1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
33 (defvar w3m-minor-mode-map
))
48 (autoload 'gnus-msg-mail
"gnus-msg" nil t
)
49 (autoload 'gnus-button-mailto
"gnus-msg")
50 (autoload 'gnus-button-reply
"gnus-msg" nil t
)
51 (autoload 'parse-time-string
"parse-time" nil nil
)
52 (autoload 'mm-extern-cache-contents
"mm-extern")
54 (defgroup gnus-article nil
56 :link
'(custom-manual "(gnus)Article Buffer")
59 (defgroup gnus-article-treat nil
60 "Treating article parts."
61 :link
'(custom-manual "(gnus)Article Hiding")
64 (defgroup gnus-article-hiding nil
65 "Hiding article parts."
66 :link
'(custom-manual "(gnus)Article Hiding")
69 (defgroup gnus-article-highlight nil
70 "Article highlighting."
71 :link
'(custom-manual "(gnus)Article Highlighting")
75 (defgroup gnus-article-signature nil
77 :link
'(custom-manual "(gnus)Article Signature")
80 (defgroup gnus-article-headers nil
82 :link
'(custom-manual "(gnus)Hiding Headers")
85 (defgroup gnus-article-washing nil
86 "Special commands on articles."
87 :link
'(custom-manual "(gnus)Article Washing")
90 (defgroup gnus-article-emphasis nil
91 "Fontisizing articles."
92 :link
'(custom-manual "(gnus)Article Fontisizing")
95 (defgroup gnus-article-saving nil
97 :link
'(custom-manual "(gnus)Saving Articles")
100 (defgroup gnus-article-mime nil
101 "Worshiping the MIME wonder."
102 :link
'(custom-manual "(gnus)Using MIME")
103 :group
'gnus-article
)
105 (defgroup gnus-article-buttons nil
106 "Pushable buttons in the article buffer."
107 :link
'(custom-manual "(gnus)Article Buttons")
108 :group
'gnus-article
)
110 (defgroup gnus-article-various nil
111 "Other article options."
112 :link
'(custom-manual "(gnus)Misc Article")
113 :group
'gnus-article
)
115 (defcustom gnus-ignored-headers
118 (concat "^" header
":"))
119 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
120 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
121 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
122 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
123 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
124 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
125 "X-Attribution" "X-Originating-IP" "Delivered-To"
126 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
127 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
128 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
129 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
130 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
131 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
132 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
133 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
134 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
135 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
136 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
137 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
138 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
139 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
140 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
141 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
142 "List-[A-Za-z]+" "X-Listprocessor-Version"
143 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
144 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
145 "X-Received" "Content-length" "X-precedence"
146 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
147 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
148 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
149 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
150 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
151 "X-Content-length" "X-Posting-Agent" "Original-Received"
152 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
153 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
154 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
155 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
156 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
157 "*All headers that start with this regexp will be hidden.
158 This variable can also be a list of regexps of headers to be ignored.
159 If `gnus-visible-headers' is non-nil, this variable will be ignored."
160 :type
'(choice :custom-show nil
163 :group
'gnus-article-hiding
)
165 (defcustom gnus-visible-headers
166 "^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:"
167 "*All headers that do not match this regexp will be hidden.
168 This variable can also be a list of regexp of headers to remain visible.
169 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
170 :type
'(repeat :value-to-internal
(lambda (widget value
)
171 (custom-split-regexp-maybe value
))
172 :match
(lambda (widget value
)
174 (widget-editable-list-match widget value
)))
176 :group
'gnus-article-hiding
)
178 (defcustom gnus-sorted-header-list
179 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
180 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
181 "*This variable is a list of regular expressions.
182 If it is non-nil, headers that match the regular expressions will
183 be placed first in the article buffer in the sequence specified by
185 :type
'(repeat regexp
)
186 :group
'gnus-article-hiding
)
188 (defcustom gnus-boring-article-headers
'(empty followup-to reply-to
)
189 "Headers that are only to be displayed if they have interesting data.
190 Possible values in this list are:
192 'empty Headers with no content.
193 'newsgroups Newsgroup identical to Gnus group.
194 'to-address To identical to To-address.
195 'to-list To identical to To-list.
196 'cc-list CC identical to To-list.
197 'followup-to Followup-to identical to Newsgroups.
198 'reply-to Reply-to identical to From.
199 'date Date less than four days old.
200 'long-to To and/or Cc longer than 1024 characters.
201 'many-to Multiple To and/or Cc."
202 :type
'(set (const :tag
"Headers with no content." empty
)
203 (const :tag
"Newsgroups identical to Gnus group." newsgroups
)
204 (const :tag
"To identical to To-address." to-address
)
205 (const :tag
"To identical to To-list." to-list
)
206 (const :tag
"CC identical to To-list." cc-list
)
207 (const :tag
"Followup-to identical to Newsgroups." followup-to
)
208 (const :tag
"Reply-to identical to From." reply-to
)
209 (const :tag
"Date less than four days old." date
)
210 (const :tag
"To and/or Cc longer than 1024 characters." long-to
)
211 (const :tag
"Multiple To and/or Cc headers." many-to
))
212 :group
'gnus-article-hiding
)
214 (defcustom gnus-article-skip-boring nil
215 "Skip over text that is not worth reading.
216 By default, if you set this t, then Gnus will display citations and
217 signatures, but will never scroll down to show you a page consisting
218 only of boring text. Boring text is controlled by
219 `gnus-article-boring-faces'."
222 :group
'gnus-article-hiding
)
224 (defcustom gnus-signature-separator
'("^-- $" "^-- *$")
225 "Regexp matching signature separator.
226 This can also be a list of regexps. In that case, it will be checked
227 from head to tail looking for a separator. Searches will be done from
228 the end of the buffer."
229 :type
'(choice :format
"%{%t%}: %[Value Menu%]\n%v"
231 (repeat :tag
"List of regexp" regexp
))
232 :group
'gnus-article-signature
)
234 (defcustom gnus-signature-limit nil
235 "Provide a limit to what is considered a signature.
236 If it is a number, no signature may not be longer (in characters) than
237 that number. If it is a floating point number, no signature may be
238 longer (in lines) than that number. If it is a function, the function
239 will be called without any parameters, and if it returns nil, there is
240 no signature in the buffer. If it is a string, it will be used as a
241 regexp. If it matches, the text in question is not a signature."
242 :type
'(choice (const nil
)
245 (function :value fun
)
246 (regexp :value
".*"))
247 :group
'gnus-article-signature
)
249 (defcustom gnus-hidden-properties
'(invisible t intangible t
)
250 "Property list to use for hiding text."
252 :group
'gnus-article-hiding
)
254 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
255 ;; frames in a session.
256 (defcustom gnus-article-x-face-command
257 (if (featurep 'xemacs
)
258 (if (or (gnus-image-type-available-p 'xface
)
259 (gnus-image-type-available-p 'pbm
))
260 'gnus-display-x-face-in-from
261 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
262 (if (gnus-image-type-available-p 'pbm
)
263 'gnus-display-x-face-in-from
264 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
266 "*String or function to be executed to display an X-Face header.
267 If it is a string, the command will be executed in a sub-shell
268 asynchronously. The compressed face will be piped to this command."
269 :type
`(choice string
270 (function-item gnus-display-x-face-in-from
)
274 :group
'gnus-article-washing
)
276 (defcustom gnus-article-x-face-too-ugly nil
277 "Regexp matching posters whose face shouldn't be shown automatically."
278 :type
'(choice regexp
(const nil
))
279 :group
'gnus-article-washing
)
281 (defcustom gnus-article-banner-alist nil
282 "Banner alist for stripping.
284 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
286 :type
'(repeat (cons symbol regexp
))
287 :group
'gnus-article-washing
)
289 (gnus-define-group-parameter
292 "Alist of regexps (to match group names) and banner."
293 :variable-group gnus-article-washing
295 '(choice :tag
"Banner"
297 (const :tag
"Remove signature" signature
)
298 (symbol :tag
"Item in `gnus-article-banner-alist'" none
)
300 (const :tag
"None" nil
))
302 "If non-nil, specify how to remove `banners' from articles.
304 Symbol `signature' means to remove signatures delimited by
305 `gnus-signature-separator'. Any other symbol is used to look up a
306 regular expression to match the banner in `gnus-article-banner-alist'.
307 A string is used as a regular expression to match the banner
310 (defcustom gnus-article-address-banner-alist nil
311 "Alist of mail addresses and banners.
312 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
313 to match a mail address in the From: header, BANNER is one of a symbol
314 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
315 If ADDRESS matches author's mail address, it will remove things like
316 advertisements. For example:
318 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
322 (regexp :tag
"Address")
323 (choice :tag
"Banner" :value nil
324 (const :tag
"Remove signature" signature
)
325 (symbol :tag
"Item in `gnus-article-banner-alist'" none
)
327 (const :tag
"None" nil
))))
329 :group
'gnus-article-washing
)
331 (defmacro gnus-emphasis-custom-with-format
(&rest body
)
333 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
334 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
337 (defun gnus-emphasis-custom-value-to-external (value)
338 (gnus-emphasis-custom-with-format
339 (if (consp (car value
))
340 (list (format format
(car (car value
)) (cdr (car value
)))
342 (if (nth 1 value
) 2 3)
346 (defun gnus-emphasis-custom-value-to-internal (value)
347 (gnus-emphasis-custom-with-format
348 (let ((regexp (concat "\\`"
349 (format (regexp-quote format
)
350 "\\([^()]+\\)" "\\([^()]+\\)")
353 (if (string-match regexp
(setq pattern
(car value
)))
354 (list (cons (match-string 1 pattern
) (match-string 2 pattern
))
359 (defcustom gnus-emphasis-alist
361 '(("\\*" "\\*" bold nil
2)
364 ("_/" "/_" underline-italic
)
365 ("_\\*" "\\*_" underline-bold
)
366 ("\\*/" "/\\*" bold-italic
)
367 ("_\\*/" "/\\*_" underline-bold-italic
))))
369 (gnus-emphasis-custom-with-format
370 (mapcar (lambda (spec)
371 (list (format format
(car spec
) (cadr spec
))
374 (intern (format "gnus-emphasis-%s" (nth 2 spec
)))))
376 '(;; I've never seen anyone use this strikethru convention whereas I've
377 ;; several times seen it triggered by normal text. --Stef
378 ;; Miles suggests that this form is sometimes used but for italics,
379 ;; so maybe we should map it to `italic'.
380 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
381 ;; 2 3 gnus-emphasis-strikethru)
382 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
383 2 3 gnus-emphasis-underline
))))
384 "*Alist that says how to fontify certain phrases.
385 Each item looks like this:
387 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
389 The first element is a regular expression to be matched. The second
390 is a number that says what regular expression grouping used to find
391 the entire emphasized word. The third is a number that says what
392 regexp grouping should be displayed and highlighted. The fourth
393 is the face used for highlighting."
397 :format
"%[Customizing Style%]\n%v"
399 (group :tag
"Default"
400 :value
("" 0 0 default
)
403 (let ((value (widget-get
404 (cadr (widget-get (widget-get widget
:parent
)
407 (if (not (eq (nth 2 value
) 'default
))
411 (gnus-emphasis-custom-value-to-external value
))))
412 (widget-group-value-create widget
))
414 (integer :format
"Match group: %v")
415 (integer :format
"Emphasize group: %v")
418 :value
(("_" .
"_") nil default
)
420 (regexp :format
"Start regexp: %v")
421 (regexp :format
"End regexp: %v"))
422 (boolean :format
"Show start and end patterns: %[%v%]\n"
423 :on
" On " :off
" Off ")
425 :get
(lambda (symbol)
426 (mapcar 'gnus-emphasis-custom-value-to-internal
427 (default-value symbol
)))
428 :set
(lambda (symbol value
)
429 (set-default symbol
(mapcar 'gnus-emphasis-custom-value-to-external
431 :group
'gnus-article-emphasis
)
433 (defcustom gnus-emphasize-whitespace-regexp
"^[ \t]+\\|[ \t]*\n"
434 "A regexp to describe whitespace which should not be emphasized.
435 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
436 The former avoids underlining of leading and trailing whitespace,
437 and the latter avoids underlining any whitespace at all."
439 :group
'gnus-article-emphasis
442 (defface gnus-emphasis-bold
'((t (:bold t
)))
443 "Face used for displaying strong emphasized text (*word*)."
444 :group
'gnus-article-emphasis
)
446 (defface gnus-emphasis-italic
'((t (:italic t
)))
447 "Face used for displaying italic emphasized text (/word/)."
448 :group
'gnus-article-emphasis
)
450 (defface gnus-emphasis-underline
'((t (:underline t
)))
451 "Face used for displaying underlined emphasized text (_word_)."
452 :group
'gnus-article-emphasis
)
454 (defface gnus-emphasis-underline-bold
'((t (:bold t
:underline t
)))
455 "Face used for displaying underlined bold emphasized text (_*word*_)."
456 :group
'gnus-article-emphasis
)
458 (defface gnus-emphasis-underline-italic
'((t (:italic t
:underline t
)))
459 "Face used for displaying underlined italic emphasized text (_/word/_)."
460 :group
'gnus-article-emphasis
)
462 (defface gnus-emphasis-bold-italic
'((t (:bold t
:italic t
)))
463 "Face used for displaying bold italic emphasized text (/*word*/)."
464 :group
'gnus-article-emphasis
)
466 (defface gnus-emphasis-underline-bold-italic
467 '((t (:bold t
:italic t
:underline t
)))
468 "Face used for displaying underlined bold italic emphasized text.
469 Example: (_/*word*/_)."
470 :group
'gnus-article-emphasis
)
472 (defface gnus-emphasis-strikethru
(if (featurep 'xemacs
)
473 '((t (:strikethru t
)))
474 '((t (:strike-through t
))))
475 "Face used for displaying strike-through text (-word-)."
476 :group
'gnus-article-emphasis
)
478 (defface gnus-emphasis-highlight-words
479 '((t (:background
"black" :foreground
"yellow")))
480 "Face used for displaying highlighted words."
481 :group
'gnus-article-emphasis
)
483 (defcustom gnus-article-time-format
"%a, %b %d %Y %T %Z"
484 "Format for display of Date headers in article bodies.
485 See `format-time-string' for the possible values.
487 The variable can also be function, which should return a complete Date
488 header. The function is called with one argument, the time, which can
489 be fed to `format-time-string'."
490 :type
'(choice string symbol
)
491 :link
'(custom-manual "(gnus)Article Date")
492 :group
'gnus-article-washing
)
494 (defcustom gnus-save-all-headers t
495 "*If non-nil, don't remove any headers before saving.
496 This will be overridden by the `:headers' property that the symbol of
497 the saver function, which is specified by `gnus-default-article-saver',
499 :group
'gnus-article-saving
502 (defcustom gnus-prompt-before-saving
'always
503 "*This variable says how much prompting is to be done when saving articles.
504 If it is nil, no prompting will be done, and the articles will be
505 saved to the default files. If this variable is `always', each and
506 every article that is saved will be preceded by a prompt, even when
507 saving large batches of articles. If this variable is neither nil not
508 `always', there the user will be prompted once for a file name for
509 each invocation of the saving commands."
510 :group
'gnus-article-saving
511 :type
'(choice (item always
)
512 (item :tag
"never" nil
)
513 (sexp :tag
"once" :format
"%t\n" :value t
)))
515 (defcustom gnus-saved-headers gnus-visible-headers
516 "Headers to keep if `gnus-save-all-headers' is nil.
517 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
518 If that variable is nil, however, all headers that match this regexp
519 will be kept while the rest will be deleted before saving. This and
520 `gnus-save-all-headers' will be overridden by the `:headers' property
521 that the symbol of the saver function, which is specified by
522 `gnus-default-article-saver', might have."
523 :group
'gnus-article-saving
526 (defcustom gnus-default-article-saver
'gnus-summary-save-in-rmail
527 "A function to save articles in your favourite format.
528 The function will be called by way of the `gnus-summary-save-article'
529 command, and friends such as `gnus-summary-save-article-rmail'.
531 Gnus provides the following functions:
533 * gnus-summary-save-in-rmail (Rmail format)
534 * gnus-summary-save-in-mail (Unix mail format)
535 * gnus-summary-save-in-folder (MH folder)
536 * gnus-summary-save-in-file (article format)
537 * gnus-summary-save-body-in-file (article body)
538 * gnus-summary-save-in-vm (use VM's folder format)
539 * gnus-summary-write-to-file (article format -- overwrite)
540 * gnus-summary-write-body-to-file (article body -- overwrite)
542 The symbol of each function may have the following properties:
545 The value non-nil means save decoded articles. This is meaningful
546 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
547 `gnus-summary-write-to-file', and `gnus-summary-write-body-to-file'.
550 The value specifies an alternative function which appends, not
551 overwrites, articles to a file. This implies that when saving many
552 articles at a time, `gnus-prompt-before-saving' is bound to t and all
553 articles are saved in a single file. This is meaningful only with
554 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
557 The value specifies the symbol of a variable of which the value
558 specifies headers to be saved. If it is omitted,
559 `gnus-save-all-headers' and `gnus-saved-headers' control what
560 headers should be saved."
561 :group
'gnus-article-saving
562 :type
'(radio (function-item gnus-summary-save-in-rmail
)
563 (function-item gnus-summary-save-in-mail
)
564 (function-item gnus-summary-save-in-folder
)
565 (function-item gnus-summary-save-in-file
)
566 (function-item gnus-summary-save-body-in-file
)
567 (function-item gnus-summary-save-in-vm
)
568 (function-item gnus-summary-write-to-file
)
569 (function-item gnus-summary-write-body-to-file
)
572 (defcustom gnus-article-save-coding-system
573 (or (and (mm-coding-system-p 'utf-8
) 'utf-8
)
574 (and (mm-coding-system-p 'iso-2022-7bit
) 'iso-2022-7bit
)
575 (and (mm-coding-system-p 'emacs-mule
) 'emacs-mule
)
576 (and (mm-coding-system-p 'escape-quoted
) 'escape-quoted
))
577 "Coding system used to save decoded articles to a file.
579 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
580 which can safely encode any characters in text. This is used by the
583 * gnus-summary-save-article-file
584 * gnus-summary-save-article-body-file
585 * gnus-summary-write-article-file
586 * gnus-summary-write-article-body-file
588 and the functions to which you may set `gnus-default-article-saver':
590 * gnus-summary-save-in-file
591 * gnus-summary-save-body-in-file
592 * gnus-summary-write-to-file
593 * gnus-summary-write-body-to-file
595 Those commands and functions save just text displayed in the article
596 buffer to a file if the value of this variable is non-nil. Note that
597 buttonized MIME parts will be lost in a saved file in that case.
598 Otherwise, raw articles will be saved."
599 :group
'gnus-article-saving
601 :format
"%{%t%}:\n %[Value Menu%] %v"
602 (const :tag
"Save raw articles" nil
)
605 (lambda (arg) (if (mm-coding-system-p (nth 3 arg
)) arg
))
606 '((const :tag
"UTF-8" utf-8
)
607 (const :tag
"iso-2022-7bit" iso-2022-7bit
)
608 (const :tag
"Emacs internal" emacs-mule
)
609 (const :tag
"escape-quoted" escape-quoted
))))
610 (symbol :tag
"Coding system")))
612 (defcustom gnus-rmail-save-name
'gnus-plain-save-name
613 "A function generating a file name to save articles in Rmail format.
614 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
615 :group
'gnus-article-saving
618 (defcustom gnus-mail-save-name
'gnus-plain-save-name
619 "A function generating a file name to save articles in Unix mail format.
620 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
621 :group
'gnus-article-saving
624 (defcustom gnus-folder-save-name
'gnus-folder-save-name
625 "A function generating a file name to save articles in MH folder.
626 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
627 :group
'gnus-article-saving
630 (defcustom gnus-file-save-name
'gnus-numeric-save-name
631 "A function generating a file name to save articles in article format.
632 The function is called with NEWSGROUP, HEADERS, and optional
634 :group
'gnus-article-saving
637 (defcustom gnus-split-methods
638 '((gnus-article-archive-name)
639 (gnus-article-nndoc-name))
640 "*Variable used to suggest where articles are to be saved.
641 For instance, if you would like to save articles related to Gnus in
642 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
643 you could set this variable to something like:
645 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
646 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
648 This variable is an alist where the where the key is the match and the
649 value is a list of possible files to save in if the match is non-nil.
651 If the match is a string, it is used as a regexp match on the
652 article. If the match is a symbol, that symbol will be funcalled
653 from the buffer of the article to be saved with the newsgroup as the
654 parameter. If it is a list, it will be evaled in the same buffer.
656 If this form or function returns a string, this string will be used as
657 a possible file name; and if it returns a non-nil list, that list will
658 be used as possible file names."
659 :group
'gnus-article-saving
660 :type
'(repeat (choice (list :value
(fun) function
)
661 (cons :value
("" "") regexp
(repeat string
))
664 (defcustom gnus-page-delimiter
"^\^L"
665 "*Regexp describing what to use as article page delimiters.
666 The default value is \"^\^L\", which is a form linefeed at the
667 beginning of a line."
669 :group
'gnus-article-various
)
671 (defcustom gnus-article-mode-line-format
"Gnus: %g [%w] %S%m"
672 "*The format specification for the article mode line.
673 See `gnus-summary-mode-line-format' for a closer description.
675 The following additional specs are available:
677 %w The article washing status.
678 %m The number of MIME parts in the article."
680 :group
'gnus-article-various
)
682 (defcustom gnus-article-mode-hook nil
683 "*A hook for Gnus article mode."
685 :group
'gnus-article-various
)
687 (when (featurep 'xemacs
)
688 ;; Extracted from gnus-xmas-define in order to preserve user settings
689 (when (fboundp 'turn-off-scroll-in-place
)
690 (add-hook 'gnus-article-mode-hook
'turn-off-scroll-in-place
))
691 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
692 (add-hook 'gnus-article-mode-hook
'gnus-xmas-article-menu-add
))
694 (defcustom gnus-article-menu-hook nil
695 "*Hook run after the creation of the article mode menu."
697 :group
'gnus-article-various
)
699 (defcustom gnus-article-prepare-hook nil
700 "*A hook called after an article has been prepared in the article buffer."
702 :group
'gnus-article-various
)
704 (make-obsolete-variable 'gnus-article-hide-pgp-hook
705 "This variable is obsolete in Gnus 5.10.")
707 (defcustom gnus-article-button-face
'bold
708 "Face used for highlighting buttons in the article buffer.
710 An article button is a piece of text that you can activate by pressing
711 `RET' or `mouse-2' above it."
713 :group
'gnus-article-buttons
)
715 (defcustom gnus-article-mouse-face
'highlight
716 "Face used for mouse highlighting in the article buffer.
718 Article buttons will be displayed in this face when the cursor is
721 :group
'gnus-article-buttons
)
723 (defcustom gnus-signature-face
'gnus-signature
724 "Face used for highlighting a signature in the article buffer.
725 Obsolete; use the face `gnus-signature' for customizations instead."
727 :group
'gnus-article-highlight
728 :group
'gnus-article-signature
)
730 (defface gnus-signature
733 "Face used for highlighting a signature in the article buffer."
734 :group
'gnus-article-highlight
735 :group
'gnus-article-signature
)
736 ;; backward-compatibility alias
737 (put 'gnus-signature-face
'face-alias
'gnus-signature
)
739 (defface gnus-header-from
742 (:foreground
"spring green"))
745 (:foreground
"red3"))
748 "Face used for displaying from headers."
749 :group
'gnus-article-headers
750 :group
'gnus-article-highlight
)
751 ;; backward-compatibility alias
752 (put 'gnus-header-from-face
'face-alias
'gnus-header-from
)
754 (defface gnus-header-subject
757 (:foreground
"SeaGreen3"))
760 (:foreground
"red4"))
762 (:bold t
:italic t
)))
763 "Face used for displaying subject headers."
764 :group
'gnus-article-headers
765 :group
'gnus-article-highlight
)
766 ;; backward-compatibility alias
767 (put 'gnus-header-subject-face
'face-alias
'gnus-header-subject
)
769 (defface gnus-header-newsgroups
772 (:foreground
"yellow" :italic t
))
775 (:foreground
"MidnightBlue" :italic t
))
778 "Face used for displaying newsgroups headers.
779 In the default setup this face is only used for crossposted
781 :group
'gnus-article-headers
782 :group
'gnus-article-highlight
)
783 ;; backward-compatibility alias
784 (put 'gnus-header-newsgroups-face
'face-alias
'gnus-header-newsgroups
)
786 (defface gnus-header-name
789 (:foreground
"SeaGreen"))
792 (:foreground
"maroon"))
795 "Face used for displaying header names."
796 :group
'gnus-article-headers
797 :group
'gnus-article-highlight
)
798 ;; backward-compatibility alias
799 (put 'gnus-header-name-face
'face-alias
'gnus-header-name
)
801 (defface gnus-header-content
804 (:foreground
"forest green" :italic t
))
807 (:foreground
"indianred4" :italic t
))
809 (:italic t
))) "Face used for displaying header content."
810 :group
'gnus-article-headers
811 :group
'gnus-article-highlight
)
812 ;; backward-compatibility alias
813 (put 'gnus-header-content-face
'face-alias
'gnus-header-content
)
815 (defcustom gnus-header-face-alist
816 '(("From" nil gnus-header-from
)
817 ("Subject" nil gnus-header-subject
)
818 ("Newsgroups:.*," nil gnus-header-newsgroups
)
819 ("" gnus-header-name gnus-header-content
))
820 "*Controls highlighting of article headers.
822 An alist of the form (HEADER NAME CONTENT).
824 HEADER is a regular expression which should match the name of a
825 header and NAME and CONTENT are either face names or nil.
827 The name of each header field will be displayed using the face
828 specified by the first element in the list where HEADER matches
829 the header name and NAME is non-nil. Similarly, the content will
830 be displayed by the first non-nil matching CONTENT face."
831 :group
'gnus-article-headers
832 :group
'gnus-article-highlight
833 :type
'(repeat (list (regexp :tag
"Header")
835 (item :tag
"skip" nil
)
836 (face :value default
))
837 (choice :tag
"Content"
838 (item :tag
"skip" nil
)
839 (face :value default
)))))
841 (defcustom gnus-article-decode-hook
842 '(article-decode-charset article-decode-encoded-words
843 article-decode-group-name article-decode-idna-rhs
)
844 "*Hook run to decode charsets in articles."
845 :group
'gnus-article-headers
848 (defcustom gnus-display-mime-function
'gnus-display-mime
849 "Function to display MIME articles."
850 :group
'gnus-article-mime
853 (defvar gnus-decode-header-function
'mail-decode-encoded-word-region
854 "Function used to decode headers.")
856 (defvar gnus-decode-address-function
'mail-decode-encoded-address-region
857 "Function used to decode addresses.")
859 (defvar gnus-article-dumbquotes-map
879 "Table for MS-to-Latin1 translation.")
881 (defcustom gnus-ignored-mime-types nil
882 "List of MIME types that should be ignored by Gnus."
884 :group
'gnus-article-mime
885 :type
'(repeat regexp
))
887 (defcustom gnus-unbuttonized-mime-types
'(".*/.*")
888 "List of MIME types that should not be given buttons when rendered inline.
889 See also `gnus-buttonized-mime-types' which may override this variable.
890 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
892 :group
'gnus-article-mime
893 :type
'(repeat regexp
))
895 (defcustom gnus-buttonized-mime-types nil
896 "List of MIME types that should be given buttons when rendered inline.
897 If set, this variable overrides `gnus-unbuttonized-mime-types'.
898 To see e.g. security buttons you could set this to
899 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
900 this list to display radio buttons that allow you to choose one of two
901 media types those mails include. See also `mm-discouraged-alternatives'.
902 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
904 :group
'gnus-article-mime
905 :type
'(repeat regexp
))
907 (defcustom gnus-inhibit-mime-unbuttonizing nil
908 "If non-nil, all MIME parts get buttons.
909 When nil (the default value), then some MIME parts do not get buttons,
910 as described by the variables `gnus-buttonized-mime-types' and
911 `gnus-unbuttonized-mime-types'."
913 :group
'gnus-article-mime
916 (defcustom gnus-body-boundary-delimiter
"_"
917 "String used to delimit header and body.
918 This variable is used by `gnus-article-treat-body-boundary' which can
919 be controlled by `gnus-treat-body-boundary'."
921 :group
'gnus-article-various
922 :type
'(choice (item :tag
"None" :value nil
)
925 (defcustom gnus-picon-databases
'("/usr/lib/picon" "/usr/local/faces"
927 "Defines the location of the faces database.
928 For information on obtaining this database of pretty pictures, please
929 see http://www.cs.indiana.edu/picons/ftp/index.html"
931 :type
'(repeat directory
)
932 :link
'(url-link :tag
"download"
933 "http://www.cs.indiana.edu/picons/ftp/index.html")
934 :link
'(custom-manual "(gnus)Picons")
937 (defun gnus-picons-installed-p ()
938 "Say whether picons are installed on your machine."
939 (let ((installed nil
))
940 (dolist (database gnus-picon-databases
)
941 (when (file-exists-p database
)
945 (defcustom gnus-article-mime-part-function nil
946 "Function called with a MIME handle as the argument.
947 This is meant for people who want to do something automatic based
948 on parts -- for instance, adding Vcard info to a database."
949 :group
'gnus-article-mime
950 :type
'(choice (const nil
)
953 (defcustom gnus-mime-multipart-functions nil
954 "An alist of MIME types to functions to display them."
956 :group
'gnus-article-mime
959 (defcustom gnus-article-date-lapsed-new-header nil
960 "Whether the X-Sent and Date headers can coexist.
961 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
962 either replace the old \"Date:\" header (if this variable is nil), or
963 be added below it (otherwise)."
965 :group
'gnus-article-headers
968 (defcustom gnus-article-mime-match-handle-function
'undisplayed-alternative
969 "Function called with a MIME handle as the argument.
970 This is meant for people who want to view first matched part.
971 For `undisplayed-alternative' (default), the first undisplayed
972 part or alternative part is used. For `undisplayed', the first
973 undisplayed part is used. For a function, the first part which
974 the function return t is used. For nil, the first part is
977 :group
'gnus-article-mime
979 (item :tag
"first" :value nil
)
980 (item :tag
"undisplayed" :value undisplayed
)
981 (item :tag
"undisplayed or alternative"
982 :value undisplayed-alternative
)
985 (defcustom gnus-mime-action-alist
986 '(("save to file" . gnus-mime-save-part
)
987 ("save and strip" . gnus-mime-save-part-and-strip
)
988 ("delete part" . gnus-mime-delete-part
)
989 ("display as text" . gnus-mime-inline-part
)
990 ("view the part" . gnus-mime-view-part
)
991 ("pipe to command" . gnus-mime-pipe-part
)
992 ("toggle display" . gnus-article-press-button
)
993 ("toggle display" . gnus-article-view-part-as-charset
)
994 ("view as type" . gnus-mime-view-part-as-type
)
995 ("view internally" . gnus-mime-view-part-internally
)
996 ("view externally" . gnus-mime-view-part-externally
))
997 "An alist of actions that run on the MIME attachment."
998 :group
'gnus-article-mime
999 :type
'(repeat (cons (string :tag
"name")
1003 ;;; The treatment variables
1006 (defvar gnus-part-display-hook nil
1007 "Hook called on parts that are to receive treatment.")
