we go
3153 ;; through the time units for years, weeks, etc,
3154 ;; and divide things to see whether that results
3155 ;; in positive answers.
3158 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3159 ;; The (remaining) seconds are too few to
3160 ;; be divided into this time unit.
3162 ;; It's big enough, so we output it.
3163 (setq sec (- sec (* num (cdr unit))))
3165 (concat (if prev ", " "") (int-to-string
3167 " " (symbol-name (car unit))
3168 (if (> num 1) "s" ""))
3170 article-time-units "")
3171 ;; If dates are odd, then it might appear like the
3172 ;; article was sent in the future.
3175 " in the future"))))))
3176 ;; Display the date in proper English
3178 (let ((dtime (decode-time time)))
3181 (number-to-string (nth 3 dtime))
3182 (let ((digit (% (nth 3 dtime) 10)))
3184 ((memq (nth 3 dtime) '(11 12 13)) "th")
3190 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3192 (number-to-string (nth 5 dtime))
3194 (format "%02d" (nth 2 dtime))
3196 (format "%02d" (nth 1 dtime)))))))
3198 (format "Date: %s (from Gnus)" date))))
3200 (defun article-date-local (&optional highlight)
3201 "Convert the current article date to the local timezone."
3202 (interactive (list t))
3203 (article-date-ut 'local highlight))
3205 (defun article-date-english (&optional highlight)
3206 "Convert the current article date to something that is proper English."
3207 (interactive (list t))
3208 (article-date-ut 'english highlight))
3210 (defun article-date-original (&optional highlight)
3211 "Convert the current article date to what it was originally.
3212 This is only useful if you have used some other date conversion
3213 function and want to see what the date was before converting."
3214 (interactive (list t))
3215 (article-date-ut 'original highlight))
3217 (defun article-date-lapsed (&optional highlight)
3218 "Convert the current article date to time lapsed since it was sent."
3219 (interactive (list t))
3220 (article-date-ut 'lapsed highlight))
3222 (defun article-update-date-lapsed ()
3223 "Function to be run from a timer to update the lapsed time line."
3225 (let (deactivate-mark)
3230 (set-buffer (window-buffer w))
3231 (when (eq major-mode 'gnus-article-mode)
3232 (let ((mark (point-marker)))
3233 (goto-char (point-min))
3234 (when (re-search-forward "^X-Sent:" nil t)
3235 (article-date-lapsed t))
3236 (goto-char (marker-position mark))
3237 (move-marker mark nil))))
3240 (defun gnus-start-date-timer (&optional n)
3241 "Start a timer to update the X-Sent header in the article buffers.
3242 The numerical prefix says how frequently (in seconds) the function
3247 (gnus-stop-date-timer)
3248 (setq article-lapsed-timer
3249 (run-at-time 1 n 'article-update-date-lapsed)))
3251 (defun gnus-stop-date-timer ()
3252 "Stop the X-Sent timer."
3254 (when article-lapsed-timer
3255 (nnheader-cancel-timer article-lapsed-timer)
3256 (setq article-lapsed-timer nil)))
3258 (defun article-date-user (&optional highlight)
3259 "Convert the current article date to the user-defined format.
3260 This format is defined by the `gnus-article-time-format' variable."
3261 (interactive (list t))
3262 (article-date-ut 'user highlight))
3264 (defun article-date-iso8601 (&optional highlight)
3265 "Convert the current article date to ISO8601."
3266 (interactive (list t))
3267 (article-date-ut 'iso8601 highlight))
3269 (defmacro gnus-article-save-original-date (&rest forms)
3270 "Save the original date as a text property and evaluate FORMS."
3271 `(let* ((case-fold-search t)
3273 (goto-char (point-min))
3274 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3277 (date (when (and start
3278 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3280 (buffer-substring-no-properties start
3281 (match-beginning 0)))))
3282 (goto-char (point-max))
3283 (skip-chars-backward "\n")
3284 (put-text-property (point-min) (point) 'original-date date)
3286 (goto-char (point-max))
3287 (skip-chars-backward "\n")
3288 (put-text-property (point-min) (point) 'original-date date)))
3290 ;; (defun article-show-all ()
3291 ;; "Show all hidden text in the article buffer."
3294 ;; (let ((inhibit-read-only t))
3295 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3297 (defun article-remove-leading-whitespace ()
3298 "Remove excessive whitespace from all headers."
3302 (let ((inhibit-read-only t))
3303 (article-narrow-to-head)
3304 (goto-char (point-min))
3305 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3306 (delete-region (match-beginning 1) (match-end 1)))))))
3308 (defun article-emphasize (&optional arg)
3309 "Emphasize text according to `gnus-emphasis-alist'."
3310 (interactive (gnus-article-hidden-arg))
3311 (unless (gnus-article-check-hidden-text 'emphasis arg)
3315 (with-current-buffer gnus-summary-buffer
3316 gnus-article-emphasis-alist)
3318 gnus-emphasis-alist))
3319 (inhibit-read-only t)
3320 (props (append '(article-type emphasis)
3321 gnus-hidden-properties))
3322 regexp elem beg invisible visible face)
3325 (while (setq elem (pop alist))
3327 (setq regexp (car elem)
3328 invisible (nth 1 elem)
3329 visible (nth 2 elem)
3331 (while (re-search-forward regexp nil t)
3332 (when (and (match-beginning visible) (match-beginning invisible))
3333 (gnus-article-hide-text
3334 (match-beginning invisible) (match-end invisible) props)
3335 (gnus-article-unhide-text-type
3336 (match-beginning visible) (match-end visible) 'emphasis)
3337 (gnus-put-overlay-excluding-newlines
3338 (match-beginning visible) (match-end visible) 'face face)
3339 (gnus-add-wash-type 'emphasis)
3340 (goto-char (match-end invisible)))))))))
3342 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3343 "Setup newsgroup emphasis alist."
3344 (unless gnus-article-emphasis-alist
3345 (let ((name (and gnus-newsgroup-name
3346 (gnus-group-real-name gnus-newsgroup-name))))
3347 (make-local-variable 'gnus-article-emphasis-alist)
3348 (setq gnus-article-emphasis-alist
3350 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3351 (while (setq elem (pop alist))
3352 (when (and name (string-match (car elem) name))
3354 highlight (copy-sequence (cdr elem)))))
3356 (copy-sequence highlight-words)
3357 (if gnus-newsgroup-name
3358 (copy-sequence (gnus-group-find-parameter
3359 gnus-newsgroup-name 'highlight-words t)))
3360 gnus-emphasis-alist)))))
3363 (defvar gnus-summary-article-menu)
3364 (defvar gnus-summary-post-menu))
3366 ;;; Saving functions.
3368 (defun gnus-article-save (save-buffer file &optional num)
3369 "Save the currently selected article."
3370 (unless gnus-save-all-headers
3371 ;; Remove headers according to `gnus-saved-headers'.
3372 (let ((gnus-visible-headers
3373 (or gnus-saved-headers gnus-visible-headers))
3374 (gnus-article-buffer save-buffer))
3376 (set-buffer save-buffer)
3377 (article-hide-headers 1 t))))
3378 (save-window-excursion
3379 (if (not gnus-default-article-saver)
3380 (error "No default saver is defined")
3381 ;; !!! Magic! The saving functions all save
3382 ;; `gnus-save-article-buffer' (or so they think), but we
3383 ;; bind that variable to our save-buffer.
3384 (set-buffer gnus-article-buffer)
3385 (let* ((gnus-save-article-buffer save-buffer)
3388 ((not gnus-prompt-before-saving) 'default)
3389 ((eq gnus-prompt-before-saving 'always) nil)
3391 (gnus-number-of-articles-to-be-saved
3392 (when (eq gnus-prompt-before-saving t)
3394 (set-buffer gnus-article-current-summary)
3395 (funcall gnus-default-article-saver filename)))))
3397 (defun gnus-read-save-file-name (prompt &optional filename
3398 function group headers variable)
3400 (funcall function group headers (symbol-value variable)))
3405 ((eq filename 'default)
3411 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3414 (if (and gnus-number-of-articles-to-be-saved
3415 (> gnus-number-of-articles-to-be-saved 1))
3416 (format "these %d articles"
3417 gnus-number-of-articles-to-be-saved)
3420 ;; Let the split methods have their say.
3422 ;; No split name was found.
3425 (concat prompt " (default "
3426 (file-name-nondirectory default-name) "): ")
3427 (file-name-directory default-name)
3429 ;; A single group name is returned.
3430 ((stringp split-name)
3432 (funcall function split-name headers
3433 (symbol-value variable)))
3435 (concat prompt " (default "
3436 (file-name-nondirectory default-name) "): ")
3437 (file-name-directory default-name)
3439 ;; A single split name was found
3440 ((= 1 (length split-name))
3441 (let* ((name (expand-file-name
3443 gnus-article-save-directory))
3444 (dir (cond ((file-directory-p name)
3445 (file-name-as-directory name))
3446 ((file-exists-p name) name)
3447 (t gnus-article-save-directory))))
3449 (concat prompt " (default " name "): ")
3451 ;; A list of splits was found.
3453 (setq split-name (nreverse split-name))
3455 (let ((file-name-history
3456 (nconc split-name file-name-history)))
3460 (concat prompt " (`M-p' for defaults): ")
3461 gnus-article-save-directory
3463 gnus-article-save-directory)))
3464 (car (push result file-name-history)))))))
3465 ;; Create the directory.
3466 (gnus-make-directory (file-name-directory file))
3467 ;; If we have read a directory, we append the default file name.
3468 (when (file-directory-p file)
3469 (setq file (expand-file-name (file-name-nondirectory
3471 (file-name-as-directory file))))
3472 ;; Possibly translate some characters.
3473 (nnheader-translate-file-chars file))))))
3474 (gnus-make-directory (file-name-directory result))
3475 (set variable result)))
3477 (defun gnus-article-archive-name (group)
3478 "Return the first instance of an \"Archive-name\" in the current buffer."
3479 (let ((case-fold-search t))
3480 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3481 (nnheader-concat gnus-article-save-directory
3482 (match-string 1)))))
3484 (defun gnus-article-nndoc-name (group)
3485 "If GROUP is an nndoc group, return the name of the parent group."
3486 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3487 (gnus-group-get-parameter group 'save-article-group)))
3489 (defun gnus-summary-save-in-rmail (&optional filename)
3490 "Append this article to Rmail file.
3491 Optional argument FILENAME specifies file name.
3492 Directory to save to is default to `gnus-article-save-directory'."
3493 (setq filename (gnus-read-save-file-name
3494 "Save %s in rmail file" filename
3495 gnus-rmail-save-name gnus-newsgroup-name
3496 gnus-current-headers 'gnus-newsgroup-last-rmail))
3497 (gnus-eval-in-buffer-window gnus-save-article-buffer
3501 (gnus-output-to-rmail filename))))
3504 (defun gnus-summary-save-in-mail (&optional filename)
3505 "Append this article to Unix mail file.
3506 Optional argument FILENAME specifies file name.
3507 Directory to save to is default to `gnus-article-save-directory'."
3508 (setq filename (gnus-read-save-file-name
3509 "Save %s in Unix mail file" filename
3510 gnus-mail-save-name gnus-newsgroup-name
3511 gnus-current-headers 'gnus-newsgroup-last-mail))
3512 (gnus-eval-in-buffer-window gnus-save-article-buffer
3516 (if (and (file-readable-p filename)
3517 (file-regular-p filename)
3518 (mail-file-babyl-p filename))
3519 (rmail-output-to-rmail-file filename t)
3520 (gnus-output-to-mail filename)))))
3523 (defun gnus-summary-save-in-file (&optional filename overwrite)
3524 "Append this article to file.
3525 Optional argument FILENAME specifies file name.
3526 Directory to save to is default to `gnus-article-save-directory'."
3527 (setq filename (gnus-read-save-file-name
3528 "Save %s in file" filename
3529 gnus-file-save-name gnus-newsgroup-name
3530 gnus-current-headers 'gnus-newsgroup-last-file))
3531 (gnus-eval-in-buffer-window gnus-save-article-buffer
3535 (when (and overwrite
3536 (file-exists-p filename))
3537 (delete-file filename))
3538 (gnus-output-to-file filename))))
3541 (defun gnus-summary-write-to-file (&optional filename)
3542 "Write this article to a file, overwriting it if the file exists.
3543 Optional argument FILENAME specifies file name.
3544 The directory to save in defaults to `gnus-article-save-directory'."
3545 (gnus-summary-save-in-file nil t))
3547 (defun gnus-summary-save-body-in-file (&optional filename)
3548 "Append this article body to a file.
3549 Optional argument FILENAME specifies file name.
3550 The directory to save in defaults to `gnus-article-save-directory'."
3551 (setq filename (gnus-read-save-file-name
3552 "Save %s body in file" filename
3553 gnus-file-save-name gnus-newsgroup-name
3554 gnus-current-headers 'gnus-newsgroup-last-file))
3555 (gnus-eval-in-buffer-window gnus-save-article-buffer
3559 (when (article-goto-body)
3560 (narrow-to-region (point) (point-max)))
3561 (gnus-output-to-file filename))))
3564 (defun gnus-summary-save-in-pipe (&optional command)
3565 "Pipe this article to subprocess."
3567 (cond ((and (eq command 'default)
3568 gnus-last-shell-command)
3569 gnus-last-shell-command)
3574 "Shell command on %s: "
3575 (if (and gnus-number-of-articles-to-be-saved
3576 (> gnus-number-of-articles-to-be-saved 1))
3577 (format "these %d articles"
3578 gnus-number-of-articles-to-be-saved)
3580 gnus-last-shell-command))))
3581 (when (string-equal command "")
3582 (if gnus-last-shell-command
3583 (setq command gnus-last-shell-command)
3584 (error "A command is required")))
3585 (gnus-eval-in-buffer-window gnus-article-buffer
3588 (shell-command-on-region (point-min) (point-max) command nil)))
3589 (setq gnus-last-shell-command command))
3591 (defun gnus-summary-pipe-to-muttprint (&optional command)
3592 "Pipe this article to muttprint."
3593 (setq command (read-string
3594 "Print using command: " gnus-summary-muttprint-program
3595 nil gnus-summary-muttprint-program))
3596 (gnus-summary-save-in-pipe command))
3598 ;;; Article file names when saving.
3600 (defun gnus-capitalize-newsgroup (newsgroup)
3601 "Capitalize NEWSGROUP name."
3602 (when (not (zerop (length newsgroup)))
3603 (concat (char-to-string (upcase (aref newsgroup 0)))
3604 (substring newsgroup 1))))
3606 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3607 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3608 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3609 Otherwise, it is like ~/News/news/group/num."
3612 (concat (if (gnus-use-long-file-name 'not-save)
3613 (gnus-capitalize-newsgroup newsgroup)
3614 (gnus-newsgroup-directory-form newsgroup))
3615 "/" (int-to-string (mail-header-number headers)))
3616 gnus-article-save-directory)))
3618 (string-equal (file-name-directory default)
3619 (file-name-directory last-file))
3620 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3622 (or last-file default))))
3624 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3625 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3626 If variable `gnus-use-long-file-name' is non-nil, it is
3627 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3630 (concat (if (gnus-use-long-file-name 'not-save)
3632 (gnus-newsgroup-directory-form newsgroup))
3633 "/" (int-to-string (mail-header-number headers)))
3634 gnus-article-save-directory)))
3636 (string-equal (file-name-directory default)
3637 (file-name-directory last-file))
3638 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3640 (or last-file default))))
3642 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3643 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3644 If variable `gnus-use-long-file-name' is non-nil, it is
3645 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3648 (if (gnus-use-long-file-name 'not-save)
3651 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3653 gnus-article-save-directory)))
3655 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3656 "Generate file name from sender."
3657 (let ((from (mail-header-from headers)))
3659 (if (and from (string-match "\\([^ <]+\\)@" from))
3660 (match-string 1 from)
3662 gnus-article-save-directory)))
3664 (defun article-verify-x-pgp-sig ()
3667 (if (gnus-buffer-live-p gnus-original-article-buffer)
3668 (let ((sig (with-current-buffer gnus-original-article-buffer
3669 (gnus-fetch-field "X-PGP-Sig")))
3673 (mml2015-clear-verify-function))
3675 (insert-buffer-substring gnus-original-article-buffer)
3676 (setq items (split-string sig))
3677 (message-narrow-to-head)
3678 (let ((inhibit-point-motion-hooks t)
3679 (case-fold-search t))
3680 ;; Don't verify multiple headers.
3681 (setq headers (mapconcat (lambda (header)
3683 (mail-fetch-field header)
3685 (split-string (nth 1 items) ",") "")))
3686 (delete-region (point-min) (point-max))
3687 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3688 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3693 (if (looking-at "^-")
3696 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3697 (insert "Version: " (car items) "\n\n")
3698 (insert (mapconcat 'identity (cddr items) "\n"))
3699 (insert "\n-----END PGP SIGNATURE-----\n")
3700 (let ((mm-security-handle (list (format "multipart/signed"))))
3701 (mml2015-clean-buffer)
3702 (let ((coding-system-for-write (or gnus-newsgroup-charset
3704 (funcall (mml2015-clear-verify-function)))
3706 (or (mm-handle-multipart-ctl-parameter
3707 mm-security-handle 'gnus-details)
3708 (mm-handle-multipart-ctl-parameter
3709 mm-security-handle 'gnus-info)))))
3711 (let ((inhibit-read-only t) bface eface)
3713 (message-narrow-to-head)
3714 (goto-char (point-max))
3716 (setq bface (get-text-property (point-at-bol) 'face)
3717 eface (get-text-property (1- (point-at-eol)) 'face))
3718 (message-remove-header "X-Gnus-PGP-Verify")
3719 (if (re-search-forward "^X-PGP-Sig:" nil t)
3721 (goto-char (point-max)))
3722 (narrow-to-region (point) (point))
3723 (insert "X-Gnus-PGP-Verify: " info "\n")
3724 (goto-char (point-min))
3727 (if (not (looking-at "^[ \t]"))
3731 (goto-char (point-min))
3732 (when (looking-at "\\([^:]+\\): *")
3733 (put-text-property (match-beginning 1) (1+ (match-end 1))
3735 (put-text-property (match-end 0) (point-max)
3736 'face eface)))))))))
3738 (defun article-verify-cancel-lock ()
3739 "Verify Cancel-Lock header."
