1 ;;; gnus-art.el --- article mode commands for Semi-gnus
2 ;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Katsumi Yamaoka <yamaoka@jpl.org>
7 ;; Keywords: mail, news, MIME
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., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
30 (eval-when-compile (require 'cl))
41 ;; Avoid byte-compile warnings.
43 (defvar gnus-article-decoded-p)
44 (defvar gnus-article-mime-handles)
53 (defgroup gnus-article nil
55 :link '(custom-manual "(gnus)The Article Buffer")
58 (defgroup gnus-article-treat nil
59 "Treating article parts."
60 :link '(custom-manual "(gnus)Article Hiding")
63 (defgroup gnus-article-hiding nil
64 "Hiding article parts."
65 :link '(custom-manual "(gnus)Article Hiding")
68 (defgroup gnus-article-highlight nil
69 "Article highlighting."
70 :link '(custom-manual "(gnus)Article Highlighting")
74 (defgroup gnus-article-signature nil
76 :link '(custom-manual "(gnus)Article Signature")
79 (defgroup gnus-article-headers nil
81 :link '(custom-manual "(gnus)Hiding Headers")
84 (defgroup gnus-article-washing nil
85 "Special commands on articles."
86 :link '(custom-manual "(gnus)Article Washing")
89 (defgroup gnus-article-emphasis nil
90 "Fontisizing articles."
91 :link '(custom-manual "(gnus)Article Fontisizing")
94 (defgroup gnus-article-saving nil
96 :link '(custom-manual "(gnus)Saving Articles")
99 (defgroup gnus-article-mime nil
100 "Worshiping the MIME wonder."
101 :link '(custom-manual "(gnus)Using MIME")
102 :group 'gnus-article)
104 (defgroup gnus-article-buttons nil
105 "Pushable buttons in the article buffer."
106 :link '(custom-manual "(gnus)Article Buttons")
107 :group 'gnus-article)
109 (defgroup gnus-article-various nil
110 "Other article options."
111 :link '(custom-manual "(gnus)Misc Article")
112 :group 'gnus-article)
114 (defcustom gnus-ignored-headers
115 '("^Path:" "^Expires:" "^Date-Received:" "^References:" "^Xref:" "^Lines:"
116 "^Relay-Version:" "^Message-ID:" "^Approved:" "^Sender:" "^Received:"
117 "^X-UIDL:" "^MIME-Version:" "^Return-Path:" "^In-Reply-To:"
118 "^Content-Type:" "^Content-Transfer-Encoding:" "^X-WebTV-Signature:"
119 "^X-MimeOLE:" "^X-MSMail-Priority:" "^X-Priority:" "^X-Loop:"
120 "^X-Authentication-Warning:" "^X-MIME-Autoconverted:" "^X-Face:"
121 "^X-Attribution:" "^X-Originating-IP:" "^Delivered-To:"
122 "^NNTP-[-A-Za-z]+:" "^Distribution:" "^X-no-archive:" "^X-Trace:"
123 "^X-Complaints-To:" "^X-NNTP-Posting-Host:" "^X-Orig.*:"
124 "^Abuse-Reports-To:" "^Cache-Post-Path:" "^X-Article-Creation-Date:"
125 "^X-Poster:" "^X-Mail2News-Path:" "^X-Server-Date:" "^X-Cache:"
126 "^Originator:" "^X-Problems-To:" "^X-Auth-User:" "^X-Post-Time:"
127 "^X-Admin:" "^X-UID:" "^Resent-[-A-Za-z]+:" "^X-Mailing-List:"
128 "^Precedence:" "^Original-[-A-Za-z]+:" "^X-filename:" "^X-Orcpt:"
129 "^Old-Received:" "^X-Pgp-Fingerprint:" "^X-Pgp-Key-Id:"
130 "^X-Pgp-Public-Key-Url:" "^X-Auth:" "^X-From-Line:"
131 "^X-Gnus-Article-Number:" "^X-Majordomo:" "^X-Url:" "^X-Sender:"
132 "^X-Mailing-List:" "^MBOX-Line" "^Priority:" "^X-Pgp" "^X400-[-A-Za-z]+:"
133 "^Status:" "^X-Gnus-Mail-Source:" "^Cancel-Lock:")
134 "*All headers that start with this regexp will be hidden.
135 This variable can also be a list of regexps of headers to be ignored.
136 If `gnus-visible-headers' is non-nil, this variable will be ignored."
137 :type '(choice :custom-show nil
140 :group 'gnus-article-hiding)
142 (defcustom gnus-visible-headers
143 "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
144 "*All headers that do not match this regexp will be hidden.
145 This variable can also be a list of regexp of headers to remain visible.
146 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
147 :type '(repeat :value-to-internal (lambda (widget value)
148 (custom-split-regexp-maybe value))
149 :match (lambda (widget value)
151 (widget-editable-list-match widget value)))
153 :group 'gnus-article-hiding)
155 (defcustom gnus-sorted-header-list
156 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
157 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
158 "*This variable is a list of regular expressions.
159 If it is non-nil, headers that match the regular expressions will
160 be placed first in the article buffer in the sequence specified by
162 :type '(repeat regexp)
163 :group 'gnus-article-hiding)
165 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
166 "Headers that are only to be displayed if they have interesting data.
167 Possible values in this list are `empty', `newsgroups', `followup-to',
168 `reply-to', `date', `long-to', and `many-to'."
169 :type '(set (const :tag "Headers with no content." empty)
170 (const :tag "Newsgroups with only one group." newsgroups)
171 (const :tag "Followup-to identical to newsgroups." followup-to)
172 (const :tag "Reply-to identical to from." reply-to)
173 (const :tag "Date less than four days old." date)
174 (const :tag "Very long To header." long-to)
175 (const :tag "Multiple To headers." many-to))
176 :group 'gnus-article-hiding)
178 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
179 "Regexp matching signature separator.
180 This can also be a list of regexps. In that case, it will be checked
181 from head to tail looking for a separator. Searches will be done from
182 the end of the buffer."
183 :type '(repeat string)
184 :group 'gnus-article-signature)
186 (defcustom gnus-signature-limit nil
187 "Provide a limit to what is considered a signature.
188 If it is a number, no signature may not be longer (in characters) than
189 that number. If it is a floating point number, no signature may be
190 longer (in lines) than that number. If it is a function, the function
191 will be called without any parameters, and if it returns nil, there is
192 no signature in the buffer. If it is a string, it will be used as a
193 regexp. If it matches, the text in question is not a signature."
194 :type '(choice (integer :value 200)
196 (function :value fun)
197 (regexp :value ".*"))
198 :group 'gnus-article-signature)
200 (defcustom gnus-hidden-properties '(invisible t intangible t)
201 "Property list to use for hiding text."
203 :group 'gnus-article-hiding)
205 (defcustom gnus-article-x-face-command
206 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | display -"
207 "*String or function to be executed to display an X-Face header.
208 If it is a string, the command will be executed in a sub-shell
209 asynchronously. The compressed face will be piped to this command."
210 :type 'string ;Leave function case to Lisp.
211 :group 'gnus-article-washing)
213 (defcustom gnus-article-x-face-too-ugly nil
214 "Regexp matching posters whose face shouldn't be shown automatically."
215 :type '(choice regexp (const nil))
216 :group 'gnus-article-washing)
218 (defcustom gnus-emphasis-alist
220 "\\(\\s-\\|^\\|[-\"]\\|\\s(\\|\\s)\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-?!.,;:\"]\\|\\s(\\|\\s)\\)")
222 '(("_" "_" underline)
225 ("_/" "/_" underline-italic)
226 ("_\\*" "\\*_" underline-bold)
227 ("\\*/" "/\\*" bold-italic)
228 ("_\\*/" "/\\*_" underline-bold-italic))))
229 `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
230 2 3 gnus-emphasis-underline)
234 (format format (car spec) (cadr spec))
235 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
237 "*Alist that says how to fontify certain phrases.
238 Each item looks like this:
240 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
242 The first element is a regular expression to be matched. The second
243 is a number that says what regular expression grouping used to find
244 the entire emphasized word. The third is a number that says what
245 regexp grouping should be displayed and highlighted. The fourth
246 is the face used for highlighting."
247 :type '(repeat (list :value ("" 0 0 default)
249 (integer :tag "Match group")
250 (integer :tag "Emphasize group")
252 :group 'gnus-article-emphasis)
254 (defface gnus-emphasis-bold '((t (:bold t)))
255 "Face used for displaying strong emphasized text (*word*)."
256 :group 'gnus-article-emphasis)
258 (defface gnus-emphasis-italic '((t (:italic t)))
259 "Face used for displaying italic emphasized text (/word/)."
260 :group 'gnus-article-emphasis)
262 (defface gnus-emphasis-underline '((t (:underline t)))
263 "Face used for displaying underlined emphasized text (_word_)."
264 :group 'gnus-article-emphasis)
266 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
267 "Face used for displaying underlined bold emphasized text (_*word*_)."
268 :group 'gnus-article-emphasis)
270 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
271 "Face used for displaying underlined italic emphasized text (_*word*_)."
272 :group 'gnus-article-emphasis)
274 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
275 "Face used for displaying bold italic emphasized text (/*word*/)."
276 :group 'gnus-article-emphasis)
278 (defface gnus-emphasis-underline-bold-italic
279 '((t (:bold t :italic t :underline t)))
280 "Face used for displaying underlined bold italic emphasized text.
281 Esample: (_/*word*/_)."
282 :group 'gnus-article-emphasis)
284 (defface gnus-emphasis-highlight-words
285 '((t (:background "black" :foreground "yellow")))
286 "Face used for displaying highlighted words."
287 :group 'gnus-article-emphasis)
289 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
290 "Format for display of Date headers in article bodies.
291 See `format-time-string' for the possible values.
293 The variable can also be function, which should return a complete Date
294 header. The function is called with one argument, the time, which can
295 be fed to `format-time-string'."
296 :type '(choice string symbol)
297 :link '(custom-manual "(gnus)Article Date")
298 :group 'gnus-article-washing)
301 (autoload 'mail-extract-address-components "mail-extr"))
303 (defcustom gnus-save-all-headers t
304 "*If non-nil, don't remove any headers before saving."
305 :group 'gnus-article-saving
308 (defcustom gnus-prompt-before-saving 'always
309 "*This variable says how much prompting is to be done when saving articles.
310 If it is nil, no prompting will be done, and the articles will be
311 saved to the default files. If this variable is `always', each and
312 every article that is saved will be preceded by a prompt, even when
313 saving large batches of articles. If this variable is neither nil not
314 `always', there the user will be prompted once for a file name for
315 each invocation of the saving commands."
316 :group 'gnus-article-saving
317 :type '(choice (item always)
318 (item :tag "never" nil)
319 (sexp :tag "once" :format "%t\n" :value t)))
321 (defcustom gnus-saved-headers gnus-visible-headers
322 "Headers to keep if `gnus-save-all-headers' is nil.
323 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
324 If that variable is nil, however, all headers that match this regexp
325 will be kept while the rest will be deleted before saving."
326 :group 'gnus-article-saving
329 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
330 "A function to save articles in your favourite format.
331 The function must be interactively callable (in other words, it must
332 be an Emacs command).
334 Gnus provides the following functions:
336 * gnus-summary-save-in-rmail (Rmail format)
337 * gnus-summary-save-in-mail (Unix mail format)
338 * gnus-summary-save-in-folder (MH folder)
339 * gnus-summary-save-in-file (article format)
340 * gnus-summary-save-in-vm (use VM's folder format)
341 * gnus-summary-write-to-file (article format -- overwrite)."
342 :group 'gnus-article-saving
343 :type '(radio (function-item gnus-summary-save-in-rmail)
344 (function-item gnus-summary-save-in-mail)
345 (function-item gnus-summary-save-in-folder)
346 (function-item gnus-summary-save-in-file)
347 (function-item gnus-summary-save-in-vm)
348 (function-item gnus-summary-write-to-file)))
350 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
351 "A function generating a file name to save articles in Rmail format.
352 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
353 :group 'gnus-article-saving
356 (defcustom gnus-mail-save-name 'gnus-plain-save-name
357 "A function generating a file name to save articles in Unix mail format.
358 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
359 :group 'gnus-article-saving
362 (defcustom gnus-folder-save-name 'gnus-folder-save-name
363 "A function generating a file name to save articles in MH folder.
364 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
365 :group 'gnus-article-saving
368 (defcustom gnus-file-save-name 'gnus-numeric-save-name
369 "A function generating a file name to save articles in article format.
370 The function is called with NEWSGROUP, HEADERS, and optional
372 :group 'gnus-article-saving
375 (defcustom gnus-split-methods
376 '((gnus-article-archive-name)
377 (gnus-article-nndoc-name))
378 "*Variable used to suggest where articles are to be saved.
379 For instance, if you would like to save articles related to Gnus in
380 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
381 you could set this variable to something like:
383 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
384 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
386 This variable is an alist where the where the key is the match and the
387 value is a list of possible files to save in if the match is non-nil.
389 If the match is a string, it is used as a regexp match on the
390 article. If the match is a symbol, that symbol will be funcalled
391 from the buffer of the article to be saved with the newsgroup as the
392 parameter. If it is a list, it will be evaled in the same buffer.
394 If this form or function returns a string, this string will be used as
395 a possible file name; and if it returns a non-nil list, that list will
396 be used as possible file names."
397 :group 'gnus-article-saving
398 :type '(repeat (choice (list :value (fun) function)
399 (cons :value ("" "") regexp (repeat string))
402 (defcustom gnus-article-display-method-for-mime
403 'gnus-article-display-mime-message
404 "Function to display a MIME message.
405 The function is called from the article buffer."
406 :group 'gnus-article-mime
409 (defcustom gnus-article-display-method-for-traditional
410 'gnus-article-display-traditional-message
411 "*Function to display a traditional message.
412 The function is called from the article buffer."
413 :group 'gnus-article-mime
416 (defcustom gnus-page-delimiter "^\^L"
417 "*Regexp describing what to use as article page delimiters.
418 The default value is \"^\^L\", which is a form linefeed at the
419 beginning of a line."
421 :group 'gnus-article-various)
423 (defcustom gnus-article-mode-line-format "Gnus: %g %S%m"
424 "*The format specification for the article mode line.
425 See `gnus-summary-mode-line-format' for a closer description.
427 The following additional specs are available:
429 %w The article washing status.
430 %m The number of MIME parts in the article."
432 :group 'gnus-article-various)
434 (defcustom gnus-article-mode-hook nil
435 "*A hook for Gnus article mode."
437 :group 'gnus-article-various)
439 (defcustom gnus-article-menu-hook nil
440 "*Hook run after the creation of the article mode menu."
442 :group 'gnus-article-various)
444 (defcustom gnus-article-prepare-hook nil
445 "*A hook called after an article has been prepared in the article buffer."
447 :group 'gnus-article-various)
449 (defcustom gnus-article-hide-pgp-hook nil
450 "*A hook called after successfully hiding a PGP signature."
452 :group 'gnus-article-various)
454 (defcustom gnus-article-button-face 'bold
455 "Face used for highlighting buttons in the article buffer.
457 An article button is a piece of text that you can activate by pressing
458 `RET' or `mouse-2' above it."
460 :group 'gnus-article-buttons)
462 (defcustom gnus-article-mouse-face 'highlight
463 "Face used for mouse highlighting in the article buffer.
465 Article buttons will be displayed in this face when the cursor is
468 :group 'gnus-article-buttons)
470 (defcustom gnus-signature-face 'gnus-signature-face
471 "Face used for highlighting a signature in the article buffer.
472 Obsolete; use the face `gnus-signature-face' for customizations instead."
474 :group 'gnus-article-highlight
475 :group 'gnus-article-signature)
477 (defface gnus-signature-face
480 "Face used for highlighting a signature in the article buffer."
481 :group 'gnus-article-highlight
482 :group 'gnus-article-signature)
484 (defface gnus-header-from-face
487 (:foreground "spring green"))
490 (:foreground "red3"))
493 "Face used for displaying from headers."
494 :group 'gnus-article-headers
495 :group 'gnus-article-highlight)
497 (defface gnus-header-subject-face
500 (:foreground "SeaGreen3"))
503 (:foreground "red4"))
505 (:bold t :italic t)))
506 "Face used for displaying subject headers."
507 :group 'gnus-article-headers
508 :group 'gnus-article-highlight)
510 (defface gnus-header-newsgroups-face
513 (:foreground "yellow" :italic t))
516 (:foreground "MidnightBlue" :italic t))
519 "Face used for displaying newsgroups headers."
520 :group 'gnus-article-headers
521 :group 'gnus-article-highlight)
523 (defface gnus-header-name-face
526 (:foreground "SeaGreen"))
529 (:foreground "maroon"))
532 "Face used for displaying header names."
533 :group 'gnus-article-headers
534 :group 'gnus-article-highlight)
536 (defface gnus-header-content-face
539 (:foreground "forest green" :italic t))
542 (:foreground "indianred4" :italic t))
544 (:italic t))) "Face used for displaying header content."
545 :group 'gnus-article-headers
546 :group 'gnus-article-highlight)
548 (defcustom gnus-header-face-alist
549 '(("From" nil gnus-header-from-face)
550 ("Subject" nil gnus-header-subject-face)
551 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
552 ("" gnus-header-name-face gnus-header-content-face))
553 "*Controls highlighting of article header.
555 An alist of the form (HEADER NAME CONTENT).
557 HEADER is a regular expression which should match the name of an
558 header header and NAME and CONTENT are either face names or nil.
560 The name of each header field will be displayed using the face
561 specified by the first element in the list where HEADER match the
562 header name and NAME is non-nil. Similarly, the content will be
563 displayed by the first non-nil matching CONTENT face."
564 :group 'gnus-article-headers
565 :group 'gnus-article-highlight
566 :type '(repeat (list (regexp :tag "Header")
568 (item :tag "skip" nil)
569 (face :value default))
570 (choice :tag "Content"
571 (item :tag "skip" nil)
572 (face :value default)))))
574 (defcustom gnus-article-decode-hook nil
575 "*Hook run to decode charsets in articles."
576 :group 'gnus-article-headers
579 (defcustom gnus-display-mime-function 'gnus-display-mime
580 "Function to display MIME articles."
581 :group 'gnus-article-mime
584 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
585 "Function used to decode headers.")
587 (defvar gnus-article-dumbquotes-map
605 "Table for MS-to-Latin1 translation.")
607 (defcustom gnus-ignored-mime-types nil
608 "List of MIME types that should be ignored by Gnus."
609 :group 'gnus-article-mime
610 :type '(repeat regexp))
612 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
613 "List of MIME types that should not be given buttons when rendered."
614 :group 'gnus-article-mime
615 :type '(repeat regexp))
617 (defcustom gnus-article-mime-part-function nil
618 "Function called with a MIME handle as the argument.
619 This is meant for people who want to do something automatic based
620 on parts -- for instance, adding Vcard info to a database."
621 :group 'gnus-article-mime
624 (defcustom gnus-mime-multipart-functions nil
625 "An alist of MIME types to functions to display them.")
627 (defcustom gnus-article-date-lapsed-new-header nil
628 "Whether the X-Sent and Date headers can coexist.
629 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
630 either replace the old \"Date:\" header (if this variable is nil), or
631 be added below it (otherwise)."
632 :group 'gnus-article-headers
636 ;;; The treatment variables
639 (defvar gnus-part-display-hook nil
640 "Hook called on parts that are to receive treatment.")
642 (defvar gnus-article-treat-custom
643 '(choice (const :tag "Off" nil)
645 (const :tag "Header" head)
646 (const :tag "Last" last)
647 (integer :tag "Less")
648 (repeat :tag "Groups" regexp)
649 (sexp :tag "Predicate")))
651 (defvar gnus-article-treat-head-custom
652 '(choice (const :tag "Off" nil)
653 (const :tag "Header" head)))
655 (defvar gnus-article-treat-types '("text/plain")
658 (defvar gnus-inhibit-treatment nil
659 "Whether to inhibit treatment.")
661 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
662 "Highlight the signature.
663 Valid values are nil, t, `head', `last', an integer or a predicate.
664 See the manual for details."
665 :group 'gnus-article-treat
666 :type gnus-article-treat-custom)
667 (put 'gnus-treat-highlight-signature 'highlight t)
669 (defcustom gnus-treat-buttonize t
671 Valid values are nil, t, `head', `last', an integer or a predicate.
672 See the manual for details."
673 :group 'gnus-article-treat
674 :type gnus-article-treat-custom)
675 (put 'gnus-treat-buttonize 'highlight t)
677 (defcustom gnus-treat-buttonize-head 'head
678 "Add buttons to the head.
