(unexec): Make last change conditional on Irix 6.5.
[emacs.git] / lisp / gnus / message.el
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1 ;;; message.el --- composing mail and news messages -*- coding: iso-latin-1 -*-
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; Keywords: mail, news
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
13 ;; any later version.
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
25 ;;; Commentary:
27 ;; This mode provides mail-sending facilities from within Emacs. It
28 ;; consists mainly of large chunks of code from the sendmail.el,
29 ;; gnus-msg.el and rnewspost.el files.
31 ;;; Code:
33 (eval-when-compile
34 (require 'cl)
35 (defvar gnus-list-identifiers)) ; gnus-sum is required where necessary
36 (require 'mailheader)
37 (require 'nnheader)
38 ;; This is apparently necessary even though things are autoloaded:
39 (if (featurep 'xemacs)
40 (require 'mail-abbrevs))
41 (require 'mail-parse)
42 (require 'mml)
44 (defgroup message '((user-mail-address custom-variable)
45 (user-full-name custom-variable))
46 "Mail and news message composing."
47 :link '(custom-manual "(message)Top")
48 :group 'mail
49 :group 'news)
51 (put 'user-mail-address 'custom-type 'string)
52 (put 'user-full-name 'custom-type 'string)
54 (defgroup message-various nil
55 "Various Message Variables"
56 :link '(custom-manual "(message)Various Message Variables")
57 :group 'message)
59 (defgroup message-buffers nil
60 "Message Buffers"
61 :link '(custom-manual "(message)Message Buffers")
62 :group 'message)
64 (defgroup message-sending nil
65 "Message Sending"
66 :link '(custom-manual "(message)Sending Variables")
67 :group 'message)
69 (defgroup message-interface nil
70 "Message Interface"
71 :link '(custom-manual "(message)Interface")
72 :group 'message)
74 (defgroup message-forwarding nil
75 "Message Forwarding"
76 :link '(custom-manual "(message)Forwarding")
77 :group 'message-interface)
79 (defgroup message-insertion nil
80 "Message Insertion"
81 :link '(custom-manual "(message)Insertion")
82 :group 'message)
84 (defgroup message-headers nil
85 "Message Headers"
86 :link '(custom-manual "(message)Message Headers")
87 :group 'message)
89 (defgroup message-news nil
90 "Composing News Messages"
91 :group 'message)
93 (defgroup message-mail nil
94 "Composing Mail Messages"
95 :group 'message)
97 (defgroup message-faces nil
98 "Faces used for message composing."
99 :group 'message
100 :group 'faces)
102 (defcustom message-directory "~/Mail/"
103 "*Directory from which all other mail file variables are derived."
104 :group 'message-various
105 :type 'directory)
107 (defcustom message-max-buffers 10
108 "*How many buffers to keep before starting to kill them off."
109 :group 'message-buffers
110 :type 'integer)
112 (defcustom message-send-rename-function nil
113 "Function called to rename the buffer after sending it."
114 :group 'message-buffers
115 :type '(choice function (const nil)))
117 (defcustom message-fcc-handler-function 'message-output
118 "*A function called to save outgoing articles.
119 This function will be called with the name of the file to store the
120 article in. The default function is `message-output' which saves in Unix
121 mailbox format."
122 :type '(radio (function-item message-output)
123 (function :tag "Other"))
124 :group 'message-sending)
126 (defcustom message-courtesy-message
127 "The following message is a courtesy copy of an article\nthat has been posted to %s as well.\n\n"
128 "*This is inserted at the start of a mailed copy of a posted message.
129 If the string contains the format spec \"%s\", the Newsgroups
130 the article has been posted to will be inserted there.
131 If this variable is nil, no such courtesy message will be added."
132 :group 'message-sending
133 :type 'string)
135 (defcustom message-ignored-bounced-headers "^\\(Received\\|Return-Path\\):"
136 "*Regexp that matches headers to be removed in resent bounced mail."
137 :group 'message-interface
138 :type 'regexp)
140 ;;;###autoload
141 (defcustom message-from-style 'default
142 "*Specifies how \"From\" headers look.
144 If nil, they contain just the return address like:
145 king@grassland.com
146 If `parens', they look like:
147 king@grassland.com (Elvis Parsley)
148 If `angles', they look like:
149 Elvis Parsley <king@grassland.com>
151 Otherwise, most addresses look like `angles', but they look like
152 `parens' if `angles' would need quoting and `parens' would not."