1009 (defvar gnus-article-treat-custom
1010 '(choice (const :tag
"Off" nil
)
1012 (const :tag
"Header" head
)
1013 (const :tag
"Last" last
)
1014 (integer :tag
"Less")
1015 (repeat :tag
"Groups" regexp
)
1016 (sexp :tag
"Predicate")))
1018 (defvar gnus-article-treat-head-custom
1019 '(choice (const :tag
"Off" nil
)
1020 (const :tag
"Header" head
)))
1022 (defvar gnus-article-treat-types
'("text/plain")
1025 (defvar gnus-inhibit-treatment nil
1026 "Whether to inhibit treatment.")
1028 (defcustom gnus-treat-highlight-signature
'(or t
(typep "text/x-vcard"))
1029 "Highlight the signature.
1030 Valid values are nil, t, `head', `last', an integer or a predicate.
1031 See Info node `(gnus)Customizing Articles'."
1032 :group
'gnus-article-treat
1033 :link
'(custom-manual "(gnus)Customizing Articles")
1034 :type gnus-article-treat-custom
)
1035 (put 'gnus-treat-highlight-signature
'highlight t
)
1037 (defcustom gnus-treat-buttonize
100000
1039 Valid values are nil, t, `head', `last', an integer or a predicate.
1040 See Info node `(gnus)Customizing Articles'."
1041 :group
'gnus-article-treat
1042 :link
'(custom-manual "(gnus)Customizing Articles")
1043 :type gnus-article-treat-custom
)
1044 (put 'gnus-treat-buttonize
'highlight t
)
1046 (defcustom gnus-treat-buttonize-head
'head
1047 "Add buttons to the head.
1048 Valid values are nil, t, `head', `last', an integer or a predicate.
1049 See Info node `(gnus)Customizing Articles' for details."
1050 :group
'gnus-article-treat
1051 :link
'(custom-manual "(gnus)Customizing Articles")
1052 :type gnus-article-treat-head-custom
)
1053 (put 'gnus-treat-buttonize-head
'highlight t
)
1055 (defcustom gnus-treat-emphasize
1056 (and (or window-system
1058 (>= (string-to-number emacs-version
) 21))
1061 Valid values are nil, t, `head', `last', an integer or a predicate.
1062 See Info node `(gnus)Customizing Articles' for details."
1063 :group
'gnus-article-treat
1064 :link
'(custom-manual "(gnus)Customizing Articles")
1065 :type gnus-article-treat-custom
)
1066 (put 'gnus-treat-emphasize
'highlight t
)
1068 (defcustom gnus-treat-strip-cr nil
1069 "Remove carriage returns.
1070 Valid values are nil, t, `head', `last', an integer or a predicate.
1071 See Info node `(gnus)Customizing Articles' for details."
1073 :group
'gnus-article-treat
1074 :link
'(custom-manual "(gnus)Customizing Articles")
1075 :type gnus-article-treat-custom
)
1077 (defcustom gnus-treat-unsplit-urls nil
1078 "Remove newlines from within URLs.
1079 Valid values are nil, t, `head', `last', an integer or a predicate.
1080 See Info node `(gnus)Customizing Articles' for details."
1082 :group
'gnus-article-treat
1083 :link
'(custom-manual "(gnus)Customizing Articles")
1084 :type gnus-article-treat-custom
)
1086 (defcustom gnus-treat-leading-whitespace nil
1087 "Remove leading whitespace in headers.
1088 Valid values are nil, t, `head', `last', an integer or a predicate.
1089 See Info node `(gnus)Customizing Articles' for details."
1091 :group
'gnus-article-treat
1092 :link
'(custom-manual "(gnus)Customizing Articles")
1093 :type gnus-article-treat-custom
)
1095 (defcustom gnus-treat-hide-headers
'head
1097 Valid values are nil, t, `head', `last', an integer or a predicate.
1098 See Info node `(gnus)Customizing Articles' for details."
1099 :group
'gnus-article-treat
1100 :link
'(custom-manual "(gnus)Customizing Articles")
1101 :type gnus-article-treat-head-custom
)
1103 (defcustom gnus-treat-hide-boring-headers nil
1104 "Hide boring headers.
1105 Valid values are nil, t, `head', `last', an integer or a predicate.
1106 See Info node `(gnus)Customizing Articles' for details."
1107 :group
'gnus-article-treat
1108 :link
'(custom-manual "(gnus)Customizing Articles")
1109 :type gnus-article-treat-head-custom
)
1111 (defcustom gnus-treat-hide-signature nil
1112 "Hide the signature.
1113 Valid values are nil, t, `head', `last', an integer or a predicate.
1114 See Info node `(gnus)Customizing Articles' for details."
1115 :group
'gnus-article-treat
1116 :link
'(custom-manual "(gnus)Customizing Articles")
1117 :type gnus-article-treat-custom
)
1119 (defcustom gnus-treat-fill-article nil
1121 Valid values are nil, t, `head', `last', an integer or a predicate.
1122 See Info node `(gnus)Customizing Articles' for details."
1123 :group
'gnus-article-treat
1124 :link
'(custom-manual "(gnus)Customizing Articles")
1125 :type gnus-article-treat-custom
)
1127 (defcustom gnus-treat-hide-citation nil
1129 Valid values are nil, t, `head', `last', an integer or a predicate.
1130 See Info node `(gnus)Customizing Articles' for details."
1131 :group
'gnus-article-treat
1132 :link
'(custom-manual "(gnus)Customizing Articles")
1133 :type gnus-article-treat-custom
)
1135 (defcustom gnus-treat-hide-citation-maybe nil
1137 Valid values are nil, t, `head', `last', an integer or a predicate.
1138 See Info node `(gnus)Customizing Articles' for details."
1139 :group
'gnus-article-treat
1140 :link
'(custom-manual "(gnus)Customizing Articles")
1141 :type gnus-article-treat-custom
)
1143 (defcustom gnus-treat-strip-list-identifiers
'head
1144 "Strip list identifiers from `gnus-list-identifiers`.
1145 Valid values are nil, t, `head', `last', an integer or a predicate.
1146 See Info node `(gnus)Customizing Articles' for details."
1148 :group
'gnus-article-treat
1149 :link
'(custom-manual "(gnus)Customizing Articles")
1150 :type gnus-article-treat-custom
)
1152 (make-obsolete-variable 'gnus-treat-strip-pgp
1153 "This option is obsolete in Gnus 5.10.")
1155 (defcustom gnus-treat-strip-pem nil
1156 "Strip PEM signatures.
1157 Valid values are nil, t, `head', `last', an integer or a predicate.
1158 See Info node `(gnus)Customizing Articles' for details."
1159 :group
'gnus-article-treat
1160 :link
'(custom-manual "(gnus)Customizing Articles")
1161 :type gnus-article-treat-custom
)
1163 (defcustom gnus-treat-strip-banner t
1164 "Strip banners from articles.
1165 The banner to be stripped is specified in the `banner' group parameter.
1166 Valid values are nil, t, `head', `last', an integer or a predicate.
1167 See Info node `(gnus)Customizing Articles' for details."
1168 :group
'gnus-article-treat
1169 :link
'(custom-manual "(gnus)Customizing Articles")
1170 :type gnus-article-treat-custom
)
1172 (defcustom gnus-treat-highlight-headers
'head
1173 "Highlight the headers.
1174 Valid values are nil, t, `head', `last', an integer or a predicate.
1175 See Info node `(gnus)Customizing Articles' for details."
1176 :group
'gnus-article-treat
1177 :link
'(custom-manual "(gnus)Customizing Articles")
1178 :type gnus-article-treat-head-custom
)
1179 (put 'gnus-treat-highlight-headers
'highlight t
)
1181 (defcustom gnus-treat-highlight-citation t
1182 "Highlight cited text.
1183 Valid values are nil, t, `head', `last', an integer or a predicate.
1184 See Info node `(gnus)Customizing Articles' for details."
1185 :group
'gnus-article-treat
1186 :link
'(custom-manual "(gnus)Customizing Articles")
1187 :type gnus-article-treat-custom
)
1188 (put 'gnus-treat-highlight-citation
'highlight t
)
1190 (defcustom gnus-treat-date-ut nil
1191 "Display the Date in UT (GMT).
1192 Valid values are nil, t, `head', `last', an integer or a predicate.
1193 See Info node `(gnus)Customizing Articles' for details."
1194 :group
'gnus-article-treat
1195 :link
'(custom-manual "(gnus)Customizing Articles")
1196 :type gnus-article-treat-head-custom
)
1198 (defcustom gnus-treat-date-local nil
1199 "Display the Date in the local timezone.
1200 Valid values are nil, t, `head', `last', an integer or a predicate.
1201 See Info node `(gnus)Customizing Articles' for details."
1202 :group
'gnus-article-treat
1203 :link
'(custom-manual "(gnus)Customizing Articles")
1204 :type gnus-article-treat-head-custom
)
1206 (defcustom gnus-treat-date-english nil
1207 "Display the Date in a format that can be read aloud in English.
1208 Valid values are nil, t, `head', `last', an integer or a predicate.
1209 See Info node `(gnus)Customizing Articles' for details."
1211 :group
'gnus-article-treat
1212 :link
'(custom-manual "(gnus)Customizing Articles")
1213 :type gnus-article-treat-head-custom
)
1215 (defcustom gnus-treat-date-lapsed nil
1216 "Display the Date header in a way that says how much time has elapsed.
1217 Valid values are nil, t, `head', `last', an integer or a predicate.
1218 See Info node `(gnus)Customizing Articles' for details."
1219 :group
'gnus-article-treat
1220 :link
'(custom-manual "(gnus)Customizing Articles")
1221 :type gnus-article-treat-head-custom
)
1223 (defcustom gnus-treat-date-original nil
1224 "Display the date in the original timezone.
1225 Valid values are nil, t, `head', `last', an integer or a predicate.
1226 See Info node `(gnus)Customizing Articles' for details."
1227 :group
'gnus-article-treat
1228 :link
'(custom-manual "(gnus)Customizing Articles")
1229 :type gnus-article-treat-head-custom
)
1231 (defcustom gnus-treat-date-iso8601 nil
1232 "Display the date in the ISO8601 format.
1233 Valid values are nil, t, `head', `last', an integer or a predicate.
1234 See Info node `(gnus)Customizing Articles' for details."
1236 :group
'gnus-article-treat
1237 :link
'(custom-manual "(gnus)Customizing Articles")
1238 :type gnus-article-treat-head-custom
)
1240 (defcustom gnus-treat-date-user-defined nil
1241 "Display the date in a user-defined format.
1242 The format is defined by the `gnus-article-time-format' variable.
1243 Valid values are nil, t, `head', `last', an integer or a predicate.
1244 See Info node `(gnus)Customizing Articles' for details."
1245 :group
'gnus-article-treat
1246 :link
'(custom-manual "(gnus)Customizing Articles")
1247 :type gnus-article-treat-head-custom
)
1249 (defcustom gnus-treat-strip-headers-in-body t
1250 "Strip the X-No-Archive header line from the beginning of the body.
1251 Valid values are nil, t, `head', `last', an integer or a predicate.
1252 See Info node `(gnus)Customizing Articles' for details."
1254 :group
'gnus-article-treat
1255 :link
'(custom-manual "(gnus)Customizing Articles")
1256 :type gnus-article-treat-custom
)
1258 (defcustom gnus-treat-strip-trailing-blank-lines nil
1259 "Strip trailing blank lines.
1260 Valid values are nil, t, `head', `last', an integer or a predicate.
1261 See Info node `(gnus)Customizing Articles' for details.
1263 When set to t, it also strips trailing blanks in all MIME parts.
1264 Consider to use `last' instead."
1265 :group
'gnus-article-treat
1266 :link
'(custom-manual "(gnus)Customizing Articles")
1267 :type gnus-article-treat-custom
)
1269 (defcustom gnus-treat-strip-leading-blank-lines nil
1270 "Strip leading blank lines.
1271 Valid values are nil, t, `head', `last', an integer or a predicate.
1272 See Info node `(gnus)Customizing Articles' for details.
1274 When set to t, it also strips trailing blanks in all MIME parts."
1275 :group
'gnus-article-treat
1276 :link
'(custom-manual "(gnus)Customizing Articles")
1277 :type gnus-article-treat-custom
)
1279 (defcustom gnus-treat-strip-multiple-blank-lines nil
1280 "Strip multiple blank lines.
1281 Valid values are nil, t, `head', `last', an integer or a predicate.
1282 See Info node `(gnus)Customizing Articles' for details."
1283 :group
'gnus-article-treat
1284 :link
'(custom-manual "(gnus)Customizing Articles")
1285 :type gnus-article-treat-custom
)
1287 (defcustom gnus-treat-unfold-headers
'head
1288 "Unfold folded header lines.
1289 Valid values are nil, t, `head', `last', an integer or a predicate.
1290 See Info node `(gnus)Customizing Articles' for details."
1292 :group
'gnus-article-treat
1293 :link
'(custom-manual "(gnus)Customizing Articles")
1294 :type gnus-article-treat-custom
)
1296 (defcustom gnus-treat-fold-headers nil
1298 Valid values are nil, t, `head', `last', an integer or a predicate.
1299 See Info node `(gnus)Customizing Articles' for details."
1301 :group
'gnus-article-treat
1302 :link
'(custom-manual "(gnus)Customizing Articles")
1303 :type gnus-article-treat-custom
)
1305 (defcustom gnus-treat-fold-newsgroups
'head
1306 "Fold the Newsgroups and Followup-To headers.
1307 Valid values are nil, t, `head', `last', an integer or a predicate.
1308 See Info node `(gnus)Customizing Articles' for details."
1310 :group
'gnus-article-treat
1311 :link
'(custom-manual "(gnus)Customizing Articles")
1312 :type gnus-article-treat-custom
)
1314 (defcustom gnus-treat-overstrike t
1315 "Treat overstrike highlighting.
1316 Valid values are nil, t, `head', `last', an integer or a predicate.
1317 See Info node `(gnus)Customizing Articles' for details."
1318 :group
'gnus-article-treat
1319 :link
'(custom-manual "(gnus)Customizing Articles")
1320 :type gnus-article-treat-custom
)
1321 (put 'gnus-treat-overstrike
'highlight t
)
1323 (make-obsolete-variable 'gnus-treat-display-xface
1324 'gnus-treat-display-x-face
)
1326 (defcustom gnus-treat-display-x-face
1327 (and (not noninteractive
)
1328 (or (and (fboundp 'image-type-available-p
)
1329 (image-type-available-p 'xbm
)
1330 (string-match "^0x" (shell-command-to-string "uncompface"))
1331 (executable-find "icontopbm"))
1332 (and (featurep 'xemacs
)
1335 "Display X-Face headers.
1336 Valid values are nil, t, `head', `last', an integer or a predicate.
1337 See Info node `(gnus)Customizing Articles' and Info node
1338 `(gnus)X-Face' for details."
1339 :group
'gnus-article-treat
1341 :link
'(custom-manual "(gnus)Customizing Articles")
1342 :link
'(custom-manual "(gnus)X-Face")
1343 :type gnus-article-treat-head-custom
1344 :set
(lambda (symbol value
)
1347 (cond ((or (boundp symbol
) (get symbol
'saved-value
))
1349 ((boundp 'gnus-treat-display-xface
)
1351 ** gnus-treat-display-xface is an obsolete variable;\
1352 use gnus-treat-display-x-face instead")
1353 (default-value 'gnus-treat-display-xface
))
1354 ((get 'gnus-treat-display-xface
'saved-value
)
1356 ** gnus-treat-display-xface is an obsolete variable;\
1357 use gnus-treat-display-x-face instead")
1358 (eval (car (get 'gnus-treat-display-xface
'saved-value
))))
1361 (put 'gnus-treat-display-x-face
'highlight t
)
1363 (defcustom gnus-treat-display-face
1364 (and (not noninteractive
)
1365 (or (and (fboundp 'image-type-available-p
)
1366 (image-type-available-p 'png
))
1367 (and (featurep 'xemacs
)
1370 "Display Face headers.
1371 Valid values are nil, t, `head', `last', an integer or a predicate.
1372 See Info node `(gnus)Customizing Articles' and Info node
1373 `(gnus)X-Face' for details."
1374 :group
'gnus-article-treat
1376 :link
'(custom-manual "(gnus)Customizing Articles")
1377 :link
'(custom-manual "(gnus)X-Face")
1378 :type gnus-article-treat-head-custom
)
1379 (put 'gnus-treat-display-face
'highlight t
)
1381 (defcustom gnus-treat-display-smileys
1382 (if (or (and (featurep 'xemacs
)
1384 (and (fboundp 'image-type-available-p
)
1385 (image-type-available-p 'pbm
)))
1388 Valid values are nil, t, `head', `last', an integer or a predicate.
1389 See Info node `(gnus)Customizing Articles' and Info node
1390 `(gnus)Smileys' for details."
1391 :group
'gnus-article-treat
1393 :link
'(custom-manual "(gnus)Customizing Articles")
1394 :link
'(custom-manual "(gnus)Smileys")
1395 :type gnus-article-treat-custom
)
1396 (put 'gnus-treat-display-smileys
'highlight t
)
1398 (defcustom gnus-treat-from-picon
1399 (if (and (gnus-image-type-available-p 'xpm
)
1400 (gnus-picons-installed-p))
1402 "Display picons in the From header.
1403 Valid values are nil, t, `head', `last', an integer or a predicate.
1404 See Info node `(gnus)Customizing Articles' and Info node
1405 `(gnus)Picons' for details."
1407 :group
'gnus-article-treat
1409 :link
'(custom-manual "(gnus)Customizing Articles")
1410 :link
'(custom-manual "(gnus)Picons")
1411 :type gnus-article-treat-head-custom
)
1412 (put 'gnus-treat-from-picon
'highlight t
)
1414 (defcustom gnus-treat-mail-picon
1415 (if (and (gnus-image-type-available-p 'xpm
)
1416 (gnus-picons-installed-p))
1418 "Display picons in To and Cc headers.
1419 Valid values are nil, t, `head', `last', an integer or a predicate.
1420 See Info node `(gnus)Customizing Articles' and Info node
1421 `(gnus)Picons' for details."
1423 :group
'gnus-article-treat
1425 :link
'(custom-manual "(gnus)Customizing Articles")
1426 :link
'(custom-manual "(gnus)Picons")
1427 :type gnus-article-treat-head-custom
)
1428 (put 'gnus-treat-mail-picon
'highlight t
)
1430 (defcustom gnus-treat-newsgroups-picon
1431 (if (and (gnus-image-type-available-p 'xpm
)
1432 (gnus-picons-installed-p))
1434 "Display picons in the Newsgroups and Followup-To headers.
1435 Valid values are nil, t, `head', `last', an integer or a predicate.
1436 See Info node `(gnus)Customizing Articles' and Info node
1437 `(gnus)Picons' for details."
1439 :group
'gnus-article-treat
1441 :link
'(custom-manual "(gnus)Customizing Articles")
1442 :link
'(custom-manual "(gnus)Picons")
1443 :type gnus-article-treat-head-custom
)
1444 (put 'gnus-treat-newsgroups-picon
'highlight t
)
1446 (defcustom gnus-treat-body-boundary
1447 (if (or gnus-treat-newsgroups-picon
1448 gnus-treat-mail-picon
1449 gnus-treat-from-picon
)
1451 "Draw a boundary at the end of the headers.
1452 Valid values are nil and `head'.
1453 See Info node `(gnus)Customizing Articles' for details."
1455 :group
'gnus-article-treat
1456 :link
'(custom-manual "(gnus)Customizing Articles")
1457 :type gnus-article-treat-head-custom
)
1459 (defcustom gnus-treat-capitalize-sentences nil
1460 "Capitalize sentence-starting words.
1461 Valid values are nil, t, `head', `last', an integer or a predicate.
1462 See Info node `(gnus)Customizing Articles' for details."
1464 :group
'gnus-article-treat
1465 :link
'(custom-manual "(gnus)Customizing Articles")
1466 :type gnus-article-treat-custom
)
1468 (defcustom gnus-treat-wash-html nil
1470 Valid values are nil, t, `head', `last', an integer or a predicate.
1471 See Info node `(gnus)Customizing Articles' for details."
1473 :group
'gnus-article-treat
1474 :link
'(custom-manual "(gnus)Customizing Articles")
1475 :type gnus-article-treat-custom
)
1477 (defcustom gnus-treat-fill-long-lines nil
1479 Valid values are nil, t, `head', `last', an integer or a predicate.
1480 See Info node `(gnus)Customizing Articles' for details."
1481 :group
'gnus-article-treat
1482 :link
'(custom-manual "(gnus)Customizing Articles")
1483 :type gnus-article-treat-custom
)
1485 (defcustom gnus-treat-play-sounds nil
1487 Valid values are nil, t, `head', `last', an integer or a predicate.
1488 See Info node `(gnus)Customizing Articles' for details."
1490 :group
'gnus-article-treat
1491 :link
'(custom-manual "(gnus)Customizing Articles")
1492 :type gnus-article-treat-custom
)
1494 (defcustom gnus-treat-translate nil
1495 "Translate articles from one language to another.
1496 Valid values are nil, t, `head', `last', an integer or a predicate.
1497 See Info node `(gnus)Customizing Articles' for details."
1499 :group
'gnus-article-treat
1500 :link
'(custom-manual "(gnus)Customizing Articles")
1501 :type gnus-article-treat-custom
)
1503 (defcustom gnus-treat-x-pgp-sig nil
1505 To automatically treat X-PGP-Sig, set it to head.
1506 Valid values are nil, t, `head', `last', an integer or a predicate.
1507 See Info node `(gnus)Customizing Articles' for details."
1509 :group
'gnus-article-treat
1510 :group
'mime-security
1511 :link
'(custom-manual "(gnus)Customizing Articles")
1512 :type gnus-article-treat-custom
)
1514 (defvar gnus-article-encrypt-protocol-alist
1515 '(("PGP" . mml2015-self-encrypt
)))
1517 ;; Set to nil if more than one protocol added to
1518 ;; gnus-article-encrypt-protocol-alist.
1519 (defcustom gnus-article-encrypt-protocol
"PGP"
1520 "The protocol used for encrypt articles.
1521 It is a string, such as \"PGP\". If nil, ask user."
1524 :group
'mime-security
)
1526 (defvar gnus-article-wash-function nil
1527 "Function used for converting HTML into text.")
1529 (defcustom gnus-use-idna
(and (condition-case nil
(require 'idna
) (file-error))
1530 (mm-coding-system-p 'utf-8
)
1531 (executable-find idna-program
))
1532 "Whether IDNA decoding of headers is used when viewing messages.
1533 This requires GNU Libidn, and by default only enabled if it is found."
1535 :group
'gnus-article-headers
1538 (defcustom gnus-article-over-scroll nil
1539 "If non-nil, allow scrolling the article buffer even when there no more text."
1541 :group
'gnus-article
1544 ;;; Internal variables
1546 (defvar gnus-english-month-names
1547 '("January" "February" "March" "April" "May" "June" "July" "August"
1548 "September" "October" "November" "December"))
1550 (defvar article-goto-body-goes-to-point-min-p nil
)
1551 (defvar gnus-article-wash-types nil
)
1552 (defvar gnus-article-emphasis-alist nil
)
1553 (defvar gnus-article-image-alist nil
)
1555 (defvar gnus-article-mime-handle-alist-1 nil
)
1556 (defvar gnus-treatment-function-alist
1557 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig
)
1558 (gnus-treat-strip-banner gnus-article-strip-banner
)
1559 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body
)
1560 (gnus-treat-highlight-signature gnus-article-highlight-signature
)
1561 (gnus-treat-buttonize gnus-article-add-buttons
)
1562 (gnus-treat-fill-article gnus-article-fill-cited-article
)
1563 (gnus-treat-fill-long-lines gnus-article-fill-long-lines
)
1564 (gnus-treat-strip-cr gnus-article-remove-cr
)
1565 (gnus-treat-unsplit-urls gnus-article-unsplit-urls
)
1566 (gnus-treat-date-ut gnus-article-date-ut
)
1567 (gnus-treat-date-local gnus-article-date-local
)
1568 (gnus-treat-date-english gnus-article-date-english
)
1569 (gnus-treat-date-original gnus-article-date-original
)
1570 (gnus-treat-date-user-defined gnus-article-date-user
)
1571 (gnus-treat-date-iso8601 gnus-article-date-iso8601
)
1572 (gnus-treat-date-lapsed gnus-article-date-lapsed
)
1573 (gnus-treat-display-x-face gnus-article-display-x-face
)
1574 (gnus-treat-display-face gnus-article-display-face
)
1575 (gnus-treat-hide-headers gnus-article-maybe-hide-headers
)
1576 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers
)
1577 (gnus-treat-hide-signature gnus-article-hide-signature
)
1578 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers
)
1579 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace
)
1580 (gnus-treat-strip-pem gnus-article-hide-pem
)
1581 (gnus-treat-from-picon gnus-treat-from-picon
)
1582 (gnus-treat-mail-picon gnus-treat-mail-picon
)
1583 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon
)
1584 (gnus-treat-highlight-headers gnus-article-highlight-headers
)
1585 (gnus-treat-highlight-signature gnus-article-highlight-signature
)
1586 (gnus-treat-strip-trailing-blank-lines
1587 gnus-article-remove-trailing-blank-lines
)
1588 (gnus-treat-strip-leading-blank-lines
1589 gnus-article-strip-leading-blank-lines
)
1590 (gnus-treat-strip-multiple-blank-lines
1591 gnus-article-strip-multiple-blank-lines
)
1592 (gnus-treat-overstrike gnus-article-treat-overstrike
)
1593 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers
)
1594 (gnus-treat-fold-headers gnus-article-treat-fold-headers
)
1595 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups
)
1596 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head
)
1597 (gnus-treat-display-smileys gnus-treat-smiley
)
1598 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences
)
1599 (gnus-treat-wash-html gnus-article-wash-html
)
1600 (gnus-treat-emphasize gnus-article-emphasize
)
1601 (gnus-treat-hide-citation gnus-article-hide-citation
)
1602 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe
)
1603 (gnus-treat-highlight-citation gnus-article-highlight-citation
)
1604 (gnus-treat-body-boundary gnus-article-treat-body-boundary
)
1605 (gnus-treat-play-sounds gnus-earcon-display
)))
1607 (defvar gnus-article-mime-handle-alist nil
)
1608 (defvar article-lapsed-timer nil
)
1609 (defvar gnus-article-current-summary nil
)
1611 (defvar gnus-article-mode-syntax-table
1612 (let ((table (copy-syntax-table text-mode-syntax-table
)))
1613 ;; This causes the citation match run O(2^n).
1614 ;; (modify-syntax-entry ?- "w" table)
1615 (modify-syntax-entry ?
> ")<" table
)
1616 (modify-syntax-entry ?
< "(>" table
)
1617 ;; make M-. in article buffers work for `foo' strings
1618 (modify-syntax-entry ?
' " " table
)
1619 (modify-syntax-entry ?
` " " table
)
1621 "Syntax table used in article mode buffers.
1622 Initialized from `text-mode-syntax-table.")
1624 (defvar gnus-save-article-buffer nil
)
1626 (defvar gnus-article-mode-line-format-alist
1627 (nconc '((?w
(gnus-article-wash-status) ?s
)
1628 (?m
(gnus-article-mime-part-status) ?s
))
1629 gnus-summary-mode-line-format-alist
))
1631 (defvar gnus-number-of-articles-to-be-saved nil
)
1633 (defvar gnus-inhibit-hiding nil
)
1635 (defvar gnus-article-edit-mode nil
)
1637 ;;; Macros for dealing with the article buffer.
1639 (defmacro gnus-with-article-headers
(&rest forms
)
1641 (set-buffer gnus-article-buffer
)
1643 (let ((inhibit-read-only t
)
1644 (inhibit-point-motion-hooks t
)
1645 (case-fold-search t
))
1646 (article-narrow-to-head)
1649 (put 'gnus-with-article-headers
'lisp-indent-function
0)
1650 (put 'gnus-with-article-headers
'edebug-form-spec
'(body))
1652 (defmacro gnus-with-article-buffer
(&rest forms
)
1654 (set-buffer gnus-article-buffer
)
1655 (let ((inhibit-read-only t
))
1658 (put 'gnus-with-article-buffer
'lisp-indent-function
0)
1659 (put 'gnus-with-article-buffer
'edebug-form-spec
'(body))
1661 (defun gnus-article-goto-header (header)
1662 "Go to HEADER, which is a regular expression."
1663 (re-search-forward (concat "^\\(" header
"\\):") nil t
))
1665 (defsubst gnus-article-hide-text
(b e props
)
1666 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1667 (gnus-add-text-properties-when 'article-type nil b e props
)
1668 (when (memq 'intangible props
)
1670 (max (1- b
) (point-min))
1671 b
'intangible
(cddr (memq 'intangible props
)))))
1673 (defsubst gnus-article-unhide-text
(b e
)
1674 "Remove hidden text properties from region between B and E."
1675 (remove-text-properties b e gnus-hidden-properties
)
1676 (when (memq 'intangible gnus-hidden-properties
)
1677 (put-text-property (max (1- b
) (point-min))
1678 b
'intangible nil
)))
1680 (defun gnus-article-hide-text-type (b e type
)
1681 "Hide text of TYPE between B and E."
1682 (gnus-add-wash-type type
)
1683 (gnus-article-hide-text
1684 b e
(cons 'article-type
(cons type gnus-hidden-properties
))))
1686 (defun gnus-article-unhide-text-type (b e type
)
1687 "Unhide text of TYPE between B and E."
1688 (gnus-delete-wash-type type
)
1689 (remove-text-properties
1690 b e
(cons 'article-type
(cons type gnus-hidden-properties
)))
1691 (when (memq 'intangible gnus-hidden-properties
)
1692 (put-text-property (max (1- b
) (point-min))
1693 b
'intangible nil
)))
1695 (defun gnus-article-hide-text-of-type (type)
1696 "Hide text of TYPE in the current buffer."
1698 (let ((b (point-min))
1700 (while (setq b
(text-property-any b e
'article-type type
))
1701 (add-text-properties b
(incf b
) gnus-hidden-properties
)))))
1703 (defun gnus-article-delete-text-of-type (type)
1704 "Delete text of TYPE in the current buffer."
1706 (let ((b (point-min)))
1707 (if (eq type
'multipart
)
1708 ;; Remove MIME buttons associated with multipart/alternative parts.
1711 (while (if (get-text-property (point) 'gnus-part
)
1713 (when (setq b
(next-single-property-change (point)
1718 (skip-chars-forward "\n")
1719 (when (eq (get-text-property b
'article-type
) 'multipart
)
1720 (delete-region b
(point)))))
1721 (while (setq b
(text-property-any b
(point-max) 'article-type type
))
1723 b
(or (text-property-not-all b
(point-max) 'article-type type
)
1726 (defun gnus-article-delete-invisible-text ()
1727 "Delete all invisible text in the current buffer."
1729 (let ((b (point-min)))
1730 (while (setq b
(text-property-any b
(point-max) 'invisible t
))
1732 b
(or (text-property-not-all b
(point-max) 'invisible t
)
1735 (defun gnus-article-text-type-exists-p (type)
1736 "Say whether any text of type TYPE exists in the buffer."
1737 (text-property-any (point-min) (point-max) 'article-type type
))
1739 (defsubst gnus-article-header-rank
()
1740 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1741 (let ((list gnus-sorted-header-list
)
1744 (if (looking-at (car list
))
1746 (setq list
(cdr list
))
1750 (defun article-hide-headers (&optional arg delete
)
1751 "Hide unwanted headers and possibly sort them as well."
