1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 3, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
33 (defvar w3m-minor-mode-map))
36 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
38 (let ((recursive-load-depth-limit 100))
51 (autoload 'gnus-msg-mail "gnus-msg" nil t)
52 (autoload 'gnus-button-mailto "gnus-msg")
53 (autoload 'gnus-button-reply "gnus-msg" nil t)
54 (autoload 'parse-time-string "parse-time" nil nil)
55 (autoload 'ansi-color-apply-on-region "ansi-color")
56 (autoload 'mm-url-insert-file-contents-external "mm-url")
57 (autoload 'mm-extern-cache-contents "mm-extern")
59 (defgroup gnus-article nil
61 :link '(custom-manual "(gnus)Article Buffer")
64 (defgroup gnus-article-treat nil
65 "Treating article parts."
66 :link '(custom-manual "(gnus)Article Hiding")
69 (defgroup gnus-article-hiding nil
70 "Hiding article parts."
71 :link '(custom-manual "(gnus)Article Hiding")
74 (defgroup gnus-article-highlight nil
75 "Article highlighting."
76 :link '(custom-manual "(gnus)Article Highlighting")
80 (defgroup gnus-article-signature nil
82 :link '(custom-manual "(gnus)Article Signature")
85 (defgroup gnus-article-headers nil
87 :link '(custom-manual "(gnus)Hiding Headers")
90 (defgroup gnus-article-washing nil
91 "Special commands on articles."
92 :link '(custom-manual "(gnus)Article Washing")
95 (defgroup gnus-article-emphasis nil
96 "Fontisizing articles."
97 :link '(custom-manual "(gnus)Article Fontisizing")
100 (defgroup gnus-article-saving nil
102 :link '(custom-manual "(gnus)Saving Articles")
103 :group 'gnus-article)
105 (defgroup gnus-article-mime nil
106 "Worshiping the MIME wonder."
107 :link '(custom-manual "(gnus)Using MIME")
108 :group 'gnus-article)
110 (defgroup gnus-article-buttons nil
111 "Pushable buttons in the article buffer."
112 :link '(custom-manual "(gnus)Article Buttons")
113 :group 'gnus-article)
115 (defgroup gnus-article-various nil
116 "Other article options."
117 :link '(custom-manual "(gnus)Misc Article")
118 :group 'gnus-article)
120 (defcustom gnus-ignored-headers
123 (concat "^" header ":"))
124 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
125 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
126 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
127 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
128 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
129 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
130 "X-Attribution" "X-Originating-IP" "Delivered-To"
131 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
132 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
133 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
134 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
135 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
136 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
137 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
138 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
139 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
140 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
141 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
142 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
143 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
144 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
145 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
146 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
147 "List-[A-Za-z]+" "X-Listprocessor-Version"
148 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
149 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
150 "X-Received" "Content-length" "X-precedence"
151 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
152 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
153 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
154 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
155 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
156 "X-Content-length" "X-Posting-Agent" "Original-Received"
157 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
158 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
159 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
160 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
161 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"
162 "Envelope-To" "X-Spam-Score" "System-Type" "X-Injected-Via-Gmane"
163 "X-Gmane-NNTP-Posting-Host" "Jabber-ID" "Archived-At"
164 "Envelope-Sender" "Envelope-Recipients"))
165 "*All headers that start with this regexp will be hidden.
166 This variable can also be a list of regexps of headers to be ignored.
167 If `gnus-visible-headers' is non-nil, this variable will be ignored."
168 :type '(choice :custom-show nil
171 :group 'gnus-article-hiding)
173 (defcustom gnus-visible-headers
174 "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
175 "*All headers that do not match this regexp will be hidden.
176 This variable can also be a list of regexp of headers to remain visible.
177 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
178 :type '(repeat :value-to-internal (lambda (widget value)
179 (custom-split-regexp-maybe value))
180 :match (lambda (widget value)
182 (widget-editable-list-match widget value)))
184 :group 'gnus-article-hiding)
186 (defcustom gnus-sorted-header-list
187 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
188 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
189 "*This variable is a list of regular expressions.
190 If it is non-nil, headers that match the regular expressions will
191 be placed first in the article buffer in the sequence specified by
193 :type '(repeat regexp)
194 :group 'gnus-article-hiding)
196 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
197 "Headers that are only to be displayed if they have interesting data.
198 Possible values in this list are:
200 'empty Headers with no content.
201 'newsgroups Newsgroup identical to Gnus group.
202 'to-address To identical to To-address.
203 'to-list To identical to To-list.
204 'cc-list CC identical to To-list.
205 'followup-to Followup-to identical to Newsgroups.
206 'reply-to Reply-to identical to From.
207 'date Date less than four days old.
208 'long-to To and/or Cc longer than 1024 characters.
209 'many-to Multiple To and/or Cc."
210 :type '(set (const :tag "Headers with no content." empty)
211 (const :tag "Newsgroups identical to Gnus group." newsgroups)
212 (const :tag "To identical to To-address." to-address)
213 (const :tag "To identical to To-list." to-list)
214 (const :tag "CC identical to To-list." cc-list)
215 (const :tag "Followup-to identical to Newsgroups." followup-to)
216 (const :tag "Reply-to identical to From." reply-to)
217 (const :tag "Date less than four days old." date)
218 (const :tag "To and/or Cc longer than 1024 characters." long-to)
219 (const :tag "Multiple To and/or Cc headers." many-to))
220 :group 'gnus-article-hiding)
222 (defcustom gnus-article-skip-boring nil
223 "Skip over text that is not worth reading.
224 By default, if you set this t, then Gnus will display citations and
225 signatures, but will never scroll down to show you a page consisting
226 only of boring text. Boring text is controlled by
227 `gnus-article-boring-faces'."
230 :group 'gnus-article-hiding)
232 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
233 "Regexp matching signature separator.
234 This can also be a list of regexps. In that case, it will be checked
235 from head to tail looking for a separator. Searches will be done from
236 the end of the buffer."
237 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
239 (repeat :tag "List of regexp" regexp))
240 :group 'gnus-article-signature)
242 (defcustom gnus-signature-limit nil
243 "Provide a limit to what is considered a signature.
244 If it is a number, no signature may not be longer (in characters) than
245 that number. If it is a floating point number, no signature may be
246 longer (in lines) than that number. If it is a function, the function
247 will be called without any parameters, and if it returns nil, there is
248 no signature in the buffer. If it is a string, it will be used as a
249 regexp. If it matches, the text in question is not a signature.
251 This can also be a list of the above values."
252 :type '(choice (const nil)
256 (regexp :value ".*"))
257 :group 'gnus-article-signature)
259 (defcustom gnus-hidden-properties '(invisible t intangible t)
260 "Property list to use for hiding text."
262 :group 'gnus-article-hiding)
264 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
265 ;; frames in a session.
266 (defcustom gnus-article-x-face-command
267 (if (featurep 'xemacs)
268 (if (or (gnus-image-type-available-p 'xface)
269 (gnus-image-type-available-p 'pbm))
270 'gnus-display-x-face-in-from
271 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
272 (if (gnus-image-type-available-p 'pbm)
273 'gnus-display-x-face-in-from
274 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
276 "*String or function to be executed to display an X-Face header.
277 If it is a string, the command will be executed in a sub-shell
278 asynchronously. The compressed face will be piped to this command."
279 :type `(choice string
280 (function-item gnus-display-x-face-in-from)
284 :group 'gnus-article-washing)
286 (defcustom gnus-article-x-face-too-ugly nil
287 "Regexp matching posters whose face shouldn't be shown automatically."
288 :type '(choice regexp (const nil))
289 :group 'gnus-article-washing)
291 (defcustom gnus-article-banner-alist nil
292 "Banner alist for stripping.
294 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
296 :type '(repeat (cons symbol regexp))
297 :group 'gnus-article-washing)
299 (gnus-define-group-parameter
302 "Alist of regexps (to match group names) and banner."
303 :variable-group gnus-article-washing
305 '(choice :tag "Banner"
307 (const :tag "Remove signature" signature)
308 (symbol :tag "Item in `gnus-article-banner-alist'" none)
310 (const :tag "None" nil))
312 "If non-nil, specify how to remove `banners' from articles.
314 Symbol `signature' means to remove signatures delimited by
315 `gnus-signature-separator'. Any other symbol is used to look up a
316 regular expression to match the banner in `gnus-article-banner-alist'.
317 A string is used as a regular expression to match the banner
320 (defcustom gnus-article-address-banner-alist nil
321 "Alist of mail addresses and banners.
322 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
323 to match a mail address in the From: header, BANNER is one of a symbol
324 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
325 If ADDRESS matches author's mail address, it will remove things like
326 advertisements. For example:
328 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
332 (regexp :tag "Address")
333 (choice :tag "Banner" :value nil
334 (const :tag "Remove signature" signature)
335 (symbol :tag "Item in `gnus-article-banner-alist'" none)
337 (const :tag "None" nil))))
339 :group 'gnus-article-washing)
341 (defmacro gnus-emphasis-custom-with-format (&rest body)
343 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
344 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
347 (defun gnus-emphasis-custom-value-to-external (value)
348 (gnus-emphasis-custom-with-format
349 (if (consp (car value))
350 (list (format format (car (car value)) (cdr (car value)))
352 (if (nth 1 value) 2 3)
356 (defun gnus-emphasis-custom-value-to-internal (value)
357 (gnus-emphasis-custom-with-format
358 (let ((regexp (concat "\\`"
359 (format (regexp-quote format)
360 "\\([^()]+\\)" "\\([^()]+\\)")
363 (if (string-match regexp (setq pattern (car value)))
364 (list (cons (match-string 1 pattern) (match-string 2 pattern))
369 (defcustom gnus-emphasis-alist
371 '(("\\*" "\\*" bold nil 2)
374 ("_/" "/_" underline-italic)
375 ("_\\*" "\\*_" underline-bold)
376 ("\\*/" "/\\*" bold-italic)
377 ("_\\*/" "/\\*_" underline-bold-italic))))
379 (gnus-emphasis-custom-with-format
380 (mapcar (lambda (spec)
381 (list (format format (car spec) (cadr spec))
384 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
386 '(;; I've never seen anyone use this strikethru convention whereas I've
387 ;; several times seen it triggered by normal text. --Stef
388 ;; Miles suggests that this form is sometimes used but for italics,
389 ;; so maybe we should map it to `italic'.
390 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
391 ;; 2 3 gnus-emphasis-strikethru)
392 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
393 2 3 gnus-emphasis-underline))))
394 "*Alist that says how to fontify certain phrases.
395 Each item looks like this:
397 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
399 The first element is a regular expression to be matched. The second
400 is a number that says what regular expression grouping used to find
401 the entire emphasized word. The third is a number that says what
402 regexp grouping should be displayed and highlighted. The fourth
403 is the face used for highlighting."
407 :format "%[Customizing Style%]\n%v"
409 (group :tag "Default"
410 :value ("" 0 0 default)
413 (let ((value (widget-get
414 (cadr (widget-get (widget-get widget :parent)
417 (if (not (eq (nth 2 value) 'default))
421 (gnus-emphasis-custom-value-to-external value))))
422 (widget-group-value-create widget))
424 (integer :format "Match group: %v")
425 (integer :format "Emphasize group: %v")
428 :value (("_" . "_") nil default)
430 (regexp :format "Start regexp: %v")
431 (regexp :format "End regexp: %v"))
432 (boolean :format "Show start and end patterns: %[%v%]\n"
433 :on " On " :off " Off ")
435 :get (lambda (symbol)
436 (mapcar 'gnus-emphasis-custom-value-to-internal
437 (default-value symbol)))
438 :set (lambda (symbol value)
439 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
441 :group 'gnus-article-emphasis)
443 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
444 "A regexp to describe whitespace which should not be emphasized.
445 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
446 The former avoids underlining of leading and trailing whitespace,
447 and the latter avoids underlining any whitespace at all."
449 :group 'gnus-article-emphasis
452 (defface gnus-emphasis-bold '((t (:bold t)))
453 "Face used for displaying strong emphasized text (*word*)."
454 :group 'gnus-article-emphasis)
456 (defface gnus-emphasis-italic '((t (:italic t)))
457 "Face used for displaying italic emphasized text (/word/)."
458 :group 'gnus-article-emphasis)
460 (defface gnus-emphasis-underline '((t (:underline t)))
461 "Face used for displaying underlined emphasized text (_word_)."
462 :group 'gnus-article-emphasis)
464 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
465 "Face used for displaying underlined bold emphasized text (_*word*_)."
466 :group 'gnus-article-emphasis)
468 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
469 "Face used for displaying underlined italic emphasized text (_/word/_)."
470 :group 'gnus-article-emphasis)
472 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
473 "Face used for displaying bold italic emphasized text (/*word*/)."
474 :group 'gnus-article-emphasis)
476 (defface gnus-emphasis-underline-bold-italic
477 '((t (:bold t :italic t :underline t)))
478 "Face used for displaying underlined bold italic emphasized text.
479 Example: (_/*word*/_)."
480 :group 'gnus-article-emphasis)
482 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
483 '((t (:strikethru t)))
484 '((t (:strike-through t))))
485 "Face used for displaying strike-through text (-word-)."
486 :group 'gnus-article-emphasis)
488 (defface gnus-emphasis-highlight-words
489 '((t (:background "black" :foreground "yellow")))
490 "Face used for displaying highlighted words."
491 :group 'gnus-article-emphasis)
493 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
494 "Format for display of Date headers in article bodies.
495 See `format-time-string' for the possible values.
497 The variable can also be function, which should return a complete Date
498 header. The function is called with one argument, the time, which can
499 be fed to `format-time-string'."
500 :type '(choice string function)
501 :link '(custom-manual "(gnus)Article Date")
502 :group 'gnus-article-washing)
504 (defcustom gnus-save-all-headers t
505 "*If non-nil, don't remove any headers before saving.
506 This will be overridden by the `:headers' property that the symbol of
507 the saver function, which is specified by `gnus-default-article-saver',
509 :group 'gnus-article-saving
512 (defcustom gnus-prompt-before-saving 'always
513 "*This variable says how much prompting is to be done when saving articles.
514 If it is nil, no prompting will be done, and the articles will be
515 saved to the default files. If this variable is `always', each and
516 every article that is saved will be preceded by a prompt, even when
517 saving large batches of articles. If this variable is neither nil not
518 `always', there the user will be prompted once for a file name for
519 each invocation of the saving commands."
520 :group 'gnus-article-saving
521 :type '(choice (item always)
522 (item :tag "never" nil)
523 (sexp :tag "once" :format "%t\n" :value t)))
525 (defcustom gnus-saved-headers gnus-visible-headers
526 "Headers to keep if `gnus-save-all-headers' is nil.
527 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
528 If that variable is nil, however, all headers that match this regexp
529 will be kept while the rest will be deleted before saving. This and
530 `gnus-save-all-headers' will be overridden by the `:headers' property
531 that the symbol of the saver function, which is specified by
532 `gnus-default-article-saver', might have."
533 :group 'gnus-article-saving
536 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
537 "A function to save articles in your favourite format.
538 The function will be called by way of the `gnus-summary-save-article'
539 command, and friends such as `gnus-summary-save-article-rmail'.
541 Gnus provides the following functions:
543 * gnus-summary-save-in-rmail (Rmail format)
544 * gnus-summary-save-in-mail (Unix mail format)
545 * gnus-summary-save-in-folder (MH folder)
546 * gnus-summary-save-in-file (article format)
547 * gnus-summary-save-body-in-file (article body)
548 * gnus-summary-save-in-vm (use VM's folder format)
549 * gnus-summary-write-to-file (article format -- overwrite)
550 * gnus-summary-write-body-to-file (article body -- overwrite)
552 The symbol of each function may have the following properties:
555 The value non-nil means save decoded articles. This is meaningful
556 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
557 `gnus-summary-write-to-file', and `gnus-summary-write-body-to-file'.
560 The value specifies an alternative function which appends, not
561 overwrites, articles to a file. This implies that when saving many
562 articles at a time, `gnus-prompt-before-saving' is bound to t and all
563 articles are saved in a single file. This is meaningful only with
564 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
567 The value specifies the symbol of a variable of which the value
568 specifies headers to be saved. If it is omitted,
569 `gnus-save-all-headers' and `gnus-saved-headers' control what
570 headers should be saved."
571 :group 'gnus-article-saving
572 :type '(radio (function-item gnus-summary-save-in-rmail)
573 (function-item gnus-summary-save-in-mail)
574 (function-item gnus-summary-save-in-folder)
575 (function-item gnus-summary-save-in-file)
576 (function-item gnus-summary-save-body-in-file)
577 (function-item gnus-summary-save-in-vm)
578 (function-item gnus-summary-write-to-file)
579 (function-item gnus-summary-write-body-to-file)
582 (defcustom gnus-article-save-coding-system
583 (or (and (mm-coding-system-p 'utf-8) 'utf-8)
584 (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit)
585 (and (mm-coding-system-p 'emacs-mule) 'emacs-mule)
586 (and (mm-coding-system-p 'escape-quoted) 'escape-quoted))
587 "Coding system used to save decoded articles to a file.
589 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
590 which can safely encode any characters in text. This is used by the
593 * gnus-summary-save-article-file
594 * gnus-summary-save-article-body-file
595 * gnus-summary-write-article-file
596 * gnus-summary-write-article-body-file
598 and the functions to which you may set `gnus-default-article-saver':
600 * gnus-summary-save-in-file
601 * gnus-summary-save-body-in-file
602 * gnus-summary-write-to-file
603 * gnus-summary-write-body-to-file
605 Those commands and functions save just text displayed in the article
606 buffer to a file if the value of this variable is non-nil. Note that
607 buttonized MIME parts will be lost in a saved file in that case.
608 Otherwise, raw articles will be saved."
609 :group 'gnus-article-saving
611 :format "%{%t%}:\n %[Value Menu%] %v"
612 (const :tag "Save raw articles" nil)
615 (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg))
616 '((const :tag "UTF-8" utf-8)
617 (const :tag "iso-2022-7bit" iso-2022-7bit)
618 (const :tag "Emacs internal" emacs-mule)
619 (const :tag "escape-quoted" escape-quoted))))
620 (symbol :tag "Coding system")))
622 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
623 "A function generating a file name to save articles in Rmail format.
624 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
625 :group 'gnus-article-saving
628 (defcustom gnus-mail-save-name 'gnus-plain-save-name
629 "A function generating a file name to save articles in Unix mail format.
630 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
631 :group 'gnus-article-saving
634 (defcustom gnus-folder-save-name 'gnus-folder-save-name
635 "A function generating a file name to save articles in MH folder.
636 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
637 :group 'gnus-article-saving
640 (defcustom gnus-file-save-name 'gnus-numeric-save-name
641 "A function generating a file name to save articles in article format.
642 The function is called with NEWSGROUP, HEADERS, and optional
644 :group 'gnus-article-saving
647 (defcustom gnus-split-methods
648 '((gnus-article-archive-name)
649 (gnus-article-nndoc-name))
650 "*Variable used to suggest where articles are to be saved.
651 For instance, if you would like to save articles related to Gnus in
652 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
653 you could set this variable to something like:
655 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
656 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
658 This variable is an alist where the key is the match and the
659 value is a list of possible files to save in if the match is
662 If the match is a string, it is used as a regexp match on the
663 article. If the match is a symbol, that symbol will be funcalled
664 from the buffer of the article to be saved with the newsgroup as the
665 parameter. If it is a list, it will be evaled in the same buffer.
667 If this form or function returns a string, this string will be used as a
668 possible file name; and if it returns a non-nil list, that list will be
669 used as possible file names."
670 :group 'gnus-article-saving
671 :type '(repeat (choice (list :value (fun) function)
672 (cons :value ("" "") regexp (repeat string))
675 (defcustom gnus-page-delimiter "^\^L"
676 "*Regexp describing what to use as article page delimiters.
677 The default value is \"^\^L\", which is a form linefeed at the
678 beginning of a line."
680 :group 'gnus-article-various)
682 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
683 "*The format specification for the article mode line.
684 See `gnus-summary-mode-line-format' for a closer description.
686 The following additional specs are available:
688 %w The article washing status.
689 %m The number of MIME parts in the article."
691 :group 'gnus-article-various)
693 (defcustom gnus-article-mode-hook nil
694 "*A hook for Gnus article mode."
696 :group 'gnus-article-various)
698 (when (featurep 'xemacs)
699 ;; Extracted from gnus-xmas-define in order to preserve user settings
700 (when (fboundp 'turn-off-scroll-in-place)
701 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
702 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
703 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
705 (defcustom gnus-article-menu-hook nil
706 "*Hook run after the creation of the article mode menu."
708 :group 'gnus-article-various)
710 (defcustom gnus-article-prepare-hook nil
711 "*A hook called after an article has been prepared in the article buffer."
713 :group 'gnus-article-various)
715 (defcustom gnus-copy-article-ignored-headers nil
716 "List of headers to be removed when copying an article.
717 Each element is a regular expression."
718 :version "23.0" ;; No Gnus
719 :type '(repeat regexp)
720 :group 'gnus-article-various)
722 (make-obsolete-variable 'gnus-article-hide-pgp-hook
723 "This variable is obsolete in Gnus 5.10.")
726 '((t (:weight bold)))
727 "Face used for highlighting a button in the article buffer."
728 :group 'gnus-article-buttons)
730 (defcustom gnus-article-button-face 'gnus-button
731 "Face used for highlighting buttons in the article buffer.
733 An article button is a piece of text that you can activate by pressing
734 `RET' or `mouse-2' above it."
736 :group 'gnus-article-buttons)
738 (defcustom gnus-article-mouse-face 'highlight
739 "Face used for mouse highlighting in the article buffer.
741 Article buttons will be displayed in this face when the cursor is
744 :group 'gnus-article-buttons)
746 (defcustom gnus-signature-face 'gnus-signature
747 "Face used for highlighting a signature in the article buffer.
748 Obsolete; use the face `gnus-signature' for customizations instead."
750 :group 'gnus-article-highlight
751 :group 'gnus-article-signature)
753 (defface gnus-signature
756 "Face used for highlighting a signature in the article buffer."
757 :group 'gnus-article-highlight
758 :group 'gnus-article-signature)
759 ;; backward-compatibility alias
760 (put 'gnus-signature-face 'face-alias 'gnus-signature)
762 (defface gnus-header-from
765 (:foreground "PaleGreen1"))
768 (:foreground "red3"))
771 "Face used for displaying from headers."
772 :group 'gnus-article-headers
773 :group 'gnus-article-highlight)
774 ;; backward-compatibility alias
775 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
777 (defface gnus-header-subject
780 (:foreground "SeaGreen1"))
783 (:foreground "red4"))
785 (:bold t :italic t)))
786 "Face used for displaying subject headers."
787 :group 'gnus-article-headers
788 :group 'gnus-article-highlight)
789 ;; backward-compatibility alias
790 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
792 (defface gnus-header-newsgroups
795 (:foreground "yellow" :italic t))
798 (:foreground "MidnightBlue" :italic t))
801 "Face used for displaying newsgroups headers.
802 In the default setup this face is only used for crossposted
804 :group 'gnus-article-headers
805 :group 'gnus-article-highlight)
806 ;; backward-compatibility alias
807 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
809 (defface gnus-header-name
812 (:foreground "SpringGreen2"))
815 (:foreground "maroon"))
818 "Face used for displaying header names."
819 :group 'gnus-article-headers
820 :group 'gnus-article-highlight)
821 ;; backward-compatibility alias
822 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
824 (defface gnus-header-content
827 (:foreground "SpringGreen1" :italic t))
830 (:foreground "indianred4" :italic t))
832 (:italic t))) "Face used for displaying header content."
833 :group 'gnus-article-headers
834 :group 'gnus-article-highlight)
835 ;; backward-compatibility alias
836 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
838 (defcustom gnus-header-face-alist
839 '(("From" nil gnus-header-from)
840 ("Subject" nil gnus-header-subject)
841 ("Newsgroups:.*," nil gnus-header-newsgroups)
842 ("" gnus-header-name gnus-header-content))
843 "*Controls highlighting of article headers.
845 An alist of the form (HEADER NAME CONTENT).
847 HEADER is a regular expression which should match the name of a
848 header and NAME and CONTENT are either face names or nil.
850 The name of each header field will be displayed using the face
851 specified by the first element in the list where HEADER matches
852 the header name and NAME is non-nil. Similarly, the content will
853 be displayed by the first non-nil matching CONTENT face."
854 :group 'gnus-article-headers
855 :group 'gnus-article-highlight
856 :type '(repeat (list (regexp :tag "Header")
858 (item :tag "skip" nil)
859 (face :value default))
860 (choice :tag "Content"
861 (item :tag "skip" nil)
862 (face :value default)))))
864 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
865 '((xface . (:face gnus-x-face)))
866 '((pbm . (:face gnus-x-face))
868 "Alist of image types and properties applied to Face and X-Face images.
871 ;; Specify the altitude of Face images in the From header.
872 \(setq gnus-face-properties-alist
873 '((pbm . (:face gnus-x-face :ascent 80))
874 (png . (:ascent 80))))
876 ;; Show Face images as pressed buttons.
877 \(setq gnus-face-properties-alist
878 '((pbm . (:face gnus-x-face :relief -2))
879 (png . (:relief -2))))
881 See the manual for the valid properties for various image types.
882 Currently, `pbm' is used for X-Face images and `png' is used for Face
883 images in Emacs. Only the `:face' property is effective on the `xface'
884 image type in XEmacs if it is built with the libcompface library."
885 :version "23.0" ;; No Gnus
886 :group 'gnus-article-headers
887 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
889 (defcustom gnus-article-decode-hook
890 '(article-decode-charset article-decode-encoded-words
891 article-decode-group-name article-decode-idna-rhs)
892 "*Hook run to decode charsets in articles."
893 :group 'gnus-article-headers
896 (defcustom gnus-display-mime-function 'gnus-display-mime
897 "Function to display MIME articles."
898 :group 'gnus-article-mime
901 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
902 "Function used to decode headers.")
904 (defvar gnus-decode-address-function 'mail-decode-encoded-address-region
905 "Function used to decode addresses.")
907 (defvar gnus-article-dumbquotes-map
927 "Table for MS-to-Latin1 translation.")
929 (defcustom gnus-ignored-mime-types nil
930 "List of MIME types that should be ignored by Gnus."
932 :group 'gnus-article-mime
933 :type '(repeat regexp))
935 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
936 "List of MIME types that should not be given buttons when rendered inline.
937 See also `gnus-buttonized-mime-types' which may override this variable.
938 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
940 :group 'gnus-article-mime
941 :type '(repeat regexp))
943 (defcustom gnus-buttonized-mime-types nil
944 "List of MIME types that should be given buttons when rendered inline.
945 If set, this variable overrides `gnus-unbuttonized-mime-types'.
946 To see e.g. security buttons you could set this to
947 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
948 this list to display radio buttons that allow you to choose one of two
949 media types those mails include. See also `mm-discouraged-alternatives'.
950 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
952 :group 'gnus-article-mime
953 :type '(repeat regexp))
955 (defcustom gnus-inhibit-mime-unbuttonizing nil
956 "If non-nil, all MIME parts get buttons.
957 When nil (the default value), then some MIME parts do not get buttons,
958 as described by the variables `gnus-buttonized-mime-types' and
959 `gnus-unbuttonized-mime-types'."
961 :group 'gnus-article-mime
964 (defcustom gnus-body-boundary-delimiter "_"
965 "String used to delimit header and body.
966 This variable is used by `gnus-article-treat-body-boundary' which can
967 be controlled by `gnus-treat-body-boundary'."
969 :group 'gnus-article-various
970 :type '(choice (item :tag "None" :value nil)
973 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
975 "Defines the location of the faces database.
976 For information on obtaining this database of pretty pictures, please
977 see http://www.cs.indiana.edu/picons/ftp/index.html"
979 :type '(repeat directory)
980 :link '(url-link :tag "download"
981 "http://www.cs.indiana.edu/picons/ftp/index.html")
982 :link '(custom-manual "(gnus)Picons")
985 (defun gnus-picons-installed-p ()
986 "Say whether picons are installed on your machine."
987 (let ((installed nil))
988 (dolist (database gnus-picon-databases)
989 (when (file-exists-p database)
993 (defcustom gnus-article-mime-part-function nil
994 "Function called with a MIME handle as the argument.
995 This is meant for people who want to do something automatic based
996 on parts -- for instance, adding Vcard info to a database."
997 :group 'gnus-article-mime
998 :type '(choice (const nil)
1001 (defcustom gnus-mime-multipart-functions nil
1002 "An alist of MIME types to functions to display them."
1004 :group 'gnus-article-mime
1005 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
1007 (defcustom gnus-article-date-lapsed-new-header nil
1008 "Whether the X-Sent and Date headers can coexist.
1009 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
1010 either replace the old \"Date:\" header (if this variable is nil), or
1011 be added below it (otherwise)."
1013 :group 'gnus-article-headers
1016 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
1017 "Function called with a MIME handle as the argument.
1018 This is meant for people who want to view first matched part.
1019 For `undisplayed-alternative' (default), the first undisplayed
1020 part or alternative part is used. For `undisplayed', the first
1021 undisplayed part is used. For a function, the first part which
1022 the function return t is used. For nil, the first part is
1025 :group 'gnus-article-mime
1027 (item :tag "first" :value nil)
1028 (item :tag "undisplayed" :value undisplayed)
1029 (item :tag "undisplayed or alternative"
1030 :value undisplayed-alternative)
1033 (defcustom gnus-mime-action-alist
1034 '(("save to file" . gnus-mime-save-part)
1035 ("save and strip" . gnus-mime-save-part-and-strip)
1036 ("replace with file" . gnus-mime-replace-part)
1037 ("delete part" . gnus-mime-delete-part)
1038 ("display as text" . gnus-mime-inline-part)
1039 ("view the part" . gnus-mime-view-part)
1040 ("pipe to command" . gnus-mime-pipe-part)
1041 ("toggle display" . gnus-article-press-button)
1042 ("toggle display" . gnus-article-view-part-as-charset)
1043 ("view as type" . gnus-mime-view-part-as-type)
1044 ("view internally" . gnus-mime-view-part-internally)
1045 ("view externally" . gnus-mime-view-part-externally))
1046 "An alist of actions that run on the MIME attachment."
1047 :group 'gnus-article-mime
1048 :type '(repeat (cons (string :tag "name")
1051 (defcustom gnus-auto-select-part 1
1052 "Advance to next MIME part when deleting or stripping parts.
1054 When 0, point will be placed on the same part as before. When
1055 positive (negative), move point forward (backwards) this many
1056 parts. When nil, redisplay article."
1057 :version "23.0" ;; No Gnus
1058 :group 'gnus-article-mime
1059 :type '(choice (const nil :tag "Redisplay article.")
1060 (const 1 :tag "Next part.")
1061 (const 0 :tag "Current part.")
1065 ;;; The treatment variables
1068 (defvar gnus-part-display-hook nil
1069 "Hook called on parts that are to receive treatment.")
1071 (defvar gnus-article-treat-custom
1072 '(choice (const :tag "Off" nil)
1074 (const :tag "Header" head)
1075 (const :tag "First" first)
1076 (const :tag "Last" last)
1077 (integer :tag "Less")
1078 (repeat :tag "Groups" regexp)
1079 (sexp :tag "Predicate")))
1081 (defvar gnus-article-treat-head-custom
1082 '(choice (const :tag "Off" nil)
1083 (const :tag "Header" head)))
1085 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1089 (defvar gnus-inhibit-treatment nil
1090 "Whether to inhibit treatment.")
1092 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1093 "Highlight the signature.
1094 Valid values are nil, t, `head', `first', `last', an integer or a
1095 predicate. See Info node `(gnus)Customizing Articles'."
1096 :group 'gnus-article-treat
1097 :link '(custom-manual "(gnus)Customizing Articles")
1098 :type gnus-article-treat-custom)
1099 (put 'gnus-treat-highlight-signature 'highlight t)
1101 (defcustom gnus-treat-buttonize 100000
1103 Valid values are nil, t, `head', `first', `last', an integer or a
1104 predicate. See Info node `(gnus)Customizing Articles'."
1105 :group 'gnus-article-treat
1106 :link '(custom-manual "(gnus)Customizing Articles")
1107 :type gnus-article-treat-custom)
1108 (put 'gnus-treat-buttonize 'highlight t)
1110 (defcustom gnus-treat-buttonize-head 'head
1111 "Add buttons to the head.
1112 Valid values are nil, t, `head', `first', `last', an integer or a
1113 predicate. See Info node `(gnus)Customizing Articles'."
1114 :group 'gnus-article-treat
1115 :link '(custom-manual "(gnus)Customizing Articles")
1116 :type gnus-article-treat-head-custom)
1117 (put 'gnus-treat-buttonize-head 'highlight t)
1119 (defcustom gnus-treat-emphasize 50000
1121 Valid values are nil, t, `head', `first', `last', an integer or a
1122 predicate. See Info node `(gnus)Customizing Articles'."
1123 :group 'gnus-article-treat
1124 :link '(custom-manual "(gnus)Customizing Articles")
1125 :type gnus-article-treat-custom)
1126 (put 'gnus-treat-emphasize 'highlight t)
1128 (defcustom gnus-treat-strip-cr nil
1129 "Remove carriage returns.
1130 Valid values are nil, t, `head', `first', `last', an integer or a
1131 predicate. See Info node `(gnus)Customizing Articles'."