153 :type '(choice (const :tag "simple" nil)
154 (const parens)
155 (const angles)
156 (const default))
157 :group 'message-headers)
159 (defcustom message-syntax-checks nil
160 ;; Guess this one shouldn't be easy to customize...
161 "*Controls what syntax checks should not be performed on outgoing posts.
162 To disable checking of long signatures, for instance, add
163 `(signature . disabled)' to this list.
165 Don't touch this variable unless you really know what you're doing.
167 Checks include `subject-cmsg', `multiple-headers', `sendsys',
168 `message-id', `from', `long-lines', `control-chars', `size',
169 `new-text', `quoting-style', `redirected-followup', `signature',
170 `approved', `sender', `empty', `empty-headers', `message-id', `from',
171 `subject', `shorten-followup-to', `existing-newsgroups',
172 `buffer-file-name', `unchanged', `newsgroups'."
173 :group 'message-news
174 :type '(repeat sexp)) ; Fixme: improve this
176 (defcustom message-required-news-headers
177 '(From Newsgroups Subject Date Message-ID
178 (optional . Organization) Lines
179 (optional . User-Agent))
180 "*Headers to be generated or prompted for when posting an article.
181 RFC977 and RFC1036 require From, Date, Newsgroups, Subject,
182 Message-ID. Organization, Lines, In-Reply-To, Expires, and
183 User-Agent are optional. If don't you want message to insert some
184 header, remove it from this list."
185 :group 'message-news
186 :group 'message-headers
187 :type '(repeat sexp))
189 (defcustom message-required-mail-headers
190 '(From Subject Date (optional . In-Reply-To) Message-ID Lines
191 (optional . User-Agent))
192 "*Headers to be generated or prompted for when mailing a message.
193 RFC822 required that From, Date, To, Subject and Message-ID be
194 included. Organization, Lines and User-Agent are optional."
195 :group 'message-mail
196 :group 'message-headers
197 :type '(repeat sexp))
199 (defcustom message-deletable-headers '(Message-ID Date Lines)
200 "Headers to be deleted if they already exist and were generated by message previously."
201 :group 'message-headers
202 :type 'sexp)
204 (defcustom message-ignored-news-headers
205 "^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:"
206 "*Regexp of headers to be removed unconditionally before posting."
207 :group 'message-news
208 :group 'message-headers
209 :type 'regexp)
211 (defcustom message-ignored-mail-headers "^[GF]cc:\\|^Resent-Fcc:\\|^Xref:"
212 "*Regexp of headers to be removed unconditionally before mailing."
213 :group 'message-mail
214 :group 'message-headers
215 :type 'regexp)
217 (defcustom message-ignored-supersedes-headers "^Path:\\|^Date\\|^NNTP-Posting-Host:\\|^Xref:\\|^Lines:\\|^Received:\\|^X-From-Line:\\|^X-Trace:\\|^X-Complaints-To:\\|Return-Path:\\|^Supersedes:\\|^NNTP-Posting-Date:\\|^X-Trace:\\|^X-Complaints-To:"
218 "*Header lines matching this regexp will be deleted before posting.
219 It's best to delete old Path and Date headers before posting to avoid
220 any confusion."
221 :group 'message-interface
222 :type 'regexp)
224 (defcustom message-subject-re-regexp "^[ \t]*\\([Rr][Ee]:[ \t]*\\)*[ \t]*"
225 "*Regexp matching \"Re: \" in the subject line."
226 :group 'message-various
227 :type 'regexp)
229 ;;;###autoload
230 (defcustom message-signature-separator "^-- *$"
231 "Regexp matching the signature separator."
232 :type 'regexp
233 :group 'message-various)
235 (defcustom message-elide-ellipsis "\n[...]\n\n"
236 "*The string which is inserted for elided text."
237 :type 'string
238 :group 'message-various)
240 (defcustom message-interactive nil
241 "Non-nil means when sending a message wait for and display errors.
242 nil means let mailer mail back a message to report errors."
243 :group 'message-sending
244 :group 'message-mail
245 :type 'boolean)
247 (defcustom message-generate-new-buffers 'unique
248 "*Non-nil means create a new message buffer whenever `message-setup' is called.
249 If this is a function, call that function with three parameters: The type,
250 the to address and the group name. (Any of these may be nil.) The function
251 should return the new buffer name."
252 :group 'message-buffers
253 :type '(choice (const :tag "off" nil)
254 (const :tag "unique" unique)
255 (const :tag "unsent" unsent)
256 (function fun)))
258 (defcustom message-kill-buffer-on-exit nil
259 "*Non-nil means that the message buffer will be killed after sending a message."