1753 ;; This function might be inhibited.
1754 (unless gnus-inhibit-hiding
1755 (let ((inhibit-read-only nil
)
1756 (case-fold-search t
)
1757 (max (1+ (length gnus-sorted-header-list
)))
1758 (inhibit-point-motion-hooks t
)
1759 (cur (current-buffer))
1760 ignored visible beg
)
1762 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1763 ;; group parameters, so we should go to the summary buffer.
1766 (progn (set-buffer gnus-summary-buffer
) t
)
1768 (setq ignored
(when (not gnus-visible-headers
)
1769 (cond ((stringp gnus-ignored-headers
)
1770 gnus-ignored-headers
)
1771 ((listp gnus-ignored-headers
)
1772 (mapconcat 'identity
1773 gnus-ignored-headers
1775 visible
(cond ((stringp gnus-visible-headers
)
1776 gnus-visible-headers
)
1777 ((and gnus-visible-headers
1778 (listp gnus-visible-headers
))
1779 (mapconcat 'identity
1780 gnus-visible-headers
1784 ;; First we narrow to just the headers.
1785 (article-narrow-to-head)
1786 ;; Hide any "From " lines at the beginning of (mail) articles.
1787 (while (looking-at "From ")
1790 (delete-region (point-min) (point)))
1791 ;; Then treat the rest of the header lines.
1792 ;; Then we use the two regular expressions
1793 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1794 ;; select which header lines is to remain visible in the
1796 (while (re-search-forward "^[^ \t:]*:" nil t
)
1798 ;; Mark the rank of the header.
1800 (point) (1+ (point)) 'message-rank
1801 (if (or (and visible
(looking-at visible
))
1803 (not (looking-at ignored
))))
1804 (gnus-article-header-rank)
1807 (message-sort-headers-1)
1808 (when (setq beg
(text-property-any
1809 (point-min) (point-max) 'message-rank
(+ 2 max
)))
1810 ;; We delete the unwanted headers.
1811 (gnus-add-wash-type 'headers
)
1812 (add-text-properties (point-min) (+ 5 (point-min))
1813 '(article-type headers dummy-invisible t
))
1814 (delete-region beg
(point-max))))))))
1816 (defun article-hide-boring-headers (&optional arg
)
1817 "Toggle hiding of headers that aren't very interesting.
1818 If given a negative prefix, always show; if given a positive prefix,
1820 (interactive (gnus-article-hidden-arg))
1821 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg
))
1822 (not gnus-show-all-headers
))
1825 (let ((inhibit-read-only t
)
1826 (list gnus-boring-article-headers
)
1827 (inhibit-point-motion-hooks t
)
1829 (article-narrow-to-head)
1831 (setq elem
(pop list
))
1832 (goto-char (point-min))
1834 ;; Hide empty headers.
1836 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t
)
1838 (gnus-article-hide-text-type
1842 (if (re-search-forward "^[^ \t]" nil t
)
1846 ;; Hide boring Newsgroups header.
1847 ((eq elem
'newsgroups
)
1848 (when (gnus-string-equal
1849 (gnus-fetch-field "newsgroups")
1850 (gnus-group-real-name
1851 (if (boundp 'gnus-newsgroup-name
)
1854 (gnus-article-hide-header "newsgroups")))
1855 ((eq elem
'to-address
)
1856 (let ((to (message-fetch-field "to"))
1858 (gnus-parameter-to-address
1859 (if (boundp 'gnus-newsgroup-name
)
1860 gnus-newsgroup-name
""))))
1861 (when (and to to-address
1864 ;; only one address in To
1865 (nth 1 (mail-extract-address-components to
))
1867 (gnus-article-hide-header "to"))))
1869 (let ((to (message-fetch-field "to"))
1871 (gnus-parameter-to-list
1872 (if (boundp 'gnus-newsgroup-name
)
1873 gnus-newsgroup-name
""))))
1874 (when (and to to-list
1877 ;; only one address in To
1878 (nth 1 (mail-extract-address-components to
))
1880 (gnus-article-hide-header "to"))))
1882 (let ((cc (message-fetch-field "cc"))
1884 (gnus-parameter-to-list
1885 (if (boundp 'gnus-newsgroup-name
)
1886 gnus-newsgroup-name
""))))
1887 (when (and cc to-list
1890 ;; only one address in CC
1891 (nth 1 (mail-extract-address-components cc
))
1893 (gnus-article-hide-header "cc"))))
1894 ((eq elem
'followup-to
)
1895 (when (gnus-string-equal
1896 (message-fetch-field "followup-to")
1897 (message-fetch-field "newsgroups"))
1898 (gnus-article-hide-header "followup-to")))
1899 ((eq elem
'reply-to
)
1900 (if (gnus-group-find-parameter
1901 gnus-newsgroup-name
'broken-reply-to
)
1902 (gnus-article-hide-header "reply-to")
1903 (let ((from (message-fetch-field "from"))
1904 (reply-to (message-fetch-field "reply-to")))
1911 (lambda (x) (downcase (cadr x
)))
1912 (mail-extract-address-components from t
))
1915 (lambda (x) (downcase (cadr x
)))
1916 (mail-extract-address-components reply-to t
))
1918 (gnus-article-hide-header "reply-to")))))
1920 (let ((date (message-fetch-field "date")))
1922 (< (days-between (current-time-string) date
)
1924 (gnus-article-hide-header "date"))))
1926 (let ((to (message-fetch-field "to"))
1927 (cc (message-fetch-field "cc")))
1928 (when (> (length to
) 1024)
1929 (gnus-article-hide-header "to"))
1930 (when (> (length cc
) 1024)
1931 (gnus-article-hide-header "cc"))))
1935 (goto-char (point-min))
1936 (while (re-search-forward "^to:" nil t
)
1937 (setq to-count
(1+ to-count
)))
1938 (when (> to-count
1)
1939 (while (> to-count
0)
1940 (goto-char (point-min))
1942 (re-search-forward "^to:" nil nil to-count
)
1944 (narrow-to-region (point) (point-max))
1945 (gnus-article-hide-header "to"))
1946 (setq to-count
(1- to-count
))))
1947 (goto-char (point-min))
1948 (while (re-search-forward "^cc:" nil t
)
1949 (setq cc-count
(1+ cc-count
)))
1950 (when (> cc-count
1)
1951 (while (> cc-count
0)
1952 (goto-char (point-min))
1954 (re-search-forward "^cc:" nil nil cc-count
)
1956 (narrow-to-region (point) (point-max))
1957 (gnus-article-hide-header "cc"))
1958 (setq cc-count
(1- cc-count
)))))))))))))
1960 (defun gnus-article-hide-header (header)
1962 (goto-char (point-min))
1963 (when (re-search-forward (concat "^" header
":") nil t
)
1964 (gnus-article-hide-text-type
1968 (if (re-search-forward "^[^ \t]" nil t
)
1973 (defvar gnus-article-normalized-header-length
40
1974 "Length of normalized headers.")
1976 (defun article-normalize-headers ()
1977 "Make all header lines 40 characters long."
1979 (let ((inhibit-read-only t
)
1983 (article-narrow-to-head)
1986 ((< (setq column
(- (gnus-point-at-eol) (point)))
1987 gnus-article-normalized-header-length
)
1989 (insert (make-string
1990 (- gnus-article-normalized-header-length column
)
1992 ((> column gnus-article-normalized-header-length
)
1993 (gnus-put-text-property
1995 (forward-char gnus-article-normalized-header-length
)
2002 (forward-line 1))))))
2004 (defun article-treat-dumbquotes ()
2005 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2006 Note that this function guesses whether a character is a sm*rtq**t* or
2007 not, so it should only be used interactively.
2009 Sm*rtq**t*s are M****s***'s unilateral extension to the
2010 iso-8859-1 character map in an attempt to provide more quoting
2011 characters. If you see something like \\222 or \\264 where
2012 you're expecting some kind of apostrophe or quotation mark, then
2015 (article-translate-strings gnus-article-dumbquotes-map
))
2017 (defun article-translate-characters (from to
)
2018 "Translate all characters in the body of the article according to FROM and TO.
2019 FROM is a string of characters to translate from; to is a string of
2020 characters to translate to."
2022 (when (article-goto-body)
2023 (let ((inhibit-read-only t
)
2024 (x (make-string 225 ?x
))
2026 (while (< (incf i
) (length x
))
2029 (while (< i
(length from
))
2030 (aset x
(aref from i
) (aref to i
))
2032 (translate-region (point) (point-max) x
)))))
2034 (defun article-translate-strings (map)
2035 "Translate all string in the body of the article according to MAP.
2036 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2038 (when (article-goto-body)
2039 (let ((inhibit-read-only t
)
2041 (while (setq elem
(pop map
))
2043 (while (search-forward (car elem
) nil t
)
2044 (replace-match (cadr elem
)))))))))
2046 (defun article-treat-overstrike ()
2047 "Translate overstrikes into bold text."
2050 (when (article-goto-body)
2051 (let ((inhibit-read-only t
))
2052 (while (search-forward "\b" nil t
)
2053 (let ((next (char-after))
2054 (previous (char-after (- (point) 2))))
2055 ;; We do the boldification/underlining by hiding the
2056 ;; overstrikes and putting the proper text property
2060 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike
)
2061 (put-text-property (point) (1+ (point)) 'face
'bold
))
2063 (gnus-article-hide-text-type
2064 (1- (point)) (1+ (point)) 'overstrike
)
2066 (- (point) 2) (1- (point)) 'face
'underline
))
2068 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike
)
2070 (point) (1+ (point)) 'face
'underline
)))))))))
2072 (defun gnus-article-treat-unfold-headers ()
2073 "Unfold folded message headers.
2074 Only the headers that fit into the current window width will be
2077 (gnus-with-article-headers
2081 (mail-header-narrow-to-field)
2082 (let ((header (buffer-string)))
2085 (goto-char (point-min))
2086 (while (re-search-forward "\n[\t ]" nil t
)
2087 (replace-match " " t t
)))
2088 (setq length
(- (point-max) (point-min) 1)))
2089 (when (< length
(window-width))
2090 (while (re-search-forward "\n[\t ]" nil t
)
2091 (replace-match " " t t
)))
2092 (goto-char (point-max)))))))
2094 (defun gnus-article-treat-fold-headers ()
2095 "Fold message headers."
2097 (gnus-with-article-headers
2100 (mail-header-narrow-to-field)
2101 (mail-header-fold-field)
2102 (goto-char (point-max))))))
2104 (defun gnus-treat-smiley ()
2105 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2107 (gnus-with-article-buffer
2108 (if (memq 'smiley gnus-article-wash-types
)
2109 (gnus-delete-images 'smiley
)
2111 (let ((images (smiley-region (point) (point-max))))
2113 (gnus-add-wash-type 'smiley
)
2114 (dolist (image images
)
2115 (gnus-add-image 'smiley image
)))))))
2117 (defun gnus-article-remove-images ()
2118 "Remove all images from the article buffer."
2120 (gnus-with-article-buffer
2121 (dolist (elem gnus-article-image-alist
)
2122 (gnus-delete-images (car elem
)))))
2124 (defun gnus-article-treat-fold-newsgroups ()
2125 "Unfold folded message headers.
2126 Only the headers that fit into the current window width will be
2129 (gnus-with-article-headers
2130 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2132 (mail-header-narrow-to-field)
2133 (while (re-search-forward ", *" nil t
)
2134 (replace-match ", " t t
))
2135 (mail-header-fold-field)
2136 (goto-char (point-max))))))
2138 (defun gnus-article-treat-body-boundary ()
2139 "Place a boundary line at the end of the headers."
2141 (when (and gnus-body-boundary-delimiter
2142 (> (length gnus-body-boundary-delimiter
) 0))
2143 (gnus-with-article-headers
2144 (goto-char (point-max))
2145 (let ((start (point)))
2146 (insert "X-Boundary: ")
2147 (gnus-add-text-properties start
(point) '(invisible t intangible t
))
2149 (while (>= (1- (window-width)) (length str
))
2150 (setq str
(concat str gnus-body-boundary-delimiter
)))
2151 (substring str
0 (1- (window-width))))
2153 (gnus-put-text-property start
(point) 'gnus-decoration
'header
)))))
2155 (defun article-fill-long-lines ()
2156 "Fill lines that are wider than the window width."
2159 (let ((inhibit-read-only t
)
2160 (width (window-width (get-buffer-window (current-buffer)))))
2163 (let ((adaptive-fill-mode nil
)) ;Why? -sm
2166 (when (>= (current-column) (min fill-column width
))
2167 (narrow-to-region (min (1+ (point)) (point-max))
2168 (gnus-point-at-bol))
2169 (let ((goback (point-marker)))
2170 (fill-paragraph nil
)
2171 (goto-char (marker-position goback
)))
2173 (forward-line 1)))))))
2175 (defun article-capitalize-sentences ()
2176 "Capitalize the first word in each sentence."
2179 (let ((inhibit-read-only t
)
2180 (paragraph-start "^[\n\^L]"))
2184 (forward-sentence)))))
2186 (defun article-remove-cr ()
2187 "Remove trailing CRs and then translate remaining CRs into LFs."
2190 (let ((inhibit-read-only t
))
2191 (goto-char (point-min))
2192 (while (re-search-forward "\r+$" nil t
)
2193 (replace-match "" t t
))
2194 (goto-char (point-min))
2195 (while (search-forward "\r" nil t
)
2196 (replace-match "\n" t t
)))))
2198 (defun article-remove-trailing-blank-lines ()
2199 "Remove all trailing blank lines from the article."
2202 (let ((inhibit-read-only t
))
2203 (goto-char (point-max))
2207 (while (and (not (bobp))
2208 (looking-at "^[ \t]*$")
2209 (not (gnus-annotation-in-region-p
2210 (point) (gnus-point-at-eol))))
2215 (defun article-display-face ()
2216 "Display any Face headers in the header."
2218 (let ((wash-face-p buffer-read-only
))
2219 (gnus-with-article-headers
2220 ;; When displaying parts, this function can be called several times on
2221 ;; the same article, without any intended toggle semantic (as typing `W
2222 ;; D d' would have). So face deletion must occur only when we come from
2223 ;; an interactive command, that is when the *Article* buffer is
2225 (if (and wash-face-p
(memq 'face gnus-article-wash-types
))
2226 (gnus-delete-images 'face
)
2227 (let (face faces from
)
2228 (save-current-buffer
2229 (when (and wash-face-p
2230 (gnus-buffer-live-p gnus-original-article-buffer
)
2231 (not (re-search-forward "^Face:[\t ]*" nil t
)))
2232 (set-buffer gnus-original-article-buffer
))
2234 (mail-narrow-to-head)
2235 (while (gnus-article-goto-header "Face")
2236 (push (mail-header-field-value) faces
))))
2238 (goto-char (point-min))
2239 (let ((from (gnus-article-goto-header "from"))
2244 (insert "[no `from' set]\n"))
2246 (when (setq png
(gnus-convert-face-to-png (pop faces
)))
2247 (setq image
(gnus-create-image png
'png t
))
2249 (gnus-add-wash-type 'face
)
2250 (gnus-add-image 'face image
)
2251 (gnus-put-image image nil
'face
))))))))))
2253 (defun article-display-x-face (&optional force
)
2254 "Look for an X-Face header and display it if present."
2255 (interactive (list 'force
))
2256 (let ((wash-face-p buffer-read-only
)) ;; When type `W f'
2257 (gnus-with-article-headers
2258 ;; Delete the old process, if any.
2259 (when (process-status "article-x-face")
2260 (delete-process "article-x-face"))
2261 ;; See the comment in `article-display-face'.
2262 (if (and wash-face-p
(memq 'xface gnus-article-wash-types
))
2263 ;; We have already displayed X-Faces, so we remove them
2265 (gnus-delete-images 'xface
)
2267 (let (x-faces from face
)
2268 (save-current-buffer
2269 (when (and wash-face-p
2270 (gnus-buffer-live-p gnus-original-article-buffer
)
2271 (not (re-search-forward "^X-Face:[\t ]*" nil t
)))
2272 ;; If type `W f', use gnus-original-article-buffer,
2273 ;; otherwise use the current buffer because displaying
2274 ;; RFC822 parts calls this function too.
2275 (set-buffer gnus-original-article-buffer
))
2277 (mail-narrow-to-head)
2278 (while (gnus-article-goto-header "X-Face")
2279 (push (mail-header-field-value) x-faces
))
2280 (setq from
(message-fetch-field "from"))))
2281 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2282 ;; single external face.
2283 (when (stringp gnus-article-x-face-command
)
2284 (setq x-faces
(list (car x-faces
))))
2286 gnus-article-x-face-command
2288 ;; Check whether this face is censored.
2289 (not gnus-article-x-face-too-ugly
)
2291 (not (string-match gnus-article-x-face-too-ugly
2293 (while (setq face
(pop x-faces
))
2294 ;; We display the face.
2295 (cond ((stringp gnus-article-x-face-command
)
2296 ;; The command is a string, so we interpret the command
2297 ;; as a, well, command, and fork it off.
2298 (let ((process-connection-type nil
))
2299 (gnus-set-process-query-on-exit-flag
2301 "article-x-face" nil shell-file-name
2302 shell-command-switch gnus-article-x-face-command
)
2306 (process-send-region "article-x-face"
2307 (point-min) (point-max)))
2308 (process-send-eof "article-x-face")))
2309 ((functionp gnus-article-x-face-command
)
2310 ;; The command is a lisp function, so we call it.
2311 (funcall gnus-article-x-face-command face
))
2313 (error "%s is not a function"
2314 gnus-article-x-face-command
))))))))))
2316 (defun article-decode-mime-words ()
2317 "Decode all MIME-encoded words in the article."
2320 (set-buffer gnus-article-buffer
)
2321 (let ((inhibit-point-motion-hooks t
)
2322 (inhibit-read-only t
)
2323 (mail-parse-charset gnus-newsgroup-charset
)
2324 (mail-parse-ignored-charsets
2325 (save-excursion (set-buffer gnus-summary-buffer
)
2326 gnus-newsgroup-ignored-charsets
)))
2327 (mail-decode-encoded-word-region (point-min) (point-max)))))
2329 (defun article-decode-charset (&optional prompt
)
2330 "Decode charset-encoded text in the article.
2331 If PROMPT (the prefix), prompt for a coding system to use."
2333 (let ((inhibit-point-motion-hooks t
) (case-fold-search t
)
2334 (inhibit-read-only t
)
2335 (mail-parse-charset gnus-newsgroup-charset
)
2336 (mail-parse-ignored-charsets
2337 (save-excursion (condition-case nil
2338 (set-buffer gnus-summary-buffer
)
2340 gnus-newsgroup-ignored-charsets
))
2341 ct cte ctl charset format
)
2344 (article-narrow-to-head)
2345 (setq ct
(message-fetch-field "Content-Type" t
)
2346 cte
(message-fetch-field "Content-Transfer-Encoding" t
)
2347 ctl
(and ct
(mail-header-parse-content-type ct
))
2350 (mm-read-coding-system "Charset to decode: "))
2352 (mail-content-type-get ctl
'charset
)))
2353 format
(and ctl
(mail-content-type-get ctl
'format
)))
2355 (setq cte
(mail-header-strip cte
)))
2356 (if (and ctl
(not (string-match "/" (car ctl
))))
2358 (goto-char (point-max)))
2361 (narrow-to-region (point) (point-max))
2362 (when (and (eq mail-parse-charset
'gnus-decoded
)
2363 (eq (mm-body-7-or-8) '8bit
))
2364 ;; The text code could have been decoded.
2365 (setq charset mail-parse-charset
))
2366 (when (and (or (not ctl
)
2367 (equal (car ctl
) "text/plain"))
2368 (not format
)) ;; article with format will decode later.
2370 charset
(and cte
(intern (downcase
2371 (gnus-strip-whitespace cte
))))
2374 (defun article-decode-encoded-words ()
2375 "Remove encoded-word encoding from headers."
2376 (let ((inhibit-point-motion-hooks t
)
2377 (mail-parse-charset gnus-newsgroup-charset
)
2378 (mail-parse-ignored-charsets
2379 (save-excursion (condition-case nil
2380 (set-buffer gnus-summary-buffer
)
2382 gnus-newsgroup-ignored-charsets
))
2383 (inhibit-read-only t
)
2386 (article-narrow-to-head)
2388 (setq start
(point))
2391 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2392 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2397 (memq (char-after) '(?
\t ?
))))))
2398 (funcall gnus-decode-address-function start
(point))
2399 (funcall gnus-decode-header-function start
(point)))))))
2401 (defun article-decode-group-name ()
2402 "Decode group names in `Newsgroups:'."
2403 (let ((inhibit-point-motion-hooks t
)
2404 (inhibit-read-only t
)
2405 (method (gnus-find-method-for-group gnus-newsgroup-name
)))
2406 (when (and (or gnus-group-name-charset-method-alist
2407 gnus-group-name-charset-group-alist
)
2408 (gnus-buffer-live-p gnus-original-article-buffer
))
2410 (article-narrow-to-head)
2411 (with-current-buffer gnus-original-article-buffer
2412 (goto-char (point-min)))
2413 (while (re-search-forward
2414 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t
)
2415 (replace-match (save-match-data
2416 (gnus-decode-newsgroups
2417 ;; XXX how to use data in article buffer?
2418 (with-current-buffer gnus-original-article-buffer
2420 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2423 gnus-newsgroup-name method
))
2425 (goto-char (point-min))
2426 (with-current-buffer gnus-original-article-buffer
2427 (goto-char (point-min)))
2428 (while (re-search-forward
2429 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t
)
2430 (replace-match (save-match-data
2431 (gnus-decode-newsgroups
2432 ;; XXX how to use data in article buffer?
2433 (with-current-buffer gnus-original-article-buffer
2435 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2438 gnus-newsgroup-name method
))
2441 (autoload 'idna-to-unicode
"idna")
2443 (defun article-decode-idna-rhs ()
2444 "Decode IDNA strings in RHS in various headers in current buffer.
2445 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2446 Mail-Reply-To: and Mail-Followup-To:."
2449 (let ((inhibit-point-motion-hooks t
)
2450 (inhibit-read-only t
))
2451 (article-narrow-to-head)
2452 (goto-char (point-min))
2453 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t
)
2455 (when (save-match-data
2456 (and (setq ace
(match-string 1))
2458 (and (re-search-backward "^[^ \t]" nil t
)
2459 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2460 (setq unicode
(idna-to-unicode ace
))))
2461 (unless (string= ace unicode
)
2462 (replace-match unicode nil nil nil
1)))))))))
2464 (defun article-de-quoted-unreadable (&optional force read-charset
)
2465 "Translate a quoted-printable-encoded article.
2466 If FORCE, decode the article whether it is marked as quoted-printable
2468 If READ-CHARSET, ask for a coding system."
2469 (interactive (list 'force current-prefix-arg
))
2471 (let ((inhibit-read-only t
) type charset
)
2472 (if (gnus-buffer-live-p gnus-original-article-buffer
)
2473 (with-current-buffer gnus-original-article-buffer
2475 (gnus-fetch-field "content-transfer-encoding"))
2476 (let* ((ct (gnus-fetch-field "content-type"))
2477 (ctl (and ct
(mail-header-parse-content-type ct
))))
2478 (setq charset
(and ctl
2479 (mail-content-type-get ctl
'charset
)))
2480 (if (stringp charset
)
2481 (setq charset
(intern (downcase charset
)))))))
2483 (setq charset
(mm-read-coding-system "Charset: " charset
)))
2485 (setq charset gnus-newsgroup-charset
))
2487 (and type
(let ((case-fold-search t
))
2488 (string-match "quoted-printable" type
))))
2490 (quoted-printable-decode-region
2491 (point) (point-max) (mm-charset-to-coding-system charset
))))))
2493 (defun article-de-base64-unreadable (&optional force read-charset
)
2494 "Translate a base64 article.
2495 If FORCE, decode the article whether it is marked as base64 not.
2496 If READ-CHARSET, ask for a coding system."
2497 (interactive (list 'force current-prefix-arg
))
2499 (let ((inhibit-read-only t
) type charset
)
2500 (if (gnus-buffer-live-p gnus-original-article-buffer
)
2501 (with-current-buffer gnus-original-article-buffer
2503 (gnus-fetch-field "content-transfer-encoding"))
2504 (let* ((ct (gnus-fetch-field "content-type"))
2505 (ctl (and ct
(mail-header-parse-content-type ct
))))
2506 (setq charset
(and ctl
2507 (mail-content-type-get ctl
'charset
)))
2508 (if (stringp charset
)
2509 (setq charset
(intern (downcase charset
)))))))
2511 (setq charset
(mm-read-coding-system "Charset: " charset
)))
2513 (setq charset gnus-newsgroup-charset
))
2515 (and type
(let ((case-fold-search t
))
2516 (string-match "base64" type
))))
2519 (narrow-to-region (point) (point-max))
2520 (base64-decode-region (point-min) (point-max))
2521 (mm-decode-coding-region
2522 (point-min) (point-max) (mm-charset-to-coding-system charset
)))))))
2527 (defun article-decode-HZ ()
2528 "Translate a HZ-encoded article."
2532 (let ((inhibit-read-only t
))
2533 (rfc1843-decode-region (point-min) (point-max)))))
2535 (defun article-unsplit-urls ()
2536 "Remove the newlines that some other mailers insert into URLs."
2539 (let ((inhibit-read-only t
))
2540 (goto-char (point-min))
2541 (while (re-search-forward
2542 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t
)
2543 (replace-match "\\1\\3" t
)))
2544 (when (interactive-p)
2545 (gnus-treat-article nil
))))
2548 (defun article-wash-html (&optional read-charset
)
2549 "Format an HTML article.
2550 If READ-CHARSET, ask for a coding system. If it is a number, the
2551 charset defined in `gnus-summary-show-article-charset-alist' is used."
2554 (let ((inhibit-read-only t
)
2557 (if (or (and (numberp read-charset
)
2561 gnus-summary-show-article-charset-alist
))))
2562 (setq charset
(mm-read-coding-system "Charset: ")))
2563 (let ((gnus-summary-show-article-charset-alist
2564 (list (cons 1 charset
))))
2565 (with-current-buffer gnus-summary-buffer
2566 (gnus-summary-show-article 1)))
2567 (error "No charset is given"))
2568 (when (gnus-buffer-live-p gnus-original-article-buffer
)
2569 (with-current-buffer gnus-original-article-buffer
2570 (let* ((ct (gnus-fetch-field "content-type"))
2571 (ctl (and ct
(mail-header-parse-content-type ct
))))
2572 (setq charset
(and ctl
2573 (mail-content-type-get ctl
'charset
)))
2574 (when (stringp charset
)
2575 (setq charset
(intern (downcase charset
)))))))
2577 (setq charset gnus-newsgroup-charset
)))
2579 (save-window-excursion
2581 (narrow-to-region (point) (point-max))
2582 (let* ((func (or gnus-article-wash-function mm-text-html-renderer
))
2583 (entry (assq func mm-text-html-washer-alist
)))
2585 (setq func
(cdr entry
)))
2590 (apply (car func
) (cdr func
))))))))))
2592 (defun gnus-article-wash-html-with-w3 ()
2593 "Wash the current buffer with w3."
2595 (let ((w3-strict-width (window-width))
2596 (url-standalone-mode t
)
2597 (url-gateway-unplugged t
)
2598 (w3-honor-stylesheets nil
))
2600 (w3-region (point-min) (point-max))
2603 (defun gnus-article-wash-html-with-w3m ()
2604 "Wash the current buffer with emacs-w3m."
2606 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp
)
2607 w3m-force-redisplay
)
2608 (w3m-region (point-min) (point-max)))
2609 (when (and mm-inline-text-html-with-w3m-keymap
2610 (boundp 'w3m-minor-mode-map
)
2612 (add-text-properties
2613 (point-min) (point-max)
2614 (list 'keymap w3m-minor-mode-map
2615 ;; Put the mark meaning this part was rendered by emacs-w3m.
2616 'mm-inline-text-html-with-w3m t
))))
2618 (eval-when-compile (defvar charset
)) ;; Bound by `article-wash-html'.
2620 (defun gnus-article-wash-html-with-w3m-standalone ()
2621 "Wash the current buffer with w3m."
2622 (if (mm-w3m-standalone-supports-m17n-p)
2624 (unless (mm-coding-system-p charset
) ;; Bound by `article-wash-html'.
2626 (setq charset
'iso-8859-1
))
2627 (let ((coding-system-for-write charset
)
2628 (coding-system-for-read charset
))
2629 (call-process-region
2630 (point-min) (point-max)
2631 "w3m" t t nil
"-dump" "-T" "text/html"
2632 "-I" (symbol-name charset
) "-O" (symbol-name charset
))))
2633 (mm-inline-wash-with-stdin nil
"w3m" "-dump" "-T" "text/html")))
2635 (defun article-hide-list-identifiers ()
2636 "Remove list identifies from the Subject header.
2637 The `gnus-list-identifiers' variable specifies what to do."
2639 (let ((inhibit-point-motion-hooks t
)
2640 (regexp (if (consp gnus-list-identifiers
)
2641 (mapconcat 'identity gnus-list-identifiers
" *\\|")
2642 gnus-list-identifiers
))
2643 (inhibit-read-only t
))
2647 (article-narrow-to-head)
2648 (goto-char (point-min))
2649 (while (re-search-forward
2650 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp
" *\\)")
2652 (delete-region (match-beginning 2) (match-end 0))
2653 (beginning-of-line))
2654 (when (re-search-forward
2655 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t
)
2656 (delete-region (match-beginning 1) (match-end 1))))))))
2658 (defun article-hide-pem (&optional arg
)
2659 "Toggle hiding of any PEM headers and signatures in the current article.
2660 If given a negative prefix, always show; if given a positive prefix,
2662 (interactive (gnus-article-hidden-arg))
2663 (unless (gnus-article-check-hidden-text 'pem arg
)
2665 (let ((inhibit-read-only t
) end
)
2666 (goto-char (point-min))
2667 ;; Hide the horrendously ugly "header".
2668 (when (and (search-forward
2669 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2671 (setq end
(1+ (match-beginning 0))))
2672 (gnus-add-wash-type 'pem
)
2673 (gnus-article-hide-text-type
2675 (if (search-forward "\n\n" nil t
)
2679 ;; Hide the trailer as well
2680 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2682 (gnus-article-hide-text-type
2683 (match-beginning 0) (match-end 0) 'pem
)))))))
2685 (defun article-strip-banner ()
2686 "Strip the banners specified by the `banner' group parameter and by
2687 `gnus-article-address-banner-alist'."
2691 (let ((inhibit-point-motion-hooks t
))
2692 (when (gnus-parameter-banner gnus-newsgroup-name
)
2693 (article-really-strip-banner
2694 (gnus-parameter-banner gnus-newsgroup-name
)))
2695 (when gnus-article-address-banner-alist
2696 ;; Note that the From header is decoded here, so it is
2697 ;; required that the *-extract-address-components function
2698 ;; supports non-ASCII text.
2699 (let ((from (save-restriction
2701 (article-narrow-to-head)
2702 (mail-fetch-field "from"))))
2705 (cadr (funcall gnus-extract-address-components
2708 (dolist (pair gnus-article-address-banner-alist
)
2709 (when (string-match (car pair
) from
)
2711 (article-really-strip-banner (cdr pair
)))))))))))))
2713 (defun article-really-strip-banner (banner)
2714 "Strip the banner specified by the argument."