1133 :group 'gnus-article-treat
1134 :link '(custom-manual "(gnus)Customizing Articles")
1135 :type gnus-article-treat-custom)
1137 (defcustom gnus-treat-unsplit-urls nil
1138 "Remove newlines from within URLs.
1139 Valid values are nil, t, `head', `first', `last', an integer or a
1140 predicate. See Info node `(gnus)Customizing Articles'."
1142 :group 'gnus-article-treat
1143 :link '(custom-manual "(gnus)Customizing Articles")
1144 :type gnus-article-treat-custom)
1146 (defcustom gnus-treat-leading-whitespace nil
1147 "Remove leading whitespace in headers.
1148 Valid values are nil, t, `head', `first', `last', an integer or a
1149 predicate. See Info node `(gnus)Customizing Articles'."
1151 :group 'gnus-article-treat
1152 :link '(custom-manual "(gnus)Customizing Articles")
1153 :type gnus-article-treat-custom)
1155 (defcustom gnus-treat-hide-headers 'head
1157 Valid values are nil, t, `head', `first', `last', an integer or a
1158 predicate. See Info node `(gnus)Customizing Articles'."
1159 :group 'gnus-article-treat
1160 :link '(custom-manual "(gnus)Customizing Articles")
1161 :type gnus-article-treat-head-custom)
1163 (defcustom gnus-treat-hide-boring-headers nil
1164 "Hide boring headers.
1165 Valid values are nil, t, `head', `first', `last', an integer or a
1166 predicate. See Info node `(gnus)Customizing Articles'."
1167 :group 'gnus-article-treat
1168 :link '(custom-manual "(gnus)Customizing Articles")
1169 :type gnus-article-treat-head-custom)
1171 (defcustom gnus-treat-hide-signature nil
1172 "Hide the signature.
1173 Valid values are nil, t, `head', `first', `last', an integer or a
1174 predicate. See Info node `(gnus)Customizing Articles'."
1175 :group 'gnus-article-treat
1176 :link '(custom-manual "(gnus)Customizing Articles")
1177 :type gnus-article-treat-custom)
1179 (defcustom gnus-treat-fill-article nil
1181 Valid values are nil, t, `head', `first', `last', an integer or a
1182 predicate. See Info node `(gnus)Customizing Articles'."
1183 :group 'gnus-article-treat
1184 :link '(custom-manual "(gnus)Customizing Articles")
1185 :type gnus-article-treat-custom)
1187 (defcustom gnus-treat-hide-citation nil
1189 Valid values are nil, t, `head', `first', `last', an integer or a
1190 predicate. See Info node `(gnus)Customizing Articles'."
1191 :group 'gnus-article-treat
1192 :link '(custom-manual "(gnus)Customizing Articles")
1193 :type gnus-article-treat-custom)
1195 (defcustom gnus-treat-hide-citation-maybe nil
1197 Valid values are nil, t, `head', `first', `last', an integer or a
1198 predicate. See Info node `(gnus)Customizing Articles'."
1199 :group 'gnus-article-treat
1200 :link '(custom-manual "(gnus)Customizing Articles")
1201 :type gnus-article-treat-custom)
1203 (defcustom gnus-treat-strip-list-identifiers 'head
1204 "Strip list identifiers from `gnus-list-identifiers`.
1205 Valid values are nil, t, `head', `first', `last', an integer or a
1206 predicate. See Info node `(gnus)Customizing Articles'."
1208 :group 'gnus-article-treat
1209 :link '(custom-manual "(gnus)Customizing Articles")
1210 :type gnus-article-treat-custom)
1212 (make-obsolete-variable 'gnus-treat-strip-pgp
1213 "This option is obsolete in Gnus 5.10.")
1215 (defcustom gnus-treat-strip-pem nil
1216 "Strip PEM signatures.
1217 Valid values are nil, t, `head', `first', `last', an integer or a
1218 predicate. See Info node `(gnus)Customizing Articles'."
1219 :group 'gnus-article-treat
1220 :link '(custom-manual "(gnus)Customizing Articles")
1221 :type gnus-article-treat-custom)
1223 (defcustom gnus-treat-strip-banner t
1224 "Strip banners from articles.
1225 The banner to be stripped is specified in the `banner' group parameter.
1226 Valid values are nil, t, `head', `first', `last', an integer or a
1227 predicate. See Info node `(gnus)Customizing Articles'."
1228 :group 'gnus-article-treat
1229 :link '(custom-manual "(gnus)Customizing Articles")
1230 :type gnus-article-treat-custom)
1232 (defcustom gnus-treat-highlight-headers 'head
1233 "Highlight the headers.
1234 Valid values are nil, t, `head', `first', `last', an integer or a
1235 predicate. See Info node `(gnus)Customizing Articles'."
1236 :group 'gnus-article-treat
1237 :link '(custom-manual "(gnus)Customizing Articles")
1238 :type gnus-article-treat-head-custom)
1239 (put 'gnus-treat-highlight-headers 'highlight t)
1241 (defcustom gnus-treat-highlight-citation t
1242 "Highlight cited text.
1243 Valid values are nil, t, `head', `first', `last', an integer or a
1244 predicate. See Info node `(gnus)Customizing Articles'."
1245 :group 'gnus-article-treat
1246 :link '(custom-manual "(gnus)Customizing Articles")
1247 :type gnus-article-treat-custom)
1248 (put 'gnus-treat-highlight-citation 'highlight t)
1250 (defcustom gnus-treat-date-ut nil
1251 "Display the Date in UT (GMT).
1252 Valid values are nil, t, `head', `first', `last', an integer or a
1253 predicate. See Info node `(gnus)Customizing Articles'."
1254 :group 'gnus-article-treat
1255 :link '(custom-manual "(gnus)Customizing Articles")
1256 :type gnus-article-treat-head-custom)
1258 (defcustom gnus-treat-date-local nil
1259 "Display the Date in the local timezone.
1260 Valid values are nil, t, `head', `first', `last', an integer or a
1261 predicate. See Info node `(gnus)Customizing Articles'."
1262 :group 'gnus-article-treat
1263 :link '(custom-manual "(gnus)Customizing Articles")
1264 :type gnus-article-treat-head-custom)
1266 (defcustom gnus-treat-date-english nil
1267 "Display the Date in a format that can be read aloud in English.
1268 Valid values are nil, t, `head', `first', `last', an integer or a
1269 predicate. See Info node `(gnus)Customizing Articles'."
1271 :group 'gnus-article-treat
1272 :link '(custom-manual "(gnus)Customizing Articles")
1273 :type gnus-article-treat-head-custom)
1275 (defcustom gnus-treat-date-lapsed nil
1276 "Display the Date header in a way that says how much time has elapsed.
1277 Valid values are nil, t, `head', `first', `last', an integer or a
1278 predicate. See Info node `(gnus)Customizing Articles'."
1279 :group 'gnus-article-treat
1280 :link '(custom-manual "(gnus)Customizing Articles")
1281 :type gnus-article-treat-head-custom)
1283 (defcustom gnus-treat-date-original nil
1284 "Display the date in the original timezone.
1285 Valid values are nil, t, `head', `first', `last', an integer or a
1286 predicate. See Info node `(gnus)Customizing Articles'."
1287 :group 'gnus-article-treat
1288 :link '(custom-manual "(gnus)Customizing Articles")
1289 :type gnus-article-treat-head-custom)
1291 (defcustom gnus-treat-date-iso8601 nil
1292 "Display the date in the ISO8601 format.
1293 Valid values are nil, t, `head', `first', `last', an integer or a
1294 predicate. See Info node `(gnus)Customizing Articles'."
1296 :group 'gnus-article-treat
1297 :link '(custom-manual "(gnus)Customizing Articles")
1298 :type gnus-article-treat-head-custom)
1300 (defcustom gnus-treat-date-user-defined nil
1301 "Display the date in a user-defined format.
1302 The format is defined by the `gnus-article-time-format' variable.
1303 Valid values are nil, t, `head', `first', `last', an integer or a
1304 predicate. See Info node `(gnus)Customizing Articles'."
1305 :group 'gnus-article-treat
1306 :link '(custom-manual "(gnus)Customizing Articles")
1307 :type gnus-article-treat-head-custom)
1309 (defcustom gnus-treat-strip-headers-in-body t
1310 "Strip the X-No-Archive header line from the beginning of the body.
1311 Valid values are nil, t, `head', `first', `last', an integer or a
1312 predicate. See Info node `(gnus)Customizing Articles'."
1314 :group 'gnus-article-treat
1315 :link '(custom-manual "(gnus)Customizing Articles")
1316 :type gnus-article-treat-custom)
1318 (defcustom gnus-treat-strip-trailing-blank-lines nil
1319 "Strip trailing blank lines.
1320 Valid values are nil, t, `head', `first', `last', an integer or a
1321 predicate. See Info node `(gnus)Customizing Articles'.
1323 When set to t, it also strips trailing blanks in all MIME parts.
1324 Consider to use `last' instead."
1325 :group 'gnus-article-treat
1326 :link '(custom-manual "(gnus)Customizing Articles")
1327 :type gnus-article-treat-custom)
1329 (defcustom gnus-treat-strip-leading-blank-lines nil
1330 "Strip leading blank lines.
1331 Valid values are nil, t, `head', `first', `last', an integer or a
1332 predicate. See Info node `(gnus)Customizing Articles'.
1334 When set to t, it also strips trailing blanks in all MIME parts."
1335 :group 'gnus-article-treat
1336 :link '(custom-manual "(gnus)Customizing Articles")
1337 :type gnus-article-treat-custom)
1339 (defcustom gnus-treat-strip-multiple-blank-lines nil
1340 "Strip multiple blank lines.
1341 Valid values are nil, t, `head', `first', `last', an integer or a
1342 predicate. See Info node `(gnus)Customizing Articles'."
1343 :group 'gnus-article-treat
1344 :link '(custom-manual "(gnus)Customizing Articles")
1345 :type gnus-article-treat-custom)
1347 (defcustom gnus-treat-unfold-headers 'head
1348 "Unfold folded header lines.
1349 Valid values are nil, t, `head', `first', `last', an integer or a
1350 predicate. See Info node `(gnus)Customizing Articles'."
1352 :group 'gnus-article-treat
1353 :link '(custom-manual "(gnus)Customizing Articles")
1354 :type gnus-article-treat-custom)
1356 (defcustom gnus-article-unfold-long-headers nil
1357 "If non-nil, allow unfolding headers even if the header is long.
1358 If it is a regexp, only long headers matching this regexp are unfolded.
1359 If it is t, all long headers are unfolded.
1361 This variable has no effect if `gnus-treat-unfold-headers' is nil."
1362 :version "23.0" ;; No Gnus
1363 :group 'gnus-article-treat
1364 :type '(choice (const nil)
1365 (const :tag "all" t)
1368 (defcustom gnus-treat-fold-headers nil
1370 Valid values are nil, t, `head', `first', `last', an integer or a
1371 predicate. See Info node `(gnus)Customizing Articles'."
1373 :group 'gnus-article-treat
1374 :link '(custom-manual "(gnus)Customizing Articles")
1375 :type gnus-article-treat-custom)
1377 (defcustom gnus-treat-fold-newsgroups 'head
1378 "Fold the Newsgroups and Followup-To headers.
1379 Valid values are nil, t, `head', `first', `last', an integer or a
1380 predicate. See Info node `(gnus)Customizing Articles'."
1382 :group 'gnus-article-treat
1383 :link '(custom-manual "(gnus)Customizing Articles")
1384 :type gnus-article-treat-custom)
1386 (defcustom gnus-treat-overstrike t
1387 "Treat overstrike highlighting.
1388 Valid values are nil, t, `head', `first', `last', an integer or a
1389 predicate. See Info node `(gnus)Customizing Articles'."
1390 :group 'gnus-article-treat
1391 :link '(custom-manual "(gnus)Customizing Articles")
1392 :type gnus-article-treat-custom)
1393 (put 'gnus-treat-overstrike 'highlight t)
1395 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1396 "Treat ANSI SGR control sequences.
1397 Valid values are nil, t, `head', `first', `last', an integer or a
1398 predicate. See Info node `(gnus)Customizing Articles'."
1399 :group 'gnus-article-treat
1400 :link '(custom-manual "(gnus)Customizing Articles")
1401 :type gnus-article-treat-custom)
1403 (make-obsolete-variable 'gnus-treat-display-xface
1404 'gnus-treat-display-x-face)
1406 (defcustom gnus-treat-display-x-face
1407 (and (not noninteractive)
1408 (gnus-image-type-available-p 'xbm)
1409 (if (featurep 'xemacs)
1411 (and (string-match "^0x" (shell-command-to-string "uncompface"))
1412 (executable-find "icontopbm")))
1414 "Display X-Face headers.
1415 Valid values are nil and `head'.
1416 See Info node `(gnus)Customizing Articles' and Info node
1417 `(gnus)X-Face' for details."
1418 :group 'gnus-article-treat
1420 :link '(custom-manual "(gnus)Customizing Articles")
1421 :link '(custom-manual "(gnus)X-Face")
1422 :type gnus-article-treat-head-custom
1423 :set (lambda (symbol value)
1426 (cond ((or (boundp symbol) (get symbol 'saved-value))
1428 ((boundp 'gnus-treat-display-xface)
1430 ** gnus-treat-display-xface is an obsolete variable;\
1431 use gnus-treat-display-x-face instead")
1432 (default-value 'gnus-treat-display-xface))
1433 ((get 'gnus-treat-display-xface 'saved-value)
1435 ** gnus-treat-display-xface is an obsolete variable;\
1436 use gnus-treat-display-x-face instead")
1437 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1440 (put 'gnus-treat-display-x-face 'highlight t)
1442 (defcustom gnus-treat-display-face
1443 (and (not noninteractive)
1444 (gnus-image-type-available-p 'png)
1446 "Display Face headers.
1447 Valid values are nil, t, `head', `first', `last', an integer or a
1448 predicate. See Info node `(gnus)Customizing Articles' and Info
1449 node `(gnus)X-Face' for details."
1450 :group 'gnus-article-treat
1452 :link '(custom-manual "(gnus)Customizing Articles")
1453 :link '(custom-manual "(gnus)X-Face")
1454 :type gnus-article-treat-head-custom)
1455 (put 'gnus-treat-display-face 'highlight t)
1457 (defcustom gnus-treat-display-smileys (gnus-image-type-available-p 'xpm)
1459 Valid values are nil, t, `head', `first', `last', an integer or a
1460 predicate. See Info node `(gnus)Customizing Articles' and Info
1461 node `(gnus)Smileys' for details."
1462 :group 'gnus-article-treat
1464 :link '(custom-manual "(gnus)Customizing Articles")
1465 :link '(custom-manual "(gnus)Smileys")
1466 :type gnus-article-treat-custom)
1467 (put 'gnus-treat-display-smileys 'highlight t)
1469 (defcustom gnus-treat-from-picon
1470 (if (and (gnus-image-type-available-p 'xpm)
1471 (gnus-picons-installed-p))
1473 "Display picons in the From header.
1474 Valid values are nil, t, `head', `first', `last', an integer or a
1475 predicate. See Info node `(gnus)Customizing Articles' and Info
1476 node `(gnus)Picons' for details."
1478 :group 'gnus-article-treat
1480 :link '(custom-manual "(gnus)Customizing Articles")
1481 :link '(custom-manual "(gnus)Picons")
1482 :type gnus-article-treat-head-custom)
1483 (put 'gnus-treat-from-picon 'highlight t)
1485 (defcustom gnus-treat-mail-picon
1486 (if (and (gnus-image-type-available-p 'xpm)
1487 (gnus-picons-installed-p))
1489 "Display picons in To and Cc headers.
1490 Valid values are nil, t, `head', `first', `last', an integer or a
1491 predicate. See Info node `(gnus)Customizing Articles' and Info
1492 node `(gnus)Picons' for details."
1494 :group 'gnus-article-treat
1496 :link '(custom-manual "(gnus)Customizing Articles")
1497 :link '(custom-manual "(gnus)Picons")
1498 :type gnus-article-treat-head-custom)
1499 (put 'gnus-treat-mail-picon 'highlight t)
1501 (defcustom gnus-treat-newsgroups-picon
1502 (if (and (gnus-image-type-available-p 'xpm)
1503 (gnus-picons-installed-p))
1505 "Display picons in the Newsgroups and Followup-To headers.
1506 Valid values are nil, t, `head', `first', `last', an integer or a
1507 predicate. See Info node `(gnus)Customizing Articles' and Info
1508 node `(gnus)Picons' for details."
1510 :group 'gnus-article-treat
1512 :link '(custom-manual "(gnus)Customizing Articles")
1513 :link '(custom-manual "(gnus)Picons")
1514 :type gnus-article-treat-head-custom)
1515 (put 'gnus-treat-newsgroups-picon 'highlight t)
1517 (defcustom gnus-treat-body-boundary
1518 (if (or gnus-treat-newsgroups-picon
1519 gnus-treat-mail-picon
1520 gnus-treat-from-picon)
1521 ;; If there's much decoration, the user might prefer a boundery.
1524 "Draw a boundary at the end of the headers.
1525 Valid values are nil and `head'.
1526 See Info node `(gnus)Customizing Articles' for details."
1528 :group 'gnus-article-treat
1529 :link '(custom-manual "(gnus)Customizing Articles")
1530 :type gnus-article-treat-head-custom)
1532 (defcustom gnus-treat-capitalize-sentences nil
1533 "Capitalize sentence-starting words.
1534 Valid values are nil, t, `head', `first', `last', an integer or a
1535 predicate. See Info node `(gnus)Customizing Articles'."
1537 :group 'gnus-article-treat
1538 :link '(custom-manual "(gnus)Customizing Articles")
1539 :type gnus-article-treat-custom)
1541 (defcustom gnus-treat-wash-html nil
1543 Valid values are nil, t, `head', `first', `last', an integer or a
1544 predicate. See Info node `(gnus)Customizing Articles'."
1546 :group 'gnus-article-treat
1547 :link '(custom-manual "(gnus)Customizing Articles")
1548 :type gnus-article-treat-custom)
1550 (defcustom gnus-treat-fill-long-lines nil
1552 Valid values are nil, t, `head', `first', `last', an integer or a
1553 predicate. See Info node `(gnus)Customizing Articles'."
1554 :group 'gnus-article-treat
1555 :link '(custom-manual "(gnus)Customizing Articles")
1556 :type gnus-article-treat-custom)
1558 (defcustom gnus-treat-play-sounds nil
1560 Valid values are nil, t, `head', `first', `last', an integer or a
1561 predicate. See Info node `(gnus)Customizing Articles'."
1563 :group 'gnus-article-treat
1564 :link '(custom-manual "(gnus)Customizing Articles")
1565 :type gnus-article-treat-custom)
1567 (defcustom gnus-treat-translate nil
1568 "Translate articles from one language to another.
1569 Valid values are nil, t, `head', `first', `last', an integer or a
1570 predicate. See Info node `(gnus)Customizing Articles'."
1572 :group 'gnus-article-treat
1573 :link '(custom-manual "(gnus)Customizing Articles")
1574 :type gnus-article-treat-custom)
1576 (defcustom gnus-treat-x-pgp-sig nil
1578 To automatically treat X-PGP-Sig, set it to head.
1579 Valid values are nil, t, `head', `first', `last', an integer or a
1580 predicate. See Info node `(gnus)Customizing Articles'."
1582 :group 'gnus-article-treat
1583 :group 'mime-security
1584 :link '(custom-manual "(gnus)Customizing Articles")
1585 :type gnus-article-treat-custom)
1587 (defvar gnus-article-encrypt-protocol-alist
1588 '(("PGP" . mml2015-self-encrypt)))
1590 ;; Set to nil if more than one protocol added to
1591 ;; gnus-article-encrypt-protocol-alist.
1592 (defcustom gnus-article-encrypt-protocol "PGP"
1593 "The protocol used for encrypt articles.
1594 It is a string, such as \"PGP\". If nil, ask user."
1597 :group 'mime-security)
1599 (defvar gnus-article-wash-function nil
1600 "Function used for converting HTML into text.")
1602 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1603 (mm-coding-system-p 'utf-8)
1604 (executable-find idna-program))
1605 "Whether IDNA decoding of headers is used when viewing messages.
1606 This requires GNU Libidn, and by default only enabled if it is found."
1608 :group 'gnus-article-headers
1611 (defcustom gnus-article-over-scroll nil
1612 "If non-nil, allow scrolling the article buffer even when there no more text."
1614 :group 'gnus-article
1617 ;;; Internal variables
1619 (defvar gnus-english-month-names
1620 '("January" "February" "March" "April" "May" "June" "July" "August"
1621 "September" "October" "November" "December"))
1623 (defvar article-goto-body-goes-to-point-min-p nil)
1624 (defvar gnus-article-wash-types nil)
1625 (defvar gnus-article-emphasis-alist nil)
1626 (defvar gnus-article-image-alist nil)
1628 (defvar gnus-article-mime-handle-alist-1 nil)
1629 (defvar gnus-treatment-function-alist
1630 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1631 (gnus-treat-strip-banner gnus-article-strip-banner)
1632 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1633 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1634 (gnus-treat-buttonize gnus-article-add-buttons)
1635 (gnus-treat-fill-article gnus-article-fill-cited-article)
1636 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1637 (gnus-treat-strip-cr gnus-article-remove-cr)
1638 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1639 (gnus-treat-date-ut gnus-article-date-ut)
1640 (gnus-treat-date-local gnus-article-date-local)
1641 (gnus-treat-date-english gnus-article-date-english)
1642 (gnus-treat-date-original gnus-article-date-original)
1643 (gnus-treat-date-user-defined gnus-article-date-user)
1644 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1645 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1646 (gnus-treat-display-x-face gnus-article-display-x-face)
1647 (gnus-treat-display-face gnus-article-display-face)
1648 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1649 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1650 (gnus-treat-hide-signature gnus-article-hide-signature)
1651 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1652 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1653 (gnus-treat-strip-pem gnus-article-hide-pem)
1654 (gnus-treat-from-picon gnus-treat-from-picon)
1655 (gnus-treat-mail-picon gnus-treat-mail-picon)
1656 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1657 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1658 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1659 (gnus-treat-strip-trailing-blank-lines
1660 gnus-article-remove-trailing-blank-lines)
1661 (gnus-treat-strip-leading-blank-lines
1662 gnus-article-strip-leading-blank-lines)
1663 (gnus-treat-strip-multiple-blank-lines
1664 gnus-article-strip-multiple-blank-lines)
1665 (gnus-treat-overstrike gnus-article-treat-overstrike)
1666 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1667 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1668 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1669 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1670 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1671 (gnus-treat-display-smileys gnus-treat-smiley)
1672 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1673 (gnus-treat-wash-html gnus-article-wash-html)
1674 (gnus-treat-emphasize gnus-article-emphasize)
1675 (gnus-treat-hide-citation gnus-article-hide-citation)
1676 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1677 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1678 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1679 (gnus-treat-play-sounds gnus-earcon-display)))
1681 (defvar gnus-article-mime-handle-alist nil)
1682 (defvar article-lapsed-timer nil)
1683 (defvar gnus-article-current-summary nil)
1685 (defvar gnus-article-mode-syntax-table
1686 (let ((table (copy-syntax-table text-mode-syntax-table)))
1687 ;; This causes the citation match run O(2^n).
1688 ;; (modify-syntax-entry ?- "w" table)
1689 (modify-syntax-entry ?> ")<" table)
1690 (modify-syntax-entry ?< "(>" table)
1691 ;; make M-. in article buffers work for `foo' strings
1692 (modify-syntax-entry ?' " " table)
1693 (modify-syntax-entry ?` " " table)
1695 "Syntax table used in article mode buffers.
1696 Initialized from `text-mode-syntax-table.")
1698 (defvar gnus-save-article-buffer nil)
1700 (defvar gnus-article-mode-line-format-alist
1701 (nconc '((?w (gnus-article-wash-status) ?s)
1702 (?m (gnus-article-mime-part-status) ?s))
1703 gnus-summary-mode-line-format-alist))
1705 (defvar gnus-number-of-articles-to-be-saved nil)
1707 (defvar gnus-inhibit-hiding nil)
1709 (defvar gnus-article-edit-mode nil)
1711 ;;; Macros for dealing with the article buffer.
1713 (defmacro gnus-with-article-headers (&rest forms)
1715 (set-buffer gnus-article-buffer)
1717 (let ((inhibit-read-only t)
1718 (inhibit-point-motion-hooks t)
1719 (case-fold-search t))
1720 (article-narrow-to-head)
1723 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1724 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1726 (defmacro gnus-with-article-buffer (&rest forms)
1728 (set-buffer gnus-article-buffer)
1729 (let ((inhibit-read-only t))
1732 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1733 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1735 (defun gnus-article-goto-header (header)
1736 "Go to HEADER, which is a regular expression."
1737 (re-search-forward (concat "^\\(" header "\\):") nil t))
1739 (defsubst gnus-article-hide-text (b e props)
1740 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1741 (gnus-add-text-properties-when 'article-type nil b e props)
1742 (when (memq 'intangible props)
1744 (max (1- b) (point-min))
1745 b 'intangible (cddr (memq 'intangible props)))))
1747 (defsubst gnus-article-unhide-text (b e)
1748 "Remove hidden text properties from region between B and E."
1749 (remove-text-properties b e gnus-hidden-properties)
1750 (when (memq 'intangible gnus-hidden-properties)
1751 (put-text-property (max (1- b) (point-min))
1752 b 'intangible nil)))
1754 (defun gnus-article-hide-text-type (b e type)
1755 "Hide text of TYPE between B and E."
1756 (gnus-add-wash-type type)
1757 (gnus-article-hide-text
1758 b e (cons 'article-type (cons type gnus-hidden-properties))))
1760 (defun gnus-article-unhide-text-type (b e type)
1761 "Unhide text of TYPE between B and E."
1762 (gnus-delete-wash-type type)
1763 (remove-text-properties
1764 b e (cons 'article-type (cons type gnus-hidden-properties)))
1765 (when (memq 'intangible gnus-hidden-properties)
1766 (put-text-property (max (1- b) (point-min))
1767 b 'intangible nil)))
1769 (defun gnus-article-hide-text-of-type (type)
1770 "Hide text of TYPE in the current buffer."
1772 (let ((b (point-min))
1774 (while (setq b (text-property-any b e 'article-type type))
1775 (add-text-properties b (incf b) gnus-hidden-properties)))))
1777 (defun gnus-article-delete-text-of-type (type)
1778 "Delete text of TYPE in the current buffer."
1780 (let ((b (point-min)))
1781 (if (eq type 'multipart)
1782 ;; Remove MIME buttons associated with multipart/alternative parts.
1785 (while (if (get-text-property (point) 'gnus-part)
1787 (when (setq b (next-single-property-change (point)
1792 (skip-chars-forward "\n")
1793 (when (eq (get-text-property b 'article-type) 'multipart)
1794 (delete-region b (point)))))
1795 (while (setq b (text-property-any b (point-max) 'article-type type))
1797 b (or (text-property-not-all b (point-max) 'article-type type)
1800 (defun gnus-article-delete-invisible-text ()
1801 "Delete all invisible text in the current buffer."
1803 (let ((b (point-min)))
1804 (while (setq b (text-property-any b (point-max) 'invisible t))
1806 b (or (text-property-not-all b (point-max) 'invisible t)
1809 (defun gnus-article-text-type-exists-p (type)
1810 "Say whether any text of type TYPE exists in the buffer."
1811 (text-property-any (point-min) (point-max) 'article-type type))
1813 (defsubst gnus-article-header-rank ()
1814 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1815 (let ((list gnus-sorted-header-list)
1818 (if (looking-at (car list))
1820 (setq list (cdr list))
1824 (defun article-hide-headers (&optional arg delete)
1825 "Hide unwanted headers and possibly sort them as well."
1827 ;; This function might be inhibited.
1828 (unless gnus-inhibit-hiding
1829 (let ((inhibit-read-only t)
1830 (case-fold-search t)
1831 (max (1+ (length gnus-sorted-header-list)))
1832 (inhibit-point-motion-hooks t)
1833 (cur (current-buffer))
1834 ignored visible beg)
1836 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1837 ;; group parameters, so we should go to the summary buffer.
1840 (progn (set-buffer gnus-summary-buffer) t)
1842 (setq ignored (when (not gnus-visible-headers)
1843 (cond ((stringp gnus-ignored-headers)
1844 gnus-ignored-headers)
1845 ((listp gnus-ignored-headers)
1846 (mapconcat 'identity
1847 gnus-ignored-headers
1849 visible (cond ((stringp gnus-visible-headers)
1850 gnus-visible-headers)
1851 ((and gnus-visible-headers
1852 (listp gnus-visible-headers))
1853 (mapconcat 'identity
1854 gnus-visible-headers
1858 ;; First we narrow to just the headers.
1859 (article-narrow-to-head)
1860 ;; Hide any "From " lines at the beginning of (mail) articles.
1861 (while (looking-at "From ")
1864 (delete-region (point-min) (point)))
1865 ;; Then treat the rest of the header lines.
1866 ;; Then we use the two regular expressions
1867 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1868 ;; select which header lines is to remain visible in the
1870 (while (re-search-forward "^[^ \t:]*:" nil t)
1872 ;; Mark the rank of the header.
1874 (point) (1+ (point)) 'message-rank
1875 (if (or (and visible (looking-at visible))
1877 (not (looking-at ignored))))
1878 (gnus-article-header-rank)
1881 (message-sort-headers-1)
1882 (when (setq beg (text-property-any
1883 (point-min) (point-max) 'message-rank (+ 2 max)))
1884 ;; We delete the unwanted headers.
1885 (gnus-add-wash-type 'headers)
1886 (add-text-properties (point-min) (+ 5 (point-min))
1887 '(article-type headers dummy-invisible t))
1888 (delete-region beg (point-max))))))))
1890 (defun article-hide-boring-headers (&optional arg)
1891 "Toggle hiding of headers that aren't very interesting.
1892 If given a negative prefix, always show; if given a positive prefix,
1894 (interactive (gnus-article-hidden-arg))
1895 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1896 (not gnus-show-all-headers))
1899 (let ((inhibit-read-only t)
1900 (inhibit-point-motion-hooks t))
1901 (article-narrow-to-head)
1902 (dolist (elem gnus-boring-article-headers)
1903 (goto-char (point-min))
1905 ;; Hide empty headers.
1907 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1909 (gnus-article-hide-text-type
1913 (if (re-search-forward "^[^ \t]" nil t)
1917 ;; Hide boring Newsgroups header.
1918 ((eq elem 'newsgroups)
1919 (when (gnus-string-equal
1920 (gnus-fetch-field "newsgroups")
1921 (gnus-group-real-name
1922 (if (boundp 'gnus-newsgroup-name)
1925 (gnus-article-hide-header "newsgroups")))
1926 ((eq elem 'to-address)
1927 (let ((to (message-fetch-field "to"))
1929 (gnus-parameter-to-address
1930 (if (boundp 'gnus-newsgroup-name)
1931 gnus-newsgroup-name ""))))
1932 (when (and to to-address
1935 ;; only one address in To
1936 (nth 1 (mail-extract-address-components to))
1938 (gnus-article-hide-header "to"))))
1940 (let ((to (message-fetch-field "to"))
1942 (gnus-parameter-to-list
1943 (if (boundp 'gnus-newsgroup-name)
1944 gnus-newsgroup-name ""))))
1945 (when (and to to-list
1948 ;; only one address in To
1949 (nth 1 (mail-extract-address-components to))
1951 (gnus-article-hide-header "to"))))
1953 (let ((cc (message-fetch-field "cc"))
1955 (gnus-parameter-to-list
1956 (if (boundp 'gnus-newsgroup-name)
1957 gnus-newsgroup-name ""))))
1958 (when (and cc to-list
1961 ;; only one address in CC
1962 (nth 1 (mail-extract-address-components cc))
1964 (gnus-article-hide-header "cc"))))
1965 ((eq elem 'followup-to)
1966 (when (gnus-string-equal
1967 (message-fetch-field "followup-to")
1968 (message-fetch-field "newsgroups"))
1969 (gnus-article-hide-header "followup-to")))
1970 ((eq elem 'reply-to)
1971 (if (gnus-group-find-parameter
1972 gnus-newsgroup-name 'broken-reply-to)
1973 (gnus-article-hide-header "reply-to")
1974 (let ((from (message-fetch-field "from"))
1975 (reply-to (message-fetch-field "reply-to")))
1982 (lambda (x) (downcase (cadr x)))
1983 (mail-extract-address-components from t))
1986 (lambda (x) (downcase (cadr x)))
1987 (mail-extract-address-components reply-to t))
1989 (gnus-article-hide-header "reply-to")))))
1991 (let ((date (with-current-buffer gnus-original-article-buffer
1992 ;; If date in `gnus-article-buffer' is localized
1993 ;; (`gnus-treat-date-user-defined'),
1994 ;; `days-between' might fail.