3741 (if (gnus-buffer-live-p gnus-original-article-buffer)
3742 (canlock-verify gnus-original-article-buffer)))
3749 (setq afunc (car func)
3752 gfunc (intern (format "gnus-%s" func))))
3754 (when (fboundp afunc)
3755 `(lambda (&optional interactive &rest args)
3756 ,(documentation afunc t)
3757 (interactive (list t))
3759 (set-buffer gnus-article-buffer)
3761 (call-interactively ',afunc)
3762 (apply ',afunc args))))))))
3763 '(article-hide-headers
3764 article-verify-x-pgp-sig
3765 article-verify-cancel-lock
3766 article-hide-boring-headers
3767 article-treat-overstrike
3768 article-treat-ansi-sequences
3769 article-fill-long-lines
3770 article-capitalize-sentences
3772 article-remove-leading-whitespace
3773 article-display-x-face
3774 article-display-face
3775 article-de-quoted-unreadable
3776 article-de-base64-unreadable
3779 article-unsplit-urls
3780 article-hide-list-identifiers
3781 article-strip-banner
3784 article-hide-signature
3785 article-strip-headers-in-body
3786 article-remove-trailing-blank-lines
3787 article-strip-leading-blank-lines
3788 article-strip-multiple-blank-lines
3789 article-strip-leading-space
3790 article-strip-trailing-space
3791 article-strip-blank-lines
3792 article-strip-all-blank-lines
3794 article-date-english
3795 article-date-iso8601
3796 article-date-original
3798 article-decode-mime-words
3799 article-decode-charset
3800 article-decode-encoded-words
3804 article-treat-dumbquotes
3805 article-normalize-headers
3806 ;; (article-show-all . gnus-article-show-all-headers)
3810 ;;; Gnus article mode
3813 (put 'gnus-article-mode 'mode-class 'special)
3815 (set-keymap-parent gnus-article-mode-map widget-keymap)
3817 (gnus-define-keys gnus-article-mode-map
3818 " " gnus-article-goto-next-page
3819 "\177" gnus-article-goto-prev-page
3820 [delete] gnus-article-goto-prev-page
3821 [backspace] gnus-article-goto-prev-page
3822 "\C-c^" gnus-article-refer-article
3823 "h" gnus-article-show-summary
3824 "s" gnus-article-show-summary
3825 "\C-c\C-m" gnus-article-mail
3826 "?" gnus-article-describe-briefly
3827 "e" gnus-summary-edit-article
3828 "<" beginning-of-buffer
3830 "\C-c\C-i" gnus-info-find-node
3832 "R" gnus-article-reply-with-original
3833 "F" gnus-article-followup-with-original
3834 "\C-hk" gnus-article-describe-key
3835 "\C-hc" gnus-article-describe-key-briefly
3837 "\C-d" gnus-article-read-summary-keys
3838 "\M-*" gnus-article-read-summary-keys
3839 "\M-#" gnus-article-read-summary-keys
3840 "\M-^" gnus-article-read-summary-keys
3841 "\M-g" gnus-article-read-summary-keys)
3843 (substitute-key-definition
3844 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3846 (defun gnus-article-make-menu-bar ()
3847 (unless (boundp 'gnus-article-commands-menu)
3848 (gnus-summary-make-menu-bar))
3849 (gnus-turn-off-edit-menu 'article)
3850 (unless (boundp 'gnus-article-article-menu)
3852 gnus-article-article-menu gnus-article-mode-map ""
3854 ["Scroll forwards" gnus-article-goto-next-page t]
3855 ["Scroll backwards" gnus-article-goto-prev-page t]
3856 ["Show summary" gnus-article-show-summary t]
3857 ["Fetch Message-ID at point" gnus-article-refer-article t]
3858 ["Mail to address at point" gnus-article-mail t]
3859 ["Send a bug report" gnus-bug t]))
3862 gnus-article-treatment-menu gnus-article-mode-map ""
3863 ;; Fixme: this should use :active (and maybe :visible).
3865 ["Hide headers" gnus-article-hide-headers t]
3866 ["Hide signature" gnus-article-hide-signature t]
3867 ["Hide citation" gnus-article-hide-citation t]
3868 ["Treat overstrike" gnus-article-treat-overstrike t]
3869 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3870 ["Remove carriage return" gnus-article-remove-cr t]
3871 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3872 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3873 ["Remove base64" gnus-article-de-base64-unreadable t]
3874 ["Treat html" gnus-article-wash-html t]
3875 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3876 ["Decode HZ" gnus-article-decode-HZ t]))
3878 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3880 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3882 (gnus-run-hooks 'gnus-article-menu-hook)))
3884 (defun gnus-article-mode ()
3885 "Major mode for displaying an article.
3887 All normal editing commands are switched off.
3889 The following commands are available in addition to all summary mode
3891 \\<gnus-article-mode-map>
3892 \\[gnus-article-next-page]\t Scroll the article one page forwards
3893 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3894 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3895 \\[gnus-article-show-summary]\t Display the summary buffer
3896 \\[gnus-article-mail]\t Send a reply to the address near point
3897 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3898 \\[gnus-info-find-node]\t Go to the Gnus info node"
3900 (kill-all-local-variables)
3901 (gnus-simplify-mode-line)
3902 (setq mode-name "Article")
3903 (setq major-mode 'gnus-article-mode)
3904 (make-local-variable 'minor-mode-alist)
3905 (use-local-map gnus-article-mode-map)
3906 (when (gnus-visual-p 'article-menu 'menu)
3907 (gnus-article-make-menu-bar)
3908 (when gnus-summary-tool-bar-map
3909 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3910 (gnus-update-format-specifications nil 'article-mode)
3911 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3912 (set (make-local-variable 'gnus-page-broken) nil)
3913 (make-local-variable 'gnus-button-marker-list)
3914 (make-local-variable 'gnus-article-current-summary)
3915 (make-local-variable 'gnus-article-mime-handles)
3916 (make-local-variable 'gnus-article-decoded-p)
3917 (make-local-variable 'gnus-article-mime-handle-alist)
3918 (make-local-variable 'gnus-article-wash-types)
3919 (make-local-variable 'gnus-article-image-alist)
3920 (make-local-variable 'gnus-article-charset)
3921 (make-local-variable 'gnus-article-ignored-charsets)
3922 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3923 (set (make-local-variable 'nobreak-char-display) nil)
3924 (gnus-set-default-directory)
3925 (buffer-disable-undo)
3926 (setq buffer-read-only t
3927 show-trailing-whitespace nil)
3928 (set-syntax-table gnus-article-mode-syntax-table)
3929 (mm-enable-multibyte)
3930 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3932 (defun gnus-article-setup-buffer ()
3933 "Initialize the article buffer."
3934 (let* ((name (if gnus-single-article-buffer "*Article*"
3935 (concat "*Article " gnus-newsgroup-name "*")))
3937 (progn (string-match "\\*Article" name)
3938 (concat " *Original Article"
3939 (substring name (match-end 0))))))
3940 (setq gnus-article-buffer name)
3941 (setq gnus-original-article-buffer original)
3942 (setq gnus-article-mime-handle-alist nil)
3943 ;; This might be a variable local to the summary buffer.
3944 (unless gnus-single-article-buffer
3946 (set-buffer gnus-summary-buffer)
3947 (setq gnus-article-buffer name)
3948 (setq gnus-original-article-buffer original)
3949 (gnus-set-global-variables)))
3950 (gnus-article-setup-highlight-words)
3951 ;; Init original article buffer.
3953 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3954 (mm-enable-multibyte)
3955 (setq major-mode 'gnus-original-article-mode)
3956 (make-local-variable 'gnus-original-article))
3957 (if (and (get-buffer name)
3958 (with-current-buffer name
3959 (if gnus-article-edit-mode
3960 (if (y-or-n-p "Article mode edit in progress; discard? ")
3962 (set-buffer-modified-p nil)
3963 (gnus-kill-buffer name)
3966 (error "Action aborted"))
3970 (set (make-local-variable 'gnus-article-edit-mode) nil)
3971 (when gnus-article-mime-handles
3972 (mm-destroy-parts gnus-article-mime-handles)
3973 (setq gnus-article-mime-handles nil))
3974 ;; Set it to nil in article-buffer!
3975 (setq gnus-article-mime-handle-alist nil)
3976 (buffer-disable-undo)
3977 (setq buffer-read-only t)
3978 ;; This list just keeps growing if we don't reset it.
3979 (setq gnus-button-marker-list nil)
3980 (unless (eq major-mode 'gnus-article-mode)
3981 (gnus-article-mode))
3984 (set-buffer (gnus-get-buffer-create name))
3986 (make-local-variable 'gnus-summary-buffer)
3987 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3988 (current-buffer)))))
3990 ;; Set article window start at LINE, where LINE is the number of lines
3991 ;; from the head of the article.
3992 (defun gnus-article-set-window-start (&optional line)
3994 (gnus-get-buffer-window gnus-article-buffer t)
3996 (set-buffer gnus-article-buffer)
3997 (goto-char (point-min))
4000 (gnus-message 6 "Moved to bookmark")
4001 (search-forward "\n\n" nil t)
4005 (defun gnus-article-prepare (article &optional all-headers header)
4006 "Prepare ARTICLE in article mode buffer.
4007 ARTICLE should either be an article number or a Message-ID.
4008 If ARTICLE is an id, HEADER should be the article headers.
4009 If ALL-HEADERS is non-nil, no headers are hidden."
4011 ;; Make sure we start in a summary buffer.
4012 (unless (eq major-mode 'gnus-summary-mode)
4013 (set-buffer gnus-summary-buffer))
4014 (setq gnus-summary-buffer (current-buffer))
4015 (let* ((gnus-article (if header (mail-header-number header) article))
4016 (summary-buffer (current-buffer))
4017 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4018 (group gnus-newsgroup-name)
4021 (gnus-article-setup-buffer)
4022 (set-buffer gnus-article-buffer)
4023 ;; Deactivate active regions.
4024 (when (and (boundp 'transient-mark-mode)
4025 transient-mark-mode)
4026 (setq mark-active nil))
4027 (if (not (setq result (let ((inhibit-read-only t))
4028 (gnus-request-article-this-buffer
4030 ;; There is no such article.
4032 (when (and (numberp article)
4033 (not (memq article gnus-newsgroup-sparse)))
4034 (setq gnus-article-current
4035 (cons gnus-newsgroup-name article))
4036 (set-buffer gnus-summary-buffer)
4037 (setq gnus-current-article article)
4038 (if (and (memq article gnus-newsgroup-undownloaded)
4039 (not (gnus-online (gnus-find-method-for-group
4040 gnus-newsgroup-name))))
4042 (gnus-summary-set-agent-mark article)
4043 (message "Message marked for downloading"))
4044 (gnus-summary-mark-article article gnus-canceled-mark)
4045 (unless (memq article gnus-newsgroup-sparse)
4046 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4047 (if (or (eq result 'pseudo)
4048 (eq result 'nneething))
4051 (set-buffer summary-buffer)
4052 (push article gnus-newsgroup-history)
4053 (setq gnus-last-article gnus-current-article
4054 gnus-current-article 0
4055 gnus-current-headers nil
4056 gnus-article-current nil)
4057 (if (eq result 'nneething)
4058 (gnus-configure-windows 'summary)
4059 (gnus-configure-windows 'article))
4060 (gnus-set-global-variables))
4061 (let ((gnus-article-mime-handle-alist-1
4062 gnus-article-mime-handle-alist))
4063 (gnus-set-mode-line 'article)))
4064 ;; The result from the `request' was an actual article -
4065 ;; or at least some text that is now displayed in the
4067 (when (and (numberp article)
4068 (not (eq article gnus-current-article)))
4069 ;; Seems like a new article has been selected.
4070 ;; `gnus-current-article' must be an article number.
4072 (set-buffer summary-buffer)
4073 (push article gnus-newsgroup-history)
4074 (setq gnus-last-article gnus-current-article
4075 gnus-current-article article
4076 gnus-current-headers
4077 (gnus-summary-article-header gnus-current-article)
4078 gnus-article-current
4079 (cons gnus-newsgroup-name gnus-current-article))
4080 (unless (vectorp gnus-current-headers)
4081 (setq gnus-current-headers nil))
4082 (gnus-summary-goto-subject gnus-current-article)
4083 (when (gnus-summary-show-thread)
4084 ;; If the summary buffer really was folded, the
4085 ;; previous goto may not actually have gone to
4086 ;; the right article, but the thread root instead.
4088 (gnus-summary-goto-subject gnus-current-article))
4089 (gnus-run-hooks 'gnus-mark-article-hook)
4090 (gnus-set-mode-line 'summary)
4091 (when (gnus-visual-p 'article-highlight 'highlight)
4092 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4093 ;; Set the global newsgroup variables here.
4094 (gnus-set-global-variables)
4095 (setq gnus-have-all-headers
4096 (or all-headers gnus-show-all-headers))))
4098 (gnus-configure-windows 'article))
4099 (when (or (numberp article)
4101 (gnus-article-prepare-display)
4103 (goto-char (point-min))
4104 (when gnus-break-pages
4105 (gnus-narrow-to-page)))
4106 (let ((gnus-article-mime-handle-alist-1
4107 gnus-article-mime-handle-alist))
4108 (gnus-set-mode-line 'article))
4112 (set-window-point (get-buffer-window (current-buffer)) (point))
4113 (gnus-configure-windows 'article)
4117 (defun gnus-article-prepare-display ()
4118 "Make the current buffer look like a nice article."
4119 ;; Hooks for getting information from the article.
4120 ;; This hook must be called before being narrowed.
4121 (let ((gnus-article-buffer (current-buffer))
4123 (inhibit-read-only t))
4124 (unless (eq major-mode 'gnus-article-mode)
4125 (gnus-article-mode))
4126 (setq buffer-read-only nil
4127 gnus-article-wash-types nil
4128 gnus-article-image-alist nil)
4129 (gnus-run-hooks 'gnus-tmp-internal-hook)
4130 (when gnus-display-mime-function
4131 (funcall gnus-display-mime-function))
4132 (gnus-run-hooks 'gnus-article-prepare-hook)))
4135 ;;; Gnus MIME viewing functions
4138 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4139 "Format of the MIME buttons.
4141 Valid specifiers include:
4143 %T MIME type, along with additional info
4144 %n The `name' parameter
4145 %d The description, if any
4146 %l The length of the encoded part
4147 %p The part identifier number
4148 %e Dots if the part isn't displayed
4150 General format specifiers can also be used. See Info node
4151 `(gnus)Formatting Variables'.")
4153 (defvar gnus-mime-button-line-format-alist
4154 '((?t gnus-tmp-type ?s)
4155 (?T gnus-tmp-type-long ?s)
4156 (?n gnus-tmp-name ?s)
4157 (?d gnus-tmp-description ?s)
4159 (?l gnus-tmp-length ?d)
4160 (?e gnus-tmp-dots ?s)))
4162 (defvar gnus-mime-button-commands
4163 '((gnus-article-press-button "\r" "Toggle Display")
4164 (gnus-mime-view-part "v" "View Interactively...")
4165 (gnus-mime-view-part-as-type "t" "View As Type...")
4166 (gnus-mime-view-part-as-charset "C" "View As charset...")
4167 (gnus-mime-save-part "o" "Save...")
4168 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4169 (gnus-mime-replace-part "r" "Replace part")
4170 (gnus-mime-delete-part "d" "Delete part")
4171 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4172 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4173 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4174 (gnus-mime-view-part-externally "e" "View Externally")
4175 (gnus-mime-print-part "p" "Print")
4176 (gnus-mime-pipe-part "|" "Pipe To Command...")
4177 (gnus-mime-action-on-part "." "Take action on the part...")))
4179 (defun gnus-article-mime-part-status ()
4180 (if gnus-article-mime-handle-alist-1
4181 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4183 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4186 (defvar gnus-mime-button-map
4187 (let ((map (make-sparse-keymap)))
4188 (define-key map gnus-mouse-2 'gnus-article-push-button)
4189 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4190 (dolist (c gnus-mime-button-commands)
4191 (define-key map (cadr c) (car c)))
4195 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4197 ,@(mapcar (lambda (c)
4198 (vector (caddr c) (car c) :enable t))
4199 gnus-mime-button-commands)))
4201 (defun gnus-mime-button-menu (event prefix)
4202 "Construct a context-sensitive menu of MIME commands."
4203 (interactive "e\nP")
4204 (save-window-excursion
4205 (let ((pos (event-start event)))
4206 (select-window (posn-window pos))
4207 (goto-char (posn-point pos))
4208 (gnus-article-check-buffer)
4209 (popup-menu gnus-mime-button-menu nil prefix))))
4211 (defun gnus-mime-view-all-parts (&optional handles)
4212 "View all the MIME parts."
4214 (with-current-buffer gnus-article-buffer
4215 (let ((handles (or handles gnus-article-mime-handles))
4216 (mail-parse-charset gnus-newsgroup-charset)
4217 (mail-parse-ignored-charsets
4218 (with-current-buffer gnus-summary-buffer
4219 gnus-newsgroup-ignored-charsets)))
4221 (mm-remove-parts handles)
4222 (goto-char (point-min))
4223 (or (search-forward "\n\n") (goto-char (point-max)))
4224 (let ((inhibit-read-only t))
4225 (delete-region (point) (point-max))
4226 (mm-display-parts handles))))))
4228 (defun gnus-article-jump-to-part (n)
4229 "Jump to MIME part N."