2717 (let ((inhibit-point-motion-hooks t
)
2718 (gnus-signature-limit nil
)
2719 (inhibit-read-only t
))
2722 ((eq banner
'signature
)
2723 (when (gnus-article-narrow-to-signature)
2726 (delete-region (point) (point-max))))
2728 (if (setq banner
(cdr (assq banner gnus-article-banner-alist
)))
2729 (while (re-search-forward banner nil t
)
2730 (delete-region (match-beginning 0) (match-end 0)))))
2732 (while (re-search-forward banner nil t
)
2733 (delete-region (match-beginning 0) (match-end 0)))))))))
2735 (defun article-babel ()
2736 "Translate article using an online translation service."
2740 (set-buffer gnus-article-buffer
)
2741 (when (article-goto-body)
2742 (let* ((inhibit-read-only t
)
2745 (orig (buffer-substring start end
))
2746 (trans (babel-as-string orig
)))
2748 (narrow-to-region start end
)
2749 (delete-region start end
)
2752 (defun article-hide-signature (&optional arg
)
2753 "Hide the signature in the current article.
2754 If given a negative prefix, always show; if given a positive prefix,
2756 (interactive (gnus-article-hidden-arg))
2757 (unless (gnus-article-check-hidden-text 'signature arg
)
2760 (let ((inhibit-read-only t
))
2761 (when (gnus-article-narrow-to-signature)
2762 (gnus-article-hide-text-type
2763 (point-min) (point-max) 'signature
))))))
2764 (gnus-set-mode-line 'article
))
2766 (defun article-strip-headers-in-body ()
2767 "Strip offensive headers from bodies."
2771 (let ((case-fold-search t
))
2772 (when (looking-at "x-no-archive:")
2773 (gnus-delete-line)))))
2775 (defun article-strip-leading-blank-lines ()
2776 "Remove all blank lines from the beginning of the article."
2779 (let ((inhibit-point-motion-hooks t
)
2780 (inhibit-read-only t
))
2781 (when (article-goto-body)
2782 (while (and (not (eobp))
2783 (looking-at "[ \t]*$"))
2784 (gnus-delete-line))))))
2786 (defun article-narrow-to-head ()
2787 "Narrow the buffer to the head of the message.
2788 Point is left at the beginning of the narrowed-to region."
2790 (goto-char (point-min))
2791 (if (search-forward "\n\n" nil
1)
2794 (goto-char (point-min)))
2796 (defun article-goto-body ()
2797 "Place point at the start of the body."
2798 (goto-char (point-min))
2800 ;; This variable is only bound when dealing with separate
2802 (article-goto-body-goes-to-point-min-p
2804 ((search-forward "\n\n" nil t
)
2807 (goto-char (point-max))
2810 (defun article-strip-multiple-blank-lines ()
2811 "Replace consecutive blank lines with one empty line."
2814 (let ((inhibit-point-motion-hooks t
)
2815 (inhibit-read-only t
))
2816 ;; First make all blank lines empty.
2818 (while (re-search-forward "^[ \t]+$" nil t
)
2819 (unless (gnus-annotation-in-region-p
2820 (match-beginning 0) (match-end 0))
2821 (replace-match "" nil t
)))
2822 ;; Then replace multiple empty lines with a single empty line.
2824 (while (re-search-forward "\n\n\\(\n+\\)" nil t
)
2825 (unless (gnus-annotation-in-region-p
2826 (match-beginning 0) (match-end 0))
2827 (delete-region (match-beginning 1) (match-end 1)))))))
2829 (defun article-strip-leading-space ()
2830 "Remove all white space from the beginning of the lines in the article."
2833 (let ((inhibit-point-motion-hooks t
)
2834 (inhibit-read-only t
))
2836 (while (re-search-forward "^[ \t]+" nil t
)
2837 (replace-match "" t t
)))))
2839 (defun article-strip-trailing-space ()
2840 "Remove all white space from the end of the lines in the article."
2843 (let ((inhibit-point-motion-hooks t
)
2844 (inhibit-read-only t
))
2846 (while (re-search-forward "[ \t]+$" nil t
)
2847 (replace-match "" t t
)))))
2849 (defun article-strip-blank-lines ()
2850 "Strip leading, trailing and multiple blank lines."
2852 (article-strip-leading-blank-lines)
2853 (article-remove-trailing-blank-lines)
2854 (article-strip-multiple-blank-lines))
2856 (defun article-strip-all-blank-lines ()
2857 "Strip all blank lines."
2860 (let ((inhibit-point-motion-hooks t
)
2861 (inhibit-read-only t
))
2863 (while (re-search-forward "^[ \t]*\n" nil t
)
2864 (replace-match "" t t
)))))
2866 (defun gnus-article-narrow-to-signature ()
2867 "Narrow to the signature; return t if a signature is found, else nil."
2868 (let ((inhibit-point-motion-hooks t
))
2869 (when (gnus-article-search-signature)
2871 ;; Check whether we have some limits to what we consider
2872 ;; to be a signature.
2873 (let ((limits (if (listp gnus-signature-limit
) gnus-signature-limit
2874 (list gnus-signature-limit
)))
2876 (while (setq limit
(pop limits
))
2877 (if (or (and (integerp limit
)
2878 (< (- (point-max) (point)) limit
))
2880 (< (count-lines (point) (point-max)) limit
))
2881 (and (functionp limit
)
2883 (and (stringp limit
)
2884 (not (re-search-forward limit nil t
))))
2885 () ; This limit did not succeed.
2889 (narrow-to-region (point) (point-max))
2892 (defun gnus-article-search-signature ()
2893 "Search the current buffer for the signature separator.
2894 Put point at the beginning of the signature separator."
2895 (let ((cur (point)))
2896 (goto-char (point-max))
2897 (if (if (stringp gnus-signature-separator
)
2898 (re-search-backward gnus-signature-separator nil t
)
2899 (let ((seps gnus-signature-separator
))
2901 (not (re-search-backward (car seps
) nil t
)))
2908 (defun gnus-article-hidden-arg ()
2909 "Return the current prefix arg as a number, or 0 if no prefix."
2910 (list (if current-prefix-arg
2911 (prefix-numeric-value current-prefix-arg
)
2914 (defun gnus-article-check-hidden-text (type arg
)
2915 "Return nil if hiding is necessary.
2916 Arg can be nil or a number. nil and positive means hide, negative
2917 means show, 0 means toggle."
2920 (let ((hide (gnus-article-hidden-text-p type
)))
2926 (gnus-article-show-hidden-text type
)
2929 (if (eq hide
'hidden
)
2931 (gnus-article-show-hidden-text type
)
2935 (defun gnus-article-hidden-text-p (type)
2936 "Say whether the current buffer contains hidden text of type TYPE."
2937 (let ((pos (text-property-any (point-min) (point-max) 'article-type type
)))
2939 (not (get-text-property pos
'invisible
))
2940 (not (get-text-property pos
'dummy-invisible
)))
2942 (text-property-any (1+ pos
) (point-max) 'article-type type
)))
2947 (defun gnus-article-show-hidden-text (type &optional dummy
)
2948 "Show all hidden text of type TYPE.
2949 Originally it is hide instead of DUMMY."
2950 (let ((inhibit-read-only t
)
2951 (inhibit-point-motion-hooks t
))
2952 (gnus-remove-text-properties-when
2954 (point-min) (point-max)
2955 (cons 'article-type
(cons type
2956 gnus-hidden-properties
)))
2957 (gnus-delete-wash-type type
)))
2959 (defconst article-time-units
2960 `((year .
,(* 365.25 24 60 60))
2961 (week .
,(* 7 24 60 60))
2962 (day .
,(* 24 60 60))
2966 "Mapping from time units to seconds.")
2968 (defun gnus-article-forward-header ()
2969 "Move point to the start of the next header.
2970 If the current header is a continuation header, this can be several
2975 (if (looking-at "[ \t]+[^ \t]")
2979 (defun article-date-ut (&optional type highlight
)
2980 "Convert DATE date to universal time in the current article.
2981 If TYPE is `local', convert to local time; if it is `lapsed', output
2982 how much time has lapsed since DATE. For `lapsed', the value of
2983 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2984 should replace the \"Date:\" one, or should be added below it."
2985 (interactive (list 'ut t
))
2986 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2987 (date-regexp (cond ((not gnus-article-date-lapsed-new-header
)
2991 (article-lapsed-timer
2995 (case-fold-search t
)
2996 (inhibit-read-only t
)
2997 (inhibit-point-motion-hooks t
)
2998 pos date bface eface
)
3002 (goto-char (point-min))
3003 (while (or (setq date
(get-text-property (setq pos
(point))
3005 (when (setq pos
(next-single-property-change
3006 (point) 'original-date
))
3007 (setq date
(get-text-property pos
'original-date
))
3009 (narrow-to-region pos
(or (text-property-any pos
(point-max)
3012 (goto-char (point-min))
3013 (when (re-search-forward tdate-regexp nil t
)
3014 (setq bface
(get-text-property (gnus-point-at-bol) 'face
)
3015 eface
(get-text-property (1- (gnus-point-at-eol)) 'face
)))
3016 (goto-char (point-min))
3018 ;; Delete any old Date headers.
3019 (while (re-search-forward date-regexp nil t
)
3021 (delete-region (gnus-point-at-bol)
3023 (gnus-article-forward-header)
3025 (delete-region (gnus-point-at-bol)
3027 (gnus-article-forward-header)
3030 (setq pos
(point))))
3031 (when (and (not pos
)
3032 (re-search-forward tdate-regexp nil t
))
3034 (gnus-goto-char pos
)
3035 (insert (article-make-date-line date
(or type
'ut
)))
3041 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3042 (put-text-property (match-beginning 1) (1+ (match-end 1))
3044 (put-text-property (match-beginning 2) (match-end 2)
3046 (put-text-property (point-min) (1- (point-max)) 'original-date date
)
3047 (goto-char (point-max))
3050 (defun article-make-date-line (date type
)
3051 "Return a DATE line of TYPE."
3052 (unless (memq type
'(local ut original user iso8601 lapsed english
))
3053 (error "Unknown conversion type: %s" type
))
3055 (let ((time (date-to-time date
)))
3057 ;; Convert to the local timezone.
3059 (let ((tz (car (current-time-zone time
))))
3060 (format "Date: %s %s%02d%02d" (current-time-string time
)
3061 (if (> tz
0) "+" "-") (/ (abs tz
) 3600)
3062 (/ (%
(abs tz
) 3600) 60))))
3063 ;; Convert to Universal Time.
3066 (current-time-string
3067 (let* ((e (parse-time-string date
))
3068 (tm (apply 'encode-time e
))
3070 (ls (- (cadr tm
) (car (current-time-zone time
)))))
3071 (cond ((< ls
0) (list (1- ms
) (+ ls
65536)))
3072 ((> ls
65535) (list (1+ ms
) (- ls
65536)))
3075 ;; Get the original date from the article.
3076 ((eq type
'original
)
3077 (concat "Date: " (if (string-match "\n+$" date
)
3078 (substring date
0 (match-beginning 0))
3080 ;; Let the user define the format.
3082 (let ((format (or (condition-case nil
3083 (with-current-buffer gnus-summary-buffer
3084 gnus-article-time-format
)
3086 gnus-article-time-format
)))
3087 (if (functionp format
)
3088 (funcall format time
)
3089 (concat "Date: " (format-time-string format time
)))))
3092 (let ((tz (car (current-time-zone time
))))
3095 (format-time-string "%Y%m%dT%H%M%S" time
)
3096 (format "%s%02d%02d"
3097 (if (> tz
0) "+" "-") (/ (abs tz
) 3600)
3098 (/ (%
(abs tz
) 3600) 60)))))
3099 ;; Do an X-Sent lapsed format.
3101 ;; If the date is seriously mangled, the timezone functions are
3102 ;; liable to bug out, so we ignore all errors.
3103 (let* ((now (current-time))
3104 (real-time (subtract-time now time
))
3105 (real-sec (and real-time
3106 (+ (* (float (car real-time
)) 65536)
3108 (sec (and real-time
(abs real-sec
)))
3118 ;; This is a bit convoluted, but basically we go
3119 ;; through the time units for years, weeks, etc,
3120 ;; and divide things to see whether that results
3121 ;; in positive answers.
3124 (if (zerop (setq num
(ffloor (/ sec
(cdr unit
)))))
3125 ;; The (remaining) seconds are too few to
3126 ;; be divided into this time unit.
3128 ;; It's big enough, so we output it.
3129 (setq sec
(- sec
(* num
(cdr unit
))))
3131 (concat (if prev
", " "") (int-to-string
3133 " " (symbol-name (car unit
))
3134 (if (> num
1) "s" ""))
3136 article-time-units
"")
3137 ;; If dates are odd, then it might appear like the
3138 ;; article was sent in the future.
3141 " in the future"))))))
3142 ;; Display the date in proper English
3144 (let ((dtime (decode-time time
)))
3147 (number-to-string (nth 3 dtime
))
3148 (let ((digit (%
(nth 3 dtime
) 10)))
3150 ((memq (nth 3 dtime
) '(11 12 13)) "th")
3156 (nth (1- (nth 4 dtime
)) gnus-english-month-names
)
3158 (number-to-string (nth 5 dtime
))
3160 (format "%02d" (nth 2 dtime
))
3162 (format "%02d" (nth 1 dtime
)))))))
3164 (format "Date: %s (from Gnus)" date
))))
3166 (defun article-date-local (&optional highlight
)
3167 "Convert the current article date to the local timezone."
3168 (interactive (list t
))
3169 (article-date-ut 'local highlight
))
3171 (defun article-date-english (&optional highlight
)
3172 "Convert the current article date to something that is proper English."
3173 (interactive (list t
))
3174 (article-date-ut 'english highlight
))
3176 (defun article-date-original (&optional highlight
)
3177 "Convert the current article date to what it was originally.
3178 This is only useful if you have used some other date conversion
3179 function and want to see what the date was before converting."
3180 (interactive (list t
))
3181 (article-date-ut 'original highlight
))
3183 (defun article-date-lapsed (&optional highlight
)
3184 "Convert the current article date to time lapsed since it was sent."
3185 (interactive (list t
))
3186 (article-date-ut 'lapsed highlight
))
3188 (defun article-update-date-lapsed ()
3189 "Function to be run from a timer to update the lapsed time line."
3191 (let (deactivate-mark)
3196 (set-buffer (window-buffer w
))
3197 (when (eq major-mode
'gnus-article-mode
)
3198 (let ((mark (point-marker)))
3199 (goto-char (point-min))
3200 (when (re-search-forward "^X-Sent:" nil t
)
3201 (article-date-lapsed t
))
3202 (goto-char (marker-position mark
))
3203 (move-marker mark nil
))))
3206 (defun gnus-start-date-timer (&optional n
)
3207 "Start a timer to update the X-Sent header in the article buffers.
3208 The numerical prefix says how frequently (in seconds) the function
3213 (gnus-stop-date-timer)
3214 (setq article-lapsed-timer
3215 (nnheader-run-at-time 1 n
'article-update-date-lapsed
)))
3217 (defun gnus-stop-date-timer ()
3218 "Stop the X-Sent timer."
3220 (when article-lapsed-timer
3221 (nnheader-cancel-timer article-lapsed-timer
)
3222 (setq article-lapsed-timer nil
)))
3224 (defun article-date-user (&optional highlight
)
3225 "Convert the current article date to the user-defined format.
3226 This format is defined by the `gnus-article-time-format' variable."
3227 (interactive (list t
))
3228 (article-date-ut 'user highlight
))
3230 (defun article-date-iso8601 (&optional highlight
)
3231 "Convert the current article date to ISO8601."
3232 (interactive (list t
))
3233 (article-date-ut 'iso8601 highlight
))
3235 (defmacro gnus-article-save-original-date
(&rest forms
)
3236 "Save the original date as a text property and evaluate FORMS."
3237 `(let* ((case-fold-search t
)
3239 (goto-char (point-min))
3240 (when (and (re-search-forward "^date:[\t\n ]+" nil t
)
3243 (date (when (and start
3244 (re-search-forward "[\t ]*\n\\([^\t ]\\|\\'\\)"
3246 (buffer-substring-no-properties start
3247 (match-beginning 0)))))
3248 (goto-char (point-max))
3249 (skip-chars-backward "\n")
3250 (put-text-property (point-min) (point) 'original-date date
)
3252 (goto-char (point-max))
3253 (skip-chars-backward "\n")
3254 (put-text-property (point-min) (point) 'original-date date
)))
3256 ;; (defun article-show-all ()
3257 ;; "Show all hidden text in the article buffer."
3260 ;; (let ((inhibit-read-only t))
3261 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3263 (defun article-remove-leading-whitespace ()
3264 "Remove excessive whitespace from all headers."
3268 (let ((inhibit-read-only t
))
3269 (article-narrow-to-head)
3270 (goto-char (point-min))
3271 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t
)
3272 (delete-region (match-beginning 1) (match-end 1)))))))
3274 (defun article-emphasize (&optional arg
)
3275 "Emphasize text according to `gnus-emphasis-alist'."
3276 (interactive (gnus-article-hidden-arg))
3277 (unless (gnus-article-check-hidden-text 'emphasis arg
)
3281 (with-current-buffer gnus-summary-buffer
3282 gnus-article-emphasis-alist
)
3284 gnus-emphasis-alist
))
3285 (inhibit-read-only t
)
3286 (props (append '(article-type emphasis
)
3287 gnus-hidden-properties
))
3288 regexp elem beg invisible visible face
)
3291 (while (setq elem
(pop alist
))
3293 (setq regexp
(car elem
)
3294 invisible
(nth 1 elem
)
3295 visible
(nth 2 elem
)
3297 (while (re-search-forward regexp nil t
)
3298 (when (and (match-beginning visible
) (match-beginning invisible
))
3299 (gnus-article-hide-text
3300 (match-beginning invisible
) (match-end invisible
) props
)
3301 (gnus-article-unhide-text-type
3302 (match-beginning visible
) (match-end visible
) 'emphasis
)
3303 (gnus-put-overlay-excluding-newlines
3304 (match-beginning visible
) (match-end visible
) 'face face
)
3305 (gnus-add-wash-type 'emphasis
)
3306 (goto-char (match-end invisible
)))))))))
3308 (defun gnus-article-setup-highlight-words (&optional highlight-words
)
3309 "Setup newsgroup emphasis alist."
3310 (unless gnus-article-emphasis-alist
3311 (let ((name (and gnus-newsgroup-name
3312 (gnus-group-real-name gnus-newsgroup-name
))))
3313 (make-local-variable 'gnus-article-emphasis-alist
)
3314 (setq gnus-article-emphasis-alist
3316 (let ((alist gnus-group-highlight-words-alist
) elem highlight
)
3317 (while (setq elem
(pop alist
))
3318 (when (and name
(string-match (car elem
) name
))
3320 highlight
(copy-sequence (cdr elem
)))))
3322 (copy-sequence highlight-words
)
3323 (if gnus-newsgroup-name
3324 (copy-sequence (gnus-group-find-parameter
3325 gnus-newsgroup-name
'highlight-words t
)))
3326 gnus-emphasis-alist
)))))
3329 (defvar gnus-summary-article-menu
)
3330 (defvar gnus-summary-post-menu
))
3332 ;;; Saving functions.
3334 (defun gnus-article-save (save-buffer file
&optional num
)
3335 "Save the currently selected article."
3336 (when (or (get gnus-default-article-saver
:headers
)
3337 (not gnus-save-all-headers
))
3338 ;; Remove headers according to `gnus-saved-headers' or the value
3339 ;; of the `:headers' property that the saver function might have.
3340 (let ((gnus-visible-headers
3341 (or (symbol-value (get gnus-default-article-saver
:headers
))
3342 gnus-saved-headers gnus-visible-headers
))
3343 (gnus-article-buffer save-buffer
))
3345 (set-buffer save-buffer
)
3346 (article-hide-headers 1 t
))))
3347 (save-window-excursion
3348 (if (not gnus-default-article-saver
)
3349 (error "No default saver is defined")
3350 ;; !!! Magic! The saving functions all save
3351 ;; `gnus-save-article-buffer' (or so they think), but we
3352 ;; bind that variable to our save-buffer.
3353 (set-buffer gnus-article-buffer
)
3354 (let* ((gnus-save-article-buffer save-buffer
)
3357 ((not gnus-prompt-before-saving
) 'default
)
3358 ((eq gnus-prompt-before-saving
'always
) nil
)
3360 (gnus-number-of-articles-to-be-saved
3361 (when (eq gnus-prompt-before-saving t
)
3363 (set-buffer gnus-article-current-summary
)
3364 (funcall gnus-default-article-saver filename
)))))
3366 (defun gnus-read-save-file-name (prompt &optional filename
3367 function group headers variable
3370 (funcall function group headers
(symbol-value variable
)))
3375 ((eq filename
'default
)
3381 (when (symbol-value dir-var
)
3382 (setq default-name
(expand-file-name
3383 (file-name-nondirectory default-name
)
3384 (symbol-value dir-var
))))
3385 (let* ((split-name (gnus-get-split-value gnus-split-methods
))
3388 (if (and gnus-number-of-articles-to-be-saved
3389 (> gnus-number-of-articles-to-be-saved
1))
3390 (format "these %d articles"
3391 gnus-number-of-articles-to-be-saved
)
3394 ;; Let the split methods have their say.
3396 ;; No split name was found.
3399 (concat prompt
" (default "
3400 (file-name-nondirectory default-name
) "): ")
3401 (file-name-directory default-name
)
3403 ;; A single group name is returned.
3404 ((stringp split-name
)
3406 (funcall function split-name headers
3407 (symbol-value variable
)))
3409 (concat prompt
" (default "
3410 (file-name-nondirectory default-name
) "): ")
3411 (file-name-directory default-name
)
3413 ;; A single split name was found
3414 ((= 1 (length split-name
))
3415 (let* ((name (expand-file-name
3417 gnus-article-save-directory
))
3418 (dir (cond ((file-directory-p name
)
3419 (file-name-as-directory name
))
3420 ((file-exists-p name
) name
)
3421 (t gnus-article-save-directory
))))
3423 (concat prompt
" (default " name
"): ")
3425 ;; A list of splits was found.
3427 (setq split-name
(nreverse split-name
))
3429 (let ((file-name-history
3430 (nconc split-name file-name-history
)))
3434 (concat prompt
" (`M-p' for defaults): ")
3435 gnus-article-save-directory
3437 gnus-article-save-directory
)))
3438 (car (push result file-name-history
)))))))
3439 ;; Create the directory.
3440 (gnus-make-directory (file-name-directory file
))
3441 ;; If we have read a directory, we append the default file name.
3442 (when (file-directory-p file
)
3443 (setq file
(expand-file-name (file-name-nondirectory
3445 (file-name-as-directory file
))))
3446 ;; Possibly translate some characters.
3447 (nnheader-translate-file-chars file
))))))
3448 (gnus-make-directory (file-name-directory result
))
3450 (set variable result
))
3452 (set dir-var
(file-name-directory result
)))
3455 (defun gnus-article-archive-name (group)
3456 "Return the first instance of an \"Archive-name\" in the current buffer."
3457 (let ((case-fold-search t
))
3458 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t
)
3459 (nnheader-concat gnus-article-save-directory
3460 (match-string 1)))))
3462 (defun gnus-article-nndoc-name (group)
3463 "If GROUP is an nndoc group, return the name of the parent group."
3464 (when (eq (car (gnus-find-method-for-group group
)) 'nndoc
)
3465 (gnus-group-get-parameter group
'save-article-group
)))
3467 (defun gnus-summary-save-in-rmail (&optional filename
)
3468 "Append this article to Rmail file.
3469 Optional argument FILENAME specifies file name.
3470 Directory to save to is default to `gnus-article-save-directory'."
3471 (setq filename
(gnus-read-save-file-name
3472 "Save %s in rmail file" filename
3473 gnus-rmail-save-name gnus-newsgroup-name
3474 gnus-current-headers
'gnus-newsgroup-last-rmail
))
3475 (gnus-eval-in-buffer-window gnus-save-article-buffer
3479 (gnus-output-to-rmail filename
))))
3482 (defun gnus-summary-save-in-mail (&optional filename
)
3483 "Append this article to Unix mail file.
3484 Optional argument FILENAME specifies file name.
3485 Directory to save to is default to `gnus-article-save-directory'."
3486 (setq filename
(gnus-read-save-file-name
3487 "Save %s in Unix mail file" filename
3488 gnus-mail-save-name gnus-newsgroup-name
3489 gnus-current-headers
'gnus-newsgroup-last-mail
))
3490 (gnus-eval-in-buffer-window gnus-save-article-buffer
3494 (if (and (file-readable-p filename
)
3495 (file-regular-p filename
)
3496 (mail-file-babyl-p filename
))
3497 (rmail-output-to-rmail-file filename t
)
3498 (gnus-output-to-mail filename
)))))
3501 (put 'gnus-summary-save-in-file
:decode t
)
3502 (put 'gnus-summary-save-in-file
:headers
'gnus-saved-headers
)
3503 (defun gnus-summary-save-in-file (&optional filename overwrite
)
3504 "Append this article to file.
3505 Optional argument FILENAME specifies file name.
3506 Directory to save to is default to `gnus-article-save-directory'."
3507 (setq filename
(gnus-read-save-file-name
3508 "Save %s in file" filename
3509 gnus-file-save-name gnus-newsgroup-name
3510 gnus-current-headers
'gnus-newsgroup-last-file
))
3511 (gnus-eval-in-buffer-window gnus-save-article-buffer
3515 (when (and overwrite
3516 (file-exists-p filename
))
3517 (delete-file filename
))
3518 (gnus-output-to-file filename
))))
3521 (put 'gnus-summary-write-to-file
:decode t
)
3522 (put 'gnus-summary-write-to-file
:function
'gnus-summary-save-in-file
)
3523 (put 'gnus-summary-write-to-file
:headers
'gnus-saved-headers
)
3524 (defun gnus-summary-write-to-file (&optional filename
)
3525 "Write this article to a file, overwriting it if the file exists.
3526 Optional argument FILENAME specifies file name.
3527 The directory to save in defaults to `gnus-article-save-directory'."
3528 (setq filename
(gnus-read-save-file-name
3529 "Save %s in file" filename
3530 gnus-file-save-name gnus-newsgroup-name
3531 gnus-current-headers nil
'gnus-newsgroup-last-directory
))
3532 (gnus-summary-save-in-file filename t
))
3534 (put 'gnus-summary-save-body-in-file
:decode t
)
3535 (defun gnus-summary-save-body-in-file (&optional filename overwrite
)
3536 "Append this article body to a file.
3537 Optional argument FILENAME specifies file name.
3538 The directory to save in defaults to `gnus-article-save-directory'."
3539 (setq filename
(gnus-read-save-file-name
3540 "Save %s body in file" filename
3541 gnus-file-save-name gnus-newsgroup-name
3542 gnus-current-headers
'gnus-newsgroup-last-file
))
3543 (gnus-eval-in-buffer-window gnus-save-article-buffer
3547 (when (article-goto-body)
3548 (narrow-to-region (point) (point-max)))
3549 (when (and overwrite
3550 (file-exists-p filename
))
3551 (delete-file filename
))
3552 (gnus-output-to-file filename
))))
3555 (put 'gnus-summary-write-body-to-file
:decode t
)
3556 (put 'gnus-summary-write-body-to-file
3557 :function
'gnus-summary-save-body-in-file
)
3558 (defun gnus-summary-write-body-to-file (&optional filename
)
3559 "Write this article body to a file, overwriting it if the file exists.
3560 Optional argument FILENAME specifies file name.
3561 The directory to save in defaults to `gnus-article-save-directory'."
3562 (setq filename
(gnus-read-save-file-name
3563 "Save %s body in file" filename
3564 gnus-file-save-name gnus-newsgroup-name
3565 gnus-current-headers nil
'gnus-newsgroup-last-directory
))
3566 (gnus-summary-save-body-in-file filename t
))
3568 (defun gnus-summary-save-in-pipe (&optional command
)
3569 "Pipe this article to subprocess."
3571 (cond ((and (eq command
'default
)
3572 gnus-last-shell-command
)
3573 gnus-last-shell-command
)
3578 "Shell command on %s: "
3579 (if (and gnus-number-of-articles-to-be-saved
3580 (> gnus-number-of-articles-to-be-saved
1))
3581 (format "these %d articles"
3582 gnus-number-of-articles-to-be-saved
)
3584 gnus-last-shell-command
))))
3585 (when (string-equal command
"")
3586 (if gnus-last-shell-command
3587 (setq command gnus-last-shell-command
)
3588 (error "A command is required")))
3589 (gnus-eval-in-buffer-window gnus-article-buffer
3592 (shell-command-on-region (point-min) (point-max) command nil
)))
3593 (setq gnus-last-shell-command command
))
3595 (defmacro gnus-read-string
(prompt &optional initial-contents history
3597 "Like `read-string' but allow for older XEmacsen that don't have the 5th arg."
3598 (if (and (featurep 'xemacs
)
3599 (< emacs-minor-version
2))
3600 `(read-string ,prompt
,initial-contents
,history
)
3601 `(read-string ,prompt
,initial-contents
,history
,default-value
)))
3603 (defun gnus-summary-pipe-to-muttprint (&optional command
)
3604 "Pipe this article to muttprint."
3605 (setq command
(gnus-read-string
3606 "Print using command: " gnus-summary-muttprint-program
3607 nil gnus-summary-muttprint-program
))
3608 (gnus-summary-save-in-pipe command
))
3610 ;;; Article file names when saving.
3612 (defun gnus-capitalize-newsgroup (newsgroup)
3613 "Capitalize NEWSGROUP name."
3614 (when (not (zerop (length newsgroup
)))
3615 (concat (char-to-string (upcase (aref newsgroup
0)))
3616 (substring newsgroup
1))))
3618 (defun gnus-Numeric-save-name (newsgroup headers
&optional last-file
)
3619 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3620 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3621 Otherwise, it is like ~/News/news/group/num."
3624 (concat (if (gnus-use-long-file-name 'not-save
)
3625 (gnus-capitalize-newsgroup newsgroup
)
3626 (gnus-newsgroup-directory-form newsgroup
))
3627 "/" (int-to-string (mail-header-number headers
)))
3628 gnus-article-save-directory
)))
3630 (string-equal (file-name-directory default
)
3631 (file-name-directory last-file
))
3632 (string-match "^[0-9]+$" (file-name-nondirectory last-file
)))
3634 (or last-file default
))))
3636 (defun gnus-numeric-save-name (newsgroup headers
&optional last-file
)
3637 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3638 If variable `gnus-use-long-file-name' is non-nil, it is
3639 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3642 (concat (if (gnus-use-long-file-name 'not-save
)
3644 (gnus-newsgroup-directory-form newsgroup
))
3645 "/" (int-to-string (mail-header-number headers
)))
3646 gnus-article-save-directory
)))
3648 (string-equal (file-name-directory default
)
3649 (file-name-directory last-file
))
3650 (string-match "^[0-9]+$" (file-name-nondirectory last-file
)))
3652 (or last-file default
))))
3654 (defun gnus-plain-save-name (newsgroup headers
&optional last-file
)
3655 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3656 If variable `gnus-use-long-file-name' is non-nil, it is
3657 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3660 (if (gnus-use-long-file-name 'not-save
)
3663 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup
))
3665 gnus-article-save-directory
)))
3667 (defun gnus-sender-save-name (newsgroup headers
&optional last-file
)
3668 "Generate file name from sender."