1995 (message-fetch-field "date"))))
1997 (< (days-between (current-time-string) date)
1999 (gnus-article-hide-header "date"))))
2001 (let ((to (message-fetch-field "to"))
2002 (cc (message-fetch-field "cc")))
2003 (when (> (length to) 1024)
2004 (gnus-article-hide-header "to"))
2005 (when (> (length cc) 1024)
2006 (gnus-article-hide-header "cc"))))
2010 (goto-char (point-min))
2011 (while (re-search-forward "^to:" nil t)
2012 (setq to-count (1+ to-count)))
2013 (when (> to-count 1)
2014 (while (> to-count 0)
2015 (goto-char (point-min))
2017 (re-search-forward "^to:" nil nil to-count)
2019 (narrow-to-region (point) (point-max))
2020 (gnus-article-hide-header "to"))
2021 (setq to-count (1- to-count))))
2022 (goto-char (point-min))
2023 (while (re-search-forward "^cc:" nil t)
2024 (setq cc-count (1+ cc-count)))
2025 (when (> cc-count 1)
2026 (while (> cc-count 0)
2027 (goto-char (point-min))
2029 (re-search-forward "^cc:" nil nil cc-count)
2031 (narrow-to-region (point) (point-max))
2032 (gnus-article-hide-header "cc"))
2033 (setq cc-count (1- cc-count)))))))))))))
2035 (defun gnus-article-hide-header (header)
2037 (goto-char (point-min))
2038 (when (re-search-forward (concat "^" header ":") nil t)
2039 (gnus-article-hide-text-type
2043 (if (re-search-forward "^[^ \t]" nil t)
2048 (defvar gnus-article-normalized-header-length 40
2049 "Length of normalized headers.")
2051 (defun article-normalize-headers ()
2052 "Make all header lines 40 characters long."
2054 (let ((inhibit-read-only t)
2058 (article-narrow-to-head)
2061 ((< (setq column (- (point-at-eol) (point)))
2062 gnus-article-normalized-header-length)
2064 (insert (make-string
2065 (- gnus-article-normalized-header-length column)
2067 ((> column gnus-article-normalized-header-length)
2068 (gnus-put-text-property
2070 (forward-char gnus-article-normalized-header-length)
2077 (forward-line 1))))))
2079 (defun article-treat-dumbquotes ()
2080 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2081 Note that this function guesses whether a character is a sm*rtq**t* or
2082 not, so it should only be used interactively.
2084 Sm*rtq**t*s are M****s***'s unilateral extension to the
2085 iso-8859-1 character map in an attempt to provide more quoting
2086 characters. If you see something like \\222 or \\264 where
2087 you're expecting some kind of apostrophe or quotation mark, then
2090 (article-translate-strings gnus-article-dumbquotes-map))
2092 (defun article-translate-characters (from to)
2093 "Translate all characters in the body of the article according to FROM and TO.
2094 FROM is a string of characters to translate from; to is a string of
2095 characters to translate to."
2097 (when (article-goto-body)
2098 (let ((inhibit-read-only t)
2099 (x (make-string 225 ?x))
2101 (while (< (incf i) (length x))
2104 (while (< i (length from))
2105 (aset x (aref from i) (aref to i))
2107 (translate-region (point) (point-max) x)))))
2109 (defun article-translate-strings (map)
2110 "Translate all string in the body of the article according to MAP.
2111 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2113 (when (article-goto-body)
2114 (let ((inhibit-read-only t))
2117 (while (search-forward (car elem) nil t)
2118 (replace-match (cadr elem)))))))))
2120 (defun article-treat-overstrike ()
2121 "Translate overstrikes into bold text."
2124 (when (article-goto-body)
2125 (let ((inhibit-read-only t))
2126 (while (search-forward "\b" nil t)
2127 (let ((next (char-after))
2128 (previous (char-after (- (point) 2))))
2129 ;; We do the boldification/underlining by hiding the
2130 ;; overstrikes and putting the proper text property
2134 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2135 (put-text-property (point) (1+ (point)) 'face 'bold))
2137 (gnus-article-hide-text-type
2138 (1- (point)) (1+ (point)) 'overstrike)
2140 (- (point) 2) (1- (point)) 'face 'underline))
2142 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2144 (point) (1+ (point)) 'face 'underline)))))))))
2146 (defun article-treat-ansi-sequences ()
2147 "Translate ANSI SGR control sequences into overlays or extents."
2150 (when (article-goto-body)
2151 (let ((inhibit-read-only t))
2152 (ansi-color-apply-on-region (point) (point-max))))))
2154 (defun gnus-article-treat-unfold-headers ()
2155 "Unfold folded message headers.
2156 Only the headers that fit into the current window width will be
2159 (gnus-with-article-headers
2163 (mail-header-narrow-to-field)
2164 (let* ((header (buffer-string))
2166 (or (equal gnus-article-unfold-long-headers t)
2167 (and (stringp gnus-article-unfold-long-headers)
2168 (string-match gnus-article-unfold-long-headers header)))))
2171 (goto-char (point-min))
2172 (while (re-search-forward "\n[\t ]" nil t)
2173 (replace-match " " t t)))
2174 (setq length (- (point-max) (point-min) 1))
2175 (when (or unfoldable
2176 (< length (window-width)))
2177 (while (re-search-forward "\n[\t ]" nil t)
2178 (replace-match " " t t))))
2179 (goto-char (point-max)))))))
2181 (defun gnus-article-treat-fold-headers ()
2182 "Fold message headers."
2184 (gnus-with-article-headers
2187 (mail-header-narrow-to-field)
2188 (mail-header-fold-field)
2189 (goto-char (point-max))))))
2191 (defun gnus-treat-smiley ()
2192 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2194 (gnus-with-article-buffer
2195 (if (memq 'smiley gnus-article-wash-types)
2196 (gnus-delete-images 'smiley)
2198 (let ((images (smiley-region (point) (point-max))))
2200 (gnus-add-wash-type 'smiley)
2201 (dolist (image images)
2202 (gnus-add-image 'smiley image)))))))
2204 (defun gnus-article-remove-images ()
2205 "Remove all images from the article buffer."
2207 (gnus-with-article-buffer
2208 (dolist (elem gnus-article-image-alist)
2209 (gnus-delete-images (car elem)))))
2211 (defun gnus-article-treat-fold-newsgroups ()
2212 "Unfold folded message headers.
2213 Only the headers that fit into the current window width will be
2216 (gnus-with-article-headers
2217 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2219 (mail-header-narrow-to-field)
2220 (while (re-search-forward ", *" nil t)
2221 (replace-match ", " t t))
2222 (mail-header-fold-field)
2223 (goto-char (point-max))))))
2225 (defcustom gnus-article-truncate-lines default-truncate-lines
2226 "Value of `truncate-lines' in Gnus Article buffer.
2227 Valid values are nil, t, `head', `first', `last', an integer or a
2228 predicate. See Info node `(gnus)Customizing Articles'."
2229 :version "23.0" ;; No Gnus
2230 :group 'gnus-article
2231 ;; :link '(custom-manual "(gnus)Customizing Articles")
2234 (defun gnus-article-toggle-truncate-lines (&optional arg)
2235 "Toggle whether to fold or truncate long lines in article the buffer.
2236 If ARG is non-nil and not a number, toggle
2237 `gnus-article-truncate-lines' too. If ARG is a number, truncate
2238 long lines iff arg is positive."
2241 ((and (numberp arg) (> arg 0))
2242 (setq gnus-article-truncate-lines t))
2244 (setq gnus-article-truncate-lines nil))
2246 (setq gnus-article-truncate-lines
2247 (not gnus-article-truncate-lines))))
2248 (gnus-with-article-buffer
2250 ((and (numberp arg) (> arg 0))
2251 (setq truncate-lines nil))
2253 (setq truncate-lines t)))
2254 ;; In versions of Emacs 22 (CVS) before 2006-05-26,
2255 ;; `toggle-truncate-lines' needs an argument.
2256 (toggle-truncate-lines)))
2258 (defun gnus-article-treat-body-boundary ()
2259 "Place a boundary line at the end of the headers."
2261 (when (and gnus-body-boundary-delimiter
2262 (> (length gnus-body-boundary-delimiter) 0))
2263 (gnus-with-article-headers
2264 (goto-char (point-max))
2265 (let ((start (point)))
2266 (insert "X-Boundary: ")
2267 (gnus-add-text-properties start (point) '(invisible t intangible t))
2269 (while (>= (1- (window-width)) (length str))
2270 (setq str (concat str gnus-body-boundary-delimiter)))
2271 (substring str 0 (1- (window-width))))
2273 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2275 (defun article-fill-long-lines ()
2276 "Fill lines that are wider than the window width."
2279 (let ((inhibit-read-only t)
2280 (width (window-width (get-buffer-window (current-buffer)))))
2283 (let ((adaptive-fill-mode nil)) ;Why? -sm
2286 (when (>= (current-column) (min fill-column width))
2287 (narrow-to-region (min (1+ (point)) (point-max))
2289 (let ((goback (point-marker)))
2290 (fill-paragraph nil)
2291 (goto-char (marker-position goback)))
2293 (forward-line 1)))))))
2295 (defun article-capitalize-sentences ()
2296 "Capitalize the first word in each sentence."
2299 (let ((inhibit-read-only t)
2300 (paragraph-start "^[\n\^L]"))
2304 (forward-sentence)))))
2306 (defun article-remove-cr ()
2307 "Remove trailing CRs and then translate remaining CRs into LFs."
2310 (let ((inhibit-read-only t))
2311 (goto-char (point-min))
2312 (while (re-search-forward "\r+$" nil t)
2313 (replace-match "" t t))
2314 (goto-char (point-min))
2315 (while (search-forward "\r" nil t)
2316 (replace-match "\n" t t)))))
2318 (defun article-remove-trailing-blank-lines ()
2319 "Remove all trailing blank lines from the article."
2322 (let ((inhibit-read-only t))
2323 (goto-char (point-max))
2327 (while (and (not (bobp))
2328 (looking-at "^[ \t]*$")
2329 (not (gnus-annotation-in-region-p
2330 (point) (point-at-eol))))
2336 (defvar gnus-face-properties-alist))
2338 (defun article-display-face ()
2339 "Display any Face headers in the header."
2341 (let ((wash-face-p buffer-read-only))
2342 (gnus-with-article-headers
2343 ;; When displaying parts, this function can be called several times on
2344 ;; the same article, without any intended toggle semantic (as typing `W
2345 ;; D d' would have). So face deletion must occur only when we come from
2346 ;; an interactive command, that is when the *Article* buffer is
2348 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2349 (gnus-delete-images 'face)
2350 (let (face faces from)
2351 (save-current-buffer
2352 (when (and wash-face-p
2353 (gnus-buffer-live-p gnus-original-article-buffer)
2354 (not (re-search-forward "^Face:[\t ]*" nil t)))
2355 (set-buffer gnus-original-article-buffer))
2357 (mail-narrow-to-head)
2358 (while (gnus-article-goto-header "Face")
2359 (push (mail-header-field-value) faces))))
2361 (goto-char (point-min))
2362 (let ((from (gnus-article-goto-header "from"))
2367 (insert "[no `from' set]\n"))
2369 (when (setq png (gnus-convert-face-to-png (pop faces)))
2371 (apply 'gnus-create-image png 'png t
2372 (cdr (assq 'png gnus-face-properties-alist))))
2374 (gnus-add-wash-type 'face)
2375 (gnus-add-image 'face image)
2376 (gnus-put-image image nil 'face))))))))))
2378 (defun article-display-x-face (&optional force)
2379 "Look for an X-Face header and display it if present."
2380 (interactive (list 'force))
2381 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2382 (gnus-with-article-headers
2383 ;; Delete the old process, if any.
2384 (when (process-status "article-x-face")
2385 (delete-process "article-x-face"))
2386 ;; See the comment in `article-display-face'.
2387 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2388 ;; We have already displayed X-Faces, so we remove them
2390 (gnus-delete-images 'xface)
2392 (let (x-faces from face)
2393 (save-current-buffer
2394 (when (and wash-face-p
2395 (gnus-buffer-live-p gnus-original-article-buffer)
2396 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2397 ;; If type `W f', use gnus-original-article-buffer,
2398 ;; otherwise use the current buffer because displaying
2399 ;; RFC822 parts calls this function too.
2400 (set-buffer gnus-original-article-buffer))
2402 (mail-narrow-to-head)
2403 (while (gnus-article-goto-header "X-Face")
2404 (push (mail-header-field-value) x-faces))
2405 (setq from (message-fetch-field "from"))))
2406 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2407 ;; single external face.
2408 (when (stringp gnus-article-x-face-command)
2409 (setq x-faces (list (car x-faces))))
2411 gnus-article-x-face-command
2413 ;; Check whether this face is censored.
2414 (not gnus-article-x-face-too-ugly)
2416 (not (string-match gnus-article-x-face-too-ugly
2418 (while (setq face (pop x-faces))
2419 ;; We display the face.
2420 (cond ((stringp gnus-article-x-face-command)
2421 ;; The command is a string, so we interpret the command
2422 ;; as a, well, command, and fork it off.
2423 (let ((process-connection-type nil))
2424 (gnus-set-process-query-on-exit-flag
2426 "article-x-face" nil shell-file-name
2427 shell-command-switch gnus-article-x-face-command)
2431 (process-send-region "article-x-face"
2432 (point-min) (point-max)))
2433 (process-send-eof "article-x-face")))
2434 ((functionp gnus-article-x-face-command)
2435 ;; The command is a lisp function, so we call it.
2436 (funcall gnus-article-x-face-command face))
2438 (error "%s is not a function"
2439 gnus-article-x-face-command))))))))))
2441 (defun article-decode-mime-words ()
2442 "Decode all MIME-encoded words in the article."
2444 (gnus-with-article-buffer
2445 (let ((inhibit-point-motion-hooks t)
2446 (mail-parse-charset gnus-newsgroup-charset)
2447 (mail-parse-ignored-charsets
2448 (with-current-buffer gnus-summary-buffer
2449 gnus-newsgroup-ignored-charsets)))
2450 (mail-decode-encoded-word-region (point-min) (point-max)))))
2452 (defun article-decode-charset (&optional prompt)
2453 "Decode charset-encoded text in the article.
2454 If PROMPT (the prefix), prompt for a coding system to use."
2456 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2457 (inhibit-read-only t)
2458 (mail-parse-charset gnus-newsgroup-charset)
2459 (mail-parse-ignored-charsets
2460 (save-excursion (condition-case nil
2461 (set-buffer gnus-summary-buffer)
2463 gnus-newsgroup-ignored-charsets))
2464 ct cte ctl charset format)
2467 (article-narrow-to-head)
2468 (setq ct (message-fetch-field "Content-Type" t)
2469 cte (message-fetch-field "Content-Transfer-Encoding" t)
2470 ctl (and ct (mail-header-parse-content-type ct))
2473 (mm-read-coding-system "Charset to decode: "))
2475 (mail-content-type-get ctl 'charset)))
2476 format (and ctl (mail-content-type-get ctl 'format)))
2478 (setq cte (mail-header-strip cte)))
2479 (if (and ctl (not (string-match "/" (car ctl))))
2481 (goto-char (point-max)))
2484 (narrow-to-region (point) (point-max))
2485 (when (and (eq mail-parse-charset 'gnus-decoded)
2486 (eq (mm-body-7-or-8) '8bit))
2487 ;; The text code could have been decoded.
2488 (setq charset mail-parse-charset))
2489 (when (and (or (not ctl)
2490 (equal (car ctl) "text/plain"))
2491 (not format)) ;; article with format will decode later.
2493 charset (and cte (intern (downcase
2494 (gnus-strip-whitespace cte))))
2497 (defun article-decode-encoded-words ()
2498 "Remove encoded-word encoding from headers."
2499 (let ((inhibit-point-motion-hooks t)
2500 (mail-parse-charset gnus-newsgroup-charset)
2501 (mail-parse-ignored-charsets
2502 (save-excursion (condition-case nil
2503 (set-buffer gnus-summary-buffer)
2505 gnus-newsgroup-ignored-charsets))
2506 (inhibit-read-only t)
2508 (goto-char (point-min))
2509 (when (search-forward "\n\n" nil 'move)
2516 (memq (char-after) '(?\t ? )))))
2517 (setq start (point))
2519 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2520 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2521 (funcall gnus-decode-address-function start end)
2522 (funcall gnus-decode-header-function start end))
2523 (goto-char (setq end start)))))
2525 (defun article-decode-group-name ()
2526 "Decode group names in Newsgroups, Followup-To and Xref headers."
2527 (let ((inhibit-point-motion-hooks t)
2528 (inhibit-read-only t)
2529 (method (gnus-find-method-for-group gnus-newsgroup-name))
2531 (when (and (or gnus-group-name-charset-method-alist
2532 gnus-group-name-charset-group-alist)
2533 (gnus-buffer-live-p gnus-original-article-buffer))
2535 (article-narrow-to-head)
2536 (dolist (header '("Newsgroups" "Followup-To" "Xref"))
2537 (with-current-buffer gnus-original-article-buffer
2538 (goto-char (point-min)))
2539 (setq regexp (concat "^" header
2540 ":\\([^\n]*\\(?:\n[\t ]+[^\n]+\\)*\\)\n"))
2541 (while (re-search-forward regexp nil t)
2542 (replace-match (save-match-data
2543 (gnus-decode-newsgroups
2544 ;; XXX how to use data in article buffer?
2545 (with-current-buffer gnus-original-article-buffer
2546 (re-search-forward regexp nil t)
2548 gnus-newsgroup-name method))
2550 (goto-char (point-min)))))))
2552 (autoload 'idna-to-unicode "idna")
2554 (defun article-decode-idna-rhs ()
2555 "Decode IDNA strings in RHS in various headers in current buffer.
2556 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2557 Mail-Reply-To: and Mail-Followup-To:."
2560 (let ((inhibit-point-motion-hooks t)
2561 (inhibit-read-only t))
2562 (article-narrow-to-head)
2563 (goto-char (point-min))
2564 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2566 (when (save-match-data
2567 (and (setq ace (match-string 1))
2569 (and (re-search-backward "^[^ \t]" nil t)
2570 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2571 (setq unicode (idna-to-unicode ace))))
2572 (unless (string= ace unicode)
2573 (replace-match unicode nil nil nil 1)))))))))
2575 (defun article-de-quoted-unreadable (&optional force read-charset)
2576 "Translate a quoted-printable-encoded article.
2577 If FORCE, decode the article whether it is marked as quoted-printable
2579 If READ-CHARSET, ask for a coding system."
2580 (interactive (list 'force current-prefix-arg))
2582 (let ((inhibit-read-only t) type charset)
2583 (if (gnus-buffer-live-p gnus-original-article-buffer)
2584 (with-current-buffer gnus-original-article-buffer
2586 (gnus-fetch-field "content-transfer-encoding"))
2587 (let* ((ct (gnus-fetch-field "content-type"))
2588 (ctl (and ct (mail-header-parse-content-type ct))))
2589 (setq charset (and ctl
2590 (mail-content-type-get ctl 'charset)))
2591 (if (stringp charset)
2592 (setq charset (intern (downcase charset)))))))
2594 (setq charset (mm-read-coding-system "Charset: " charset)))
2596 (setq charset gnus-newsgroup-charset))
2598 (and type (let ((case-fold-search t))
2599 (string-match "quoted-printable" type))))
2601 (quoted-printable-decode-region
2602 (point) (point-max) (mm-charset-to-coding-system charset))))))
2604 (defun article-de-base64-unreadable (&optional force read-charset)
2605 "Translate a base64 article.
2606 If FORCE, decode the article whether it is marked as base64 not.
2607 If READ-CHARSET, ask for a coding system."
2608 (interactive (list 'force current-prefix-arg))
2610 (let ((inhibit-read-only t) type charset)
2611 (if (gnus-buffer-live-p gnus-original-article-buffer)
2612 (with-current-buffer gnus-original-article-buffer
2614 (gnus-fetch-field "content-transfer-encoding"))
2615 (let* ((ct (gnus-fetch-field "content-type"))
2616 (ctl (and ct (mail-header-parse-content-type ct))))
2617 (setq charset (and ctl
2618 (mail-content-type-get ctl 'charset)))
2619 (if (stringp charset)
2620 (setq charset (intern (downcase charset)))))))
2622 (setq charset (mm-read-coding-system "Charset: " charset)))
2624 (setq charset gnus-newsgroup-charset))
2626 (and type (let ((case-fold-search t))
2627 (string-match "base64" type))))
2630 (narrow-to-region (point) (point-max))
2631 (base64-decode-region (point-min) (point-max))
2632 (mm-decode-coding-region
2633 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2638 (defun article-decode-HZ ()
2639 "Translate a HZ-encoded article."
2643 (let ((inhibit-read-only t))
2644 (rfc1843-decode-region (point-min) (point-max)))))
2646 (defun article-unsplit-urls ()
2647 "Remove the newlines that some other mailers insert into URLs."
2650 (let ((inhibit-read-only t))
2651 (goto-char (point-min))
2652 (while (re-search-forward
2653 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2654 (replace-match "\\1\\3" t)))
2655 (when (interactive-p)
2656 (gnus-treat-article nil))))
2659 (defun article-wash-html (&optional read-charset)
2660 "Format an HTML article.
2661 If READ-CHARSET, ask for a coding system. If it is a number, the
2662 charset defined in `gnus-summary-show-article-charset-alist' is used."
2665 (let ((inhibit-read-only t)
2668 (if (or (and (numberp read-charset)
2672 gnus-summary-show-article-charset-alist))))
2673 (setq charset (mm-read-coding-system "Charset: ")))
2674 (let ((gnus-summary-show-article-charset-alist
2675 (list (cons 1 charset))))
2676 (with-current-buffer gnus-summary-buffer
2677 (gnus-summary-show-article 1)))
2678 (error "No charset is given"))
2679 (when (gnus-buffer-live-p gnus-original-article-buffer)
2680 (with-current-buffer gnus-original-article-buffer
2681 (let* ((ct (gnus-fetch-field "content-type"))
2682 (ctl (and ct (mail-header-parse-content-type ct))))
2683 (setq charset (and ctl
2684 (mail-content-type-get ctl 'charset)))
2685 (when (stringp charset)
2686 (setq charset (intern (downcase charset)))))))
2688 (setq charset gnus-newsgroup-charset)))
2690 (save-window-excursion
2692 (narrow-to-region (point) (point-max))
2693 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2694 (entry (assq func mm-text-html-washer-alist)))
2696 (setq func (cdr entry)))
2701 (apply (car func) (cdr func))))))))))
2703 (defun gnus-article-wash-html-with-w3 ()
2704 "Wash the current buffer with w3."
2706 (let ((w3-strict-width (window-width))
2707 (url-standalone-mode t)
2708 (url-gateway-unplugged t)
2709 (w3-honor-stylesheets nil))
2711 (w3-region (point-min) (point-max))
2714 (defun gnus-article-wash-html-with-w3m ()
2715 "Wash the current buffer with emacs-w3m."
2717 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2718 w3m-force-redisplay)
2719 (w3m-region (point-min) (point-max)))
2720 (when (and mm-inline-text-html-with-w3m-keymap
2721 (boundp 'w3m-minor-mode-map)
2723 (add-text-properties
2724 (point-min) (point-max)
2725 (list 'keymap w3m-minor-mode-map
2726 ;; Put the mark meaning this part was rendered by emacs-w3m.
2727 'mm-inline-text-html-with-w3m t))))
2729 (eval-when-compile (defvar charset)) ;; Bound by `article-wash-html'.
2731 (defun gnus-article-wash-html-with-w3m-standalone ()
2732 "Wash the current buffer with w3m."
2733 (if (mm-w3m-standalone-supports-m17n-p)
2735 (unless (mm-coding-system-p charset) ;; Bound by `article-wash-html'.
2737 (setq charset 'iso-8859-1))
2738 (let ((coding-system-for-write charset)
2739 (coding-system-for-read charset))
2740 (call-process-region
2741 (point-min) (point-max)
2742 "w3m" t t nil "-dump" "-T" "text/html"
2743 "-I" (symbol-name charset) "-O" (symbol-name charset))))
2744 (mm-inline-wash-with-stdin nil "w3m" "-dump" "-T" "text/html")))
2746 (defvar gnus-article-browse-html-temp-list nil
2747 "List of temporary files created by `gnus-article-browse-html-parts'.
2748 Internal variable.")
2750 (defcustom gnus-article-browse-delete-temp 'ask
2751 "What to do with temporary files from `gnus-article-browse-html-parts'.
2752 If nil, don't delete temporary files. If it is t, delete them on
2753 exit from the summary buffer. If it is the symbol `file', query
2754 on each file, if it is `ask' ask once when exiting from the
2756 :group 'gnus-article
2757 :version "23.0" ;; No Gnus
2758 :type '(choice (const :tag "Don't delete" nil)
2759 (const :tag "Don't ask" t)
2760 (const :tag "Ask" ask)
2761 (const :tag "Ask for each file" file)))
2763 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2765 (defun gnus-article-browse-delete-temp-files (&optional how)
2766 "Delete temp-files created by `gnus-article-browse-html-parts'."
2767 (when (and gnus-article-browse-html-temp-list
2769 (setq how gnus-article-browse-delete-temp)))
2770 (when (and (eq how 'ask)
2772 "Delete all %s temporary HTML file(s)? "
2773 (length gnus-article-browse-html-temp-list)))
2775 (dolist (file gnus-article-browse-html-temp-list)
2776 (when (and (file-exists-p file)
2778 ;; `how' is neither `nil', `ask' nor `t' (i.e. `file'):
2780 (format "Delete temporary HTML file `%s'? " file))))
2781 (delete-file file)))
2782 ;; Also remove file from the list when not deleted or if file doesn't
2784 (setq gnus-article-browse-html-temp-list nil))
2785 gnus-article-browse-html-temp-list)
2787 (defun gnus-article-browse-html-parts (list)
2788 "View all \"text/html\" parts from LIST.
2789 Recurse into multiparts."
2790 ;; Internal function used by `gnus-article-browse-html-article'.
2792 ;; Find and show the html-parts.
2793 (dolist (handle list)
2794 ;; If HTML, show it:
2795 (when (listp handle)
2796 (cond ((and (bufferp (car handle))
2797 (string-match "text/html" (car (mm-handle-type handle))))
2798 (let ((tmp-file (mm-make-temp-file
2799 ;; Do we need to care for 8.3 filenames?
2800 "mm-" nil ".html")))
2801 (mm-save-part-to-file handle tmp-file)
2802 (add-to-list 'gnus-article-browse-html-temp-list tmp-file)
2803 (add-hook 'gnus-summary-prepare-exit-hook
2804 'gnus-article-browse-delete-temp-files)
2805 (add-hook 'gnus-exit-gnus-hook
2807 (gnus-article-browse-delete-temp-files t)))
2808 ;; FIXME: Warn if there's an <img> tag?
2809 (browse-url-of-file tmp-file)
2811 ;; If multipart, recurse
2812 ((and (stringp (car handle))
2813 (string-match "^multipart/" (car handle))
2816 (gnus-article-browse-html-parts handle))))))))
2819 ;; FIXME: Documentation in texi/gnus.texi missing.
2820 (defun gnus-article-browse-html-article ()
2821 "View \"text/html\" parts of the current article with a WWW browser.
2823 Warning: Spammers use links to images in HTML articles to verify
2824 whether you have read the message. As
2825 `gnus-article-browse-html-article' passes the unmodified HTML
2826 content to the browser without eliminating these \"web bugs\" you
2827 should only use it for mails from trusted senders."
2828 ;; Cf. `mm-w3m-safe-url-regexp'
2830 (save-window-excursion
2831 ;; Open raw article and select the buffer
2832 (gnus-summary-show-article t)
2833 (gnus-summary-select-article-buffer)
2834 (let ((parts (mm-dissect-buffer t t)))
2835 ;; If singlepart, enforce a list.
2836 (when (and (bufferp (car parts))
2837 (stringp (car (mm-handle-type parts))))
2838 (setq parts (list parts)))
2840 (unless (gnus-article-browse-html-parts parts)
2841 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
2842 (gnus-summary-show-article))))
2844 (defun article-hide-list-identifiers ()
2845 "Remove list identifies from the Subject header.
2846 The `gnus-list-identifiers' variable specifies what to do."
2848 (let ((inhibit-point-motion-hooks t)
2849 (regexp (if (consp gnus-list-identifiers)
2850 (mapconcat 'identity gnus-list-identifiers " *\\|")
2851 gnus-list-identifiers))
2852 (inhibit-read-only t))
2856 (article-narrow-to-head)
2857 (goto-char (point-min))
2858 (while (re-search-forward
2859 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2861 (delete-region (match-beginning 2) (match-end 0))
2862 (beginning-of-line))
2863 (when (re-search-forward
2864 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2865 (delete-region (match-beginning 1) (match-end 1))))))))
2867 (defun article-hide-pem (&optional arg)
2868 "Toggle hiding of any PEM headers and signatures in the current article.
2869 If given a negative prefix, always show; if given a positive prefix,
2871 (interactive (gnus-article-hidden-arg))
2872 (unless (gnus-article-check-hidden-text 'pem arg)
2874 (let ((inhibit-read-only t) end)
2875 (goto-char (point-min))
2876 ;; Hide the horrendously ugly "header".
2877 (when (and (search-forward
2878 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2880 (setq end (1+ (match-beginning 0))))
2881 (gnus-add-wash-type 'pem)
2882 (gnus-article-hide-text-type
2884 (if (search-forward "\n\n" nil t)
2888 ;; Hide the trailer as well
2889 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2891 (gnus-article-hide-text-type
2892 (match-beginning 0) (match-end 0) 'pem)))))))
2894 (defun article-strip-banner ()
2895 "Strip the banners specified by the `banner' group parameter and by
2896 `gnus-article-address-banner-alist'."
2900 (let ((inhibit-point-motion-hooks t))
2901 (when (gnus-parameter-banner gnus-newsgroup-name)
2902 (article-really-strip-banner
2903 (gnus-parameter-banner gnus-newsgroup-name)))
2904 (when gnus-article-address-banner-alist
2905 ;; Note that the From header is decoded here, so it is
2906 ;; required that the *-extract-address-components function
2907 ;; supports non-ASCII text.
2908 (let ((from (save-restriction
2910 (article-narrow-to-head)
2911 (mail-fetch-field "from"))))
2914 (cadr (funcall gnus-extract-address-components
2917 (dolist (pair gnus-article-address-banner-alist)
2918 (when (string-match (car pair) from)
2920 (article-really-strip-banner (cdr pair)))))))))))))
2922 (defun article-really-strip-banner (banner)
2923 "Strip the banner specified by the argument."
2926 (let ((inhibit-point-motion-hooks t)
2927 (gnus-signature-limit nil)
2928 (inhibit-read-only t))
2931 ((eq banner 'signature)
2932 (when (gnus-article-narrow-to-signature)
2935 (delete-region (point) (point-max))))
2937 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2938 (while (re-search-forward banner nil t)
2939 (delete-region (match-beginning 0) (match-end 0)))))
2941 (while (re-search-forward banner nil t)
2942 (delete-region (match-beginning 0) (match-end 0)))))))))
2944 (defun article-babel ()
2945 "Translate article using an online translation service."
2948 (gnus-with-article-buffer
2949 (when (article-goto-body)
2950 (let* ((start (point))
2952 (orig (buffer-substring start end))
2953 (trans (babel-as-string orig)))
2955 (narrow-to-region start end)
2956 (delete-region start end)
2959 (defun article-hide-signature (&optional arg)
2960 "Hide the signature in the current article.
2961 If given a negative prefix, always show; if given a positive prefix,
2963 (interactive (gnus-article-hidden-arg))
2964 (unless (gnus-article-check-hidden-text 'signature arg)
2967 (let ((inhibit-read-only t))
2968 (when (gnus-article-narrow-to-signature)
2969 (gnus-article-hide-text-type
2970 (point-min) (point-max) 'signature))))))
2971 (gnus-set-mode-line 'article))
2973 (defun article-strip-headers-in-body ()
2974 "Strip offensive headers from bodies."
2978 (let ((case-fold-search t))
2979 (when (looking-at "x-no-archive:")
2980 (gnus-delete-line)))))
2982 (defun article-strip-leading-blank-lines ()
2983 "Remove all blank lines from the beginning of the article."
2986 (let ((inhibit-point-motion-hooks t)
2987 (inhibit-read-only t))
2988 (when (article-goto-body)
2989 (while (and (not (eobp))
2990 (looking-at "[ \t]*$"))
2991 (gnus-delete-line))))))
2993 (defun article-narrow-to-head ()
2994 "Narrow the buffer to the head of the message.
2995 Point is left at the beginning of the narrowed-to region."
2997 (goto-char (point-min))
2998 (if (search-forward "\n\n" nil 1)
3001 (goto-char (point-min)))
3003 (defun article-goto-body ()
3004 "Place point at the start of the body."
3005 (goto-char (point-min))
3007 ;; This variable is only bound when dealing with separate
3009 (article-goto-body-goes-to-point-min-p
3011 ((search-forward "\n\n" nil t)
3014 (goto-char (point-max))
3017 (defun article-strip-multiple-blank-lines ()
3018 "Replace consecutive blank lines with one empty line."
3021 (let ((inhibit-point-motion-hooks t)
3022 (inhibit-read-only t))
3023 ;; First make all blank lines empty.
3025 (while (re-search-forward "^[ \t]+$" nil t)
3026 (unless (gnus-annotation-in-region-p
3027 (match-beginning 0) (match-end 0))
3028 (replace-match "" nil t)))
3029 ;; Then replace multiple empty lines with a single empty line.