4231 (pop-to-buffer gnus-article-buffer)
4232 ;; FIXME: why is it necessary?
4234 (let ((parts (length gnus-article-mime-handle-alist)))
4237 (read-string ;; Emacs 21 doesn't have `read-number'.
4238 (format "Jump to part (2..%s): " parts)))))
4239 (unless (and (integerp n) (<= n parts) (>= n 1))
4242 (gnus-message 7 "Invalid part `%s', using %s instead."
4245 (gnus-message 9 "Jumping to part %s." n)
4246 (cond ((>= gnus-auto-select-part 1)
4247 (while (and (<= n parts)
4248 (not (gnus-article-goto-part n)))
4250 ((< gnus-auto-select-part 0)
4251 (while (and (>= n 1)
4252 (not (gnus-article-goto-part n)))
4255 (gnus-article-goto-part n)))))
4258 (defsubst gnus-article-edit-part (handles &optional current-id)
4259 "Edit an article in order to delete a mime part.
4260 This function is exclusively used by `gnus-mime-save-part-and-strip'
4261 and `gnus-mime-delete-part', and not provided at run-time normally."
4262 (gnus-article-edit-article
4264 (buffer-disable-undo)
4266 (let ((mail-parse-charset (or gnus-article-charset
4267 ',gnus-newsgroup-charset))
4268 (mail-parse-ignored-charsets
4269 (or gnus-article-ignored-charsets
4270 ',gnus-newsgroup-ignored-charsets))
4271 (mbl mml-buffer-list))
4272 (setq mml-buffer-list nil)
4273 (insert-buffer-substring gnus-original-article-buffer)
4274 (mime-to-mml ',handles)
4275 (setq gnus-article-mime-handles nil)
4276 (let ((mbl1 mml-buffer-list))
4277 (setq mml-buffer-list mbl)
4278 (set (make-local-variable 'mml-buffer-list) mbl1))
4279 (gnus-make-local-hook 'kill-buffer-hook)
4280 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4281 `(lambda (no-highlight)
4282 (let ((mail-parse-charset (or gnus-article-charset
4283 ',gnus-newsgroup-charset))
4284 (message-options message-options)
4285 (message-options-set-recipient)
4286 (mail-parse-ignored-charsets
4287 (or gnus-article-ignored-charsets
4288 ',gnus-newsgroup-ignored-charsets)))
4290 (mml-destroy-buffers)
4291 (remove-hook 'kill-buffer-hook
4292 'mml-destroy-buffers t)
4293 (kill-local-variable 'mml-buffer-list))
4294 (gnus-summary-edit-article-done
4295 ,(or (mail-header-references gnus-current-headers) "")
4296 ,(gnus-group-read-only-p)
4297 ,gnus-summary-buffer no-highlight))
4299 (gnus-article-edit-done)
4300 (gnus-summary-expand-window)
4301 (gnus-summary-show-article)
4302 (when (and current-id (integerp gnus-auto-select-part))
4303 (gnus-article-jump-to-part
4304 (+ current-id gnus-auto-select-part)))))
4306 (defun gnus-mime-replace-part (file)
4307 "Replace MIME part under point with an external body."
4308 ;; Useful if file has already been saved to disk
4312 (read-file-name "Replace MIME part with file: "
4313 (or mm-default-directory default-directory)
4315 (gnus-mime-save-part-and-strip file))
4317 (defun gnus-mime-save-part-and-strip (&optional file)
4318 "Save the MIME part under point then replace it with an external body.
4319 If FILE is given, use it for the external part."
4321 (gnus-article-check-buffer)
4322 (when (gnus-group-read-only-p)
4323 (error "The current group does not support deleting of parts"))
4324 (when (mm-complicated-handles gnus-article-mime-handles)
4326 The current article has a complicated MIME structure, giving up..."))
4327 (let* ((data (get-text-property (point) 'gnus-data))
4328 (id (get-text-property (point) 'gnus-part))
4330 (handles gnus-article-mime-handles))
4333 (and data (mm-save-part data "Delete MIME part and save to: "))))
4335 (with-current-buffer (mm-handle-buffer data)
4337 (insert "Content-Type: " (mm-handle-media-type data))
4338 (mml-insert-parameter-string (cdr (mm-handle-type data))
4341 (insert "Content-ID: " (message-make-message-id) "\n")
4342 (insert "Content-Transfer-Encoding: binary\n")
4345 (cdr (mm-make-handle nil
4346 `("message/external-body"
4347 (access-type . "LOCAL-FILE")
4349 ;; (set-buffer gnus-summary-buffer)
4350 (gnus-article-edit-part handles id))))
4352 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4353 ;; parts...>') but with stripping would be nice.
4355 (defun gnus-mime-delete-part ()
4356 "Delete the MIME part under point.
4357 Replace it with some information about the removed part."
4359 (gnus-article-check-buffer)
4360 (when (gnus-group-read-only-p)
4361 (error "The current group does not support deleting of parts"))
4362 (when (mm-complicated-handles gnus-article-mime-handles)
4364 The current article has a complicated MIME structure, giving up..."))
4365 (when (or gnus-expert-user
4366 (gnus-yes-or-no-p "\
4367 Deleting parts may malfunction or destroy the article; continue? "))
4368 (let* ((data (get-text-property (point) 'gnus-data))
4369 (id (get-text-property (point) 'gnus-part))
4370 (handles gnus-article-mime-handles)
4374 (mail-decode-encoded-word-string (or (mm-handle-description data)
4377 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4379 (type (mm-handle-media-type data)))
4381 (error "No MIME part under point"))
4382 (with-current-buffer (mm-handle-buffer data)
4383 (let ((bsize (format "%s" (buffer-size))))
4388 "| The following attachment has been deleted:\n"
4390 "| Type: " type "\n"
4391 "| Filename: " filename "\n"
4392 "| Size (encoded): " bsize " Byte\n"
4393 "| Description: " description "\n"
4396 (cdr (mm-make-handle
4397 nil `("text/plain") nil nil
4399 (format "Deleted attachment (%s bytes)" bsize))))))
4400 ;; (set-buffer gnus-summary-buffer)
4401 (gnus-article-edit-part handles id))))
4403 (defun gnus-mime-save-part ()
4404 "Save the MIME part under point."
4406 (gnus-article-check-buffer)
4407 (let ((data (get-text-property (point) 'gnus-data)))
4409 (mm-save-part data))))
4411 (defun gnus-mime-pipe-part ()
4412 "Pipe the MIME part under point to a process."
4414 (gnus-article-check-buffer)
4415 (let ((data (get-text-property (point) 'gnus-data)))
4417 (mm-pipe-part data))))
4419 (defun gnus-mime-view-part ()
4420 "Interactively choose a viewing method for the MIME part under point."
4422 (gnus-article-check-buffer)
4423 (let ((data (get-text-property (point) 'gnus-data)))
4425 (setq gnus-article-mime-handles
4427 gnus-article-mime-handles (setq data (copy-sequence data))))
4428 (mm-interactively-view-part data))))
4430 (defun gnus-mime-view-part-as-type-internal ()
4431 (gnus-article-check-buffer)
4432 (let* ((handle (get-text-property (point) 'gnus-data))
4434 ;; Content-Type: foo/bar; name=...
4435 (mail-content-type-get (mm-handle-type handle) 'name)
4436 ;; Content-Disposition: attachment; filename=...
4437 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4438 (def-type (and name (mm-default-file-encoding name))))
4439 (and def-type (cons def-type 0))))
4441 (defun gnus-mime-view-part-as-type (&optional mime-type)
4442 "Choose a MIME media type, and view the part as such."
4446 (let ((default (gnus-mime-view-part-as-type-internal)))
4448 (format "View as MIME type (default %s): "
4450 (mapcar #'list (mailcap-mime-types))
4453 (gnus-article-check-buffer)
4454 (let ((handle (get-text-property (point) 'gnus-data)))
4457 (mm-make-handle (mm-handle-buffer handle)
4458 (cons mime-type (cdr (mm-handle-type handle)))
4459 (mm-handle-encoding handle)
4460 (mm-handle-undisplayer handle)
4461 (mm-handle-disposition handle)
4462 (mm-handle-description handle)
4464 (mm-handle-id handle)))
4465 (setq gnus-article-mime-handles
4466 (mm-merge-handles gnus-article-mime-handles handle))
4467 (gnus-mm-display-part handle))))
4469 (defun gnus-mime-copy-part (&optional handle arg)
4470 "Put the MIME part under point into a new buffer.
4471 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4473 (interactive (list nil current-prefix-arg))
4474 (gnus-article-check-buffer)
4476 (setq handle (get-text-property (point) 'gnus-data)))
4478 (let ((filename (or (mail-content-type-get (mm-handle-disposition handle)
4480 (mail-content-type-get (mm-handle-disposition handle)
4482 contents dont-decode charset coding-system)
4483 (mm-with-unibyte-buffer
4484 (mm-insert-part handle)
4485 (setq contents (or (condition-case nil
4486 (mm-decompress-buffer filename nil 'sig)
4488 (setq dont-decode t)
4491 (setq filename (cond (filename (file-name-nondirectory filename))
4492 (dont-decode "*raw data*")
4497 (unless (setq charset (mail-content-type-get
4498 (mm-handle-type handle) 'charset))
4499 (unless (setq coding-system (mm-with-unibyte-buffer
4501 (mm-find-buffer-file-coding-system)))
4502 (setq charset gnus-newsgroup-charset))))
4504 (setq charset (or (cdr (assq arg
4505 gnus-summary-show-article-charset-alist))
4506 (mm-read-coding-system "Charset: ")))))
4507 (switch-to-buffer (generate-new-buffer filename))
4508 (if (or coding-system
4510 (setq coding-system (mm-charset-to-coding-system charset))
4511 (not (eq charset 'ascii))))
4513 (mm-enable-multibyte)
4514 (insert (mm-decode-coding-string contents coding-system))
4515 (setq buffer-file-coding-system
4516 (if (boundp 'last-coding-system-used)
4517 (symbol-value 'last-coding-system-used)
4519 (mm-disable-multibyte)
4521 (setq buffer-file-coding-system mm-binary-coding-system))
4522 ;; We do it this way to make `normal-mode' set the appropriate mode.
4525 (setq buffer-file-name (expand-file-name filename))
4527 (setq buffer-file-name nil))
4528 (goto-char (point-min)))))
4530 (defun gnus-mime-print-part (&optional handle filename)
4531 "Print the MIME part under point."
4532 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4533 (gnus-article-check-buffer)
4534 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4535 (contents (and handle (mm-get-part handle)))
4536 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4537 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4542 (mm-save-part-to-file handle file)
4543 (call-process shell-file-name nil
4544 (generate-new-buffer " *mm*")
4546 shell-command-switch
4548 printer file (mm-handle-type handle))))
4552 (gnus-print-buffer))
4553 (ps-despool filename)))))
4555 (defun gnus-mime-inline-part (&optional handle arg)
4556 "Insert the MIME part under point into the current buffer.
4557 Compressed files like .gz and .bz2 are decompressed."
4558 (interactive (list nil current-prefix-arg))
4559 (gnus-article-check-buffer)
4561 (setq handle (get-text-property (point) 'gnus-data)))
4564 (inhibit-read-only t)
4565 contents charset coding-system)
4566 (if (and (not arg) (mm-handle-undisplayer handle))
4567 (mm-remove-part handle)
4568 (mm-with-unibyte-buffer
4569 (mm-insert-part handle)
4571 (or (mm-decompress-buffer
4572 (or (mail-content-type-get (mm-handle-disposition handle)
4574 (mail-content-type-get (mm-handle-disposition handle)
4580 (unless (setq charset (mail-content-type-get
4581 (mm-handle-type handle) 'charset))
4582 (unless (setq coding-system
4583 (mm-with-unibyte-buffer
4585 (mm-find-buffer-file-coding-system)))
4586 (setq charset gnus-newsgroup-charset))))
4588 (if (mm-handle-undisplayer handle)
4589 (mm-remove-part handle))
4592 gnus-summary-show-article-charset-alist))
4593 (mm-read-coding-system "Charset: "))))
4595 (if (mm-handle-undisplayer handle)
4596 (mm-remove-part handle))))
4600 (if (or coding-system
4603 (mm-charset-to-coding-system charset))
4604 (not (eq coding-system 'ascii))))
4605 (mm-decode-coding-string contents coding-system)
4606 (mm-string-to-multibyte contents)))
4609 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4610 "Insert the MIME part under point into the current buffer using the
4612 (interactive (list nil current-prefix-arg))
4613 (gnus-article-check-buffer)
4614 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4617 (inhibit-read-only t))
4619 (if (mm-handle-undisplayer handle)
4620 (mm-remove-part handle))
4621 (let ((gnus-newsgroup-charset
4623 gnus-summary-show-article-charset-alist))
4624 (mm-read-coding-system "Charset: ")))
4625 (gnus-newsgroup-ignored-charsets 'gnus-all))
4626 (gnus-article-press-button)))))
4628 (defun gnus-mime-view-part-externally (&optional handle)
4629 "View the MIME part under point with an external viewer."
4631 (gnus-article-check-buffer)
4632 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4633 (mm-user-display-methods nil)
4634 (mm-inlined-types nil)
4635 (mail-parse-charset gnus-newsgroup-charset)
4636 (mail-parse-ignored-charsets
4637 (with-current-buffer gnus-summary-buffer
4638 gnus-newsgroup-ignored-charsets)))
4640 (if (mm-handle-undisplayer handle)
4641 (mm-remove-part handle)
4642 (mm-display-part handle)))))
4644 (defun gnus-mime-view-part-internally (&optional handle)
4645 "View the MIME part under point with an internal viewer.
4646 If no internal viewer is available, use an external viewer."
4648 (gnus-article-check-buffer)
4649 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4650 (mm-inlined-types '(".*"))
4651 (mm-inline-large-images t)
4652 (mail-parse-charset gnus-newsgroup-charset)
4653 (mail-parse-ignored-charsets
4654 (with-current-buffer gnus-summary-buffer
4655 gnus-newsgroup-ignored-charsets))
4656 (inhibit-read-only t))
4658 (if (mm-handle-undisplayer handle)
4659 (mm-remove-part handle)
4660 (mm-display-part handle)))))
4662 (defun gnus-mime-action-on-part (&optional action)
4663 "Do something with the MIME attachment at \(point\)."
4665 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4666 (gnus-article-check-buffer)
4667 (let ((action-pair (assoc action gnus-mime-action-alist)))
4669 (funcall (cdr action-pair)))))
4671 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
4672 "Call FUNCTION on MIME part N.
4673 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
4674 If INTERACTIVE, call FUNCTION interactivly."
4676 ;; Check whether the article is displayed.
4677 (unless (and (gnus-buffer-live-p gnus-article-buffer)
4678 (setq window (get-buffer-window gnus-article-buffer t))
4679 (frame-visible-p (setq frame (window-frame window))))
4680 (error "No article is displayed"))
4681 (with-current-buffer gnus-article-buffer
4682 ;; Check whether the article displays the right contents.
4683 (unless (with-current-buffer gnus-summary-buffer
4684 (eq gnus-current-article (gnus-summary-article-number)))
4685 (error "You should select the right article first"))
4686 ;; Check whether the specified part exists.
4687 (when (> n (length gnus-article-mime-handle-alist))
4688 (error "No such part")))
4691 ;; To select the window is needed so that the cursor
4692 ;; might be visible on the MIME button.
4693 (select-window (prog1
4695 (setq window (selected-window))
4696 ;; Article may be displayed in the other frame.
4697 (gnus-select-frame-set-input-focus
4700 (setq frame (selected-frame))))))
4701 (when (gnus-article-goto-part n)
4702 ;; We point the cursor and the arrow at the MIME button
4703 ;; when the `function' prompt the user for something.
4704 (let ((cursor-in-non-selected-windows t)
4705 (overlay-arrow-string "=>")
4706 (overlay-arrow-position (point-marker)))
4709 ((and no-handle interactive)
4710 (call-interactively function))
4716 (cdr (assq n gnus-article-mime-handle-alist))))
4719 (cdr (assq n gnus-article-mime-handle-alist)))))
4720 (set-marker overlay-arrow-position nil)
4721 (unless gnus-auto-select-part
4722 (gnus-select-frame-set-input-focus frame)
4723 (select-window window))))
4725 (if gnus-inhibit-mime-unbuttonizing
4726 ;; This is the default though the program shouldn't reach here.
4727 (error "No such part")
4728 ;; The part which doesn't have the MIME button is selected.
4729 ;; So, we display all the buttons and redo it.
4730 (let ((gnus-inhibit-mime-unbuttonizing t))
4731 (gnus-summary-show-article)
4732 (gnus-article-part-wrapper n function no-handle))))))
4734 (defun gnus-article-pipe-part (n)
4735 "Pipe MIME part N, which is the numerical prefix."
4737 (gnus-article-part-wrapper n 'mm-pipe-part))
4739 (defun gnus-article-save-part (n)
4740 "Save MIME part N, which is the numerical prefix."
4742 (gnus-article-part-wrapper n 'mm-save-part))
4744 (defun gnus-article-interactively-view-part (n)
4745 "View MIME part N interactively, which is the numerical prefix."
4747 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4749 (defun gnus-article-copy-part (n)
4750 "Copy MIME part N, which is the numerical prefix."
4752 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4754 (defun gnus-article-view-part-as-charset (n)
4755 "View MIME part N using a specified charset.
4756 N is the numerical prefix."
4758 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4760 (defun gnus-article-view-part-externally (n)
4761 "View MIME part N externally, which is the numerical prefix."
4763 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4765 (defun gnus-article-inline-part (n)
4766 "Inline MIME part N, which is the numerical prefix."