3669 (let ((from (mail-header-from headers
)))
3671 (if (and from
(string-match "\\([^ <]+\\)@" from
))
3672 (match-string 1 from
)
3674 gnus-article-save-directory
)))
3676 (defun article-verify-x-pgp-sig ()
3679 (if (gnus-buffer-live-p gnus-original-article-buffer
)
3680 (let ((sig (with-current-buffer gnus-original-article-buffer
3681 (gnus-fetch-field "X-PGP-Sig")))
3685 (mml2015-clear-verify-function))
3687 (insert-buffer-substring gnus-original-article-buffer
)
3688 (setq items
(split-string sig
))
3689 (message-narrow-to-head)
3690 (let ((inhibit-point-motion-hooks t
)
3691 (case-fold-search t
))
3692 ;; Don't verify multiple headers.
3693 (setq headers
(mapconcat (lambda (header)
3695 (mail-fetch-field header
)
3697 (split-string (nth 1 items
) ",") "")))
3698 (delete-region (point-min) (point-max))
3699 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3700 (insert "X-Signed-Headers: " (nth 1 items
) "\n")
3705 (if (looking-at "^-")
3708 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3709 (insert "Version: " (car items
) "\n\n")
3710 (insert (mapconcat 'identity
(cddr items
) "\n"))
3711 (insert "\n-----END PGP SIGNATURE-----\n")
3712 (let ((mm-security-handle (list (format "multipart/signed"))))
3713 (mml2015-clean-buffer)
3714 (let ((coding-system-for-write (or gnus-newsgroup-charset
3716 (funcall (mml2015-clear-verify-function)))
3718 (or (mm-handle-multipart-ctl-parameter
3719 mm-security-handle
'gnus-details
)
3720 (mm-handle-multipart-ctl-parameter
3721 mm-security-handle
'gnus-info
)))))
3723 (let ((inhibit-read-only t
) bface eface
)
3725 (message-narrow-to-head)
3726 (goto-char (point-max))
3728 (setq bface
(get-text-property (gnus-point-at-bol) 'face
)
3729 eface
(get-text-property (1- (gnus-point-at-eol)) 'face
))
3730 (message-remove-header "X-Gnus-PGP-Verify")
3731 (if (re-search-forward "^X-PGP-Sig:" nil t
)
3733 (goto-char (point-max)))
3734 (narrow-to-region (point) (point))
3735 (insert "X-Gnus-PGP-Verify: " info
"\n")
3736 (goto-char (point-min))
3739 (if (not (looking-at "^[ \t]"))
3743 (goto-char (point-min))
3744 (when (looking-at "\\([^:]+\\): *")
3745 (put-text-property (match-beginning 1) (1+ (match-end 1))
3747 (put-text-property (match-end 0) (point-max)
3748 'face eface
)))))))))
3750 (defun article-verify-cancel-lock ()
3751 "Verify Cancel-Lock header."
3753 (if (gnus-buffer-live-p gnus-original-article-buffer
)
3754 (canlock-verify gnus-original-article-buffer
)))
3761 (setq afunc
(car func
)
3764 gfunc
(intern (format "gnus-%s" func
))))
3766 (when (fboundp afunc
)
3767 `(lambda (&optional interactive
&rest args
)
3768 ,(documentation afunc t
)
3769 (interactive (list t
))
3771 (set-buffer gnus-article-buffer
)
3773 (call-interactively ',afunc
)
3774 (apply ',afunc args
))))))))
3775 '(article-hide-headers
3776 article-verify-x-pgp-sig
3777 article-verify-cancel-lock
3778 article-hide-boring-headers
3779 article-treat-overstrike
3780 article-fill-long-lines
3781 article-capitalize-sentences
3783 article-remove-leading-whitespace
3784 article-display-x-face
3785 article-display-face
3786 article-de-quoted-unreadable
3787 article-de-base64-unreadable
3790 article-unsplit-urls
3791 article-hide-list-identifiers
3792 article-strip-banner
3795 article-hide-signature
3796 article-strip-headers-in-body
3797 article-remove-trailing-blank-lines
3798 article-strip-leading-blank-lines
3799 article-strip-multiple-blank-lines
3800 article-strip-leading-space
3801 article-strip-trailing-space
3802 article-strip-blank-lines
3803 article-strip-all-blank-lines
3805 article-date-english
3806 article-date-iso8601
3807 article-date-original
3809 article-decode-mime-words
3810 article-decode-charset
3811 article-decode-encoded-words
3815 article-treat-dumbquotes
3816 article-normalize-headers
3817 ;; (article-show-all . gnus-article-show-all-headers)
3821 ;;; Gnus article mode
3824 (put 'gnus-article-mode
'mode-class
'special
)
3826 (set-keymap-parent gnus-article-mode-map widget-keymap
)
3828 (gnus-define-keys gnus-article-mode-map
3829 " " gnus-article-goto-next-page
3830 "\177" gnus-article-goto-prev-page
3831 [delete] gnus-article-goto-prev-page
3832 [backspace] gnus-article-goto-prev-page
3833 "\C-c^" gnus-article-refer-article
3834 "h" gnus-article-show-summary
3835 "s" gnus-article-show-summary
3836 "\C-c\C-m" gnus-article-mail
3837 "?" gnus-article-describe-briefly
3838 "e" gnus-summary-edit-article
3839 "<" beginning-of-buffer
3841 "\C-c\C-i" gnus-info-find-node
3843 "R" gnus-article-reply-with-original
3844 "F" gnus-article-followup-with-original
3845 "\C-hk" gnus-article-describe-key
3846 "\C-hc" gnus-article-describe-key-briefly
3848 "\C-d" gnus-article-read-summary-keys
3849 "\M-*" gnus-article-read-summary-keys
3850 "\M-#" gnus-article-read-summary-keys
3851 "\M-^" gnus-article-read-summary-keys
3852 "\M-g" gnus-article-read-summary-keys)
3854 (substitute-key-definition
3855 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3857 (defun gnus-article-make-menu-bar ()
3858 (unless (boundp 'gnus-article-commands-menu)
3859 (gnus-summary-make-menu-bar))
3860 (gnus-turn-off-edit-menu 'article)
3861 (unless (boundp 'gnus-article-article-menu)
3863 gnus-article-article-menu gnus-article-mode-map ""
3865 ["Scroll forwards" gnus-article-goto-next-page t]
3866 ["Scroll backwards" gnus-article-goto-prev-page t]
3867 ["Show summary" gnus-article-show-summary t]
3868 ["Fetch Message-ID at point" gnus-article-refer-article t]
3869 ["Mail to address at point" gnus-article-mail t]
3870 ["Send a bug report" gnus-bug t]))
3873 gnus-article-treatment-menu gnus-article-mode-map ""
3874 ;; Fixme: this should use :active (and maybe :visible).
3876 ["Hide headers" gnus-article-hide-headers t]
3877 ["Hide signature" gnus-article-hide-signature t]
3878 ["Hide citation" gnus-article-hide-citation t]
3879 ["Treat overstrike" gnus-article-treat-overstrike t]
3880 ["Remove carriage return" gnus-article-remove-cr t]
3881 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3882 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3883 ["Remove base64" gnus-article-de-base64-unreadable t]
3884 ["Treat html" gnus-article-wash-html t]
3885 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3886 ["Decode HZ" gnus-article-decode-HZ t]))
3888 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3890 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3892 (gnus-run-hooks 'gnus-article-menu-hook)))
3894 (defun gnus-article-mode ()
3895 "Major mode for displaying an article.
3897 All normal editing commands are switched off.
3899 The following commands are available in addition to all summary mode
3901 \\<gnus-article-mode-map>
3902 \\[gnus-article-next-page]\t Scroll the article one page forwards
3903 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3904 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3905 \\[gnus-article-show-summary]\t Display the summary buffer
3906 \\[gnus-article-mail]\t Send a reply to the address near point
3907 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3908 \\[gnus-info-find-node]\t Go to the Gnus info node"
3910 (kill-all-local-variables)
3911 (gnus-simplify-mode-line)
3912 (setq mode-name "Article")
3913 (setq major-mode 'gnus-article-mode)
3914 (make-local-variable 'minor-mode-alist)
3915 (use-local-map gnus-article-mode-map)
3916 (when (gnus-visual-p 'article-menu 'menu)
3917 (gnus-article-make-menu-bar)
3918 (when gnus-summary-tool-bar-map
3919 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3920 (gnus-update-format-specifications nil 'article-mode)
3921 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3922 (set (make-local-variable 'gnus-page-broken) nil)
3923 (make-local-variable 'gnus-button-marker-list)
3924 (make-local-variable 'gnus-article-current-summary)
3925 (make-local-variable 'gnus-article-mime-handles)
3926 (make-local-variable 'gnus-article-decoded-p)
3927 (make-local-variable 'gnus-article-mime-handle-alist)
3928 (make-local-variable 'gnus-article-wash-types)
3929 (make-local-variable 'gnus-article-image-alist)
3930 (make-local-variable 'gnus-article-charset)
3931 (make-local-variable 'gnus-article-ignored-charsets)
3932 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3933 (set (make-local-variable 'nobreak-char-display) nil)
3934 (setq cursor-in-non-selected-windows nil)
3935 (gnus-set-default-directory)
3936 (buffer-disable-undo)
3937 (setq buffer-read-only t)
3938 (set-syntax-table gnus-article-mode-syntax-table)
3939 (mm-enable-multibyte)
3940 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3942 (defun gnus-article-setup-buffer ()
3943 "Initialize the article buffer."
3944 (let* ((name (if gnus-single-article-buffer "*Article*"
3945 (concat "*Article " gnus-newsgroup-name "*")))
3947 (progn (string-match "\\*Article" name)
3948 (concat " *Original Article"
3949 (substring name (match-end 0))))))
3950 (setq gnus-article-buffer name)
3951 (setq gnus-original-article-buffer original)
3952 (setq gnus-article-mime-handle-alist nil)
3953 ;; This might be a variable local to the summary buffer.
3954 (unless gnus-single-article-buffer
3956 (set-buffer gnus-summary-buffer)
3957 (setq gnus-article-buffer name)
3958 (setq gnus-original-article-buffer original)
3959 (gnus-set-global-variables)))
3960 (gnus-article-setup-highlight-words)
3961 ;; Init original article buffer.
3963 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3964 (mm-enable-multibyte)
3965 (setq major-mode 'gnus-original-article-mode)
3966 (make-local-variable 'gnus-original-article))
3967 (if (and (get-buffer name)
3968 (with-current-buffer name
3969 (if gnus-article-edit-mode
3970 (if (y-or-n-p "Article mode edit in progress; discard? ")
3972 (set-buffer-modified-p nil)
3973 (gnus-kill-buffer name)
3976 (error "Action aborted"))
3980 (set (make-local-variable 'gnus-article-edit-mode) nil)
3981 (when gnus-article-mime-handles
3982 (mm-destroy-parts gnus-article-mime-handles)
3983 (setq gnus-article-mime-handles nil))
3984 ;; Set it to nil in article-buffer!
3985 (setq gnus-article-mime-handle-alist nil)
3986 (buffer-disable-undo)
3987 (setq buffer-read-only t)
3988 ;; This list just keeps growing if we don't reset it.
3989 (setq gnus-button-marker-list nil)
3990 (unless (eq major-mode 'gnus-article-mode)
3991 (gnus-article-mode))
3994 (set-buffer (gnus-get-buffer-create name))
3996 (make-local-variable 'gnus-summary-buffer)
3997 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3998 (current-buffer)))))
4000 ;; Set article window start at LINE, where LINE is the number of lines
4001 ;; from the head of the article.
4002 (defun gnus-article-set-window-start (&optional line)
4004 (gnus-get-buffer-window gnus-article-buffer t)
4006 (set-buffer gnus-article-buffer)
4007 (goto-char (point-min))
4010 (gnus-message 6 "Moved to bookmark")
4011 (search-forward "\n\n" nil t)
4015 (defun gnus-article-prepare (article &optional all-headers header)
4016 "Prepare ARTICLE in article mode buffer.
4017 ARTICLE should either be an article number or a Message-ID.
4018 If ARTICLE is an id, HEADER should be the article headers.
4019 If ALL-HEADERS is non-nil, no headers are hidden."
4021 ;; Make sure we start in a summary buffer.
4022 (unless (eq major-mode 'gnus-summary-mode)
4023 (set-buffer gnus-summary-buffer))
4024 (setq gnus-summary-buffer (current-buffer))
4025 (let* ((gnus-article (if header (mail-header-number header) article))
4026 (summary-buffer (current-buffer))
4027 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4028 (group gnus-newsgroup-name)
4031 (gnus-article-setup-buffer)
4032 (set-buffer gnus-article-buffer)
4033 ;; Deactivate active regions.
4034 (when (and (boundp 'transient-mark-mode)
4035 transient-mark-mode)
4036 (setq mark-active nil))
4037 (if (not (setq result (let ((inhibit-read-only t))
4038 (gnus-request-article-this-buffer
4040 ;; There is no such article.
4042 (when (and (numberp article)
4043 (not (memq article gnus-newsgroup-sparse)))
4044 (setq gnus-article-current
4045 (cons gnus-newsgroup-name article))
4046 (set-buffer gnus-summary-buffer)
4047 (setq gnus-current-article article)
4048 (if (and (memq article gnus-newsgroup-undownloaded)
4049 (not (gnus-online (gnus-find-method-for-group
4050 gnus-newsgroup-name))))
4052 (gnus-summary-set-agent-mark article)
4053 (message "Message marked for downloading"))
4054 (gnus-summary-mark-article article gnus-canceled-mark)
4055 (unless (memq article gnus-newsgroup-sparse)
4056 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4057 (if (or (eq result 'pseudo)
4058 (eq result 'nneething))
4061 (set-buffer summary-buffer)
4062 (push article gnus-newsgroup-history)
4063 (setq gnus-last-article gnus-current-article
4064 gnus-current-article 0
4065 gnus-current-headers nil
4066 gnus-article-current nil)
4067 (if (eq result 'nneething)
4068 (gnus-configure-windows 'summary)
4069 (gnus-configure-windows 'article))
4070 (gnus-set-global-variables))
4071 (let ((gnus-article-mime-handle-alist-1
4072 gnus-article-mime-handle-alist))
4073 (gnus-set-mode-line 'article)))
4074 ;; The result from the `request' was an actual article -
4075 ;; or at least some text that is now displayed in the
4077 (when (and (numberp article)
4078 (not (eq article gnus-current-article)))
4079 ;; Seems like a new article has been selected.
4080 ;; `gnus-current-article' must be an article number.
4082 (set-buffer summary-buffer)
4083 (push article gnus-newsgroup-history)
4084 (setq gnus-last-article gnus-current-article
4085 gnus-current-article article
4086 gnus-current-headers
4087 (gnus-summary-article-header gnus-current-article)
4088 gnus-article-current
4089 (cons gnus-newsgroup-name gnus-current-article))
4090 (unless (vectorp gnus-current-headers)
4091 (setq gnus-current-headers nil))
4092 (gnus-summary-goto-subject gnus-current-article)
4093 (when (gnus-summary-show-thread)
4094 ;; If the summary buffer really was folded, the
4095 ;; previous goto may not actually have gone to
4096 ;; the right article, but the thread root instead.
4098 (gnus-summary-goto-subject gnus-current-article))
4099 (gnus-run-hooks 'gnus-mark-article-hook)
4100 (gnus-set-mode-line 'summary)
4101 (when (gnus-visual-p 'article-highlight 'highlight)
4102 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4103 ;; Set the global newsgroup variables here.
4104 (gnus-set-global-variables)
4105 (setq gnus-have-all-headers
4106 (or all-headers gnus-show-all-headers))))
4108 (gnus-configure-windows 'article))
4109 (when (or (numberp article)
4111 (gnus-article-prepare-display)
4113 (goto-char (point-min))
4114 (when gnus-break-pages
4115 (gnus-narrow-to-page)))
4116 (let ((gnus-article-mime-handle-alist-1
4117 gnus-article-mime-handle-alist))
4118 (gnus-set-mode-line 'article))
4122 (set-window-point (get-buffer-window (current-buffer)) (point))
4123 (gnus-configure-windows 'article)
4127 (defun gnus-article-prepare-display ()
4128 "Make the current buffer look like a nice article."
4129 ;; Hooks for getting information from the article.
4130 ;; This hook must be called before being narrowed.
4131 (let ((gnus-article-buffer (current-buffer))
4133 (inhibit-read-only t))
4134 (unless (eq major-mode 'gnus-article-mode)
4135 (gnus-article-mode))
4136 (setq buffer-read-only nil
4137 gnus-article-wash-types nil
4138 gnus-article-image-alist nil)
4139 (gnus-run-hooks 'gnus-tmp-internal-hook)
4140 (when gnus-display-mime-function
4141 (funcall gnus-display-mime-function))
4142 (gnus-run-hooks 'gnus-article-prepare-hook)))
4145 ;;; Gnus MIME viewing functions
4148 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4149 "Format of the MIME buttons.
4151 Valid specifiers include:
4153 %T MIME type, along with additional info
4154 %n The `name' parameter
4155 %d The description, if any
4156 %l The length of the encoded part
4157 %p The part identifier number
4158 %e Dots if the part isn't displayed
4160 General format specifiers can also be used. See Info node
4161 `(gnus)Formatting Variables'.")
4163 (defvar gnus-mime-button-line-format-alist
4164 '((?t gnus-tmp-type ?s)
4165 (?T gnus-tmp-type-long ?s)
4166 (?n gnus-tmp-name ?s)
4167 (?d gnus-tmp-description ?s)
4169 (?l gnus-tmp-length ?d)
4170 (?e gnus-tmp-dots ?s)))
4172 (defvar gnus-mime-button-commands
4173 '((gnus-article-press-button "\r" "Toggle Display")
4174 (gnus-mime-view-part "v" "View Interactively...")
4175 (gnus-mime-view-part-as-type "t" "View As Type...")
4176 (gnus-mime-view-part-as-charset "C" "View As charset...")
4177 (gnus-mime-save-part "o" "Save...")
4178 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4179 (gnus-mime-delete-part "d" "Delete part")
4180 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4181 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4182 (gnus-mime-view-part-internally "E" "View Internally")
4183 (gnus-mime-view-part-externally "e" "View Externally")
4184 (gnus-mime-print-part "p" "Print")
4185 (gnus-mime-pipe-part "|" "Pipe To Command...")
4186 (gnus-mime-action-on-part "." "Take action on the part...")))
4188 (defun gnus-article-mime-part-status ()
4189 (if gnus-article-mime-handle-alist-1
4190 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4192 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4195 (defvar gnus-mime-button-map
4196 (let ((map (make-sparse-keymap)))
4197 (unless (>= (string-to-number emacs-version) 21)
4198 ;; XEmacs doesn't care.
4199 (set-keymap-parent map gnus-article-mode-map))
4200 (define-key map gnus-mouse-2 'gnus-article-push-button)
4201 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4202 (dolist (c gnus-mime-button-commands)
4203 (define-key map (cadr c) (car c)))
4207 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4209 ,@(mapcar (lambda (c)
4210 (vector (caddr c) (car c) :enable t))
4211 gnus-mime-button-commands)))
4214 (define-compiler-macro popup-menu (&whole form
4215 menu &optional position prefix)
4216 (if (and (fboundp 'popup-menu)
4217 (not (memq 'popup-menu (assoc "lmenu" load-history))))
4219 ;; Gnus is probably running under Emacs 20.
4220 `(let* ((menu (cdr ,menu))
4221 (response (x-popup-menu
4223 (cons "" (mapcar (lambda (c)
4224 (cons (caddr c) (car c)))
4227 (call-interactively (nth 3 (assq response menu))))))))
4229 (defun gnus-mime-button-menu (event prefix)
4230 "Construct a context-sensitive menu of MIME commands."
4231 (interactive "e\nP")
4232 (save-window-excursion
4233 (let ((pos (event-start event)))
4234 (select-window (posn-window pos))
4235 (goto-char (posn-point pos))
4236 (gnus-article-check-buffer)
4237 (popup-menu gnus-mime-button-menu nil prefix))))
4239 (defun gnus-mime-view-all-parts (&optional handles)
4240 "View all the MIME parts."
4242 (save-current-buffer
4243 (set-buffer gnus-article-buffer)
4244 (let ((handles (or handles gnus-article-mime-handles))
4245 (mail-parse-charset gnus-newsgroup-charset)
4246 (mail-parse-ignored-charsets
4247 (with-current-buffer gnus-summary-buffer
4248 gnus-newsgroup-ignored-charsets)))
4250 (mm-remove-parts handles)
4251 (goto-char (point-min))
4252 (or (search-forward "\n\n") (goto-char (point-max)))
4253 (let ((inhibit-read-only t))
4254 (delete-region (point) (point-max))
4255 (mm-display-parts handles))))))
4257 (defun gnus-mime-save-part-and-strip ()
4258 "Save the MIME part under point then replace it with an external body."
4260 (gnus-article-check-buffer)
4261 (when (gnus-group-read-only-p)
4262 (error "The current group does not support deleting of parts"))
4263 (when (mm-complicated-handles gnus-article-mime-handles)
4265 The current article has a complicated MIME structure, giving up..."))
4266 (when (gnus-yes-or-no-p "\
4267 Deleting parts may malfunction or destroy the article; continue? ")
4268 (let* ((data (get-text-property (point) 'gnus-data))
4270 (handles gnus-article-mime-handles))
4271 (setq file (and data (mm-save-part data)))
4273 (with-current-buffer (mm-handle-buffer data)
4275 (insert "Content-Type: " (mm-handle-media-type data))
4276 (mml-insert-parameter-string (cdr (mm-handle-type data))
4278 ;; Add a filename for the sake of saving the part again.
4279 (mml-insert-parameter
4280 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4282 (insert "Content-ID: " (message-make-message-id) "\n")
4283 (insert "Content-Transfer-Encoding: binary\n")
4286 (cdr (mm-make-handle nil
4287 `("message/external-body"
4288 (access-type . "LOCAL-FILE")
4290 (set-buffer gnus-summary-buffer)
4291 (gnus-article-edit-article
4294 (let ((mail-parse-charset (or gnus-article-charset
4295 ',gnus-newsgroup-charset))
4296 (mail-parse-ignored-charsets
4297 (or gnus-article-ignored-charsets
4298 ',gnus-newsgroup-ignored-charsets))
4299 (mbl mml-buffer-list))
4300 (setq mml-buffer-list nil)
4301 (insert-buffer-substring gnus-original-article-buffer)
4302 (mime-to-mml ',handles)
4303 (setq gnus-article-mime-handles nil)
4304 (let ((mbl1 mml-buffer-list))
4305 (setq mml-buffer-list mbl)
4306 (set (make-local-variable 'mml-buffer-list) mbl1))
4307 (gnus-make-local-hook 'kill-buffer-hook)
4308 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4309 `(lambda (no-highlight)
4310 (let ((mail-parse-charset (or gnus-article-charset
4311 ',gnus-newsgroup-charset))
4312 (message-options message-options)
4313 (message-options-set-recipient)
4314 (mail-parse-ignored-charsets
4315 (or gnus-article-ignored-charsets
4316 ',gnus-newsgroup-ignored-charsets)))
4318 (mml-destroy-buffers)
4319 (remove-hook 'kill-buffer-hook
4320 'mml-destroy-buffers t)
4321 (kill-local-variable 'mml-buffer-list))
4322 (gnus-summary-edit-article-done
4323 ,(or (mail-header-references gnus-current-headers) "")
4324 ,(gnus-group-read-only-p)
4325 ,gnus-summary-buffer no-highlight)))))))
4327 (defun gnus-mime-delete-part ()
4328 "Delete the MIME part under point.
4329 Replace it with some information about the removed part."
4331 (gnus-article-check-buffer)
4332 (when (gnus-group-read-only-p)
4333 (error "The current group does not support deleting of parts"))
4334 (when (mm-complicated-handles gnus-article-mime-handles)
4336 The current article has a complicated MIME structure, giving up..."))
4337 (when (gnus-yes-or-no-p "\
4338 Deleting parts may malfunction or destroy the article; continue? ")
4339 (let* ((data (get-text-property (point) 'gnus-data))
4340 (handles gnus-article-mime-handles)
4343 (mail-decode-encoded-word-string (or (mm-handle-description data)
4346 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4348 (type (mm-handle-media-type data)))
4350 (error "No MIME part under point"))
4351 (with-current-buffer (mm-handle-buffer data)
4352 (let ((bsize (format "%s" (buffer-size))))
4357 "| The following attachment has been deleted:\n"
4359 "| Type: " type "\n"
4360 "| Filename: " filename "\n"
4361 "| Size (encoded): " bsize " Byte\n"
4362 "| Description: " description "\n"
4365 (cdr (mm-make-handle
4366 nil `("text/plain") nil nil
4368 (format "Deleted attachment (%s bytes)" bsize))))))
4369 (set-buffer gnus-summary-buffer)
4370 ;; FIXME: maybe some of the following code (borrowed from
4371 ;; `gnus-mime-save-part-and-strip') isn't necessary?
4372 (gnus-article-edit-article
4375 (let ((mail-parse-charset (or gnus-article-charset
4376 ',gnus-newsgroup-charset))
4377 (mail-parse-ignored-charsets
4378 (or gnus-article-ignored-charsets
4379 ',gnus-newsgroup-ignored-charsets))
4380 (mbl mml-buffer-list))
4381 (setq mml-buffer-list nil)
4382 (insert-buffer-substring gnus-original-article-buffer)
4383 (mime-to-mml ',handles)
4384 (setq gnus-article-mime-handles nil)
4385 (let ((mbl1 mml-buffer-list))
4386 (setq mml-buffer-list mbl)
4387 (set (make-local-variable 'mml-buffer-list) mbl1))
4388 (gnus-make-local-hook 'kill-buffer-hook)
4389 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4390 `(lambda (no-highlight)
4391 (let ((mail-parse-charset (or gnus-article-charset
4392 ',gnus-newsgroup-charset))
4393 (message-options message-options)
4394 (message-options-set-recipient)
4395 (mail-parse-ignored-charsets
4396 (or gnus-article-ignored-charsets
4397 ',gnus-newsgroup-ignored-charsets)))
4399 (mml-destroy-buffers)
4400 (remove-hook 'kill-buffer-hook
4401 'mml-destroy-buffers t)
4402 (kill-local-variable 'mml-buffer-list))
4403 (gnus-summary-edit-article-done
4404 ,(or (mail-header-references gnus-current-headers) "")
4405 ,(gnus-group-read-only-p)
4406 ,gnus-summary-buffer no-highlight)))))
4407 ;; Not in `gnus-mime-save-part-and-strip':
4408 (gnus-article-edit-done)
4409 (gnus-summary-expand-window)
4410 (gnus-summary-show-article))
4412 (defun gnus-mime-save-part ()
4413 "Save the MIME part under point."
4415 (gnus-article-check-buffer)
4416 (let ((data (get-text-property (point) 'gnus-data)))
4418 (mm-save-part data))))
4420 (defun gnus-mime-pipe-part ()
4421 "Pipe the MIME part under point to a process."
4423 (gnus-article-check-buffer)
4424 (let ((data (get-text-property (point) 'gnus-data)))
4426 (mm-pipe-part data))))
4428 (defun gnus-mime-view-part ()
4429 "Interactively choose a viewing method for the MIME part under point."
4431 (gnus-article-check-buffer)
4432 (let ((data (get-text-property (point) 'gnus-data)))
4434 (setq gnus-article-mime-handles
4436 gnus-article-mime-handles (setq data (copy-sequence data))))
4437 (mm-interactively-view-part data))))
4439 (defun gnus-mime-view-part-as-type-internal ()
4440 (gnus-article-check-buffer)
4441 (let* ((handle (get-text-property (point) 'gnus-data))
4443 ;; Content-Type: foo/bar; name=...
4444 (mail-content-type-get (mm-handle-type handle) 'name)
4445 ;; Content-Disposition: attachment; filename=...
4446 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4447 (def-type (and name (mm-default-file-encoding name))))
4448 (and def-type (cons def-type 0))))
4450 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
4451 "Choose a MIME media type, and view the part as such.
4452 If non-nil, PRED is a predicate to use during completion to limit the
4453 available media-types."
4457 (let ((default (gnus-mime-view-part-as-type-internal)))
4459 (format "View as MIME type (default %s): "
4461 (mapcar #'list (mailcap-mime-types))
4464 (gnus-article-check-buffer)
4465 (let ((handle (get-text-property (point) 'gnus-data)))
4467 (when (equal (mm-handle-media-type handle) "message/external-body")
4468 (unless (mm-handle-cache handle)
4469 (mm-extern-cache-contents handle))
4470 (setq handle (mm-handle-cache handle)))
4472 (mm-make-handle (mm-handle-buffer handle)
4473 (cons mime-type (cdr (mm-handle-type handle)))
4474 (mm-handle-encoding handle)
4475 (mm-handle-undisplayer handle)
4476 (mm-handle-disposition handle)
4477 (mm-handle-description handle)
4479 (mm-handle-id handle)))
4480 (setq gnus-article-mime-handles
4481 (mm-merge-handles gnus-article-mime-handles handle))
4482 (gnus-mm-display-part handle))))
4485 (require 'jka-compr))
4487 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4488 ;; emacs can do that itself.
4490 (defun gnus-mime-jka-compr-maybe-uncompress ()
4491 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4492 The uncompress method used is derived from `buffer-file-name'."
4493 (when (and (fboundp 'jka-compr-installed-p)
4494 (jka-compr-installed-p))
4495 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4497 (let ((basename (file-name-nondirectory buffer-file-name))
4498 (args (jka-compr-info-uncompress-args info))
4499 (prog (jka-compr-info-uncompress-program info))
4500 (message (jka-compr-info-uncompress-message info))
4501 (err-file (jka-compr-make-temp-name)))
4503 (message "%s %s..." message basename))
4505 (unless (memq (apply 'call-process-region
4506 (point-min) (point-max)
4508 t (list t err-file) nil
4510 jka-compr-acceptable-retval-list)
4511 (jka-compr-error prog args basename message err-file))
4512 (jka-compr-delete-temp-file err-file)))))))
4514 (defun gnus-mime-copy-part (&optional handle)
4515 "Put the MIME part under point into a new buffer.
4516 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4519 (gnus-article-check-buffer)
4520 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4521 (contents (and handle (mm-get-part handle)))
4523 (file-name-nondirectory
4525 (mail-content-type-get (mm-handle-type handle) 'name)
4526 (mail-content-type-get (mm-handle-disposition handle)
4529 (buffer (and base (generate-new-buffer base))))
4531 (switch-to-buffer buffer)
4533 ;; We do it this way to make `normal-mode' set the appropriate mode.
4536 (setq buffer-file-name (expand-file-name base))
4537 (gnus-mime-jka-compr-maybe-uncompress)
4539 (setq buffer-file-name nil))
4540 (goto-char (point-min)))))
4542 (defun gnus-mime-print-part (&optional handle filename)
4543 "Print the MIME part under point."