3031 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
3032 (unless (gnus-annotation-in-region-p
3033 (match-beginning 0) (match-end 0))
3034 (delete-region (match-beginning 1) (match-end 1)))))))
3036 (defun article-strip-leading-space ()
3037 "Remove all white space from the beginning of the lines in the article."
3040 (let ((inhibit-point-motion-hooks t)
3041 (inhibit-read-only t))
3043 (while (re-search-forward "^[ \t]+" nil t)
3044 (replace-match "" t t)))))
3046 (defun article-strip-trailing-space ()
3047 "Remove all white space from the end of the lines in the article."
3050 (let ((inhibit-point-motion-hooks t)
3051 (inhibit-read-only t))
3053 (while (re-search-forward "[ \t]+$" nil t)
3054 (replace-match "" t t)))))
3056 (defun article-strip-blank-lines ()
3057 "Strip leading, trailing and multiple blank lines."
3059 (article-strip-leading-blank-lines)
3060 (article-remove-trailing-blank-lines)
3061 (article-strip-multiple-blank-lines))
3063 (defun article-strip-all-blank-lines ()
3064 "Strip all blank lines."
3067 (let ((inhibit-point-motion-hooks t)
3068 (inhibit-read-only t))
3070 (while (re-search-forward "^[ \t]*\n" nil t)
3071 (replace-match "" t t)))))
3073 (defun gnus-article-narrow-to-signature ()
3074 "Narrow to the signature; return t if a signature is found, else nil."
3075 (let ((inhibit-point-motion-hooks t))
3076 (when (gnus-article-search-signature)
3078 ;; Check whether we have some limits to what we consider
3079 ;; to be a signature.
3080 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3081 (list gnus-signature-limit)))
3083 (while (setq limit (pop limits))
3084 (if (or (and (integerp limit)
3085 (< (- (point-max) (point)) limit))
3087 (< (count-lines (point) (point-max)) limit))
3088 (and (functionp limit)
3090 (and (stringp limit)
3091 (not (re-search-forward limit nil t))))
3092 () ; This limit did not succeed.
3096 (narrow-to-region (point) (point-max))
3099 (defun gnus-article-search-signature ()
3100 "Search the current buffer for the signature separator.
3101 Put point at the beginning of the signature separator."
3102 (let ((cur (point)))
3103 (goto-char (point-max))
3104 (if (if (stringp gnus-signature-separator)
3105 (re-search-backward gnus-signature-separator nil t)
3106 (let ((seps gnus-signature-separator))
3108 (not (re-search-backward (car seps) nil t)))
3115 (defun gnus-article-hidden-arg ()
3116 "Return the current prefix arg as a number, or 0 if no prefix."
3117 (list (if current-prefix-arg
3118 (prefix-numeric-value current-prefix-arg)
3121 (defun gnus-article-check-hidden-text (type arg)
3122 "Return nil if hiding is necessary.
3123 Arg can be nil or a number. nil and positive means hide, negative
3124 means show, 0 means toggle."
3127 (let ((hide (gnus-article-hidden-text-p type)))
3133 (gnus-article-show-hidden-text type)
3136 (if (eq hide 'hidden)
3138 (gnus-article-show-hidden-text type)
3142 (defun gnus-article-hidden-text-p (type)
3143 "Say whether the current buffer contains hidden text of type TYPE."
3144 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3146 (not (get-text-property pos 'invisible))
3147 (not (get-text-property pos 'dummy-invisible)))
3149 (text-property-any (1+ pos) (point-max) 'article-type type)))
3154 (defun gnus-article-show-hidden-text (type &optional dummy)
3155 "Show all hidden text of type TYPE.
3156 Originally it is hide instead of DUMMY."
3157 (let ((inhibit-read-only t)
3158 (inhibit-point-motion-hooks t))
3159 (gnus-remove-text-properties-when
3161 (point-min) (point-max)
3162 (cons 'article-type (cons type
3163 gnus-hidden-properties)))
3164 (gnus-delete-wash-type type)))
3166 (defconst article-time-units
3167 `((year . ,(* 365.25 24 60 60))
3168 (week . ,(* 7 24 60 60))
3169 (day . ,(* 24 60 60))
3173 "Mapping from time units to seconds.")
3175 (defun gnus-article-forward-header ()
3176 "Move point to the start of the next header.
3177 If the current header is a continuation header, this can be several
3182 (if (looking-at "[ \t]+[^ \t]")
3186 (defun article-date-ut (&optional type highlight)
3187 "Convert DATE date to universal time in the current article.
3188 If TYPE is `local', convert to local time; if it is `lapsed', output
3189 how much time has lapsed since DATE. For `lapsed', the value of
3190 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3191 should replace the \"Date:\" one, or should be added below it."
3192 (interactive (list 'ut t))
3193 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3194 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3198 (article-lapsed-timer
3202 (case-fold-search t)
3203 (inhibit-read-only t)
3204 (inhibit-point-motion-hooks t)
3205 pos date bface eface)
3209 (goto-char (point-min))
3210 (while (or (setq date (get-text-property (setq pos (point))
3212 (when (setq pos (next-single-property-change
3213 (point) 'original-date))
3214 (setq date (get-text-property pos 'original-date))
3216 (narrow-to-region pos (or (text-property-any pos (point-max)
3219 (goto-char (point-min))
3220 (when (re-search-forward tdate-regexp nil t)
3221 (setq bface (get-text-property (point-at-bol) 'face)
3222 eface (get-text-property (1- (point-at-eol)) 'face)))
3223 (goto-char (point-min))
3225 ;; Delete any old Date headers.
3226 (while (re-search-forward date-regexp nil t)
3228 (delete-region (point-at-bol) (progn
3229 (gnus-article-forward-header)
3231 (delete-region (point-at-bol) (progn
3232 (gnus-article-forward-header)
3235 (setq pos (point))))
3236 (when (and (not pos)
3237 (re-search-forward tdate-regexp nil t))
3239 (gnus-goto-char pos)
3240 (insert (article-make-date-line date (or type 'ut)))
3246 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3247 (put-text-property (match-beginning 1) (1+ (match-end 1))
3249 (put-text-property (match-beginning 2) (match-end 2)
3251 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3252 (goto-char (point-max))
3255 (defun article-make-date-line (date type)
3256 "Return a DATE line of TYPE."
3257 (unless (memq type '(local ut original user iso8601 lapsed english))
3258 (error "Unknown conversion type: %s" type))
3260 (let ((time (date-to-time date)))
3262 ;; Convert to the local timezone.
3264 (concat "Date: " (message-make-date time)))
3265 ;; Convert to Universal Time.
3270 (let* ((e (parse-time-string date))
3271 (tm (apply 'encode-time e))
3273 (ls (- (cadr tm) (car (current-time-zone time)))))
3274 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3275 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3279 ;; Get the original date from the article.
3280 ((eq type 'original)
3281 (concat "Date: " (if (string-match "\n+$" date)
3282 (substring date 0 (match-beginning 0))
3284 ;; Let the user define the format.
3286 (let ((format (or (condition-case nil
3287 (with-current-buffer gnus-summary-buffer
3288 gnus-article-time-format)
3290 gnus-article-time-format)))
3291 (if (functionp format)
3292 (funcall format time)
3293 (concat "Date: " (format-time-string format time)))))
3296 (let ((tz (car (current-time-zone time))))
3299 (format-time-string "%Y%m%dT%H%M%S" time)
3300 (format "%s%02d%02d"
3301 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3302 (/ (% (abs tz) 3600) 60)))))
3303 ;; Do an X-Sent lapsed format.
3305 ;; If the date is seriously mangled, the timezone functions are
3306 ;; liable to bug out, so we ignore all errors.
3307 (let* ((now (current-time))
3308 (real-time (subtract-time now time))
3309 (real-sec (and real-time
3310 (+ (* (float (car real-time)) 65536)
3312 (sec (and real-time (abs real-sec)))
3322 ;; This is a bit convoluted, but basically we go
3323 ;; through the time units for years, weeks, etc,
3324 ;; and divide things to see whether that results
3325 ;; in positive answers.
3328 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3329 ;; The (remaining) seconds are too few to
3330 ;; be divided into this time unit.
3332 ;; It's big enough, so we output it.
3333 (setq sec (- sec (* num (cdr unit))))
3335 (concat (if prev ", " "") (int-to-string
3337 " " (symbol-name (car unit))
3338 (if (> num 1) "s" ""))
3340 article-time-units "")
3341 ;; If dates are odd, then it might appear like the
3342 ;; article was sent in the future.
3345 " in the future"))))))
3346 ;; Display the date in proper English
3348 (let ((dtime (decode-time time)))
3351 (number-to-string (nth 3 dtime))
3352 (let ((digit (% (nth 3 dtime) 10)))
3354 ((memq (nth 3 dtime) '(11 12 13)) "th")
3360 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3362 (number-to-string (nth 5 dtime))
3364 (format "%02d" (nth 2 dtime))
3366 (format "%02d" (nth 1 dtime)))))))
3368 (format "Date: %s (from Gnus)" date))))
3370 (defun article-date-local (&optional highlight)
3371 "Convert the current article date to the local timezone."
3372 (interactive (list t))
3373 (article-date-ut 'local highlight))
3375 (defun article-date-english (&optional highlight)
3376 "Convert the current article date to something that is proper English."
3377 (interactive (list t))
3378 (article-date-ut 'english highlight))
3380 (defun article-date-original (&optional highlight)
3381 "Convert the current article date to what it was originally.
3382 This is only useful if you have used some other date conversion
3383 function and want to see what the date was before converting."
3384 (interactive (list t))
3385 (article-date-ut 'original highlight))
3387 (defun article-date-lapsed (&optional highlight)
3388 "Convert the current article date to time lapsed since it was sent."
3389 (interactive (list t))
3390 (article-date-ut 'lapsed highlight))
3392 (defun article-update-date-lapsed ()
3393 "Function to be run from a timer to update the lapsed time line."
3395 (let (deactivate-mark)
3400 (set-buffer (window-buffer w))
3401 (when (eq major-mode 'gnus-article-mode)
3402 (let ((mark (point-marker)))
3403 (goto-char (point-min))
3404 (when (re-search-forward "^X-Sent:" nil t)
3405 (article-date-lapsed t))
3406 (goto-char (marker-position mark))
3407 (move-marker mark nil))))
3410 (defun gnus-start-date-timer (&optional n)
3411 "Start a timer to update the X-Sent header in the article buffers.
3412 The numerical prefix says how frequently (in seconds) the function
3417 (gnus-stop-date-timer)
3418 (setq article-lapsed-timer
3419 (run-at-time 1 n 'article-update-date-lapsed)))
3421 (defun gnus-stop-date-timer ()
3422 "Stop the X-Sent timer."
3424 (when article-lapsed-timer
3425 (nnheader-cancel-timer article-lapsed-timer)
3426 (setq article-lapsed-timer nil)))
3428 (defun article-date-user (&optional highlight)
3429 "Convert the current article date to the user-defined format.
3430 This format is defined by the `gnus-article-time-format' variable."
3431 (interactive (list t))
3432 (article-date-ut 'user highlight))
3434 (defun article-date-iso8601 (&optional highlight)
3435 "Convert the current article date to ISO8601."
3436 (interactive (list t))
3437 (article-date-ut 'iso8601 highlight))
3439 (defmacro gnus-article-save-original-date (&rest forms)
3440 "Save the original date as a text property and evaluate FORMS."
3441 `(let* ((case-fold-search t)
3443 (goto-char (point-min))
3444 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3447 (date (when (and start
3448 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3450 (buffer-substring-no-properties start
3451 (match-beginning 0)))))
3452 (goto-char (point-max))
3453 (skip-chars-backward "\n")
3454 (put-text-property (point-min) (point) 'original-date date)
3456 (goto-char (point-max))
3457 (skip-chars-backward "\n")
3458 (put-text-property (point-min) (point) 'original-date date)))
3460 ;; (defun article-show-all ()
3461 ;; "Show all hidden text in the article buffer."
3464 ;; (let ((inhibit-read-only t))
3465 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3467 (defun article-remove-leading-whitespace ()
3468 "Remove excessive whitespace from all headers."
3472 (let ((inhibit-read-only t))
3473 (article-narrow-to-head)
3474 (goto-char (point-min))
3475 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3476 (delete-region (match-beginning 1) (match-end 1)))))))
3478 (defun article-emphasize (&optional arg)
3479 "Emphasize text according to `gnus-emphasis-alist'."
3480 (interactive (gnus-article-hidden-arg))
3481 (unless (gnus-article-check-hidden-text 'emphasis arg)
3485 (with-current-buffer gnus-summary-buffer
3486 gnus-article-emphasis-alist)
3488 gnus-emphasis-alist))
3489 (inhibit-read-only t)
3490 (props (append '(article-type emphasis)
3491 gnus-hidden-properties))
3492 regexp elem beg invisible visible face)
3495 (while (setq elem (pop alist))
3497 (setq regexp (car elem)
3498 invisible (nth 1 elem)
3499 visible (nth 2 elem)
3501 (while (re-search-forward regexp nil t)
3502 (when (and (match-beginning visible) (match-beginning invisible))
3503 (gnus-article-hide-text
3504 (match-beginning invisible) (match-end invisible) props)
3505 (gnus-article-unhide-text-type
3506 (match-beginning visible) (match-end visible) 'emphasis)
3507 (gnus-put-overlay-excluding-newlines
3508 (match-beginning visible) (match-end visible) 'face face)
3509 (gnus-add-wash-type 'emphasis)
3510 (goto-char (match-end invisible)))))))))
3512 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3513 "Setup newsgroup emphasis alist."
3514 (unless gnus-article-emphasis-alist
3515 (let ((name (and gnus-newsgroup-name
3516 (gnus-group-real-name gnus-newsgroup-name))))
3517 (make-local-variable 'gnus-article-emphasis-alist)
3518 (setq gnus-article-emphasis-alist
3520 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3521 (while (setq elem (pop alist))
3522 (when (and name (string-match (car elem) name))
3524 highlight (copy-sequence (cdr elem)))))
3526 (copy-sequence highlight-words)
3527 (if gnus-newsgroup-name
3528 (copy-sequence (gnus-group-find-parameter
3529 gnus-newsgroup-name 'highlight-words t)))
3530 gnus-emphasis-alist)))))
3533 (defvar gnus-summary-article-menu)
3534 (defvar gnus-summary-post-menu))
3536 ;;; Saving functions.
3538 (defun gnus-article-save (save-buffer file &optional num)
3539 "Save the currently selected article."
3540 (when (or (get gnus-default-article-saver :headers)
3541 (not gnus-save-all-headers))
3542 ;; Remove headers according to `gnus-saved-headers' or the value
3543 ;; of the `:headers' property that the saver function might have.
3544 (let ((gnus-visible-headers
3545 (or (symbol-value (get gnus-default-article-saver :headers))
3546 gnus-saved-headers gnus-visible-headers))
3547 (gnus-article-buffer save-buffer))
3549 (set-buffer save-buffer)
3550 (article-hide-headers 1 t))))
3551 (save-window-excursion
3552 (if (not gnus-default-article-saver)
3553 (error "No default saver is defined")
3554 ;; !!! Magic! The saving functions all save
3555 ;; `gnus-save-article-buffer' (or so they think), but we
3556 ;; bind that variable to our save-buffer.
3557 (set-buffer gnus-article-buffer)
3558 (let* ((gnus-save-article-buffer save-buffer)
3561 ((not gnus-prompt-before-saving) 'default)
3562 ((eq gnus-prompt-before-saving 'always) nil)
3564 (gnus-number-of-articles-to-be-saved
3565 (when (eq gnus-prompt-before-saving t)
3567 (set-buffer gnus-article-current-summary)
3568 (funcall gnus-default-article-saver filename)))))
3570 (defun gnus-read-save-file-name (prompt &optional filename
3571 function group headers variable
3574 (funcall function group headers (symbol-value variable)))
3579 ((eq filename 'default)
3585 (when (symbol-value dir-var)
3586 (setq default-name (expand-file-name
3587 (file-name-nondirectory default-name)
3588 (symbol-value dir-var))))
3589 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3592 (if (and gnus-number-of-articles-to-be-saved
3593 (> gnus-number-of-articles-to-be-saved 1))
3594 (format "these %d articles"
3595 gnus-number-of-articles-to-be-saved)
3598 ;; Let the split methods have their say.
3600 ;; No split name was found.
3603 (concat prompt " (default "
3604 (file-name-nondirectory default-name) "): ")
3605 (file-name-directory default-name)
3607 ;; A single group name is returned.
3608 ((stringp split-name)
3610 (funcall function split-name headers
3611 (symbol-value variable)))
3613 (concat prompt " (default "
3614 (file-name-nondirectory default-name) "): ")
3615 (file-name-directory default-name)
3617 ;; A single split name was found
3618 ((= 1 (length split-name))
3619 (let* ((name (expand-file-name
3621 gnus-article-save-directory))
3622 (dir (cond ((file-directory-p name)
3623 (file-name-as-directory name))
3624 ((file-exists-p name) name)
3625 (t gnus-article-save-directory))))
3627 (concat prompt " (default " name "): ")
3629 ;; A list of splits was found.
3631 (setq split-name (nreverse split-name))
3633 (let ((file-name-history
3634 (nconc split-name file-name-history)))
3638 (concat prompt " (`M-p' for defaults): ")
3639 gnus-article-save-directory
3641 gnus-article-save-directory)))
3642 (car (push result file-name-history)))))))
3643 ;; Create the directory.
3644 (gnus-make-directory (file-name-directory file))
3645 ;; If we have read a directory, we append the default file name.
3646 (when (file-directory-p file)
3647 (setq file (expand-file-name (file-name-nondirectory
3649 (file-name-as-directory file))))
3650 ;; Possibly translate some characters.
3651 (nnheader-translate-file-chars file))))))
3652 (gnus-make-directory (file-name-directory result))
3654 (set variable result))
3656 (set dir-var (file-name-directory result)))
3659 (defun gnus-article-archive-name (group)
3660 "Return the first instance of an \"Archive-name\" in the current buffer."
3661 (let ((case-fold-search t))
3662 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3663 (nnheader-concat gnus-article-save-directory
3664 (match-string 1)))))
3666 (defun gnus-article-nndoc-name (group)
3667 "If GROUP is an nndoc group, return the name of the parent group."
3668 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3669 (gnus-group-get-parameter group 'save-article-group)))
3671 (defun gnus-summary-save-in-rmail (&optional filename)
3672 "Append this article to Rmail file.
3673 Optional argument FILENAME specifies file name.
3674 Directory to save to is default to `gnus-article-save-directory'."
3675 (setq filename (gnus-read-save-file-name
3676 "Save %s in rmail file" filename
3677 gnus-rmail-save-name gnus-newsgroup-name
3678 gnus-current-headers 'gnus-newsgroup-last-rmail))
3679 (gnus-eval-in-buffer-window gnus-save-article-buffer
3683 (gnus-output-to-rmail filename))))
3686 (defun gnus-summary-save-in-mail (&optional filename)
3687 "Append this article to Unix mail file.
3688 Optional argument FILENAME specifies file name.
3689 Directory to save to is default to `gnus-article-save-directory'."
3690 (setq filename (gnus-read-save-file-name
3691 "Save %s in Unix mail file" filename
3692 gnus-mail-save-name gnus-newsgroup-name
3693 gnus-current-headers 'gnus-newsgroup-last-mail))
3694 (gnus-eval-in-buffer-window gnus-save-article-buffer
3698 (if (and (file-readable-p filename)
3699 (file-regular-p filename)
3700 (mail-file-babyl-p filename))
3701 (rmail-output-to-rmail-file filename t)
3702 (gnus-output-to-mail filename)))))
3705 (put 'gnus-summary-save-in-file :decode t)
3706 (put 'gnus-summary-save-in-file :headers 'gnus-saved-headers)
3707 (defun gnus-summary-save-in-file (&optional filename overwrite)
3708 "Append this article to file.
3709 Optional argument FILENAME specifies file name.
3710 Directory to save to is default to `gnus-article-save-directory'."
3711 (setq filename (gnus-read-save-file-name
3712 "Save %s in file" filename
3713 gnus-file-save-name gnus-newsgroup-name
3714 gnus-current-headers 'gnus-newsgroup-last-file))
3715 (gnus-eval-in-buffer-window gnus-save-article-buffer
3719 (when (and overwrite
3720 (file-exists-p filename))
3721 (delete-file filename))
3722 (gnus-output-to-file filename))))
3725 (put 'gnus-summary-write-to-file :decode t)
3726 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
3727 (put 'gnus-summary-write-to-file :headers 'gnus-saved-headers)
3728 (defun gnus-summary-write-to-file (&optional filename)
3729 "Write this article to a file, overwriting it if the file exists.
3730 Optional argument FILENAME specifies file name.
3731 The directory to save in defaults to `gnus-article-save-directory'."
3732 (setq filename (gnus-read-save-file-name
3733 "Save %s in file" filename
3734 gnus-file-save-name gnus-newsgroup-name
3735 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3736 (gnus-summary-save-in-file filename t))
3738 (put 'gnus-summary-save-body-in-file :decode t)
3739 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
3740 "Append this article body to a file.
3741 Optional argument FILENAME specifies file name.
3742 The directory to save in defaults to `gnus-article-save-directory'."
3743 (setq filename (gnus-read-save-file-name
3744 "Save %s body in file" filename
3745 gnus-file-save-name gnus-newsgroup-name
3746 gnus-current-headers 'gnus-newsgroup-last-file))
3747 (gnus-eval-in-buffer-window gnus-save-article-buffer
3751 (when (article-goto-body)
3752 (narrow-to-region (point) (point-max)))
3753 (when (and overwrite
3754 (file-exists-p filename))
3755 (delete-file filename))
3756 (gnus-output-to-file filename))))
3759 (put 'gnus-summary-write-body-to-file :decode t)
3760 (put 'gnus-summary-write-body-to-file
3761 :function 'gnus-summary-save-body-in-file)
3762 (defun gnus-summary-write-body-to-file (&optional filename)
3763 "Write this article body to a file, overwriting it if the file exists.
3764 Optional argument FILENAME specifies file name.
3765 The directory to save in defaults to `gnus-article-save-directory'."
3766 (setq filename (gnus-read-save-file-name
3767 "Save %s body in file" filename
3768 gnus-file-save-name gnus-newsgroup-name
3769 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3770 (gnus-summary-save-body-in-file filename t))
3772 (defun gnus-summary-save-in-pipe (&optional command)
3773 "Pipe this article to subprocess."
3775 (cond ((and (eq command 'default)
3776 gnus-last-shell-command)
3777 gnus-last-shell-command)
3782 "Shell command on %s: "
3783 (if (and gnus-number-of-articles-to-be-saved
3784 (> gnus-number-of-articles-to-be-saved 1))
3785 (format "these %d articles"
3786 gnus-number-of-articles-to-be-saved)
3788 gnus-last-shell-command))))
3789 (when (string-equal command "")
3790 (if gnus-last-shell-command
3791 (setq command gnus-last-shell-command)
3792 (error "A command is required")))
3793 (gnus-eval-in-buffer-window gnus-article-buffer
3796 (shell-command-on-region (point-min) (point-max) command nil)))
3797 (setq gnus-last-shell-command command))
3799 (defun gnus-summary-pipe-to-muttprint (&optional command)
3800 "Pipe this article to muttprint."
3801 (setq command (read-string
3802 "Print using command: " gnus-summary-muttprint-program
3803 nil gnus-summary-muttprint-program))
3804 (gnus-summary-save-in-pipe command))
3806 ;;; Article file names when saving.
3808 (defun gnus-capitalize-newsgroup (newsgroup)
3809 "Capitalize NEWSGROUP name."
3810 (when (not (zerop (length newsgroup)))
3811 (concat (char-to-string (upcase (aref newsgroup 0)))
3812 (substring newsgroup 1))))
3814 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3815 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3816 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3817 Otherwise, it is like ~/News/news/group/num."
3820 (concat (if (gnus-use-long-file-name 'not-save)
3821 (gnus-capitalize-newsgroup newsgroup)
3822 (gnus-newsgroup-directory-form newsgroup))
3823 "/" (int-to-string (mail-header-number headers)))
3824 gnus-article-save-directory)))
3826 (string-equal (file-name-directory default)
3827 (file-name-directory last-file))
3828 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3830 (or last-file default))))
3832 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3833 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3834 If variable `gnus-use-long-file-name' is non-nil, it is
3835 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3838 (concat (if (gnus-use-long-file-name 'not-save)
3840 (gnus-newsgroup-directory-form newsgroup))
3841 "/" (int-to-string (mail-header-number headers)))
3842 gnus-article-save-directory)))
3844 (string-equal (file-name-directory default)
3845 (file-name-directory last-file))
3846 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3848 (or last-file default))))
3850 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3851 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3852 If variable `gnus-use-long-file-name' is non-nil, it is
3853 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3856 (if (gnus-use-long-file-name 'not-save)
3859 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3861 gnus-article-save-directory)))
3863 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3864 "Generate file name from sender."
3865 (let ((from (mail-header-from headers)))
3867 (if (and from (string-match "\\([^ <]+\\)@" from))
3868 (match-string 1 from)
3870 gnus-article-save-directory)))
3872 (defun article-verify-x-pgp-sig ()
3875 (if (gnus-buffer-live-p gnus-original-article-buffer)
3876 (let ((sig (with-current-buffer gnus-original-article-buffer
3877 (gnus-fetch-field "X-PGP-Sig")))
3881 (mml2015-clear-verify-function))
3883 (insert-buffer-substring gnus-original-article-buffer)
3884 (setq items (split-string sig))
3885 (message-narrow-to-head)
3886 (let ((inhibit-point-motion-hooks t)
3887 (case-fold-search t))
3888 ;; Don't verify multiple headers.
3889 (setq headers (mapconcat (lambda (header)
3891 (mail-fetch-field header)
3893 (split-string (nth 1 items) ",") "")))
3894 (delete-region (point-min) (point-max))
3895 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3896 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3901 (if (looking-at "^-")
3904 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3905 (insert "Version: " (car items) "\n\n")
3906 (insert (mapconcat 'identity (cddr items) "\n"))
3907 (insert "\n-----END PGP SIGNATURE-----\n")
3908 (let ((mm-security-handle (list (format "multipart/signed"))))
3909 (mml2015-clean-buffer)
3910 (let ((coding-system-for-write (or gnus-newsgroup-charset
3912 (funcall (mml2015-clear-verify-function)))
3914 (or (mm-handle-multipart-ctl-parameter
3915 mm-security-handle 'gnus-details)
3916 (mm-handle-multipart-ctl-parameter
3917 mm-security-handle 'gnus-info)))))
3919 (let ((inhibit-read-only t) bface eface)
3921 (message-narrow-to-head)
3922 (goto-char (point-max))
3924 (setq bface (get-text-property (point-at-bol) 'face)
3925 eface (get-text-property (1- (point-at-eol)) 'face))
3926 (message-remove-header "X-Gnus-PGP-Verify")
3927 (if (re-search-forward "^X-PGP-Sig:" nil t)
3929 (goto-char (point-max)))
3930 (narrow-to-region (point) (point))
3931 (insert "X-Gnus-PGP-Verify: " info "\n")
3932 (goto-char (point-min))
3935 (if (not (looking-at "^[ \t]"))
3939 (goto-char (point-min))
3940 (when (looking-at "\\([^:]+\\): *")
3941 (put-text-property (match-beginning 1) (1+ (match-end 1))
3943 (put-text-property (match-end 0) (point-max)
3944 'face eface)))))))))
3946 (defun article-verify-cancel-lock ()
3947 "Verify Cancel-Lock header."
3949 (if (gnus-buffer-live-p gnus-original-article-buffer)
3950 (canlock-verify gnus-original-article-buffer)))
3957 (setq afunc (car func)
3960 gfunc (intern (format "gnus-%s" func))))
3962 (when (fboundp afunc)
3963 `(lambda (&optional interactive &rest args)
3964 ,(documentation afunc t)
3965 (interactive (list t))
3967 (set-buffer gnus-article-buffer)
3969 (call-interactively ',afunc)
3970 (apply ',afunc args))))))))
3971 '(article-hide-headers
3972 article-verify-x-pgp-sig
3973 article-verify-cancel-lock
3974 article-hide-boring-headers
3975 article-treat-overstrike
3976 article-treat-ansi-sequences
3977 article-fill-long-lines
3978 article-capitalize-sentences
3980 article-remove-leading-whitespace
3981 article-display-x-face
3982 article-display-face
3983 article-de-quoted-unreadable
3984 article-de-base64-unreadable
3987 article-unsplit-urls
3988 article-hide-list-identifiers
3989 article-strip-banner
3992 article-hide-signature
3993 article-strip-headers-in-body
3994 article-remove-trailing-blank-lines
3995 article-strip-leading-blank-lines
3996 article-strip-multiple-blank-lines
3997 article-strip-leading-space
3998 article-strip-trailing-space
3999 article-strip-blank-lines
4000 article-strip-all-blank-lines
4002 article-date-english
4003 article-date-iso8601
4004 article-date-original
4006 article-decode-mime-words
4007 article-decode-charset
4008 article-decode-encoded-words
4012 article-treat-dumbquotes
4013 article-normalize-headers
4014 ;;(article-show-all . gnus-article-show-all-headers)
4018 ;;; Gnus article mode
4021 (put 'gnus-article-mode 'mode-class 'special)
4023 (set-keymap-parent gnus-article-mode-map widget-keymap)
4025 (gnus-define-keys gnus-article-mode-map
4026 " " gnus-article-goto-next-page
4027 "\177" gnus-article-goto-prev-page
4028 [delete] gnus-article-goto-prev-page
4029 [backspace] gnus-article-goto-prev-page
4030 "\C-c^" gnus-article-refer-article
4031 "h" gnus-article-show-summary
4032 "s" gnus-article-show-summary
4033 "\C-c\C-m" gnus-article-mail
4034 "?" gnus-article-describe-briefly
4035 "e" gnus-summary-edit-article
4036 "<" beginning-of-buffer
4038 "\C-c\C-i" gnus-info-find-node
4040 "R" gnus-article-reply-with-original
4041 "F" gnus-article-followup-with-original
4042 "\C-hk" gnus-article-describe-key
4043 "\C-hc" gnus-article-describe-key-briefly
4045 "\C-d" gnus-article-read-summary-keys
4046 "\M-*" gnus-article-read-summary-keys
4047 "\M-#" gnus-article-read-summary-keys
4048 "\M-^" gnus-article-read-summary-keys
4049 "\M-g" gnus-article-read-summary-keys)
4051 (substitute-key-definition
4052 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
4054 (defun gnus-article-make-menu-bar ()
4055 (unless (boundp 'gnus-article-commands-menu)
4056 (gnus-summary-make-menu-bar))
4057 (gnus-turn-off-edit-menu 'article)
4058 (unless (boundp 'gnus-article-article-menu)
4060 gnus-article-article-menu gnus-article-mode-map ""
4062 ["Scroll forwards" gnus-article-goto-next-page t]
4063 ["Scroll backwards" gnus-article-goto-prev-page t]
4064 ["Show summary" gnus-article-show-summary t]
4065 ["Fetch Message-ID at point" gnus-article-refer-article t]
4066 ["Mail to address at point" gnus-article-mail t]
4067 ["Send a bug report" gnus-bug t]))
4070 gnus-article-treatment-menu gnus-article-mode-map ""
4071 ;; Fixme: this should use :active (and maybe :visible).
4073 ["Hide headers" gnus-article-hide-headers t]
4074 ["Hide signature" gnus-article-hide-signature t]
4075 ["Hide citation" gnus-article-hide-citation t]
4076 ["Treat overstrike" gnus-article-treat-overstrike t]
4077 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
4078 ["Remove carriage return" gnus-article-remove-cr t]
4079 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4080 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4081 ["Remove base64" gnus-article-de-base64-unreadable t]
4082 ["Treat html" gnus-article-wash-html t]
4083 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4084 ["Decode HZ" gnus-article-decode-HZ t]))
4086 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4088 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4090 (gnus-run-hooks 'gnus-article-menu-hook)))
4092 (defun gnus-article-mode ()
4093 "Major mode for displaying an article.
4095 All normal editing commands are switched off.
4097 The following commands are available in addition to all summary mode
4099 \\<gnus-article-mode-map>
4100 \\[gnus-article-next-page]\t Scroll the article one page forwards
4101 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4102 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4103 \\[gnus-article-show-summary]\t Display the summary buffer
4104 \\[gnus-article-mail]\t Send a reply to the address near point
4105 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4106 \\[gnus-info-find-node]\t Go to the Gnus info node"
4108 (kill-all-local-variables)
4109 (gnus-simplify-mode-line)
4110 (setq mode-name "Article")
4111 (setq major-mode 'gnus-article-mode)
4112 (make-local-variable 'minor-mode-alist)
4113 (use-local-map gnus-article-mode-map)
4114 (when (gnus-visual-p 'article-menu 'menu)
4115 (gnus-article-make-menu-bar)
4116 (when gnus-summary-tool-bar-map
4117 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4118 (gnus-update-format-specifications nil 'article-mode)
4119 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4120 (set (make-local-variable 'gnus-page-broken) nil)
4121 (make-local-variable 'gnus-button-marker-list)
4122 (make-local-variable 'gnus-article-current-summary)
4123 (make-local-variable 'gnus-article-mime-handles)
4124 (make-local-variable 'gnus-article-decoded-p)
4125 (make-local-variable 'gnus-article-mime-handle-alist)
4126 (make-local-variable 'gnus-article-wash-types)
4127 (make-local-variable 'gnus-article-image-alist)
4128 (make-local-variable 'gnus-article-charset)
4129 (make-local-variable 'gnus-article-ignored-charsets)
4130 ;; Prevent Emacs 22 from displaying non-break space with `nobreak-space'
4132 (set (make-local-variable 'nobreak-char-display) nil)
4133 (setq cursor-in-non-selected-windows nil)
4134 (setq truncate-lines gnus-article-truncate-lines)
4135 (gnus-set-default-directory)
4136 (buffer-disable-undo)
4137 (setq buffer-read-only t
4138 show-trailing-whitespace nil)
4139 (set-syntax-table gnus-article-mode-syntax-table)
4140 (mm-enable-multibyte)
4141 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4143 (defvar gnus-button-marker-list nil
4144 "Regexp matching any of the regexps from `gnus-button-alist'.