4768 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4770 (defun gnus-article-save-part-and-strip (n)
4771 "Save MIME part N and replace it with an external body.
4772 N is the numerical prefix."
4774 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
4776 (defun gnus-article-replace-part (n)
4777 "Replace MIME part N with an external body.
4778 N is the numerical prefix."
4780 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
4782 (defun gnus-article-delete-part (n)
4783 "Delete MIME part N and add some information about the removed part.
4784 N is the numerical prefix."
4786 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
4788 (defun gnus-article-mime-match-handle-first (condition)
4791 (dolist (ihandle gnus-article-mime-handle-alist)
4793 ((functionp condition)
4794 (funcall condition (cdr ihandle)))
4795 ((eq condition 'undisplayed)
4796 (not (or (mm-handle-undisplayer (cdr ihandle))
4797 (equal (mm-handle-media-type (cdr ihandle))
4798 "multipart/alternative"))))
4799 ((eq condition 'undisplayed-alternative)
4800 (not (mm-handle-undisplayer (cdr ihandle))))
4802 (gnus-article-goto-part (car ihandle))
4803 (or (not n) (< (car ihandle) n)))
4804 (setq n (car ihandle))))
4808 (defun gnus-article-view-part (&optional n)
4809 "View MIME part N, which is the numerical prefix."
4811 (with-current-buffer gnus-article-buffer
4812 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4813 gnus-article-mime-match-handle-function)))
4814 (when (> n (length gnus-article-mime-handle-alist))
4815 (error "No such part"))
4816 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4817 (when (gnus-article-goto-part n)
4818 (if (equal (car handle) "multipart/alternative")
4819 (gnus-article-press-button)
4820 (when (eq (gnus-mm-display-part handle) 'internal)
4821 (gnus-set-window-start)))))))
4823 (defsubst gnus-article-mime-total-parts ()
4824 (if (bufferp (car gnus-article-mime-handles))
4826 (1- (length gnus-article-mime-handles))))
4828 (defun gnus-mm-display-part (handle)
4829 "Display HANDLE and fix MIME button."
4830 (let ((id (get-text-property (point) 'gnus-part))
4832 (inhibit-read-only t))
4835 (let ((window (selected-window))
4836 (mail-parse-charset gnus-newsgroup-charset)
4837 (mail-parse-ignored-charsets
4838 (if (gnus-buffer-live-p gnus-summary-buffer)
4839 (with-current-buffer gnus-summary-buffer
4840 gnus-newsgroup-ignored-charsets)
4844 (let ((win (gnus-get-buffer-window (current-buffer) t))
4847 (select-window win))
4850 (if (mm-handle-displayed-p handle)
4851 ;; This will remove the part.
4852 (mm-display-part handle)
4854 (narrow-to-region (point)
4855 (if (eobp) (point) (1+ (point))))
4856 (mm-display-part handle)
4857 ;; We narrow to the part itself and
4858 ;; then call the treatment functions.
4859 (goto-char (point-min))
4861 (narrow-to-region (point) (point-max))
4864 (gnus-article-mime-total-parts)
4865 (mm-handle-media-type handle)))))
4866 (if (window-live-p window)
4867 (select-window window)))))
4870 (gnus-insert-mime-button
4871 handle id (list (mm-handle-displayed-p handle)))
4872 (goto-char point))))
4874 (defun gnus-article-goto-part (n)
4875 "Go to MIME part N."
4876 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4878 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4879 (let ((gnus-tmp-name
4880 (or (mail-content-type-get (mm-handle-type handle) 'name)
4881 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4882 (mail-content-type-get (mm-handle-type handle) 'url)
4884 (gnus-tmp-type (mm-handle-media-type handle))
4885 (gnus-tmp-description
4886 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4889 (if (if displayed (car displayed)
4890 (mm-handle-displayed-p handle))
4892 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4894 gnus-tmp-type-long b e)
4895 (when (string-match ".*/" gnus-tmp-name)
4896 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4897 (setq gnus-tmp-type-long (concat gnus-tmp-type
4898 (and (not (equal gnus-tmp-name ""))
4899 (concat "; " gnus-tmp-name))))
4900 (unless (equal gnus-tmp-description "")
4901 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4906 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4907 `(keymap ,gnus-mime-button-map
4908 gnus-callback gnus-mm-display-part
4909 gnus-part ,gnus-tmp-id
4910 article-type annotation
4913 ;; Exclude a newline.
4916 (widget-convert-button
4919 :action 'gnus-widget-press-button
4920 :button-keymap gnus-mime-button-map
4922 (lambda (widget/window &optional overlay pos)
4923 ;; Needed to properly clear the message due to a bug in
4924 ;; wid-edit (XEmacs only).
4925 (if (boundp 'help-echo-owns-message)
4926 (setq help-echo-owns-message t))
4928 "%S: %s the MIME part; %S: more options"
4929 (aref gnus-mouse-2 0)
4930 ;; XEmacs will get a single widget arg; Emacs 21 will get
4931 ;; window, overlay, position.
4932 (if (mm-handle-displayed-p
4934 (with-current-buffer (gnus-overlay-buffer overlay)
4935 (widget-get (widget-at (gnus-overlay-start overlay))
4937 (widget-get widget/window :mime-handle)))
4939 (aref gnus-down-mouse-3 0))))))
4941 (defun gnus-widget-press-button (elems el)
4942 (goto-char (widget-get elems :from))
4943 (gnus-article-press-button))
4945 (defvar gnus-displaying-mime nil)
4947 (defun gnus-display-mime (&optional ihandles)
4948 "Display the MIME parts."
4950 (save-selected-window
4951 (let ((window (get-buffer-window gnus-article-buffer))
4954 (select-window window)
4955 ;; We have to do this since selecting the window
4956 ;; may change the point. So we set the window point.
4957 (set-window-point window point)))
4958 (let ((handles ihandles)
4959 (inhibit-read-only t)
4962 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4963 (when gnus-article-emulate-mime
4964 (mm-uu-dissect-text-parts handles)))
4965 (gnus-article-emulate-mime
4966 (setq handles (mm-uu-dissect))))
4967 (when (and (not ihandles)
4968 (not gnus-displaying-mime))
4969 ;; Top-level call; we clean up.
4970 (when gnus-article-mime-handles
4971 (mm-destroy-parts gnus-article-mime-handles)
4972 (setq gnus-article-mime-handle-alist nil));; A trick.
4973 (setq gnus-article-mime-handles handles)
4974 ;; We allow users to glean info from the handles.
4975 (when gnus-article-mime-part-function
4976 (gnus-mime-part-function handles)))
4978 (or (not (stringp (car handles)))
4981 (when (and (not ihandles)
4982 (not gnus-displaying-mime))
4983 ;; Clean up for mime parts.
4985 (delete-region (point) (point-max)))
4986 (let ((gnus-displaying-mime t))
4987 (gnus-mime-display-part handles)))
4990 (narrow-to-region (point) (point-max))
4991 (gnus-treat-article nil 1 1)
4994 ;; Highlight the headers.
4998 (narrow-to-region (point-min) (point))
4999 (gnus-article-save-original-date
5000 (gnus-treat-article 'head)))))))))
5002 (defcustom gnus-mime-display-multipart-as-mixed nil
5003 "Display \"multipart\" parts as \"multipart/mixed\".
5005 If t, it overrides nil values of
5006 `gnus-mime-display-multipart-alternative-as-mixed' and
5007 `gnus-mime-display-multipart-related-as-mixed'."
5008 :group 'gnus-article-mime
5011 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5012 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5014 :group 'gnus-article-mime
5017 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5018 "Display \"multipart/related\" parts as \"multipart/mixed\".
5020 If displaying \"text/html\" is discouraged \(see
5021 `mm-discouraged-alternatives'\) images or other material inside a
5022 \"multipart/related\" part might be overlooked when this variable is nil."
5024 :group 'gnus-article-mime
5027 (defun gnus-mime-display-part (handle)
5029 ;; Maybe a broken MIME message.
5032 ((not (stringp (car handle)))
5033 (gnus-mime-display-single handle))
5034 ;; User-defined multipart
5035 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5036 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5038 ;; multipart/alternative
5039 ((and (equal (car handle) "multipart/alternative")
5040 (not (or gnus-mime-display-multipart-as-mixed
5041 gnus-mime-display-multipart-alternative-as-mixed)))
5042 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5043 (push (cons id handle) gnus-article-mime-handle-alist)
5044 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5045 ;; multipart/related
5046 ((and (equal (car handle) "multipart/related")
5047 (not (or gnus-mime-display-multipart-as-mixed
5048 gnus-mime-display-multipart-related-as-mixed)))
5049 ;;;!!!We should find the start part, but we just default
5050 ;;;!!!to the first part.
5051 ;;(gnus-mime-display-part (cadr handle))
5052 ;;;!!! Most multipart/related is an HTML message plus images.
5053 ;;;!!! Unfortunately we are unable to let W3 display those
5054 ;;;!!! included images, so we just display it as a mixed multipart.
5055 ;;(gnus-mime-display-mixed (cdr handle))
5056 ;;;!!! No, w3 can display everything just fine.
5057 (gnus-mime-display-part (cadr handle)))
5058 ((equal (car handle) "multipart/signed")
5059 (gnus-add-wash-type 'signed)
5060 (gnus-mime-display-security handle))
5061 ((equal (car handle) "multipart/encrypted")
5062 (gnus-add-wash-type 'encrypted)
5063 (gnus-mime-display-security handle))
5064 ;; Other multiparts are handled like multipart/mixed.
5066 (gnus-mime-display-mixed (cdr handle)))))
5068 (defun gnus-mime-part-function (handles)
5069 (if (stringp (car handles))
5070 (mapcar 'gnus-mime-part-function (cdr handles))
5071 (funcall gnus-article-mime-part-function handles)))
5073 (defun gnus-mime-display-mixed (handles)
5074 (mapcar 'gnus-mime-display-part handles))
5076 (defun gnus-mime-display-single (handle)
5077 (let ((type (mm-handle-media-type handle))
5078 (ignored gnus-ignored-mime-types)
5085 (when (string-match (pop ignored) type)
5086 (throw 'ignored nil)))
5087 (if (and (setq not-attachment
5088 (and (not (mm-inline-override-p handle))
5089 (or (not (mm-handle-disposition handle))
5090 (equal (car (mm-handle-disposition handle))
5092 (mm-attachment-override-p handle))))
5093 (mm-automatic-display-p handle)
5095 (mm-inlinable-p handle)
5096 (mm-inlined-p handle))
5097 (mm-automatic-external-display-p type)))
5099 (when (equal (mm-handle-media-supertype handle) "text")
5101 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5103 (push (cons id handle) gnus-article-mime-handle-alist)
5104 (when (or (not display)
5105 (not (gnus-unbuttonized-mime-type-p type)))
5106 (gnus-insert-mime-button
5107 handle id (list (or display (and not-attachment text))))
5108 (gnus-article-insert-newline)
5109 ;; Remember modify the number of forward lines.
5117 (let ((mail-parse-charset gnus-newsgroup-charset)
5118 (mail-parse-ignored-charsets
5119 (save-excursion (condition-case ()
5120 (set-buffer gnus-summary-buffer)
5122 gnus-newsgroup-ignored-charsets)))
5123 (mm-display-part handle t))
5124 (goto-char (point-max)))
5125 ((and text not-attachment)
5129 (gnus-article-insert-newline)
5132 (let ((charset (mail-content-type-get (mm-handle-type handle)
5134 (cond ((not charset)
5135 (mm-string-as-multibyte (mm-get-part handle)))
5136 ((eq charset 'gnus-decoded)
5137 (with-current-buffer (mm-handle-buffer handle)
5140 (mm-decode-string (mm-get-part handle) charset)))))
5141 (goto-char (point-max))))
5145 (narrow-to-region beg (point))
5148 (gnus-article-mime-total-parts)
5149 (mm-handle-media-type handle)))))))))
5151 (defun gnus-unbuttonized-mime-type-p (type)
5152 "Say whether TYPE is to be unbuttonized."
5153 (unless gnus-inhibit-mime-unbuttonizing
5155 (let ((types gnus-unbuttonized-mime-types))
5157 (when (string-match (pop types) type)
5158 (throw 'found t)))))
5160 (let ((types gnus-buttonized-mime-types))
5162 (when (string-match (pop types) type)
5163 (throw 'found t)))))))))
5165 (defun gnus-article-insert-newline ()
5166 "Insert a newline, but mark it as undeletable."
5167 (gnus-put-text-property
5168 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5170 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5171 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5174 handle (inhibit-read-only t) from props begend not-pref)
5175 (save-window-excursion
5178 (narrow-to-region (car ibegend)
5181 (goto-char (car ibegend))
5184 (delete-region (point-min) (point-max))
5185 (mm-remove-parts handles))
5186 (setq begend (list (point-marker)))
5188 (unless (setq not-pref (cadr (member preferred ihandles)))
5189 (setq not-pref (car ihandles)))
5192 (not (gnus-unbuttonized-mime-type-p
5193 "multipart/alternative")))
5194 (gnus-add-text-properties
5197 (insert (format "%d. " id))
5201 (unless ,(not ibegend)
5202 (setq gnus-article-mime-handle-alist
5203 ',gnus-article-mime-handle-alist))
5204 (gnus-mime-display-alternative
5205 ',ihandles ',not-pref ',begend ,id))
5206 keymap ,gnus-mime-button-map
5207 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5208 face ,gnus-article-button-face
5210 article-type multipart))
5211 (widget-convert-button 'link from (point)
5212 :action 'gnus-widget-press-button
5213 :button-keymap gnus-widget-button-keymap)
5215 (while (setq handle (pop handles))
5216 (gnus-add-text-properties
5219 (insert (format "(%c) %-18s"
5220 (if (equal handle preferred) ?* ? )
5221 (mm-handle-media-type handle)))
5225 (unless ,(not ibegend)
5226 (setq gnus-article-mime-handle-alist
5227 ',gnus-article-mime-handle-alist))
5228 (gnus-mime-display-alternative
5229 ',ihandles ',handle ',begend ,id))
5230 keymap ,gnus-mime-button-map
5231 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5232 face ,gnus-article-button-face
5235 (widget-convert-button 'link from (point)
5236 :action 'gnus-widget-press-button
5237 :button-keymap gnus-widget-button-keymap)
5241 (if (stringp (car preferred))
5242 (gnus-display-mime preferred)
5243 (let ((mail-parse-charset gnus-newsgroup-charset)
5244 (mail-parse-ignored-charsets
5245 (with-current-buffer gnus-summary-buffer
5246 gnus-newsgroup-ignored-charsets)))
5247 (mm-display-part preferred)
5251 (narrow-to-region (car begend) (point-max))
5253 nil (length gnus-article-mime-handle-alist)
5254 (gnus-article-mime-total-parts)
5255 (mm-handle-media-type handle))))))
5256 (goto-char (point-max))
5257 (setcdr begend (point-marker)))))
5259 (goto-char point))))
5261 (defconst gnus-article-wash-status-strings
5262 (let ((alist '((cite "c" "Possible hidden citation text"
5263 " " "All citation text visible")
5264 (headers "h" "Hidden headers"
5265 " " "All headers visible.")
5266 (pgp "p" "Encrypted or signed message status hidden"
5267 " " "No hidden encryption nor digital signature status")
5268 (signature "s" "Signature has been hidden"
5269 " " "Signature is visible")
5270 (overstrike "o" "Overstrike (^H) characters applied"
5271 " " "No overstrike characters applied")
5272 (emphasis "e" "/*_Emphasis_*/ characters applied"
5273 " " "No /*_emphasis_*/ characters applied")))
5275 (dolist (entry alist result)
5276 (let ((key (nth 0 entry))
5277 (on (copy-sequence (nth 1 entry)))
5278 (on-help (nth 2 entry))
5279 (off (copy-sequence (nth 3 entry)))
5280 (off-help (nth 4 entry)))
5281 (put-text-property 0 1 'help-echo on-help on)
5282 (put-text-property 0 1 'help-echo off-help off)
5283 (push (list key on off) result))))
5284 "Alist of strings describing wash status in the mode line.
5285 Each entry has the form (KEY ON OF), where the KEY is a symbol
5286 representing the particular washing function, ON is the string to use
5287 in the article mode line when the washing function is active, and OFF
5288 is the string to use when it is inactive.")
5290 (defun gnus-article-wash-status-entry (key value)
5291 (let ((entry (assoc key gnus-article-wash-status-strings)))
5292 (if value (nth 1 entry) (nth 2 entry))))
5294 (defun gnus-article-wash-status ()
5295 "Return a string which display status of article washing."
5296 (with-current-buffer gnus-article-buffer
5297 (let ((cite (memq 'cite gnus-article-wash-types))
5298 (headers (memq 'headers gnus-article-wash-types))
5299 (boring (memq 'boring-headers gnus-article-wash-types))
5300 (pgp (memq 'pgp gnus-article-wash-types))
5301 (pem (memq 'pem gnus-article-wash-types))
5302 (signed (memq 'signed gnus-article-wash-types))
5303 (encrypted (memq 'encrypted gnus-article-wash-types))
5304 (signature (memq 'signature gnus-article-wash-types))
5305 (overstrike (memq 'overstrike gnus-article-wash-types))
5306 (emphasis (memq 'emphasis gnus-article-wash-types)))
5308 (gnus-article-wash-status-entry 'cite cite)
5309 (gnus-article-wash-status-entry 'headers (or headers boring))
5310 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5311 (gnus-article-wash-status-entry 'signature signature)
5312 (gnus-article-wash-status-entry 'overstrike overstrike)
5313 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5315 (defun gnus-add-wash-type (type)
5316 "Add a washing of TYPE to the current status."
5317 (add-to-list 'gnus-article-wash-types type))
5319 (defun gnus-delete-wash-type (type)
5320 "Add a washing of TYPE to the current status."