679 Valid values are nil, t, `head', `last', an integer or a predicate.
680 See the manual for details."
681 :group 'gnus-article-treat
682 :type gnus-article-treat-head-custom)
683 (put 'gnus-treat-buttonize-head 'highlight t)
685 (defcustom gnus-treat-emphasize t
687 Valid values are nil, t, `head', `last', an integer or a predicate.
688 See the manual for details."
689 :group 'gnus-article-treat
690 :type gnus-article-treat-custom)
691 (put 'gnus-treat-emphasize 'highlight t)
693 (defcustom gnus-treat-strip-cr nil
694 "Remove carriage returns.
695 Valid values are nil, t, `head', `last', an integer or a predicate.
696 See the manual for details."
697 :group 'gnus-article-treat
698 :type gnus-article-treat-custom)
700 (defcustom gnus-treat-hide-headers 'head
702 Valid values are nil, t, `head', `last', an integer or a predicate.
703 See the manual for details."
704 :group 'gnus-article-treat
705 :type gnus-article-treat-head-custom)
707 (defcustom gnus-treat-hide-boring-headers nil
708 "Hide boring headers.
709 Valid values are nil, t, `head', `last', an integer or a predicate.
710 See the manual for details."
711 :group 'gnus-article-treat
712 :type gnus-article-treat-head-custom)
714 (defcustom gnus-treat-hide-signature nil
716 Valid values are nil, t, `head', `last', an integer or a predicate.
717 See the manual for details."
718 :group 'gnus-article-treat
719 :type gnus-article-treat-custom)
721 (defcustom gnus-treat-fill-article nil
723 Valid values are nil, t, `head', `last', an integer or a predicate.
724 See the manual for details."
725 :group 'gnus-article-treat
726 :type gnus-article-treat-custom)
728 (defcustom gnus-treat-hide-citation nil
730 Valid values are nil, t, `head', `last', an integer or a predicate.
731 See the manual for details."
732 :group 'gnus-article-treat
733 :type gnus-article-treat-custom)
735 (defcustom gnus-treat-strip-pgp t
736 "Strip PGP signatures.
737 Valid values are nil, t, `head', `last', an integer or a predicate.
738 See the manual for details."
739 :group 'gnus-article-treat
740 :type gnus-article-treat-custom)
742 (defcustom gnus-treat-strip-pem nil
743 "Strip PEM signatures.
744 Valid values are nil, t, `head', `last', an integer or a predicate.
745 See the manual for details."
746 :group 'gnus-article-treat
747 :type gnus-article-treat-custom)
749 (defcustom gnus-treat-strip-banner t
750 "Strip banners from articles.
751 The banner to be stripped is specified in the `banner' group parameter.
752 Valid values are nil, t, `head', `last', an integer or a predicate.
753 See the manual for details."
754 :group 'gnus-article-treat
755 :type gnus-article-treat-custom)
757 (defcustom gnus-treat-highlight-headers 'head
758 "Highlight the headers.
759 Valid values are nil, t, `head', `last', an integer or a predicate.
760 See the manual for details."
761 :group 'gnus-article-treat
762 :type gnus-article-treat-head-custom)
763 (put 'gnus-treat-highlight-headers 'highlight t)
765 (defcustom gnus-treat-highlight-citation t
766 "Highlight cited text.
767 Valid values are nil, t, `head', `last', an integer or a predicate.
768 See the manual for details."
769 :group 'gnus-article-treat
770 :type gnus-article-treat-custom)
771 (put 'gnus-treat-highlight-citation 'highlight t)
773 (defcustom gnus-treat-date-ut nil
774 "Display the Date in UT (GMT).
775 Valid values are nil, t, `head', `last', an integer or a predicate.
776 See the manual for details."
777 :group 'gnus-article-treat
778 :type gnus-article-treat-head-custom)
780 (defcustom gnus-treat-date-local nil
781 "Display the Date in the local timezone.
782 Valid values are nil, t, `head', `last', an integer or a predicate.
783 See the manual for details."
784 :group 'gnus-article-treat
785 :type gnus-article-treat-head-custom)
787 (defcustom gnus-treat-date-lapsed nil
788 "Display the Date header in a way that says how much time has elapsed.
789 Valid values are nil, t, `head', `last', an integer or a predicate.
790 See the manual for details."
791 :group 'gnus-article-treat
792 :type gnus-article-treat-head-custom)
794 (defcustom gnus-treat-date-original nil
795 "Display the date in the original timezone.
796 Valid values are nil, t, `head', `last', an integer or a predicate.
797 See the manual for details."
798 :group 'gnus-article-treat
799 :type gnus-article-treat-head-custom)
801 (defcustom gnus-treat-date-iso8601 nil
802 "Display the date in the ISO8601 format.
803 Valid values are nil, t, `head', `last', an integer or a predicate.
804 See the manual for details."
805 :group 'gnus-article-treat
806 :type gnus-article-treat-head-custom)
808 (defcustom gnus-treat-date-user-defined nil
809 "Display the date in a user-defined format.
810 The format is defined by the `gnus-article-time-format' variable.
811 Valid values are nil, t, `head', `last', an integer or a predicate.
812 See the manual for details."
813 :group 'gnus-article-treat
814 :type gnus-article-treat-head-custom)
816 (defcustom gnus-treat-strip-headers-in-body t
817 "Strip the X-No-Archive header line from the beginning of the body.
818 Valid values are nil, t, `head', `last', an integer or a predicate.
819 See the manual for details."
820 :group 'gnus-article-treat
821 :type gnus-article-treat-custom)
823 (defcustom gnus-treat-strip-trailing-blank-lines nil
824 "Strip trailing blank lines.
825 Valid values are nil, t, `head', `last', an integer or a predicate.
826 See the manual for details."
827 :group 'gnus-article-treat
828 :type gnus-article-treat-custom)
830 (defcustom gnus-treat-strip-leading-blank-lines nil
831 "Strip leading blank lines.
832 Valid values are nil, t, `head', `last', an integer or a predicate.
833 See the manual for details."
834 :group 'gnus-article-treat
835 :type gnus-article-treat-custom)
837 (defcustom gnus-treat-strip-multiple-blank-lines nil
838 "Strip multiple blank lines.
839 Valid values are nil, t, `head', `last', an integer or a predicate.
840 See the manual for details."
841 :group 'gnus-article-treat
842 :type gnus-article-treat-custom)
844 (defcustom gnus-treat-overstrike t
845 "Treat overstrike highlighting.
846 Valid values are nil, t, `head', `last', an integer or a predicate.
847 See the manual for details."
848 :group 'gnus-article-treat
849 :type gnus-article-treat-custom)
850 (put 'gnus-treat-overstrike 'highlight t)
852 (defcustom gnus-treat-display-xface (if (and gnus-xemacs (featurep 'xface))
854 "Display X-Face headers.
855 Valid values are nil, t, `head', `last', an integer or a predicate.
856 See the manual for details."
857 :group 'gnus-article-treat
858 :type gnus-article-treat-head-custom)
859 (put 'gnus-treat-display-xface 'highlight t)
861 (defcustom gnus-treat-display-smileys (if (and gnus-xemacs
865 Valid values are nil, t, `head', `last', an integer or a predicate.
866 See the manual for details."
867 :group 'gnus-article-treat
868 :type gnus-article-treat-custom)
869 (put 'gnus-treat-display-smileys 'highlight t)
871 (defcustom gnus-treat-display-picons (if gnus-xemacs 'head nil)
873 Valid values are nil, t, `head', `last', an integer or a predicate.
874 See the manual for details."
875 :group 'gnus-article-treat
876 :type gnus-article-treat-head-custom)
877 (put 'gnus-treat-display-picons 'highlight t)
879 (defcustom gnus-treat-capitalize-sentences nil
880 "Capitalize sentence-starting words.
881 Valid values are nil, t, `head', `last', an integer or a predicate.
882 See the manual for details."
883 :group 'gnus-article-treat
884 :type gnus-article-treat-custom)
886 (defcustom gnus-treat-fill-long-lines nil
888 Valid values are nil, t, `head', `last', an integer or a predicate.
889 See the manual for details."
890 :group 'gnus-article-treat
891 :type gnus-article-treat-custom)
893 (defcustom gnus-treat-play-sounds nil
895 Valid values are nil, t, `head', `last', an integer or a predicate.
896 See the manual for details."
897 :group 'gnus-article-treat
898 :type gnus-article-treat-custom)
900 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
901 "Decode an article as `default-mime-charset'. For instance, if you want to
902 attempt to decode an article even if the value of `gnus-show-mime' is nil,
903 you could set this variable to something like: nil for don't decode, t for
904 decode the body, '(or header t) for the whole article, etc."
905 :group 'gnus-article-treat
906 :type '(radio (const :tag "Off" nil)
907 (const :tag "Decode body" t)
908 (const :tag "Decode all" (or head t))))
910 (defcustom gnus-treat-translate nil
911 "Translate articles from one language to another.
912 Valid values are nil, t, `head', `last', an integer or a predicate.
913 See the manual for details."
914 :group 'gnus-article-treat
915 :type gnus-article-treat-custom)
917 ;;; Internal variables
919 (defvar article-goto-body-goes-to-point-min-p nil)
920 (defvar gnus-article-wash-types nil)
921 (defvar gnus-article-emphasis-alist nil)
923 (defvar gnus-article-mime-handle-alist-1 nil)
924 (defvar gnus-treatment-function-alist
925 '((gnus-treat-strip-banner gnus-article-strip-banner)
926 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
927 (gnus-treat-buttonize gnus-article-add-buttons)
928 (gnus-treat-fill-article gnus-article-fill-cited-article)
929 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
930 (gnus-treat-strip-cr gnus-article-remove-cr)
931 (gnus-treat-emphasize gnus-article-emphasize)
932 (gnus-treat-display-xface gnus-article-display-x-face)
933 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
934 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
935 (gnus-treat-hide-signature gnus-article-hide-signature)
936 (gnus-treat-hide-citation gnus-article-hide-citation)
937 (gnus-treat-strip-pgp gnus-article-hide-pgp)
938 (gnus-treat-strip-pem gnus-article-hide-pem)
939 (gnus-treat-highlight-headers gnus-article-highlight-headers)
940 (gnus-treat-highlight-citation gnus-article-highlight-citation)
941 (gnus-treat-highlight-signature gnus-article-highlight-signature)
942 (gnus-treat-date-ut gnus-article-date-ut)
943 (gnus-treat-date-local gnus-article-date-local)
944 (gnus-treat-date-lapsed gnus-article-date-lapsed)
945 (gnus-treat-date-original gnus-article-date-original)
946 (gnus-treat-date-user-defined gnus-article-date-user)
947 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
948 (gnus-treat-strip-trailing-blank-lines
949 gnus-article-remove-trailing-blank-lines)
950 (gnus-treat-strip-leading-blank-lines
951 gnus-article-strip-leading-blank-lines)
952 (gnus-treat-strip-multiple-blank-lines
953 gnus-article-strip-multiple-blank-lines)
954 (gnus-treat-overstrike gnus-article-treat-overstrike)
955 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
956 (gnus-treat-display-smileys gnus-smiley-display)
957 (gnus-treat-display-picons gnus-article-display-picons)
958 (gnus-treat-play-sounds gnus-earcon-display)
959 (gnus-treat-decode-article-as-default-mime-charset
960 gnus-article-decode-article-as-default-mime-charset)))
962 (defvar gnus-article-mime-handle-alist nil)
963 (defvar article-lapsed-timer nil)
964 (defvar gnus-article-current-summary nil)
966 (defvar gnus-article-mode-syntax-table
967 (let ((table (copy-syntax-table text-mode-syntax-table)))
968 (modify-syntax-entry ?- "w" table)
969 (modify-syntax-entry ?> ")" table)
970 (modify-syntax-entry ?< "(" table)
972 "Syntax table used in article mode buffers.
973 Initialized from `text-mode-syntax-table.")
975 (defvar gnus-save-article-buffer nil)
977 (defvar gnus-article-mode-line-format-alist
978 (nconc '((?w (gnus-article-wash-status) ?s)
979 (?m (gnus-article-mime-part-status) ?s))
980 gnus-summary-mode-line-format-alist))
982 (defvar gnus-number-of-articles-to-be-saved nil)
984 (defvar gnus-inhibit-hiding nil)
986 (defsubst gnus-article-hide-text (b e props)
987 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
988 (add-text-properties b e props)
989 (when (memq 'intangible props)
991 (max (1- b) (point-min))
992 b 'intangible (cddr (memq 'intangible props)))))
993 (defsubst gnus-article-unhide-text (b e)
994 "Remove hidden text properties from region between B and E."
995 (remove-text-properties b e gnus-hidden-properties)
996 (when (memq 'intangible gnus-hidden-properties)
997 (put-text-property (max (1- b) (point-min))
1000 (defun gnus-article-hide-text-type (b e type)
1001 "Hide text of TYPE between B and E."
1002 (push type gnus-article-wash-types)
1003 (gnus-article-hide-text
1004 b e (cons 'article-type (cons type gnus-hidden-properties))))
1006 (defun gnus-article-unhide-text-type (b e type)
1007 "Unhide text of TYPE between B and E."
1008 (setq gnus-article-wash-types
1009 (delq type gnus-article-wash-types))
1010 (remove-text-properties
1011 b e (cons 'article-type (cons type gnus-hidden-properties)))
1012 (when (memq 'intangible gnus-hidden-properties)
1013 (put-text-property (max (1- b) (point-min))
1014 b 'intangible nil)))
1016 (defun gnus-article-hide-text-of-type (type)
1017 "Hide text of TYPE in the current buffer."
1019 (let ((b (point-min))
1021 (while (setq b (text-property-any b e 'article-type type))
1022 (add-text-properties b (incf b) gnus-hidden-properties)))))
1024 (defun gnus-article-delete-text-of-type (type)
1025 "Delete text of TYPE in the current buffer."
1027 (let ((b (point-min)))
1028 (while (setq b (text-property-any b (point-max) 'article-type type))
1030 b (or (text-property-not-all b (point-max) 'article-type type)
1033 (defun gnus-article-delete-invisible-text ()
1034 "Delete all invisible text in the current buffer."
1036 (let ((b (point-min)))
1037 (while (setq b (text-property-any b (point-max) 'invisible t))
1039 b (or (text-property-not-all b (point-max) 'invisible t)
1042 (defun gnus-article-text-type-exists-p (type)
1043 "Say whether any text of type TYPE exists in the buffer."
1044 (text-property-any (point-min) (point-max) 'article-type type))
1046 (defsubst gnus-article-header-rank ()
1047 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1048 (let ((list gnus-sorted-header-list)
1051 (when (looking-at (car list))
1053 (setq list (cdr list))
1057 (defun article-hide-headers (&optional arg delete)
1058 "Hide unwanted headers and possibly sort them as well."
1059 (interactive (gnus-article-hidden-arg))
1060 ;; Lars said that this function might be inhibited.
1061 (if (gnus-article-check-hidden-text 'headers arg)
1063 ;; Show boring headers as well.
1064 (gnus-article-show-hidden-text 'boring-headers)
1065 (when (eq 1 (point-min))
1066 (set-window-start (get-buffer-window (current-buffer)) 1)))
1067 (unless gnus-inhibit-hiding
1070 (let ((buffer-read-only nil)
1071 (inhibit-read-only t)
1072 (case-fold-search t)
1073 (max (1+ (length gnus-sorted-header-list)))
1074 (ignored (when (not gnus-visible-headers)
1075 (cond ((stringp gnus-ignored-headers)
1076 gnus-ignored-headers)
1077 ((listp gnus-ignored-headers)
1078 (mapconcat 'identity gnus-ignored-headers
1081 (cond ((stringp gnus-visible-headers)
1082 gnus-visible-headers)
1083 ((and gnus-visible-headers
1084 (listp gnus-visible-headers))
1085 (mapconcat 'identity gnus-visible-headers "\\|"))))
1086 (inhibit-point-motion-hooks t)
1088 ;; First we narrow to just the headers.
1089 (article-narrow-to-head)
1090 ;; Hide any "From " lines at the beginning of (mail) articles.
1091 (while (looking-at "From ")
1095 (delete-region (point-min) (point))
1096 (gnus-article-hide-text (point-min) (point)
1097 (nconc (list 'article-type 'headers)
1098 gnus-hidden-properties))))
1099 ;; Then treat the rest of the header lines.
1100 ;; Then we use the two regular expressions
1101 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1102 ;; select which header lines is to remain visible in the
1104 (while (re-search-forward "^[^ \t]*:" nil t)
1106 ;; Mark the rank of the header.
1108 (point) (1+ (point)) 'message-rank
1109 (if (or (and visible (looking-at visible))
1111 (not (looking-at ignored))))
1112 (gnus-article-header-rank)
1115 (message-sort-headers-1)
1116 (when (setq beg (text-property-any
1117 (point-min) (point-max) 'message-rank (+ 2 max)))
1118 ;; We delete or make invisible the unwanted headers.
1121 (add-text-properties
1122 (point-min) (+ 5 (point-min))
1123 '(article-type headers dummy-invisible t))
1124 (delete-region beg (point-max)))
1125 (gnus-article-hide-text-type beg (point-max) 'headers))))))))
1128 (defun article-hide-boring-headers (&optional arg)
1129 "Toggle hiding of headers that aren't very interesting.
1130 If given a negative prefix, always show; if given a positive prefix,
1132 (interactive (gnus-article-hidden-arg))
1133 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1134 (not gnus-show-all-headers))
1137 (let ((buffer-read-only nil)
1138 (list gnus-boring-article-headers)
1139 (inhibit-point-motion-hooks t)
1141 (article-narrow-to-head)
1143 (setq elem (pop list))
1144 (goto-char (point-min))
1146 ;; Hide empty headers.
1148 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1150 (gnus-article-hide-text-type
1151 (progn (beginning-of-line) (point))
1154 (if (re-search-forward "^[^ \t]" nil t)
1158 ;; Hide boring Newsgroups header.
1159 ((eq elem 'newsgroups)
1160 (when (equal (gnus-fetch-field "newsgroups")
1161 (gnus-group-real-name
1162 (if (boundp 'gnus-newsgroup-name)
1165 (gnus-article-hide-header "newsgroups")))
1166 ((eq elem 'followup-to)
1167 (when (equal (message-fetch-field "followup-to")
1168 (message-fetch-field "newsgroups"))
1169 (gnus-article-hide-header "followup-to")))
1170 ((eq elem 'reply-to)
1171 (let ((from (message-fetch-field "from"))
1172 (reply-to (message-fetch-field "reply-to")))
1177 (nth 1 (funcall gnus-extract-address-components from))
1178 (nth 1 (funcall gnus-extract-address-components reply-to)))))
1179 (gnus-article-hide-header "reply-to"))))
1181 (let ((date (message-fetch-field "date")))
1183 (< (days-between (current-time-string) date)
1185 (gnus-article-hide-header "date"))))
1187 (let ((to (message-fetch-field "to")))
1188 (when (> (length to) 1024)
1189 (gnus-article-hide-header "to"))))
1192 (goto-char (point-min))
1193 (while (re-search-forward "^to:" nil t)
1194 (setq to-count (1+ to-count)))
1195 (when (> to-count 1)
1196 (while (> to-count 0)
1197 (goto-char (point-min))
1199 (re-search-forward "^to:" nil nil to-count)
1201 (narrow-to-region (point) (point-max))
1202 (gnus-article-hide-header "to"))
1203 (setq to-count (1- to-count)))))))))))))
1205 (defun gnus-article-hide-header (header)
1207 (goto-char (point-min))
1208 (when (re-search-forward (concat "^" header ":") nil t)
1209 (gnus-article-hide-text-type
1210 (progn (beginning-of-line) (point))
1213 (if (re-search-forward "^[^ \t]" nil t)
1218 (defun article-toggle-headers (&optional arg)
1219 "Toggle hiding of headers. If given a negative prefix, always show;
1220 if given a positive prefix, always hide."