4145 Internal variable.")
4147 (defun gnus-article-setup-buffer ()
4148 "Initialize the article buffer."
4149 (let* ((name (if gnus-single-article-buffer "*Article*"
4150 (concat "*Article " gnus-newsgroup-name "*")))
4152 (progn (string-match "\\*Article" name)
4153 (concat " *Original Article"
4154 (substring name (match-end 0))))))
4155 (setq gnus-article-buffer name)
4156 (setq gnus-original-article-buffer original)
4157 (setq gnus-article-mime-handle-alist nil)
4158 (with-current-buffer gnus-summary-buffer
4159 ;; This might be a variable local to the summary buffer.
4160 (unless gnus-single-article-buffer
4161 (setq gnus-article-buffer name)
4162 (setq gnus-original-article-buffer original)
4163 (gnus-set-global-variables)))
4164 (gnus-article-setup-highlight-words)
4165 ;; Init original article buffer.
4167 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4168 (mm-enable-multibyte)
4169 (setq major-mode 'gnus-original-article-mode)
4170 (make-local-variable 'gnus-original-article))
4171 (if (and (get-buffer name)
4172 (with-current-buffer name
4173 (if gnus-article-edit-mode
4174 (if (y-or-n-p "Article mode edit in progress; discard? ")
4176 (set-buffer-modified-p nil)
4177 (gnus-kill-buffer name)
4180 (error "Action aborted"))
4184 (set (make-local-variable 'gnus-article-edit-mode) nil)
4185 (when gnus-article-mime-handles
4186 (mm-destroy-parts gnus-article-mime-handles)
4187 (setq gnus-article-mime-handles nil))
4188 ;; Set it to nil in article-buffer!
4189 (setq gnus-article-mime-handle-alist nil)
4190 (buffer-disable-undo)
4191 (setq buffer-read-only t)
4192 ;; This list just keeps growing if we don't reset it.
4193 (setq gnus-button-marker-list nil)
4194 (unless (eq major-mode 'gnus-article-mode)
4195 (gnus-article-mode))
4198 (set-buffer (gnus-get-buffer-create name))
4200 (make-local-variable 'gnus-summary-buffer)
4201 (setq gnus-summary-buffer
4202 (gnus-summary-buffer-name gnus-newsgroup-name))
4203 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4204 (current-buffer)))))
4206 ;; Set article window start at LINE, where LINE is the number of lines
4207 ;; from the head of the article.
4208 (defun gnus-article-set-window-start (&optional line)
4209 (let ((article-window (gnus-get-buffer-window gnus-article-buffer t)))
4210 (when article-window
4214 (set-buffer gnus-article-buffer)
4215 (goto-char (point-min))
4218 (gnus-message 6 "Moved to bookmark")
4219 (search-forward "\n\n" nil t)
4223 (defun gnus-article-prepare (article &optional all-headers header)
4224 "Prepare ARTICLE in article mode buffer.
4225 ARTICLE should either be an article number or a Message-ID.
4226 If ARTICLE is an id, HEADER should be the article headers.
4227 If ALL-HEADERS is non-nil, no headers are hidden."
4229 ;; Make sure we start in a summary buffer.
4230 (unless (eq major-mode 'gnus-summary-mode)
4231 (set-buffer gnus-summary-buffer))
4232 (setq gnus-summary-buffer (current-buffer))
4233 (let* ((gnus-article (if header (mail-header-number header) article))
4234 (summary-buffer (current-buffer))
4235 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4236 (group gnus-newsgroup-name)
4239 (gnus-article-setup-buffer)
4240 (set-buffer gnus-article-buffer)
4241 ;; Deactivate active regions.
4242 (when (and (boundp 'transient-mark-mode)
4243 transient-mark-mode)
4244 (setq mark-active nil))
4245 (if (not (setq result (let ((inhibit-read-only t))
4246 (gnus-request-article-this-buffer
4248 ;; There is no such article.
4250 (when (and (numberp article)
4251 (not (memq article gnus-newsgroup-sparse)))
4252 (setq gnus-article-current
4253 (cons gnus-newsgroup-name article))
4254 (set-buffer gnus-summary-buffer)
4255 (setq gnus-current-article article)
4256 (if (and (memq article gnus-newsgroup-undownloaded)
4257 (not (gnus-online (gnus-find-method-for-group
4258 gnus-newsgroup-name))))
4260 (gnus-summary-set-agent-mark article)
4261 (message "Message marked for downloading"))
4262 (gnus-summary-mark-article article gnus-canceled-mark)
4263 (unless (memq article gnus-newsgroup-sparse)
4264 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4265 (if (or (eq result 'pseudo)
4266 (eq result 'nneething))
4269 (set-buffer summary-buffer)
4270 (push article gnus-newsgroup-history)
4271 (setq gnus-last-article gnus-current-article
4272 gnus-current-article 0
4273 gnus-current-headers nil
4274 gnus-article-current nil)
4275 (if (eq result 'nneething)
4276 (gnus-configure-windows 'summary)
4277 (gnus-configure-windows 'article))
4278 (gnus-set-global-variables))
4279 (let ((gnus-article-mime-handle-alist-1
4280 gnus-article-mime-handle-alist))
4281 (gnus-set-mode-line 'article)))
4282 ;; The result from the `request' was an actual article -
4283 ;; or at least some text that is now displayed in the
4285 (when (and (numberp article)
4286 (not (eq article gnus-current-article)))
4287 ;; Seems like a new article has been selected.
4288 ;; `gnus-current-article' must be an article number.
4290 (set-buffer summary-buffer)
4291 (push article gnus-newsgroup-history)
4292 (setq gnus-last-article gnus-current-article
4293 gnus-current-article article
4294 gnus-current-headers
4295 (gnus-summary-article-header gnus-current-article)
4296 gnus-article-current
4297 (cons gnus-newsgroup-name gnus-current-article))
4298 (unless (vectorp gnus-current-headers)
4299 (setq gnus-current-headers nil))
4300 (gnus-summary-goto-subject gnus-current-article)
4301 (when (gnus-summary-show-thread)
4302 ;; If the summary buffer really was folded, the
4303 ;; previous goto may not actually have gone to
4304 ;; the right article, but the thread root instead.
4306 (gnus-summary-goto-subject gnus-current-article))
4307 (gnus-run-hooks 'gnus-mark-article-hook)
4308 (gnus-set-mode-line 'summary)
4309 (when (gnus-visual-p 'article-highlight 'highlight)
4310 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4311 ;; Set the global newsgroup variables here.
4312 (gnus-set-global-variables)
4313 (setq gnus-have-all-headers
4314 (or all-headers gnus-show-all-headers))))
4316 (gnus-configure-windows 'article))
4317 (when (or (numberp article)
4319 (gnus-article-prepare-display)
4321 (goto-char (point-min))
4322 (when gnus-break-pages
4323 (gnus-narrow-to-page)))
4324 (let ((gnus-article-mime-handle-alist-1
4325 gnus-article-mime-handle-alist))
4326 (gnus-set-mode-line 'article))
4330 (set-window-point (get-buffer-window (current-buffer)) (point))
4331 (gnus-configure-windows 'article)
4335 (defun gnus-article-prepare-display ()
4336 "Make the current buffer look like a nice article."
4337 ;; Hooks for getting information from the article.
4338 ;; This hook must be called before being narrowed.
4339 (let ((gnus-article-buffer (current-buffer))
4341 (inhibit-read-only t))
4342 (unless (eq major-mode 'gnus-article-mode)
4343 (gnus-article-mode))
4344 (setq buffer-read-only nil
4345 gnus-article-wash-types nil
4346 gnus-article-image-alist nil)
4347 (gnus-run-hooks 'gnus-tmp-internal-hook)
4348 (when gnus-display-mime-function
4349 (funcall gnus-display-mime-function))
4350 (gnus-run-hooks 'gnus-article-prepare-hook)))
4353 ;;; Gnus Sticky Article Mode
4356 (define-derived-mode gnus-sticky-article-mode gnus-article-mode "StickyArticle"
4357 "Mode for sticky articles."
4358 ;; Release bindings that won't work.
4359 (substitute-key-definition 'gnus-article-read-summary-keys 'undefined
4360 gnus-sticky-article-mode-map)
4361 (substitute-key-definition 'gnus-article-refer-article 'undefined
4362 gnus-sticky-article-mode-map)
4363 (dolist (k '("e" "h" "s" "F" "R"))
4364 (define-key gnus-sticky-article-mode-map k nil))
4365 (define-key gnus-sticky-article-mode-map "k" 'gnus-kill-sticky-article-buffer)
4366 (define-key gnus-sticky-article-mode-map "q" 'bury-buffer)
4367 (define-key gnus-sticky-article-mode-map "\C-hc" 'describe-key-briefly)
4368 (define-key gnus-sticky-article-mode-map "\C-hk" 'describe-key))
4370 (defun gnus-sticky-article (arg)
4371 "Make the current article sticky.
4372 If a prefix ARG is given, ask for a name for this sticky article buffer."
4374 (gnus-summary-show-thread)
4375 (gnus-summary-select-article nil nil 'pseudo)
4376 (let (new-art-buf-name)
4377 (gnus-eval-in-buffer-window gnus-article-buffer
4378 (setq new-art-buf-name
4382 (read-from-minibuffer "Sticky article buffer name: ")
4383 (gnus-with-article-headers
4384 (gnus-article-goto-header "subject")
4385 (setq new-art-buf-name
4386 (buffer-substring-no-properties
4387 (line-beginning-position) (line-end-position)))
4388 (goto-char (point-min))
4389 (gnus-article-goto-header "from")
4390 (setq new-art-buf-name
4392 new-art-buf-name ", "
4393 (buffer-substring-no-properties
4394 (line-beginning-position) (line-end-position))))
4395 (goto-char (point-min))
4396 (gnus-article-goto-header "date")
4397 (setq new-art-buf-name
4399 new-art-buf-name ", "
4400 (buffer-substring-no-properties
4401 (line-beginning-position) (line-end-position))))))
4403 (if (and (gnus-buffer-live-p new-art-buf-name)
4404 (with-current-buffer new-art-buf-name
4405 (eq major-mode 'gnus-sticky-article-mode)))
4406 (switch-to-buffer new-art-buf-name)
4407 (setq new-art-buf-name (rename-buffer new-art-buf-name t)))
4408 (gnus-sticky-article-mode))
4409 (setq gnus-article-buffer new-art-buf-name))
4410 (gnus-summary-recenter)
4411 (gnus-summary-position-point))
4413 (defun gnus-kill-sticky-article-buffer (&optional buffer)
4414 "Kill the given sticky article BUFFER.
4415 If none is given, assume the current buffer and kill it if it has
4416 `gnus-sticky-article-mode'."
4419 (setq buffer (current-buffer)))
4420 (with-current-buffer buffer
4421 (when (eq major-mode 'gnus-sticky-article-mode)
4422 (gnus-kill-buffer buffer))))
4424 (defun gnus-kill-sticky-article-buffers (arg)
4425 "Kill all sticky article buffers.
4426 If a prefix ARG is given, ask for confirmation."
4428 (dolist (buf (gnus-buffers))
4429 (with-current-buffer buf
4430 (when (eq major-mode 'gnus-sticky-article-mode)
4432 (gnus-kill-buffer buf)
4433 (when (yes-or-no-p (concat "Kill buffer " (buffer-name buf) "? "))
4434 (gnus-kill-buffer buf)))))))
4437 ;;; Gnus MIME viewing functions
4440 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4441 "Format of the MIME buttons.
4443 Valid specifiers include:
4445 %T MIME type, along with additional info
4446 %n The `name' parameter
4447 %d The description, if any
4448 %l The length of the encoded part
4449 %p The part identifier number
4450 %e Dots if the part isn't displayed
4452 General format specifiers can also be used. See Info node
4453 `(gnus)Formatting Variables'.")
4455 (defvar gnus-mime-button-line-format-alist
4456 '((?t gnus-tmp-type ?s)
4457 (?T gnus-tmp-type-long ?s)
4458 (?n gnus-tmp-name ?s)
4459 (?d gnus-tmp-description ?s)
4461 (?l gnus-tmp-length ?d)
4462 (?e gnus-tmp-dots ?s)))
4464 (defvar gnus-mime-button-commands
4465 '((gnus-article-press-button "\r" "Toggle Display")
4466 (gnus-mime-view-part "v" "View Interactively...")
4467 (gnus-mime-view-part-as-type "t" "View As Type...")
4468 (gnus-mime-view-part-as-charset "C" "View As charset...")
4469 (gnus-mime-save-part "o" "Save...")
4470 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4471 (gnus-mime-replace-part "r" "Replace part")
4472 (gnus-mime-delete-part "d" "Delete part")
4473 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4474 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4475 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4476 (gnus-mime-view-part-externally "e" "View Externally")
4477 (gnus-mime-print-part "p" "Print")
4478 (gnus-mime-pipe-part "|" "Pipe To Command...")
4479 (gnus-mime-action-on-part "." "Take action on the part...")))
4481 (defun gnus-article-mime-part-status ()
4482 (if gnus-article-mime-handle-alist-1
4483 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4485 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4488 (defvar gnus-mime-button-map
4489 (let ((map (make-sparse-keymap)))
4490 (define-key map gnus-mouse-2 'gnus-article-push-button)
4491 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4492 (dolist (c gnus-mime-button-commands)
4493 (define-key map (cadr c) (car c)))
4497 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4499 ,@(mapcar (lambda (c)
4500 (vector (caddr c) (car c) :active t))
4501 gnus-mime-button-commands)))
4503 (defun gnus-mime-button-menu (event prefix)
4504 "Construct a context-sensitive menu of MIME commands."
4505 (interactive "e\nP")
4506 (save-window-excursion
4507 (let ((pos (event-start event)))
4508 (select-window (posn-window pos))
4509 (goto-char (posn-point pos))
4510 (gnus-article-check-buffer)
4511 (popup-menu gnus-mime-button-menu nil prefix))))
4513 (defun gnus-mime-view-all-parts (&optional handles)
4514 "View all the MIME parts."
4516 (with-current-buffer gnus-article-buffer
4517 (let ((handles (or handles gnus-article-mime-handles))
4518 (mail-parse-charset gnus-newsgroup-charset)
4519 (mail-parse-ignored-charsets
4520 (with-current-buffer gnus-summary-buffer
4521 gnus-newsgroup-ignored-charsets)))
4523 (mm-remove-parts handles)
4524 (goto-char (point-min))
4525 (or (search-forward "\n\n") (goto-char (point-max)))
4526 (let ((inhibit-read-only t))
4527 (delete-region (point) (point-max))
4528 (mm-display-parts handles))))))
4530 (defun gnus-article-jump-to-part (n)
4531 "Jump to MIME part N."
4533 (pop-to-buffer gnus-article-buffer)
4534 ;; FIXME: why is it necessary?
4536 (let ((parts (length gnus-article-mime-handle-alist)))
4539 (read-string ;; Emacs 21 doesn't have `read-number'.
4540 (format "Jump to part (2..%s): " parts)))))
4541 (unless (and (integerp n) (<= n parts) (>= n 1))
4544 (gnus-message 7 "Invalid part `%s', using %s instead."
4547 (gnus-message 9 "Jumping to part %s." n)
4548 (cond ((>= gnus-auto-select-part 1)
4549 (while (and (<= n parts)
4550 (not (gnus-article-goto-part n)))
4552 ((< gnus-auto-select-part 0)
4553 (while (and (>= n 1)
4554 (not (gnus-article-goto-part n)))
4557 (gnus-article-goto-part n)))))
4560 (defsubst gnus-article-edit-part (handles &optional current-id)
4561 "Edit an article in order to delete a mime part.
4562 This function is exclusively used by `gnus-mime-save-part-and-strip'
4563 and `gnus-mime-delete-part', and not provided at run-time normally."
4564 (gnus-article-edit-article
4566 (buffer-disable-undo)
4568 (let ((mail-parse-charset (or gnus-article-charset
4569 ',gnus-newsgroup-charset))
4570 (mail-parse-ignored-charsets
4571 (or gnus-article-ignored-charsets
4572 ',gnus-newsgroup-ignored-charsets))
4573 (mbl mml-buffer-list))
4574 (setq mml-buffer-list nil)
4575 (insert-buffer-substring gnus-original-article-buffer)
4576 (mime-to-mml ',handles)
4577 (setq gnus-article-mime-handles nil)
4578 (let ((mbl1 mml-buffer-list))
4579 (setq mml-buffer-list mbl)
4580 (set (make-local-variable 'mml-buffer-list) mbl1))
4581 (gnus-make-local-hook 'kill-buffer-hook)
4582 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4583 `(lambda (no-highlight)
4584 (let ((mail-parse-charset (or gnus-article-charset
4585 ',gnus-newsgroup-charset))
4586 (message-options message-options)
4587 (message-options-set-recipient)
4588 (mail-parse-ignored-charsets
4589 (or gnus-article-ignored-charsets
4590 ',gnus-newsgroup-ignored-charsets)))
4592 (mml-destroy-buffers)
4593 (remove-hook 'kill-buffer-hook
4594 'mml-destroy-buffers t)
4595 (kill-local-variable 'mml-buffer-list))
4596 (gnus-summary-edit-article-done
4597 ,(or (mail-header-references gnus-current-headers) "")
4598 ,(gnus-group-read-only-p)
4599 ,gnus-summary-buffer no-highlight))
4601 (gnus-article-edit-done)
4602 (gnus-summary-expand-window)
4603 (gnus-summary-show-article)
4604 (when (and current-id (integerp gnus-auto-select-part))
4605 (gnus-article-jump-to-part
4606 (if (text-property-any (point-min) (point-max)
4607 'gnus-part (+ current-id gnus-auto-select-part))
4608 (+ current-id gnus-auto-select-part)
4609 (with-current-buffer gnus-article-buffer
4610 (length gnus-article-mime-handle-alist)))))))
4612 (defun gnus-mime-replace-part (file)
4613 "Replace MIME part under point with an external body."
4614 ;; Useful if file has already been saved to disk
4618 (read-file-name "Replace MIME part with file: "
4619 (or mm-default-directory default-directory)
4621 (gnus-mime-save-part-and-strip file))
4623 (defun gnus-mime-save-part-and-strip (&optional file)
4624 "Save the MIME part under point then replace it with an external body.
4625 If FILE is given, use it for the external part."
4627 (gnus-article-check-buffer)
4628 (when (gnus-group-read-only-p)
4629 (error "The current group does not support deleting of parts"))
4630 (when (mm-complicated-handles gnus-article-mime-handles)
4632 The current article has a complicated MIME structure, giving up..."))
4633 (let* ((data (get-text-property (point) 'gnus-data))
4634 (id (get-text-property (point) 'gnus-part))
4636 (handles gnus-article-mime-handles))
4639 (and data (mm-save-part data "Delete MIME part and save to: "))))
4641 (with-current-buffer (mm-handle-buffer data)
4643 (insert "Content-Type: " (mm-handle-media-type data))
4644 (mml-insert-parameter-string (cdr (mm-handle-type data))
4646 ;; Add a filename for the sake of saving the part again.
4647 (mml-insert-parameter
4648 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4650 (insert "Content-ID: " (message-make-message-id) "\n")
4651 (insert "Content-Transfer-Encoding: binary\n")
4654 (cdr (mm-make-handle nil
4655 `("message/external-body"
4656 (access-type . "LOCAL-FILE")
4658 ;; (set-buffer gnus-summary-buffer)
4659 (gnus-article-edit-part handles id))))
4661 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4662 ;; parts...>') but with stripping would be nice.
4664 (defun gnus-mime-delete-part ()
4665 "Delete the MIME part under point.
4666 Replace it with some information about the removed part."
4668 (gnus-article-check-buffer)
4669 (when (gnus-group-read-only-p)
4670 (error "The current group does not support deleting of parts"))
4671 (when (mm-complicated-handles gnus-article-mime-handles)
4673 The current article has a complicated MIME structure, giving up..."))
4674 (when (or gnus-expert-user
4675 (gnus-yes-or-no-p "\
4676 Deleting parts may malfunction or destroy the article; continue? "))
4677 (let* ((data (get-text-property (point) 'gnus-data))
4678 (id (get-text-property (point) 'gnus-part))
4679 (handles gnus-article-mime-handles)
4682 (mail-decode-encoded-word-string (or (mm-handle-description data)
4685 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4687 (type (mm-handle-media-type data)))
4689 (error "No MIME part under point"))
4690 (with-current-buffer (mm-handle-buffer data)
4691 (let ((bsize (format "%s" (buffer-size))))
4696 "| The following attachment has been deleted:\n"
4698 "| Type: " type "\n"
4699 "| Filename: " filename "\n"
4700 "| Size (encoded): " bsize " Byte\n"
4701 "| Description: " description "\n"
4704 (cdr (mm-make-handle
4705 nil `("text/plain") nil nil
4707 (format "Deleted attachment (%s bytes)" bsize))))))
4708 ;; (set-buffer gnus-summary-buffer)
4709 (gnus-article-edit-part handles id))))
4711 (defun gnus-mime-save-part ()
4712 "Save the MIME part under point."
4714 (gnus-article-check-buffer)
4715 (let ((data (get-text-property (point) 'gnus-data)))
4717 (mm-save-part data))))
4719 (defun gnus-mime-pipe-part ()
4720 "Pipe the MIME part under point to a process."
4722 (gnus-article-check-buffer)
4723 (let ((data (get-text-property (point) 'gnus-data)))
4725 (mm-pipe-part data))))
4727 (defun gnus-mime-view-part ()
4728 "Interactively choose a viewing method for the MIME part under point."
4730 (gnus-article-check-buffer)
4731 (let ((data (get-text-property (point) 'gnus-data)))
4733 (setq gnus-article-mime-handles
4735 gnus-article-mime-handles (setq data (copy-sequence data))))
4736 (mm-interactively-view-part data))))
4738 (defun gnus-mime-view-part-as-type-internal ()
4739 (gnus-article-check-buffer)
4740 (let* ((handle (get-text-property (point) 'gnus-data))
4742 ;; Content-Type: foo/bar; name=...
4743 (mail-content-type-get (mm-handle-type handle) 'name)
4744 ;; Content-Disposition: attachment; filename=...
4745 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4746 (def-type (and name (mm-default-file-encoding name))))
4747 (or (and def-type (cons def-type 0))
4749 (equal (mm-handle-media-supertype handle) "text")
4750 '("text/plain" . 0))
4751 '("application/octet-stream" . 0))))
4753 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
4754 "Choose a MIME media type, and view the part as such.
4755 If non-nil, PRED is a predicate to use during completion to limit the
4756 available media-types."
4760 (let ((default (gnus-mime-view-part-as-type-internal)))
4762 (format "View as MIME type (default %s): "
4764 (mapcar #'list (mailcap-mime-types))
4767 (gnus-article-check-buffer)
4768 (let ((handle (get-text-property (point) 'gnus-data)))
4770 (when (equal (mm-handle-media-type handle) "message/external-body")
4771 (unless (mm-handle-cache handle)
4772 (mm-extern-cache-contents handle))
4773 (setq handle (mm-handle-cache handle)))
4775 (mm-make-handle (mm-handle-buffer handle)
4776 (cons mime-type (cdr (mm-handle-type handle)))
4777 (mm-handle-encoding handle)
4778 (mm-handle-undisplayer handle)
4779 (mm-handle-disposition handle)
4780 (mm-handle-description handle)
4782 (mm-handle-id handle)))
4783 (setq gnus-article-mime-handles
4784 (mm-merge-handles gnus-article-mime-handles handle))
4785 (when (mm-handle-displayed-p handle)
4786 (mm-remove-part handle))
4787 (gnus-mm-display-part handle))))
4789 (defun gnus-mime-copy-part (&optional handle arg)
4790 "Put the MIME part under point into a new buffer.
4791 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4793 (interactive (list nil current-prefix-arg))
4794 (gnus-article-check-buffer)
4796 (setq handle (get-text-property (point) 'gnus-data)))
4798 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
4800 (mail-content-type-get (mm-handle-disposition handle)
4802 contents dont-decode charset coding-system)
4803 (mm-with-unibyte-buffer
4804 (mm-insert-part handle)
4805 (setq contents (or (condition-case nil
4806 (mm-decompress-buffer filename nil 'sig)
4808 (setq dont-decode t)
4811 (setq filename (cond (filename (file-name-nondirectory filename))
4812 (dont-decode "*raw data*")
4817 (unless (setq charset (mail-content-type-get
4818 (mm-handle-type handle) 'charset))
4819 (unless (setq coding-system (mm-with-unibyte-buffer
4821 (mm-find-buffer-file-coding-system)))
4822 (setq charset gnus-newsgroup-charset))))
4824 (setq charset (or (cdr (assq arg
4825 gnus-summary-show-article-charset-alist))
4826 (mm-read-coding-system "Charset: ")))))
4827 (switch-to-buffer (generate-new-buffer filename))
4828 (if (or coding-system
4830 (setq coding-system (mm-charset-to-coding-system charset))
4831 (not (eq charset 'ascii))))
4833 (mm-enable-multibyte)
4834 (insert (mm-decode-coding-string contents coding-system))
4835 (setq buffer-file-coding-system
4836 (if (boundp 'last-coding-system-used)
4837 (symbol-value 'last-coding-system-used)
4839 (mm-disable-multibyte)
4841 (setq buffer-file-coding-system mm-binary-coding-system))
4842 ;; We do it this way to make `normal-mode' set the appropriate mode.
4845 (setq buffer-file-name (expand-file-name filename))
4847 (setq buffer-file-name nil))
4848 (goto-char (point-min)))))
4850 (defun gnus-mime-print-part (&optional handle filename)
4851 "Print the MIME part under point."
4852 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4853 (gnus-article-check-buffer)
4854 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4855 (contents (and handle (mm-get-part handle)))
4856 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4857 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4862 (mm-save-part-to-file handle file)
4863 (call-process shell-file-name nil
4864 (generate-new-buffer " *mm*")
4866 shell-command-switch
4868 printer file (mm-handle-type handle))))
4872 (gnus-print-buffer))
4873 (ps-despool filename)))))
4875 (defun gnus-mime-inline-part (&optional handle arg)
4876 "Insert the MIME part under point into the current buffer.
4877 Compressed files like .gz and .bz2 are decompressed."
4878 (interactive (list nil current-prefix-arg))
4879 (gnus-article-check-buffer)
4881 (setq handle (get-text-property (point) 'gnus-data)))
4884 (inhibit-read-only t)
4885 contents charset coding-system)
4886 (if (and (not arg) (mm-handle-undisplayer handle))
4887 (mm-remove-part handle)
4888 (mm-with-unibyte-buffer
4889 (mm-insert-part handle)
4891 (or (mm-decompress-buffer
4892 (or (mail-content-type-get (mm-handle-type handle)
4894 (mail-content-type-get (mm-handle-disposition handle)
4900 (unless (setq charset (mail-content-type-get
4901 (mm-handle-type handle) 'charset))
4902 (unless (setq coding-system
4903 (mm-with-unibyte-buffer
4905 (mm-find-buffer-file-coding-system)))
4906 (setq charset gnus-newsgroup-charset))))
4908 (if (mm-handle-undisplayer handle)
4909 (mm-remove-part handle))
4912 gnus-summary-show-article-charset-alist))
4913 (mm-read-coding-system "Charset: "))))
4915 (if (mm-handle-undisplayer handle)
4916 (mm-remove-part handle))))
4920 (if (or coding-system
4923 (mm-charset-to-coding-system charset))
4924 (not (eq coding-system 'ascii))))
4925 (mm-decode-coding-string contents coding-system)
4926 (mm-string-to-multibyte contents)))
4929 (defun gnus-mime-strip-charset-parameters (handle)
4930 "Strip charset parameters from HANDLE."
4931 (if (stringp (car handle))
4932 (mapc #'gnus-mime-strip-charset-parameters (cdr handle))
4933 (let* ((type (mm-handle-type (if (equal (mm-handle-media-type handle)
4934 "message/external-body")
4936 (unless (mm-handle-cache handle)
4937 (mm-extern-cache-contents handle))
4938 (mm-handle-cache handle))
4940 (charset (assq 'charset (cdr type))))
4942 (delq charset type)))))
4944 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4945 "Insert the MIME part under point into the current buffer using the
4947 (interactive (list nil current-prefix-arg))
4948 (gnus-article-check-buffer)
4949 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
4950 (fun (get-text-property (point) 'gnus-callback))
4951 (gnus-newsgroup-ignored-charsets 'gnus-all)
4952 gnus-newsgroup-charset form preferred parts)
4956 (setq gnus-newsgroup-charset
4959 gnus-summary-show-article-charset-alist))
4960 (mm-read-coding-system "Charset: "))))
4961 (if (mm-handle-undisplayer handle)
4962 (mm-remove-part handle)))
4963 (gnus-mime-strip-charset-parameters handle)
4964 (when (and (consp (setq form (cdr-safe fun)))
4965 (setq form (ignore-errors
4966 (assq 'gnus-mime-display-alternative form)))
4967 (setq preferred (caddr form))
4969 (when (eq (car preferred) 'quote)
4970 (setq preferred (cadr preferred)))
4971 (not (equal preferred
4972 (get-text-property (point) 'gnus-data))))
4973 (setq parts (get-text-property (point) 'gnus-part))
4974 (setq parts (cdr (assq parts
4975 gnus-article-mime-handle-alist)))
4976 (equal (mm-handle-media-type parts) "multipart/alternative")
4977 (setq parts (reverse (cdr parts))))
4979 (list 'quote (or (cadr (member preferred parts))
4981 (funcall fun handle)))))
4983 (defun gnus-mime-view-part-externally (&optional handle)
4984 "View the MIME part under point with an external viewer."
4986 (gnus-article-check-buffer)
4987 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4988 (mm-user-display-methods nil)
4989 (mm-inlined-types nil)
4990 (mail-parse-charset gnus-newsgroup-charset)
4991 (mail-parse-ignored-charsets
4992 (with-current-buffer gnus-summary-buffer
4993 gnus-newsgroup-ignored-charsets))
4994 (type (mm-handle-media-type handle))
4995 (method (mailcap-mime-info type))
4996 (mm-enable-external t))
4997 (if (not (stringp method))
4998 (gnus-mime-view-part-as-type
4999 nil (lambda (types) (stringp (mailcap-mime-info (car types)))))
5001 (if (mm-handle-undisplayer handle)
5002 (mm-remove-part handle)
5003 (mm-display-part handle))))))
5005 (defun gnus-mime-view-part-internally (&optional handle)
5006 "View the MIME part under point with an internal viewer.
5007 If no internal viewer is available, use an external viewer."
5009 (gnus-article-check-buffer)
5010 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5011 (mm-inlined-types '(".*"))
5012 (mm-inline-large-images t)
5013 (mail-parse-charset gnus-newsgroup-charset)
5014 (mail-parse-ignored-charsets
5015 (with-current-buffer gnus-summary-buffer
5016 gnus-newsgroup-ignored-charsets))
5017 (inhibit-read-only t))
5018 (if (not (mm-inlinable-p handle))
5019 (gnus-mime-view-part-as-type
5020 nil (lambda (types) (mm-inlinable-p handle (car types))))
5022 (if (mm-handle-undisplayer handle)
5023 (mm-remove-part handle)
5024 (mm-display-part handle))))))
5026 (defun gnus-mime-action-on-part (&optional action)
5027 "Do something with the MIME attachment at \(point\)."
5029 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
5030 (gnus-article-check-buffer)
5031 (let ((action-pair (assoc action gnus-mime-action-alist)))
5033 (funcall (cdr action-pair)))))
5035 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
5036 "Call FUNCTION on MIME part N.
5037 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
5038 If INTERACTIVE, call FUNCTION interactivly."
5040 ;; Check whether the article is displayed.
5041 (unless (and (gnus-buffer-live-p gnus-article-buffer)
5042 (setq window (get-buffer-window gnus-article-buffer t))
5043 (frame-visible-p (setq frame (window-frame window))))
5044 (error "No article is displayed"))
5045 (with-current-buffer gnus-article-buffer
5046 ;; Check whether the article displays the right contents.
5047 (unless (with-current-buffer gnus-summary-buffer
5048 (eq gnus-current-article (gnus-summary-article-number)))
5049 (error "You should select the right article first"))
5051 (setq n (prefix-numeric-value n))
5053 (setq n (or (get-text-property pt 'gnus-part)
5055 (get-text-property (1- pt) 'gnus-part))
5056 (get-text-property (prog2
5062 (or (and (setq pt (previous-single-property-change
5065 (next-single-property-change (point) 'gnus-part)
5069 ;; Check whether the specified part exists.