5321 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5323 (defun gnus-add-image (category image)
5324 "Add IMAGE of CATEGORY to the list of displayed images."
5325 (let ((entry (assq category gnus-article-image-alist)))
5327 (setq entry (list category))
5328 (push entry gnus-article-image-alist))
5329 (nconc entry (list image))))
5331 (defun gnus-delete-images (category)
5332 "Delete all images in CATEGORY."
5333 (let ((entry (assq category gnus-article-image-alist)))
5334 (dolist (image (cdr entry))
5335 (gnus-remove-image image category))
5336 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5337 (gnus-delete-wash-type category)))
5339 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5341 (defun gnus-article-maybe-hide-headers ()
5342 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5343 Provided for backwards compatibility."
5344 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5345 (not (with-current-buffer gnus-summary-buffer
5346 gnus-have-all-headers)))
5347 (not gnus-inhibit-hiding))
5348 (gnus-article-hide-headers)))
5352 (defun gnus-output-to-file (file-name)
5353 "Append the current article to a file named FILE-NAME."
5354 (let ((artbuf (current-buffer)))
5356 (insert-buffer-substring artbuf)
5357 ;; Append newline at end of the buffer as separator, and then
5359 (goto-char (point-max))
5361 (let ((file-name-coding-system nnmail-pathname-coding-system))
5362 (mm-append-to-file (point-min) (point-max) file-name))
5365 (defun gnus-narrow-to-page (&optional arg)
5366 "Narrow the article buffer to a page.
5367 If given a numerical ARG, move forward ARG pages."
5369 (setq arg (if arg (prefix-numeric-value arg) 0))
5371 (set-buffer gnus-article-buffer)
5372 (goto-char (point-min))
5374 ;; Remove any old next/prev buttons.
5375 (when (gnus-visual-p 'page-marker)
5376 (let ((inhibit-read-only t))
5377 (gnus-remove-text-with-property 'gnus-prev)
5378 (gnus-remove-text-with-property 'gnus-next)))
5381 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5383 (re-search-forward page-delimiter nil 'move arg)))
5384 (goto-char (match-end 0))
5386 (goto-char (point-min))
5387 (setq gnus-page-broken
5388 (and (re-search-forward page-delimiter nil t) t))))
5389 (when gnus-page-broken
5392 (if (re-search-forward page-delimiter nil 'move)
5395 (when (and (gnus-visual-p 'page-marker)
5396 (> (point-min) (save-restriction (widen) (point-min))))
5398 (goto-char (point-min))
5399 (gnus-insert-prev-page-button)))
5400 (when (and (gnus-visual-p 'page-marker)
5401 (< (point-max) (save-restriction (widen) (point-max))))
5403 (goto-char (point-max))
5404 (gnus-insert-next-page-button))))))
5406 ;; Article mode commands
5408 (defun gnus-article-goto-next-page ()
5409 "Show the next page of the article."
5411 (when (gnus-article-next-page)
5412 (goto-char (point-min))
5413 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5416 (defun gnus-article-goto-prev-page ()
5417 "Show the previous page of the article."
5420 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5421 (gnus-article-prev-page nil)))
5423 ;; This is cleaner but currently breaks `gnus-pick-mode':
5425 ;; (defun gnus-article-goto-next-page ()
5426 ;; "Show the next page of the article."
5428 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5429 ;; (gnus-summary-next-page)))
5431 ;; (defun gnus-article-goto-prev-page ()
5432 ;; "Show the next page of the article."
5434 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5435 ;; (gnus-summary-prev-page)))
5437 (defun gnus-article-next-page (&optional lines)
5438 "Show the next page of the current article.
5439 If end of article, return non-nil. Otherwise return nil.
5440 Argument LINES specifies lines to be scrolled up."
5442 (move-to-window-line -1)
5445 (and (pos-visible-in-window-p) ;Not continuation line.
5446 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5447 ;; Nothing in this page.
5448 (if (or (not gnus-page-broken)
5453 (eobp)))) ;Real end-of-buffer?
5455 (when gnus-article-over-scroll
5456 (gnus-article-next-page-1 lines))
5458 (gnus-narrow-to-page 1) ;Go to next page.
5460 ;; More in this page.
5461 (gnus-article-next-page-1 lines)
5464 (defmacro gnus-article-beginning-of-window ()
5465 "Move point to the beginning of the window.
5466 In Emacs, the point is placed at the line number which `scroll-margin'
5468 (if (featurep 'xemacs)
5469 '(move-to-window-line 0)
5470 '(move-to-window-line
5471 (min (max 0 scroll-margin)
5472 (max 1 (- (window-height)
5473 (if mode-line-format 1 0)
5474 (if header-line-format 1 0)))))))
5476 (defun gnus-article-next-page-1 (lines)
5477 (when (and (not (featurep 'xemacs))
5480 (numberp (symbol-value 'scroll-margin))
5481 (> (symbol-value 'scroll-margin) 0))
5482 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5483 ;; too many number of lines if `scroll-margin' is set as two or greater.
5484 (setq lines (min lines
5485 (max 0 (- (count-lines (window-start) (point-max))
5486 (symbol-value 'scroll-margin))))))
5488 (let ((scroll-in-place nil))
5491 ;; Long lines may cause an end-of-buffer error.
5492 (goto-char (point-max))))
5493 (gnus-article-beginning-of-window))
5495 (defun gnus-article-prev-page (&optional lines)
5496 "Show previous page of current article.
5497 Argument LINES specifies lines to be scrolled down."
5499 (move-to-window-line 0)
5500 (if (and gnus-page-broken
5502 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5504 (gnus-narrow-to-page -1) ;Go to previous page.
5505 (goto-char (point-max))
5509 (let ((scroll-in-place nil))
5510 (scroll-down lines))
5511 (beginning-of-buffer
5512 (goto-char (point-min))))
5513 (gnus-article-beginning-of-window))))
5515 (defun gnus-article-only-boring-p ()
5516 "Decide whether there is only boring text remaining in the article.
5517 Something \"interesting\" is a word of at least two letters that does
5518 not have a face in `gnus-article-boring-faces'."
5519 (when (and gnus-article-skip-boring
5520 (boundp 'gnus-article-boring-faces)
5521 (symbol-value 'gnus-article-boring-faces))
5524 (while (re-search-forward "\\b\\w\\w" nil t)
5526 (when (not (gnus-intersection
5527 (gnus-faces-at (point))
5528 (symbol-value 'gnus-article-boring-faces)))
5529 (throw 'only-boring nil)))
5530 (throw 'only-boring t)))))
5532 (defun gnus-article-refer-article ()
5533 "Read article specified by message-id around point."
5536 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5537 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5538 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5539 (let ((msg-id (concat "<" (match-string 0) ">")))
5540 (set-buffer gnus-summary-buffer)
5541 (gnus-summary-refer-article msg-id))
5542 (error "No references around point"))))
5544 (defun gnus-article-show-summary ()
5545 "Reconfigure windows to show summary buffer."
5547 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5548 (error "There is no summary buffer for this article buffer")
5549 (gnus-article-set-globals)
5550 (gnus-configure-windows 'article)
5551 (gnus-summary-goto-subject gnus-current-article)
5552 (gnus-summary-position-point)))
5554 (defun gnus-article-describe-briefly ()
5555 "Describe article mode commands briefly."
5557 (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")))
5559 (defun gnus-article-summary-command ()
5560 "Execute the last keystroke in the summary buffer."
5562 (let ((obuf (current-buffer))
5563 (owin (current-window-configuration))
5565 (switch-to-buffer gnus-article-current-summary 'norecord)
5566 (setq func (lookup-key (current-local-map) (this-command-keys)))
5567 (call-interactively func)
5569 (set-window-configuration owin)
5570 (set-window-point (get-buffer-window (current-buffer)) (point))))
5572 (defun gnus-article-summary-command-nosave ()
5573 "Execute the last keystroke in the summary buffer."
5576 (pop-to-buffer gnus-article-current-summary 'norecord)
5577 (setq func (lookup-key (current-local-map) (this-command-keys)))
5578 (call-interactively func)))
5580 (defun gnus-article-check-buffer ()
5581 "Beep if not in an article buffer."
5582 (unless (equal major-mode 'gnus-article-mode)
5583 (error "Command invoked outside of a Gnus article buffer")))
5585 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5586 "Read a summary buffer key sequence and execute it from the article buffer."
5588 (gnus-article-check-buffer)
5590 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5591 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5592 "=" "^" "\M-^" "|"))
5598 '("n" "Gn" "p" "Gp"))
5601 (set-buffer gnus-article-current-summary)
5602 (let (gnus-pick-mode)
5603 (push (or key last-command-event) unread-command-events)
5604 (setq keys (if (featurep 'xemacs)
5605 (events-to-keys (read-key-sequence nil))
5606 (read-key-sequence nil)))))
5610 (if (or (member keys nosaves)
5611 (member keys nosave-but-article)
5612 (member keys nosave-in-article))
5614 (save-window-excursion
5615 (pop-to-buffer gnus-article-current-summary 'norecord)
5616 ;; We disable the pick minor mode commands.
5617 (let (gnus-pick-mode)
5618 (setq func (lookup-key (current-local-map) keys))))
5622 (unless (member keys nosave-in-article)
5623 (set-buffer gnus-article-current-summary))
5624 (call-interactively func)
5625 (setq new-sum-point (point)))
5626 (when (member keys nosave-but-article)
5627 (pop-to-buffer gnus-article-buffer 'norecord)))
5628 ;; These commands should restore window configuration.
5629 (let ((obuf (current-buffer))
5630 (owin (current-window-configuration))
5632 win func in-buffer selected new-sum-start new-sum-hscroll)
5633 (cond (not-restore-window
5634 (pop-to-buffer gnus-article-current-summary 'norecord))
5635 ((setq win (get-buffer-window gnus-article-current-summary))
5636 (select-window win))
5638 (switch-to-buffer gnus-article-current-summary 'norecord)))
5639 (setq in-buffer (current-buffer))
5640 ;; We disable the pick minor mode commands.
5641 (if (and (setq func (let (gnus-pick-mode)
5642 (lookup-key (current-local-map) keys)))
5645 (call-interactively func)
5646 (when (eq win (selected-window))
5647 (setq new-sum-point (point)
5648 new-sum-start (window-start win)
5649 new-sum-hscroll (window-hscroll win)))
5650 (when (eq in-buffer (current-buffer))
5651 (setq selected (gnus-summary-select-article))
5653 (unless not-restore-window
5654 (set-window-configuration owin))
5655 (when (eq selected 'old)
5657 (set-window-start (get-buffer-window (current-buffer))
5659 (set-window-point (get-buffer-window (current-buffer))
5661 (when (and (not not-restore-window)
5663 (set-window-point win new-sum-point)
5664 (set-window-start win new-sum-start)
5665 (set-window-hscroll win new-sum-hscroll))))
5666 (set-window-configuration owin)
5669 (defun gnus-article-describe-key (key)
5670 "Display documentation of the function invoked by KEY. KEY is a string."
5671 (interactive "kDescribe key: ")
5672 (gnus-article-check-buffer)
5673 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5675 (set-buffer gnus-article-current-summary)
5676 (let (gnus-pick-mode)
5677 (if (featurep 'xemacs)
5679 (push (elt key 0) unread-command-events)
5680 (setq key (events-to-keys
5681 (read-key-sequence "Describe key: "))))
5682 (setq unread-command-events
5684 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5685 (string-to-list key)))
5686 (setq key (read-key-sequence "Describe key: "))))
5688 (describe-key key)))
5690 (defun gnus-article-describe-key-briefly (key &optional insert)
5691 "Display documentation of the function invoked by KEY. KEY is a string."
5692 (interactive "kDescribe key: \nP")
5693 (gnus-article-check-buffer)
5694 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5696 (set-buffer gnus-article-current-summary)
5697 (let (gnus-pick-mode)
5698 (if (featurep 'xemacs)
5700 (push (elt key 0) unread-command-events)
5701 (setq key (events-to-keys
5702 (read-key-sequence "Describe key: "))))
5703 (setq unread-command-events
5705 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5706 (string-to-list key)))
5707 (setq key (read-key-sequence "Describe key: "))))
5708 (describe-key-briefly key insert))
5709 (describe-key-briefly key insert)))
5711 (defun gnus-article-reply-with-original (&optional wide)
5712 "Start composing a reply mail to the current message.
5713 The text in the region will be yanked. If the region isn't active,
5714 the entire article will be yanked."
5716 (let ((article (cdr gnus-article-current))
5718 (if (not (gnus-region-active-p))
5719 (with-current-buffer gnus-summary-buffer
5720 (gnus-summary-reply (list (list article)) wide))
5721 (setq contents (buffer-substring (point) (mark t)))
5722 ;; Deactivate active regions.
5723 (when (and (boundp 'transient-mark-mode)
5724 transient-mark-mode)
5725 (setq mark-active nil))
5726 (with-current-buffer gnus-summary-buffer
5728 (list (list article contents)) wide)))))
5730 (defun gnus-article-followup-with-original ()
5731 "Compose a followup to the current article.
5732 The text in the region will be yanked. If the region isn't active,
5733 the entire article will be yanked."
5735 (let ((article (cdr gnus-article-current))
5737 (if (not (gnus-region-active-p))
5738 (with-current-buffer gnus-summary-buffer
5739 (gnus-summary-followup (list (list article))))
5740 (setq contents (buffer-substring (point) (mark t)))
5741 ;; Deactivate active regions.
5742 (when (and (boundp 'transient-mark-mode)
5743 transient-mark-mode)
5744 (setq mark-active nil))
5745 (with-current-buffer gnus-summary-buffer
5746 (gnus-summary-followup
5747 (list (list article contents)))))))
5749 (defun gnus-article-hide (&optional arg force)
5750 "Hide all the gruft in the current article.
5751 This means that signatures, cited text and (some) headers will be
5753 If given a prefix, show the hidden text instead."
5754 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5755 (gnus-article-hide-headers arg)
5756 (gnus-article-hide-list-identifiers arg)
5757 (gnus-article-hide-citation-maybe arg force)
5758 (gnus-article-hide-signature arg))
5760 (defun gnus-article-maybe-highlight ()
5761 "Do some article highlighting if article highlighting is requested."
5762 (when (gnus-visual-p 'article-highlight 'highlight)
5763 (gnus-article-highlight-some)))
5765 (defun gnus-check-group-server ()
5766 ;; Make sure the connection to the server is alive.
5767 (unless (gnus-server-opened
5768 (gnus-find-method-for-group gnus-newsgroup-name))
5769 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5770 (gnus-request-group gnus-newsgroup-name t)))
5773 (autoload 'nneething-get-file-name "nneething"))
5775 (defun gnus-request-article-this-buffer (article group)
5776 "Get an article and insert it into this buffer."
5777 (let (do-update-line sparse-header)
5781 (gnus-kill-all-overlays)
5782 (setq group (or group gnus-newsgroup-name))
5784 ;; Using `gnus-request-article' directly will insert the article into
5785 ;; `nntp-server-buffer' - so we'll save some time by not having to
5786 ;; copy it from the server buffer into the article buffer.
5788 ;; We only request an article by message-id when we do not have the
5789 ;; headers for it, so we'll have to get those.
5790 (when (stringp article)
5791 (gnus-read-header article))
5793 ;; If the article number is negative, that means that this article
5794 ;; doesn't belong in this newsgroup (possibly), so we find its
5795 ;; message-id and request it by id instead of number.
5796 (when (and (numberp article)
5798 (get-buffer gnus-summary-buffer)
5799 (gnus-buffer-exists-p gnus-summary-buffer))
5801 (set-buffer gnus-summary-buffer)
5802 (let ((header (gnus-summary-article-header article)))
5805 ((memq article gnus-newsgroup-sparse)
5806 ;; This is a sparse gap article.
5807 (setq do-update-line article)
5808 (setq article (mail-header-id header))
5809 (setq sparse-header (gnus-read-header article))
5810 (setq gnus-newsgroup-sparse
5811 (delq article gnus-newsgroup-sparse)))
5813 ;; It's a real article.
5814 (setq article (mail-header-id header)))
5816 ;; It is an extracted pseudo-article.
5817 (setq article 'pseudo)
5818 (gnus-request-pseudo-article header))))
5820 (let ((method (gnus-find-method-for-group
5821 gnus-newsgroup-name)))
5822 (when (and (eq (car method) 'nneething)
5824 (let ((dir (nneething-get-file-name
5825 (mail-header-id header))))
5826 (when (and (stringp dir)
5827 (file-directory-p dir))
5828 (setq article 'nneething)
5829 (gnus-group-enter-directory dir))))))))
5832 ;; Refuse to select canceled articles.
5833 ((and (numberp article)
5835 (get-buffer gnus-summary-buffer)
5836 (gnus-buffer-exists-p gnus-summary-buffer)
5837 (eq (cdr (with-current-buffer gnus-summary-buffer
5838 (assq article gnus-newsgroup-reads)))
5839 gnus-canceled-mark))
5841 ;; We first check `gnus-original-article-buffer'.
5842 ((and (get-buffer gnus-original-article-buffer)
5844 (with-current-buffer gnus-original-article-buffer
5845 (and (equal (car gnus-original-article) group)
5846 (eq (cdr gnus-original-article) article))))
5847 (insert-buffer-substring gnus-original-article-buffer)
5849 ;; Check the backlog.
5850 ((and gnus-keep-backlog
5851 (gnus-backlog-request-article group article (current-buffer)))
5853 ;; Check asynchronous pre-fetch.
5854 ((gnus-async-request-fetched-article group article (current-buffer))
5855 (gnus-async-prefetch-next group article gnus-summary-buffer)
5856 (when (and (numberp article) gnus-keep-backlog)
5857 (gnus-backlog-enter-article group article (current-buffer)))
5860 ((and gnus-use-cache
5862 (gnus-cache-request-article article group))
5864 ;; Check the agent cache.