1221 (interactive (gnus-article-hidden-arg))
1222 (let ((force (when (numberp arg)
1223 (cond ((> arg 0) 'always-hide)
1224 ((< arg 0) 'always-show))))
1225 (window (get-buffer-window gnus-article-buffer))
1226 (header-end (point-min))
1227 header-start field-end field-start
1228 (inhibit-point-motion-hooks t)
1229 (inhibit-read-only t)
1233 (while (and (setq header-start
1234 (text-property-any header-end (point-max)
1235 'article-treated-header t))
1237 (text-property-not-all header-start (point-max)
1238 'article-treated-header t)))
1239 (setq field-end header-start)
1241 (;; Hide exposed invisible fields.
1242 (and (not (eq 'always-show force))
1244 (text-property-any field-end header-end
1245 'exposed-invisible-field t)))
1246 (while (and field-start
1247 (setq field-end (text-property-not-all
1248 field-start header-end
1249 'exposed-invisible-field t)))
1250 (add-text-properties field-start field-end gnus-hidden-properties)
1251 (setq field-start (text-property-any field-end header-end
1252 'exposed-invisible-field t)))
1253 (put-text-property header-start header-end
1254 'exposed-invisible-field nil))
1255 (;; Expose invisible fields.
1256 (and (not (eq 'always-hide force))
1258 (text-property-any field-end header-end 'invisible t)))
1259 (while (and field-start
1260 (setq field-end (text-property-not-all
1261 field-start header-end
1263 ;; If the invisible text is not terminated with newline, we
1264 ;; won't expose it. Because it may be created by x-face-mule.
1265 ;; BTW, XEmacs sometimes fail in putting a invisible text
1266 ;; property with `gnus-article-hide-text' (really?). In that
1267 ;; case, the invisible text might be started from the middle of
1268 ;; a line so we will expose the sort of thing.
1269 (when (or (not (or (eq header-start field-start)
1270 (eq ?\n (char-before field-start))))
1271 (eq ?\n (char-before field-end)))
1272 (remove-text-properties field-start field-end
1273 gnus-hidden-properties)
1274 (put-text-property field-start field-end
1275 'exposed-invisible-field t))
1276 (setq field-start (text-property-any field-end header-end
1279 (not (eq 'always-show force))
1280 (narrow-to-region header-start header-end)
1281 (article-hide-headers)
1282 ;; Re-display X-Face image under XEmacs.
1283 (when (and gnus-xemacs
1284 (gnus-functionp gnus-article-x-face-command))
1285 (let ((func (cadr (assq 'gnus-treat-display-xface
1286 gnus-treatment-function-alist)))
1289 (gnus-treat-predicate gnus-treat-display-xface))
1291 (put-text-property header-start header-end 'read-only nil))))
1294 (goto-char (point-min))
1296 (set-window-start window (point-min))))))
1298 (defvar gnus-article-normalized-header-length 40
1299 "Length of normalized headers.")
1301 (defun article-normalize-headers ()
1302 "Make all header lines 40 characters long."
1304 (let ((buffer-read-only nil)
1308 (article-narrow-to-head)
1311 ((< (setq column (- (gnus-point-at-eol) (point)))
1312 gnus-article-normalized-header-length)
1314 (insert (make-string
1315 (- gnus-article-normalized-header-length column)
1317 ((> column gnus-article-normalized-header-length)
1318 (gnus-put-text-property
1320 (forward-char gnus-article-normalized-header-length)
1327 (forward-line 1))))))
1329 (defun article-treat-dumbquotes ()
1330 "Translate M******** sm*rtq**t*s into proper text.
1331 Note that this function guesses whether a character is a sm*rtq**t* or
1332 not, so it should only be used interactively."
1334 (article-translate-strings gnus-article-dumbquotes-map))
1336 (defun article-translate-characters (from to)
1337 "Translate all characters in the body of the article according to FROM and TO.
1338 FROM is a string of characters to translate from; to is a string of
1339 characters to translate to."
1341 (when (article-goto-body)
1342 (let ((buffer-read-only nil)
1343 (x (make-string 225 ?x))
1345 (while (< (incf i) (length x))
1348 (while (< i (length from))
1349 (aset x (aref from i) (aref to i))
1351 (translate-region (point) (point-max) x)))))
1353 (defun article-translate-strings (map)
1354 "Translate all string in the body of the article according to MAP.
1355 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1357 (when (article-goto-body)
1358 (let ((buffer-read-only nil)
1360 (while (setq elem (pop map))
1362 (while (search-forward (car elem) nil t)
1363 (replace-match (cadr elem)))))))))
1365 (defun article-treat-overstrike ()
1366 "Translate overstrikes into bold text."
1369 (when (article-goto-body)
1370 (let ((buffer-read-only nil))
1371 (while (search-forward "\b" nil t)
1372 (let ((next (char-after))
1373 (previous (char-after (- (point) 2))))
1374 ;; We do the boldification/underlining by hiding the
1375 ;; overstrikes and putting the proper text property
1379 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1380 (put-text-property (point) (1+ (point)) 'face 'bold))
1382 (gnus-article-hide-text-type
1383 (1- (point)) (1+ (point)) 'overstrike)
1385 (- (point) 2) (1- (point)) 'face 'underline))
1387 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1389 (point) (1+ (point)) 'face 'underline)))))))))
1391 (defun article-fill-long-lines ()
1392 "Fill lines that are wider than the window width."
1395 (let ((buffer-read-only nil)
1396 (width (window-width (get-buffer-window (current-buffer)))))
1399 (let ((adaptive-fill-mode nil))
1402 (when (>= (current-column) (min fill-column width))
1403 (narrow-to-region (point) (gnus-point-at-bol))
1404 (fill-paragraph nil)
1405 (goto-char (point-max))
1407 (forward-line 1)))))))
1409 (defun article-capitalize-sentences ()
1410 "Capitalize the first word in each sentence."
1413 (let ((buffer-read-only nil)
1414 (paragraph-start "^[\n\^L]"))
1418 (forward-sentence)))))
1420 (defun article-remove-cr ()
1421 "Remove trailing CRs and then translate remaining CRs into LFs."
1424 (let ((buffer-read-only nil))
1425 (goto-char (point-min))
1426 (while (re-search-forward "\r+$" nil t)
1427 (replace-match "" t t))
1428 (goto-char (point-min))
1429 (while (search-forward "\r" nil t)
1430 (replace-match "\n" t t)))))
1432 (defun article-remove-trailing-blank-lines ()
1433 "Remove all trailing blank lines from the article."
1436 (let ((buffer-read-only nil))
1437 (goto-char (point-max))
1441 (while (and (not (bobp))
1442 (looking-at "^[ \t]*$")
1443 (not (gnus-annotation-in-region-p
1444 (point) (gnus-point-at-eol))))
1449 (defun article-display-x-face (&optional force)
1450 "Look for an X-Face header and display it if present."
1451 (interactive (list 'force))
1453 ;; Delete the old process, if any.
1454 (when (process-status "article-x-face")
1455 (delete-process "article-x-face"))
1456 (let ((inhibit-point-motion-hooks t)
1457 (case-fold-search t)
1460 (article-narrow-to-head)
1461 (goto-char (point-min))
1462 (setq from (message-fetch-field "from"))
1463 (goto-char (point-min))
1464 (while (and gnus-article-x-face-command
1467 ;; Check whether this face is censored.
1468 (not gnus-article-x-face-too-ugly)
1469 (and gnus-article-x-face-too-ugly from
1470 (not (string-match gnus-article-x-face-too-ugly
1472 ;; Has to be present.
1473 (re-search-forward "^X-Face: " nil t))
1474 ;; This used to try to do multiple faces (`while' instead of
1475 ;; `when' above), but (a) sending multiple EOFs to xv doesn't
1476 ;; work (b) it can crash some versions of Emacs (c) are
1477 ;; multiple faces really something to encourage?
1478 (when (stringp gnus-article-x-face-command)
1480 ;; We now have the area of the buffer where the X-Face is stored.
1483 (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t))))
1484 ;; We display the face.
1485 (if (symbolp gnus-article-x-face-command)
1486 ;; The command is a lisp function, so we call it.
1487 (if (gnus-functionp gnus-article-x-face-command)
1488 (funcall gnus-article-x-face-command beg end)
1489 (error "%s is not a function" gnus-article-x-face-command))
1490 ;; The command is a string, so we interpret the command
1491 ;; as a, well, command, and fork it off.
1492 (let ((process-connection-type nil))
1493 (process-kill-without-query
1495 "article-x-face" nil shell-file-name shell-command-switch
1496 gnus-article-x-face-command))
1497 (process-send-region "article-x-face" beg end)
1498 (process-send-eof "article-x-face"))))))))))
1500 (defun article-decode-mime-words ()
1501 "Decode all MIME-encoded words in the article."
1504 (set-buffer gnus-article-buffer)
1505 (let ((inhibit-point-motion-hooks t)
1507 (mail-parse-charset gnus-newsgroup-charset)
1508 (mail-parse-ignored-charsets
1509 (save-excursion (set-buffer gnus-summary-buffer)
1510 gnus-newsgroup-ignored-charsets)))
1511 (mail-decode-encoded-word-region (point-min) (point-max)))))
1513 (defun article-decode-charset (&optional prompt)
1514 "Decode charset-encoded text in the article.
1515 If PROMPT (the prefix), prompt for a coding system to use."
1519 (article-narrow-to-head)
1520 (let* ((inhibit-point-motion-hooks t)
1521 (case-fold-search t)
1522 (ct (message-fetch-field "Content-Type" t))
1523 (cte (message-fetch-field "Content-Transfer-Encoding" t))
1524 (ctl (and ct (ignore-errors
1525 (mail-header-parse-content-type ct))))
1528 (mm-read-coding-system "Charset to decode: "))
1530 (mail-content-type-get ctl 'charset))))
1531 (mail-parse-charset gnus-newsgroup-charset)
1532 (mail-parse-ignored-charsets
1533 (save-excursion (set-buffer gnus-summary-buffer)
1534 gnus-newsgroup-ignored-charsets))
1536 (goto-char (point-max))
1539 (narrow-to-region (point) (point-max))
1540 (when (and (or (not ctl)
1541 (equal (car ctl) "text/plain"))
1544 charset (and cte (intern (downcase
1545 (gnus-strip-whitespace cte))))
1548 (defun article-decode-encoded-words ()
1549 "Remove encoded-word encoding from headers."
1550 (let (buffer-read-only)
1551 (let ((charset (save-excursion
1552 (set-buffer gnus-summary-buffer)
1553 default-mime-charset)))
1554 (mime-decode-header-in-buffer charset)
1557 (defun article-de-quoted-unreadable (&optional force)
1558 "Translate a quoted-printable-encoded article.
1559 If FORCE, decode the article whether it is marked as quoted-printable
1561 (interactive (list 'force))
1563 (let ((buffer-read-only nil)
1564 (type (gnus-fetch-field "content-transfer-encoding"))
1565 (charset gnus-newsgroup-charset))
1567 (and type (string-match "quoted-printable" (downcase type))))
1570 (narrow-to-region (point) (point-max))
1571 (quoted-printable-decode-region (point-min) (point-max))
1573 (mm-decode-body charset)))))))
1575 (defun article-hide-pgp ()
1576 "Remove any PGP headers and signatures in the current article."
1580 (let ((inhibit-point-motion-hooks t)
1581 buffer-read-only beg end)
1583 ;; Hide the "header".
1584 (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
1585 (push 'pgp gnus-article-wash-types)
1586 (delete-region (match-beginning 0) (match-end 0))
1587 ;; PGP 5 and GNU PG add a `Hash: <>' comment, hide that too
1588 (when (looking-at "Hash:.*$")
1589 (delete-region (point) (1+ (gnus-point-at-eol))))
1591 ;; Hide the actual signature.
1592 (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
1593 (setq end (1+ (match-beginning 0)))
1596 (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
1598 ;; Perhaps we shouldn't hide to the end of the buffer
1599 ;; if there is no end to the signature?
1601 ;; Hide "- " PGP quotation markers.
1603 (narrow-to-region beg end)
1604 (goto-char (point-min))
1605 (while (re-search-forward "^- " nil t)
1607 (match-beginning 0) (match-end 0)))
1609 (gnus-run-hooks 'gnus-article-hide-pgp-hook))))))
1611 (defun article-hide-pem (&optional arg)
1612 "Toggle hiding of any PEM headers and signatures in the current article.
1613 If given a negative prefix, always show; if given a positive prefix,
1615 (interactive (gnus-article-hidden-arg))
1616 (unless (gnus-article-check-hidden-text 'pem arg)
1618 (let (buffer-read-only end)
1619 (goto-char (point-min))
1620 ;; Hide the horrendously ugly "header".
1621 (when (and (search-forward
1622 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
1624 (setq end (1+ (match-beginning 0))))
1625 (push 'pem gnus-article-wash-types)
1626 (gnus-article-hide-text-type
1628 (if (search-forward "\n\n" nil t)
1632 ;; Hide the trailer as well
1633 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
1635 (gnus-article-hide-text-type
1636 (match-beginning 0) (match-end 0) 'pem)))))))
1638 (defun article-strip-banner ()
1639 "Strip the banner specified by the `banner' group parameter."
1643 (let ((inhibit-point-motion-hooks t)
1644 (banner (gnus-group-get-parameter gnus-newsgroup-name 'banner))
1645 (gnus-signature-limit nil)
1646 buffer-read-only beg end)
1650 ((eq banner 'signature)
1651 (when (gnus-article-narrow-to-signature)
1654 (delete-region (point) (point-max))))
1656 (while (re-search-forward banner nil t)
1657 (delete-region (match-beginning 0) (match-end 0))))))))))
1659 (defun article-babel-prompt ()
1660 "Prompt for a babel translation."
1662 (completing-read "Translate from: "
1663 babel-translations nil t
1664 (car (car babel-translations))
1667 (defun article-babel (translation)
1668 "Translate article according to TRANSLATION using babelfish."
1669 (interactive (list (article-babel-prompt)))
1672 (set-buffer gnus-article-buffer)
1673 (when (article-goto-body)
1674 (let* ((buffer-read-only nil)
1677 (msg (buffer-substring start end)))
1679 (narrow-to-region start end)
1680 (delete-region start end)
1681 (babel-fetch msg (cdr (assoc translation babel-translations)))
1683 (narrow-to-region start (point-max))
1686 (defun article-hide-signature (&optional arg)
1687 "Hide the signature in the current article.
1688 If given a negative prefix, always show; if given a positive prefix,
1690 (interactive (gnus-article-hidden-arg))
1691 (unless (gnus-article-check-hidden-text 'signature arg)
1694 (let ((buffer-read-only nil))
1695 (when (gnus-article-narrow-to-signature)
1696 (gnus-article-hide-text-type
1697 (point-min) (point-max) 'signature)))))))
1699 (defun article-strip-headers-in-body ()
1700 "Strip offensive headers from bodies."
1704 (let ((case-fold-search t))
1705 (when (looking-at "x-no-archive:")
1706 (gnus-delete-line)))))
1708 (defun article-strip-leading-blank-lines ()
1709 "Remove all blank lines from the beginning of the article."
1712 (let ((inhibit-point-motion-hooks t)
1714 (when (article-goto-body)
1715 (while (and (not (eobp))
1716 (looking-at "[ \t]*$"))
1717 (gnus-delete-line))))))
1719 (defun article-narrow-to-head ()
1720 "Narrow the buffer to the head of the message.
1721 Point is left at the beginning of the narrowed-to region."
1723 (goto-char (point-min))
1724 (if (search-forward "\n\n" nil 1)
1727 (goto-char (point-min)))
1729 (defun article-goto-body ()
1730 "Place point at the start of the body."
1731 (goto-char (point-min))
1733 ;; This variable is only bound when dealing with separate
1735 (article-goto-body-goes-to-point-min-p
1737 ((search-forward "\n\n" nil t)
1740 (goto-char (point-max))
1743 (defun article-strip-multiple-blank-lines ()
1744 "Replace consecutive blank lines with one empty line."
1747 (let ((inhibit-point-motion-hooks t)
1749 ;; First make all blank lines empty.
1751 (while (re-search-forward "^[ \t]+$" nil t)
1752 (unless (gnus-annotation-in-region-p
1753 (match-beginning 0) (match-end 0))
1754 (replace-match "" nil t)))
1755 ;; Then replace multiple empty lines with a single empty line.
1757 (while (re-search-forward "\n\n\n+" nil t)
1758 (unless (gnus-annotation-in-region-p
1759 (match-beginning 0) (match-end 0))
1760 (replace-match "\n\n" t t))))))
1762 (defun article-strip-leading-space ()
1763 "Remove all white space from the beginning of the lines in the article."
1766 (let ((inhibit-point-motion-hooks t)
1769 (while (re-search-forward "^[ \t]+" nil t)
1770 (replace-match "" t t)))))
1772 (defun article-strip-trailing-space ()
1773 "Remove all white space from the end of the lines in the article."
1776 (let ((inhibit-point-motion-hooks t)
1779 (while (re-search-forward "[ \t]+$" nil t)
1780 (replace-match "" t t)))))
1782 (defun article-strip-blank-lines ()
1783 "Strip leading, trailing and multiple blank lines."
1785 (article-strip-leading-blank-lines)
1786 (article-remove-trailing-blank-lines)
1787 (article-strip-multiple-blank-lines))
1789 (defun article-strip-all-blank-lines ()
1790 "Strip all blank lines."
1793 (let ((inhibit-point-motion-hooks t)
1796 (while (re-search-forward "^[ \t]*\n" nil t)
1797 (replace-match "" t t)))))
1799 (defun gnus-article-narrow-to-signature ()
1800 "Narrow to the signature; return t if a signature is found, else nil."
1801 (let ((inhibit-point-motion-hooks t))
1802 (when (gnus-article-search-signature)
1804 ;; Check whether we have some limits to what we consider
1805 ;; to be a signature.
1806 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
1807 (list gnus-signature-limit)))
1809 (while (setq limit (pop limits))
1810 (if (or (and (integerp limit)
1811 (< (- (point-max) (point)) limit))
1813 (< (count-lines (point) (point-max)) limit))
1814 (and (gnus-functionp limit)
1816 (and (stringp limit)
1817 (not (re-search-forward limit nil t))))
1818 () ; This limit did not succeed.
1822 (narrow-to-region (point) (point-max))
1825 (defun gnus-article-search-signature ()
1826 "Search the current buffer for the signature separator.
1827 Put point at the beginning of the signature separator."
1828 (let ((cur (point)))
1829 (goto-char (point-max))
1830 (if (if (stringp gnus-signature-separator)
1831 (re-search-backward gnus-signature-separator nil t)
1832 (let ((seps gnus-signature-separator))
1834 (not (re-search-backward (car seps) nil t)))
1841 (defun gnus-article-hidden-arg ()
1842 "Return the current prefix arg as a number, or 0 if no prefix."
1843 (list (if current-prefix-arg
1844 (prefix-numeric-value current-prefix-arg)
1847 (defun gnus-article-check-hidden-text (type arg)
1848 "Return nil if hiding is necessary.
1849 Arg can be nil or a number. Nil and positive means hide, negative
1850 means show, 0 means toggle."
1853 (let ((hide (gnus-article-hidden-text-p type)))
1859 (gnus-article-show-hidden-text type))
1861 (if (eq hide 'hidden)
1862 (gnus-article-show-hidden-text type)
1865 (defun gnus-article-hidden-text-p (type)
1866 "Say whether the current buffer contains hidden text of type TYPE."
1867 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
1869 (not (get-text-property pos 'invisible))
1870 (not (get-text-property pos 'dummy-invisible)))
1872 (text-property-any (1+ pos) (point-max) 'article-type type)))
1877 (defun gnus-article-show-hidden-text (type &optional hide)
1878 "Show all hidden text of type TYPE.
1879 If HIDE, hide the text instead."
1881 (let ((buffer-read-only nil)
1882 (inhibit-point-motion-hooks t)
1885 (while (setq beg (text-property-any end (point-max) 'article-type type))
1888 (text-property-not-all beg (point-max) 'article-type type)
1891 (gnus-article-hide-text beg end gnus-hidden-properties)
1892 (gnus-article-unhide-text beg end))
1896 (defconst article-time-units
1897 `((year . ,(* 365.25 24 60 60))
1898 (week . ,(* 7 24 60 60))
1899 (day . ,(* 24 60 60))
1903 "Mapping from time units to seconds.")
1905 (defun article-date-ut (&optional type highlight header)
1906 "Convert DATE date to universal time in the current article.