4544 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4545 (gnus-article-check-buffer)
4546 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4547 (contents (and handle (mm-get-part handle)))
4548 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4549 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4554 (mm-save-part-to-file handle file)
4555 (call-process shell-file-name nil
4556 (generate-new-buffer " *mm*")
4558 shell-command-switch
4560 printer file (mm-handle-type handle))))
4564 (gnus-print-buffer))
4565 (ps-despool filename)))))
4567 (defun gnus-mime-inline-part (&optional handle arg)
4568 "Insert the MIME part under point into the current buffer."
4569 (interactive (list nil current-prefix-arg))
4570 (gnus-article-check-buffer)
4571 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4574 (inhibit-read-only t))
4576 (if (and (not arg) (mm-handle-undisplayer handle))
4577 (mm-remove-part handle)
4578 (setq contents (mm-get-part handle))
4581 (setq charset (or (mail-content-type-get
4582 (mm-handle-type handle) 'charset)
4583 gnus-newsgroup-charset)))
4585 (if (mm-handle-undisplayer handle)
4586 (mm-remove-part handle))
4589 gnus-summary-show-article-charset-alist))
4590 (mm-read-coding-system "Charset: "))))
4592 (if (mm-handle-undisplayer handle)
4593 (mm-remove-part handle))))
4598 (setq charset (mm-charset-to-coding-system
4600 (not (eq charset 'ascii)))
4601 (mm-decode-coding-string contents charset)
4602 (mm-string-to-multibyte contents)))
4605 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4606 "Insert the MIME part under point into the current buffer using the
4608 (interactive (list nil current-prefix-arg))
4609 (gnus-article-check-buffer)
4610 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
4611 (fun (get-text-property (point) 'gnus-callback))
4612 (gnus-newsgroup-ignored-charsets 'gnus-all)
4613 gnus-newsgroup-charset type charset)
4615 (if (mm-handle-undisplayer handle)
4616 (mm-remove-part handle))
4618 (setq gnus-newsgroup-charset
4619 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
4620 (mm-read-coding-system "Charset: ")))
4621 ;; Strip the charset parameter from `handle'.
4622 (setq type (mm-handle-type
4623 (if (equal (mm-handle-media-type handle)
4624 "message/external-body")
4626 (unless (mm-handle-cache handle)
4627 (mm-extern-cache-contents handle))
4628 (mm-handle-cache handle))
4630 charset (assq 'charset (cdr type)))
4632 (funcall fun handle)))))
4634 (defun gnus-mime-view-part-externally (&optional handle)
4635 "View the MIME part under point with an external viewer."
4637 (gnus-article-check-buffer)
4638 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4639 (mm-user-display-methods nil)
4640 (mm-inlined-types nil)
4641 (mail-parse-charset gnus-newsgroup-charset)
4642 (mail-parse-ignored-charsets
4643 (with-current-buffer gnus-summary-buffer
4644 gnus-newsgroup-ignored-charsets))
4645 (type (mm-handle-media-type handle))
4646 (method (mailcap-mime-info type))
4647 (mm-enable-external t))
4648 (if (not (stringp method))
4649 (gnus-mime-view-part-as-type
4650 nil (lambda (type) (stringp (mailcap-mime-info type))))
4652 (if (mm-handle-undisplayer handle)
4653 (mm-remove-part handle)
4654 (mm-display-part handle))))))
4656 (defun gnus-mime-view-part-internally (&optional handle)
4657 "View the MIME part under point with an internal viewer.
4658 If no internal viewer is available, use an external viewer."
4660 (gnus-article-check-buffer)
4661 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4662 (mm-inlined-types '(".*"))
4663 (mm-inline-large-images t)
4664 (mail-parse-charset gnus-newsgroup-charset)
4665 (mail-parse-ignored-charsets
4666 (with-current-buffer gnus-summary-buffer
4667 gnus-newsgroup-ignored-charsets))
4668 (inhibit-read-only t))
4669 (if (not (mm-inlinable-p handle))
4670 (gnus-mime-view-part-as-type
4671 nil (lambda (type) (mm-inlinable-p handle type)))
4673 (if (mm-handle-undisplayer handle)
4674 (mm-remove-part handle)
4675 (mm-display-part handle))))))
4677 (defun gnus-mime-action-on-part (&optional action)
4678 "Do something with the MIME attachment at \(point\)."
4680 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4681 (gnus-article-check-buffer)
4682 (let ((action-pair (assoc action gnus-mime-action-alist)))
4684 (funcall (cdr action-pair)))))
4686 (defun gnus-article-part-wrapper (n function)
4687 (save-current-buffer
4688 (set-buffer gnus-article-buffer)
4689 (when (> n (length gnus-article-mime-handle-alist))
4690 (error "No such part"))
4691 (gnus-article-goto-part n)
4692 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4693 (funcall function handle))))
4695 (defun gnus-article-pipe-part (n)
4696 "Pipe MIME part N, which is the numerical prefix."
4698 (gnus-article-part-wrapper n 'mm-pipe-part))
4700 (defun gnus-article-save-part (n)
4701 "Save MIME part N, which is the numerical prefix."
4703 (gnus-article-part-wrapper n 'mm-save-part))
4705 (defun gnus-article-interactively-view-part (n)
4706 "View MIME part N interactively, which is the numerical prefix."
4708 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4710 (defun gnus-article-copy-part (n)
4711 "Copy MIME part N, which is the numerical prefix."
4713 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4715 (defun gnus-article-view-part-as-charset (n)
4716 "View MIME part N using a specified charset.
4717 N is the numerical prefix."
4719 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4721 (defun gnus-article-view-part-externally (n)
4722 "View MIME part N externally, which is the numerical prefix."
4724 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4726 (defun gnus-article-inline-part (n)
4727 "Inline MIME part N, which is the numerical prefix."
4729 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4731 (defun gnus-article-mime-match-handle-first (condition)
4733 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4734 (while (setq ihandle (pop alist))
4736 ((functionp condition)
4737 (funcall condition (cdr ihandle)))
4738 ((eq condition 'undisplayed)
4739 (not (or (mm-handle-undisplayer (cdr ihandle))
4740 (equal (mm-handle-media-type (cdr ihandle))
4741 "multipart/alternative"))))
4742 ((eq condition 'undisplayed-alternative)
4743 (not (mm-handle-undisplayer (cdr ihandle))))
4745 (gnus-article-goto-part (car ihandle))
4746 (or (not n) (< (car ihandle) n)))
4747 (setq n (car ihandle))))
4751 (defun gnus-article-view-part (&optional n)
4752 "View MIME part N, which is the numerical prefix."
4754 (save-current-buffer
4755 (set-buffer gnus-article-buffer)
4756 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4757 gnus-article-mime-match-handle-function)))
4758 (when (> n (length gnus-article-mime-handle-alist))
4759 (error "No such part"))
4760 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4761 (when (gnus-article-goto-part n)
4762 (if (equal (car handle) "multipart/alternative")
4763 (gnus-article-press-button)
4764 (when (eq (gnus-mm-display-part handle) 'internal)
4765 (gnus-set-window-start)))))))
4767 (defsubst gnus-article-mime-total-parts ()
4768 (if (bufferp (car gnus-article-mime-handles))
4770 (1- (length gnus-article-mime-handles))))
4772 (defun gnus-mm-display-part (handle)
4773 "Display HANDLE and fix MIME button."
4774 (let ((id (get-text-property (point) 'gnus-part))
4776 (inhibit-read-only t))
4779 (let ((window (selected-window))
4780 (mail-parse-charset gnus-newsgroup-charset)
4781 (mail-parse-ignored-charsets
4782 (if (gnus-buffer-live-p gnus-summary-buffer)
4784 (set-buffer gnus-summary-buffer)
4785 gnus-newsgroup-ignored-charsets)
4789 (let ((win (gnus-get-buffer-window (current-buffer) t))
4792 (select-window win))
4795 (if (mm-handle-displayed-p handle)
4796 ;; This will remove the part.
4797 (mm-display-part handle)
4799 (narrow-to-region (point)
4800 (if (eobp) (point) (1+ (point))))
4801 (mm-display-part handle)
4802 ;; We narrow to the part itself and
4803 ;; then call the treatment functions.
4804 (goto-char (point-min))
4806 (narrow-to-region (point) (point-max))
4809 (gnus-article-mime-total-parts)
4810 (mm-handle-media-type handle)))))
4811 (if (window-live-p window)
4812 (select-window window)))))
4815 (gnus-insert-mime-button
4816 handle id (list (mm-handle-displayed-p handle)))
4817 (goto-char point))))
4819 (defun gnus-article-goto-part (n)
4820 "Go to MIME part N."
4821 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4823 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4824 (let ((gnus-tmp-name
4825 (or (mail-content-type-get (mm-handle-type handle) 'name)
4826 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4827 (mail-content-type-get (mm-handle-type handle) 'url)
4829 (gnus-tmp-type (mm-handle-media-type handle))
4830 (gnus-tmp-description
4831 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4834 (if (if displayed (car displayed)
4835 (mm-handle-displayed-p handle))
4837 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4839 gnus-tmp-type-long b e)
4840 (when (string-match ".*/" gnus-tmp-name)
4841 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4842 (setq gnus-tmp-type-long (concat gnus-tmp-type
4843 (and (not (equal gnus-tmp-name ""))
4844 (concat "; " gnus-tmp-name))))
4845 (unless (equal gnus-tmp-description "")
4846 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4851 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4852 `(,@(gnus-local-map-property gnus-mime-button-map)
4853 gnus-callback gnus-mm-display-part
4854 gnus-part ,gnus-tmp-id
4855 article-type annotation
4858 ;; Exclude a newline.
4861 (widget-convert-button
4864 :action 'gnus-widget-press-button
4865 :button-keymap gnus-mime-button-map
4867 (lambda (widget/window &optional overlay pos)
4868 ;; Needed to properly clear the message due to a bug in
4869 ;; wid-edit (XEmacs only).
4870 (if (boundp 'help-echo-owns-message)
4871 (setq help-echo-owns-message t))
4873 "%S: %s the MIME part; %S: more options"
4874 (aref gnus-mouse-2 0)
4875 ;; XEmacs will get a single widget arg; Emacs 21 will get
4876 ;; window, overlay, position.
4877 (if (mm-handle-displayed-p
4879 (with-current-buffer (gnus-overlay-buffer overlay)
4880 (widget-get (widget-at (gnus-overlay-start overlay))
4882 (widget-get widget/window :mime-handle)))
4884 (aref gnus-down-mouse-3 0))))))
4886 (defun gnus-widget-press-button (elems el)
4887 (goto-char (widget-get elems :from))
4888 (gnus-article-press-button))
4890 (defvar gnus-displaying-mime nil)
4892 (defun gnus-display-mime (&optional ihandles)
4893 "Display the MIME parts."
4895 (save-selected-window
4896 (let ((window (get-buffer-window gnus-article-buffer))
4899 (select-window window)
4900 ;; We have to do this since selecting the window
4901 ;; may change the point. So we set the window point.
4902 (set-window-point window point)))
4903 (let ((handles ihandles)
4904 (inhibit-read-only t)
4907 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4908 (when gnus-article-emulate-mime
4909 (mm-uu-dissect-text-parts handles)))
4910 (gnus-article-emulate-mime
4911 (setq handles (mm-uu-dissect))))
4912 (when (and (not ihandles)
4913 (not gnus-displaying-mime))
4914 ;; Top-level call; we clean up.
4915 (when gnus-article-mime-handles
4916 (mm-destroy-parts gnus-article-mime-handles)
4917 (setq gnus-article-mime-handle-alist nil));; A trick.
4918 (setq gnus-article-mime-handles handles)
4919 ;; We allow users to glean info from the handles.
4920 (when gnus-article-mime-part-function
4921 (gnus-mime-part-function handles)))
4923 (or (not (stringp (car handles)))
4926 (when (and (not ihandles)
4927 (not gnus-displaying-mime))
4928 ;; Clean up for mime parts.
4930 (delete-region (point) (point-max)))
4931 (let ((gnus-displaying-mime t))
4932 (gnus-mime-display-part handles)))
4935 (narrow-to-region (point) (point-max))
4936 (gnus-treat-article nil 1 1)
4939 ;; Highlight the headers.
4943 (narrow-to-region (point-min) (point))
4944 (gnus-article-save-original-date
4945 (gnus-treat-article 'head)))))))
4946 ;; Cope with broken MIME messages.
4947 (goto-char (point-max))
4951 (defcustom gnus-mime-display-multipart-as-mixed nil
4952 "Display \"multipart\" parts as \"multipart/mixed\".
4954 If t, it overrides nil values of
4955 `gnus-mime-display-multipart-alternative-as-mixed' and
4956 `gnus-mime-display-multipart-related-as-mixed'."
4957 :group 'gnus-article-mime
4960 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4961 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4963 :group 'gnus-article-mime
4966 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4967 "Display \"multipart/related\" parts as \"multipart/mixed\".
4969 If displaying \"text/html\" is discouraged \(see
4970 `mm-discouraged-alternatives'\) images or other material inside a
4971 \"multipart/related\" part might be overlooked when this variable is nil."
4973 :group 'gnus-article-mime
4976 (defun gnus-mime-display-part (handle)
4978 ;; Maybe a broken MIME message.
4981 ((not (stringp (car handle)))
4982 (gnus-mime-display-single handle))
4983 ;; User-defined multipart
4984 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4985 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4987 ;; multipart/alternative
4988 ((and (equal (car handle) "multipart/alternative")
4989 (not (or gnus-mime-display-multipart-as-mixed
4990 gnus-mime-display-multipart-alternative-as-mixed)))
4991 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4992 (push (cons id handle) gnus-article-mime-handle-alist)
4993 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4994 ;; multipart/related
4995 ((and (equal (car handle) "multipart/related")
4996 (not (or gnus-mime-display-multipart-as-mixed
4997 gnus-mime-display-multipart-related-as-mixed)))
4998 ;;;!!!We should find the start part, but we just default
4999 ;;;!!!to the first part.
5000 ;;(gnus-mime-display-part (cadr handle))
5001 ;;;!!! Most multipart/related is an HTML message plus images.
5002 ;;;!!! Unfortunately we are unable to let W3 display those
5003 ;;;!!! included images, so we just display it as a mixed multipart.
5004 ;;(gnus-mime-display-mixed (cdr handle))
5005 ;;;!!! No, w3 can display everything just fine.
5006 (gnus-mime-display-part (cadr handle)))
5007 ((equal (car handle) "multipart/signed")
5008 (gnus-add-wash-type 'signed)
5009 (gnus-mime-display-security handle))
5010 ((equal (car handle) "multipart/encrypted")
5011 (gnus-add-wash-type 'encrypted)
5012 (gnus-mime-display-security handle))
5013 ;; Other multiparts are handled like multipart/mixed.
5015 (gnus-mime-display-mixed (cdr handle)))))
5017 (defun gnus-mime-part-function (handles)
5018 (if (stringp (car handles))
5019 (mapcar 'gnus-mime-part-function (cdr handles))
5020 (funcall gnus-article-mime-part-function handles)))
5022 (defun gnus-mime-display-mixed (handles)
5023 (mapcar 'gnus-mime-display-part handles))
5025 (defun gnus-mime-display-single (handle)
5026 (let ((type (mm-handle-media-type handle))
5027 (ignored gnus-ignored-mime-types)
5034 (when (string-match (pop ignored) type)
5035 (throw 'ignored nil)))
5036 (if (and (setq not-attachment
5037 (and (not (mm-inline-override-p handle))
5038 (or (not (mm-handle-disposition handle))
5039 (equal (car (mm-handle-disposition handle))
5041 (mm-attachment-override-p handle))))
5042 (mm-automatic-display-p handle)
5044 (mm-inlinable-p handle)
5045 (mm-inlined-p handle))
5046 (mm-automatic-external-display-p type)))
5048 (when (equal (mm-handle-media-supertype handle) "text")
5050 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5052 (push (cons id handle) gnus-article-mime-handle-alist)
5054 (equal (mm-handle-media-supertype handle) "message"))
5057 (cond ((not (bolp)) 2)
5058 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5060 (when (or (not display)
5061 (not (gnus-unbuttonized-mime-type-p type)))
5062 (gnus-insert-mime-button
5063 handle id (list (or display (and not-attachment text))))
5064 (gnus-article-insert-newline)
5065 ;; Remember modify the number of forward lines.
5073 (let ((mail-parse-charset gnus-newsgroup-charset)
5074 (mail-parse-ignored-charsets
5075 (save-excursion (condition-case ()
5076 (set-buffer gnus-summary-buffer)
5078 gnus-newsgroup-ignored-charsets)))
5079 (mm-display-part handle t))
5080 (goto-char (point-max)))
5081 ((and text not-attachment)
5085 (gnus-article-insert-newline)
5088 (let ((charset (mail-content-type-get (mm-handle-type handle)
5090 (cond ((not charset)
5091 (mm-string-as-multibyte (mm-get-part handle)))
5092 ((eq charset 'gnus-decoded)
5093 (with-current-buffer (mm-handle-buffer handle)
5096 (mm-decode-string (mm-get-part handle) charset)))))
5097 (goto-char (point-max))))
5101 (narrow-to-region beg (point))
5104 (gnus-article-mime-total-parts)
5105 (mm-handle-media-type handle)))))))))
5107 (defun gnus-unbuttonized-mime-type-p (type)
5108 "Say whether TYPE is to be unbuttonized."
5109 (unless gnus-inhibit-mime-unbuttonizing
5111 (let ((types gnus-unbuttonized-mime-types))
5113 (when (string-match (pop types) type)
5114 (throw 'found t)))))
5116 (let ((types gnus-buttonized-mime-types))
5118 (when (string-match (pop types) type)
5119 (throw 'found t)))))))))
5121 (defun gnus-article-insert-newline ()
5122 "Insert a newline, but mark it as undeletable."
5123 (gnus-put-text-property
5124 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5126 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5127 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5130 handle (inhibit-read-only t) from props begend not-pref)
5131 (save-window-excursion
5134 (narrow-to-region (car ibegend)
5137 (goto-char (car ibegend))
5140 (delete-region (point-min) (point-max))
5141 (mm-remove-parts handles))
5142 (setq begend (list (point-marker)))
5144 (unless (setq not-pref (cadr (member preferred ihandles)))
5145 (setq not-pref (car ihandles)))
5148 (not (gnus-unbuttonized-mime-type-p
5149 "multipart/alternative")))
5150 (gnus-add-text-properties
5153 (insert (format "%d. " id))
5157 (unless ,(not ibegend)
5158 (setq gnus-article-mime-handle-alist
5159 ',gnus-article-mime-handle-alist))
5160 (gnus-mime-display-alternative
5161 ',ihandles ',not-pref ',begend ,id))
5162 ,@(gnus-local-map-property gnus-mime-button-map)
5163 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5164 face ,gnus-article-button-face
5166 article-type multipart))
5167 (widget-convert-button 'link from (point)
5168 :action 'gnus-widget-press-button
5169 :button-keymap gnus-widget-button-keymap)
5171 (while (setq handle (pop handles))
5172 (gnus-add-text-properties
5175 (insert (format "(%c) %-18s"
5176 (if (equal handle preferred) ?* ? )
5177 (mm-handle-media-type handle)))
5181 (unless ,(not ibegend)
5182 (setq gnus-article-mime-handle-alist
5183 ',gnus-article-mime-handle-alist))
5184 (gnus-mime-display-alternative
5185 ',ihandles ',handle ',begend ,id))
5186 ,@(gnus-local-map-property gnus-mime-button-map)
5187 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5188 face ,gnus-article-button-face
5191 (widget-convert-button 'link from (point)
5192 :action 'gnus-widget-press-button
5193 :button-keymap gnus-widget-button-keymap)
5197 (if (stringp (car preferred))
5198 (gnus-display-mime preferred)
5199 (let ((mail-parse-charset gnus-newsgroup-charset)
5200 (mail-parse-ignored-charsets
5201 (save-excursion (set-buffer gnus-summary-buffer)
5202 gnus-newsgroup-ignored-charsets)))
5203 (mm-display-part preferred)
5207 (narrow-to-region (car begend) (point-max))
5209 nil (length gnus-article-mime-handle-alist)
5210 (gnus-article-mime-total-parts)
5211 (mm-handle-media-type handle))))))
5212 (goto-char (point-max))
5213 (setcdr begend (point-marker)))))
5215 (goto-char point))))
5217 (defconst gnus-article-wash-status-strings
5218 (let ((alist '((cite "c" "Possible hidden citation text"
5219 " " "All citation text visible")
5220 (headers "h" "Hidden headers"
5221 " " "All headers visible.")
5222 (pgp "p" "Encrypted or signed message status hidden"
5223 " " "No hidden encryption nor digital signature status")
5224 (signature "s" "Signature has been hidden"
5225 " " "Signature is visible")
5226 (overstrike "o" "Overstrike (^H) characters applied"
5227 " " "No overstrike characters applied")
5228 (emphasis "e" "/*_Emphasis_*/ characters applied"
5229 " " "No /*_emphasis_*/ characters applied")))
5231 (dolist (entry alist result)
5232 (let ((key (nth 0 entry))
5233 (on (copy-sequence (nth 1 entry)))
5234 (on-help (nth 2 entry))
5235 (off (copy-sequence (nth 3 entry)))
5236 (off-help (nth 4 entry)))
5237 (put-text-property 0 1 'help-echo on-help on)
5238 (put-text-property 0 1 'help-echo off-help off)
5239 (push (list key on off) result))))
5240 "Alist of strings describing wash status in the mode line.
5241 Each entry has the form (KEY ON OF), where the KEY is a symbol
5242 representing the particular washing function, ON is the string to use
5243 in the article mode line when the washing function is active, and OFF
5244 is the string to use when it is inactive.")
5246 (defun gnus-article-wash-status-entry (key value)
5247 (let ((entry (assoc key gnus-article-wash-status-strings)))
5248 (if value (nth 1 entry) (nth 2 entry))))
5250 (defun gnus-article-wash-status ()
5251 "Return a string which display status of article washing."
5253 (set-buffer gnus-article-buffer)
5254 (let ((cite (memq 'cite gnus-article-wash-types))
5255 (headers (memq 'headers gnus-article-wash-types))
5256 (boring (memq 'boring-headers gnus-article-wash-types))
5257 (pgp (memq 'pgp gnus-article-wash-types))
5258 (pem (memq 'pem gnus-article-wash-types))
5259 (signed (memq 'signed gnus-article-wash-types))
5260 (encrypted (memq 'encrypted gnus-article-wash-types))
5261 (signature (memq 'signature gnus-article-wash-types))
5262 (overstrike (memq 'overstrike gnus-article-wash-types))
5263 (emphasis (memq 'emphasis gnus-article-wash-types)))
5265 (gnus-article-wash-status-entry 'cite cite)
5266 (gnus-article-wash-status-entry 'headers (or headers boring))
5267 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5268 (gnus-article-wash-status-entry 'signature signature)
5269 (gnus-article-wash-status-entry 'overstrike overstrike)
5270 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5272 (defun gnus-add-wash-type (type)
5273 "Add a washing of TYPE to the current status."
5274 (add-to-list 'gnus-article-wash-types type))
5276 (defun gnus-delete-wash-type (type)
5277 "Add a washing of TYPE to the current status."
5278 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5280 (defun gnus-add-image (category image)
5281 "Add IMAGE of CATEGORY to the list of displayed images."
5282 (let ((entry (assq category gnus-article-image-alist)))
5284 (setq entry (list category))
5285 (push entry gnus-article-image-alist))
5286 (nconc entry (list image))))
5288 (defun gnus-delete-images (category)
5289 "Delete all images in CATEGORY."
5290 (let ((entry (assq category gnus-article-image-alist)))
5291 (dolist (image (cdr entry))
5292 (gnus-remove-image image category))
5293 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5294 (gnus-delete-wash-type category)))
5296 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5298 (defun gnus-article-maybe-hide-headers ()
5299 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5300 Provided for backwards compatibility."
5301 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5302 (not (save-excursion (set-buffer gnus-summary-buffer)
5303 gnus-have-all-headers)))
5304 (not gnus-inhibit-hiding))
5305 (gnus-article-hide-headers)))
5309 (defun gnus-output-to-file (file-name)
5310 "Append the current article to a file named FILE-NAME.
5311 If `gnus-article-save-coding-system' is non-nil, it is used to encode
5312 text and used as the value of the coding cookie which is added to the
5313 top of a file. Otherwise, this function saves a raw article without
5315 (let* ((artbuf (current-buffer))
5316 (file-name-coding-system nnmail-pathname-coding-system)
5317 (coding gnus-article-save-coding-system)
5318 (coding-system-for-read (if coding
5319 nil ;; Rely on the coding cookie.
5320 mm-text-coding-system))
5321 (coding-system-for-write (or coding
5322 mm-text-coding-system-for-write
5323 mm-text-coding-system))
5324 (exists (file-exists-p file-name)))
5327 (insert-file-contents file-name)
5328 (goto-char (point-min))
5329 ;; Remove the existing coding cookie.
5330 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
5331 (delete-region (match-beginning 0) (match-end 0))))
5332 (goto-char (point-max))
5333 (insert-buffer-substring artbuf)
5334 ;; Append newline at end of the buffer as separator, and then
5336 (goto-char (point-max))
5339 ;; If the coding system is not suitable to encode the text,
5340 ;; ask a user for a proper one.
5341 (when (fboundp 'select-safe-coding-system)
5342 (setq coding (coding-system-base
5343 (save-window-excursion
5344 (select-safe-coding-system (point-min) (point-max)
5346 (setq coding-system-for-write
5347 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
5349 (goto-char (point-min))
5350 ;; Add the coding cookie.
5351 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
5352 coding-system-for-write)))
5355 (write-region (point-min) (point-max) file-name nil 'no-message)
5356 (message "Appended to %s" file-name))
5357 (write-region (point-min) (point-max) file-name))))
5360 (defun gnus-narrow-to-page (&optional arg)
5361 "Narrow the article buffer to a page.
5362 If given a numerical ARG, move forward ARG pages."
5364 (setq arg (if arg (prefix-numeric-value arg) 0))
5366 (set-buffer gnus-article-buffer)
5367 (goto-char (point-min))
5369 ;; Remove any old next/prev buttons.
5370 (when (gnus-visual-p 'page-marker)
5371 (let ((inhibit-read-only t))
5372 (gnus-remove-text-with-property 'gnus-prev)
5373 (gnus-remove-text-with-property 'gnus-next)))
5376 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5378 (re-search-forward page-delimiter nil 'move arg)))
5379 (goto-char (match-end 0))
5381 (goto-char (point-min))
5382 (setq gnus-page-broken
5383 (and (re-search-forward page-delimiter nil t) t))))
5384 (when gnus-page-broken
5387 (if (re-search-forward page-delimiter nil 'move)
5390 (when (and (gnus-visual-p 'page-marker)
5391 (> (point-min) (save-restriction (widen) (point-min))))
5393 (goto-char (point-min))
5394 (gnus-insert-prev-page-button)))
5395 (when (and (gnus-visual-p 'page-marker)
5396 (< (point-max) (save-restriction (widen) (point-max))))
5398 (goto-char (point-max))
5399 (gnus-insert-next-page-button))))))
5401 ;; Article mode commands
5403 (defun gnus-article-goto-next-page ()
5404 "Show the next page of the article."
5406 (when (gnus-article-next-page)
5407 (goto-char (point-min))
5408 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5411 (defun gnus-article-goto-prev-page ()
5412 "Show the previous page of the article."
5415 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5416 (gnus-article-prev-page nil)))
5418 ;; This is cleaner but currently breaks `gnus-pick-mode':
5420 ;; (defun gnus-article-goto-next-page ()
5421 ;; "Show the next page of the article."
5423 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5424 ;; (gnus-summary-next-page)))
5426 ;; (defun gnus-article-goto-prev-page ()
5427 ;; "Show the next page of the article."
5429 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5430 ;; (gnus-summary-prev-page)))
5432 (defun gnus-article-next-page (&optional lines)
5433 "Show the next page of the current article.
5434 If end of article, return non-nil. Otherwise return nil.
5435 Argument LINES specifies lines to be scrolled up."
5437 (move-to-window-line -1)
5440 (and (pos-visible-in-window-p) ;Not continuation line.
5441 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5442 ;; Nothing in this page.
5443 (if (or (not gnus-page-broken)
5448 (eobp)))) ;Real end-of-buffer?
5450 (when gnus-article-over-scroll
5451 (gnus-article-next-page-1 lines))
5453 (gnus-narrow-to-page 1) ;Go to next page.
5455 ;; More in this page.
5456 (gnus-article-next-page-1 lines)
5459 (defmacro gnus-article-beginning-of-window ()
5460 "Move point to the beginning of the window.
5461 In Emacs, the point is placed at the line number which `scroll-margin'
5463 (if (featurep 'xemacs)
5464 '(move-to-window-line 0)
5465 '(move-to-window-line
5466 (min (max 0 scroll-margin)
5467 (max 1 (- (window-height)
5468 (if mode-line-format 1 0)
5469 (if (and (boundp 'header-line-format)
5470 (symbol-value 'header-line-format))
5473 (defun gnus-article-next-page-1 (lines)
5474 (when (and (not (featurep 'xemacs))
5477 (numberp (symbol-value 'scroll-margin))
5478 (> (symbol-value 'scroll-margin) 0))
5479 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5480 ;; too many number of lines if `scroll-margin' is set as two or greater.
5481 (setq lines (min lines
5482 (max 0 (- (count-lines (window-start) (point-max))
5483 (symbol-value 'scroll-margin))))))
5485 (let ((scroll-in-place nil))
5488 ;; Long lines may cause an end-of-buffer error.
5489 (goto-char (point-max))))
5490 (gnus-article-beginning-of-window))
5492 (defun gnus-article-prev-page (&optional lines)
5493 "Show previous page of current article.
5494 Argument LINES specifies lines to be scrolled down."
5496 (move-to-window-line 0)
5497 (if (and gnus-page-broken
5499 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5501 (gnus-narrow-to-page -1) ;Go to previous page.
5502 (goto-char (point-max))
5506 (let ((scroll-in-place nil))
5507 (scroll-down lines))
5508 (beginning-of-buffer
5509 (goto-char (point-min))))
5510 (gnus-article-beginning-of-window))))
5512 (defun gnus-article-only-boring-p ()
5513 "Decide whether there is only boring text remaining in the article.
5514 Something \"interesting\" is a word of at least two letters that does
5515 not have a face in `gnus-article-boring-faces'."
5516 (when (and gnus-article-skip-boring
5517 (boundp 'gnus-article-boring-faces)
5518 (symbol-value 'gnus-article-boring-faces))
5520 (let ((inhibit-point-motion-hooks t))
5522 (while (re-search-forward "\\b\\w\\w" nil t)
5524 (when (not (gnus-intersection
5525 (gnus-faces-at (point))
5526 (symbol-value 'gnus-article-boring-faces)))
5527 (throw 'only-boring nil)))
5528 (throw 'only-boring t))))))
5530 (defun gnus-article-refer-article ()
5531 "Read article specified by message-id around point."
5534 (re-search-backward "[ \t]\\|^" (gnus-point-at-bol) t)
5535 (re-search-forward "<?news:<?\\|<" (gnus-point-at-eol) t)
5536 (if (re-search-forward "[^@ ]+@[^ \t>]+" (gnus-point-at-eol) t)
5537 (let ((msg-id (concat "<" (match-string 0) ">")))
5538 (set-buffer gnus-summary-buffer)
5539 (gnus-summary-refer-article msg-id))
5540 (error "No references around point"))))
5542 (defun gnus-article-show-summary ()
5543 "Reconfigure windows to show summary buffer."