5865 ((gnus-agent-request-article article group)
5867 ;; Get the article and put into the article buffer.
5868 ((or (stringp article)
5870 (let ((gnus-override-method gnus-override-method)
5871 (methods (and (stringp article)
5872 gnus-refer-article-method))
5873 (backend (car (gnus-find-method-for-group
5874 gnus-newsgroup-name)))
5876 (inhibit-read-only t))
5877 (if (or (not (listp methods))
5878 (and (symbolp (car methods))
5879 (assq (car methods) nnoo-definition-alist)))
5880 (setq methods (list methods)))
5881 (when (and (null gnus-override-method)
5883 (setq gnus-override-method (pop methods)))
5885 (when (eq gnus-override-method 'current)
5886 (setq gnus-override-method
5887 (with-current-buffer gnus-summary-buffer
5888 gnus-current-select-method)))
5890 (gnus-kill-all-overlays)
5891 (let ((gnus-newsgroup-name group))
5892 (gnus-check-group-server))
5894 ((gnus-request-article article group (current-buffer))
5895 (when (numberp article)
5896 (gnus-async-prefetch-next group article
5897 gnus-summary-buffer)
5898 (when gnus-keep-backlog
5899 (gnus-backlog-enter-article
5900 group article (current-buffer))))
5901 (setq result 'article))
5903 (setq gnus-override-method (pop methods)))
5904 ((not (string-match "^400 "
5905 (nnheader-get-report backend)))
5906 ;; If we get 400 server disconnect, reconnect and
5907 ;; retry; otherwise, assume the article has expired.
5908 (setq result 'done))))
5909 (and (eq result 'article) 'article)))
5913 ;; Associate this article with the current summary buffer.
5914 (setq gnus-article-current-summary gnus-summary-buffer)
5916 ;; Take the article from the original article buffer
5917 ;; and place it in the buffer it's supposed to be in.
5918 (when (and (get-buffer gnus-article-buffer)
5919 (equal (buffer-name (current-buffer))
5920 (buffer-name (get-buffer gnus-article-buffer))))
5922 (if (get-buffer gnus-original-article-buffer)
5923 (set-buffer gnus-original-article-buffer)
5924 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5925 (buffer-disable-undo)
5926 (setq major-mode 'gnus-original-article-mode)
5927 (setq buffer-read-only t))
5928 (let ((inhibit-read-only t))
5930 (insert-buffer-substring gnus-article-buffer))
5931 (setq gnus-original-article (cons group article)))
5934 (run-hooks 'gnus-article-decode-hook)
5935 ;; Mark article as decoded or not.
5936 (setq gnus-article-decoded-p gnus-article-decode-hook))
5938 ;; Update sparse articles.
5939 (when (and do-update-line
5940 (or (numberp article)
5942 (let ((buf (current-buffer)))
5943 (set-buffer gnus-summary-buffer)
5944 (gnus-summary-update-article do-update-line sparse-header)
5945 (gnus-summary-goto-subject do-update-line nil t)
5946 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5948 (set-buffer buf))))))
5954 (defcustom gnus-article-edit-mode-hook nil
5955 "Hook run in article edit mode buffers."
5956 :group 'gnus-article-various
5959 (defvar gnus-article-edit-done-function nil)
5961 (defvar gnus-article-edit-mode-map nil)
5963 ;; Should we be using derived.el for this?
5964 (unless gnus-article-edit-mode-map
5965 (setq gnus-article-edit-mode-map (make-keymap))
5966 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5968 (gnus-define-keys gnus-article-edit-mode-map
5969 "\C-c?" describe-mode
5970 "\C-c\C-c" gnus-article-edit-done
5971 "\C-c\C-k" gnus-article-edit-exit
5972 "\C-c\C-f\C-t" message-goto-to
5973 "\C-c\C-f\C-o" message-goto-from
5974 "\C-c\C-f\C-b" message-goto-bcc
5975 ;;"\C-c\C-f\C-w" message-goto-fcc
5976 "\C-c\C-f\C-c" message-goto-cc
5977 "\C-c\C-f\C-s" message-goto-subject
5978 "\C-c\C-f\C-r" message-goto-reply-to
5979 "\C-c\C-f\C-n" message-goto-newsgroups
5980 "\C-c\C-f\C-d" message-goto-distribution
5981 "\C-c\C-f\C-f" message-goto-followup-to
5982 "\C-c\C-f\C-m" message-goto-mail-followup-to
5983 "\C-c\C-f\C-k" message-goto-keywords
5984 "\C-c\C-f\C-u" message-goto-summary
5985 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5986 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5987 "\C-c\C-b" message-goto-body
5988 "\C-c\C-i" message-goto-signature
5990 "\C-c\C-t" message-insert-to
5991 "\C-c\C-n" message-insert-newsgroups
5992 "\C-c\C-o" message-sort-headers
5993 "\C-c\C-e" message-elide-region
5994 "\C-c\C-v" message-delete-not-region
5995 "\C-c\C-z" message-kill-to-signature
5996 "\M-\r" message-newline-and-reformat
5997 "\C-c\C-a" mml-attach-file
5998 "\C-a" message-beginning-of-line
6000 "\M-;" comment-region)
6002 (gnus-define-keys (gnus-article-edit-wash-map
6003 "\C-c\C-w" gnus-article-edit-mode-map)
6004 "f" gnus-article-edit-full-stops))
6007 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6009 ["Fetch To" message-insert-to t]
6010 ["Fetch Newsgroups" message-insert-newsgroups t]
6012 ["To" message-goto-to t]
6013 ["From" message-goto-from t]
6014 ["Subject" message-goto-subject t]
6015 ["Cc" message-goto-cc t]
6016 ["Reply-To" message-goto-reply-to t]
6017 ["Summary" message-goto-summary t]
6018 ["Keywords" message-goto-keywords t]
6019 ["Newsgroups" message-goto-newsgroups t]
6020 ["Followup-To" message-goto-followup-to t]
6021 ["Mail-Followup-To" message-goto-mail-followup-to t]
6022 ["Distribution" message-goto-distribution t]
6023 ["Body" message-goto-body t]
6024 ["Signature" message-goto-signature t]))
6026 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6027 "Major mode for editing articles.
6028 This is an extended text-mode.
6030 \\{gnus-article-edit-mode-map}"
6031 (make-local-variable 'gnus-article-edit-done-function)
6032 (make-local-variable 'gnus-prev-winconf)
6033 (set (make-local-variable 'font-lock-defaults)
6034 '(message-font-lock-keywords t))
6035 (set (make-local-variable 'mail-header-separator) "")
6036 (set (make-local-variable 'gnus-article-edit-mode) t)
6037 (easy-menu-add message-mode-field-menu message-mode-map)
6039 (setq buffer-read-only nil)
6040 (buffer-enable-undo)
6043 (defun gnus-article-edit (&optional force)
6044 "Edit the current article.
6045 This will have permanent effect only in mail groups.
6046 If FORCE is non-nil, allow editing of articles even in read-only
6049 (when (and (not force)
6050 (gnus-group-read-only-p))
6051 (error "The current newsgroup does not support article editing"))
6052 (gnus-article-date-original)
6053 (gnus-article-edit-article
6055 `(lambda (no-highlight)
6057 (gnus-summary-edit-article-done
6058 ,(or (mail-header-references gnus-current-headers) "")
6059 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6061 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
6062 "Start editing the contents of the current article buffer."
6063 (let ((winconf (current-window-configuration)))
6064 (set-buffer gnus-article-buffer)
6065 (let ((message-auto-save-directory
6066 ;; Don't associate the article buffer with a draft file.
6068 (gnus-article-edit-mode))
6069 (funcall start-func)
6070 (set-buffer-modified-p nil)
6071 (gnus-configure-windows 'edit-article)
6072 (setq gnus-article-edit-done-function exit-func)
6073 (setq gnus-prev-winconf winconf)
6075 (gnus-message 6 "C-c C-c to end edits"))))
6077 (defun gnus-article-edit-done (&optional arg)
6078 "Update the article edits and exit."
6080 (let ((func gnus-article-edit-done-function)
6081 (buf (current-buffer))
6082 (start (window-start))
6084 (winconf gnus-prev-winconf))
6085 (widen) ;; Widen it in case that users narrowed the buffer.
6088 ;; The cache and backlog have to be flushed somewhat.
6089 (when gnus-keep-backlog
6090 (gnus-backlog-remove-article
6091 (car gnus-article-current) (cdr gnus-article-current)))
6092 ;; Flush original article as well.
6094 (when (get-buffer gnus-original-article-buffer)
6095 (set-buffer gnus-original-article-buffer)
6096 (setq gnus-original-article nil)))
6097 (when gnus-use-cache
6098 (gnus-cache-update-article
6099 (car gnus-article-current) (cdr gnus-article-current)))
6100 ;; We remove all text props from the article buffer.
6101 (kill-all-local-variables)
6102 (set-text-properties (point-min) (point-max) nil)
6104 (set-window-configuration winconf)
6106 (set-window-start (get-buffer-window buf) start)
6107 (set-window-point (get-buffer-window buf) (point)))
6108 (gnus-summary-show-article))
6110 (defun gnus-article-edit-exit ()
6111 "Exit the article editing without updating."
6113 (when (or (not (buffer-modified-p))
6114 (yes-or-no-p "Article modified; kill anyway? "))
6115 (let ((curbuf (current-buffer))
6117 (window-start (window-start)))
6119 (if (gnus-buffer-live-p gnus-original-article-buffer)
6120 (insert-buffer-substring gnus-original-article-buffer))
6121 (let ((winconf gnus-prev-winconf))
6122 (kill-all-local-variables)
6124 (set-window-configuration winconf)
6125 ;; Tippy-toe some to make sure that point remains where it was.
6126 (save-current-buffer
6128 (set-window-start (get-buffer-window (current-buffer)) window-start)
6130 (gnus-summary-show-article)))
6132 (defun gnus-article-edit-full-stops ()
6133 "Interactively repair spacing at end of sentences."
6136 (goto-char (point-min))
6137 (search-forward-regexp "^$" nil t)
6138 (let ((case-fold-search nil))
6139 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6142 ;;; Article highlights
6145 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6147 ;;; Internal Variables:
6149 (defcustom gnus-button-url-regexp
6150 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6151 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6152 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6153 "Regular expression that matches URLs."
6154 :group 'gnus-article-buttons
6157 (defcustom gnus-button-valid-fqdn-regexp
6158 message-valid-fqdn-regexp
6159 "Regular expression that matches a valid FQDN."
6161 :group 'gnus-article-buttons
6164 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6165 (defcustom gnus-button-valid-localpart-regexp
6166 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*"
6167 "Regular expression that matches a localpart of mail addresses or MIDs."
6169 :group 'gnus-article-buttons
6172 (defcustom gnus-button-man-handler 'manual-entry
6173 "Function to use for displaying man pages.
6174 The function must take at least one argument with a string naming the
6177 :type '(choice (function-item :tag "Man" manual-entry)
6178 (function-item :tag "Woman" woman)
6179 (function :tag "Other"))
6180 :group 'gnus-article-buttons)
6182 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6183 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6184 If the default site is too slow, try to find a CTAN mirror, see
6185 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6186 the variable `gnus-button-handle-ctan'."
6188 :group 'gnus-article-buttons
6189 :link '(custom-manual "(gnus)Group Parameters")
6190 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6191 (const "http://tug.ctan.org/tex-archive/")
6192 (const "http://www.dante.de/CTAN/")
6193 (string :tag "Other")))
6195 (defcustom gnus-button-ctan-handler 'browse-url
6196 "Function to use for displaying CTAN links.
6197 The function must take one argument, the string naming the URL."
6199 :type '(choice (function-item :tag "Browse Url" browse-url)
6200 (function :tag "Other"))
6201 :group 'gnus-article-buttons)
6203 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6204 "Bogus strings removed from CTAN URLs."
6206 :group 'gnus-article-buttons
6207 :type '(choice (const "^/?tex-archive/\\|/")
6208 (regexp :tag "Other")))
6210 (defcustom gnus-button-ctan-directory-regexp
6212 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6213 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6214 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6215 "tds" "tools" "usergrps" "web") t)
6216 "Regular expression for ctan directories.
6217 It should match all directories in the top level of `gnus-ctan-url'."
6219 :group 'gnus-article-buttons
6222 (defcustom gnus-button-mid-or-mail-regexp
6223 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6224 gnus-button-valid-fqdn-regexp
6226 "Regular expression that matches a message ID or a mail address."
6228 :group 'gnus-article-buttons
6231 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6232 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6233 Strings like this can be either a message ID or a mail address. If it is one
6234 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6235 message ID or a mail address, respectively. If this variable is set to the
6236 symbol `ask', always query the user what do do. If it is a function, this
6237 function will be called with the string as it's only argument. The function
6238 must return `mid', `mail', `invalid' or `ask'."
6240 :group 'gnus-article-buttons
6241 :type '(choice (function-item :tag "Heuristic function"
6242 gnus-button-mid-or-mail-heuristic)
6247 (defcustom gnus-button-mid-or-mail-heuristic-alist
6248 '((-10.0 . ".+\\$.+@")
6251 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6252 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6253 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6254 (-1.0 . "^[^a-z]+@")
6256 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6257 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6258 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6259 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6262 (-1.0 . "^[0-9][0-9]")
6264 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6265 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6266 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6267 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6269 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6270 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6273 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6275 ;; compensation for TDMA dated mail addresses:
6276 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6278 (-20.0 . "\\.fsf@") ;; Gnus
6281 (-20.0 . "_-_") ;; Subject change in thread
6283 (-20.0 . "\\.ln@") ;; leafnode
6284 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6285 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6287 ;; (5.0 . "") ;; $local_part_len <= 7
6288 (10.0 . "^[^0-9]+@")
6289 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6290 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6293 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6295 (0.5 . "^[A-Z][a-z]")
6296 (0.5 . "^[A-Z][a-z][a-z]")
6297 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6298 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6299 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6301 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6302 address. The REGEXP is processed with `case-fold-search' set to nil."
6304 :group 'gnus-article-buttons
6305 :type '(repeat (cons (number :tag "Rate")
6306 (regexp :tag "Regexp"))))
6308 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6309 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6310 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6311 address, `ask' if unsure and `invalid' if the string is invalid."
6312 (let ((case-fold-search nil)
6313 (list gnus-button-mid-or-mail-heuristic-alist)
6314 (result 0) rate regexp lpartlen elem)
6316 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6317 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6318 ;; Certain special cases...
6321 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6322 "^[0-9]+\\.[0-9]+@compuserve\\|"
6323 "@public\\.gmane\\.org")
6325 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6326 (setq result 'mail))
6327 (when (string-match "@.*@\\| " mid-or-mail)
6328 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6329 (setq result 'invalid))
6330 ;; Nothing more to do, if result is not a number here...
6331 (when (numberp result)
6333 (setq elem (car list)
6337 (when (string-match regexp mid-or-mail)
6338 (setq result (+ result rate))
6340 9 "`%s' matched `%s', rate `%s', result `%s'."
6341 mid-or-mail regexp rate result)))
6342 (when (<= lpartlen 7)
6343 (setq result (+ result 5.0))
6344 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6345 mid-or-mail result))
6346 (when (>= lpartlen 12)
6347 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6349 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6350 ;; Long local part should contain realname if e-mail address,
6351 ;; too many digits: message-id.
6352 ;; $score -= 5.0 + 0.1 * $local_part_len;
6353 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6354 (setq result (+ result rate))
6356 9 "Many digits in `%s', rate `%s', result `%s'."
6357 mid-or-mail rate result))
6358 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6360 ;; Too few vowels [^aeiouy]{4,}.*\@
6361 (setq result (+ result -5.0))
6363 9 "Few vowels in `%s', rate `%s', result `%s'."
6364 mid-or-mail -5.0 result))
6366 (setq result (+ result 5.0))
6368 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6369 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6370 ;; Maybe we should make this a customizable alist: (condition . 'result)
6372 ((symbolp result) result)
6373 ;; Now convert number into proper results:
6374 ((< result -10.0) 'mid)
6375 ((> result 10.0) 'mail)
6378 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6379 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6380 (url-mid (concat "news" ":" mid-or-mail))
6381 (url-mailto (concat "mailto" ":" mid-or-mail)))
6382 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6383 (when (fboundp pref)
6385 ;; get rid of surrounding angles...
6387 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6388 (if (or (eq 'mid guessed) (eq 'mail guessed))
6392 (save-window-excursion
6393 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6396 (cond ((eq pref 'mid)
6397 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6398 (gnus-button-handle-news url-mid))
6400 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6401 (gnus-url-mailto url-mailto))
6402 (t (gnus-message 3 "Invalid string.")))))
6404 (defun gnus-button-handle-custom (fun arg)
6405 "Call function FUN on argument ARG.
6406 Both FUN and ARG are supposed to be strings. ARG will be passed
6407 as a symbol to FUN."
6408 (funcall (intern fun) (intern arg)))
6410 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6412 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6415 (defun gnus-button-handle-describe-function (url)
6416 "Call `describe-function' when pushing the corresponding URL button."
6419 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6421 (defun gnus-button-handle-describe-variable (url)
6422 "Call `describe-variable' when pushing the corresponding URL button."
6425 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6427 (defun gnus-button-handle-symbol (url)
6428 "Display help on variable or function.
6429 Calls `describe-variable' or `describe-function'."
6430 (let ((sym (intern url)))
6432 ((fboundp sym) (describe-function sym))
6433 ((boundp sym) (describe-variable sym))
6434 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6436 (defun gnus-button-handle-describe-key (url)
6437 "Call `describe-key' when pushing the corresponding URL button."