260 :group 'message-buffers
261 :type 'boolean)
263 (eval-when-compile
264 (defvar gnus-local-organization))
265 (defcustom message-user-organization
266 (or (and (boundp 'gnus-local-organization)
267 (stringp gnus-local-organization)
268 gnus-local-organization)
269 (getenv "ORGANIZATION")
271 "*String to be used as an Organization header.
272 If t, use `message-user-organization-file'."
273 :group 'message-headers
274 :type '(choice string
275 (const :tag "consult file" t)))
277 ;;;###autoload
278 (defcustom message-user-organization-file "/usr/lib/news/organization"
279 "*Local news organization file."
280 :type 'file
281 :group 'message-headers)
283 (defcustom message-make-forward-subject-function
284 'message-forward-subject-author-subject
285 "*List of functions called to generate subject headers for forwarded messages.
286 The subject generated by the previous function is passed into each
287 successive function.
289 The provided functions are:
291 * `message-forward-subject-author-subject' (Source of article (author or
292 newsgroup)), in brackets followed by the subject
293 * `message-forward-subject-fwd' (Subject of article with 'Fwd:' prepended
294 to it."
295 :group 'message-forwarding
296 :type '(radio (function-item message-forward-subject-author-subject)
297 (function-item message-forward-subject-fwd)
298 (repeat :tag "List of functions" function)))
300 (defcustom message-forward-as-mime t
301 "*If non-nil, forward messages as an inline/rfc822 MIME section. Otherwise, directly inline the old message in the forwarded message."
302 :version "21.1"
303 :group 'message-forwarding
304 :type 'boolean)
306 (defcustom message-forward-show-mml t
307 "*If non-nil, forward messages are shown as mml. Otherwise, forward messages are unchanged."
308 :version "21.1"
309 :group 'message-forwarding
310 :type 'boolean)
312 (defcustom message-forward-before-signature t
313 "*If non-nil, put forwarded message before signature, else after."
314 :group 'message-forwarding
315 :type 'boolean)
317 (defcustom message-wash-forwarded-subjects nil
318 "*If non-nil, try to remove as much old cruft as possible from the subject of messages before generating the new subject of a forward."
319 :group 'message-forwarding
320 :type 'boolean)
322 (defcustom message-ignored-resent-headers "^Return-receipt\\|^X-Gnus\\|^Gnus-Warning:"
323 "*All headers that match this regexp will be deleted when resending a message."
324 :group 'message-interface
325 :type 'regexp)
327 (defcustom message-forward-ignored-headers "^Content-Transfer-Encoding:\\|^X-Gnus"
328 "*All headers that match this regexp will be deleted when forwarding a message."
329 :version "21.1"
330 :group 'message-forwarding
331 :type '(choice (const :tag "None" nil)
332 regexp))
334 (defcustom message-ignored-cited-headers "."
335 "*Delete these headers from the messages you yank."
336 :group 'message-insertion
337 :type 'regexp)
339 (defcustom message-cancel-message "I am canceling my own article.\n"
340 "Message to be inserted in the cancel message."
341 :group 'message-interface
342 :type 'string)
344 ;; Useful to set in site-init.el
345 ;;;###autoload
346 (defcustom message-send-mail-function 'message-send-mail-with-sendmail
347 "Function to call to send the current buffer as mail.
348 The headers should be delimited by a line whose contents match the
349 variable `mail-header-separator'.
351 Valid values include `message-send-mail-with-sendmail' (the default),
352 `message-send-mail-with-mh', `message-send-mail-with-qmail',
353 `smtpmail-send-it' and `feedmail-send-it'.
355 See also `send-mail-function'."
356 :type '(radio (function-item message-send-mail-with-sendmail)
357 (function-item message-send-mail-with-mh)
358 (function-item message-send-mail-with-qmail)
359 (function-item smtpmail-send-it)
360 (function-item feedmail-send-it)
361 (function :tag "Other"))
362 :group 'message-sending
363 :group 'message-mail)
365 (defcustom message-send-news-function 'message-send-news
366 "Function to call to send the current buffer as news.
367 The headers should be delimited by a line whose contents match the
368 variable `mail-header-separator'."
369 :group 'message-sending
370 :group 'message-news
371 :type 'function)
373 (defcustom message-reply-to-function nil
374 "If non-nil, function that should return a list of headers.
375 This function should pick out addresses from the To, Cc, and From headers
376 and respond with new To and Cc headers."
377 :group 'message-interface
378 :type '(choice function (const nil)))
380 (defcustom message-wide-reply-to-function nil
381 "If non-nil, function that should return a list of headers.