1907 If TYPE is `local', convert to local time; if it is `lapsed', output
1908 how much time has lapsed since DATE. For `lapsed', the value of
1909 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
1910 should replace the \"Date:\" one, or should be added below it."
1911 (interactive (list 'ut t))
1912 (let* ((header (or header
1913 (and (eq 1 (point-min))
1914 (mail-header-date (save-excursion
1915 (set-buffer gnus-summary-buffer)
1916 gnus-current-headers)))
1917 (message-fetch-field "date")
1919 (date (if (vectorp header) (mail-header-date header)
1921 (inhibit-point-motion-hooks t)
1922 bface eface date-pos)
1923 (when (and date (not (string= date "")))
1926 (article-narrow-to-head)
1927 (when (or (and (eq type 'lapsed)
1928 gnus-article-date-lapsed-new-header
1929 ;; Attempt to get the face of X-Sent first.
1930 (re-search-forward "^X-Sent:[ \t]" nil t))
1931 (re-search-forward "^Date:[ \t]" nil t)
1932 ;; If Date is missing, try again for X-Sent.
1933 (re-search-forward "^X-Sent:[ \t]" nil t))
1934 (setq bface (get-text-property (gnus-point-at-bol) 'face)
1935 eface (get-text-property (1- (gnus-point-at-eol))
1937 (let ((buffer-read-only nil))
1938 ;; Delete any old X-Sent headers.
1939 (when (setq date-pos
1940 (text-property-any (point-min) (point-max)
1941 'article-date-lapsed t))
1942 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
1943 (delete-region (match-beginning 0)
1944 (progn (forward-line 1) (point))))
1945 (goto-char (point-min))
1946 ;; Delete any old Date headers.
1947 (while (re-search-forward "^Date:[ \t]" nil t)
1949 (setq date-pos (match-beginning 0)))
1950 (unless (and (eq type 'lapsed)
1951 gnus-article-date-lapsed-new-header)
1952 (delete-region (match-beginning 0)
1953 (progn (message-next-header) (point)))))
1956 (goto-char date-pos)
1958 ;; Possibly, Date has been deleted.
1960 (when (and (eq type 'lapsed)
1961 gnus-article-date-lapsed-new-header
1962 (looking-at "Date:"))
1964 (goto-char (point-min)))
1965 (insert (article-make-date-line date type))
1966 (when (eq type 'lapsed)
1967 (put-text-property (gnus-point-at-bol) (point)
1968 'article-date-lapsed t))
1972 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
1973 (put-text-property (match-beginning 1) (1+ (match-end 1))
1975 (put-text-property (match-beginning 2) (match-end 2)
1978 (defun article-make-date-line (date type)
1979 "Return a DATE line of TYPE."
1980 (let ((time (condition-case ()
1984 ;; Convert to the local timezone. We have to slap a
1985 ;; `condition-case' round the calls to the timezone
1986 ;; functions since they aren't particularly resistant to
1989 (let ((tz (car (current-time-zone))))
1990 (format "Date: %s %s%02d%02d" (current-time-string time)
1991 (if (> tz 0) "+" "-") (/ tz 3600) (/ (% tz 3600) 60))))
1992 ;; Convert to Universal Time.
1995 (current-time-string
1996 (let* ((e (parse-time-string date))
1997 (tm (apply 'encode-time e))
1999 (ls (- (cadr tm) (car (current-time-zone)))))
2000 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2001 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2004 ;; Get the original date from the article.
2005 ((eq type 'original)
2006 (concat "Date: " (if (string-match "\n+$" date)
2007 (substring date 0 (match-beginning 0))
2009 ;; Let the user define the format.
2011 (if (gnus-functionp gnus-article-time-format)
2012 (funcall gnus-article-time-format time)
2015 (format-time-string gnus-article-time-format time))))
2020 (format-time-string "%Y%m%dT%H%M%S" time)))
2021 ;; Do an X-Sent lapsed format.
2023 ;; If the date is seriously mangled, the timezone functions are
2024 ;; liable to bug out, so we ignore all errors.
2025 (let* ((now (current-time))
2026 (real-time (subtract-time now time))
2027 (real-sec (and real-time
2028 (+ (* (float (car real-time)) 65536)
2030 (sec (and real-time (abs real-sec)))
2040 ;; This is a bit convoluted, but basically we go
2041 ;; through the time units for years, weeks, etc,
2042 ;; and divide things to see whether that results
2043 ;; in positive answers.
2046 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2047 ;; The (remaining) seconds are too few to
2048 ;; be divided into this time unit.
2050 ;; It's big enough, so we output it.
2051 (setq sec (- sec (* num (cdr unit))))
2053 (concat (if prev ", " "") (int-to-string
2055 " " (symbol-name (car unit))
2056 (if (> num 1) "s" ""))
2058 article-time-units "")
2059 ;; If dates are odd, then it might appear like the
2060 ;; article was sent in the future.
2063 " in the future"))))))
2065 (error "Unknown conversion type: %s" type)))))
2067 (defun article-date-local (&optional highlight)
2068 "Convert the current article date to the local timezone."
2069 (interactive (list t))
2070 (article-date-ut 'local highlight))
2072 (defun article-date-original (&optional highlight)
2073 "Convert the current article date to what it was originally.
2074 This is only useful if you have used some other date conversion
2075 function and want to see what the date was before converting."
2076 (interactive (list t))
2077 (article-date-ut 'original highlight))
2079 (defun article-date-lapsed (&optional highlight)
2080 "Convert the current article date to time lapsed since it was sent."
2081 (interactive (list t))
2082 (article-date-ut 'lapsed highlight))
2084 (defun article-update-date-lapsed ()
2085 "Function to be run from a timer to update the lapsed time line."
2086 (let (deactivate-mark)
2091 (set-buffer (window-buffer w))
2092 (when (eq major-mode 'gnus-article-mode)
2093 (goto-char (point-min))
2094 (when (re-search-forward "^X-Sent:" nil t)
2095 (article-date-lapsed t))))
2098 (defun gnus-start-date-timer (&optional n)
2099 "Start a timer to update the X-Sent header in the article buffers.
2100 The numerical prefix says how frequently (in seconds) the function
2105 (gnus-stop-date-timer)
2106 (setq article-lapsed-timer
2107 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2109 (defun gnus-stop-date-timer ()
2110 "Stop the X-Sent timer."
2112 (when article-lapsed-timer
2113 (nnheader-cancel-timer article-lapsed-timer)
2114 (setq article-lapsed-timer nil)))
2116 (defun article-date-user (&optional highlight)
2117 "Convert the current article date to the user-defined format.
2118 This format is defined by the `gnus-article-time-format' variable."
2119 (interactive (list t))
2120 (article-date-ut 'user highlight))
2122 (defun article-date-iso8601 (&optional highlight)
2123 "Convert the current article date to ISO8601."
2124 (interactive (list t))
2125 (article-date-ut 'iso8601 highlight))
2127 (defun article-show-all ()
2128 "Show all hidden text in the article buffer."
2131 (let ((buffer-read-only nil))
2132 (gnus-article-unhide-text (point-min) (point-max)))))
2134 (defun article-emphasize (&optional arg)
2135 "Emphasize text according to `gnus-emphasis-alist'."
2136 (interactive (gnus-article-hidden-arg))
2137 (unless (gnus-article-check-hidden-text 'emphasis arg)
2139 (let ((alist (or (with-current-buffer gnus-summary-buffer
2140 gnus-article-emphasis-alist)
2141 gnus-emphasis-alist))
2142 (buffer-read-only nil)
2143 (props (append '(article-type emphasis)
2144 gnus-hidden-properties))
2145 regexp elem beg invisible visible face)
2148 (while (setq elem (pop alist))
2150 (setq regexp (car elem)
2151 invisible (nth 1 elem)
2152 visible (nth 2 elem)
2154 (while (re-search-forward regexp nil t)
2155 (when (and (match-beginning visible) (match-beginning invisible))
2156 (gnus-article-hide-text
2157 (match-beginning invisible) (match-end invisible) props)
2158 (gnus-article-unhide-text-type
2159 (match-beginning visible) (match-end visible) 'emphasis)
2160 (gnus-put-text-property-excluding-newlines
2161 (match-beginning visible) (match-end visible) 'face face)
2162 (goto-char (match-end invisible)))))))))
2164 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2165 "Setup newsgroup emphasis alist."
2166 (unless gnus-article-emphasis-alist
2167 (let ((name (and gnus-newsgroup-name
2168 (gnus-group-real-name gnus-newsgroup-name))))
2169 (make-local-variable 'gnus-article-emphasis-alist)
2170 (setq gnus-article-emphasis-alist
2172 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2173 (while (setq elem (pop alist))
2174 (when (and name (string-match (car elem) name))
2176 highlight (copy-list (cdr elem)))))
2178 (copy-list highlight-words)
2179 (if gnus-newsgroup-name
2180 (copy-list (gnus-group-find-parameter
2181 gnus-newsgroup-name 'highlight-words t)))
2182 gnus-emphasis-alist)))))
2184 (defvar gnus-summary-article-menu)
2185 (defvar gnus-summary-post-menu)
2187 ;;; Saving functions.
2189 (defun gnus-article-save (save-buffer file &optional num)
2190 "Save the currently selected article."
2191 (unless gnus-save-all-headers
2192 ;; Remove headers according to `gnus-saved-headers'.
2193 (let ((gnus-visible-headers
2194 (or gnus-saved-headers gnus-visible-headers))
2195 (gnus-article-buffer save-buffer))
2197 (set-buffer save-buffer)
2198 (article-hide-headers 1 t))))
2199 (save-window-excursion
2200 (if (not gnus-default-article-saver)
2201 (error "No default saver is defined")
2202 ;; !!! Magic! The saving functions all save
2203 ;; `gnus-save-article-buffer' (or so they think), but we
2204 ;; bind that variable to our save-buffer.
2205 (set-buffer gnus-article-buffer)
2206 (let* ((gnus-save-article-buffer save-buffer)
2209 ((not gnus-prompt-before-saving) 'default)
2210 ((eq gnus-prompt-before-saving 'always) nil)
2212 (gnus-number-of-articles-to-be-saved
2213 (when (eq gnus-prompt-before-saving t)
2215 (set-buffer gnus-article-current-summary)
2216 (funcall gnus-default-article-saver filename)))))
2218 (defun gnus-read-save-file-name (prompt &optional filename
2219 function group headers variable)
2221 (funcall function group headers (symbol-value variable)))
2226 ((eq filename 'default)
2232 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2235 (if (and gnus-number-of-articles-to-be-saved
2236 (> gnus-number-of-articles-to-be-saved 1))
2237 (format "these %d articles"
2238 gnus-number-of-articles-to-be-saved)
2241 ;; Let the split methods have their say.
2243 ;; No split name was found.
2246 (concat prompt " (default "
2247 (file-name-nondirectory default-name) ") ")
2248 (file-name-directory default-name)
2250 ;; A single group name is returned.
2251 ((stringp split-name)
2253 (funcall function split-name headers
2254 (symbol-value variable)))
2256 (concat prompt " (default "
2257 (file-name-nondirectory default-name) ") ")
2258 (file-name-directory default-name)
2260 ;; A single split name was found
2261 ((= 1 (length split-name))
2262 (let* ((name (expand-file-name
2263 (car split-name) gnus-article-save-directory))
2264 (dir (cond ((file-directory-p name)
2265 (file-name-as-directory name))
2266 ((file-exists-p name) name)
2267 (t gnus-article-save-directory))))
2269 (concat prompt " (default " name ") ")
2271 ;; A list of splits was found.
2273 (setq split-name (nreverse split-name))
2275 (let ((file-name-history
2276 (nconc split-name file-name-history)))
2280 (concat prompt " (`M-p' for defaults) ")
2281 gnus-article-save-directory
2283 gnus-article-save-directory)))
2284 (car (push result file-name-history)))))))
2285 ;; Create the directory.
2286 (gnus-make-directory (file-name-directory file))
2287 ;; If we have read a directory, we append the default file name.
2288 (when (file-directory-p file)
2289 (setq file (concat (file-name-as-directory file)
2290 (file-name-nondirectory default-name))))
2291 ;; Possibly translate some characters.
2292 (nnheader-translate-file-chars file)))))
2293 (gnus-make-directory (file-name-directory result))
2294 (set variable result)))
2296 (defun gnus-article-archive-name (group)
2297 "Return the first instance of an \"Archive-name\" in the current buffer."
2298 (let ((case-fold-search t))
2299 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
2300 (nnheader-concat gnus-article-save-directory
2301 (match-string 1)))))
2303 (defun gnus-article-nndoc-name (group)
2304 "If GROUP is an nndoc group, return the name of the parent group."
2305 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
2306 (gnus-group-get-parameter group 'save-article-group)))
2308 (defun gnus-summary-save-in-rmail (&optional filename)
2309 "Append this article to Rmail file.
2310 Optional argument FILENAME specifies file name.
2311 Directory to save to is default to `gnus-article-save-directory'."
2312 (setq filename (gnus-read-save-file-name
2313 "Save %s in rmail file:" filename
2314 gnus-rmail-save-name gnus-newsgroup-name
2315 gnus-current-headers 'gnus-newsgroup-last-rmail))
2316 (gnus-eval-in-buffer-window gnus-save-article-buffer
2320 (gnus-output-to-rmail filename))))
2323 (defun gnus-summary-save-in-mail (&optional filename)
2324 "Append this article to Unix mail file.
2325 Optional argument FILENAME specifies file name.
2326 Directory to save to is default to `gnus-article-save-directory'."
2327 (setq filename (gnus-read-save-file-name
2328 "Save %s in Unix mail file:" filename
2329 gnus-mail-save-name gnus-newsgroup-name
2330 gnus-current-headers 'gnus-newsgroup-last-mail))
2331 (gnus-eval-in-buffer-window gnus-save-article-buffer
2335 (if (and (file-readable-p filename)
2336 (mail-file-babyl-p filename))
2337 (rmail-output-to-rmail-file filename t)
2338 (gnus-output-to-mail filename)))))
2341 (defun gnus-summary-save-in-file (&optional filename overwrite)
2342 "Append this article to file.
2343 Optional argument FILENAME specifies file name.
2344 Directory to save to is default to `gnus-article-save-directory'."
2345 (setq filename (gnus-read-save-file-name
2346 "Save %s in file:" filename
2347 gnus-file-save-name gnus-newsgroup-name
2348 gnus-current-headers 'gnus-newsgroup-last-file))
2349 (gnus-eval-in-buffer-window gnus-save-article-buffer
2353 (when (and overwrite
2354 (file-exists-p filename))
2355 (delete-file filename))
2356 (gnus-output-to-file filename))))
2359 (defun gnus-summary-write-to-file (&optional filename)
2360 "Write this article to a file.
2361 Optional argument FILENAME specifies file name.
2362 The directory to save in defaults to `gnus-article-save-directory'."
2363 (gnus-summary-save-in-file nil t))
2365 (defun gnus-summary-save-body-in-file (&optional filename)
2366 "Append this article body to a file.
2367 Optional argument FILENAME specifies file name.
2368 The directory to save in defaults to `gnus-article-save-directory'."
2369 (setq filename (gnus-read-save-file-name
2370 "Save %s body in file:" filename
2371 gnus-file-save-name gnus-newsgroup-name
2372 gnus-current-headers 'gnus-newsgroup-last-file))
2373 (gnus-eval-in-buffer-window gnus-save-article-buffer
2377 (when (article-goto-body)
2378 (narrow-to-region (point) (point-max)))
2379 (gnus-output-to-file filename))))
2382 (defun gnus-summary-save-in-pipe (&optional command)
2383 "Pipe this article to subprocess."
2385 (cond ((and (eq command 'default)
2386 gnus-last-shell-command)
2387 gnus-last-shell-command)
2391 "Shell command on %s: "
2392 (if (and gnus-number-of-articles-to-be-saved
2393 (> gnus-number-of-articles-to-be-saved 1))
2394 (format "these %d articles"
2395 gnus-number-of-articles-to-be-saved)
2397 gnus-last-shell-command))))
2398 (when (string-equal command "")
2399 (setq command gnus-last-shell-command))
2400 (gnus-eval-in-buffer-window gnus-article-buffer
2403 (shell-command-on-region (point-min) (point-max) command nil)))
2404 (setq gnus-last-shell-command command))
2406 ;;; Article file names when saving.
2408 (defun gnus-capitalize-newsgroup (newsgroup)
2409 "Capitalize NEWSGROUP name."
2410 (when (not (zerop (length newsgroup)))
2411 (concat (char-to-string (upcase (aref newsgroup 0)))
2412 (substring newsgroup 1))))
2414 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
2415 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2416 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
2417 Otherwise, it is like ~/News/news/group/num."
2420 (concat (if (gnus-use-long-file-name 'not-save)
2421 (gnus-capitalize-newsgroup newsgroup)
2422 (gnus-newsgroup-directory-form newsgroup))
2423 "/" (int-to-string (mail-header-number headers)))
2424 gnus-article-save-directory)))
2426 (string-equal (file-name-directory default)
2427 (file-name-directory last-file))
2428 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2430 (or last-file default))))
2432 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
2433 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2434 If variable `gnus-use-long-file-name' is non-nil, it is
2435 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
2438 (concat (if (gnus-use-long-file-name 'not-save)
2440 (gnus-newsgroup-directory-form newsgroup))
2441 "/" (int-to-string (mail-header-number headers)))
2442 gnus-article-save-directory)))
2444 (string-equal (file-name-directory default)
2445 (file-name-directory last-file))
2446 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2448 (or last-file default))))
2450 (defun gnus-Plain-save-name (newsgroup headers &optional last-file)
2451 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2452 If variable `gnus-use-long-file-name' is non-nil, it is
2453 ~/News/News.group. Otherwise, it is like ~/News/news/group/news."
2456 (if (gnus-use-long-file-name 'not-save)
2457 (gnus-capitalize-newsgroup newsgroup)
2458 (concat (gnus-newsgroup-directory-form newsgroup) "/news"))
2459 gnus-article-save-directory)))
2461 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
2462 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2463 If variable `gnus-use-long-file-name' is non-nil, it is
2464 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
2467 (if (gnus-use-long-file-name 'not-save)
2469 (concat (gnus-newsgroup-directory-form newsgroup) "/news"))
2470 gnus-article-save-directory)))
2477 (setq afunc (car func)
2480 gfunc (intern (format "gnus-%s" func))))
2482 (if (not (fboundp afunc))
2484 `(lambda (&optional interactive &rest args)
2485 ,(documentation afunc t)
2486 (interactive (list t))
2488 (set-buffer gnus-article-buffer)
2490 (call-interactively ',afunc)
2491 (apply ',afunc args))))))))
2492 '(article-hide-headers
2493 article-hide-boring-headers
2494 article-toggle-headers
2495 article-treat-overstrike
2496 article-fill-long-lines
2497 article-capitalize-sentences
2499 article-display-x-face
2500 article-de-quoted-unreadable
2502 article-strip-banner
2505 article-hide-signature
2506 article-strip-headers-in-body
2507 article-remove-trailing-blank-lines
2508 article-strip-leading-blank-lines
2509 article-strip-multiple-blank-lines
2510 article-strip-leading-space
2511 article-strip-trailing-space
2512 article-strip-blank-lines
2513 article-strip-all-blank-lines
2515 article-date-iso8601
2516 article-date-original
2518 article-decode-mime-words
2519 article-decode-charset
2520 article-decode-encoded-words
2524 article-treat-dumbquotes
2525 article-normalize-headers
2526 (article-show-all . gnus-article-show-all-headers))))
2529 ;;; Gnus article mode
2532 (put 'gnus-article-mode 'mode-class 'special)
2534 (gnus-define-keys gnus-article-mode-map
2535 " " gnus-article-goto-next-page
2536 "\177" gnus-article-goto-prev-page
2537 [delete] gnus-article-goto-prev-page
2538 [backspace] gnus-article-goto-prev-page
2539 "\C-c^" gnus-article-refer-article
2540 "h" gnus-article-show-summary
2541 "s" gnus-article-show-summary
2542 "\C-c\C-m" gnus-article-mail
2543 "?" gnus-article-describe-briefly
2544 gnus-mouse-2 gnus-article-push-button
2545 "\r" gnus-article-press-button
2546 "\t" gnus-article-next-button
2547 "\M-\t" gnus-article-prev-button
2548 "e" gnus-article-edit
2549 "<" beginning-of-buffer
2551 "\C-c\C-i" gnus-info-find-node
2554 "\C-d" gnus-article-read-summary-keys
2555 "\M-*" gnus-article-read-summary-keys
2556 "\M-#" gnus-article-read-summary-keys
2557 "\M-^" gnus-article-read-summary-keys
2558 "\M-g" gnus-article-read-summary-keys)
2560 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
2563 (unless (lookup-key gnus-article-mode-map key)
2564 (define-key gnus-article-mode-map key
2565 'gnus-article-read-summary-keys)))
2570 (let ((key (car elt)))
2571 (and (> (length key) 0)
2572 (not (eq 'menu-bar (aref key 0)))
2573 (symbolp (lookup-key gnus-summary-mode-map key))
2575 (accessible-keymaps gnus-summary-mode-map))
2579 (push (char-to-string c) keys)
2583 (defun gnus-article-make-menu-bar ()
2584 (gnus-turn-off-edit-menu 'article)
2585 (unless (boundp 'gnus-article-article-menu)
2587 gnus-article-article-menu gnus-article-mode-map ""
2589 ["Scroll forwards" gnus-article-goto-next-page t]
2590 ["Scroll backwards" gnus-article-goto-prev-page t]
2591 ["Show summary" gnus-article-show-summary t]
2592 ["Fetch Message-ID at point" gnus-article-refer-article t]
2593 ["Mail to address at point" gnus-article-mail t]
2594 ["Send a bug report" gnus-bug t]))
2597 gnus-article-treatment-menu gnus-article-mode-map ""
2599 ["Hide headers" gnus-article-toggle-headers t]
2600 ["Hide signature" gnus-article-hide-signature t]
2601 ["Hide citation" gnus-article-hide-citation t]
2602 ["Treat overstrike" gnus-article-treat-overstrike t]
2603 ["Remove carriage return" gnus-article-remove-cr t]))
2605 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
2607 (when (boundp 'gnus-summary-post-menu)
2608 (define-key gnus-article-mode-map [menu-bar post]
2609 (cons "Post" gnus-summary-post-menu)))
2611 (gnus-run-hooks 'gnus-article-menu-hook)))
2613 (defun gnus-article-mode ()
2614 "Major mode for displaying an article.