5070 (when (> n (length gnus-article-mime-handle-alist))
5071 (error "No such part")))
5074 ;; To select the window is needed so that the cursor
5075 ;; might be visible on the MIME button.
5076 (select-window (prog1
5078 (setq window (selected-window))
5079 ;; Article may be displayed in the other frame.
5080 (gnus-select-frame-set-input-focus
5083 (setq frame (selected-frame))))))
5084 (when (gnus-article-goto-part n)
5085 ;; We point the cursor and the arrow at the MIME button
5086 ;; when the `function' prompt the user for something.
5087 (let ((cursor-in-non-selected-windows t)
5088 (overlay-arrow-string "=>")
5089 (overlay-arrow-position (point-marker)))
5092 ((and no-handle interactive)
5093 (call-interactively function))
5099 (cdr (assq n gnus-article-mime-handle-alist))))
5102 (cdr (assq n gnus-article-mime-handle-alist)))))
5103 (set-marker overlay-arrow-position nil)
5104 (unless gnus-auto-select-part
5105 (gnus-select-frame-set-input-focus frame)
5106 (select-window window))))
5108 (if gnus-inhibit-mime-unbuttonizing
5109 ;; This is the default though the program shouldn't reach here.
5110 (error "No such part")
5111 ;; The part which doesn't have the MIME button is selected.
5112 ;; So, we display all the buttons and redo it.
5113 (let ((gnus-inhibit-mime-unbuttonizing t))
5114 (gnus-summary-show-article)
5115 (gnus-article-part-wrapper n function no-handle))))))
5117 (defun gnus-article-pipe-part (n)
5118 "Pipe MIME part N, which is the numerical prefix."
5120 (gnus-article-part-wrapper n 'mm-pipe-part))
5122 (defun gnus-article-save-part (n)
5123 "Save MIME part N, which is the numerical prefix."
5125 (gnus-article-part-wrapper n 'mm-save-part))
5127 (defun gnus-article-interactively-view-part (n)
5128 "View MIME part N interactively, which is the numerical prefix."
5130 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5132 (defun gnus-article-copy-part (n)
5133 "Copy MIME part N, which is the numerical prefix."
5135 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5137 (defun gnus-article-view-part-as-charset (n)
5138 "View MIME part N using a specified charset.
5139 N is the numerical prefix."
5141 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5143 (defun gnus-article-view-part-externally (n)
5144 "View MIME part N externally, which is the numerical prefix."
5146 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5148 (defun gnus-article-inline-part (n)
5149 "Inline MIME part N, which is the numerical prefix."
5151 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5153 (defun gnus-article-save-part-and-strip (n)
5154 "Save MIME part N and replace it with an external body.
5155 N is the numerical prefix."
5157 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5159 (defun gnus-article-replace-part (n)
5160 "Replace MIME part N with an external body.
5161 N is the numerical prefix."
5163 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5165 (defun gnus-article-delete-part (n)
5166 "Delete MIME part N and add some information about the removed part.
5167 N is the numerical prefix."
5169 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5171 (defun gnus-article-view-part-as-type (n)
5172 "Choose a MIME media type, and view part N as such.
5173 N is the numerical prefix."
5175 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
5177 (defun gnus-article-mime-match-handle-first (condition)
5180 (dolist (ihandle gnus-article-mime-handle-alist)
5182 ((functionp condition)
5183 (funcall condition (cdr ihandle)))
5184 ((eq condition 'undisplayed)
5185 (not (or (mm-handle-undisplayer (cdr ihandle))
5186 (equal (mm-handle-media-type (cdr ihandle))
5187 "multipart/alternative"))))
5188 ((eq condition 'undisplayed-alternative)
5189 (not (mm-handle-undisplayer (cdr ihandle))))
5191 (gnus-article-goto-part (car ihandle))
5192 (or (not n) (< (car ihandle) n)))
5193 (setq n (car ihandle))))
5197 (defun gnus-article-view-part (&optional n)
5198 "View MIME part N, which is the numerical prefix."
5200 (with-current-buffer gnus-article-buffer
5201 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5202 gnus-article-mime-match-handle-function)))
5203 (when (> n (length gnus-article-mime-handle-alist))
5204 (error "No such part"))
5205 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5206 (when (gnus-article-goto-part n)
5207 (if (equal (car handle) "multipart/alternative")
5208 (gnus-article-press-button)
5209 (when (eq (gnus-mm-display-part handle) 'internal)
5210 (gnus-set-window-start)))))))
5212 (defsubst gnus-article-mime-total-parts ()
5213 (if (bufferp (car gnus-article-mime-handles))
5215 (1- (length gnus-article-mime-handles))))
5217 (defun gnus-mm-display-part (handle)
5218 "Display HANDLE and fix MIME button."
5219 (let ((id (get-text-property (point) 'gnus-part))
5221 (inhibit-read-only t))
5224 (let ((window (selected-window))
5225 (mail-parse-charset gnus-newsgroup-charset)
5226 (mail-parse-ignored-charsets
5227 (if (gnus-buffer-live-p gnus-summary-buffer)
5228 (with-current-buffer gnus-summary-buffer
5229 gnus-newsgroup-ignored-charsets)
5233 (let ((win (gnus-get-buffer-window (current-buffer) t))
5236 (select-window win))
5239 (if (mm-handle-displayed-p handle)
5240 ;; This will remove the part.
5241 (mm-display-part handle)
5243 (narrow-to-region (point)
5244 (if (eobp) (point) (1+ (point))))
5245 (mm-display-part handle)
5246 ;; We narrow to the part itself and
5247 ;; then call the treatment functions.
5248 (goto-char (point-min))
5250 (narrow-to-region (point) (point-max))
5253 (gnus-article-mime-total-parts)
5254 (mm-handle-media-type handle)))))
5255 (if (window-live-p window)
5256 (select-window window)))))
5259 (gnus-insert-mime-button
5260 handle id (list (mm-handle-displayed-p handle)))
5261 (goto-char point))))
5263 (defun gnus-article-goto-part (n)
5264 "Go to MIME part N."
5265 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
5267 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5268 (let ((gnus-tmp-name
5269 (or (mail-content-type-get (mm-handle-type handle) 'name)
5270 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5271 (mail-content-type-get (mm-handle-type handle) 'url)
5273 (gnus-tmp-type (mm-handle-media-type handle))
5274 (gnus-tmp-description
5275 (mail-decode-encoded-word-string (or (mm-handle-description handle)
5278 (if (if displayed (car displayed)
5279 (mm-handle-displayed-p handle))
5281 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5283 gnus-tmp-type-long b e)
5284 (when (string-match ".*/" gnus-tmp-name)
5285 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5286 (setq gnus-tmp-type-long (concat gnus-tmp-type
5287 (and (not (equal gnus-tmp-name ""))
5288 (concat "; " gnus-tmp-name))))
5289 (unless (equal gnus-tmp-description "")
5290 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5295 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5296 `(keymap ,gnus-mime-button-map
5297 gnus-callback gnus-mm-display-part
5298 gnus-part ,gnus-tmp-id
5299 article-type annotation
5302 ;; Exclude a newline.
5305 (when gnus-article-button-face
5306 (gnus-overlay-put (gnus-make-overlay b e nil t)
5307 'face gnus-article-button-face))
5308 (widget-convert-button
5311 :action 'gnus-widget-press-button
5312 :button-keymap gnus-mime-button-map
5314 (lambda (widget/window &optional overlay pos)
5315 ;; Needed to properly clear the message due to a bug in
5316 ;; wid-edit (XEmacs only).
5317 (if (boundp 'help-echo-owns-message)
5318 (setq help-echo-owns-message t))
5320 "%S: %s the MIME part; %S: more options"
5321 (aref gnus-mouse-2 0)
5322 ;; XEmacs will get a single widget arg; Emacs 21 will get
5323 ;; window, overlay, position.
5324 (if (mm-handle-displayed-p
5326 (with-current-buffer (gnus-overlay-buffer overlay)
5327 (widget-get (widget-at (gnus-overlay-start overlay))
5329 (widget-get widget/window :mime-handle)))
5331 (aref gnus-down-mouse-3 0))))))
5333 (defun gnus-widget-press-button (elems el)
5334 (goto-char (widget-get elems :from))
5335 (gnus-article-press-button))
5337 (defvar gnus-displaying-mime nil)
5339 (defun gnus-display-mime (&optional ihandles)
5340 "Display the MIME parts."
5342 (save-selected-window
5343 (let ((window (get-buffer-window gnus-article-buffer))
5346 (select-window window)
5347 ;; We have to do this since selecting the window
5348 ;; may change the point. So we set the window point.
5349 (set-window-point window point)))
5350 (let ((handles ihandles)
5351 (inhibit-read-only t)
5354 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5355 (when gnus-article-emulate-mime
5356 (mm-uu-dissect-text-parts handles)))
5357 (gnus-article-emulate-mime
5358 (setq handles (mm-uu-dissect))))
5359 (when (and (not ihandles)
5360 (not gnus-displaying-mime))
5361 ;; Top-level call; we clean up.
5362 (when gnus-article-mime-handles
5363 (mm-destroy-parts gnus-article-mime-handles)
5364 (setq gnus-article-mime-handle-alist nil));; A trick.
5365 (setq gnus-article-mime-handles handles)
5366 ;; We allow users to glean info from the handles.
5367 (when gnus-article-mime-part-function
5368 (gnus-mime-part-function handles)))
5370 (or (not (stringp (car handles)))
5373 (when (and (not ihandles)
5374 (not gnus-displaying-mime))
5375 ;; Clean up for mime parts.
5377 (delete-region (point) (point-max)))
5378 (let ((gnus-displaying-mime t))
5379 (gnus-mime-display-part handles)))
5382 (narrow-to-region (point) (point-max))
5383 (gnus-treat-article nil 1 1)
5386 ;; Highlight the headers.
5390 (narrow-to-region (point-min) (point))
5391 (gnus-article-save-original-date
5392 (gnus-treat-article 'head)))))))
5393 ;; Cope with broken MIME messages.
5394 (goto-char (point-max))
5398 (defcustom gnus-mime-display-multipart-as-mixed nil
5399 "Display \"multipart\" parts as \"multipart/mixed\".
5401 If t, it overrides nil values of
5402 `gnus-mime-display-multipart-alternative-as-mixed' and
5403 `gnus-mime-display-multipart-related-as-mixed'."
5404 :group 'gnus-article-mime
5407 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5408 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5410 :group 'gnus-article-mime
5413 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5414 "Display \"multipart/related\" parts as \"multipart/mixed\".
5416 If displaying \"text/html\" is discouraged \(see
5417 `mm-discouraged-alternatives'\) images or other material inside a
5418 \"multipart/related\" part might be overlooked when this variable is nil."
5420 :group 'gnus-article-mime
5423 (defun gnus-mime-display-part (handle)
5425 ;; Maybe a broken MIME message.
5428 ((not (stringp (car handle)))
5429 (gnus-mime-display-single handle))
5430 ;; User-defined multipart
5431 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5432 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5434 ;; multipart/alternative
5435 ((and (equal (car handle) "multipart/alternative")
5436 (not (or gnus-mime-display-multipart-as-mixed
5437 gnus-mime-display-multipart-alternative-as-mixed)))
5438 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5439 (push (cons id handle) gnus-article-mime-handle-alist)
5440 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5441 ;; multipart/related
5442 ((and (equal (car handle) "multipart/related")
5443 (not (or gnus-mime-display-multipart-as-mixed
5444 gnus-mime-display-multipart-related-as-mixed)))
5445 ;;;!!!We should find the start part, but we just default
5446 ;;;!!!to the first part.
5447 ;;(gnus-mime-display-part (cadr handle))
5448 ;;;!!! Most multipart/related is an HTML message plus images.
5449 ;;;!!! Unfortunately we are unable to let W3 display those
5450 ;;;!!! included images, so we just display it as a mixed multipart.
5451 ;;(gnus-mime-display-mixed (cdr handle))
5452 ;;;!!! No, w3 can display everything just fine.
5453 (gnus-mime-display-part (cadr handle)))
5454 ((equal (car handle) "multipart/signed")
5455 (gnus-add-wash-type 'signed)
5456 (gnus-mime-display-security handle))
5457 ((equal (car handle) "multipart/encrypted")
5458 (gnus-add-wash-type 'encrypted)
5459 (gnus-mime-display-security handle))
5460 ;; Other multiparts are handled like multipart/mixed.
5462 (gnus-mime-display-mixed (cdr handle)))))
5464 (defun gnus-mime-part-function (handles)
5465 (if (stringp (car handles))
5466 (mapcar 'gnus-mime-part-function (cdr handles))
5467 (funcall gnus-article-mime-part-function handles)))
5469 (defun gnus-mime-display-mixed (handles)
5470 (mapcar 'gnus-mime-display-part handles))
5472 (defun gnus-mime-display-single (handle)
5473 (let ((type (mm-handle-media-type handle))
5474 (ignored gnus-ignored-mime-types)
5481 (when (string-match (pop ignored) type)
5482 (throw 'ignored nil)))
5483 (if (and (setq not-attachment
5484 (and (not (mm-inline-override-p handle))
5485 (or (not (mm-handle-disposition handle))
5486 (equal (car (mm-handle-disposition handle))
5488 (mm-attachment-override-p handle))))
5489 (mm-automatic-display-p handle)
5491 (mm-inlinable-p handle)
5492 (mm-inlined-p handle))
5493 (mm-automatic-external-display-p type)))
5495 (when (equal (mm-handle-media-supertype handle) "text")
5497 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5499 (push (cons id handle) gnus-article-mime-handle-alist)
5501 (equal (mm-handle-media-supertype handle) "message"))
5504 (cond ((not (bolp)) 2)
5505 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5507 (when (or (not display)
5508 (not (gnus-unbuttonized-mime-type-p type)))
5509 (gnus-insert-mime-button
5510 handle id (list (or display (and not-attachment text))))
5511 (gnus-article-insert-newline)
5512 ;; Remember modify the number of forward lines.
5520 (let ((mail-parse-charset gnus-newsgroup-charset)
5521 (mail-parse-ignored-charsets
5522 (save-excursion (condition-case ()
5523 (set-buffer gnus-summary-buffer)
5525 gnus-newsgroup-ignored-charsets)))
5526 (mm-display-part handle t))
5527 (goto-char (point-max)))
5528 ((and text not-attachment)
5532 (gnus-article-insert-newline)
5535 (let ((charset (or (mail-content-type-get (mm-handle-type handle)
5537 (and (equal type "text/calendar") 'utf-8))))
5538 (cond ((not charset)
5539 (mm-string-as-multibyte (mm-get-part handle)))
5540 ((eq charset 'gnus-decoded)
5541 (with-current-buffer (mm-handle-buffer handle)
5544 (mm-decode-string (mm-get-part handle) charset)))))
5545 (goto-char (point-max))))
5549 (narrow-to-region beg (point))
5550 (if (eq handle gnus-article-mime-handles)
5551 ;; The format=flowed case.
5552 (gnus-treat-article nil 1 1 (mm-handle-media-type handle))
5553 ;; Don't count signature parts that are never displayed.
5554 ;; The part number should be re-calculated supposing this
5555 ;; might be a message/rfc822 part.
5557 (dolist (part gnus-article-mime-handles)
5558 (unless (or (stringp part)
5559 (equal (car (mm-handle-type part))
5560 "application/pgp-signature"))
5561 (push part handles)))
5563 nil (length (memq handle handles)) (length handles)
5564 (mm-handle-media-type handle)))))))))))
5566 (defun gnus-unbuttonized-mime-type-p (type)
5567 "Say whether TYPE is to be unbuttonized."
5568 (unless gnus-inhibit-mime-unbuttonizing
5570 (let ((types gnus-unbuttonized-mime-types))
5572 (when (string-match (pop types) type)
5573 (throw 'found t)))))
5575 (let ((types gnus-buttonized-mime-types))
5577 (when (string-match (pop types) type)
5578 (throw 'found t)))))))))
5580 (defun gnus-article-insert-newline ()
5581 "Insert a newline, but mark it as undeletable."
5582 (gnus-put-text-property
5583 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5585 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5586 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5589 handle (inhibit-read-only t) from props begend not-pref)
5590 (save-window-excursion
5593 (narrow-to-region (car ibegend)
5596 (goto-char (car ibegend))
5599 (delete-region (point-min) (point-max))
5600 (mm-remove-parts handles))
5601 (setq begend (list (point-marker)))
5603 (unless (setq not-pref (cadr (member preferred ihandles)))
5604 (setq not-pref (car ihandles)))
5607 (not (gnus-unbuttonized-mime-type-p
5608 "multipart/alternative")))
5609 (gnus-add-text-properties
5612 (insert (format "%d. " id))
5616 (unless ,(not ibegend)
5617 (setq gnus-article-mime-handle-alist
5618 ',gnus-article-mime-handle-alist))
5619 (gnus-mime-display-alternative
5620 ',ihandles ',not-pref ',begend ,id))
5621 keymap ,gnus-mime-button-map
5622 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5623 face ,gnus-article-button-face
5625 article-type multipart))
5626 (widget-convert-button 'link from (point)
5627 :action 'gnus-widget-press-button
5628 :button-keymap gnus-widget-button-keymap)
5630 (while (setq handle (pop handles))
5631 (gnus-add-text-properties
5634 (insert (format "(%c) %-18s"
5635 (if (equal handle preferred) ?* ? )
5636 (mm-handle-media-type handle)))
5640 (unless ,(not ibegend)
5641 (setq gnus-article-mime-handle-alist
5642 ',gnus-article-mime-handle-alist))
5643 (gnus-mime-display-alternative
5644 ',ihandles ',handle ',begend ,id))
5645 keymap ,gnus-mime-button-map
5646 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5647 face ,gnus-article-button-face
5650 (widget-convert-button 'link from (point)
5651 :action 'gnus-widget-press-button
5652 :button-keymap gnus-widget-button-keymap)
5656 (if (stringp (car preferred))
5657 (gnus-display-mime preferred)
5658 (let ((mail-parse-charset gnus-newsgroup-charset)
5659 (mail-parse-ignored-charsets
5660 (with-current-buffer gnus-summary-buffer
5661 gnus-newsgroup-ignored-charsets)))
5662 (mm-display-part preferred)
5666 (narrow-to-region (car begend) (point-max))
5668 nil (length gnus-article-mime-handle-alist)
5669 (gnus-article-mime-total-parts)
5670 (mm-handle-media-type handle))))))
5671 (goto-char (point-max))
5672 (setcdr begend (point-marker)))))
5674 (goto-char point))))
5676 (defconst gnus-article-wash-status-strings
5677 (let ((alist '((cite "c" "Possible hidden citation text"
5678 " " "All citation text visible")
5679 (headers "h" "Hidden headers"
5680 " " "All headers visible.")
5681 (pgp "p" "Encrypted or signed message status hidden"
5682 " " "No hidden encryption nor digital signature status")
5683 (signature "s" "Signature has been hidden"
5684 " " "Signature is visible")
5685 (overstrike "o" "Overstrike (^H) characters applied"
5686 " " "No overstrike characters applied")
5687 (emphasis "e" "/*_Emphasis_*/ characters applied"
5688 " " "No /*_emphasis_*/ characters applied")))
5690 (dolist (entry alist result)
5691 (let ((key (nth 0 entry))
5692 (on (copy-sequence (nth 1 entry)))
5693 (on-help (nth 2 entry))
5694 (off (copy-sequence (nth 3 entry)))
5695 (off-help (nth 4 entry)))
5696 (put-text-property 0 1 'help-echo on-help on)
5697 (put-text-property 0 1 'help-echo off-help off)
5698 (push (list key on off) result))))
5699 "Alist of strings describing wash status in the mode line.
5700 Each entry has the form (KEY ON OF), where the KEY is a symbol
5701 representing the particular washing function, ON is the string to use
5702 in the article mode line when the washing function is active, and OFF
5703 is the string to use when it is inactive.")
5705 (defun gnus-article-wash-status-entry (key value)
5706 (let ((entry (assoc key gnus-article-wash-status-strings)))
5707 (if value (nth 1 entry) (nth 2 entry))))
5709 (defun gnus-article-wash-status ()
5710 "Return a string which display status of article washing."
5711 (with-current-buffer gnus-article-buffer
5712 (let ((cite (memq 'cite gnus-article-wash-types))
5713 (headers (memq 'headers gnus-article-wash-types))
5714 (boring (memq 'boring-headers gnus-article-wash-types))
5715 (pgp (memq 'pgp gnus-article-wash-types))
5716 (pem (memq 'pem gnus-article-wash-types))
5717 (signed (memq 'signed gnus-article-wash-types))
5718 (encrypted (memq 'encrypted gnus-article-wash-types))
5719 (signature (memq 'signature gnus-article-wash-types))
5720 (overstrike (memq 'overstrike gnus-article-wash-types))
5721 (emphasis (memq 'emphasis gnus-article-wash-types)))
5723 (gnus-article-wash-status-entry 'cite cite)
5724 (gnus-article-wash-status-entry 'headers (or headers boring))
5725 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5726 (gnus-article-wash-status-entry 'signature signature)
5727 (gnus-article-wash-status-entry 'overstrike overstrike)
5728 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5730 (defun gnus-add-wash-type (type)
5731 "Add a washing of TYPE to the current status."
5732 (add-to-list 'gnus-article-wash-types type))
5734 (defun gnus-delete-wash-type (type)
5735 "Add a washing of TYPE to the current status."
5736 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5738 (defun gnus-add-image (category image)
5739 "Add IMAGE of CATEGORY to the list of displayed images."
5740 (let ((entry (assq category gnus-article-image-alist)))
5742 (setq entry (list category))
5743 (push entry gnus-article-image-alist))
5744 (nconc entry (list image))))
5746 (defun gnus-delete-images (category)
5747 "Delete all images in CATEGORY."
5748 (let ((entry (assq category gnus-article-image-alist)))
5749 (dolist (image (cdr entry))
5750 (gnus-remove-image image category))
5751 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5752 (gnus-delete-wash-type category)))
5754 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5756 (defun gnus-article-maybe-hide-headers ()
5757 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5758 Provided for backwards compatibility."
5759 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5760 (not (with-current-buffer gnus-summary-buffer
5761 gnus-have-all-headers)))
5762 (not gnus-inhibit-hiding))
5763 (gnus-article-hide-headers)))
5767 (defun gnus-output-to-file (file-name)
5768 "Append the current article to a file named FILE-NAME.
5769 If `gnus-article-save-coding-system' is non-nil, it is used to encode
5770 text and used as the value of the coding cookie which is added to the
5771 top of a file. Otherwise, this function saves a raw article without
5773 (let* ((artbuf (current-buffer))
5774 (file-name-coding-system nnmail-pathname-coding-system)
5775 (coding gnus-article-save-coding-system)
5776 (coding-system-for-read (if coding
5777 nil ;; Rely on the coding cookie.
5778 mm-text-coding-system))
5779 (coding-system-for-write (or coding
5780 mm-text-coding-system-for-write
5781 mm-text-coding-system))
5782 (exists (file-exists-p file-name)))
5785 (insert-file-contents file-name)
5786 (goto-char (point-min))
5787 ;; Remove the existing coding cookie.
5788 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
5789 (delete-region (match-beginning 0) (match-end 0))))
5790 (goto-char (point-max))
5791 (insert-buffer-substring artbuf)
5792 ;; Append newline at end of the buffer as separator, and then
5794 (goto-char (point-max))
5797 ;; If the coding system is not suitable to encode the text,
5798 ;; ask a user for a proper one.
5799 (when (fboundp 'select-safe-coding-system)
5800 (setq coding (coding-system-base
5801 (save-window-excursion
5802 (select-safe-coding-system (point-min) (point-max)
5804 (setq coding-system-for-write
5805 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
5807 (goto-char (point-min))
5808 ;; Add the coding cookie.
5809 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
5810 coding-system-for-write)))
5813 (write-region (point-min) (point-max) file-name nil 'no-message)
5814 (message "Appended to %s" file-name))
5815 (write-region (point-min) (point-max) file-name))))
5818 (defun gnus-narrow-to-page (&optional arg)
5819 "Narrow the article buffer to a page.
5820 If given a numerical ARG, move forward ARG pages."
5822 (setq arg (if arg (prefix-numeric-value arg) 0))
5824 (set-buffer gnus-article-buffer)
5825 (goto-char (point-min))
5827 ;; Remove any old next/prev buttons.
5828 (when (gnus-visual-p 'page-marker)
5829 (let ((inhibit-read-only t))
5830 (gnus-remove-text-with-property 'gnus-prev)
5831 (gnus-remove-text-with-property 'gnus-next)))
5834 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5836 (re-search-forward page-delimiter nil 'move arg)))
5837 (goto-char (match-end 0))
5839 (goto-char (point-min))
5840 (setq gnus-page-broken
5841 (and (re-search-forward page-delimiter nil t) t))))
5842 (when gnus-page-broken
5845 (if (re-search-forward page-delimiter nil 'move)
5848 (when (and (gnus-visual-p 'page-marker)
5849 (> (point-min) (save-restriction (widen) (point-min))))
5851 (goto-char (point-min))
5852 (gnus-insert-prev-page-button)))
5853 (when (and (gnus-visual-p 'page-marker)
5854 (< (point-max) (save-restriction (widen) (point-max))))
5856 (goto-char (point-max))
5857 (gnus-insert-next-page-button))))))
5859 ;; Article mode commands
5861 (defun gnus-article-goto-next-page ()
5862 "Show the next page of the article."
5864 (when (gnus-article-next-page)
5865 (goto-char (point-min))
5866 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5869 (defun gnus-article-goto-prev-page ()
5870 "Show the previous page of the article."
5873 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5874 (gnus-article-prev-page nil)))
5876 ;; This is cleaner but currently breaks `gnus-pick-mode':
5878 ;; (defun gnus-article-goto-next-page ()
5879 ;; "Show the next page of the article."
5881 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5882 ;; (gnus-summary-next-page)))
5884 ;; (defun gnus-article-goto-prev-page ()
5885 ;; "Show the next page of the article."
5887 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5888 ;; (gnus-summary-prev-page)))
5890 (defun gnus-article-next-page (&optional lines)
5891 "Show the next page of the current article.
5892 If end of article, return non-nil. Otherwise return nil.
5893 Argument LINES specifies lines to be scrolled up."
5895 (move-to-window-line -1)
5896 (if (and (not (and gnus-article-over-scroll
5897 (> (count-lines (window-start) (point-max))
5898 (+ (or lines (1- (window-height)))
5899 (or (and (boundp 'scroll-margin)
5900 (symbol-value 'scroll-margin))
5904 (and (pos-visible-in-window-p) ;Not continuation line.
5905 (>= (1+ (point)) (point-max))))) ;Allow for trailing newline.
5906 ;; Nothing in this page.
5907 (if (or (not gnus-page-broken)
5912 (eobp)))) ;Real end-of-buffer?
5914 (when gnus-article-over-scroll
5915 (gnus-article-next-page-1 lines))
5917 (gnus-narrow-to-page 1) ;Go to next page.
5919 ;; More in this page.
5920 (gnus-article-next-page-1 lines)
5923 (defmacro gnus-article-beginning-of-window ()
5924 "Move point to the beginning of the window.
5925 In Emacs, the point is placed at the line number which `scroll-margin'
5927 (if (featurep 'xemacs)
5928 '(move-to-window-line 0)
5929 '(move-to-window-line
5930 (min (max 0 scroll-margin)
5931 (max 1 (- (window-height)
5932 (if mode-line-format 1 0)
5933 (if header-line-format 1 0)))))))
5935 (defun gnus-article-next-page-1 (lines)
5936 (when (and (not (featurep 'xemacs))
5939 (numberp (symbol-value 'scroll-margin))
5940 (> (symbol-value 'scroll-margin) 0))
5941 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5942 ;; too many number of lines if `scroll-margin' is set as two or greater.
5943 (setq lines (min lines
5944 (max 0 (- (count-lines (window-start) (point-max))
5945 (symbol-value 'scroll-margin))))))
5947 (let ((scroll-in-place nil))
5950 ;; Long lines may cause an end-of-buffer error.
5951 (goto-char (point-max))))
5952 (gnus-article-beginning-of-window))
5954 (defun gnus-article-prev-page (&optional lines)
5955 "Show previous page of current article.
5956 Argument LINES specifies lines to be scrolled down."
5958 (move-to-window-line 0)
5959 (if (and gnus-page-broken
5961 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5963 (gnus-narrow-to-page -1) ;Go to previous page.
5964 (goto-char (point-max))
5965 (recenter (if gnus-article-over-scroll
5967 (max (+ lines (or (and (boundp 'scroll-margin)
5968 (symbol-value 'scroll-margin))
5971 (- (window-height) 2))
5975 (let ((scroll-in-place nil))
5976 (scroll-down lines))
5977 (beginning-of-buffer
5978 (goto-char (point-min))))
5979 (gnus-article-beginning-of-window))))
5981 (defun gnus-article-only-boring-p ()
5982 "Decide whether there is only boring text remaining in the article.
5983 Something \"interesting\" is a word of at least two letters that does
5984 not have a face in `gnus-article-boring-faces'."
5985 (when (and gnus-article-skip-boring
5986 (boundp 'gnus-article-boring-faces)
5987 (symbol-value 'gnus-article-boring-faces))
5989 (let ((inhibit-point-motion-hooks t))
5991 (while (re-search-forward "\\b\\w\\w" nil t)
5993 (when (not (gnus-intersection
5994 (gnus-faces-at (point))
5995 (symbol-value 'gnus-article-boring-faces)))
5996 (throw 'only-boring nil)))
5997 (throw 'only-boring t))))))
5999 (defun gnus-article-refer-article ()
6000 "Read article specified by message-id around point."
6003 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
6004 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
6005 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
6006 (let ((msg-id (concat "<" (match-string 0) ">")))
6007 (set-buffer gnus-summary-buffer)
6008 (gnus-summary-refer-article msg-id))
6009 (error "No references around point"))))
6011 (defun gnus-article-show-summary ()
6012 "Reconfigure windows to show summary buffer."
6014 (if (not (gnus-buffer-live-p gnus-summary-buffer))
6015 (error "There is no summary buffer for this article buffer")
6016 (gnus-article-set-globals)
6017 (gnus-configure-windows 'article)
6018 (gnus-summary-goto-subject gnus-current-article)
6019 (gnus-summary-position-point)))
6021 (defun gnus-article-describe-briefly ()
6022 "Describe article mode commands briefly."
6024 (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")))
6026 (defun gnus-article-summary-command ()
6027 "Execute the last keystroke in the summary buffer."
6029 (let ((obuf (current-buffer))
6030 (owin (current-window-configuration))
6032 (switch-to-buffer gnus-article-current-summary 'norecord)
6033 (setq func (lookup-key (current-local-map) (this-command-keys)))
6034 (call-interactively func)
6036 (set-window-configuration owin)
6037 (set-window-point (get-buffer-window (current-buffer)) (point))))
6039 (defun gnus-article-summary-command-nosave ()
6040 "Execute the last keystroke in the summary buffer."
6043 (pop-to-buffer gnus-article-current-summary)
6044 (setq func (lookup-key (current-local-map) (this-command-keys)))
6045 (call-interactively func)))
6047 (defun gnus-article-check-buffer ()
6048 "Beep if not in an article buffer."
6049 (unless (equal major-mode 'gnus-article-mode)
6050 (error "Command invoked outside of a Gnus article buffer")))
6052 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
6053 "Read a summary buffer key sequence and execute it from the article buffer."
6055 (gnus-article-check-buffer)
6057 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
6058 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
6059 "=" "^" "\M-^" "|"))
6065 '("n" "Gn" "p" "Gp"))
6068 (set-buffer gnus-article-current-summary)
6069 (let (gnus-pick-mode)
6070 (push (or key last-command-event) unread-command-events)
6071 (setq keys (if (featurep 'xemacs)
6072 (events-to-keys (read-key-sequence nil))
6073 (read-key-sequence nil)))))
6078 ((eq (aref keys (1- (length keys))) ?\C-h)
6079 (with-current-buffer gnus-article-current-summary
6080 (describe-bindings (substring keys 0 -1))))
6081 ((or (member keys nosaves)
6082 (member keys nosave-but-article)
6083 (member keys nosave-in-article))
6085 (save-window-excursion
6086 (pop-to-buffer gnus-article-current-summary)
6087 ;; We disable the pick minor mode commands.
6088 (let (gnus-pick-mode)
6089 (setq func (lookup-key (current-local-map) keys))))
6093 (unless (member keys nosave-in-article)
6094 (set-buffer gnus-article-current-summary))
6095 (call-interactively func)
6096 (setq new-sum-point (point)))
6097 (when (member keys nosave-but-article)
6098 (pop-to-buffer gnus-article-buffer))))
6100 ;; These commands should restore window configuration.