382 This function should pick out addresses from the To, Cc, and From headers
383 and respond with new To and Cc headers."
384 :group 'message-interface
385 :type '(choice function (const nil)))
387 (defcustom message-followup-to-function nil
388 "If non-nil, function that should return a list of headers.
389 This function should pick out addresses from the To, Cc, and From headers
390 and respond with new To and Cc headers."
391 :group 'message-interface
392 :type '(choice function (const nil)))
394 (defcustom message-use-followup-to 'ask
395 "*Specifies what to do with Followup-To header.
396 If nil, always ignore the header. If it is t, use its value, but
397 query before using the \"poster\" value. If it is the symbol `ask',
398 always query the user whether to use the value. If it is the symbol
399 `use', always use the value."
400 :group 'message-interface
401 :type '(choice (const :tag "ignore" nil)
402 (const use)
403 (const ask)))
405 (defcustom message-sendmail-f-is-evil nil
406 "*Non-nil means don't add \"-f username\" to the sendmail command line.
407 Doing so would be even more evil than leaving it out."
408 :group 'message-sending
409 :type 'boolean)
411 ;; qmail-related stuff
412 (defcustom message-qmail-inject-program "/var/qmail/bin/qmail-inject"
413 "Location of the qmail-inject program."
414 :group 'message-sending
415 :type 'file)
417 (defcustom message-qmail-inject-args nil
418 "Arguments passed to qmail-inject programs.
419 This should be a list of strings, one string for each argument.
421 For e.g., if you wish to set the envelope sender address so that bounces
422 go to the right place or to deal with listserv's usage of that address, you
423 might set this variable to '(\"-f\" \"you@some.where\")."
424 :group 'message-sending
425 :type '(repeat string))
427 (defvar message-cater-to-broken-inn t
428 "Non-nil means Gnus should not fold the `References' header.
429 Folding `References' makes ancient versions of INN create incorrect
430 NOV lines.")
432 (eval-when-compile
433 (defvar gnus-post-method)
434 (defvar gnus-select-method))
435 (defcustom message-post-method
436 (cond ((and (boundp 'gnus-post-method)
437 (listp gnus-post-method)
438 gnus-post-method)
439 gnus-post-method)
440 ((boundp 'gnus-select-method)
441 gnus-select-method)
442 (t '(nnspool "")))
443 "*Method used to post news.
444 Note that when posting from inside Gnus, for instance, this
445 variable isn't used."
446 :group 'message-news
447 :group 'message-sending
448 ;; This should be the `gnus-select-method' widget, but that might
449 ;; create a dependence to `gnus.el'.
450 :type 'sexp)
452 (defcustom message-generate-headers-first nil
453 "*If non-nil, generate all possible headers before composing."
454 :group 'message-headers
455 :type 'boolean)
457 (defcustom message-setup-hook nil
458 "Normal hook, run each time a new outgoing message is initialized.
459 The function `message-setup' runs this hook."
460 :group 'message-various
461 :type 'hook)
463 (defcustom message-cancel-hook nil
464 "Hook run when cancelling articles."
465 :group 'message-various
466 :type 'hook)
468 (defcustom message-signature-setup-hook nil
469 "Normal hook, run each time a new outgoing message is initialized.
470 It is run after the headers have been inserted and before
471 the signature is inserted."
472 :group 'message-various
473 :type 'hook)
475 (defcustom message-mode-hook nil
476 "Hook run in message mode buffers."
477 :group 'message-various
478 :type 'hook)
480 (defcustom message-header-hook nil
481 "Hook run in a message mode buffer narrowed to the headers."
482 :group 'message-various
483 :type 'hook)
485 (defcustom message-header-setup-hook nil
486 "Hook called narrowed to the headers when setting up a message buffer."
487 :group 'message-various
488 :type 'hook)
490 ;;;###autoload
491 (defcustom message-citation-line-function 'message-insert-citation-line
492 "*Function called to insert the \"Whomever writes:\" line."
493 :type 'function
494 :group 'message-insertion)
496 ;;;###autoload
497 (defcustom message-yank-prefix "> "
498 "*Prefix inserted on the lines of yanked messages."
499 :type 'string
500 :group 'message-insertion)
502 (defcustom message-indentation-spaces 3
503 "*Number of spaces to insert at the beginning of each cited line.
504 Used by `message-yank-original' via `message-yank-cite'."
505 :group 'message-insertion
506 :type 'integer)
508 ;;;###autoload
509 (defcustom message-cite-function 'message-cite-original
510 "*Function for citing an original message.