2616 All normal editing commands are switched off.
2618 The following commands are available in addition to all summary mode
2620 \\<gnus-article-mode-map>
2621 \\[gnus-article-next-page]\t Scroll the article one page forwards
2622 \\[gnus-article-prev-page]\t Scroll the article one page backwards
2623 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
2624 \\[gnus-article-show-summary]\t Display the summary buffer
2625 \\[gnus-article-mail]\t Send a reply to the address near point
2626 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
2627 \\[gnus-info-find-node]\t Go to the Gnus info node"
2629 (when (gnus-visual-p 'article-menu 'menu)
2630 (gnus-article-make-menu-bar))
2631 (gnus-simplify-mode-line)
2632 (setq mode-name "Article")
2633 (setq major-mode 'gnus-article-mode)
2634 (make-local-variable 'minor-mode-alist)
2635 (unless (assq 'gnus-show-mime minor-mode-alist)
2636 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
2637 (use-local-map gnus-article-mode-map)
2638 (gnus-update-format-specifications nil 'article-mode)
2639 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
2640 (make-local-variable 'gnus-page-broken)
2641 (make-local-variable 'gnus-button-marker-list)
2642 (make-local-variable 'gnus-article-current-summary)
2643 (make-local-variable 'gnus-article-mime-handles)
2644 (make-local-variable 'gnus-article-decoded-p)
2645 (make-local-variable 'gnus-article-mime-handle-alist)
2646 (make-local-variable 'gnus-article-washed-types)
2647 (gnus-set-default-directory)
2648 (buffer-disable-undo)
2649 (setq buffer-read-only t)
2650 (set-syntax-table gnus-article-mode-syntax-table)
2651 (gnus-run-hooks 'gnus-article-mode-hook))
2653 (defun gnus-article-setup-buffer ()
2654 "Initialize the article buffer."
2655 (let* ((name (if gnus-single-article-buffer "*Article*"
2656 (concat "*Article " gnus-newsgroup-name "*")))
2658 (progn (string-match "\\*Article" name)
2659 (concat " *Original Article"
2660 (substring name (match-end 0))))))
2661 (setq gnus-article-buffer name)
2662 (setq gnus-original-article-buffer original)
2663 (setq gnus-article-mime-handle-alist nil)
2664 ;; This might be a variable local to the summary buffer.
2665 (unless gnus-single-article-buffer
2667 (set-buffer gnus-summary-buffer)
2668 (setq gnus-article-buffer name)
2669 (setq gnus-original-article-buffer original)
2670 (gnus-set-global-variables)))
2671 (gnus-article-setup-highlight-words)
2672 ;; Init original article buffer.
2674 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
2675 (setq major-mode 'gnus-original-article-mode)
2676 (make-local-variable 'gnus-original-article))
2677 (if (get-buffer name)
2680 (buffer-disable-undo)
2681 (setq buffer-read-only t)
2682 (unless (eq major-mode 'gnus-article-mode)
2683 (gnus-article-mode))
2686 (set-buffer (gnus-get-buffer-create name))
2688 (make-local-variable 'gnus-summary-buffer)
2689 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2690 (current-buffer)))))
2692 ;; Set article window start at LINE, where LINE is the number of lines
2693 ;; from the head of the article.
2694 (defun gnus-article-set-window-start (&optional line)
2696 (get-buffer-window gnus-article-buffer t)
2698 (set-buffer gnus-article-buffer)
2699 (goto-char (point-min))
2702 (gnus-message 6 "Moved to bookmark")
2703 (search-forward "\n\n" nil t)
2707 ;;; @@ article filters
2710 (defun gnus-article-display-mime-message ()
2711 "Article display method for MIME message."
2712 ;; called from `gnus-original-article-buffer'.
2713 (let (charset all-headers)
2714 (with-current-buffer gnus-summary-buffer
2715 (setq charset default-mime-charset
2716 all-headers gnus-have-all-headers))
2717 (make-local-variable 'default-mime-charset)
2718 (setq default-mime-charset charset)
2719 (with-current-buffer (get-buffer-create gnus-article-buffer)
2720 (make-local-variable 'default-mime-charset)
2721 (setq default-mime-charset charset))
2722 (mime-display-message mime-message-structure
2723 gnus-article-buffer nil gnus-article-mode-map)
2725 (gnus-article-hide-headers nil -1))
2727 ;; `mime-display-message' changes current buffer to `gnus-article-buffer'.
2728 (make-local-variable 'mime-button-mother-dispatcher)
2729 (setq mime-button-mother-dispatcher
2730 (function gnus-article-push-button))
2731 (run-hooks 'gnus-mime-article-prepare-hook))
2733 (defun gnus-article-display-traditional-message ()
2734 "Article display method for traditional message."
2735 (set-buffer gnus-article-buffer)
2736 (let (buffer-read-only)
2738 (insert-buffer-substring gnus-original-article-buffer)))
2740 (defun gnus-article-make-full-mail-header (&optional number charset)
2741 "Create a new mail header structure in a raw article buffer."
2742 (unless (and number charset)
2743 (save-current-buffer
2744 (set-buffer gnus-summary-buffer)
2746 (setq number (or (cdr gnus-article-current) 0)))
2748 (setq charset (or default-mime-charset 'x-ctext)))))
2749 (goto-char (point-min))
2750 (let ((header-end (if (search-forward "\n\n" nil t)
2752 (goto-char (point-max))))
2753 (chars (- (point-max) (point)))
2754 (lines (count-lines (point) (point-max)))
2755 (default-mime-charset charset)
2757 (narrow-to-region (point-min) header-end)
2758 (setq xref (std11-fetch-field "xref"))
2760 (make-full-mail-header
2762 (std11-fetch-field "subject")
2763 (std11-fetch-field "from")
2764 (std11-fetch-field "date")
2765 (std11-fetch-field "message-id")
2766 (std11-fetch-field "references")
2769 (when xref (concat "Xref: " xref)))
2772 (defun gnus-article-prepare (article &optional all-headers header)
2773 "Prepare ARTICLE in article mode buffer.
2774 ARTICLE should either be an article number or a Message-ID.
2775 If ARTICLE is an id, HEADER should be the article headers.
2776 If ALL-HEADERS is non-nil, no headers are hidden."
2778 ;; Make sure we start in a summary buffer.
2779 (unless (eq major-mode 'gnus-summary-mode)
2780 (set-buffer gnus-summary-buffer))
2781 (setq gnus-summary-buffer (current-buffer))
2782 (let* ((gnus-article (if header (mail-header-number header) article))
2783 (summary-buffer (current-buffer))
2784 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
2785 (group gnus-newsgroup-name)
2788 (gnus-article-setup-buffer)
2789 (set-buffer gnus-original-article-buffer)
2790 ;; Deactivate active regions.
2791 (when (and (boundp 'transient-mark-mode)
2792 transient-mark-mode)
2793 (setq mark-active nil))
2794 (if (not (setq result (let ((buffer-read-only nil))
2795 (gnus-request-article-this-buffer
2797 ;; There is no such article.
2799 (when (and (numberp article)
2800 (not (memq article gnus-newsgroup-sparse)))
2801 (setq gnus-article-current
2802 (cons gnus-newsgroup-name article))
2803 (set-buffer gnus-summary-buffer)
2804 (setq gnus-current-article article)
2805 (if (eq (gnus-article-mark article) gnus-undownloaded-mark)
2807 (gnus-summary-set-agent-mark article)
2808 (message "Message marked for downloading"))
2809 (gnus-summary-mark-article article gnus-canceled-mark)
2810 (unless (memq article gnus-newsgroup-sparse)
2812 "No such article (may have expired or been canceled)")))))
2813 (if (or (eq result 'pseudo)
2814 (eq result 'nneething))
2817 (set-buffer summary-buffer)
2818 (push article gnus-newsgroup-history)
2819 (setq gnus-last-article gnus-current-article
2820 gnus-current-article 0
2821 gnus-current-headers nil
2822 gnus-article-current nil)
2823 (if (eq result 'nneething)
2824 (gnus-configure-windows 'summary)
2825 (gnus-configure-windows 'article))
2826 (gnus-set-global-variables))
2827 (let ((gnus-article-mime-handle-alist-1
2828 gnus-article-mime-handle-alist))
2829 (gnus-set-mode-line 'article)))
2830 ;; The result from the `request' was an actual article -
2831 ;; or at least some text that is now displayed in the
2833 (when (and (numberp article)
2834 (not (eq article gnus-current-article)))
2835 ;; Seems like a new article has been selected.
2836 ;; `gnus-current-article' must be an article number.
2838 (set-buffer summary-buffer)
2839 (push article gnus-newsgroup-history)
2840 (setq gnus-last-article gnus-current-article
2841 gnus-current-article article
2842 gnus-current-headers
2843 (gnus-summary-article-header gnus-current-article)
2844 gnus-article-current
2845 (cons gnus-newsgroup-name gnus-current-article))
2846 (unless (vectorp gnus-current-headers)
2847 (setq gnus-current-headers nil))
2848 (gnus-summary-goto-subject gnus-current-article)
2849 (when (gnus-summary-show-thread)
2850 ;; If the summary buffer really was folded, the
2851 ;; previous goto may not actually have gone to
2852 ;; the right article, but the thread root instead.
2854 (gnus-summary-goto-subject gnus-current-article))
2855 (gnus-run-hooks 'gnus-mark-article-hook)
2856 (gnus-set-mode-line 'summary)
2857 (when (gnus-visual-p 'article-highlight 'highlight)
2858 (gnus-run-hooks 'gnus-visual-mark-article-hook))
2859 ;; Set the global newsgroup variables here.
2860 (gnus-set-global-variables)
2861 (setq gnus-have-all-headers
2862 (or all-headers gnus-show-all-headers))))
2863 (when (or (numberp article)
2865 (gnus-article-prepare-display)
2867 (goto-char (point-min))
2868 (setq gnus-page-broken
2869 (when gnus-break-pages
2870 (gnus-narrow-to-page)
2872 (let ((gnus-article-mime-handle-alist-1
2873 gnus-article-mime-handle-alist))
2874 (gnus-set-mode-line 'article))
2876 (set-window-point (get-buffer-window (current-buffer)) (point))
2877 (gnus-configure-windows 'article)
2880 (defun gnus-article-prepare-mime-display (&optional number)
2881 (goto-char (point-min))
2882 (when (re-search-forward "^[^\t ]+:" nil t)
2883 (goto-char (match-beginning 0)))
2884 (let* ((entity (if (eq 1 (point-min))
2885 (get-text-property 1 'mime-view-entity)
2886 (get-text-property (point) 'mime-view-entity)))
2887 (number (or number 0))
2890 (narrow-to-region (point)
2891 (if (search-forward "\n\n" nil t)
2894 (gnus-treat-article 'head)
2895 (put-text-property (point-min) (point-max) 'article-treated-header t)
2896 (goto-char (point-max)))
2897 (while (and (not (eobp))
2899 (setq next (next-single-property-change (point)
2900 'mime-view-entity)))
2901 (setq type (mime-entity-content-type entity)
2902 type (format "%s/%s"
2903 (mime-content-type-primary-type type)
2904 (mime-content-type-subtype type)))
2905 (if (string-equal type "message/rfc822")
2907 (narrow-to-region (point) (point-max))
2908 (gnus-article-prepare-mime-display number)
2909 (goto-char (point-max)))
2910 (setq ids (length (mime-entity-node-id entity))
2911 entity (get-text-property next 'mime-view-entity)
2914 (narrow-to-region (point) next)
2915 (if (or (null entity)
2916 (< (length (mime-entity-node-id entity)) ids))
2917 (gnus-treat-article 'last number number type)
2918 (gnus-treat-article t number nil type))
2919 (goto-char (point-max)))))
2922 (narrow-to-region (point) (point-max))
2925 (setq type (mime-entity-content-type entity)
2926 type (format "%s/%s"
2927 (mime-content-type-primary-type type)
2928 (mime-content-type-subtype type)))
2929 (if (string-equal type "message/rfc822")
2930 (gnus-article-prepare-mime-display number)
2932 (gnus-treat-article 'last number number type)))
2933 (gnus-treat-article t))))))
2936 (defun gnus-article-prepare-display ()
2937 "Make the current buffer look like a nice article."
2938 (gnus-run-hooks 'gnus-tmp-internal-hook)
2939 (gnus-run-hooks 'gnus-article-prepare-hook)
2941 (let (mime-display-header-hook)
2942 (funcall (if gnus-show-mime
2944 (setq mime-message-structure gnus-current-headers)
2945 gnus-article-display-method-for-mime)
2946 gnus-article-display-method-for-traditional)))
2947 ;; Associate this article with the current summary buffer.
2948 (setq gnus-article-current-summary gnus-summary-buffer)
2949 ;; Call the treatment functions.
2950 (let ((inhibit-read-only t)
2955 (gnus-article-prepare-mime-display)
2956 (narrow-to-region (goto-char (point-min))
2957 (if (search-forward "\n\n" nil t)
2960 (gnus-treat-article 'head)
2961 (put-text-property (point-min) (point-max) 'article-treated-header t)
2962 (goto-char (point-max))
2964 (narrow-to-region (point) (point-max))
2965 (gnus-treat-article t))
2966 (put-text-property (point-min) (point-max) 'read-only nil)))
2967 ;; Perform the article display hooks. Incidentally, this hook is
2968 ;; an obsolete variable by now.
2969 (gnus-run-hooks 'gnus-article-display-hook))
2971 (defun gnus-article-decode-article-as-default-mime-charset ()
2972 "Decode an article as `default-mime-charset'. It won't work if the
2973 value of the variable `gnus-show-mime' is non-nil."
2974 (unless gnus-show-mime
2975 (decode-mime-charset-region (point-min) (point-max)
2976 (with-current-buffer gnus-summary-buffer
2977 default-mime-charset))))
2979 ;; The following procedures will be abolished in the future.
2980 (autoload 'x-face-mule-x-face-decode-message-header "x-face-mule")
2981 (defvar x-face-mule-version-number)
2982 (defun gnus-article-display-x-face-with-x-face-mule (&rest args)
2983 "Decode and show X-Face with the function
2984 `x-face-mule-x-face-decode-message-header'. The buffer is expected to be
2985 narrowed to just the headers of the article."
2987 (error "`%s' won't work under XEmacs."
2988 'gnus-article-display-x-face-with-x-face-mule))
2990 (when (and (boundp 'x-face-mule-version-number)
2991 (> (string-to-number x-face-mule-version-number) 0.24)
2992 (not (gnus-buffer-live-p "*X-Face-Mule WARNING*")))
2993 (let ((buffer (generate-new-buffer "*X-Face-Mule WARNING*")))
2994 (save-window-excursion
2995 (pop-to-buffer buffer)
2998 `%s' is an obsolete function.
2999 You have no use for setting the variable `%s',
3000 however, it will be set suitably by X-Face-Mule %s.
3002 'gnus-article-display-x-face-with-x-face-mule
3003 'gnus-article-x-face-command
3004 x-face-mule-version-number))
3005 (let ((inhibit-quit t) (echo-keystrokes 0) cursor-in-echo-area)
3006 (read-char-exclusive))
3008 (delete-region (point) (point-max)))))
3010 (x-face-mule-x-face-decode-message-header)
3012 (if (featurep 'x-face-mule)
3013 "Please install x-face-mule 0.25 or later."
3017 ;;; Gnus MIME viewing functions
3020 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3021 "The following specs can be used:
3023 %T MIME type, along with additional info
3024 %n The `name' parameter
3025 %d The description, if any
3026 %l The length of the encoded part
3027 %p The part identifier number
3028 %e Dots if the part isn't displayed")
3030 (defvar gnus-mime-button-line-format-alist
3031 '((?t gnus-tmp-type ?s)
3032 (?T gnus-tmp-type-long ?s)
3033 (?n gnus-tmp-name ?s)
3034 (?d gnus-tmp-description ?s)
3036 (?l gnus-tmp-length ?d)
3037 (?e gnus-tmp-dots ?s)))
3039 (defvar gnus-mime-button-commands
3040 '((gnus-article-press-button "\r" "Toggle Display")
3041 (gnus-mime-view-part "v" "View Interactively...")
3042 (gnus-mime-view-part-as-type "t" "View As Type...")
3043 (gnus-mime-save-part "o" "Save...")
3044 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3045 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3046 (gnus-mime-internalize-part "E" "View Internally")
3047 (gnus-mime-externalize-part "e" "View Externally")
3048 (gnus-mime-pipe-part "|" "Pipe To Command...")))
3050 (defun gnus-article-mime-part-status ()
3051 (if gnus-article-mime-handle-alist-1
3052 (format " (%d parts)" (length gnus-article-mime-handle-alist-1))
3055 (defvar gnus-mime-button-map nil)
3056 (unless gnus-mime-button-map
3057 (setq gnus-mime-button-map (make-sparse-keymap))
3058 (set-keymap-parent gnus-mime-button-map gnus-article-mode-map)
3059 (define-key gnus-mime-button-map gnus-mouse-2 'gnus-article-push-button)
3060 (define-key gnus-mime-button-map gnus-down-mouse-3 'gnus-mime-button-menu)
3062 (define-key gnus-mime-button-map (cadr c) (car c)))
3063 gnus-mime-button-commands))
3065 (defun gnus-mime-button-menu (event)
3066 "Construct a context-sensitive menu of MIME commands."
3069 (let ((pos (event-start event)))
3070 (set-buffer (window-buffer (posn-window pos)))
3071 (goto-char (posn-point pos))
3072 (gnus-article-check-buffer)
3073 (let ((response (x-popup-menu
3075 ("" ,@(mapcar (lambda (c)
3076 (cons (caddr c) (car c)))
3077 gnus-mime-button-commands))))))
3079 (funcall response))))))
3081 (defun gnus-mime-view-all-parts (&optional handles)
3082 "View all the MIME parts."