6101 (let ((obuf (current-buffer))
6102 (owin (current-window-configuration))
6103 win func in-buffer selected new-sum-start new-sum-hscroll err)
6104 (cond (not-restore-window
6105 (pop-to-buffer gnus-article-current-summary)
6106 (setq win (selected-window)))
6107 ((setq win (get-buffer-window gnus-article-current-summary))
6108 (select-window win))
6110 (let ((summary-buffer gnus-article-current-summary))
6111 (gnus-configure-windows 'article)
6112 (unless (setq win (get-buffer-window summary-buffer 'visible))
6113 (let ((gnus-buffer-configuration
6114 '(article ((vertical 1.0
6115 (summary 0.25 point)
6117 (gnus-configure-windows 'article))
6118 (setq win (get-buffer-window summary-buffer 'visible)))
6119 (gnus-select-frame-set-input-focus (window-frame win))
6120 (select-window win))))
6121 (setq in-buffer (current-buffer))
6122 ;; We disable the pick minor mode commands.
6123 (if (and (setq func (let (gnus-pick-mode)
6124 (lookup-key (current-local-map) keys)))
6126 (condition-case code
6128 (call-interactively func)
6134 (when (eq win (selected-window))
6135 (setq new-sum-point (point)
6136 new-sum-start (window-start win)
6137 new-sum-hscroll (window-hscroll win)))
6138 (when (or (eq in-buffer (current-buffer))
6139 (when (eq obuf (current-buffer))
6140 (set-buffer in-buffer)
6142 (setq selected (gnus-summary-select-article))
6144 (unless not-restore-window
6145 (set-window-configuration owin))
6146 (when (and (eq selected 'old)
6148 (set-window-start (get-buffer-window (current-buffer))
6150 (set-window-point (get-buffer-window (current-buffer))
6151 (if (article-goto-body)
6154 (when (and (not not-restore-window)
6156 (with-current-buffer (window-buffer win)
6157 (eq major-mode 'gnus-summary-mode)))
6158 (set-window-point win new-sum-point)
6159 (set-window-start win new-sum-start)
6160 (set-window-hscroll win new-sum-hscroll))))
6161 (set-window-configuration owin)
6163 (signal (car err) (cdr err))
6166 (defun gnus-article-describe-key (key)
6167 "Display documentation of the function invoked by KEY. KEY is a string."
6168 (interactive "kDescribe key: ")
6169 (gnus-article-check-buffer)
6170 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
6172 (set-buffer gnus-article-current-summary)
6173 (let (gnus-pick-mode)
6174 (if (featurep 'xemacs)
6176 (push (elt key 0) unread-command-events)
6177 (setq key (events-to-keys
6178 (read-key-sequence "Describe key: "))))
6179 (setq unread-command-events
6181 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
6182 (string-to-list key)))
6183 (setq key (read-key-sequence "Describe key: "))))
6185 (describe-key key)))
6187 (defun gnus-article-describe-key-briefly (key &optional insert)
6188 "Display documentation of the function invoked by KEY. KEY is a string."
6189 (interactive "kDescribe key: \nP")
6190 (gnus-article-check-buffer)
6191 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
6193 (set-buffer gnus-article-current-summary)
6194 (let (gnus-pick-mode)
6195 (if (featurep 'xemacs)
6197 (push (elt key 0) unread-command-events)
6198 (setq key (events-to-keys
6199 (read-key-sequence "Describe key: "))))
6200 (setq unread-command-events
6202 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
6203 (string-to-list key)))
6204 (setq key (read-key-sequence "Describe key: "))))
6205 (describe-key-briefly key insert))
6206 (describe-key-briefly key insert)))
6208 (defun gnus-article-reply-with-original (&optional wide)
6209 "Start composing a reply mail to the current message.
6210 The text in the region will be yanked. If the region isn't active,
6211 the entire article will be yanked."
6213 (let ((article (cdr gnus-article-current))
6215 (if (not (gnus-region-active-p))
6216 (with-current-buffer gnus-summary-buffer
6217 (gnus-summary-reply (list (list article)) wide))
6218 (setq contents (buffer-substring (point) (mark t)))
6219 ;; Deactivate active regions.
6220 (when (and (boundp 'transient-mark-mode)
6221 transient-mark-mode)
6222 (setq mark-active nil))
6223 (with-current-buffer gnus-summary-buffer
6225 (list (list article contents)) wide)))))
6227 (defun gnus-article-followup-with-original ()
6228 "Compose a followup to the current article.
6229 The text in the region will be yanked. If the region isn't active,
6230 the entire article will be yanked."
6232 (let ((article (cdr gnus-article-current))
6234 (if (not (gnus-region-active-p))
6235 (with-current-buffer gnus-summary-buffer
6236 (gnus-summary-followup (list (list article))))
6237 (setq contents (buffer-substring (point) (mark t)))
6238 ;; Deactivate active regions.
6239 (when (and (boundp 'transient-mark-mode)
6240 transient-mark-mode)
6241 (setq mark-active nil))
6242 (with-current-buffer gnus-summary-buffer
6243 (gnus-summary-followup
6244 (list (list article contents)))))))
6246 (defun gnus-article-hide (&optional arg force)
6247 "Hide all the gruft in the current article.
6248 This means that signatures, cited text and (some) headers will be
6250 If given a prefix, show the hidden text instead."
6251 (interactive (append (gnus-article-hidden-arg) (list 'force)))
6252 (gnus-article-hide-headers arg)
6253 (gnus-article-hide-list-identifiers arg)
6254 (gnus-article-hide-citation-maybe arg force)
6255 (gnus-article-hide-signature arg))
6257 (defun gnus-article-maybe-highlight ()
6258 "Do some article highlighting if article highlighting is requested."
6259 (when (gnus-visual-p 'article-highlight 'highlight)
6260 (gnus-article-highlight-some)))
6262 (defun gnus-check-group-server ()
6263 ;; Make sure the connection to the server is alive.
6264 (unless (gnus-server-opened
6265 (gnus-find-method-for-group gnus-newsgroup-name))
6266 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
6267 (gnus-request-group gnus-newsgroup-name t)))
6270 (autoload 'nneething-get-file-name "nneething"))
6272 (defun gnus-request-article-this-buffer (article group)
6273 "Get an article and insert it into this buffer."
6274 (let (do-update-line sparse-header)
6278 (gnus-kill-all-overlays)
6279 (setq group (or group gnus-newsgroup-name))
6281 ;; Using `gnus-request-article' directly will insert the article into
6282 ;; `nntp-server-buffer' - so we'll save some time by not having to
6283 ;; copy it from the server buffer into the article buffer.
6285 ;; We only request an article by message-id when we do not have the
6286 ;; headers for it, so we'll have to get those.
6287 (when (stringp article)
6288 (gnus-read-header article))
6290 ;; If the article number is negative, that means that this article
6291 ;; doesn't belong in this newsgroup (possibly), so we find its
6292 ;; message-id and request it by id instead of number.
6293 (when (and (numberp article)
6295 (get-buffer gnus-summary-buffer)
6296 (gnus-buffer-exists-p gnus-summary-buffer))
6298 (set-buffer gnus-summary-buffer)
6299 (let ((header (gnus-summary-article-header article)))
6302 ((memq article gnus-newsgroup-sparse)
6303 ;; This is a sparse gap article.
6304 (setq do-update-line article)
6305 (setq article (mail-header-id header))
6306 (setq sparse-header (gnus-read-header article))
6307 (setq gnus-newsgroup-sparse
6308 (delq article gnus-newsgroup-sparse)))
6310 ;; It's a real article.
6311 (setq article (mail-header-id header)))
6313 ;; It is an extracted pseudo-article.
6314 (setq article 'pseudo)
6315 (gnus-request-pseudo-article header))))
6317 (let ((method (gnus-find-method-for-group
6318 gnus-newsgroup-name)))
6319 (when (and (eq (car method) 'nneething)
6321 (let ((dir (nneething-get-file-name
6322 (mail-header-id header))))
6323 (when (and (stringp dir)
6324 (file-directory-p dir))
6325 (setq article 'nneething)
6326 (gnus-group-enter-directory dir))))))))
6329 ;; Refuse to select canceled articles.
6330 ((and (numberp article)
6332 (get-buffer gnus-summary-buffer)
6333 (gnus-buffer-exists-p gnus-summary-buffer)
6334 (eq (cdr (with-current-buffer gnus-summary-buffer
6335 (assq article gnus-newsgroup-reads)))
6336 gnus-canceled-mark))
6338 ;; We first check `gnus-original-article-buffer'.
6339 ((and (get-buffer gnus-original-article-buffer)
6341 (with-current-buffer gnus-original-article-buffer
6342 (and (equal (car gnus-original-article) group)
6343 (eq (cdr gnus-original-article) article))))
6344 (insert-buffer-substring gnus-original-article-buffer)
6346 ;; Check the backlog.
6347 ((and gnus-keep-backlog
6348 (gnus-backlog-request-article group article (current-buffer)))
6350 ;; Check asynchronous pre-fetch.
6351 ((gnus-async-request-fetched-article group article (current-buffer))
6352 (gnus-async-prefetch-next group article gnus-summary-buffer)
6353 (when (and (numberp article) gnus-keep-backlog)
6354 (gnus-backlog-enter-article group article (current-buffer)))
6357 ((and gnus-use-cache
6359 (gnus-cache-request-article article group))
6361 ;; Check the agent cache.
6362 ((gnus-agent-request-article article group)
6364 ;; Get the article and put into the article buffer.
6365 ((or (stringp article)
6367 (let ((gnus-override-method gnus-override-method)
6368 (methods (and (stringp article)
6369 gnus-refer-article-method))
6370 (backend (car (gnus-find-method-for-group
6371 gnus-newsgroup-name)))
6373 (inhibit-read-only t))
6374 (if (or (not (listp methods))
6375 (and (symbolp (car methods))
6376 (assq (car methods) nnoo-definition-alist)))
6377 (setq methods (list methods)))
6378 (when (and (null gnus-override-method)
6380 (setq gnus-override-method (pop methods)))
6382 (when (eq gnus-override-method 'current)
6383 (setq gnus-override-method
6384 (with-current-buffer gnus-summary-buffer
6385 gnus-current-select-method)))
6387 (gnus-kill-all-overlays)
6388 (let ((gnus-newsgroup-name group))
6389 (gnus-check-group-server))
6391 ((gnus-request-article article group (current-buffer))
6392 (when (numberp article)
6393 (gnus-async-prefetch-next group article
6394 gnus-summary-buffer)
6395 (when gnus-keep-backlog
6396 (gnus-backlog-enter-article
6397 group article (current-buffer))))
6398 (setq result 'article))
6400 (setq gnus-override-method (pop methods)))
6401 ((not (string-match "^400 "
6402 (nnheader-get-report backend)))
6403 ;; If we get 400 server disconnect, reconnect and
6404 ;; retry; otherwise, assume the article has expired.
6405 (setq result 'done))))
6406 (and (eq result 'article) 'article)))
6410 ;; Associate this article with the current summary buffer.
6411 (setq gnus-article-current-summary gnus-summary-buffer)
6413 ;; Take the article from the original article buffer
6414 ;; and place it in the buffer it's supposed to be in.
6415 (when (and (get-buffer gnus-article-buffer)
6416 (equal (buffer-name (current-buffer))
6417 (buffer-name (get-buffer gnus-article-buffer))))
6419 (if (get-buffer gnus-original-article-buffer)
6420 (set-buffer gnus-original-article-buffer)
6421 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6422 (buffer-disable-undo)
6423 (setq major-mode 'gnus-original-article-mode)
6424 (setq buffer-read-only t))
6425 (let ((inhibit-read-only t))
6427 (insert-buffer-substring gnus-article-buffer))
6428 (setq gnus-original-article (cons group article)))
6431 (run-hooks 'gnus-article-decode-hook)
6432 ;; Mark article as decoded or not.
6433 (setq gnus-article-decoded-p gnus-article-decode-hook))
6435 ;; Update sparse articles.
6436 (when (and do-update-line
6437 (or (numberp article)
6439 (let ((buf (current-buffer)))
6440 (set-buffer gnus-summary-buffer)
6441 (gnus-summary-update-article do-update-line sparse-header)
6442 (gnus-summary-goto-subject do-update-line nil t)
6443 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6445 (set-buffer buf))))))
6451 (defcustom gnus-article-edit-mode-hook nil
6452 "Hook run in article edit mode buffers."
6453 :group 'gnus-article-various
6456 (defvar gnus-article-edit-done-function nil)
6458 (defvar gnus-article-edit-mode-map nil)
6460 ;; Should we be using derived.el for this?
6461 (unless gnus-article-edit-mode-map
6462 (setq gnus-article-edit-mode-map (make-keymap))
6463 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6465 (gnus-define-keys gnus-article-edit-mode-map
6466 "\C-c?" describe-mode
6467 "\C-c\C-c" gnus-article-edit-done
6468 "\C-c\C-k" gnus-article-edit-exit
6469 "\C-c\C-f\C-t" message-goto-to
6470 "\C-c\C-f\C-o" message-goto-from
6471 "\C-c\C-f\C-b" message-goto-bcc
6472 ;;"\C-c\C-f\C-w" message-goto-fcc
6473 "\C-c\C-f\C-c" message-goto-cc
6474 "\C-c\C-f\C-s" message-goto-subject
6475 "\C-c\C-f\C-r" message-goto-reply-to
6476 "\C-c\C-f\C-n" message-goto-newsgroups
6477 "\C-c\C-f\C-d" message-goto-distribution
6478 "\C-c\C-f\C-f" message-goto-followup-to
6479 "\C-c\C-f\C-m" message-goto-mail-followup-to
6480 "\C-c\C-f\C-k" message-goto-keywords
6481 "\C-c\C-f\C-u" message-goto-summary
6482 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6483 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6484 "\C-c\C-b" message-goto-body
6485 "\C-c\C-i" message-goto-signature
6487 "\C-c\C-t" message-insert-to
6488 "\C-c\C-n" message-insert-newsgroups
6489 "\C-c\C-o" message-sort-headers
6490 "\C-c\C-e" message-elide-region
6491 "\C-c\C-v" message-delete-not-region
6492 "\C-c\C-z" message-kill-to-signature
6493 "\M-\r" message-newline-and-reformat
6494 "\C-c\C-a" mml-attach-file
6495 "\C-a" message-beginning-of-line
6497 "\M-;" comment-region)
6499 (gnus-define-keys (gnus-article-edit-wash-map
6500 "\C-c\C-w" gnus-article-edit-mode-map)
6501 "f" gnus-article-edit-full-stops))
6504 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6506 ["Fetch To" message-insert-to t]
6507 ["Fetch Newsgroups" message-insert-newsgroups t]
6509 ["To" message-goto-to t]
6510 ["From" message-goto-from t]
6511 ["Subject" message-goto-subject t]
6512 ["Cc" message-goto-cc t]
6513 ["Reply-To" message-goto-reply-to t]
6514 ["Summary" message-goto-summary t]
6515 ["Keywords" message-goto-keywords t]
6516 ["Newsgroups" message-goto-newsgroups t]
6517 ["Followup-To" message-goto-followup-to t]
6518 ["Mail-Followup-To" message-goto-mail-followup-to t]
6519 ["Distribution" message-goto-distribution t]
6520 ["Body" message-goto-body t]
6521 ["Signature" message-goto-signature t]))
6523 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6524 "Major mode for editing articles.
6525 This is an extended text-mode.
6527 \\{gnus-article-edit-mode-map}"
6528 (make-local-variable 'gnus-article-edit-done-function)
6529 (make-local-variable 'gnus-prev-winconf)
6530 (set (make-local-variable 'font-lock-defaults)
6531 '(message-font-lock-keywords t))
6532 (set (make-local-variable 'mail-header-separator) "")
6533 (set (make-local-variable 'gnus-article-edit-mode) t)
6534 (easy-menu-add message-mode-field-menu message-mode-map)
6536 (setq buffer-read-only nil)
6537 (buffer-enable-undo)
6540 (defun gnus-article-edit (&optional force)
6541 "Edit the current article.
6542 This will have permanent effect only in mail groups.
6543 If FORCE is non-nil, allow editing of articles even in read-only
6546 (when (and (not force)
6547 (gnus-group-read-only-p))
6548 (error "The current newsgroup does not support article editing"))
6549 (gnus-article-date-original)
6550 (gnus-article-edit-article
6552 `(lambda (no-highlight)
6554 (gnus-summary-edit-article-done
6555 ,(or (mail-header-references gnus-current-headers) "")
6556 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6558 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
6559 "Start editing the contents of the current article buffer."
6560 (let ((winconf (current-window-configuration)))
6561 (set-buffer gnus-article-buffer)
6562 (let ((message-auto-save-directory
6563 ;; Don't associate the article buffer with a draft file.
6565 (gnus-article-edit-mode))
6566 (funcall start-func)
6567 (set-buffer-modified-p nil)
6568 (gnus-configure-windows 'edit-article)
6569 (setq gnus-article-edit-done-function exit-func)
6570 (setq gnus-prev-winconf winconf)
6572 (gnus-message 6 "C-c C-c to end edits"))))
6574 (defun gnus-article-edit-done (&optional arg)
6575 "Update the article edits and exit."
6577 (let ((func gnus-article-edit-done-function)
6578 (buf (current-buffer))
6579 (start (window-start))
6581 (winconf gnus-prev-winconf))
6582 (widen) ;; Widen it in case that users narrowed the buffer.
6585 ;; The cache and backlog have to be flushed somewhat.
6586 (when gnus-keep-backlog
6587 (gnus-backlog-remove-article
6588 (car gnus-article-current) (cdr gnus-article-current)))
6589 ;; Flush original article as well.
6591 (when (get-buffer gnus-original-article-buffer)
6592 (set-buffer gnus-original-article-buffer)
6593 (setq gnus-original-article nil)))
6594 (when gnus-use-cache
6595 (gnus-cache-update-article
6596 (car gnus-article-current) (cdr gnus-article-current)))
6597 ;; We remove all text props from the article buffer.
6598 (kill-all-local-variables)
6599 (set-text-properties (point-min) (point-max) nil)
6601 (set-window-configuration winconf)
6603 (set-window-start (get-buffer-window buf) start)
6604 (set-window-point (get-buffer-window buf) (point)))
6605 (gnus-summary-show-article))
6607 (defun gnus-article-edit-exit ()
6608 "Exit the article editing without updating."
6610 (when (or (not (buffer-modified-p))
6611 (yes-or-no-p "Article modified; kill anyway? "))
6612 (let ((curbuf (current-buffer))
6614 (window-start (window-start)))
6616 (if (gnus-buffer-live-p gnus-original-article-buffer)
6617 (insert-buffer-substring gnus-original-article-buffer))
6618 (let ((winconf gnus-prev-winconf))
6619 (kill-all-local-variables)
6621 (set-window-configuration winconf)
6622 ;; Tippy-toe some to make sure that point remains where it was.
6623 (save-current-buffer
6625 (set-window-start (get-buffer-window (current-buffer)) window-start)
6627 (gnus-summary-show-article)))
6629 (defun gnus-article-edit-full-stops ()
6630 "Interactively repair spacing at end of sentences."
6633 (goto-char (point-min))
6634 (search-forward-regexp "^$" nil t)
6635 (let ((case-fold-search nil))
6636 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6639 ;;; Article highlights
6642 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6644 ;;; Internal Variables:
6646 (defcustom gnus-button-url-regexp
6648 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|"
6649 "nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)"
6650 "\\(//[-a-z0-9_.]+:[0-9]*\\)?"
6651 (if (string-match "[[:digit:]]" "1") ;; Support POSIX?
6652 (let ((chars "-a-z0-9_=#$@~%&*+\\/[:word:]")
6656 ;; Match paired parentheses, e.g. in Wikipedia URLs:
6657 "[" chars punct "]+" "(" "[" chars punct "]+" "[" chars "]*)" "[" chars "]"
6659 "[" chars punct "]+" "[" chars "]"
6661 (concat ;; XEmacs 21.4 doesn't support POSIX.
6662 "\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+"
6663 "\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)"))
6665 "Regular expression that matches URLs."
6666 :group 'gnus-article-buttons
6669 (defcustom gnus-button-valid-fqdn-regexp
6670 message-valid-fqdn-regexp
6671 "Regular expression that matches a valid FQDN."
6673 :group 'gnus-article-buttons
6676 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6677 (defcustom gnus-button-valid-localpart-regexp
6678 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
6679 "Regular expression that matches a localpart of mail addresses or MIDs."
6681 :group 'gnus-article-buttons
6684 (defcustom gnus-button-man-handler 'manual-entry
6685 "Function to use for displaying man pages.
6686 The function must take at least one argument with a string naming the
6689 :type '(choice (function-item :tag "Man" manual-entry)
6690 (function-item :tag "Woman" woman)
6691 (function :tag "Other"))
6692 :group 'gnus-article-buttons)
6694 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6695 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6696 If the default site is too slow, try to find a CTAN mirror, see
6697 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6698 the variable `gnus-button-handle-ctan'."
6700 :group 'gnus-article-buttons
6701 :link '(custom-manual "(gnus)Group Parameters")
6702 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6703 (const "http://tug.ctan.org/tex-archive/")
6704 (const "http://www.dante.de/CTAN/")
6705 (string :tag "Other")))
6707 (defcustom gnus-button-ctan-handler 'browse-url
6708 "Function to use for displaying CTAN links.
6709 The function must take one argument, the string naming the URL."
6711 :type '(choice (function-item :tag "Browse Url" browse-url)
6712 (function :tag "Other"))
6713 :group 'gnus-article-buttons)
6715 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6716 "Bogus strings removed from CTAN URLs."
6718 :group 'gnus-article-buttons
6719 :type '(choice (const "^/?tex-archive/\\|/")
6720 (regexp :tag "Other")))
6722 (defcustom gnus-button-ctan-directory-regexp
6724 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6725 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6726 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6727 "tds" "tools" "usergrps" "web") t)
6728 "Regular expression for ctan directories.
6729 It should match all directories in the top level of `gnus-ctan-url'."
6731 :group 'gnus-article-buttons
6734 (defcustom gnus-button-mid-or-mail-regexp
6735 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6736 gnus-button-valid-fqdn-regexp
6738 "Regular expression that matches a message ID or a mail address."
6740 :group 'gnus-article-buttons
6743 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6744 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6745 Strings like this can be either a message ID or a mail address. If it is one
6746 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6747 message ID or a mail address, respectively. If this variable is set to the
6748 symbol `ask', always query the user what do do. If it is a function, this
6749 function will be called with the string as its only argument. The function
6750 must return `mid', `mail', `invalid' or `ask'."
6752 :group 'gnus-article-buttons
6753 :type '(choice (function-item :tag "Heuristic function"
6754 gnus-button-mid-or-mail-heuristic)
6759 (defcustom gnus-button-mid-or-mail-heuristic-alist
6760 '((-10.0 . ".+\\$.+@")
6763 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6764 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6765 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6766 (-1.0 . "^[^a-z]+@")
6768 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6769 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6770 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6771 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6774 (-1.0 . "^[0-9][0-9]")
6776 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6777 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6778 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6779 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6781 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6782 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6785 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6787 ;; compensation for TDMA dated mail addresses:
6788 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6790 (-20.0 . "\\.fsf@") ;; Gnus
6793 (-20.0 . "^alpine\\.")
6794 (-20.0 . "_-_") ;; Subject change in thread
6796 (-20.0 . "\\.ln@") ;; leafnode
6797 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6798 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6800 ;; (5.0 . "") ;; $local_part_len <= 7
6801 (10.0 . "^[^0-9]+@")
6802 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6803 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6806 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6808 (0.5 . "^[A-Z][a-z]")
6809 (0.5 . "^[A-Z][a-z][a-z]")
6810 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6811 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6812 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6814 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6815 address. The REGEXP is processed with `case-fold-search' set to nil."
6817 :group 'gnus-article-buttons
6818 :type '(repeat (cons (number :tag "Rate")
6819 (regexp :tag "Regexp"))))
6821 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6822 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6823 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6824 address, `ask' if unsure and `invalid' if the string is invalid."
6825 (let ((case-fold-search nil)
6826 (list gnus-button-mid-or-mail-heuristic-alist)
6827 (result 0) rate regexp lpartlen elem)
6829 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6830 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6831 ;; Certain special cases...
6834 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6835 "^[0-9]+\\.[0-9]+@compuserve\\|"
6836 "@public\\.gmane\\.org")
6838 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6839 (setq result 'mail))
6840 (when (string-match "@.*@\\| " mid-or-mail)
6841 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6842 (setq result 'invalid))
6843 ;; Nothing more to do, if result is not a number here...
6844 (when (numberp result)
6846 (setq elem (car list)
6850 (when (string-match regexp mid-or-mail)
6851 (setq result (+ result rate))
6853 9 "`%s' matched `%s', rate `%s', result `%s'."
6854 mid-or-mail regexp rate result)))
6855 (when (<= lpartlen 7)
6856 (setq result (+ result 5.0))
6857 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6858 mid-or-mail result))
6859 (when (>= lpartlen 12)
6860 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6862 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6863 ;; Long local part should contain realname if e-mail address,
6864 ;; too many digits: message-id.
6865 ;; $score -= 5.0 + 0.1 * $local_part_len;
6866 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6867 (setq result (+ result rate))
6869 9 "Many digits in `%s', rate `%s', result `%s'."
6870 mid-or-mail rate result))
6871 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6873 ;; Too few vowels [^aeiouy]{4,}.*\@
6874 (setq result (+ result -5.0))
6876 9 "Few vowels in `%s', rate `%s', result `%s'."
6877 mid-or-mail -5.0 result))
6879 (setq result (+ result 5.0))
6881 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6882 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6883 ;; Maybe we should make this a customizable alist: (condition . 'result)
6885 ((symbolp result) result)
6886 ;; Now convert number into proper results:
6887 ((< result -10.0) 'mid)
6888 ((> result 10.0) 'mail)
6891 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6892 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6893 (url-mid (concat "news" ":" mid-or-mail))
6894 (url-mailto (concat "mailto" ":" mid-or-mail)))
6895 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6896 (when (fboundp pref)
6898 ;; get rid of surrounding angles...
6900 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6901 (if (or (eq 'mid guessed) (eq 'mail guessed))
6905 (save-window-excursion
6906 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6909 (cond ((eq pref 'mid)
6910 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6911 (gnus-button-handle-news url-mid))
6913 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6914 (gnus-url-mailto url-mailto))
6915 (t (gnus-message 3 "Invalid string.")))))
6917 (defun gnus-button-handle-custom (fun arg)
6918 "Call function FUN on argument ARG.
6919 Both FUN and ARG are supposed to be strings. ARG will be passed
6920 as a symbol to FUN."
6921 (funcall (intern fun)
6922 (if (string-match "^customize-apropos" fun)
6926 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6928 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6931 (defun gnus-button-handle-describe-function (url)
6932 "Call `describe-function' when pushing the corresponding URL button."
6935 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6937 (defun gnus-button-handle-describe-variable (url)
6938 "Call `describe-variable' when pushing the corresponding URL button."
6941 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6943 (defun gnus-button-handle-symbol (url)
6944 "Display help on variable or function.
6945 Calls `describe-variable' or `describe-function'."
6946 (let ((sym (intern url)))
6948 ((fboundp sym) (describe-function sym))
6949 ((boundp sym) (describe-variable sym))
6950 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6952 (defun gnus-button-handle-describe-key (url)
6953 "Call `describe-key' when pushing the corresponding URL button."
6955 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6956 (keys (ignore-errors (eval `(kbd ,key-string)))))
6959 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6961 (defun gnus-button-handle-apropos (url)
6962 "Call `apropos' when pushing the corresponding URL button."
6963 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6965 (defun gnus-button-handle-apropos-command (url)
6966 "Call `apropos' when pushing the corresponding URL button."
6968 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6970 (defun gnus-button-handle-apropos-variable (url)
6971 "Call `apropos' when pushing the corresponding URL button."
6973 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6974 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6976 (defun gnus-button-handle-apropos-documentation (url)
6977 "Call `apropos' when pushing the corresponding URL button."
6979 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6980 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6982 (defun gnus-button-handle-library (url)
6983 "Call `locate-library' when pushing the corresponding URL button."
6984 (gnus-message 9 "url=`%s'" url)
6985 (let* ((lib (locate-library url))
6986 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6988 (gnus-message 1 "Cannot locale library `%s'." url)
6989 (find-file-read-only file))))
6991 (defun gnus-button-handle-ctan (url)
6992 "Call `browse-url' when pushing a CTAN URL button."
6994 gnus-button-ctan-handler
6997 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6999 (defcustom gnus-button-tex-level 5
7000 "*Integer that says how many TeX-related buttons Gnus will show.
7001 The higher the number, the more buttons will appear and the more false
7002 positives are possible. Note that you can set this variable local to
7003 specific groups. Setting it higher in TeX groups is probably a good idea.
7004 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7005 how to set variables in specific groups."
7007 :group 'gnus-article-buttons
7008 :link '(custom-manual "(gnus)Group Parameters")
7011 (defcustom gnus-button-man-level 5
7012 "*Integer that says how many man-related buttons Gnus will show.
7013 The higher the number, the more buttons will appear and the more false
7014 positives are possible. Note that you can set this variable local to
7015 specific groups. Setting it higher in Unix groups is probably a good idea.
7016 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7017 how to set variables in specific groups."
7019 :group 'gnus-article-buttons
7020 :link '(custom-manual "(gnus)Group Parameters")
7023 (defcustom gnus-button-emacs-level 5
7024 "*Integer that says how many emacs-related buttons Gnus will show.
7025 The higher the number, the more buttons will appear and the more false
7026 positives are possible. Note that you can set this variable local to
7027 specific groups. Setting it higher in Emacs or Gnus related groups is
7028 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
7029 `gnus-parameters' on how to set variables in specific groups."
7031 :group 'gnus-article-buttons
7032 :link '(custom-manual "(gnus)Group Parameters")
7035 (defcustom gnus-button-message-level 5
7036 "*Integer that says how many buttons for news or mail messages will appear.
7037 The higher the number, the more buttons will appear and the more false
7038 positives are possible."
7039 ;; mail addresses, MIDs, URLs for news, ...
7041 :group 'gnus-article-buttons
7044 (defcustom gnus-button-browse-level 5
7045 "*Integer that says how many buttons for browsing will appear.
7046 The higher the number, the more buttons will appear and the more false
7047 positives are possible."
7048 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
7050 :group 'gnus-article-buttons
7053 (defcustom gnus-button-alist
7054 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
7055 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
7056 ((concat "\\b\\(nntp\\|news\\):\\("
7057 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
7058 0 t gnus-button-handle-news 2)
7059 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
7060 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
7061 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
7062 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
7063 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
7064 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
7065 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
7066 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7067 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7068 ("\\b\\(mid\\|message-id\\):? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7069 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7070 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
7071 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
7072 ;; RFC 2368 (The mailto URL scheme)
7073 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7074 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7075 ("\\bmailto:\\([^ \n\t]+\\)"
7076 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7078 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
7079 gnus-button-ctan-directory-regexp
7080 "[^][>)!;:,'\n\t ]+\\)")
7081 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
7082 ((concat "\\btex-archive/\\("
7083 gnus-button-ctan-directory-regexp
7084 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
7085 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
7088 gnus-button-ctan-directory-regexp
7089 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
7090 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
7091 ;; This is info (home-grown style) <info://foo/bar+baz>
7092 ("\\binfo://\\([^'\">\n\t ]+\\)"
7093 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7094 ;; Info GNOME style <info:foo#bar_baz>
7095 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
7096 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
7097 ;; Info KDE style <info:(foo)bar baz>
7098 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
7099 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
7100 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
7101 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
7102 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
7103 ;; Info links like `C-h i d m CC Mode RET'
7104 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
7106 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
7107 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
7108 ;; Emacs help commands
7109 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7110 ;; regexp doesn't match arguments containing ` '.
7111 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
7112 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7113 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
7114 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7115 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
7116 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7117 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
7118 ;; The following entries may lead to many false positives so don't enable
7119 ;; them by default (use a high button level).
7120 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
7121 ;; Exclude [.?] for URLs in gmane.emacs.cvs
7122 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7123 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
7124 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7125 ("`\\([a-z][a-z0-9]+-[a-z0-9]+-[-a-z0-9]*[a-z]\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
7126 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
7127 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
7128 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
7129 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
7130 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
7131 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7132 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
7133 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7134 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
7135 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7136 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
7137 ("`\\(\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
7138 ;; Unlike the other regexps we really have to require quoting
7139 ;; here to determine where it ends.
7140 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
7141 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
7142 ("<URL: *\\([^\n<>]*\\)>"
7143 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7144 ;; RFC 2396 (2.4.3., delims) ...
7145 ("\"URL: *\\([^\n\"]*\\)\""
7146 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7148 (gnus-button-url-regexp
7149 0 (>= gnus-button-browse-level 0) browse-url 0)
7151 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
7152 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
7153 gnus-button-handle-man 1)
7154 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
7155 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
7156 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
7157 gnus-button-handle-man 1)
7158 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
7159 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
7160 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
7161 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
7162 ;; Recognizing patches to .el files. This is somewhat obscure,
7163 ;; but considering the percentage of Gnus users who hack Emacs
7165 ("^--- \\([^ .]+\\.el\\).*\n.*\n@@ -?\\([0-9]+\\)" 1
7166 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7167 ("^\\*\\*\\* \\([^ .]+\\.el\\).*\n.*\n\\*+\n\\*\\*\\* \\([0-9]+\\)" 1
7168 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7169 ;; MID or mail: To avoid too many false positives we don't try to catch
7170 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
7171 ;; at least one dot. TLD must contain two or three chars or be a know TLD
7172 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
7173 ;; so that non-ambiguous entries (see above) match first.