6439 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6440 (keys (ignore-errors (eval `(kbd ,key-string)))))
6443 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6445 (defun gnus-button-handle-apropos (url)
6446 "Call `apropos' when pushing the corresponding URL button."
6447 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6449 (defun gnus-button-handle-apropos-command (url)
6450 "Call `apropos' when pushing the corresponding URL button."
6452 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6454 (defun gnus-button-handle-apropos-variable (url)
6455 "Call `apropos' when pushing the corresponding URL button."
6457 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6458 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6460 (defun gnus-button-handle-apropos-documentation (url)
6461 "Call `apropos' when pushing the corresponding URL button."
6463 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6464 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6466 (defun gnus-button-handle-library (url)
6467 "Call `locate-library' when pushing the corresponding URL button."
6468 (gnus-message 9 "url=`%s'" url)
6469 (let* ((lib (locate-library url))
6470 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6472 (gnus-message 1 "Cannot locale library `%s'." url)
6473 (find-file-read-only file))))
6475 (defun gnus-button-handle-ctan (url)
6476 "Call `browse-url' when pushing a CTAN URL button."
6478 gnus-button-ctan-handler
6481 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6483 (defcustom gnus-button-tex-level 5
6484 "*Integer that says how many TeX-related buttons Gnus will show.
6485 The higher the number, the more buttons will appear and the more false
6486 positives are possible. Note that you can set this variable local to
6487 specific groups. Setting it higher in TeX groups is probably a good idea.
6488 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6489 how to set variables in specific groups."
6491 :group 'gnus-article-buttons
6492 :link '(custom-manual "(gnus)Group Parameters")
6495 (defcustom gnus-button-man-level 5
6496 "*Integer that says how many man-related buttons Gnus will show.
6497 The higher the number, the more buttons will appear and the more false
6498 positives are possible. Note that you can set this variable local to
6499 specific groups. Setting it higher in Unix groups is probably a good idea.
6500 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6501 how to set variables in specific groups."
6503 :group 'gnus-article-buttons
6504 :link '(custom-manual "(gnus)Group Parameters")
6507 (defcustom gnus-button-emacs-level 5
6508 "*Integer that says how many emacs-related buttons Gnus will show.
6509 The higher the number, the more buttons will appear and the more false
6510 positives are possible. Note that you can set this variable local to
6511 specific groups. Setting it higher in Emacs or Gnus related groups is
6512 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6513 `gnus-parameters' on how to set variables in specific groups."
6515 :group 'gnus-article-buttons
6516 :link '(custom-manual "(gnus)Group Parameters")
6519 (defcustom gnus-button-message-level 5
6520 "*Integer that says how many buttons for news or mail messages will appear.
6521 The higher the number, the more buttons will appear and the more false
6522 positives are possible."
6523 ;; mail addresses, MIDs, URLs for news, ...
6525 :group 'gnus-article-buttons
6528 (defcustom gnus-button-browse-level 5
6529 "*Integer that says how many buttons for browsing will appear.
6530 The higher the number, the more buttons will appear and the more false
6531 positives are possible."
6532 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6534 :group 'gnus-article-buttons
6537 (defcustom gnus-button-alist
6538 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6539 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6540 ((concat "\\b\\(nntp\\|news\\):\\("
6541 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6542 0 t gnus-button-handle-news 2)
6543 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6544 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6545 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6546 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6547 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6548 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6549 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6550 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6551 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6552 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6553 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6554 ;; RFC 2368 (The mailto URL scheme)
6555 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6556 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6557 ("\\bmailto:\\([^ \n\t]+\\)"
6558 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6560 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6561 gnus-button-ctan-directory-regexp
6562 "[^][>)!;:,'\n\t ]+\\)")
6563 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6564 ((concat "\\btex-archive/\\("
6565 gnus-button-ctan-directory-regexp
6566 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6567 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6570 gnus-button-ctan-directory-regexp
6571 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6572 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6573 ;; This is info (home-grown style) <info://foo/bar+baz>
6574 ("\\binfo://\\([^'\">\n\t ]+\\)"
6575 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6576 ;; Info GNOME style <info:foo#bar_baz>
6577 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6578 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6579 ;; Info KDE style <info:(foo)bar baz>
6580 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6581 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6582 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6583 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6584 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6585 ;; Info links like `C-h i d m CC Mode RET'
6586 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6588 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6589 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
6590 ;; Emacs help commands
6591 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6592 ;; regexp doesn't match arguments containing ` '.
6593 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6594 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6595 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6596 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6597 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6598 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6599 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6600 ;; The following entries may lead to many false positives so don't enable
6601 ;; them by default (use a high button level).
6602 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6603 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6604 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6605 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6606 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6607 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6608 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6609 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6610 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6611 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6612 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6613 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6614 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6615 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6616 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6617 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6618 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6619 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6620 ;; Unlike the other regexps we really have to require quoting
6621 ;; here to determine where it ends.
6622 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6623 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6624 ("<URL: *\\([^<>]*\\)>"
6625 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6626 ;; RFC 2396 (2.4.3., delims) ...
6627 ("\"URL: *\\([^\"]*\\)\""
6628 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6629 ;; RFC 2396 (2.4.3., delims) ...
6630 ("\"URL: *\\([^\"]*\\)\""
6631 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6633 (gnus-button-url-regexp
6634 0 (>= gnus-button-browse-level 0) browse-url 0)
6636 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6637 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6638 gnus-button-handle-man 1)
6639 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6640 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6641 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6642 gnus-button-handle-man 1)
6643 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6644 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6645 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6646 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6647 ;; MID or mail: To avoid too many false positives we don't try to catch
6648 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6649 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6650 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6651 ;; so that non-ambiguous entries (see above) match first.
6652 (gnus-button-mid-or-mail-regexp
6653 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6654 "*Alist of regexps matching buttons in article bodies.
6656 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6657 REGEXP: is the string (case insensitive) matching text around the button (can
6658 also be Lisp expression evaluating to a string),
6659 BUTTON: is the number of the regexp grouping actually matching the button,
6660 FORM: is a Lisp expression which must eval to true for the button to
6662 CALLBACK: is the function to call when the user push this button, and each
6663 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6665 CALLBACK can also be a variable, in that case the value of that
6666 variable it the real callback function."
6667 :group 'gnus-article-buttons
6668 :type '(repeat (list (choice regexp variable sexp)
6669 (integer :tag "Button")
6671 (function :tag "Callback")
6674 (integer :tag "Regexp group")))))
6676 (defcustom gnus-header-button-alist
6677 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6678 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6679 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6680 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6681 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6682 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6683 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6684 0 (>= gnus-button-browse-level 0) browse-url 0)
6685 ("^Subject:" gnus-button-url-regexp
6686 0 (>= gnus-button-browse-level 0) browse-url 0)
6687 ("^[^:]+:" gnus-button-url-regexp
6688 0 (>= gnus-button-browse-level 0) browse-url 0)
6689 ("^OpenPGP:.*url=" gnus-button-url-regexp
6690 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
6691 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6692 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6693 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6694 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6695 "*Alist of headers and regexps to match buttons in article heads.
6697 This alist is very similar to `gnus-button-alist', except that each
6698 alist has an additional HEADER element first in each entry:
6700 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6702 HEADER is a regexp to match a header. For a fuller explanation, see
6703 `gnus-button-alist'."
6704 :group 'gnus-article-buttons
6705 :group 'gnus-article-headers
6706 :type '(repeat (list (regexp :tag "Header")
6707 (choice regexp variable)
6708 (integer :tag "Button")
6710 (function :tag "Callback")
6713 (integer :tag "Regexp group")))))
6717 (defun gnus-article-push-button (event)
6718 "Check text under the mouse pointer for a callback function.
6719 If the text under the mouse pointer has a `gnus-callback' property,
6720 call it with the value of the `gnus-data' text property."
6722 (set-buffer (window-buffer (posn-window (event-start event))))
6723 (let* ((pos (posn-point (event-start event)))
6724 (data (get-text-property pos 'gnus-data))
6725 (fun (get-text-property pos 'gnus-callback)))
6728 (funcall fun data))))
6730 (defun gnus-article-press-button ()
6731 "Check text at point for a callback function.
6732 If the text at point has a `gnus-callback' property,
6733 call it with the value of the `gnus-data' text property."
6735 (let ((data (get-text-property (point) 'gnus-data))
6736 (fun (get-text-property (point) 'gnus-callback)))
6738 (funcall fun data))))
6740 (defun gnus-article-highlight (&optional force)
6741 "Highlight current article.
6742 This function calls `gnus-article-highlight-headers',
6743 `gnus-article-highlight-citation',
6744 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6745 do the highlighting. See the documentation for those functions."
6746 (interactive (list 'force))
6747 (gnus-article-highlight-headers)
6748 (gnus-article-highlight-citation force)
6749 (gnus-article-highlight-signature)
6750 (gnus-article-add-buttons force)
6751 (gnus-article-add-buttons-to-head))
6753 (defun gnus-article-highlight-some (&optional force)
6754 "Highlight current article.
6755 This function calls `gnus-article-highlight-headers',
6756 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6757 do the highlighting. See the documentation for those functions."
6758 (interactive (list 'force))
6759 (gnus-article-highlight-headers)
6760 (gnus-article-highlight-signature)
6761 (gnus-article-add-buttons))
6763 (defun gnus-article-highlight-headers ()
6764 "Highlight article headers as specified by `gnus-header-face-alist'."
6766 (gnus-with-article-headers
6767 (let (regexp header-face field-face from hpoints fpoints)
6768 (dolist (entry gnus-header-face-alist)
6769 (goto-char (point-min))
6770 (setq regexp (concat "^\\("
6771 (if (string-equal "" (nth 0 entry))
6775 header-face (nth 1 entry)
6776 field-face (nth 2 entry))
6777 (while (and (re-search-forward regexp nil t)
6781 (unless (search-forward ":" nil t)
6783 (when (and header-face
6784 (not (memq (point) hpoints)))
6785 (push (point) hpoints)
6786 (gnus-put-text-property from (point) 'face header-face))
6787 (when (and field-face
6788 (not (memq (setq from (point)) fpoints)))
6790 (if (re-search-forward "^[^ \t]" nil t)
6792 (goto-char (point-max)))
6793 (gnus-put-text-property from (point) 'face field-face)))))))
6795 (defun gnus-article-highlight-signature ()
6796 "Highlight the signature in an article.
6797 It does this by highlighting everything after
6798 `gnus-signature-separator' using the face `gnus-signature'."
6800 (gnus-with-article-buffer
6801 (let ((inhibit-point-motion-hooks t))
6803 (when (and gnus-signature-face
6804 (gnus-article-narrow-to-signature))
6805 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6806 'face gnus-signature-face)
6808 (gnus-article-search-signature)
6809 (let ((start (match-beginning 0))
6810 (end (set-marker (make-marker) (1+ (match-end 0)))))
6811 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6814 (defun gnus-button-in-region-p (b e prop)
6815 "Say whether PROP exists in the region."
6816 (text-property-not-all b e prop nil))
6818 (defun gnus-article-add-buttons (&optional force)
6819 "Find external references in the article and make buttons of them.
6820 \"External references\" are things like Message-IDs and URLs, as
6821 specified by `gnus-button-alist'."
6822 (interactive (list 'force))
6823 (gnus-with-article-buffer
6824 (let ((inhibit-point-motion-hooks t)
6825 (case-fold-search t)
6826 (alist gnus-button-alist)
6828 ;; Remove all old markers.
6829 (let (marker entry new-list)
6830 (while (setq marker (pop gnus-button-marker-list))
6831 (if (or (< marker (point-min)) (>= marker (point-max)))
6832 (push marker new-list)
6834 (when (setq entry (gnus-button-entry))
6835 (put-text-property (match-beginning (nth 1 entry))
6836 (match-end (nth 1 entry))
6837 'gnus-callback nil))
6838 (set-marker marker nil)))
6839 (setq gnus-button-marker-list new-list))
6840 ;; We skip the headers.
6843 (while (setq entry (pop alist))
6844 (setq regexp (eval (car entry)))
6846 (while (re-search-forward regexp nil t)
6847 (let* ((start (and entry (match-beginning (nth 1 entry))))
6848 (end (and entry (match-end (nth 1 entry))))
6849 (from (match-beginning 0)))
6850 (when (and (or (eq t (nth 2 entry))
6851 (eval (nth 2 entry)))
6852 (not (gnus-button-in-region-p
6853 start end 'gnus-callback)))
6854 ;; That optional form returned non-nil, so we add the
6856 (gnus-article-add-button
6857 start end 'gnus-button-push
6858 (car (push (set-marker (make-marker) from)
6859 gnus-button-marker-list))))))))))
6861 ;; Add buttons to the head of an article.
6862 (defun gnus-article-add-buttons-to-head ()
6863 "Add buttons to the head of the article."
6865 (gnus-with-article-headers
6867 (dolist (entry gnus-header-button-alist)
6868 ;; Each alist entry.
6869 (goto-char (point-min))
6870 (while (re-search-forward (car entry) nil t)
6871 ;; Each header matching the entry.
6872 (setq beg (match-beginning 0))
6873 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6874 (match-beginning 0))
6877 (while (re-search-forward (eval (nth 1 entry)) end t)
6878 ;; Each match within a header.
6879 (let* ((entry (cdr entry))
6880 (start (match-beginning (nth 1 entry)))
6881 (end (match-end (nth 1 entry)))
6882 (form (nth 2 entry)))
6883 (goto-char (match-end 0))
6885 (gnus-article-add-button
6886 start end (nth 3 entry)
6887 (buffer-substring (match-beginning (nth 4 entry))
6888 (match-end (nth 4 entry)))))))
6889 (goto-char end))))))
6891 ;;; External functions:
6893 (defun gnus-article-add-button (from to fun &optional data)
6894 "Create a button between FROM and TO with callback FUN and data DATA."
6895 (when gnus-article-button-face
6896 (gnus-overlay-put (gnus-make-overlay from to)
6897 'face gnus-article-button-face))
6898 (gnus-add-text-properties
6900 (nconc (and gnus-article-mouse-face
6901 (list gnus-mouse-face-prop gnus-article-mouse-face))
6902 (list 'gnus-callback fun)
6903 (and data (list 'gnus-data data))))
6904 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6905 :button-keymap gnus-widget-button-keymap))
6907 ;;; Internal functions:
6909 (defun gnus-article-set-globals ()
6910 (with-current-buffer gnus-summary-buffer
6911 (gnus-set-global-variables)))
6913 (defun gnus-signature-toggle (end)
6914 (gnus-with-article-buffer
6915 (let ((inhibit-point-motion-hooks t))
6916 (if (text-property-any end (point-max) 'article-type 'signature)
6918 (gnus-delete-wash-type 'signature)
6919 (gnus-remove-text-properties-when
6920 'article-type 'signature end (point-max)
6921 (cons 'article-type (cons 'signature
6922 gnus-hidden-properties))))
6923 (gnus-add-wash-type 'signature)
6924 (gnus-add-text-properties-when
6925 'article-type nil end (point-max)
6926 (cons 'article-type (cons 'signature
6927 gnus-hidden-properties)))))
6928 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6929 (gnus-set-mode-line 'article))))
6931 (defun gnus-button-entry ()
6932 ;; Return the first entry in `gnus-button-alist' matching this place.
6933 (let ((alist gnus-button-alist)
6936 (setq entry (pop alist))
6937 (if (looking-at (eval (car entry)))
6942 (defun gnus-button-push (marker)
6943 ;; Push button starting at MARKER.
6946 (let* ((entry (gnus-button-entry))
6947 (inhibit-point-motion-hooks t)
6949 (args (mapcar (lambda (group)
6950 (let ((string (match-string group)))
6951 (set-text-properties
6952 0 (length string) nil string)
6959 (fboundp (symbol-value fun)))
6960 (apply (symbol-value fun) args))
6962 (gnus-message 1 "You must define `%S' to use this button"
6963 (cons fun args)))))))
6965 (defun gnus-parse-news-url (url)
6966 (let (scheme server port group message-id articles)
6969 (goto-char (point-min))
6970 (when (looking-at "\\([A-Za-z]+\\):")
6971 (setq scheme (match-string 1))
6972 (goto-char (match-end 0)))
6973 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
6974 (setq server (match-string 1))
6975 (setq port (if (stringp (match-string 3))
6976 (string-to-number (match-string 3))
6978 (goto-char (match-end 0)))
6981 ((looking-at "\\(.*@.*\\)")
6982 (setq message-id (match-string 1)))
6983 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6984 (setq group (match-string 1)
6985 articles (split-string (match-string 2) "-")))
6986 ((looking-at "\\([^/]+\\)/?")
6987 (setq group (match-string 1)))
6989 (error "Unknown news URL syntax"))))
6990 (list scheme server port group message-id articles)))
6992 (defun gnus-button-handle-news (url)
6994 (destructuring-bind (scheme server port group message-id articles)
6995 (gnus-parse-news-url url)
6999 (set-buffer gnus-summary-buffer)
7001 (let ((gnus-refer-article-method
7002 (nconc (list (list 'nntp server))
7003 gnus-refer-article-method))
7004 (nntp-port-number (or port "nntp")))
7005 (gnus-message 7 "Fetching %s with %s"
7006 message-id gnus-refer-article-method)
7007 (gnus-summary-refer-article message-id))
7008 (gnus-summary-refer-article message-id))))
7010 (gnus-button-fetch-group url)))))
7012 (defun gnus-button-handle-man (url)
7014 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7015 (when (eq gnus-button-man-handler 'woman)
7016 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7017 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7018 (funcall gnus-button-man-handler url))
7020 (defun gnus-button-handle-info-url (url)
7021 "Fetch an info URL."