3084 (save-current-buffer
3085 (set-buffer gnus-article-buffer)
3086 (let ((handles (or handles gnus-article-mime-handles))
3087 (mail-parse-charset gnus-newsgroup-charset)
3088 (mail-parse-ignored-charsets
3089 (save-excursion (set-buffer gnus-summary-buffer)
3090 gnus-newsgroup-ignored-charsets)))
3091 (if (stringp (car handles))
3092 (gnus-mime-view-all-parts (cdr handles))
3093 (mapcar 'mm-display-part handles)))))
3095 (defun gnus-mime-save-part ()
3096 "Save the MIME part under point."
3098 (gnus-article-check-buffer)
3099 (let ((data (get-text-property (point) 'gnus-data)))
3100 (mm-save-part data)))
3102 (defun gnus-mime-pipe-part ()
3103 "Pipe the MIME part under point to a process."
3105 (gnus-article-check-buffer)
3106 (let ((data (get-text-property (point) 'gnus-data)))
3107 (mm-pipe-part data)))
3109 (defun gnus-mime-view-part ()
3110 "Interactively choose a viewing method for the MIME part under point."
3112 (gnus-article-check-buffer)
3113 (let ((data (get-text-property (point) 'gnus-data)))
3114 (mm-interactively-view-part data)))
3116 (defun gnus-mime-view-part-as-media ()
3117 "Choose a MIME media type, and view the part as such."
3119 (list (completing-read "View as MIME type: " mailcap-mime-types)))
3120 (gnus-article-check-buffer)
3121 (let ((handle (get-text-property (point) 'gnus-data)))
3122 (gnus-mm-display-part handle)))
3124 (defun gnus-mime-copy-part (&optional handle)
3125 "Put the the MIME part under point into a new buffer."
3127 (gnus-article-check-buffer)
3128 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3129 (contents (mm-get-part handle))|
3130 (base (file-name-nondirectory
3132 (mail-content-type-get (mm-handle-type handle) 'name)
3133 (mail-content-type-get (mm-handle-type handle)
3136 (buffer (generate-new-buffer base)))
3137 (switch-to-buffer buffer)
3139 ;; We do it this way to make `normal-mode' set the appropriate mode.
3142 (setq buffer-file-name (expand-file-name base))
3144 (setq buffer-file-name nil))
3145 (goto-char (point-min))))
3147 (defun gnus-mime-inline-part (&optional handle)
3148 "Insert the MIME part under point into the current buffer."
3150 (gnus-article-check-buffer)
3151 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3155 (if (mm-handle-undisplayer handle)
3156 (mm-remove-part handle)
3157 (setq contents (mm-get-part handle))
3159 (mm-insert-inline handle contents)
3162 (defun gnus-mime-externalize-part (&optional handle)
3163 "View the MIME part under point with an external viewer."
3165 (gnus-article-check-buffer)
3166 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3167 (mm-user-display-methods nil)
3168 (mm-inline-large-images nil)
3169 (mail-parse-charset gnus-newsgroup-charset)
3170 (mail-parse-ignored-charsets
3171 (save-excursion (set-buffer gnus-summary-buffer)
3172 gnus-newsgroup-ignored-charsets)))
3173 (if (mm-handle-undisplayer handle)
3174 (mm-remove-part handle)
3175 (mm-display-part handle))))
3177 (defun gnus-mime-internalize-part (&optional handle)
3178 "View the MIME part under point with an internal viewer."
3180 (gnus-article-check-buffer)
3181 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3182 (mm-user-display-methods '((".*" . inline)))
3183 (mm-inline-large-images t)
3184 (mail-parse-charset gnus-newsgroup-charset)
3185 (mail-parse-ignored-charsets
3186 (save-excursion (set-buffer gnus-summary-buffer)
3187 gnus-newsgroup-ignored-charsets)))
3188 (if (mm-handle-undisplayer handle)
3189 (mm-remove-part handle)
3190 (mm-display-part handle))))
3192 (defun gnus-article-part-wrapper (n function)
3193 (save-current-buffer
3194 (set-buffer gnus-article-buffer)
3195 (when (> n (length gnus-article-mime-handle-alist))
3196 (error "No such part"))
3197 (gnus-article-goto-part n)
3198 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3199 (funcall function handle))))
3201 (defun gnus-article-pipe-part (n)
3202 "Pipe MIME part N, which is the numerical prefix."
3204 (gnus-article-part-wrapper n 'mm-pipe-part))
3206 (defun gnus-article-save-part (n)
3207 "Save MIME part N, which is the numerical prefix."
3209 (gnus-article-part-wrapper n 'mm-save-part))
3211 (defun gnus-article-interactively-view-part (n)
3212 "View MIME part N interactively, which is the numerical prefix."
3214 (gnus-article-part-wrapper n 'mm-interactively-view-part))
3216 (defun gnus-article-copy-part (n)
3217 "Copy MIME part N, which is the numerical prefix."
3219 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
3221 (defun gnus-article-externalize-part (n)
3222 "View MIME part N externally, which is the numerical prefix."
3224 (gnus-article-part-wrapper n 'gnus-mime-externalize-part))
3226 (defun gnus-article-inline-part (n)
3227 "Inline MIME part N, which is the numerical prefix."
3229 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
3231 (defun gnus-article-view-part (n)
3232 "View MIME part N, which is the numerical prefix."
3234 (save-current-buffer
3235 (set-buffer gnus-article-buffer)
3236 (when (> n (length gnus-article-mime-handle-alist))
3237 (error "No such part"))
3238 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3239 (when (gnus-article-goto-part n)
3240 (if (equal (car handle) "multipart/alternative")
3241 (gnus-article-press-button)
3242 (when (eq (gnus-mm-display-part handle) 'internal)
3243 (gnus-set-window-start)))))))
3245 (defun gnus-mm-display-part (handle)
3246 "Display HANDLE and fix MIME button."
3247 (let ((id (get-text-property (point) 'gnus-part))
3252 (let ((window (selected-window))
3253 (mail-parse-charset gnus-newsgroup-charset)
3254 (mail-parse-ignored-charsets
3255 (save-excursion (set-buffer gnus-summary-buffer)
3256 gnus-newsgroup-ignored-charsets)))
3259 (let ((win (get-buffer-window (current-buffer) t))
3262 (select-window win))
3265 (if (mm-handle-displayed-p handle)
3266 ;; This will remove the part.
3267 (mm-display-part handle)
3269 (narrow-to-region (point) (1+ (point)))
3270 (mm-display-part handle)
3271 ;; We narrow to the part itself and
3272 ;; then call the treatment functions.
3273 (goto-char (point-min))
3275 (narrow-to-region (point) (point-max))
3278 (1- (length gnus-article-mime-handles))
3279 (mm-handle-media-type handle)))))
3280 (select-window window))))
3282 (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point)))
3283 (gnus-insert-mime-button
3284 handle id (list (mm-handle-displayed-p handle)))
3285 (goto-char point))))
3287 (defun gnus-article-goto-part (n)
3288 "Go to MIME part N."
3289 (let ((point (text-property-any (point-min) (point-max) 'gnus-part n)))
3291 (goto-char point))))
3293 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
3294 (let ((gnus-tmp-name
3295 (or (mail-content-type-get (mm-handle-type handle)
3297 (mail-content-type-get (mm-handle-disposition handle)
3300 (gnus-tmp-type (mm-handle-media-type handle))
3301 (gnus-tmp-description
3302 (mail-decode-encoded-word-string (or (mm-handle-description handle)
3305 (if (if displayed (car displayed)
3306 (mm-handle-displayed-p handle))
3308 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
3310 gnus-tmp-type-long b e)
3311 (when (string-match ".*/" gnus-tmp-name)
3312 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
3313 (setq gnus-tmp-type-long (concat gnus-tmp-type
3314 (and (not (equal gnus-tmp-name ""))
3315 (concat "; " gnus-tmp-name))))
3316 (or (equal gnus-tmp-description "")
3317 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
3322 gnus-mime-button-line-format gnus-mime-button-line-format-alist
3323 `(local-map ,gnus-mime-button-map
3324 keymap ,gnus-mime-button-map
3325 gnus-callback gnus-mm-display-part
3326 gnus-part ,gnus-tmp-id
3327 article-type annotation
3330 (widget-convert-button 'link b e
3332 :action 'gnus-widget-press-button
3333 :button-keymap gnus-mime-button-map
3336 ;; Needed to properly clear the message
3337 ;; due to a bug in wid-edit
3338 (setq help-echo-owns-message t)
3340 "Click to %s the MIME part; %s for more options"
3341 (if (mm-handle-displayed-p
3342 (widget-get widget :mime-handle))
3344 (if gnus-xemacs "button3" "mouse-3"))))))
3346 (defun gnus-widget-press-button (elems el)
3347 (goto-char (widget-get elems :from))
3348 (gnus-article-press-button))
3350 (defvar gnus-displaying-mime nil)
3352 (defun gnus-display-mime (&optional ihandles)
3353 "Display the MIME parts."
3355 (save-selected-window
3356 (let ((window (get-buffer-window gnus-article-buffer))
3359 (select-window window)
3360 ;; We have to do this since selecting the window
3361 ;; may change the point. So we set the window point.
3362 (set-window-point window point)))
3363 (let* ((handles (or ihandles (mm-dissect-buffer) (mm-uu-dissect)))
3364 buffer-read-only handle name type b e display)
3365 (when (and (not ihandles)
3366 (not gnus-displaying-mime))
3367 ;; Top-level call; we clean up.
3368 (when gnus-article-mime-handles
3369 (mm-destroy-parts gnus-article-mime-handles)
3370 (setq gnus-article-mime-handle-alist nil)) ;; A trick.
3371 (setq gnus-article-mime-handles handles)
3372 ;; We allow users to glean info from the handles.
3373 (when gnus-article-mime-part-function
3374 (gnus-mime-part-function handles)))
3376 (or (not (stringp (car handles)))
3379 (when (and (not ihandles)
3380 (not gnus-displaying-mime))
3381 ;; Clean up for mime parts.
3383 (delete-region (point) (point-max)))
3384 (let ((gnus-displaying-mime t))
3385 (gnus-mime-display-part handles)))
3388 (narrow-to-region (point) (point-max))
3389 (gnus-treat-article nil 1 1)
3392 ;; Highlight the headers.
3396 (narrow-to-region (point-min) (point))
3397 (gnus-treat-article 'head))))))))
3399 (defvar gnus-mime-display-multipart-as-mixed nil)
3401 (defun gnus-mime-display-part (handle)
3404 ((not (stringp (car handle)))
3405 (gnus-mime-display-single handle))
3406 ;; User-defined multipart
3407 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
3408 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
3410 ;; multipart/alternative
3411 ((and (equal (car handle) "multipart/alternative")
3412 (not gnus-mime-display-multipart-as-mixed))
3413 (let ((id (1+ (length gnus-article-mime-handle-alist))))
3414 (push (cons id handle) gnus-article-mime-handle-alist)
3415 (gnus-mime-display-alternative (cdr handle) nil nil id)))
3416 ;; multipart/related
3417 ((and (equal (car handle) "multipart/related")
3418 (not gnus-mime-display-multipart-as-mixed))
3419 ;;;!!!We should find the start part, but we just default
3420 ;;;!!!to the first part.
3421 (gnus-mime-display-part (cadr handle)))
3422 ;; Other multiparts are handled like multipart/mixed.
3424 (gnus-mime-display-mixed (cdr handle)))))
3426 (defun gnus-mime-part-function (handles)
3427 (if (stringp (car handles))
3428 (mapcar 'gnus-mime-part-function (cdr handles))
3429 (funcall gnus-article-mime-part-function handles)))
3431 (defun gnus-mime-display-mixed (handles)
3432 (mapcar 'gnus-mime-display-part handles))
3434 (defun gnus-mime-display-single (handle)
3435 (let ((type (mm-handle-media-type handle))
3436 (ignored gnus-ignored-mime-types)
3443 (when (string-match (pop ignored) type)
3444 (throw 'ignored nil)))
3445 (if (and (setq not-attachment
3446 (or (not (mm-handle-disposition handle))
3447 (equal (car (mm-handle-disposition handle))
3449 (mm-attachment-override-p handle)))
3450 (mm-automatic-display-p handle)
3451 (or (mm-inlined-p handle)
3452 (mm-automatic-external-display-p type)))
3454 (when (equal (mm-handle-media-supertype handle) "text")
3456 (let ((id (1+ (length gnus-article-mime-handle-alist))))
3457 (push (cons id handle) gnus-article-mime-handle-alist)
3458 (when (or (not display)
3459 (not (gnus-unbuttonized-mime-type-p type)))
3460 (gnus-article-insert-newline)
3461 (gnus-insert-mime-button
3462 handle id (list (or display (and not-attachment text))))
3463 (gnus-article-insert-newline)
3464 (gnus-article-insert-newline)
3466 (let ((beg (point)))
3471 (let ((mail-parse-charset gnus-newsgroup-charset)
3472 (mail-parse-ignored-charsets
3473 (save-excursion (set-buffer gnus-summary-buffer)
3474 gnus-newsgroup-ignored-charsets)))
3475 (mm-display-part handle t))
3476 (goto-char (point-max)))
3477 ((and text not-attachment)
3480 (gnus-article-insert-newline)
3481 (mm-insert-inline handle (mm-get-part handle))
3482 (goto-char (point-max))))
3486 (narrow-to-region beg (point))
3488 nil (length gnus-article-mime-handle-alist)
3489 (1- (length gnus-article-mime-handles))
3490 (mm-handle-media-type handle)))))))))
3492 (defun gnus-unbuttonized-mime-type-p (type)
3493 "Say whether TYPE is to be unbuttonized."
3494 (unless gnus-inhibit-mime-unbuttonizing
3496 (let ((types gnus-unbuttonized-mime-types))
3498 (when (string-match (pop types) type)
3499 (throw 'found t)))))))
3501 (defun gnus-article-insert-newline ()
3502 "Insert a newline, but mark it as undeletable."
3503 (gnus-put-text-property
3504 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
3506 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
3507 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
3510 handle buffer-read-only from props begend not-pref)
3511 (save-window-excursion
3514 (narrow-to-region (car ibegend)
3517 (goto-char (car ibegend))
3520 (delete-region (point-min) (point-max))
3521 (mm-remove-parts handles))
3522 (setq begend (list (point-marker)))
3524 (unless (setq not-pref (cadr (member preferred ihandles)))
3525 (setq not-pref (car ihandles)))
3527 (not (gnus-unbuttonized-mime-type-p
3528 "multipart/alternative")))
3529 (gnus-add-text-properties
3532 (insert (format "%d. " id))
3536 (unless ,(not ibegend)
3537 (setq gnus-article-mime-handle-alist
3538 ',gnus-article-mime-handle-alist))
3539 (gnus-mime-display-alternative
3540 ',ihandles ',not-pref ',begend ,id))
3541 local-map ,gnus-mime-button-map
3542 ,gnus-mouse-face-prop ,gnus-article-mouse-face
3543 face ,gnus-article-button-face
3544 keymap ,gnus-mime-button-map
3547 (widget-convert-button 'link from (point)
3548 :action 'gnus-widget-press-button
3549 :button-keymap gnus-widget-button-keymap)
3551 (while (setq handle (pop handles))
3552 (gnus-add-text-properties
3555 (insert (format "(%c) %-18s"
3556 (if (equal handle preferred) ?* ? )
3557 (mm-handle-media-type handle)))
3561 (unless ,(not ibegend)
3562 (setq gnus-article-mime-handle-alist
3563 ',gnus-article-mime-handle-alist))
3564 (gnus-mime-display-alternative
3565 ',ihandles ',handle ',begend ,id))
3566 local-map ,gnus-mime-button-map
3567 ,gnus-mouse-face-prop ,gnus-article-mouse-face
3568 face ,gnus-article-button-face
3569 keymap ,gnus-mime-button-map
3572 (widget-convert-button 'link from (point)
3573 :action 'gnus-widget-press-button
3574 :button-keymap gnus-widget-button-keymap)
3578 (if (stringp (car preferred))
3579 (gnus-display-mime preferred)
3580 (let ((mail-parse-charset gnus-newsgroup-charset)
3581 (mail-parse-ignored-charsets
3582 (save-excursion (set-buffer gnus-summary-buffer)
3583 gnus-newsgroup-ignored-charsets)))
3584 (mm-display-part preferred)
3588 (narrow-to-region (car begend) (point-max))
3590 nil (length gnus-article-mime-handle-alist)
3591 (1- (length gnus-article-mime-handles))
3592 (mm-handle-media-type handle))))))
3593 (goto-char (point-max))
3594 (setcdr begend (point-marker)))))
3596 (goto-char point))))
3598 (defun gnus-article-wash-status ()
3599 "Return a string which display status of article washing."
3601 (set-buffer gnus-article-buffer)
3602 (let ((cite (gnus-article-hidden-text-p 'cite))
3603 (headers (gnus-article-hidden-text-p 'headers))
3604 (boring (gnus-article-hidden-text-p 'boring-headers))
3605 (pgp (gnus-article-hidden-text-p 'pgp))
3606 (pem (gnus-article-hidden-text-p 'pem))
3607 (signature (gnus-article-hidden-text-p 'signature))
3608 (overstrike (gnus-article-hidden-text-p 'overstrike))
3609 (emphasis (gnus-article-hidden-text-p 'emphasis))
3610 (mime gnus-show-mime))
3611 (format "%c%c%c%c%c%c%c"
3613 (if (or headers boring) ?h ? )
3614 (if (or pgp pem) ?p ? )
3615 (if signature ?s ? )
3616 (if overstrike ?o ? )
3618 (if emphasis ?e ? )))))
3620 (fset 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
3622 (defun gnus-article-maybe-hide-headers ()
3623 "Hide unwanted headers if `gnus-have-all-headers' is nil.
3624 Provided for backwards compatibility."
3625 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
3626 (not (save-excursion (set-buffer gnus-summary-buffer)
3627 gnus-have-all-headers)))
3628 (not gnus-inhibit-hiding))
3629 (gnus-article-hide-headers)))
3633 (defun gnus-output-to-file (file-name)
3634 "Append the current article to a file named FILE-NAME."
3635 (let ((artbuf (current-buffer)))
3637 (insert-buffer-substring artbuf)
3638 ;; Append newline at end of the buffer as separator, and then
3640 (goto-char (point-max))
3642 (append-to-file (point-min) (point-max) file-name)
3645 (defun gnus-narrow-to-page (&optional arg)
3646 "Narrow the article buffer to a page.
3647 If given a numerical ARG, move forward ARG pages."
3649 (setq arg (if arg (prefix-numeric-value arg) 0))
3651 (set-buffer gnus-article-buffer)
3652 (goto-char (point-min))
3654 ;; Remove any old next/prev buttons.
3655 (when (gnus-visual-p 'page-marker)
3656 (let ((buffer-read-only nil))
3657 (gnus-remove-text-with-property 'gnus-prev)
3658 (gnus-remove-text-with-property 'gnus-next)))
3661 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
3663 (re-search-forward page-delimiter nil 'move arg)))
3664 (goto-char (match-end 0)))
3667 (if (re-search-forward page-delimiter nil 'move)
3670 (when (and (gnus-visual-p 'page-marker)
3671 (not (= (point-min) 1)))
3673 (goto-char (point-min))
3674 (gnus-insert-prev-page-button)))
3675 (when (and (gnus-visual-p 'page-marker)
3676 (< (+ (point-max) 2) (buffer-size)))
3678 (goto-char (point-max))
3679 (gnus-insert-next-page-button)))))
3681 ;; Article mode commands
3683 (defun gnus-article-goto-next-page ()
3684 "Show the next page of the article."
3686 (when (gnus-article-next-page)
3687 (goto-char (point-min))
3688 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
3690 (defun gnus-article-goto-prev-page ()
3691 "Show the next page of the article."
3693 (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
3694 (gnus-article-prev-page nil)))
3696 (defun gnus-article-next-page (&optional lines)
3697 "Show the next page of the current article.
3698 If end of article, return non-nil. Otherwise return nil.
3699 Argument LINES specifies lines to be scrolled up."
3701 (move-to-window-line -1)
3704 (and (pos-visible-in-window-p) ;Not continuation line.
3706 ;; Nothing in this page.
3707 (if (or (not gnus-page-broken)
3710 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
3712 (gnus-narrow-to-page 1) ;Go to next page.
3714 ;; More in this page.
3715 (let ((scroll-in-place nil))
3719 ;; Long lines may cause an end-of-buffer error.
3720 (goto-char (point-max)))))
3721 (move-to-window-line 0)
3724 (defun gnus-article-prev-page (&optional lines)
3725 "Show previous page of current article.