5545 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5546 (error "There is no summary buffer for this article buffer")
5547 (gnus-article-set-globals)
5548 (gnus-configure-windows 'article)
5549 (gnus-summary-goto-subject gnus-current-article)
5550 (gnus-summary-position-point)))
5552 (defun gnus-article-describe-briefly ()
5553 "Describe article mode commands briefly."
5555 (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")))
5557 (defun gnus-article-summary-command ()
5558 "Execute the last keystroke in the summary buffer."
5560 (let ((obuf (current-buffer))
5561 (owin (current-window-configuration))
5563 (switch-to-buffer gnus-article-current-summary 'norecord)
5564 (setq func (lookup-key (current-local-map) (this-command-keys)))
5565 (call-interactively func)
5567 (set-window-configuration owin)
5568 (set-window-point (get-buffer-window (current-buffer)) (point))))
5570 (defun gnus-article-summary-command-nosave ()
5571 "Execute the last keystroke in the summary buffer."
5574 (pop-to-buffer gnus-article-current-summary 'norecord)
5575 (setq func (lookup-key (current-local-map) (this-command-keys)))
5576 (call-interactively func)))
5578 (defun gnus-article-check-buffer ()
5579 "Beep if not in an article buffer."
5580 (unless (equal major-mode 'gnus-article-mode)
5581 (error "Command invoked outside of a Gnus article buffer")))
5583 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5584 "Read a summary buffer key sequence and execute it from the article buffer."
5586 (gnus-article-check-buffer)
5588 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5589 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5590 "=" "^" "\M-^" "|"))
5596 '("n" "Gn" "p" "Gp"))
5599 (set-buffer gnus-article-current-summary)
5600 (let (gnus-pick-mode)
5601 (push (or key last-command-event) unread-command-events)
5602 (setq keys (if (featurep 'xemacs)
5603 (events-to-keys (read-key-sequence nil))
5604 (read-key-sequence nil)))))
5608 (if (or (member keys nosaves)
5609 (member keys nosave-but-article)
5610 (member keys nosave-in-article))
5612 (save-window-excursion
5613 (pop-to-buffer gnus-article-current-summary 'norecord)
5614 ;; We disable the pick minor mode commands.
5615 (let (gnus-pick-mode)
5616 (setq func (lookup-key (current-local-map) keys))))
5620 (unless (member keys nosave-in-article)
5621 (set-buffer gnus-article-current-summary))
5622 (call-interactively func)
5623 (setq new-sum-point (point)))
5624 (when (member keys nosave-but-article)
5625 (pop-to-buffer gnus-article-buffer 'norecord)))
5626 ;; These commands should restore window configuration.
5627 (let ((obuf (current-buffer))
5628 (owin (current-window-configuration))
5630 win func in-buffer selected new-sum-start new-sum-hscroll)
5631 (cond (not-restore-window
5632 (pop-to-buffer gnus-article-current-summary 'norecord))
5633 ((setq win (get-buffer-window gnus-article-current-summary))
5634 (select-window win))
5636 (switch-to-buffer gnus-article-current-summary 'norecord)))
5637 (setq in-buffer (current-buffer))
5638 ;; We disable the pick minor mode commands.
5639 (if (and (setq func (let (gnus-pick-mode)
5640 (lookup-key (current-local-map) keys)))
5643 (call-interactively func)
5644 (when (eq win (selected-window))
5645 (setq new-sum-point (point)
5646 new-sum-start (window-start win)
5647 new-sum-hscroll (window-hscroll win)))
5648 (when (eq in-buffer (current-buffer))
5649 (setq selected (gnus-summary-select-article))
5651 (unless not-restore-window
5652 (set-window-configuration owin))
5653 (when (eq selected 'old)
5655 (set-window-start (get-buffer-window (current-buffer))
5657 (set-window-point (get-buffer-window (current-buffer))
5659 (when (and (not not-restore-window)
5661 (set-window-point win new-sum-point)
5662 (set-window-start win new-sum-start)
5663 (set-window-hscroll win new-sum-hscroll))))
5664 (set-window-configuration owin)
5667 (defun gnus-article-describe-key (key)
5668 "Display documentation of the function invoked by KEY. KEY is a string."
5669 (interactive "kDescribe key: ")
5670 (gnus-article-check-buffer)
5671 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5673 (set-buffer gnus-article-current-summary)
5674 (let (gnus-pick-mode)
5675 (if (featurep 'xemacs)
5677 (push (elt key 0) unread-command-events)
5678 (setq key (events-to-keys
5679 (read-key-sequence "Describe key: "))))
5680 (setq unread-command-events
5682 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5683 (string-to-list key)))
5684 (setq key (read-key-sequence "Describe key: "))))
5686 (describe-key key)))
5688 (defun gnus-article-describe-key-briefly (key &optional insert)
5689 "Display documentation of the function invoked by KEY. KEY is a string."
5690 (interactive "kDescribe key: \nP")
5691 (gnus-article-check-buffer)
5692 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5694 (set-buffer gnus-article-current-summary)
5695 (let (gnus-pick-mode)
5696 (if (featurep 'xemacs)
5698 (push (elt key 0) unread-command-events)
5699 (setq key (events-to-keys
5700 (read-key-sequence "Describe key: "))))
5701 (setq unread-command-events
5703 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5704 (string-to-list key)))
5705 (setq key (read-key-sequence "Describe key: "))))
5706 (describe-key-briefly key insert))
5707 (describe-key-briefly key insert)))
5709 (defun gnus-article-reply-with-original (&optional wide)
5710 "Start composing a reply mail to the current message.
5711 The text in the region will be yanked. If the region isn't active,
5712 the entire article will be yanked."
5714 (let ((article (cdr gnus-article-current))
5716 (if (not (gnus-mark-active-p))
5717 (with-current-buffer gnus-summary-buffer
5718 (gnus-summary-reply (list (list article)) wide))
5719 (setq contents (buffer-substring (point) (mark t)))
5720 ;; Deactivate active regions.
5721 (when (and (boundp 'transient-mark-mode)
5722 transient-mark-mode)
5723 (setq mark-active nil))
5724 (with-current-buffer gnus-summary-buffer
5726 (list (list article contents)) wide)))))
5728 (defun gnus-article-followup-with-original ()
5729 "Compose a followup to the current article.
5730 The text in the region will be yanked. If the region isn't active,
5731 the entire article will be yanked."
5733 (let ((article (cdr gnus-article-current))
5735 (if (not (gnus-mark-active-p))
5736 (with-current-buffer gnus-summary-buffer
5737 (gnus-summary-followup (list (list article))))
5738 (setq contents (buffer-substring (point) (mark t)))
5739 ;; Deactivate active regions.
5740 (when (and (boundp 'transient-mark-mode)
5741 transient-mark-mode)
5742 (setq mark-active nil))
5743 (with-current-buffer gnus-summary-buffer
5744 (gnus-summary-followup
5745 (list (list article contents)))))))
5747 (defun gnus-article-hide (&optional arg force)
5748 "Hide all the gruft in the current article.
5749 This means that signatures, cited text and (some) headers will be
5751 If given a prefix, show the hidden text instead."
5752 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5753 (gnus-article-hide-headers arg)
5754 (gnus-article-hide-list-identifiers arg)
5755 (gnus-article-hide-citation-maybe arg force)
5756 (gnus-article-hide-signature arg))
5758 (defun gnus-article-maybe-highlight ()
5759 "Do some article highlighting if article highlighting is requested."
5760 (when (gnus-visual-p 'article-highlight 'highlight)
5761 (gnus-article-highlight-some)))
5763 (defun gnus-check-group-server ()
5764 ;; Make sure the connection to the server is alive.
5765 (unless (gnus-server-opened
5766 (gnus-find-method-for-group gnus-newsgroup-name))
5767 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5768 (gnus-request-group gnus-newsgroup-name t)))
5771 (autoload 'nneething-get-file-name "nneething"))
5773 (defun gnus-request-article-this-buffer (article group)
5774 "Get an article and insert it into this buffer."
5775 (let (do-update-line sparse-header)
5779 (gnus-kill-all-overlays)
5780 (setq group (or group gnus-newsgroup-name))
5782 ;; Using `gnus-request-article' directly will insert the article into
5783 ;; `nntp-server-buffer' - so we'll save some time by not having to
5784 ;; copy it from the server buffer into the article buffer.
5786 ;; We only request an article by message-id when we do not have the
5787 ;; headers for it, so we'll have to get those.
5788 (when (stringp article)
5789 (gnus-read-header article))
5791 ;; If the article number is negative, that means that this article
5792 ;; doesn't belong in this newsgroup (possibly), so we find its
5793 ;; message-id and request it by id instead of number.
5794 (when (and (numberp article)
5796 (get-buffer gnus-summary-buffer)
5797 (gnus-buffer-exists-p gnus-summary-buffer))
5799 (set-buffer gnus-summary-buffer)
5800 (let ((header (gnus-summary-article-header article)))
5803 ((memq article gnus-newsgroup-sparse)
5804 ;; This is a sparse gap article.
5805 (setq do-update-line article)
5806 (setq article (mail-header-id header))
5807 (setq sparse-header (gnus-read-header article))
5808 (setq gnus-newsgroup-sparse
5809 (delq article gnus-newsgroup-sparse)))
5811 ;; It's a real article.
5812 (setq article (mail-header-id header)))
5814 ;; It is an extracted pseudo-article.
5815 (setq article 'pseudo)
5816 (gnus-request-pseudo-article header))))
5818 (let ((method (gnus-find-method-for-group
5819 gnus-newsgroup-name)))
5820 (when (and (eq (car method) 'nneething)
5822 (let ((dir (nneething-get-file-name
5823 (mail-header-id header))))
5824 (when (and (stringp dir)
5825 (file-directory-p dir))
5826 (setq article 'nneething)
5827 (gnus-group-enter-directory dir))))))))
5830 ;; Refuse to select canceled articles.
5831 ((and (numberp article)
5833 (get-buffer gnus-summary-buffer)
5834 (gnus-buffer-exists-p gnus-summary-buffer)
5835 (eq (cdr (save-excursion
5836 (set-buffer gnus-summary-buffer)
5837 (assq article gnus-newsgroup-reads)))
5838 gnus-canceled-mark))
5840 ;; We first check `gnus-original-article-buffer'.
5841 ((and (get-buffer gnus-original-article-buffer)
5844 (set-buffer gnus-original-article-buffer)
5845 (and (equal (car gnus-original-article) group)
5846 (eq (cdr gnus-original-article) article))))
5847 (insert-buffer-substring gnus-original-article-buffer)
5849 ;; Check the backlog.
5850 ((and gnus-keep-backlog
5851 (gnus-backlog-request-article group article (current-buffer)))
5853 ;; Check asynchronous pre-fetch.
5854 ((gnus-async-request-fetched-article group article (current-buffer))
5855 (gnus-async-prefetch-next group article gnus-summary-buffer)
5856 (when (and (numberp article) gnus-keep-backlog)
5857 (gnus-backlog-enter-article group article (current-buffer)))
5860 ((and gnus-use-cache
5862 (gnus-cache-request-article article group))
5864 ;; Check the agent cache.
5865 ((gnus-agent-request-article article group)
5867 ;; Get the article and put into the article buffer.
5868 ((or (stringp article)
5870 (let ((gnus-override-method gnus-override-method)
5871 (methods (and (stringp article)
5872 gnus-refer-article-method))
5873 (backend (car (gnus-find-method-for-group
5874 gnus-newsgroup-name)))
5876 (inhibit-read-only t))
5877 (if (or (not (listp methods))
5878 (and (symbolp (car methods))
5879 (assq (car methods) nnoo-definition-alist)))
5880 (setq methods (list methods)))
5881 (when (and (null gnus-override-method)
5883 (setq gnus-override-method (pop methods)))
5885 (when (eq gnus-override-method 'current)
5886 (setq gnus-override-method
5887 (with-current-buffer gnus-summary-buffer
5888 gnus-current-select-method)))
5890 (gnus-kill-all-overlays)
5891 (let ((gnus-newsgroup-name group))
5892 (gnus-check-group-server))
5894 ((gnus-request-article article group (current-buffer))
5895 (when (numberp article)
5896 (gnus-async-prefetch-next group article
5897 gnus-summary-buffer)
5898 (when gnus-keep-backlog
5899 (gnus-backlog-enter-article
5900 group article (current-buffer))))
5901 (setq result 'article))
5903 (setq gnus-override-method (pop methods)))
5904 ((not (string-match "^400 "
5905 (nnheader-get-report backend)))
5906 ;; If we get 400 server disconnect, reconnect and
5907 ;; retry; otherwise, assume the article has expired.
5908 (setq result 'done))))
5909 (and (eq result 'article) 'article)))
5913 ;; Associate this article with the current summary buffer.
5914 (setq gnus-article-current-summary gnus-summary-buffer)
5916 ;; Take the article from the original article buffer
5917 ;; and place it in the buffer it's supposed to be in.
5918 (when (and (get-buffer gnus-article-buffer)
5919 (equal (buffer-name (current-buffer))
5920 (buffer-name (get-buffer gnus-article-buffer))))
5922 (if (get-buffer gnus-original-article-buffer)
5923 (set-buffer gnus-original-article-buffer)
5924 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5925 (buffer-disable-undo)
5926 (setq major-mode 'gnus-original-article-mode)
5927 (setq buffer-read-only t))
5928 (let ((inhibit-read-only t))
5930 (insert-buffer-substring gnus-article-buffer))
5931 (setq gnus-original-article (cons group article)))
5934 (run-hooks 'gnus-article-decode-hook)
5935 ;; Mark article as decoded or not.
5936 (setq gnus-article-decoded-p gnus-article-decode-hook))
5938 ;; Update sparse articles.
5939 (when (and do-update-line
5940 (or (numberp article)
5942 (let ((buf (current-buffer)))
5943 (set-buffer gnus-summary-buffer)
5944 (gnus-summary-update-article do-update-line sparse-header)
5945 (gnus-summary-goto-subject do-update-line nil t)
5946 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5948 (set-buffer buf))))))
5954 (defcustom gnus-article-edit-mode-hook nil
5955 "Hook run in article edit mode buffers."
5956 :group 'gnus-article-various
5959 (defvar gnus-article-edit-done-function nil)
5961 (defvar gnus-article-edit-mode-map nil)
5962 (defvar gnus-article-edit-mode nil)
5964 ;; Should we be using derived.el for this?
5965 (unless gnus-article-edit-mode-map
5966 (setq gnus-article-edit-mode-map (make-keymap))
5967 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5969 (gnus-define-keys gnus-article-edit-mode-map
5970 "\C-c?" describe-mode
5971 "\C-c\C-c" gnus-article-edit-done
5972 "\C-c\C-k" gnus-article-edit-exit
5973 "\C-c\C-f\C-t" message-goto-to
5974 "\C-c\C-f\C-o" message-goto-from
5975 "\C-c\C-f\C-b" message-goto-bcc
5976 ;;"\C-c\C-f\C-w" message-goto-fcc
5977 "\C-c\C-f\C-c" message-goto-cc
5978 "\C-c\C-f\C-s" message-goto-subject
5979 "\C-c\C-f\C-r" message-goto-reply-to
5980 "\C-c\C-f\C-n" message-goto-newsgroups
5981 "\C-c\C-f\C-d" message-goto-distribution
5982 "\C-c\C-f\C-f" message-goto-followup-to
5983 "\C-c\C-f\C-m" message-goto-mail-followup-to
5984 "\C-c\C-f\C-k" message-goto-keywords
5985 "\C-c\C-f\C-u" message-goto-summary
5986 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5987 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5988 "\C-c\C-b" message-goto-body
5989 "\C-c\C-i" message-goto-signature
5991 "\C-c\C-t" message-insert-to
5992 "\C-c\C-n" message-insert-newsgroups
5993 "\C-c\C-o" message-sort-headers
5994 "\C-c\C-e" message-elide-region
5995 "\C-c\C-v" message-delete-not-region
5996 "\C-c\C-z" message-kill-to-signature
5997 "\M-\r" message-newline-and-reformat
5998 "\C-c\C-a" mml-attach-file
5999 "\C-a" message-beginning-of-line
6001 "\M-;" comment-region)
6003 (gnus-define-keys (gnus-article-edit-wash-map
6004 "\C-c\C-w" gnus-article-edit-mode-map)
6005 "f" gnus-article-edit-full-stops))
6008 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6010 ["Fetch To" message-insert-to t]
6011 ["Fetch Newsgroups" message-insert-newsgroups t]
6013 ["To" message-goto-to t]
6014 ["From" message-goto-from t]
6015 ["Subject" message-goto-subject t]
6016 ["Cc" message-goto-cc t]
6017 ["Reply-To" message-goto-reply-to t]
6018 ["Summary" message-goto-summary t]
6019 ["Keywords" message-goto-keywords t]
6020 ["Newsgroups" message-goto-newsgroups t]
6021 ["Followup-To" message-goto-followup-to t]
6022 ["Mail-Followup-To" message-goto-mail-followup-to t]
6023 ["Distribution" message-goto-distribution t]
6024 ["Body" message-goto-body t]
6025 ["Signature" message-goto-signature t]))
6027 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6028 "Major mode for editing articles.
6029 This is an extended text-mode.
6031 \\{gnus-article-edit-mode-map}"
6032 (make-local-variable 'gnus-article-edit-done-function)
6033 (make-local-variable 'gnus-prev-winconf)
6034 (set (make-local-variable 'font-lock-defaults)
6035 '(message-font-lock-keywords t))
6036 (set (make-local-variable 'mail-header-separator) "")
6037 (set (make-local-variable 'gnus-article-edit-mode) t)
6038 (easy-menu-add message-mode-field-menu message-mode-map)
6040 (setq buffer-read-only nil)
6041 (buffer-enable-undo)
6044 (defun gnus-article-edit (&optional force)
6045 "Edit the current article.
6046 This will have permanent effect only in mail groups.
6047 If FORCE is non-nil, allow editing of articles even in read-only
6050 (when (and (not force)
6051 (gnus-group-read-only-p))
6052 (error "The current newsgroup does not support article editing"))
6053 (gnus-article-date-original)
6054 (gnus-article-edit-article
6056 `(lambda (no-highlight)
6058 (gnus-summary-edit-article-done
6059 ,(or (mail-header-references gnus-current-headers) "")
6060 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6062 (defun gnus-article-edit-article (start-func exit-func)
6063 "Start editing the contents of the current article buffer."
6064 (let ((winconf (current-window-configuration)))
6065 (set-buffer gnus-article-buffer)
6066 (let ((message-auto-save-directory
6067 ;; Don't associate the article buffer with a draft file.
6069 (gnus-article-edit-mode))
6070 (funcall start-func)
6071 (set-buffer-modified-p nil)
6072 (gnus-configure-windows 'edit-article)
6073 (setq gnus-article-edit-done-function exit-func)
6074 (setq gnus-prev-winconf winconf)
6075 (gnus-message 6 "C-c C-c to end edits")))
6077 (defun gnus-article-edit-done (&optional arg)
6078 "Update the article edits and exit."
6080 (let ((func gnus-article-edit-done-function)
6081 (buf (current-buffer))
6082 (start (window-start))
6084 (winconf gnus-prev-winconf))
6085 (widen) ;; Widen it in case that users narrowed the buffer.
6088 ;; The cache and backlog have to be flushed somewhat.
6089 (when gnus-keep-backlog
6090 (gnus-backlog-remove-article
6091 (car gnus-article-current) (cdr gnus-article-current)))
6092 ;; Flush original article as well.
6094 (when (get-buffer gnus-original-article-buffer)
6095 (set-buffer gnus-original-article-buffer)
6096 (setq gnus-original-article nil)))
6097 (when gnus-use-cache
6098 (gnus-cache-update-article
6099 (car gnus-article-current) (cdr gnus-article-current)))
6100 ;; We remove all text props from the article buffer.
6101 (kill-all-local-variables)
6102 (gnus-set-text-properties (point-min) (point-max) nil)
6104 (set-window-configuration winconf)
6106 (set-window-start (get-buffer-window buf) start)
6107 (set-window-point (get-buffer-window buf) (point)))
6108 (gnus-summary-show-article))
6110 (defun gnus-article-edit-exit ()
6111 "Exit the article editing without updating."
6113 (when (or (not (buffer-modified-p))
6114 (yes-or-no-p "Article modified; kill anyway? "))
6115 (let ((curbuf (current-buffer))
6117 (window-start (window-start)))
6119 (if (gnus-buffer-live-p gnus-original-article-buffer)
6120 (insert-buffer-substring gnus-original-article-buffer))
6121 (let ((winconf gnus-prev-winconf))
6122 (kill-all-local-variables)
6124 (set-window-configuration winconf)
6125 ;; Tippy-toe some to make sure that point remains where it was.
6126 (save-current-buffer
6128 (set-window-start (get-buffer-window (current-buffer)) window-start)
6130 (gnus-summary-show-article)))
6132 (defun gnus-article-edit-full-stops ()
6133 "Interactively repair spacing at end of sentences."
6136 (goto-char (point-min))
6137 (search-forward-regexp "^$" nil t)
6138 (let ((case-fold-search nil))
6139 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6142 ;;; Article highlights
6145 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6147 ;;; Internal Variables:
6149 (defcustom gnus-button-url-regexp
6150 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6151 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6152 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6153 "Regular expression that matches URLs."
6154 :group 'gnus-article-buttons
6157 (defcustom gnus-button-valid-fqdn-regexp
6158 message-valid-fqdn-regexp
6159 "Regular expression that matches a valid FQDN."
6161 :group 'gnus-article-buttons
6164 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6165 (defcustom gnus-button-valid-localpart-regexp
6166 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
6167 "Regular expression that matches a localpart of mail addresses or MIDs."
6169 :group 'gnus-article-buttons
6172 (defcustom gnus-button-man-handler 'manual-entry
6173 "Function to use for displaying man pages.
6174 The function must take at least one argument with a string naming the
6177 :type '(choice (function-item :tag "Man" manual-entry)
6178 (function-item :tag "Woman" woman)
6179 (function :tag "Other"))
6180 :group 'gnus-article-buttons)
6182 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6183 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6184 If the default site is too slow, try to find a CTAN mirror, see
6185 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6186 the variable `gnus-button-handle-ctan'."
6188 :group 'gnus-article-buttons
6189 :link '(custom-manual "(gnus)Group Parameters")
6190 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6191 (const "http://tug.ctan.org/tex-archive/")
6192 (const "http://www.dante.de/CTAN/")
6193 (string :tag "Other")))
6195 (defcustom gnus-button-ctan-handler 'browse-url
6196 "Function to use for displaying CTAN links.
6197 The function must take one argument, the string naming the URL."
6199 :type '(choice (function-item :tag "Browse Url" browse-url)
6200 (function :tag "Other"))
6201 :group 'gnus-article-buttons)
6203 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6204 "Bogus strings removed from CTAN URLs."
6206 :group 'gnus-article-buttons
6207 :type '(choice (const "^/?tex-archive/\\|/")
6208 (regexp :tag "Other")))
6210 (defcustom gnus-button-ctan-directory-regexp
6212 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6213 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6214 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6215 "tds" "tools" "usergrps" "web") t)
6216 "Regular expression for ctan directories.
6217 It should match all directories in the top level of `gnus-ctan-url'."
6219 :group 'gnus-article-buttons
6222 (defcustom gnus-button-mid-or-mail-regexp
6223 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6224 gnus-button-valid-fqdn-regexp
6226 "Regular expression that matches a message ID or a mail address."
6228 :group 'gnus-article-buttons
6231 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6232 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6233 Strings like this can be either a message ID or a mail address. If it is one
6234 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6235 message ID or a mail address, respectively. If this variable is set to the
6236 symbol `ask', always query the user what do do. If it is a function, this
6237 function will be called with the string as it's only argument. The function
6238 must return `mid', `mail', `invalid' or `ask'."
6240 :group 'gnus-article-buttons
6241 :type '(choice (function-item :tag "Heuristic function"
6242 gnus-button-mid-or-mail-heuristic)
6247 (defcustom gnus-button-mid-or-mail-heuristic-alist
6248 '((-10.0 . ".+\\$.+@")
6251 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6252 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6253 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6254 (-1.0 . "^[^a-z]+@")
6256 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6257 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6258 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6259 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6262 (-1.0 . "^[0-9][0-9]")
6264 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6265 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6266 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6267 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6269 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6270 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6273 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6275 ;; compensation for TDMA dated mail addresses:
6276 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6278 (-20.0 . "\\.fsf@") ;; Gnus
6281 (-20.0 . "_-_") ;; Subject change in thread
6283 (-20.0 . "\\.ln@") ;; leafnode
6284 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6285 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6287 ;; (5.0 . "") ;; $local_part_len <= 7
6288 (10.0 . "^[^0-9]+@")
6289 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6290 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6293 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6295 (0.5 . "^[A-Z][a-z]")
6296 (0.5 . "^[A-Z][a-z][a-z]")
6297 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6298 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6299 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6301 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6302 address. The REGEXP is processed with `case-fold-search' set to nil."
6304 :group 'gnus-article-buttons
6305 :type '(repeat (cons (number :tag "Rate")
6306 (regexp :tag "Regexp"))))
6308 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6309 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6310 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6311 address, `ask' if unsure and `invalid' if the string is invalid."
6312 (let ((case-fold-search nil)
6313 (list gnus-button-mid-or-mail-heuristic-alist)
6314 (result 0) rate regexp lpartlen elem)
6316 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6317 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6318 ;; Certain special cases...
6321 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6322 "^[0-9]+\\.[0-9]+@compuserve\\|"
6323 "@public\\.gmane\\.org")
6325 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6326 (setq result 'mail))
6327 (when (string-match "@.*@\\| " mid-or-mail)
6328 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6329 (setq result 'invalid))
6330 ;; Nothing more to do, if result is not a number here...
6331 (when (numberp result)
6333 (setq elem (car list)
6337 (when (string-match regexp mid-or-mail)
6338 (setq result (+ result rate))
6340 9 "`%s' matched `%s', rate `%s', result `%s'."
6341 mid-or-mail regexp rate result)))
6342 (when (<= lpartlen 7)
6343 (setq result (+ result 5.0))
6344 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6345 mid-or-mail result))
6346 (when (>= lpartlen 12)
6347 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6349 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6350 ;; Long local part should contain realname if e-mail address,
6351 ;; too many digits: message-id.
6352 ;; $score -= 5.0 + 0.1 * $local_part_len;
6353 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6354 (setq result (+ result rate))
6356 9 "Many digits in `%s', rate `%s', result `%s'."
6357 mid-or-mail rate result))
6358 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6360 ;; Too few vowels [^aeiouy]{4,}.*\@
6361 (setq result (+ result -5.0))
6363 9 "Few vowels in `%s', rate `%s', result `%s'."
6364 mid-or-mail -5.0 result))
6366 (setq result (+ result 5.0))
6368 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6369 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6370 ;; Maybe we should make this a customizable alist: (condition . 'result)
6372 ((symbolp result) result)
6373 ;; Now convert number into proper results:
6374 ((< result -10.0) 'mid)
6375 ((> result 10.0) 'mail)
6378 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6379 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6380 (url-mid (concat "news" ":" mid-or-mail))
6381 (url-mailto (concat "mailto" ":" mid-or-mail)))
6382 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6383 (when (fboundp pref)
6385 ;; get rid of surrounding angles...
6387 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6388 (if (or (eq 'mid guessed) (eq 'mail guessed))
6392 (save-window-excursion
6393 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6396 (cond ((eq pref 'mid)
6397 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6398 (gnus-button-handle-news url-mid))
6400 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6401 (gnus-url-mailto url-mailto))
6402 (t (gnus-message 3 "Invalid string.")))))
6404 (defun gnus-button-handle-custom (url)
6405 "Follow a Custom URL."
6406 (customize-apropos (gnus-url-unhex-string url)))
6408 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6410 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6413 (defun gnus-button-handle-describe-function (url)
6414 "Call `describe-function' when pushing the corresponding URL button."
6417 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6419 (defun gnus-button-handle-describe-variable (url)
6420 "Call `describe-variable' when pushing the corresponding URL button."
6423 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6425 (defun gnus-button-handle-symbol (url)
6426 "Display help on variable or function.
6427 Calls `describe-variable' or `describe-function'."
6428 (let ((sym (intern url)))
6430 ((fboundp sym) (describe-function sym))
6431 ((boundp sym) (describe-variable sym))
6432 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6434 (defun gnus-button-handle-describe-key (url)
6435 "Call `describe-key' when pushing the corresponding URL button."
6437 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6438 (keys (ignore-errors (eval `(kbd ,key-string)))))
6441 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6443 (defun gnus-button-handle-apropos (url)
6444 "Call `apropos' when pushing the corresponding URL button."
6445 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6447 (defun gnus-button-handle-apropos-command (url)
6448 "Call `apropos' when pushing the corresponding URL button."
6450 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6452 (defun gnus-button-handle-apropos-variable (url)
6453 "Call `apropos' when pushing the corresponding URL button."
6455 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6456 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6458 (defun gnus-button-handle-apropos-documentation (url)
6459 "Call `apropos' when pushing the corresponding URL button."
6461 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6462 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6464 (defun gnus-button-handle-library (url)
6465 "Call `locate-library' when pushing the corresponding URL button."
6466 (gnus-message 9 "url=`%s'" url)
6467 (let* ((lib (locate-library url))
6468 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6470 (gnus-message 1 "Cannot locale library `%s'." url)
6471 (find-file-read-only file))))
6473 (defun gnus-button-handle-ctan (url)
6474 "Call `browse-url' when pushing a CTAN URL button."
6476 gnus-button-ctan-handler
6479 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6481 (defcustom gnus-button-tex-level 5
6482 "*Integer that says how many TeX-related buttons Gnus will show.
6483 The higher the number, the more buttons will appear and the more false
6484 positives are possible. Note that you can set this variable local to
6485 specific groups. Setting it higher in TeX groups is probably a good idea.
6486 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6487 how to set variables in specific groups."
6489 :group 'gnus-article-buttons
6490 :link '(custom-manual "(gnus)Group Parameters")
6493 (defcustom gnus-button-man-level 5
6494 "*Integer that says how many man-related buttons Gnus will show.
6495 The higher the number, the more buttons will appear and the more false
6496 positives are possible. Note that you can set this variable local to
6497 specific groups. Setting it higher in Unix groups is probably a good idea.
6498 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6499 how to set variables in specific groups."
6501 :group 'gnus-article-buttons
6502 :link '(custom-manual "(gnus)Group Parameters")
6505 (defcustom gnus-button-emacs-level 5
6506 "*Integer that says how many emacs-related buttons Gnus will show.
6507 The higher the number, the more buttons will appear and the more false
6508 positives are possible. Note that you can set this variable local to
6509 specific groups. Setting it higher in Emacs or Gnus related groups is
6510 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6511 `gnus-parameters' on how to set variables in specific groups."
6513 :group 'gnus-article-buttons
6514 :link '(custom-manual "(gnus)Group Parameters")
6517 (defcustom gnus-button-message-level 5
6518 "*Integer that says how many buttons for news or mail messages will appear.
6519 The higher the number, the more buttons will appear and the more false
6520 positives are possible."
6521 ;; mail addresses, MIDs, URLs for news, ...
6523 :group 'gnus-article-buttons
6526 (defcustom gnus-button-browse-level 5
6527 "*Integer that says how many buttons for browsing will appear.