7022 (setq url (mm-subst-char-in-string ?+ ?\ url))
7024 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7025 (gnus-info-find-node
7026 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7028 ")" (gnus-url-unhex-string (match-string 2 url)))))
7029 ((string-match "([^)\"]+)[^\"]+" url)
7031 (gnus-replace-in-string
7032 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7033 (gnus-info-find-node url))
7034 (t (error "Can't parse %s" url))))
7036 (defun gnus-button-handle-info-url-gnome (url)
7037 "Fetch GNOME style info URL."
7038 (setq url (mm-subst-char-in-string ?_ ?\ url))
7039 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7040 (gnus-info-find-node
7042 (gnus-url-unhex-string
7043 (match-string 1 url))
7045 (or (gnus-url-unhex-string
7046 (match-string 2 url))
7048 (error "Can't parse %s" url)))
7050 (defun gnus-button-handle-info-url-kde (url)
7051 "Fetch KDE style info URL."
7052 (gnus-info-find-node (gnus-url-unhex-string url)))
7054 (defun gnus-button-handle-info-keystrokes (url)
7055 "Call `info' when pushing the corresponding URL button."
7056 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7061 (defun gnus-button-openpgp (url)
7062 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
7064 (mm-url-insert-file-contents-external url)
7065 (pgg-snarf-keys-region (point-min) (point-max))
7066 (pgg-display-output-buffer nil nil nil)))
7068 (defun gnus-button-message-id (message-id)
7070 (with-current-buffer gnus-summary-buffer
7071 (gnus-summary-refer-article message-id)))
7073 (defun gnus-button-fetch-group (address)
7074 "Fetch GROUP specified by ADDRESS."
7075 (if (not (string-match "[:/]" address))
7076 ;; This is just a simple group url.
7077 (gnus-group-read-ephemeral-group address gnus-select-method)
7080 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7082 (error "Can't parse %s" address)
7083 (gnus-group-read-ephemeral-group
7084 (match-string 4 address)
7085 `(nntp ,(match-string 1 address)
7086 (nntp-address ,(match-string 1 address))
7087 (nntp-port-number ,(if (match-end 3)
7088 (match-string 3 address)
7091 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
7093 (defun gnus-url-parse-query-string (query &optional downcase)
7094 (let (retval pairs cur key val)
7095 (setq pairs (split-string query "&"))
7097 (setq cur (car pairs)
7099 (if (not (string-match "=" cur))
7101 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7102 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7104 (setq key (downcase key)))
7105 (setq cur (assoc key retval))
7107 (setcdr cur (cons val (cdr cur)))
7108 (setq retval (cons (list key val) retval)))))
7111 (defun gnus-url-mailto (url)
7112 ;; Send mail to someone
7113 (when (string-match "mailto:/*\\(.*\\)" url)
7114 (setq url (substring url (match-beginning 1) nil)))
7115 (let (to args subject func)
7116 (setq args (gnus-url-parse-query-string
7117 (if (string-match "^\\?" url)
7119 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7120 (concat "to=" (match-string 1 url) "&"
7121 (match-string 2 url))
7122 (concat "to=" url)))
7124 subject (cdr-safe (assoc "subject" args)))
7127 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7130 (message-position-on-field (caar args)))
7131 (insert (gnus-replace-in-string
7132 (mapconcat 'identity (reverse (cdar args)) ", ")
7134 (setq args (cdr args)))
7137 (message-goto-subject))))
7139 (defun gnus-button-embedded-url (address)
7140 "Activate ADDRESS with `browse-url'."
7141 (browse-url (gnus-strip-whitespace address)))
7143 ;;; Next/prev buttons in the article buffer.
7145 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7146 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7148 (defvar gnus-prev-page-map
7149 (let ((map (make-sparse-keymap)))
7150 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7151 (define-key map "\r" 'gnus-button-prev-page)
7154 (defvar gnus-next-page-map
7155 (let ((map (make-sparse-keymap)))
7156 (unless (>= emacs-major-version 21)
7157 ;; XEmacs doesn't care.
7158 (set-keymap-parent map gnus-article-mode-map))
7159 (define-key map gnus-mouse-2 'gnus-button-next-page)
7160 (define-key map "\r" 'gnus-button-next-page)
7163 (defun gnus-insert-prev-page-button ()
7165 (inhibit-read-only t))
7167 gnus-prev-page-line-format nil
7168 `(keymap ,gnus-prev-page-map
7170 gnus-callback gnus-article-button-prev-page
7171 article-type annotation))
7172 (widget-convert-button
7174 ;; Exclude a newline.
7177 :action 'gnus-button-prev-page
7178 :button-keymap gnus-prev-page-map)))
7180 (defun gnus-button-next-page (&optional args more-args)
7181 "Go to the next page."
7183 (let ((win (selected-window)))
7184 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7185 (gnus-article-next-page)
7186 (select-window win)))
7188 (defun gnus-button-prev-page (&optional args more-args)
7189 "Go to the prev page."
7191 (let ((win (selected-window)))
7192 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7193 (gnus-article-prev-page)
7194 (select-window win)))
7196 (defun gnus-insert-next-page-button ()
7198 (inhibit-read-only t))
7199 (gnus-eval-format gnus-next-page-line-format nil
7200 `(keymap ,gnus-next-page-map
7202 gnus-callback gnus-article-button-next-page
7203 article-type annotation))
7204 (widget-convert-button
7206 ;; Exclude a newline.
7209 :action 'gnus-button-next-page
7210 :button-keymap gnus-next-page-map)))
7212 (defun gnus-article-button-next-page (arg)
7213 "Go to the next page."
7215 (let ((win (selected-window)))
7216 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7217 (gnus-article-next-page)
7218 (select-window win)))
7220 (defun gnus-article-button-prev-page (arg)
7221 "Go to the prev page."
7223 (let ((win (selected-window)))
7224 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7225 (gnus-article-prev-page)
7226 (select-window win)))
7228 (defvar gnus-decode-header-methods
7229 '(mail-decode-encoded-word-region)
7230 "List of methods used to decode headers.
7232 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7233 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7234 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7235 whose names match REGEXP.
7238 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7239 mail-decode-encoded-word-region
7240 (\"chinese\" . rfc1843-decode-region))
7243 (defvar gnus-decode-header-methods-cache nil)
7245 (defun gnus-multi-decode-header (start end)
7246 "Apply the functions from `gnus-encoded-word-methods' that match."
7247 (unless (and gnus-decode-header-methods-cache
7248 (eq gnus-newsgroup-name
7249 (car gnus-decode-header-methods-cache)))
7250 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7253 (nconc gnus-decode-header-methods-cache (list x))
7254 (if (and gnus-newsgroup-name
7255 (string-match (car x) gnus-newsgroup-name))
7256 (nconc gnus-decode-header-methods-cache
7258 gnus-decode-header-methods))
7259 (let ((xlist gnus-decode-header-methods-cache))
7262 (narrow-to-region start end)
7264 (funcall (pop xlist) (point-min) (point-max))))))
7267 ;;; Treatment top-level handling.
7270 (defun gnus-treat-article (condition &optional part-number total-parts type)
7271 (let ((length (- (point-max) (point-min)))
7272 (alist gnus-treatment-function-alist)
7273 (article-goto-body-goes-to-point-min-p t)
7277 (let ((list gnus-article-treat-types))
7279 (when (string-match (pop list) type)
7280 (throw 'found t)))))))
7281 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7283 (gnus-run-hooks 'gnus-part-display-hook)
7284 (dolist (elem alist)
7287 (when (gnus-buffer-live-p gnus-summary-buffer)
7288 (set-buffer gnus-summary-buffer))
7289 (symbol-value (car elem))))
7290 (when (and (or (consp val)
7292 (gnus-treat-predicate val)
7293 (or (not (get (car elem) 'highlight))
7296 (funcall (cadr elem)))))))
7298 ;; Dynamic variables.
7300 (defvar part-number)
7301 (defvar total-parts)
7306 (defun gnus-treat-predicate (val)
7313 (stringp (car val)))
7314 (apply 'gnus-or (mapcar `(lambda (s)
7315 (string-match s ,(or gnus-newsgroup-name "")))
7318 (let ((pred (pop val)))
7321 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7323 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7325 (not (gnus-treat-predicate (car val))))
7327 (equal (car val) type))
7329 (error "%S is not a valid predicate" pred)))))
7337 (eq part-number total-parts))
7341 (error "%S is not a valid value" val))))
7343 (defun gnus-article-encrypt-body (protocol &optional n)
7344 "Encrypt the article body."
7347 (or gnus-article-encrypt-protocol
7348 (completing-read "Encrypt protocol: "
7349 gnus-article-encrypt-protocol-alist
7351 current-prefix-arg))
7352 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7354 (error "Can't find the encrypt protocol %s" protocol))
7355 (if (member gnus-newsgroup-name '("nndraft:delayed"
7358 (error "Can't encrypt the article in group %s"
7359 gnus-newsgroup-name))
7360 (gnus-summary-iterate n
7362 (set-buffer gnus-summary-buffer)
7363 (let ((mail-parse-charset gnus-newsgroup-charset)
7364 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7365 (summary-buffer gnus-summary-buffer)
7367 (gnus-set-global-variables)
7368 (when (gnus-group-read-only-p)
7369 (error "The current newsgroup does not support article encrypt"))
7370 (gnus-summary-show-article t)
7372 (or (mail-header-references gnus-current-headers) ""))
7373 (set-buffer gnus-article-buffer)
7374 (let* ((inhibit-read-only t)
7376 (mapcar (lambda (field)
7377 (and (save-restriction
7378 (message-narrow-to-head)
7379 (goto-char (point-min))
7380 (search-forward field nil t))
7382 (message-narrow-to-field)
7384 (delete-region (point-min) (point-max))
7386 '("Content-Type:" "Content-Transfer-Encoding:"
7387 "Content-Disposition:"))))
7388 (message-narrow-to-head)
7389 (message-remove-header "MIME-Version")
7390 (goto-char (point-max))
7391 (setq point (point))
7392 (insert (apply 'concat headers))
7394 (narrow-to-region point (point-max))
7395 (let ((message-options message-options))
7396 (message-options-set 'message-sender user-mail-address)
7397 (message-options-set 'message-recipients user-mail-address)
7398 (message-options-set 'message-sign-encrypt 'not)
7400 (goto-char (point-min))
7401 (insert "MIME-Version: 1.0\n")
7403 (gnus-summary-edit-article-done
7404 references nil summary-buffer t))
7405 (when gnus-keep-backlog
7406 (gnus-backlog-remove-article
7407 (car gnus-article-current) (cdr gnus-article-current)))
7409 (when (get-buffer gnus-original-article-buffer)
7410 (set-buffer gnus-original-article-buffer)
7411 (setq gnus-original-article nil)))
7412 (when gnus-use-cache
7413 (gnus-cache-update-article
7414 (car gnus-article-current) (cdr gnus-article-current))))))))
7416 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7417 "The following specs can be used:
7418 %t The security MIME type
7421 %D Details if button is pressed")
7423 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7424 "The following specs can be used:
7425 %t The security MIME type
7428 %D Details if button is pressed")
7430 (defvar gnus-mime-security-button-line-format-alist
7431 '((?t gnus-tmp-type ?s)
7432 (?i gnus-tmp-info ?s)
7433 (?d gnus-tmp-details ?s)
7434 (?D gnus-tmp-pressed-details ?s)))
7436 (defvar gnus-mime-security-button-commands
7437 '((gnus-article-press-button "\r" "Show Detail")
7441 (gnus-mime-security-save-part "o" "Save...")
7450 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
7453 (defvar gnus-mime-security-button-map
7454 (let ((map (make-sparse-keymap)))
7455 (define-key map gnus-mouse-2 'gnus-article-push-button)
7456 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
7457 (dolist (c gnus-mime-security-button-commands)
7458 (define-key map (cadr c) (car c)))
7462 gnus-mime-security-button-menu gnus-mime-security-button-map
7463 "Security button menu."
7467 (unless (eq (car c) 'undefined)
7468 (vector (caddr c) (car c) :enable t)))
7469 gnus-mime-security-button-commands))))
7471 (defun gnus-mime-security-button-menu (event prefix)
7472 "Construct a context-sensitive menu of security commands."
7473 (interactive "e\nP")
7474 (save-window-excursion
7475 (let ((pos (event-start event)))
7476 (select-window (posn-window pos))
7477 (goto-char (posn-point pos))
7478 (gnus-article-check-buffer)
7479 (popup-menu gnus-mime-security-button-menu nil prefix))))
7481 (defvar gnus-mime-security-details-buffer nil)
7483 (defvar gnus-mime-security-button-pressed nil)
7485 (defvar gnus-mime-security-show-details-inline t
7486 "If non-nil, show details in the article buffer.")
7488 (defun gnus-mime-security-verify-or-decrypt (handle)
7489 (mm-remove-parts (cdr handle))
7490 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7491 point (inhibit-read-only t))
7493 (goto-char (car region)))
7495 (narrow-to-region (point) (point))
7496 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7497 (let* ((mm-verify-option 'known)
7498 (mm-decrypt-option 'known)
7499 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7500 (unless (eq nparts (cdr handle))
7501 (mm-destroy-parts (cdr handle))
7502 (setcdr handle nparts))))
7503 (setq point (point))
7504 (gnus-mime-display-security handle)
7505 (goto-char (point-max)))
7507 (delete-region (point) (cdr region))
7508 (set-marker (car region) nil)
7509 (set-marker (cdr region) nil))
7512 (defun gnus-mime-security-show-details (handle)
7513 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7515 (gnus-message 5 "No details.")
7516 (if gnus-mime-security-show-details-inline
7517 (let ((gnus-mime-security-button-pressed
7518 (not (get-text-property (point) 'gnus-mime-details)))
7519 (gnus-mime-security-button-line-format
7520 (get-text-property (point) 'gnus-line-format))
7521 (inhibit-read-only t))
7523 (while (eq (get-text-property (point) 'gnus-line-format)
7524 gnus-mime-security-button-line-format)
7528 (narrow-to-region (point) (point))
7529 (gnus-insert-mime-security-button handle))
7530 (delete-region (point)
7531 (or (text-property-not-all
7534 gnus-mime-security-button-line-format)
7537 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7538 (with-current-buffer gnus-mime-security-details-buffer
7541 (setq gnus-mime-security-details-buffer
7542 (gnus-get-buffer-create "*MIME Security Details*")))
7543 (with-current-buffer gnus-mime-security-details-buffer
7545 (goto-char (point-min)))
7546 (pop-to-buffer gnus-mime-security-details-buffer)))))
7548 (defun gnus-mime-security-press-button (handle)
7550 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7551 (gnus-mime-security-show-details handle)
7552 (gnus-mime-security-verify-or-decrypt handle))))
7554 (defun gnus-insert-mime-security-button (handle &optional displayed)
7555 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7558 (or (nth 2 (assoc protocol mm-verify-function-alist))
7559 (nth 2 (assoc protocol mm-decrypt-function-alist))
7561 (if (equal (car handle) "multipart/signed")
7562 " Signed" " Encrypted")
7565 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7568 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7569 gnus-tmp-pressed-details
7571 (setq gnus-tmp-details
7572 (if gnus-tmp-details
7573 (concat "\n" gnus-tmp-details)
7575 (setq gnus-tmp-pressed-details
7576 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7581 gnus-mime-security-button-line-format
7582 gnus-mime-security-button-line-format-alist
7583 `(keymap ,gnus-mime-security-button-map
7584 gnus-callback gnus-mime-security-press-button
7585 gnus-line-format ,gnus-mime-security-button-line-format
7586 gnus-mime-details ,gnus-mime-security-button-pressed
7587 article-type annotation
7590 ;; Exclude a newline.
7593 (widget-convert-button
7596 :action 'gnus-widget-press-button
7597 :button-keymap gnus-mime-security-button-map
7599 (lambda (widget/window &optional overlay pos)
7600 ;; Needed to properly clear the message due to a bug in
7601 ;; wid-edit (XEmacs only).
7602 (when (boundp 'help-echo-owns-message)
7603 (setq help-echo-owns-message t))
7605 "%S: show detail; %S: more options"
7606 (aref gnus-mouse-2 0)
7607 (aref gnus-down-mouse-3 0))))))
7609 (defun gnus-mime-display-security (handle)
7611 (narrow-to-region (point) (point))
7612 (unless (gnus-unbuttonized-mime-type-p (car handle))
7613 (gnus-insert-mime-security-button handle))
7614 (gnus-mime-display-part (cadr handle))
7617 (unless (gnus-unbuttonized-mime-type-p (car handle))
7618 (let ((gnus-mime-security-button-line-format
7619 gnus-mime-security-button-end-line-format))
7620 (gnus-insert-mime-security-button handle)))
7621 (mm-set-handle-multipart-parameter
7623 (cons (set-marker (make-marker) (point-min))
7624 (set-marker (make-marker) (point-max))))))
7626 (defun gnus-mime-security-run-function (function)
7627 "Run FUNCTION with the security part under point."
7628 (gnus-article-check-buffer)
7629 (let ((data (get-text-property (point) 'gnus-data))
7631 (when (and (stringp (car-safe data))
7632 (setq buffer (mm-handle-multipart-original-buffer data))
7633 (setq handle (cadr data)))
7634 (if (bufferp (mm-handle-buffer handle))
7636 (setq handle (cons buffer (copy-sequence (cdr handle))))
7637 (mm-handle-set-undisplayer handle nil))
7638 (setq handle (mm-make-handle
7640 (mm-handle-multipart-ctl-parameter handle 'protocol)
7641 nil nil nil nil nil nil)))
7642 (funcall function handle))))
7644 (defun gnus-mime-security-save-part ()
7645 "Save the security part under point."
7647 (gnus-mime-security-run-function 'mm-save-part))
7649 (defun gnus-mime-security-pipe-part ()
7650 "Pipe the security part under point to a process."
7652 (gnus-mime-security-run-function 'mm-pipe-part))
7658 (run-hooks 'gnus-art-load-hook)
7660 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7661 ;;; gnus-art.el ends here