3726 Argument LINES specifies lines to be scrolled down."
3728 (move-to-window-line 0)
3729 (if (and gnus-page-broken
3731 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
3733 (gnus-narrow-to-page -1) ;Go to previous page.
3734 (goto-char (point-max))
3736 (let ((scroll-in-place nil))
3740 (beginning-of-buffer
3741 (goto-char (point-min))))
3742 (move-to-window-line 0)))))
3744 (defun gnus-article-refer-article ()
3745 "Read article specified by message-id around point."
3747 (let ((point (point)))
3748 (search-forward ">" nil t) ;Move point to end of "<....>".
3749 (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
3750 (let ((message-id (match-string 1)))
3752 (set-buffer gnus-summary-buffer)
3753 (gnus-summary-refer-article message-id))
3755 (error "No references around point"))))
3757 (defun gnus-article-show-summary ()
3758 "Reconfigure windows to show summary buffer."
3760 (if (not (gnus-buffer-live-p gnus-summary-buffer))
3761 (error "There is no summary buffer for this article buffer")
3762 (gnus-article-set-globals)
3763 (gnus-configure-windows 'article)
3764 (gnus-summary-goto-subject gnus-current-article)
3765 (gnus-summary-position-point)))
3767 (defun gnus-article-describe-briefly ()
3768 "Describe article mode commands briefly."
3770 (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")))
3772 (defun gnus-article-summary-command ()
3773 "Execute the last keystroke in the summary buffer."
3775 (let ((obuf (current-buffer))
3776 (owin (current-window-configuration))
3778 (switch-to-buffer gnus-article-current-summary 'norecord)
3779 (setq func (lookup-key (current-local-map) (this-command-keys)))
3780 (call-interactively func)
3782 (set-window-configuration owin)
3783 (set-window-point (get-buffer-window (current-buffer)) (point))))
3785 (defun gnus-article-summary-command-nosave ()
3786 "Execute the last keystroke in the summary buffer."
3789 (pop-to-buffer gnus-article-current-summary 'norecord)
3790 (setq func (lookup-key (current-local-map) (this-command-keys)))
3791 (call-interactively func)))
3793 (defun gnus-article-check-buffer ()
3794 "Beep if not in an article buffer."
3795 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
3796 (error "Command invoked outside of a Gnus article buffer")))
3798 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
3799 "Read a summary buffer key sequence and execute it from the article buffer."
3801 (gnus-article-check-buffer)
3803 '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F"
3804 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
3805 "=" "^" "\M-^" "|"))
3811 '("n" "Gn" "p" "Gp"))
3814 (set-buffer gnus-article-current-summary)
3815 (let (gnus-pick-mode)
3816 (push (or key last-command-event) unread-command-events)
3817 (setq keys (if gnus-xemacs
3818 (events-to-keys (read-key-sequence nil))
3819 (read-key-sequence nil)))))
3823 (if (or (member keys nosaves)
3824 (member keys nosave-but-article)
3825 (member keys nosave-in-article))
3827 (save-window-excursion
3828 (pop-to-buffer gnus-article-current-summary 'norecord)
3829 ;; We disable the pick minor mode commands.
3830 (let (gnus-pick-mode)
3831 (setq func (lookup-key (current-local-map) keys))))
3834 (unless (member keys nosave-in-article)
3835 (set-buffer gnus-article-current-summary))
3836 (call-interactively func)
3837 (setq new-sum-point (point)))
3838 (when (member keys nosave-but-article)
3839 (pop-to-buffer gnus-article-buffer 'norecord)))
3840 ;; These commands should restore window configuration.
3841 (let ((obuf (current-buffer))
3842 (owin (current-window-configuration))
3844 (summary gnus-article-current-summary)
3845 func in-buffer selected)
3846 (if not-restore-window
3847 (pop-to-buffer summary 'norecord)
3848 (switch-to-buffer summary 'norecord))
3849 (setq in-buffer (current-buffer))
3850 ;; We disable the pick minor mode commands.
3851 (if (setq func (let (gnus-pick-mode)
3852 (lookup-key (current-local-map) keys)))
3854 (call-interactively func)
3855 (setq new-sum-point (point)))
3857 (when (eq in-buffer (current-buffer))
3858 (setq selected (gnus-summary-select-article))
3860 (unless not-restore-window
3861 (set-window-configuration owin))
3862 (when (eq selected 'old)
3864 (set-window-start (get-buffer-window (current-buffer))
3866 (set-window-point (get-buffer-window (current-buffer))
3868 (let ((win (get-buffer-window gnus-article-current-summary)))
3870 (set-window-point win new-sum-point))))))))
3872 (defun gnus-article-hide (&optional arg force)
3873 "Hide all the gruft in the current article.
3874 This means that PGP stuff, signatures, cited text and (some)
3875 headers will be hidden.
3876 If given a prefix, show the hidden text instead."
3877 (interactive (append (gnus-article-hidden-arg) (list 'force)))
3878 (gnus-article-hide-headers arg)
3879 (gnus-article-hide-pgp arg)
3880 (gnus-article-hide-citation-maybe arg force)
3881 (gnus-article-hide-signature arg))
3883 (defun gnus-article-maybe-highlight ()
3884 "Do some article highlighting if article highlighting is requested."
3885 (when (gnus-visual-p 'article-highlight 'highlight)
3886 (gnus-article-highlight-some)))
3888 (defun gnus-check-group-server ()
3889 ;; Make sure the connection to the server is alive.
3890 (unless (gnus-server-opened
3891 (gnus-find-method-for-group gnus-newsgroup-name))
3892 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
3893 (gnus-request-group gnus-newsgroup-name t)))
3895 (defun gnus-request-article-this-buffer (article group)
3896 "Get an article and insert it into this buffer."
3897 (let (do-update-line sparse-header)
3901 (gnus-kill-all-overlays)
3902 (setq group (or group gnus-newsgroup-name))
3904 ;; Using `gnus-request-article' directly will insert the article into
3905 ;; `nntp-server-buffer' - so we'll save some time by not having to
3906 ;; copy it from the server buffer into the article buffer.
3908 ;; We only request an article by message-id when we do not have the
3909 ;; headers for it, so we'll have to get those.
3910 (when (stringp article)
3911 (let ((gnus-override-method gnus-refer-article-method))
3912 (gnus-read-header article)))
3914 ;; If the article number is negative, that means that this article
3915 ;; doesn't belong in this newsgroup (possibly), so we find its
3916 ;; message-id and request it by id instead of number.
3917 (when (and (numberp article)
3919 (get-buffer gnus-summary-buffer)
3920 (gnus-buffer-exists-p gnus-summary-buffer))
3922 (set-buffer gnus-summary-buffer)
3923 (let ((header (gnus-summary-article-header article)))
3926 ((memq article gnus-newsgroup-sparse)
3927 ;; This is a sparse gap article.
3928 (setq do-update-line article)
3929 (setq article (mail-header-id header))
3930 (let ((gnus-override-method gnus-refer-article-method))
3931 (setq sparse-header (gnus-read-header article)))
3932 (setq gnus-newsgroup-sparse
3933 (delq article gnus-newsgroup-sparse)))
3935 ;; It's a real article.
3936 (setq article (mail-header-id header)))
3938 ;; It is an extracted pseudo-article.
3939 (setq article 'pseudo)
3940 (gnus-request-pseudo-article header))))
3942 (let ((method (gnus-find-method-for-group
3943 gnus-newsgroup-name)))
3944 (when (and (eq (car method) 'nneething)
3947 (file-name-as-directory
3948 (or (cadr (assq 'nneething-address method))
3950 (mail-header-subject header))))
3951 (when (file-directory-p dir)
3952 (setq article 'nneething)
3953 (gnus-group-enter-directory dir))))))))
3956 ;; Refuse to select canceled articles.
3957 ((and (numberp article)
3959 (get-buffer gnus-summary-buffer)
3960 (gnus-buffer-exists-p gnus-summary-buffer)
3961 (eq (cdr (save-excursion
3962 (set-buffer gnus-summary-buffer)
3963 (assq article gnus-newsgroup-reads)))
3964 gnus-canceled-mark))
3966 ;; Check the backlog.
3967 ((and gnus-keep-backlog
3968 (gnus-backlog-request-article group article (current-buffer)))
3970 ;; Check asynchronous pre-fetch.
3971 ((gnus-async-request-fetched-article group article (current-buffer))
3972 (gnus-async-prefetch-next group article gnus-summary-buffer)
3973 (when (and (numberp article) gnus-keep-backlog)
3974 (gnus-backlog-enter-article group article (current-buffer)))
3977 ((and gnus-use-cache
3979 (gnus-cache-request-article article group))
3981 ;; Get the article and put into the article buffer.
3982 ((or (stringp article) (numberp article))
3983 (let ((gnus-override-method
3984 (and (stringp article) gnus-refer-article-method))
3985 (buffer-read-only nil))
3987 (gnus-kill-all-overlays)
3988 (gnus-check-group-server)
3989 (when (gnus-request-article article group (current-buffer))
3990 (when (numberp article)
3991 (gnus-async-prefetch-next group article gnus-summary-buffer)
3992 (when gnus-keep-backlog
3993 (gnus-backlog-enter-article
3994 group article (current-buffer))))
3999 ;; Associate this article with the current summary buffer.
4000 (setq gnus-article-current-summary gnus-summary-buffer)
4002 ;; Take the article from the original article buffer
4003 ;; and place it in the buffer it's supposed to be in.
4004 (when (and (get-buffer gnus-article-buffer)
4005 (equal (buffer-name (current-buffer))
4006 (buffer-name (get-buffer gnus-article-buffer))))
4008 (if (get-buffer gnus-original-article-buffer)
4009 (set-buffer gnus-original-article-buffer)
4010 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4011 (buffer-disable-undo)
4012 (setq major-mode 'gnus-original-article-mode)
4013 (setq buffer-read-only t))
4014 (let (buffer-read-only)
4016 (insert-buffer-substring gnus-article-buffer))
4017 (setq gnus-original-article (cons group article)))
4020 (run-hooks 'gnus-article-decode-hook)
4021 ;; Mark article as decoded or not.
4022 (setq gnus-article-decoded-p gnus-article-decode-hook))
4024 ;; Update sparse articles.
4025 (when (and do-update-line
4026 (or (numberp article)
4028 (let ((buf (current-buffer)))
4029 (set-buffer gnus-summary-buffer)
4030 (gnus-summary-update-article do-update-line sparse-header)
4031 (gnus-summary-goto-subject do-update-line nil t)
4032 (set-window-point (get-buffer-window (current-buffer) t)
4034 (set-buffer buf))))))
4040 (defcustom gnus-article-edit-mode-hook nil
4041 "Hook run in article edit mode buffers."
4042 :group 'gnus-article-various
4045 (defcustom gnus-article-edit-article-setup-function
4046 'gnus-article-mime-edit-article-setup
4047 "Function called to setup an editing article buffer."
4048 :group 'gnus-article-various
4051 (defvar gnus-article-edit-done-function nil)
4053 (defvar gnus-article-edit-mode-map nil)
4055 ;; Should we be using derived.el for this?
4056 (unless gnus-article-edit-mode-map
4057 (setq gnus-article-edit-mode-map (make-sparse-keymap))
4058 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
4060 (gnus-define-keys gnus-article-edit-mode-map
4061 "\C-c\C-c" gnus-article-edit-done
4062 "\C-c\C-k" gnus-article-edit-exit)
4064 (gnus-define-keys (gnus-article-edit-wash-map
4065 "\C-c\C-w" gnus-article-edit-mode-map)
4066 "f" gnus-article-edit-full-stops))
4068 (defun gnus-article-edit-mode ()
4069 "Major mode for editing articles.
4070 This is an extended text-mode.
4072 \\{gnus-article-edit-mode-map}"
4074 (setq major-mode 'gnus-article-edit-mode)
4075 (setq mode-name "Article Edit")
4076 (use-local-map gnus-article-edit-mode-map)
4077 (make-local-variable 'gnus-article-edit-done-function)
4078 (make-local-variable 'gnus-prev-winconf)
4079 (setq buffer-read-only nil)
4080 (buffer-enable-undo)
4082 (gnus-run-hooks 'text-mode-hook 'gnus-article-edit-mode-hook))
4084 (defun gnus-article-edit (&optional force)
4085 "Edit the current article.
4086 This will have permanent effect only in mail groups.
4087 If FORCE is non-nil, allow editing of articles even in read-only
4090 (when (and (not force)
4091 (gnus-group-read-only-p))
4092 (error "The current newsgroup does not support article editing"))
4093 (gnus-article-date-original)
4094 (gnus-article-edit-article
4096 `(lambda (no-highlight)
4098 (gnus-summary-edit-article-done
4099 ,(or (mail-header-references gnus-current-headers) "")
4100 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
4102 (defun gnus-article-edit-article (start-func exit-func)
4103 "Start editing the contents of the current article buffer."
4104 (let ((winconf (current-window-configuration)))
4105 (set-buffer gnus-article-buffer)
4106 (gnus-article-edit-mode)
4107 (funcall start-func)
4108 (gnus-configure-windows 'edit-article)
4109 (setq gnus-article-edit-done-function exit-func)
4110 (setq gnus-prev-winconf winconf)
4111 (when gnus-article-edit-article-setup-function
4112 (funcall gnus-article-edit-article-setup-function))
4113 (gnus-message 6 "C-c C-c to end edits")))
4115 (defun gnus-article-edit-done (&optional arg)
4116 "Update the article edits and exit."
4121 (when (article-goto-body)
4122 (let ((lines (count-lines (point) (point-max)))
4123 (length (- (point-max) (point)))
4124 (case-fold-search t)
4125 (body (copy-marker (point))))
4126 (goto-char (point-min))
4127 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
4128 (delete-region (match-beginning 1) (match-end 1))
4129 (insert (number-to-string length)))
4130 (goto-char (point-min))
4131 (when (re-search-forward
4132 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
4133 (delete-region (match-beginning 1) (match-end 1))
4134 (insert (number-to-string length)))
4135 (goto-char (point-min))
4136 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
4137 (delete-region (match-beginning 1) (match-end 1))
4138 (insert (number-to-string lines)))))))
4139 (let ((func gnus-article-edit-done-function)
4140 (buf (current-buffer))
4141 (start (window-start)))
4142 (remove-hook 'gnus-article-mode-hook
4143 'gnus-article-mime-edit-article-unwind)
4144 (gnus-article-edit-exit)
4147 (let ((buffer-read-only nil))
4149 ;; The cache and backlog have to be flushed somewhat.
4150 (when gnus-keep-backlog
4151 (gnus-backlog-remove-article
4152 (car gnus-article-current) (cdr gnus-article-current)))
4153 ;; Flush original article as well.
4155 (when (get-buffer gnus-original-article-buffer)
4156 (set-buffer gnus-original-article-buffer)
4157 (setq gnus-original-article nil)))
4158 (when gnus-use-cache
4159 (gnus-cache-update-article
4160 (car gnus-article-current) (cdr gnus-article-current))))
4162 (set-window-start (get-buffer-window buf) start)
4163 (set-window-point (get-buffer-window buf) (point))))
4165 (defun gnus-article-edit-exit ()
4166 "Exit the article editing without updating."
4168 ;; We remove all text props from the article buffer.
4169 (let ((buf (format "%s" (buffer-string)))
4170 (curbuf (current-buffer))
4172 (window-start (window-start)))
4175 (let ((winconf gnus-prev-winconf))
4177 (set-window-configuration winconf)
4178 ;; Tippy-toe some to make sure that point remains where it was.
4179 (save-current-buffer
4181 (set-window-start (get-buffer-window (current-buffer)) window-start)
4184 (defun gnus-article-edit-full-stops ()
4185 "Interactively repair spacing at end of sentences."
4188 (goto-char (point-min))
4189 (search-forward-regexp "^$" nil t)
4190 (let ((case-fold-search nil))
4191 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
4194 ;;; Article editing with MIME-Edit
4197 (defcustom gnus-article-mime-edit-article-setup-hook nil
4198 "Hook run after setting up a MIME editing article buffer."
4199 :group 'gnus-article-various
4202 (defun gnus-article-mime-edit-article-unwind ()
4203 "Unwind `gnus-article-buffer' if article editing was given up."
4204 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
4205 (when mime-edit-mode-flag
4206 (mime-edit-exit 'nomime 'no-error)
4208 (when (featurep 'font-lock)
4209 (setq font-lock-defaults nil)
4210 (font-lock-mode 0)))
4212 (defun gnus-article-mime-edit-article-setup ()
4213 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
4214 after replacing with the original article."
4215 (setq gnus-show-mime t)
4216 (setq gnus-article-edit-done-function
4217 `(lambda (&rest args)
4218 (when mime-edit-mode-flag
4221 (goto-char (point-min))
4222 (let (case-fold-search)
4223 (when (re-search-forward
4224 (format "^%s$" (regexp-quote mail-header-separator))
4226 (replace-match "")))
4227 (when (featurep 'font-lock)
4228 (setq font-lock-defaults nil)
4230 (apply ,gnus-article-edit-done-function args)
4231 (set-buffer gnus-original-article-buffer)
4233 (insert-buffer gnus-article-buffer)
4234 (setq gnus-current-headers (gnus-article-make-full-mail-header))
4235 (gnus-article-prepare-display)))
4236 (substitute-key-definition
4237 'gnus-article-edit-exit 'gnus-article-mime-edit-exit
4238 gnus-article-edit-mode-map)
4240 (insert-buffer gnus-original-article-buffer)
4242 (when (featurep 'font-lock)
4243 (set (make-local-variable 'font-lock-defaults)
4244 '(message-font-lock-keywords t))
4245 (font-lock-set-defaults)
4246 (turn-on-font-lock))
4247 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
4248 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
4250 (defun gnus-article-mime-edit-exit ()
4251 "Exit the article MIME editing without updating."
4253 (let ((winconf gnus-prev-winconf)
4255 (when mime-edit-mode-flag
4258 (goto-char (point-min))
4259 (let (case-fold-search)
4260 (when (re-search-forward
4261 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
4262 (replace-match "")))
4263 (when (featurep 'font-lock)
4264 (setq font-lock-defaults nil)
4266 ;; We remove all text props from the article buffer.
4267 (setq buf (format "%s" (buffer-string)))
4268 (set-buffer (get-buffer-create gnus-original-article-buffer))
4271 (setq gnus-current-headers (gnus-article-make-full-mail-header))
4272 (gnus-article-prepare-display)
4273 (set-window-configuration winconf)))
4276 ;;; Article highlights
4279 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
4281 ;;; Internal Variables:
4283 (defcustom gnus-button-url-regexp "\\b\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)"
4284 "Regular expression that matches URLs."
4285 :group 'gnus-article-buttons
4288 (defcustom gnus-button-alist
4289 `(("<\\(url:[>\n\t ]*?\\)?news:[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
4290 0 t gnus-button-message-id 2)
4291 ("\\bnews:\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t gnus-button-message-id 1)
4292 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
4294 gnus-button-fetch-group 4)
4295 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
4296 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
4297 t gnus-button-message-id 3)
4298 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
4299 ("mailto:\\([-a-zA-Z.@_+0-9%]+\\)" 0 t gnus-url-mailto 1)
4300 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
4301 ;; This is how URLs _should_ be embedded in text...
4302 ("<URL: *\\([^>]*\\)>" 0 t gnus-button-embedded-url 1)
4304 (,gnus-button-url-regexp 0 t gnus-button-url 0))
4305 "*Alist of regexps matching buttons in article bodies.
4307 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
4308 REGEXP: is the string matching text around the button,
4309 BUTTON: is the number of the regexp grouping actually matching the button,
4310 FORM: is a lisp expression which must eval to true for the button to
4312 CALLBACK: is the function to call when the user push this button, and each
4313 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
4315 CALLBACK can also be a variable, in that case the value of that
4316 variable it the real callback function."
4317 :group 'gnus-article-buttons
4318 :type '(repeat (list regexp
4319 (integer :tag "Button")
4321 (function :tag "Callback")
4324 (integer :tag "Regexp group")))))
4326 (defcustom gnus-header-button-alist
4327 `(("^\\(References\\|Message-I[Dd]\\):" "<[^>]+>"
4328 0 t gnus-button-message-id 0)
4329 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
4330 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
4331 0 t gnus-button-mailto 0)
4332 ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t gnus-button-url 0)
4333 ("^Subject:" ,gnus-button-url-regexp 0 t gnus-button-url 0)
4334 ("^[^:]+:" ,gnus-button-url-regexp 0 t gnus-button-url 0)
4335 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
4336 gnus-button-message-id 3))
4337 "*Alist of headers and regexps to match buttons in article heads.