7174 (gnus-button-mid-or-mail-regexp
7175 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
7176 "*Alist of regexps matching buttons in article bodies.
7178 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
7179 REGEXP: is the string (case insensitive) matching text around the button (can
7180 also be Lisp expression evaluating to a string),
7181 BUTTON: is the number of the regexp grouping actually matching the button,
7182 FORM: is a Lisp expression which must eval to true for the button to
7184 CALLBACK: is the function to call when the user push this button, and each
7185 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
7187 CALLBACK can also be a variable, in that case the value of that
7188 variable it the real callback function."
7189 :group 'gnus-article-buttons
7190 :type '(repeat (list (choice regexp variable sexp)
7191 (integer :tag "Button")
7193 (function :tag "Callback")
7196 (integer :tag "Regexp group")))))
7197 (put 'gnus-button-alist 'risky-local-variable t)
7199 (defcustom gnus-header-button-alist
7200 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
7201 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
7202 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
7203 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
7204 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
7205 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
7206 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
7207 0 (>= gnus-button-browse-level 0) browse-url 0)
7208 ("^Subject:" gnus-button-url-regexp
7209 0 (>= gnus-button-browse-level 0) browse-url 0)
7210 ("^[^:]+:" gnus-button-url-regexp
7211 0 (>= gnus-button-browse-level 0) browse-url 0)
7212 ("^OpenPGP:.*url=" gnus-button-url-regexp
7213 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
7214 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7215 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7216 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
7217 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
7218 "*Alist of headers and regexps to match buttons in article heads.
7220 This alist is very similar to `gnus-button-alist', except that each
7221 alist has an additional HEADER element first in each entry:
7223 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
7225 HEADER is a regexp to match a header. For a fuller explanation, see
7226 `gnus-button-alist'."
7227 :group 'gnus-article-buttons
7228 :group 'gnus-article-headers
7229 :type '(repeat (list (regexp :tag "Header")
7230 (choice regexp variable)
7231 (integer :tag "Button")
7233 (function :tag "Callback")
7236 (integer :tag "Regexp group")))))
7237 (put 'gnus-header-button-alist 'risky-local-variable t)
7241 (defun gnus-article-push-button (event)
7242 "Check text under the mouse pointer for a callback function.
7243 If the text under the mouse pointer has a `gnus-callback' property,
7244 call it with the value of the `gnus-data' text property."
7246 (set-buffer (window-buffer (posn-window (event-start event))))
7247 (let* ((pos (posn-point (event-start event)))
7248 (data (get-text-property pos 'gnus-data))
7249 (fun (get-text-property pos 'gnus-callback)))
7252 (funcall fun data))))
7254 (defun gnus-article-press-button ()
7255 "Check text at point for a callback function.
7256 If the text at point has a `gnus-callback' property,
7257 call it with the value of the `gnus-data' text property."
7259 (let ((data (get-text-property (point) 'gnus-data))
7260 (fun (get-text-property (point) 'gnus-callback)))
7262 (funcall fun data))))
7264 (defun gnus-article-highlight (&optional force)
7265 "Highlight current article.
7266 This function calls `gnus-article-highlight-headers',
7267 `gnus-article-highlight-citation',
7268 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7269 do the highlighting. See the documentation for those functions."
7270 (interactive (list 'force))
7271 (gnus-article-highlight-headers)
7272 (gnus-article-highlight-citation force)
7273 (gnus-article-highlight-signature)
7274 (gnus-article-add-buttons force)
7275 (gnus-article-add-buttons-to-head))
7277 (defun gnus-article-highlight-some (&optional force)
7278 "Highlight current article.
7279 This function calls `gnus-article-highlight-headers',
7280 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7281 do the highlighting. See the documentation for those functions."
7282 (interactive (list 'force))
7283 (gnus-article-highlight-headers)
7284 (gnus-article-highlight-signature)
7285 (gnus-article-add-buttons))
7287 (defun gnus-article-highlight-headers ()
7288 "Highlight article headers as specified by `gnus-header-face-alist'."
7290 (gnus-with-article-headers
7291 (let (regexp header-face field-face from hpoints fpoints)
7292 (dolist (entry gnus-header-face-alist)
7293 (goto-char (point-min))
7294 (setq regexp (concat "^\\("
7295 (if (string-equal "" (nth 0 entry))
7299 header-face (nth 1 entry)
7300 field-face (nth 2 entry))
7301 (while (and (re-search-forward regexp nil t)
7305 (unless (search-forward ":" nil t)
7307 (when (and header-face
7308 (not (memq (point) hpoints)))
7309 (push (point) hpoints)
7310 (gnus-put-text-property from (point) 'face header-face))
7311 (when (and field-face
7312 (not (memq (setq from (point)) fpoints)))
7314 (if (re-search-forward "^[^ \t]" nil t)
7316 (goto-char (point-max)))
7317 (gnus-put-text-property from (point) 'face field-face)))))))
7319 (defun gnus-article-highlight-signature ()
7320 "Highlight the signature in an article.
7321 It does this by highlighting everything after
7322 `gnus-signature-separator' using the face `gnus-signature'."
7324 (gnus-with-article-buffer
7325 (let ((inhibit-point-motion-hooks t))
7327 (when (and gnus-signature-face
7328 (gnus-article-narrow-to-signature))
7329 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max) nil t)
7330 'face gnus-signature-face)
7332 (gnus-article-search-signature)
7333 (let ((start (match-beginning 0))
7334 (end (set-marker (make-marker) (1+ (match-end 0)))))
7335 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
7338 (defun gnus-button-in-region-p (b e prop)
7339 "Say whether PROP exists in the region."
7340 (text-property-not-all b e prop nil))
7342 (defun gnus-article-add-buttons (&optional force)
7343 "Find external references in the article and make buttons of them.
7344 \"External references\" are things like Message-IDs and URLs, as
7345 specified by `gnus-button-alist'."
7346 (interactive (list 'force))
7347 (gnus-with-article-buffer
7348 (let ((inhibit-point-motion-hooks t)
7349 (case-fold-search t)
7350 (alist gnus-button-alist)
7352 ;; Remove all old markers.
7353 (let (marker entry new-list)
7354 (while (setq marker (pop gnus-button-marker-list))
7355 (if (or (< marker (point-min)) (>= marker (point-max)))
7356 (push marker new-list)
7358 (when (setq entry (gnus-button-entry))
7359 (put-text-property (match-beginning (nth 1 entry))
7360 (match-end (nth 1 entry))
7361 'gnus-callback nil))
7362 (set-marker marker nil)))
7363 (setq gnus-button-marker-list new-list))
7364 ;; We skip the headers.
7367 (while (setq entry (pop alist))
7368 (setq regexp (eval (car entry)))
7370 (while (re-search-forward regexp nil t)
7371 (let ((start (match-beginning (nth 1 entry)))
7372 (end (match-end (nth 1 entry)))
7373 (from (match-beginning 0)))
7374 (when (and (or (eq t (nth 2 entry))
7375 (eval (nth 2 entry)))
7376 (not (gnus-button-in-region-p
7377 start end 'gnus-callback)))
7378 ;; That optional form returned non-nil, so we add the
7380 (setq from (set-marker (make-marker) from))
7381 (push from gnus-button-marker-list)
7382 (unless (and (eq (car entry) 'gnus-button-url-regexp)
7383 (gnus-article-extend-url-button from start end))
7384 (gnus-article-add-button start end
7385 'gnus-button-push from)))))))))
7387 (defun gnus-article-extend-url-button (beg start end)
7388 "Extend url button if url is folded into two or more lines.
7389 Return non-nil if button is extended. BEG is a marker that points to
7390 the beginning position of a text containing url. START and END are
7391 the endpoints of a url button before it is extended. The concatenated
7392 url is put as the `gnus-button-url' overlay property on the button."
7393 (let ((opoint (point))
7394 (points (list start end))
7399 (not (looking-at "[\t ]*[\">]")))
7403 "\\(?:\"\\|\\(<\\)\\)[\t ]*\\(?:url[\t ]*:[\t ]*\\)?\\'"
7404 (buffer-substring (point-at-bol) start)))
7406 (setq url (list (buffer-substring start end))
7407 delim (if (match-beginning 1) ">" "\""))
7409 (setq regexp (concat
7410 (when (and (looking-at
7411 message-cite-prefix-regexp)
7412 (< (match-end 0) start))
7413 (regexp-quote (match-string 0)))
7415 \[\t ]*\\(?:\\([^\t\n \">]+\\)[\t ]*$\\|\\([^\t\n \">]*\\)[\t ]*"
7419 (and (looking-at regexp)
7422 (push (or (match-string 2)
7425 (push (setq end (or (match-end 2)
7428 (push (or (match-beginning 2)
7429 (match-beginning 1))
7431 (match-beginning 2)))
7432 (let (gnus-article-mouse-face widget-mouse-face)
7434 (gnus-article-add-button (pop points) (pop points)
7435 'gnus-button-push beg)))
7436 (let ((overlay (gnus-make-overlay start end)))
7437 (gnus-overlay-put overlay 'evaporate t)
7438 (gnus-overlay-put overlay 'gnus-button-url
7439 (list (mapconcat 'identity (nreverse url) "")))
7440 (when gnus-article-mouse-face
7441 (gnus-overlay-put overlay 'mouse-face gnus-article-mouse-face)))
7443 (goto-char opoint))))
7445 ;; Add buttons to the head of an article.
7446 (defun gnus-article-add-buttons-to-head ()
7447 "Add buttons to the head of the article."
7449 (gnus-with-article-headers
7451 (dolist (entry gnus-header-button-alist)
7452 ;; Each alist entry.
7453 (goto-char (point-min))
7454 (while (re-search-forward (car entry) nil t)
7455 ;; Each header matching the entry.
7456 (setq beg (match-beginning 0))
7457 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7458 (match-beginning 0))
7461 (while (re-search-forward (eval (nth 1 entry)) end t)
7462 ;; Each match within a header.
7463 (let* ((entry (cdr entry))
7464 (start (match-beginning (nth 1 entry)))
7465 (end (match-end (nth 1 entry)))
7466 (form (nth 2 entry)))
7467 (goto-char (match-end 0))
7469 (gnus-article-add-button
7470 start end (nth 3 entry)
7471 (buffer-substring (match-beginning (nth 4 entry))
7472 (match-end (nth 4 entry)))))))
7473 (goto-char end))))))
7475 ;;; External functions:
7477 (defun gnus-article-add-button (from to fun &optional data)
7478 "Create a button between FROM and TO with callback FUN and data DATA."
7479 (when gnus-article-button-face
7480 (gnus-overlay-put (gnus-make-overlay from to nil t)
7481 'face gnus-article-button-face))
7482 (gnus-add-text-properties
7484 (nconc (and gnus-article-mouse-face
7485 (list gnus-mouse-face-prop gnus-article-mouse-face))
7486 (list 'gnus-callback fun)
7487 (and data (list 'gnus-data data))))
7488 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7489 :button-keymap gnus-widget-button-keymap))
7491 ;;; Internal functions:
7493 (defun gnus-article-set-globals ()
7494 (with-current-buffer gnus-summary-buffer
7495 (gnus-set-global-variables)))
7497 (defun gnus-signature-toggle (end)
7498 (gnus-with-article-buffer
7499 (let ((inhibit-point-motion-hooks t))
7500 (if (text-property-any end (point-max) 'article-type 'signature)
7502 (gnus-delete-wash-type 'signature)
7503 (gnus-remove-text-properties-when
7504 'article-type 'signature end (point-max)
7505 (cons 'article-type (cons 'signature
7506 gnus-hidden-properties))))
7507 (gnus-add-wash-type 'signature)
7508 (gnus-add-text-properties-when
7509 'article-type nil end (point-max)
7510 (cons 'article-type (cons 'signature
7511 gnus-hidden-properties)))))
7512 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7513 (gnus-set-mode-line 'article))))
7515 (defun gnus-button-entry ()
7516 ;; Return the first entry in `gnus-button-alist' matching this place.
7517 (let ((alist gnus-button-alist)
7520 (setq entry (pop alist))
7521 (if (looking-at (eval (car entry)))
7526 (defun gnus-button-push (marker)
7527 ;; Push button starting at MARKER.
7530 (let* ((entry (gnus-button-entry))
7531 (inhibit-point-motion-hooks t)
7533 (args (or (and (eq (car entry) 'gnus-button-url-regexp)
7534 (get-char-property marker 'gnus-button-url))
7535 (mapcar (lambda (group)
7536 (let ((string (match-string group)))
7537 (set-text-properties
7538 0 (length string) nil string)
7540 (nthcdr 4 entry)))))
7545 (fboundp (symbol-value fun)))
7546 (apply (symbol-value fun) args))
7548 (gnus-message 1 "You must define `%S' to use this button"
7549 (cons fun args)))))))
7551 (defun gnus-parse-news-url (url)
7552 (let (scheme server port group message-id articles)
7555 (goto-char (point-min))
7556 (when (looking-at "\\([A-Za-z]+\\):")
7557 (setq scheme (match-string 1))
7558 (goto-char (match-end 0)))
7559 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7560 (setq server (match-string 1))
7561 (setq port (if (stringp (match-string 3))
7562 (string-to-number (match-string 3))
7564 (goto-char (match-end 0)))
7567 ((looking-at "\\(.*@.*\\)")
7568 (setq message-id (match-string 1)))
7569 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7570 (setq group (match-string 1)
7571 articles (split-string (match-string 2) "-")))
7572 ((looking-at "\\([^/]+\\)/?")
7573 (setq group (match-string 1)))
7575 (error "Unknown news URL syntax"))))
7576 (list scheme server port group message-id articles)))
7578 (defun gnus-button-handle-news (url)
7580 (destructuring-bind (scheme server port group message-id articles)
7581 (gnus-parse-news-url url)
7585 (set-buffer gnus-summary-buffer)
7587 (let ((gnus-refer-article-method
7588 (nconc (list (list 'nntp server))
7589 gnus-refer-article-method))
7590 (nntp-port-number (or port "nntp")))
7591 (gnus-message 7 "Fetching %s with %s"
7592 message-id gnus-refer-article-method)
7593 (gnus-summary-refer-article message-id))
7594 (gnus-summary-refer-article message-id))))
7596 (gnus-button-fetch-group url)))))
7598 (defun gnus-button-patch (library line)
7599 "Visit an Emacs Lisp library LIBRARY on line LINE."
7601 (let ((file (locate-library (file-name-nondirectory library))))
7603 (error "Couldn't find library %s" library))
7605 (goto-line (string-to-number line))))
7607 (defun gnus-button-handle-man (url)
7609 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7610 (when (eq gnus-button-man-handler 'woman)
7611 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7612 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7613 (funcall gnus-button-man-handler url))
7615 (defun gnus-button-handle-info-url (url)
7616 "Fetch an info URL."
7617 (setq url (mm-subst-char-in-string ?+ ?\ url))
7619 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7620 (gnus-info-find-node
7621 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7623 ")" (gnus-url-unhex-string (match-string 2 url)))))
7624 ((string-match "([^)\"]+)[^\"]+" url)
7626 (gnus-replace-in-string
7627 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7628 (gnus-info-find-node url))
7629 (t (error "Can't parse %s" url))))
7631 (defun gnus-button-handle-info-url-gnome (url)
7632 "Fetch GNOME style info URL."
7633 (setq url (mm-subst-char-in-string ?_ ?\ url))
7634 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7635 (gnus-info-find-node
7637 (gnus-url-unhex-string
7638 (match-string 1 url))
7640 (or (gnus-url-unhex-string
7641 (match-string 2 url))
7643 (error "Can't parse %s" url)))
7645 (defun gnus-button-handle-info-url-kde (url)
7646 "Fetch KDE style info URL."
7647 (gnus-info-find-node (gnus-url-unhex-string url)))
7649 (defun gnus-button-handle-info-keystrokes (url)
7650 "Call `info' when pushing the corresponding URL button."
7651 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7656 (defun gnus-button-openpgp (url)
7657 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
7659 (mm-url-insert-file-contents-external url)
7660 (pgg-snarf-keys-region (point-min) (point-max))
7661 (pgg-display-output-buffer nil nil nil)))
7663 (defun gnus-button-message-id (message-id)
7665 (with-current-buffer gnus-summary-buffer
7666 (gnus-summary-refer-article message-id)))
7668 (defun gnus-button-fetch-group (address &rest ignore)
7669 "Fetch GROUP specified by ADDRESS."
7670 (when (string-match "\\`\\(nntp\\|news\\):\\(//\\)?\\(.*\\)\\'"
7672 ;; Allow to use `gnus-button-fetch-group' in `browse-url-browser-function'
7673 ;; for nntp:// and news://
7674 (setq address (match-string 3 address)))
7675 (if (not (string-match "[:/]" address))
7676 ;; This is just a simple group url.
7677 (gnus-group-read-ephemeral-group address gnus-select-method)
7680 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7682 (error "Can't parse %s" address)
7683 (gnus-group-read-ephemeral-group
7684 (match-string 4 address)
7685 `(nntp ,(match-string 1 address)
7686 (nntp-address ,(match-string 1 address))
7687 (nntp-port-number ,(if (match-end 3)
7688 (match-string 3 address)
7691 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
7693 (defun gnus-url-parse-query-string (query &optional downcase)
7694 (let (retval pairs cur key val)
7695 (setq pairs (split-string query "&"))
7697 (setq cur (car pairs)
7699 (if (not (string-match "=" cur))
7701 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7702 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7704 (setq key (downcase key)))
7705 (setq cur (assoc key retval))
7707 (setcdr cur (cons val (cdr cur)))
7708 (setq retval (cons (list key val) retval)))))
7711 (defun gnus-url-mailto (url)
7712 ;; Send mail to someone
7713 (when (string-match "mailto:/*\\(.*\\)" url)
7714 (setq url (substring url (match-beginning 1) nil)))
7715 (let (to args subject func)
7716 (setq args (gnus-url-parse-query-string
7717 (if (string-match "^\\?" url)
7719 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7720 (concat "to=" (match-string 1 url) "&"
7721 (match-string 2 url))
7722 (concat "to=" url)))
7724 subject (cdr-safe (assoc "subject" args)))
7727 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7730 (message-position-on-field (caar args)))
7731 (insert (gnus-replace-in-string
7732 (mapconcat 'identity (reverse (cdar args)) ", ")
7734 (setq args (cdr args)))
7737 (message-goto-subject))))
7739 (defun gnus-button-embedded-url (address)
7740 "Activate ADDRESS with `browse-url'."
7741 (browse-url (gnus-strip-whitespace address)))
7743 ;;; Next/prev buttons in the article buffer.
7745 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7746 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7748 (defvar gnus-prev-page-map
7749 (let ((map (make-sparse-keymap)))
7750 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7751 (define-key map "\r" 'gnus-button-prev-page)
7754 (defvar gnus-next-page-map
7755 (let ((map (make-sparse-keymap)))
7756 (unless (>= emacs-major-version 21)
7757 ;; XEmacs doesn't care.
7758 (set-keymap-parent map gnus-article-mode-map))
7759 (define-key map gnus-mouse-2 'gnus-button-next-page)
7760 (define-key map "\r" 'gnus-button-next-page)
7763 (defun gnus-insert-prev-page-button ()
7765 (inhibit-read-only t))
7767 gnus-prev-page-line-format nil
7768 `(keymap ,gnus-prev-page-map
7770 gnus-callback gnus-article-button-prev-page
7771 article-type annotation))
7773 ;; Exclude a newline.
7776 (when gnus-article-button-face
7777 (gnus-overlay-put (gnus-make-overlay b e nil t)
7778 'face gnus-article-button-face))
7779 (widget-convert-button
7781 :action 'gnus-button-prev-page
7782 :button-keymap gnus-prev-page-map)))
7784 (defun gnus-button-next-page (&optional args more-args)
7785 "Go to the next page."
7787 (let ((win (selected-window)))
7788 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7789 (gnus-article-next-page)
7790 (select-window win)))
7792 (defun gnus-button-prev-page (&optional args more-args)
7793 "Go to the prev page."
7795 (let ((win (selected-window)))
7796 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7797 (gnus-article-prev-page)
7798 (select-window win)))
7800 (defun gnus-insert-next-page-button ()
7802 (inhibit-read-only t))
7803 (gnus-eval-format gnus-next-page-line-format nil
7804 `(keymap ,gnus-next-page-map
7806 gnus-callback gnus-article-button-next-page
7807 article-type annotation))
7809 ;; Exclude a newline.
7812 (when gnus-article-button-face
7813 (gnus-overlay-put (gnus-make-overlay b e nil t)
7814 'face gnus-article-button-face))
7815 (widget-convert-button
7817 :action 'gnus-button-next-page
7818 :button-keymap gnus-next-page-map)))
7820 (defun gnus-article-button-next-page (arg)
7821 "Go to the next page."
7823 (let ((win (selected-window)))
7824 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7825 (gnus-article-next-page)
7826 (select-window win)))
7828 (defun gnus-article-button-prev-page (arg)
7829 "Go to the prev page."
7831 (let ((win (selected-window)))
7832 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7833 (gnus-article-prev-page)
7834 (select-window win)))
7836 (defvar gnus-decode-header-methods
7837 '(mail-decode-encoded-word-region)
7838 "List of methods used to decode headers.
7840 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7841 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7842 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7843 whose names match REGEXP.
7846 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7847 mail-decode-encoded-word-region
7848 (\"chinese\" . rfc1843-decode-region))
7851 (defvar gnus-decode-header-methods-cache nil)
7853 (defun gnus-multi-decode-header (start end)
7854 "Apply the functions from `gnus-encoded-word-methods' that match."
7855 (unless (and gnus-decode-header-methods-cache
7856 (eq gnus-newsgroup-name
7857 (car gnus-decode-header-methods-cache)))
7858 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7859 (dolist (x gnus-decode-header-methods)
7861 (nconc gnus-decode-header-methods-cache (list x))
7862 (if (and gnus-newsgroup-name
7863 (string-match (car x) gnus-newsgroup-name))
7864 (nconc gnus-decode-header-methods-cache
7866 (let ((xlist gnus-decode-header-methods-cache))
7869 (narrow-to-region start end)
7871 (funcall (pop xlist) (point-min) (point-max))))))
7874 ;;; Treatment top-level handling.
7877 (defun gnus-treat-article (condition &optional part-number total-parts type)
7878 (let ((length (- (point-max) (point-min)))
7879 (alist gnus-treatment-function-alist)
7880 (article-goto-body-goes-to-point-min-p t)
7884 (let ((list gnus-article-treat-types))
7886 (when (string-match (pop list) type)
7887 (throw 'found t)))))))
7888 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7890 (gnus-run-hooks 'gnus-part-display-hook)
7891 (dolist (elem alist)
7894 (when (gnus-buffer-live-p gnus-summary-buffer)
7895 (set-buffer gnus-summary-buffer))
7896 (symbol-value (car elem))))
7897 (when (and (or (consp val)
7899 (gnus-treat-predicate val)
7900 (or (not (get (car elem) 'highlight))
7903 (funcall (cadr elem)))))))
7905 ;; Dynamic variables.
7907 (defvar part-number)
7908 (defvar total-parts)
7913 (defun gnus-treat-predicate (val)
7920 (stringp (car val)))
7921 (apply 'gnus-or (mapcar `(lambda (s)
7922 (string-match s ,(or gnus-newsgroup-name "")))
7925 (let ((pred (pop val)))
7928 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7930 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7932 (not (gnus-treat-predicate (car val))))
7934 (equal (car val) type))
7936 (error "%S is not a valid predicate" pred)))))
7944 (eq part-number total-parts))
7948 (error "%S is not a valid value" val))))
7950 (defun gnus-article-encrypt-body (protocol &optional n)
7951 "Encrypt the article body."
7954 (or gnus-article-encrypt-protocol
7955 (completing-read "Encrypt protocol: "
7956 gnus-article-encrypt-protocol-alist
7958 current-prefix-arg))
7959 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7961 (error "Can't find the encrypt protocol %s" protocol))
7962 (if (member gnus-newsgroup-name '("nndraft:delayed"
7965 (error "Can't encrypt the article in group %s"
7966 gnus-newsgroup-name))
7967 (gnus-summary-iterate n
7969 (set-buffer gnus-summary-buffer)
7970 (let ((mail-parse-charset gnus-newsgroup-charset)
7971 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7972 (summary-buffer gnus-summary-buffer)
7974 (gnus-set-global-variables)
7975 (when (gnus-group-read-only-p)
7976 (error "The current newsgroup does not support article encrypt"))
7977 (gnus-summary-show-article t)
7979 (or (mail-header-references gnus-current-headers) ""))
7980 (set-buffer gnus-article-buffer)
7981 (let* ((inhibit-read-only t)
7983 (mapcar (lambda (field)
7984 (and (save-restriction
7985 (message-narrow-to-head)
7986 (goto-char (point-min))
7987 (search-forward field nil t))
7989 (message-narrow-to-field)
7991 (delete-region (point-min) (point-max))
7993 '("Content-Type:" "Content-Transfer-Encoding:"
7994 "Content-Disposition:"))))
7995 (message-narrow-to-head)
7996 (message-remove-header "MIME-Version")
7997 (goto-char (point-max))
7998 (setq point (point))
7999 (insert (apply 'concat headers))
8001 (narrow-to-region point (point-max))
8002 (let ((message-options message-options))
8003 (message-options-set 'message-sender user-mail-address)
8004 (message-options-set 'message-recipients user-mail-address)
8005 (message-options-set 'message-sign-encrypt 'not)
8007 (goto-char (point-min))
8008 (insert "MIME-Version: 1.0\n")
8010 (gnus-summary-edit-article-done
8011 references nil summary-buffer t))
8012 (when gnus-keep-backlog
8013 (gnus-backlog-remove-article
8014 (car gnus-article-current) (cdr gnus-article-current)))
8016 (when (get-buffer gnus-original-article-buffer)
8017 (set-buffer gnus-original-article-buffer)
8018 (setq gnus-original-article nil)))
8019 (when gnus-use-cache
8020 (gnus-cache-update-article
8021 (car gnus-article-current) (cdr gnus-article-current))))))))
8023 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
8024 "The following specs can be used:
8025 %t The security MIME type
8028 %D Details if button is pressed")
8030 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
8031 "The following specs can be used:
8032 %t The security MIME type
8035 %D Details if button is pressed")
8037 (defvar gnus-mime-security-button-line-format-alist
8038 '((?t gnus-tmp-type ?s)
8039 (?i gnus-tmp-info ?s)
8040 (?d gnus-tmp-details ?s)
8041 (?D gnus-tmp-pressed-details ?s)))
8043 (defvar gnus-mime-security-button-commands
8044 '((gnus-article-press-button "\r" "Show Detail")
8048 (gnus-mime-security-save-part "o" "Save...")
8057 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
8060 (defvar gnus-mime-security-button-map
8061 (let ((map (make-sparse-keymap)))
8062 (define-key map gnus-mouse-2 'gnus-article-push-button)
8063 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
8064 (dolist (c gnus-mime-security-button-commands)
8065 (define-key map (cadr c) (car c)))
8069 gnus-mime-security-button-menu gnus-mime-security-button-map
8070 "Security button menu."
8074 (unless (eq (car c) 'undefined)
8075 (vector (caddr c) (car c) :active t)))
8076 gnus-mime-security-button-commands))))
8078 (defun gnus-mime-security-button-menu (event prefix)
8079 "Construct a context-sensitive menu of security commands."
8080 (interactive "e\nP")
8081 (save-window-excursion
8082 (let ((pos (event-start event)))
8083 (select-window (posn-window pos))
8084 (goto-char (posn-point pos))
8085 (gnus-article-check-buffer)
8086 (popup-menu gnus-mime-security-button-menu nil prefix))))
8088 (defvar gnus-mime-security-details-buffer nil)
8090 (defvar gnus-mime-security-button-pressed nil)
8092 (defvar gnus-mime-security-show-details-inline t
8093 "If non-nil, show details in the article buffer.")
8095 (defun gnus-mime-security-verify-or-decrypt (handle)
8096 (mm-remove-parts (cdr handle))
8097 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
8098 point (inhibit-read-only t))
8100 (goto-char (car region)))
8101 (setq point (point))
8102 (with-current-buffer (mm-handle-multipart-original-buffer handle)
8103 (let* ((mm-verify-option 'known)
8104 (mm-decrypt-option 'known)
8105 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
8106 (unless (eq nparts (cdr handle))
8107 (mm-destroy-parts (cdr handle))
8108 (setcdr handle nparts))))
8109 (gnus-mime-display-security handle)
8111 (delete-region (point) (cdr region))
8112 (set-marker (car region) nil)
8113 (set-marker (cdr region) nil))
8116 (defun gnus-mime-security-show-details (handle)
8117 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
8119 (gnus-message 5 "No details.")
8120 (if gnus-mime-security-show-details-inline
8121 (let ((gnus-mime-security-button-pressed
8122 (not (get-text-property (point) 'gnus-mime-details)))
8123 (gnus-mime-security-button-line-format
8124 (get-text-property (point) 'gnus-line-format))
8125 (inhibit-read-only t))
8127 (while (eq (get-text-property (point) 'gnus-line-format)
8128 gnus-mime-security-button-line-format)
8132 (narrow-to-region (point) (point))
8133 (gnus-insert-mime-security-button handle))
8134 (delete-region (point)
8135 (or (text-property-not-all
8138 gnus-mime-security-button-line-format)
8141 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
8142 (with-current-buffer gnus-mime-security-details-buffer
8145 (setq gnus-mime-security-details-buffer
8146 (gnus-get-buffer-create "*MIME Security Details*")))
8147 (with-current-buffer gnus-mime-security-details-buffer
8149 (goto-char (point-min)))
8150 (pop-to-buffer gnus-mime-security-details-buffer)))))
8152 (defun gnus-mime-security-press-button (handle)
8154 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8155 (gnus-mime-security-show-details handle)
8156 (gnus-mime-security-verify-or-decrypt handle))))
8158 (defun gnus-insert-mime-security-button (handle &optional displayed)
8159 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
8162 (or (nth 2 (assoc protocol mm-verify-function-alist))
8163 (nth 2 (assoc protocol mm-decrypt-function-alist))
8165 (if (equal (car handle) "multipart/signed")
8166 " Signed" " Encrypted")
8169 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8172 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
8173 gnus-tmp-pressed-details
8175 (setq gnus-tmp-details
8176 (if gnus-tmp-details
8177 (concat "\n" gnus-tmp-details)
8179 (setq gnus-tmp-pressed-details
8180 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
8185 gnus-mime-security-button-line-format
8186 gnus-mime-security-button-line-format-alist
8187 `(keymap ,gnus-mime-security-button-map
8188 gnus-callback gnus-mime-security-press-button
8189 gnus-line-format ,gnus-mime-security-button-line-format
8190 gnus-mime-details ,gnus-mime-security-button-pressed
8191 article-type annotation
8194 ;; Exclude a newline.
8197 (when gnus-article-button-face
8198 (gnus-overlay-put (gnus-make-overlay b e nil t)
8199 'face gnus-article-button-face))
8200 (widget-convert-button
8203 :action 'gnus-widget-press-button
8204 :button-keymap gnus-mime-security-button-map
8206 (lambda (widget/window &optional overlay pos)
8207 ;; Needed to properly clear the message due to a bug in
8208 ;; wid-edit (XEmacs only).
8209 (when (boundp 'help-echo-owns-message)
8210 (setq help-echo-owns-message t))
8212 "%S: show detail; %S: more options"
8213 (aref gnus-mouse-2 0)
8214 (aref gnus-down-mouse-3 0))))))
8216 (defun gnus-mime-display-security (handle)
8218 (narrow-to-region (point) (point))
8219 (unless (gnus-unbuttonized-mime-type-p (car handle))
8220 (gnus-insert-mime-security-button handle))
8221 (gnus-mime-display-part (cadr handle))
8224 (unless (gnus-unbuttonized-mime-type-p (car handle))
8225 (let ((gnus-mime-security-button-line-format
8226 gnus-mime-security-button-end-line-format))
8227 (gnus-insert-mime-security-button handle)))
8228 (mm-set-handle-multipart-parameter
8230 (cons (set-marker (make-marker) (point-min))
8231 (set-marker (make-marker) (point-max))))
8232 (goto-char (point-max))))
8234 (defun gnus-mime-security-run-function (function)
8235 "Run FUNCTION with the security part under point."
8236 (gnus-article-check-buffer)
8237 (let ((data (get-text-property (point) 'gnus-data))
8239 (when (and (stringp (car-safe data))
8240 (setq buffer (mm-handle-multipart-original-buffer data))
8241 (setq handle (cadr data)))
8242 (if (bufferp (mm-handle-buffer handle))
8244 (setq handle (cons buffer (copy-sequence (cdr handle))))
8245 (mm-handle-set-undisplayer handle nil))
8246 (setq handle (mm-make-handle
8248 (mm-handle-multipart-ctl-parameter handle 'protocol)
8249 nil nil nil nil nil nil)))
8250 (funcall function handle))))
8252 (defun gnus-mime-security-save-part ()
8253 "Save the security part under point."
8255 (gnus-mime-security-run-function 'mm-save-part))
8257 (defun gnus-mime-security-pipe-part ()
8258 "Pipe the security part under point to a process."
8260 (gnus-mime-security-run-function 'mm-pipe-part))
8266 (run-hooks 'gnus-art-load-hook)
8268 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
8269 ;;; gnus-art.el ends here