6528 The higher the number, the more buttons will appear and the more false
6529 positives are possible."
6530 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6532 :group 'gnus-article-buttons
6535 (defcustom gnus-button-alist
6536 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6537 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6538 ((concat "\\b\\(nntp\\|news\\):\\("
6539 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6540 0 t gnus-button-handle-news 2)
6541 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6542 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6543 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6544 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6545 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6546 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6547 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6548 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6549 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6550 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6551 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6552 ;; RFC 2368 (The mailto URL scheme)
6553 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6554 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6555 ("\\bmailto:\\([^ \n\t]+\\)"
6556 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6558 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6559 gnus-button-ctan-directory-regexp
6560 "[^][>)!;:,'\n\t ]+\\)")
6561 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6562 ((concat "\\btex-archive/\\("
6563 gnus-button-ctan-directory-regexp
6564 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6565 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6568 gnus-button-ctan-directory-regexp
6569 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6570 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6571 ;; This is info (home-grown style) <info://foo/bar+baz>
6572 ("\\binfo://\\([^'\">\n\t ]+\\)"
6573 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6574 ;; Info GNOME style <info:foo#bar_baz>
6575 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6576 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6577 ;; Info KDE style <info:(foo)bar baz>
6578 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6579 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6580 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6581 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6582 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6583 ;; Info links like `C-h i d m CC Mode RET'
6584 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6586 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6587 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6588 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6589 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6590 ;; Emacs help commands
6591 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6592 ;; regexp doesn't match arguments containing ` '.
6593 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6594 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6595 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6596 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6597 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6598 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6599 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6600 ;; The following entries may lead to many false positives so don't enable
6601 ;; them by default (use a high button level).
6602 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6603 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6604 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6605 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6606 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6607 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6608 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6609 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6610 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6611 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6612 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6613 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6614 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6615 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6616 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6617 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6618 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6619 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6620 ;; Unlike the other regexps we really have to require quoting
6621 ;; here to determine where it ends.
6622 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6623 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6624 ("<URL: *\\([^<>]*\\)>"
6625 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6626 ;; RFC 2396 (2.4.3., delims) ...
6627 ("\"URL: *\\([^\"]*\\)\""
6628 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6629 ;; RFC 2396 (2.4.3., delims) ...
6630 ("\"URL: *\\([^\"]*\\)\""
6631 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6633 (gnus-button-url-regexp
6634 0 (>= gnus-button-browse-level 0) browse-url 0)
6636 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6637 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6638 gnus-button-handle-man 1)
6639 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6640 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6641 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6642 gnus-button-handle-man 1)
6643 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6644 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6645 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6646 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6647 ;; MID or mail: To avoid too many false positives we don't try to catch
6648 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6649 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6650 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6651 ;; so that non-ambiguous entries (see above) match first.
6652 (gnus-button-mid-or-mail-regexp
6653 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6654 "*Alist of regexps matching buttons in article bodies.
6656 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6657 REGEXP: is the string (case insensitive) matching text around the button (can
6658 also be Lisp expression evaluating to a string),
6659 BUTTON: is the number of the regexp grouping actually matching the button,
6660 FORM: is a Lisp expression which must eval to true for the button to
6662 CALLBACK: is the function to call when the user push this button, and each
6663 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6665 CALLBACK can also be a variable, in that case the value of that
6666 variable it the real callback function."
6667 :group 'gnus-article-buttons
6668 :type '(repeat (list (choice regexp variable sexp)
6669 (integer :tag "Button")
6671 (function :tag "Callback")
6674 (integer :tag "Regexp group")))))
6676 (defcustom gnus-header-button-alist
6677 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6678 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6679 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6680 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6681 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6682 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6683 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6684 0 (>= gnus-button-browse-level 0) browse-url 0)
6685 ("^Subject:" gnus-button-url-regexp
6686 0 (>= gnus-button-browse-level 0) browse-url 0)
6687 ("^[^:]+:" gnus-button-url-regexp
6688 0 (>= gnus-button-browse-level 0) browse-url 0)
6689 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6690 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6691 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6692 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6693 "*Alist of headers and regexps to match buttons in article heads.
6695 This alist is very similar to `gnus-button-alist', except that each
6696 alist has an additional HEADER element first in each entry:
6698 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6700 HEADER is a regexp to match a header. For a fuller explanation, see
6701 `gnus-button-alist'."
6702 :group 'gnus-article-buttons
6703 :group 'gnus-article-headers
6704 :type '(repeat (list (regexp :tag "Header")
6705 (choice regexp variable)
6706 (integer :tag "Button")
6708 (function :tag "Callback")
6711 (integer :tag "Regexp group")))))
6713 (defvar gnus-button-regexp nil)
6714 (defvar gnus-button-marker-list nil)
6715 ;; Regexp matching any of the regexps from `gnus-button-alist'.
6717 (defvar gnus-button-last nil)
6718 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
6722 (defun gnus-article-push-button (event)
6723 "Check text under the mouse pointer for a callback function.
6724 If the text under the mouse pointer has a `gnus-callback' property,
6725 call it with the value of the `gnus-data' text property."
6727 (set-buffer (window-buffer (posn-window (event-start event))))
6728 (let* ((pos (posn-point (event-start event)))
6729 (data (get-text-property pos 'gnus-data))
6730 (fun (get-text-property pos 'gnus-callback)))
6733 (funcall fun data))))
6735 (defun gnus-article-press-button ()
6736 "Check text at point for a callback function.
6737 If the text at point has a `gnus-callback' property,
6738 call it with the value of the `gnus-data' text property."
6740 (let ((data (get-text-property (point) 'gnus-data))
6741 (fun (get-text-property (point) 'gnus-callback)))
6743 (funcall fun data))))
6745 (defun gnus-article-highlight (&optional force)
6746 "Highlight current article.
6747 This function calls `gnus-article-highlight-headers',
6748 `gnus-article-highlight-citation',
6749 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6750 do the highlighting. See the documentation for those functions."
6751 (interactive (list 'force))
6752 (gnus-article-highlight-headers)
6753 (gnus-article-highlight-citation force)
6754 (gnus-article-highlight-signature)
6755 (gnus-article-add-buttons force)
6756 (gnus-article-add-buttons-to-head))
6758 (defun gnus-article-highlight-some (&optional force)
6759 "Highlight current article.
6760 This function calls `gnus-article-highlight-headers',
6761 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6762 do the highlighting. See the documentation for those functions."
6763 (interactive (list 'force))
6764 (gnus-article-highlight-headers)
6765 (gnus-article-highlight-signature)
6766 (gnus-article-add-buttons))
6768 (defun gnus-article-highlight-headers ()
6769 "Highlight article headers as specified by `gnus-header-face-alist'."
6772 (set-buffer gnus-article-buffer)
6774 (let ((alist gnus-header-face-alist)
6775 (inhibit-read-only t)
6776 (case-fold-search t)
6777 (inhibit-point-motion-hooks t)
6778 entry regexp header-face field-face from hpoints fpoints)
6779 (article-narrow-to-head)
6780 (while (setq entry (pop alist))
6781 (goto-char (point-min))
6782 (setq regexp (concat "^\\("
6783 (if (string-equal "" (nth 0 entry))
6787 header-face (nth 1 entry)
6788 field-face (nth 2 entry))
6789 (while (and (re-search-forward regexp nil t)
6793 (unless (search-forward ":" nil t)
6795 (when (and header-face
6796 (not (memq (point) hpoints)))
6797 (push (point) hpoints)
6798 (gnus-put-text-property from (point) 'face header-face))
6799 (when (and field-face
6800 (not (memq (setq from (point)) fpoints)))
6802 (if (re-search-forward "^[^ \t]" nil t)
6804 (goto-char (point-max)))
6805 (gnus-put-text-property from (point) 'face field-face))))))))
6807 (defun gnus-article-highlight-signature ()
6808 "Highlight the signature in an article.
6809 It does this by highlighting everything after
6810 `gnus-signature-separator' using the face `gnus-signature'."
6813 (set-buffer gnus-article-buffer)
6814 (let ((inhibit-read-only t)
6815 (inhibit-point-motion-hooks t))
6817 (when (and gnus-signature-face
6818 (gnus-article-narrow-to-signature))
6819 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6820 'face gnus-signature-face)
6822 (gnus-article-search-signature)
6823 (let ((start (match-beginning 0))
6824 (end (set-marker (make-marker) (1+ (match-end 0)))))
6825 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6828 (defun gnus-button-in-region-p (b e prop)
6829 "Say whether PROP exists in the region."
6830 (text-property-not-all b e prop nil))
6832 (defun gnus-article-add-buttons (&optional force)
6833 "Find external references in the article and make buttons of them.
6834 \"External references\" are things like Message-IDs and URLs, as
6835 specified by `gnus-button-alist'."
6836 (interactive (list 'force))
6838 (set-buffer gnus-article-buffer)
6839 (let ((inhibit-read-only t)
6840 (inhibit-point-motion-hooks t)
6841 (case-fold-search t)
6842 (alist gnus-button-alist)
6844 ;; Remove all old markers.
6845 (let (marker entry new-list)
6846 (while (setq marker (pop gnus-button-marker-list))
6847 (if (or (< marker (point-min)) (>= marker (point-max)))
6848 (push marker new-list)
6850 (when (setq entry (gnus-button-entry))
6851 (put-text-property (match-beginning (nth 1 entry))
6852 (match-end (nth 1 entry))
6853 'gnus-callback nil))
6854 (set-marker marker nil)))
6855 (setq gnus-button-marker-list new-list))
6856 ;; We skip the headers.
6859 (while (setq entry (pop alist))
6860 (setq regexp (eval (car entry)))
6862 (while (re-search-forward regexp nil t)
6863 (let* ((start (and entry (match-beginning (nth 1 entry))))
6864 (end (and entry (match-end (nth 1 entry))))
6865 (from (match-beginning 0)))
6866 (when (and (or (eq t (nth 2 entry))
6867 (eval (nth 2 entry)))
6868 (not (gnus-button-in-region-p
6869 start end 'gnus-callback)))
6870 ;; That optional form returned non-nil, so we add the
6872 (gnus-article-add-button
6873 start end 'gnus-button-push
6874 (car (push (set-marker (make-marker) from)
6875 gnus-button-marker-list))))))))))
6877 ;; Add buttons to the head of an article.
6878 (defun gnus-article-add-buttons-to-head ()
6879 "Add buttons to the head of the article."
6882 (set-buffer gnus-article-buffer)
6884 (let ((inhibit-read-only t)
6885 (inhibit-point-motion-hooks t)
6886 (case-fold-search t)
6887 (alist gnus-header-button-alist)
6889 (article-narrow-to-head)
6891 ;; Each alist entry.
6892 (setq entry (car alist)
6894 (goto-char (point-min))
6895 (while (re-search-forward (car entry) nil t)
6896 ;; Each header matching the entry.
6897 (setq beg (match-beginning 0))
6898 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6899 (match-beginning 0))
6902 (while (re-search-forward (eval (nth 1 entry)) end t)
6903 ;; Each match within a header.
6904 (let* ((entry (cdr entry))
6905 (start (match-beginning (nth 1 entry)))
6906 (end (match-end (nth 1 entry)))
6907 (form (nth 2 entry)))
6908 (goto-char (match-end 0))
6910 (gnus-article-add-button
6911 start end (nth 3 entry)
6912 (buffer-substring (match-beginning (nth 4 entry))
6913 (match-end (nth 4 entry)))))))
6914 (goto-char end)))))))
6916 ;;; External functions:
6918 (defun gnus-article-add-button (from to fun &optional data)
6919 "Create a button between FROM and TO with callback FUN and data DATA."
6920 (when gnus-article-button-face
6921 (gnus-overlay-put (gnus-make-overlay from to)
6922 'face gnus-article-button-face))
6923 (gnus-add-text-properties
6925 (nconc (and gnus-article-mouse-face
6926 (list gnus-mouse-face-prop gnus-article-mouse-face))
6927 (list 'gnus-callback fun)
6928 (and data (list 'gnus-data data))))
6929 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6930 :button-keymap gnus-widget-button-keymap))
6932 ;;; Internal functions:
6934 (defun gnus-article-set-globals ()
6936 (set-buffer gnus-summary-buffer)
6937 (gnus-set-global-variables)))
6939 (defun gnus-signature-toggle (end)
6941 (set-buffer gnus-article-buffer)
6942 (let ((inhibit-read-only t)
6943 (inhibit-point-motion-hooks t))
6944 (if (text-property-any end (point-max) 'article-type 'signature)
6946 (gnus-delete-wash-type 'signature)
6947 (gnus-remove-text-properties-when
6948 'article-type 'signature end (point-max)
6949 (cons 'article-type (cons 'signature
6950 gnus-hidden-properties))))
6951 (gnus-add-wash-type 'signature)
6952 (gnus-add-text-properties-when
6953 'article-type nil end (point-max)
6954 (cons 'article-type (cons 'signature
6955 gnus-hidden-properties)))))
6956 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6957 (gnus-set-mode-line 'article))))
6959 (defun gnus-button-entry ()
6960 ;; Return the first entry in `gnus-button-alist' matching this place.
6961 (let ((alist gnus-button-alist)
6964 (setq entry (pop alist))
6965 (if (looking-at (eval (car entry)))
6970 (defun gnus-button-push (marker)
6971 ;; Push button starting at MARKER.
6974 (let* ((entry (gnus-button-entry))
6975 (inhibit-point-motion-hooks t)
6977 (args (mapcar (lambda (group)
6978 (let ((string (match-string group)))
6979 (gnus-set-text-properties
6980 0 (length string) nil string)
6987 (fboundp (symbol-value fun)))
6988 (apply (symbol-value fun) args))
6990 (gnus-message 1 "You must define `%S' to use this button"
6991 (cons fun args)))))))
6993 (defun gnus-parse-news-url (url)
6994 (let (scheme server port group message-id articles)
6997 (goto-char (point-min))
6998 (when (looking-at "\\([A-Za-z]+\\):")
6999 (setq scheme (match-string 1))
7000 (goto-char (match-end 0)))
7001 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7002 (setq server (match-string 1))
7003 (setq port (if (stringp (match-string 3))
7004 (string-to-number (match-string 3))
7006 (goto-char (match-end 0)))
7009 ((looking-at "\\(.*@.*\\)")
7010 (setq message-id (match-string 1)))
7011 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7012 (setq group (match-string 1)
7013 articles (split-string (match-string 2) "-")))
7014 ((looking-at "\\([^/]+\\)/?")
7015 (setq group (match-string 1)))
7017 (error "Unknown news URL syntax"))))
7018 (list scheme server port group message-id articles)))
7020 (defun gnus-button-handle-news (url)
7022 (destructuring-bind (scheme server port group message-id articles)
7023 (gnus-parse-news-url url)
7027 (set-buffer gnus-summary-buffer)
7029 (let ((gnus-refer-article-method
7030 (nconc (list (list 'nntp server))
7031 gnus-refer-article-method))
7032 (nntp-port-number (or port "nntp")))
7033 (gnus-message 7 "Fetching %s with %s"
7034 message-id gnus-refer-article-method)
7035 (gnus-summary-refer-article message-id))
7036 (gnus-summary-refer-article message-id))))
7038 (gnus-button-fetch-group url)))))
7040 (defun gnus-button-handle-man (url)
7042 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7043 (when (eq gnus-button-man-handler 'woman)
7044 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7045 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7046 (funcall gnus-button-man-handler url))
7048 (defun gnus-button-handle-info-url (url)
7049 "Fetch an info URL."
7050 (setq url (mm-subst-char-in-string ?+ ?\ url))
7052 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7053 (gnus-info-find-node
7054 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7056 ")" (gnus-url-unhex-string (match-string 2 url)))))
7057 ((string-match "([^)\"]+)[^\"]+" url)
7059 (gnus-replace-in-string
7060 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7061 (gnus-info-find-node url))
7062 (t (error "Can't parse %s" url))))
7064 (defun gnus-button-handle-info-url-gnome (url)
7065 "Fetch GNOME style info URL."
7066 (setq url (mm-subst-char-in-string ?_ ?\ url))
7067 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7068 (gnus-info-find-node
7070 (gnus-url-unhex-string
7071 (match-string 1 url))
7073 (or (gnus-url-unhex-string
7074 (match-string 2 url))
7076 (error "Can't parse %s" url)))
7078 (defun gnus-button-handle-info-url-kde (url)
7079 "Fetch KDE style info URL."
7080 (gnus-info-find-node (gnus-url-unhex-string url)))
7082 (defun gnus-button-handle-info-keystrokes (url)
7083 "Call `info' when pushing the corresponding URL button."
7084 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7089 (defun gnus-button-message-id (message-id)
7092 (set-buffer gnus-summary-buffer)
7093 (gnus-summary-refer-article message-id)))
7095 (defun gnus-button-fetch-group (address)
7096 "Fetch GROUP specified by ADDRESS."
7097 (if (not (string-match "[:/]" address))
7098 ;; This is just a simple group url.
7099 (gnus-group-read-ephemeral-group address gnus-select-method)
7102 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7104 (error "Can't parse %s" address)
7105 (gnus-group-read-ephemeral-group
7106 (match-string 4 address)
7107 `(nntp ,(match-string 1 address)
7108 (nntp-address ,(match-string 1 address))
7109 (nntp-port-number ,(if (match-end 3)
7110 (match-string 3 address)
7113 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
7115 (defun gnus-url-parse-query-string (query &optional downcase)
7116 (let (retval pairs cur key val)
7117 (setq pairs (split-string query "&"))
7119 (setq cur (car pairs)
7121 (if (not (string-match "=" cur))
7123 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7124 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7126 (setq key (downcase key)))
7127 (setq cur (assoc key retval))
7129 (setcdr cur (cons val (cdr cur)))
7130 (setq retval (cons (list key val) retval)))))
7133 (defun gnus-url-mailto (url)
7134 ;; Send mail to someone
7135 (when (string-match "mailto:/*\\(.*\\)" url)
7136 (setq url (substring url (match-beginning 1) nil)))
7137 (let (to args subject func)
7138 (setq args (gnus-url-parse-query-string
7139 (if (string-match "^\\?" url)
7141 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7142 (concat "to=" (match-string 1 url) "&"
7143 (match-string 2 url))
7144 (concat "to=" url)))
7146 subject (cdr-safe (assoc "subject" args)))
7149 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7152 (message-position-on-field (caar args)))
7153 (insert (gnus-replace-in-string
7154 (mapconcat 'identity (reverse (cdar args)) ", ")
7156 (setq args (cdr args)))
7159 (message-goto-subject))))
7161 (defun gnus-button-embedded-url (address)
7162 "Activate ADDRESS with `browse-url'."
7163 (browse-url (gnus-strip-whitespace address)))
7165 ;;; Next/prev buttons in the article buffer.
7167 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7168 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7170 (defvar gnus-prev-page-map
7171 (let ((map (make-sparse-keymap)))
7172 (unless (>= emacs-major-version 21)
7173 ;; XEmacs doesn't care.
7174 (set-keymap-parent map gnus-article-mode-map))
7175 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7176 (define-key map "\r" 'gnus-button-prev-page)
7179 (defvar gnus-next-page-map
7180 (let ((map (make-sparse-keymap)))
7181 (unless (>= emacs-major-version 21)
7182 ;; XEmacs doesn't care.
7183 (set-keymap-parent map gnus-article-mode-map))
7184 (define-key map gnus-mouse-2 'gnus-button-next-page)
7185 (define-key map "\r" 'gnus-button-next-page)
7188 (defun gnus-insert-prev-page-button ()
7190 (inhibit-read-only t))
7192 gnus-prev-page-line-format nil
7193 `(,@(gnus-local-map-property gnus-prev-page-map)
7195 gnus-callback gnus-article-button-prev-page
7196 article-type annotation))
7197 (widget-convert-button
7199 ;; Exclude a newline.
7202 :action 'gnus-button-prev-page
7203 :button-keymap gnus-prev-page-map)))
7205 (defun gnus-button-next-page (&optional args more-args)
7206 "Go to the next page."
7208 (let ((win (selected-window)))
7209 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7210 (gnus-article-next-page)
7211 (select-window win)))
7213 (defun gnus-button-prev-page (&optional args more-args)
7214 "Go to the prev page."
7216 (let ((win (selected-window)))
7217 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7218 (gnus-article-prev-page)
7219 (select-window win)))
7221 (defun gnus-insert-next-page-button ()
7223 (inhibit-read-only t))
7224 (gnus-eval-format gnus-next-page-line-format nil
7225 `(,@(gnus-local-map-property gnus-next-page-map)
7227 gnus-callback gnus-article-button-next-page
7228 article-type annotation))
7229 (widget-convert-button
7231 ;; Exclude a newline.
7234 :action 'gnus-button-next-page
7235 :button-keymap gnus-next-page-map)))
7237 (defun gnus-article-button-next-page (arg)
7238 "Go to the next page."
7240 (let ((win (selected-window)))
7241 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7242 (gnus-article-next-page)
7243 (select-window win)))
7245 (defun gnus-article-button-prev-page (arg)
7246 "Go to the prev page."
7248 (let ((win (selected-window)))
7249 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7250 (gnus-article-prev-page)
7251 (select-window win)))
7253 (defvar gnus-decode-header-methods
7254 '(mail-decode-encoded-word-region)
7255 "List of methods used to decode headers.
7257 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7258 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7259 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7260 whose names match REGEXP.
7263 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7264 mail-decode-encoded-word-region
7265 (\"chinese\" . rfc1843-decode-region))
7268 (defvar gnus-decode-header-methods-cache nil)
7270 (defun gnus-multi-decode-header (start end)
7271 "Apply the functions from `gnus-encoded-word-methods' that match."
7272 (unless (and gnus-decode-header-methods-cache
7273 (eq gnus-newsgroup-name
7274 (car gnus-decode-header-methods-cache)))
7275 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7278 (nconc gnus-decode-header-methods-cache (list x))
7279 (if (and gnus-newsgroup-name
7280 (string-match (car x) gnus-newsgroup-name))
7281 (nconc gnus-decode-header-methods-cache
7283 gnus-decode-header-methods))
7284 (let ((xlist gnus-decode-header-methods-cache))
7287 (narrow-to-region start end)
7289 (funcall (pop xlist) (point-min) (point-max))))))
7292 ;;; Treatment top-level handling.
7295 (defun gnus-treat-article (condition &optional part-number total-parts type)
7296 (let ((length (- (point-max) (point-min)))
7297 (alist gnus-treatment-function-alist)
7298 (article-goto-body-goes-to-point-min-p t)
7302 (let ((list gnus-article-treat-types))
7304 (when (string-match (pop list) type)
7305 (throw 'found t)))))))
7306 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7308 (gnus-run-hooks 'gnus-part-display-hook)
7309 (dolist (elem alist)
7312 (when (gnus-buffer-live-p gnus-summary-buffer)
7313 (set-buffer gnus-summary-buffer))
7314 (symbol-value (car elem))))
7315 (when (and (or (consp val)
7317 (gnus-treat-predicate val)
7318 (or (not (get (car elem) 'highlight))
7321 (funcall (cadr elem)))))))
7323 ;; Dynamic variables.
7325 (defvar part-number)
7326 (defvar total-parts)
7331 (defun gnus-treat-predicate (val)
7338 (stringp (car val)))
7339 (apply 'gnus-or (mapcar `(lambda (s)
7340 (string-match s ,(or gnus-newsgroup-name "")))
7343 (let ((pred (pop val)))
7346 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7348 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7350 (not (gnus-treat-predicate (car val))))
7352 (equal (car val) type))
7354 (error "%S is not a valid predicate" pred)))))
7360 (eq part-number total-parts))
7364 (error "%S is not a valid value" val))))
7366 (defun gnus-article-encrypt-body (protocol &optional n)
7367 "Encrypt the article body."
7370 (or gnus-article-encrypt-protocol
7371 (completing-read "Encrypt protocol: "
7372 gnus-article-encrypt-protocol-alist
7374 current-prefix-arg))
7375 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7377 (error "Can't find the encrypt protocol %s" protocol))
7378 (if (member gnus-newsgroup-name '("nndraft:delayed"
7381 (error "Can't encrypt the article in group %s"
7382 gnus-newsgroup-name))
7383 (gnus-summary-iterate n
7385 (set-buffer gnus-summary-buffer)
7386 (let ((mail-parse-charset gnus-newsgroup-charset)
7387 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7388 (summary-buffer gnus-summary-buffer)
7390 (gnus-set-global-variables)
7391 (when (gnus-group-read-only-p)
7392 (error "The current newsgroup does not support article encrypt"))
7393 (gnus-summary-show-article t)
7395 (or (mail-header-references gnus-current-headers) ""))
7396 (set-buffer gnus-article-buffer)
7397 (let* ((inhibit-read-only t)
7399 (mapcar (lambda (field)
7400 (and (save-restriction
7401 (message-narrow-to-head)
7402 (goto-char (point-min))
7403 (search-forward field nil t))
7405 (message-narrow-to-field)
7407 (delete-region (point-min) (point-max))
7409 '("Content-Type:" "Content-Transfer-Encoding:"
7410 "Content-Disposition:"))))
7411 (message-narrow-to-head)
7412 (message-remove-header "MIME-Version")
7413 (goto-char (point-max))
7414 (setq point (point))
7415 (insert (apply 'concat headers))
7417 (narrow-to-region point (point-max))
7418 (let ((message-options message-options))
7419 (message-options-set 'message-sender user-mail-address)
7420 (message-options-set 'message-recipients user-mail-address)
7421 (message-options-set 'message-sign-encrypt 'not)
7423 (goto-char (point-min))
7424 (insert "MIME-Version: 1.0\n")
7426 (gnus-summary-edit-article-done
7427 references nil summary-buffer t))
7428 (when gnus-keep-backlog
7429 (gnus-backlog-remove-article
7430 (car gnus-article-current) (cdr gnus-article-current)))
7432 (when (get-buffer gnus-original-article-buffer)
7433 (set-buffer gnus-original-article-buffer)
7434 (setq gnus-original-article nil)))
7435 (when gnus-use-cache
7436 (gnus-cache-update-article
7437 (car gnus-article-current) (cdr gnus-article-current))))))))
7439 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7440 "The following specs can be used:
7441 %t The security MIME type
7444 %D Details if button is pressed")
7446 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7447 "The following specs can be used:
7448 %t The security MIME type
7451 %D Details if button is pressed")
7453 (defvar gnus-mime-security-button-line-format-alist
7454 '((?t gnus-tmp-type ?s)
7455 (?i gnus-tmp-info ?s)
7456 (?d gnus-tmp-details ?s)
7457 (?D gnus-tmp-pressed-details ?s)))
7459 (defvar gnus-mime-security-button-map
7460 (let ((map (make-sparse-keymap)))
7461 (unless (>= (string-to-number emacs-version) 21)
7462 (set-keymap-parent map gnus-article-mode-map))
7463 (define-key map gnus-mouse-2 'gnus-article-push-button)
7464 (define-key map "\r" 'gnus-article-press-button)
7467 (defvar gnus-mime-security-details-buffer nil)
7469 (defvar gnus-mime-security-button-pressed nil)
7471 (defvar gnus-mime-security-show-details-inline t
7472 "If non-nil, show details in the article buffer.")
7474 (defun gnus-mime-security-verify-or-decrypt (handle)
7475 (mm-remove-parts (cdr handle))
7476 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7477 point (inhibit-read-only t))
7479 (goto-char (car region)))
7481 (narrow-to-region (point) (point))
7482 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7483 (let* ((mm-verify-option 'known)
7484 (mm-decrypt-option 'known)
7485 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7486 (unless (eq nparts (cdr handle))
7487 (mm-destroy-parts (cdr handle))
7488 (setcdr handle nparts))))
7489 (setq point (point))
7490 (gnus-mime-display-security handle)
7491 (goto-char (point-max)))
7493 (delete-region (point) (cdr region))
7494 (set-marker (car region) nil)
7495 (set-marker (cdr region) nil))
7498 (defun gnus-mime-security-show-details (handle)
7499 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7501 (gnus-message 5 "No details.")
7502 (if gnus-mime-security-show-details-inline
7503 (let ((gnus-mime-security-button-pressed
7504 (not (get-text-property (point) 'gnus-mime-details)))
7505 (gnus-mime-security-button-line-format
7506 (get-text-property (point) 'gnus-line-format))
7507 (inhibit-read-only t))
7509 (while (eq (get-text-property (point) 'gnus-line-format)
7510 gnus-mime-security-button-line-format)
7514 (narrow-to-region (point) (point))
7515 (gnus-insert-mime-security-button handle))
7516 (delete-region (point)
7517 (or (text-property-not-all
7520 gnus-mime-security-button-line-format)
7523 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7524 (with-current-buffer gnus-mime-security-details-buffer
7527 (setq gnus-mime-security-details-buffer
7528 (gnus-get-buffer-create "*MIME Security Details*")))
7529 (with-current-buffer gnus-mime-security-details-buffer
7531 (goto-char (point-min)))
7532 (pop-to-buffer gnus-mime-security-details-buffer)))))
7534 (defun gnus-mime-security-press-button (handle)
7536 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7537 (gnus-mime-security-show-details handle)
7538 (gnus-mime-security-verify-or-decrypt handle))))
7540 (defun gnus-insert-mime-security-button (handle &optional displayed)
7541 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7544 (or (nth 2 (assoc protocol mm-verify-function-alist))
7545 (nth 2 (assoc protocol mm-decrypt-function-alist))
7547 (if (equal (car handle) "multipart/signed")
7548 " Signed" " Encrypted")
7551 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7554 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7555 gnus-tmp-pressed-details
7557 (setq gnus-tmp-details
7558 (if gnus-tmp-details
7559 (concat "\n" gnus-tmp-details)
7561 (setq gnus-tmp-pressed-details
7562 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7567 gnus-mime-security-button-line-format
7568 gnus-mime-security-button-line-format-alist
7569 `(,@(gnus-local-map-property gnus-mime-security-button-map)
7570 gnus-callback gnus-mime-security-press-button
7571 gnus-line-format ,gnus-mime-security-button-line-format
7572 gnus-mime-details ,gnus-mime-security-button-pressed
7573 article-type annotation
7576 ;; Exclude a newline.
7579 (widget-convert-button
7582 :action 'gnus-widget-press-button
7583 :button-keymap gnus-mime-security-button-map
7585 (lambda (widget/window &optional overlay pos)
7586 ;; Needed to properly clear the message due to a bug in
7587 ;; wid-edit (XEmacs only).
7588 (when (boundp 'help-echo-owns-message)
7589 (setq help-echo-owns-message t))
7592 (aref gnus-mouse-2 0))))))
7594 (defun gnus-mime-display-security (handle)
7596 (narrow-to-region (point) (point))
7597 (unless (gnus-unbuttonized-mime-type-p (car handle))
7598 (gnus-insert-mime-security-button handle))
7599 (gnus-mime-display-mixed (cdr handle))
7602 (unless (gnus-unbuttonized-mime-type-p (car handle))
7603 (let ((gnus-mime-security-button-line-format
7604 gnus-mime-security-button-end-line-format))
7605 (gnus-insert-mime-security-button handle)))
7606 (mm-set-handle-multipart-parameter
7608 (cons (set-marker (make-marker) (point-min))
7609 (set-marker (make-marker) (point-max))))))
7615 (run-hooks 'gnus-art-load-hook)
7617 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7618 ;;; gnus-art.el ends here