4339 This alist is very similar to `gnus-button-alist', except that each
4340 alist has an additional HEADER element first in each entry:
4342 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
4344 HEADER is a regexp to match a header. For a fuller explanation, see
4345 `gnus-button-alist'."
4346 :group 'gnus-article-buttons
4347 :group 'gnus-article-headers
4348 :type '(repeat (list (regexp :tag "Header")
4350 (integer :tag "Button")
4352 (function :tag "Callback")
4355 (integer :tag "Regexp group")))))
4357 (defvar gnus-button-regexp nil)
4358 (defvar gnus-button-marker-list nil)
4359 ;; Regexp matching any of the regexps from `gnus-button-alist'.
4361 (defvar gnus-button-last nil)
4362 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
4366 (defun gnus-article-push-button (event)
4367 "Check text under the mouse pointer for a callback function.
4368 If the text under the mouse pointer has a `gnus-callback' property,
4369 call it with the value of the `gnus-data' text property."
4371 (set-buffer (window-buffer (posn-window (event-start event))))
4372 (let* ((pos (posn-point (event-start event)))
4373 (data (get-text-property pos 'gnus-data))
4374 (fun (get-text-property pos 'gnus-callback)))
4377 (funcall fun data))))
4379 (defun gnus-article-press-button ()
4380 "Check text at point for a callback function.
4381 If the text at point has a `gnus-callback' property,
4382 call it with the value of the `gnus-data' text property."
4384 (let* ((data (get-text-property (point) 'gnus-data))
4385 (fun (get-text-property (point) 'gnus-callback)))
4387 (funcall fun data))))
4389 (defun gnus-article-prev-button (n)
4390 "Move point to N buttons backward.
4391 If N is negative, move forward instead."
4393 (gnus-article-next-button (- n)))
4395 (defun gnus-article-next-button (n)
4396 "Move point to N buttons forward.
4397 If N is negative, move backward instead."
4399 (let ((function (if (< n 0) 'previous-single-property-change
4400 'next-single-property-change))
4401 (inhibit-point-motion-hooks t)
4403 (limit (if (< n 0) (point-min) (point-max))))
4405 (while (and (not (= limit (point)))
4407 ;; Skip past the current button.
4408 (when (get-text-property (point) 'gnus-callback)
4409 (goto-char (funcall function (point) 'gnus-callback nil limit)))
4410 ;; Go to the next (or previous) button.
4411 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
4412 ;; Put point at the start of the button.
4413 (when (and backward (not (get-text-property (point) 'gnus-callback)))
4414 (goto-char (funcall function (point) 'gnus-callback nil limit)))
4415 ;; Skip past intangible buttons.
4416 (when (get-text-property (point) 'intangible)
4420 (gnus-message 5 "No more buttons"))
4423 (defun gnus-article-highlight (&optional force)
4424 "Highlight current article.
4425 This function calls `gnus-article-highlight-headers',
4426 `gnus-article-highlight-citation',
4427 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
4428 do the highlighting. See the documentation for those functions."
4429 (interactive (list 'force))
4430 (gnus-article-highlight-headers)
4431 (gnus-article-highlight-citation force)
4432 (gnus-article-highlight-signature)
4433 (gnus-article-add-buttons force)
4434 (gnus-article-add-buttons-to-head))
4436 (defun gnus-article-highlight-some (&optional force)
4437 "Highlight current article.
4438 This function calls `gnus-article-highlight-headers',
4439 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
4440 do the highlighting. See the documentation for those functions."
4441 (interactive (list 'force))
4442 (gnus-article-highlight-headers)
4443 (gnus-article-highlight-signature)
4444 (gnus-article-add-buttons))
4446 (defun gnus-article-highlight-headers ()
4447 "Highlight article headers as specified by `gnus-header-face-alist'."
4450 (set-buffer gnus-article-buffer)
4452 (let ((alist gnus-header-face-alist)
4453 (buffer-read-only nil)
4454 (case-fold-search t)
4455 (inhibit-point-motion-hooks t)
4456 entry regexp header-face field-face from hpoints fpoints)
4457 (article-narrow-to-head)
4458 (while (setq entry (pop alist))
4459 (goto-char (point-min))
4460 (setq regexp (concat "^\\("
4461 (if (string-equal "" (nth 0 entry))
4465 header-face (nth 1 entry)
4466 field-face (nth 2 entry))
4467 (while (and (re-search-forward regexp nil t)
4471 (unless (search-forward ":" nil t)
4473 (when (and header-face
4474 (not (memq (point) hpoints)))
4475 (push (point) hpoints)
4476 (gnus-put-text-property from (point) 'face header-face))
4477 (when (and field-face
4478 (not (memq (setq from (point)) fpoints)))
4480 (if (re-search-forward "^[^ \t]" nil t)
4482 (goto-char (point-max)))
4483 (gnus-put-text-property from (point) 'face field-face))))))))
4485 (defun gnus-article-highlight-signature ()
4486 "Highlight the signature in an article.
4487 It does this by highlighting everything after
4488 `gnus-signature-separator' using `gnus-signature-face'."
4491 (set-buffer gnus-article-buffer)
4492 (let ((buffer-read-only nil)
4493 (inhibit-point-motion-hooks t))
4495 (when (and gnus-signature-face
4496 (gnus-article-narrow-to-signature))
4497 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
4498 'face gnus-signature-face)
4500 (gnus-article-search-signature)
4501 (let ((start (match-beginning 0))
4502 (end (set-marker (make-marker) (1+ (match-end 0)))))
4503 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
4506 (defun gnus-button-in-region-p (b e prop)
4507 "Say whether PROP exists in the region."
4508 (text-property-not-all b e prop nil))
4510 (defun gnus-article-add-buttons (&optional force)
4511 "Find external references in the article and make buttons of them.
4512 \"External references\" are things like Message-IDs and URLs, as
4513 specified by `gnus-button-alist'."
4514 (interactive (list 'force))
4516 (set-buffer gnus-article-buffer)
4517 (let ((buffer-read-only nil)
4518 (inhibit-point-motion-hooks t)
4519 (case-fold-search t)
4520 (alist gnus-button-alist)
4522 ;; Remove all old markers.
4524 (while (setq marker (pop gnus-button-marker-list))
4526 (when (setq entry (gnus-button-entry))
4527 (put-text-property (match-beginning (nth 1 entry))
4528 (match-end (nth 1 entry))
4529 'gnus-callback nil))
4530 (set-marker marker nil)))
4531 ;; We skip the headers.
4534 (while (setq entry (pop alist))
4535 (setq regexp (car entry))
4537 (while (re-search-forward regexp nil t)
4538 (let* ((start (and entry (match-beginning (nth 1 entry))))
4539 (end (and entry (match-end (nth 1 entry))))
4540 (from (match-beginning 0)))
4541 (when (and (or (eq t (nth 2 entry))
4542 (eval (nth 2 entry)))
4543 (not (gnus-button-in-region-p
4544 start end 'gnus-callback)))
4545 ;; That optional form returned non-nil, so we add the
4547 (gnus-article-add-button
4548 start end 'gnus-button-push
4549 (car (push (set-marker (make-marker) from)
4550 gnus-button-marker-list))))))))))
4552 ;; Add buttons to the head of an article.
4553 (defun gnus-article-add-buttons-to-head ()
4554 "Add buttons to the head of the article."
4557 (set-buffer gnus-article-buffer)
4559 (let ((buffer-read-only nil)
4560 (inhibit-point-motion-hooks t)
4561 (case-fold-search t)
4562 (alist gnus-header-button-alist)
4564 (article-narrow-to-head)
4566 ;; Each alist entry.
4567 (setq entry (car alist)
4569 (goto-char (point-min))
4570 (while (re-search-forward (car entry) nil t)
4571 ;; Each header matching the entry.
4572 (setq beg (match-beginning 0))
4573 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
4574 (match-beginning 0))
4577 (while (re-search-forward (nth 1 entry) end t)
4578 ;; Each match within a header.
4579 (let* ((entry (cdr entry))
4580 (start (match-beginning (nth 1 entry)))
4581 (end (match-end (nth 1 entry)))
4582 (form (nth 2 entry)))
4583 (goto-char (match-end 0))
4585 (gnus-article-add-button
4586 start end (nth 3 entry)
4587 (buffer-substring (match-beginning (nth 4 entry))
4588 (match-end (nth 4 entry)))))))
4589 (goto-char end)))))))
4591 ;;; External functions:
4593 (defun gnus-article-add-button (from to fun &optional data)
4594 "Create a button between FROM and TO with callback FUN and data DATA."
4595 (when gnus-article-button-face
4596 (gnus-overlay-put (gnus-make-overlay from to)
4597 'face gnus-article-button-face))
4598 (gnus-add-text-properties
4600 (nconc (and gnus-article-mouse-face
4601 (list gnus-mouse-face-prop gnus-article-mouse-face))
4602 (list 'gnus-callback fun)
4603 (and data (list 'gnus-data data)))))
4605 ;;; Internal functions:
4607 (defun gnus-article-set-globals ()
4609 (set-buffer gnus-summary-buffer)
4610 (gnus-set-global-variables)))
4612 (defun gnus-signature-toggle (end)
4614 (set-buffer gnus-article-buffer)
4615 (let ((buffer-read-only nil)
4616 (inhibit-point-motion-hooks t))
4617 (if (get-text-property end 'invisible)
4618 (gnus-article-unhide-text end (point-max))
4619 (gnus-article-hide-text end (point-max) gnus-hidden-properties)))))
4621 (defun gnus-button-entry ()
4622 ;; Return the first entry in `gnus-button-alist' matching this place.
4623 (let ((alist gnus-button-alist)
4626 (setq entry (pop alist))
4627 (if (looking-at (car entry))
4632 (defun gnus-button-push (marker)
4633 ;; Push button starting at MARKER.
4636 (let* ((entry (gnus-button-entry))
4637 (inhibit-point-motion-hooks t)
4639 (args (mapcar (lambda (group)
4640 (let ((string (match-string group)))
4641 (gnus-set-text-properties
4642 0 (length string) nil string)
4649 (fboundp (symbol-value fun)))
4650 (apply (symbol-value fun) args))
4652 (gnus-message 1 "You must define `%S' to use this button"
4653 (cons fun args)))))))
4655 (defun gnus-button-message-id (message-id)
4658 (set-buffer gnus-summary-buffer)
4659 (gnus-summary-refer-article message-id)))
4661 (defun gnus-button-fetch-group (address)
4662 "Fetch GROUP specified by ADDRESS."
4663 (if (not (string-match "[:/]" address))
4664 ;; This is just a simple group url.
4665 (gnus-group-read-ephemeral-group address gnus-select-method)
4666 (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)/\\)?\\(.*\\)$"
4668 (error "Can't parse %s" address)
4669 (gnus-group-read-ephemeral-group
4670 (match-string 4 address)
4671 `(nntp ,(match-string 1 address)
4672 (nntp-address ,(match-string 1 address))
4673 (nntp-port-number ,(if (match-end 3)
4674 (match-string 3 address)
4677 (defun gnus-url-parse-query-string (query &optional downcase)
4678 (let (retval pairs cur key val)
4679 (setq pairs (split-string query "&"))
4681 (setq cur (car pairs)
4683 (if (not (string-match "=" cur))
4685 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
4686 val (gnus-url-unhex-string (substring cur (match-end 0) nil)))
4688 (setq key (downcase key)))
4689 (setq cur (assoc key retval))
4691 (setcdr cur (cons val (cdr cur)))
4692 (setq retval (cons (list key val) retval)))))
4695 (defun gnus-url-unhex (x)
4702 (defun gnus-url-unhex-string (str &optional allow-newlines)
4703 "Remove %XXX embedded spaces, etc in a url.
4704 If optional second argument ALLOW-NEWLINES is non-nil, then allow the
4705 decoding of carriage returns and line feeds in the string, which is normally
4706 forbidden in URL encoding."
4707 (setq str (or str ""))
4709 (case-fold-search t))
4710 (while (string-match "%[0-9a-f][0-9a-f]" str)
4711 (let* ((start (match-beginning 0))
4712 (ch1 (gnus-url-unhex (elt str (+ start 1))))
4714 (gnus-url-unhex (elt str (+ start 2))))))
4716 tmp (substring str 0 start)
4719 (char-to-string code))
4720 ((or (= code ?\n) (= code ?\r))
4722 (t (char-to-string code))))
4723 str (substring str (match-end 0)))))
4724 (setq tmp (concat tmp str))
4727 (defun gnus-url-mailto (url)
4728 ;; Send mail to someone
4729 (when (string-match "mailto:/*\\(.*\\)" url)
4730 (setq url (substring url (match-beginning 1) nil)))
4731 (let (to args subject func)
4732 (if (string-match (regexp-quote "?") url)
4733 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
4734 args (gnus-url-parse-query-string
4735 (substring url (match-end 0) nil) t))
4736 (setq to (gnus-url-unhex-string url)))
4737 (setq args (cons (list "to" to) args)
4738 subject (cdr-safe (assoc "subject" args)))
4739 (gnus-setup-message 'reply
4742 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
4745 (message-position-on-field (caar args)))
4746 (insert (mapconcat 'identity (cdar args) ", "))
4747 (setq args (cdr args)))
4750 (message-goto-subject)))))
4752 (defun gnus-button-mailto (address)
4754 (set-buffer (gnus-copy-article-buffer))
4755 (gnus-setup-message 'reply
4756 (message-reply address)))
4758 (defun gnus-button-reply (address)
4759 ;; Reply to ADDRESS.
4760 (gnus-setup-message 'reply
4761 (message-reply address)))
4763 (defun gnus-button-url (address)
4765 ;; In Emacs 20, `browse-url-browser-function' may be an alist.
4766 (if (listp browse-url-browser-function)
4767 (browse-url address)
4768 (funcall browse-url-browser-function address)))
4770 (defun gnus-button-embedded-url (address)
4772 ;; In Emacs 20, `browse-url-browser-function' may be an alist.
4773 (if (listp browse-url-browser-function)
4774 (browse-url (gnus-strip-whitespace address))
4775 (funcall browse-url-browser-function (gnus-strip-whitespace address))))
4777 ;;; Next/prev buttons in the article buffer.
4779 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
4780 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
4782 (defvar gnus-prev-page-map nil)
4783 (unless gnus-prev-page-map
4784 (setq gnus-prev-page-map (make-sparse-keymap))
4785 (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page)
4786 (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page))
4788 (defun gnus-insert-prev-page-button ()
4789 (let ((buffer-read-only nil))
4791 gnus-prev-page-line-format nil
4792 `(gnus-prev t local-map ,gnus-prev-page-map
4793 gnus-callback gnus-article-button-prev-page
4794 article-type annotation))))
4796 (defvar gnus-next-page-map nil)
4797 (unless gnus-next-page-map
4798 (setq gnus-next-page-map (make-keymap))
4799 (suppress-keymap gnus-prev-page-map)
4800 (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page)
4801 (define-key gnus-next-page-map "\r" 'gnus-button-next-page))
4803 (defun gnus-button-next-page ()
4804 "Go to the next page."
4806 (let ((win (selected-window)))
4807 (select-window (get-buffer-window gnus-article-buffer t))
4808 (gnus-article-next-page)
4809 (select-window win)))
4811 (defun gnus-button-prev-page ()
4812 "Go to the prev page."
4814 (let ((win (selected-window)))
4815 (select-window (get-buffer-window gnus-article-buffer t))
4816 (gnus-article-prev-page)
4817 (select-window win)))
4819 (defun gnus-insert-next-page-button ()
4820 (let ((buffer-read-only nil))
4821 (gnus-eval-format gnus-next-page-line-format nil
4823 t local-map ,gnus-next-page-map
4824 gnus-callback gnus-article-button-next-page
4825 article-type annotation))))
4827 (defun gnus-article-button-next-page (arg)
4828 "Go to the next page."
4830 (let ((win (selected-window)))
4831 (select-window (get-buffer-window gnus-article-buffer t))
4832 (gnus-article-next-page)
4833 (select-window win)))
4835 (defun gnus-article-button-prev-page (arg)
4836 "Go to the prev page."
4838 (let ((win (selected-window)))
4839 (select-window (get-buffer-window gnus-article-buffer t))
4840 (gnus-article-prev-page)
4841 (select-window win)))
4843 (defvar gnus-decode-header-methods
4844 '(mail-decode-encoded-word-region)
4845 "List of methods used to decode headers.
4847 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item is
4848 FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
4849 (REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
4850 whose names match REGEXP.
4853 ((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
4854 mail-decode-encoded-word-region
4855 (\"chinese\" . rfc1843-decode-region))
4858 (defvar gnus-decode-header-methods-cache nil)
4860 (defun gnus-multi-decode-header (start end)
4861 "Apply the functions from `gnus-encoded-word-methods' that match."
4862 (unless (and gnus-decode-header-methods-cache
4863 (eq gnus-newsgroup-name
4864 (car gnus-decode-header-methods-cache)))
4865 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
4868 (nconc gnus-decode-header-methods-cache (list x))
4869 (if (and gnus-newsgroup-name
4870 (string-match (car x) gnus-newsgroup-name))
4871 (nconc gnus-decode-header-methods-cache
4873 gnus-decode-header-methods))
4874 (let ((xlist gnus-decode-header-methods-cache))
4877 (narrow-to-region start end)
4879 (funcall (pop xlist) (point-min) (point-max))))))
4882 ;;; Treatment top-level handling.
4885 (defun gnus-treat-article (condition &optional part-number total-parts type)
4886 (let ((length (- (point-max) (point-min)))
4887 (alist gnus-treatment-function-alist)
4888 (article-goto-body-goes-to-point-min-p t)
4892 (let ((list gnus-article-treat-types))
4894 (when (string-match (pop list) type)
4895 (throw 'found t)))))))
4896 (highlightp (gnus-visual-p 'article-highlight 'highlight))
4898 (gnus-run-hooks 'gnus-part-display-hook)
4899 (while (setq elem (pop alist))
4900 (setq val (symbol-value (car elem)))
4901 (when (and (or (consp val)
4903 (gnus-treat-predicate val)
4904 (or (not (get (car elem) 'highlight))
4907 (funcall (cadr elem)))))))
4909 ;; Dynamic variables.
4910 (defvar part-number)
4911 (defvar total-parts)
4915 (defun gnus-treat-predicate (val)
4918 (not (not gnus-show-mime)))
4922 (let ((pred (pop val)))
4925 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
4927 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
4929 (not (gnus-treat-predicate val)))
4931 (equal (cadr val) type))
4933 (gnus-treat-predicate pred)))))
4941 (eq part-number total-parts))
4945 (stringp (car val)))
4946 (apply 'gnus-or (mapcar `(lambda (s)
4947 (string-match s ,(or gnus-newsgroup-name "")))
4950 (error "%S is not a valid value" val))))
4956 (defun gnus-article-header-presentation-method (entity situation)
4957 (mime-insert-header entity)
4960 (set-alist 'mime-header-presentation-method-alist
4961 'gnus-original-article-mode
4962 #'gnus-article-header-presentation-method)
4964 (defun gnus-mime-preview-quitting-method ()
4965 (mime-preview-kill-buffer)
4966 (delete-other-windows)
4967 (gnus-article-show-summary)
4968 (gnus-summary-select-article gnus-show-all-headers t))
4970 (set-alist 'mime-preview-quitting-method-alist
4971 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
4973 (defun gnus-following-method (buf)
4976 (message-yank-original)
4978 (goto-char (point-min))
4981 (set-alist 'mime-preview-following-method-alist
4982 'gnus-original-article-mode #'gnus-following-method)
4984 (set-alist 'mime-preview-over-to-previous-method-alist
4985 'gnus-original-article-mode
4987 (gnus-article-read-summary-keys
4988 nil (gnus-character-to-event ?P))))
4990 (set-alist 'mime-preview-over-to-next-method-alist
4991 'gnus-original-article-mode'
4993 (gnus-article-read-summary-keys
4994 nil (gnus-character-to-event ?N))))
5004 (run-hooks 'gnus-art-load-hook)
5006 ;;; gnus-art.el ends here