511 Predefined functions include `message-cite-original' and
512 `message-cite-original-without-signature'.
513 Note that `message-cite-original' uses `mail-citation-hook' if that is non-nil."
514 :type '(radio (function-item message-cite-original)
515 (function-item message-cite-original-without-signature)
516 (function-item sc-cite-original)
517 (function :tag "Other"))
518 :group 'message-insertion)
520 ;;;###autoload
521 (defcustom message-indent-citation-function 'message-indent-citation
522 "*Function for modifying a citation just inserted in the mail buffer.
523 This can also be a list of functions. Each function can find the
524 citation between (point) and (mark t). And each function should leave
525 point and mark around the citation text as modified."
526 :type 'function
527 :group 'message-insertion)
529 (defvar message-abbrevs-loaded nil)
531 ;;;###autoload
532 (defcustom message-signature t
533 "*String to be inserted at the end of the message buffer.
534 If t, the `message-signature-file' file will be inserted instead.
535 If a function, the result from the function will be used instead.
536 If a form, the result from the form will be used instead."
537 :type 'sexp
538 :group 'message-insertion)
540 ;;;###autoload
541 (defcustom message-signature-file "~/.signature"
542 "*Name of file containing the text inserted at end of message buffer.
543 Ignored if the named file doesn't exist.
544 If nil, don't insert a signature."
545 :type '(choice file (const :tags "None" nil))
546 :group 'message-insertion)
548 (defcustom message-distribution-function nil
549 "*Function called to return a Distribution header."
550 :group 'message-news
551 :group 'message-headers
552 :type '(choice function (const nil)))
554 (defcustom message-expires 14
555 "Number of days before your article expires."
556 :group 'message-news
557 :group 'message-headers
558 :link '(custom-manual "(message)News Headers")
559 :type 'integer)
561 (defcustom message-user-path nil
562 "If nil, use the NNTP server name in the Path header.
563 If stringp, use this; if non-nil, use no host name (user name only)."
564 :group 'message-news
565 :group 'message-headers
566 :link '(custom-manual "(message)News Headers")
567 :type '(choice (const :tag "nntp" nil)
568 (string :tag "name")
569 (sexp :tag "none" :format "%t" t)))
571 (defvar message-reply-buffer nil)
572 (defvar message-reply-headers nil)
573 (defvar message-newsreader nil)
574 (defvar message-mailer nil)
575 (defvar message-sent-message-via nil)
576 (defvar message-checksum nil)
577 (defvar message-send-actions nil
578 "A list of actions to be performed upon successful sending of a message.")
579 (defvar message-exit-actions nil
580 "A list of actions to be performed upon exiting after sending a message.")
581 (defvar message-kill-actions nil
582 "A list of actions to be performed before killing a message buffer.")
583 (defvar message-postpone-actions nil
584 "A list of actions to be performed after postponing a message.")
586 (define-widget 'message-header-lines 'text
587 "All header lines must be LFD terminated."
588 :format "%{%t%}:%n%v"
589 :valid-regexp "^\\'"
590 :error "All header lines must be newline terminated")
592 (defcustom message-default-headers ""
593 "*A string containing header lines to be inserted in outgoing messages.
594 It is inserted before you edit the message, so you can edit or delete
595 these lines."
596 :group 'message-headers
597 :type 'message-header-lines)
599 (defcustom message-default-mail-headers ""
600 "*A string of header lines to be inserted in outgoing mails."
601 :group 'message-headers
602 :group 'message-mail
603 :type 'message-header-lines)
605 (defcustom message-default-news-headers ""
606 "*A string of header lines to be inserted in outgoing news articles."
607 :group 'message-headers
608 :group 'message-news
609 :type 'message-header-lines)
611 ;; Note: could use /usr/ucb/mail instead of sendmail;
612 ;; options -t, and -v if not interactive.
613 (defcustom message-mailer-swallows-blank-line
614 (if (and (string-match "sparc-sun-sunos\\(\\'\\|[^5]\\)"
615 system-configuration)
616 (file-readable-p "/etc/sendmail.cf")
617 (let ((buffer (get-buffer-create " *temp*")))
618 (unwind-protect
619 (save-excursion
620 (set-buffer buffer)
621 (insert-file-contents "/etc/sendmail.cf")
622 (goto-char (point-min))
623 (let ((case-fold-search nil))
624 (re-search-forward "^OR\\>" nil t)))
625 (kill-buffer buffer))))
626 ;; According to RFC822, "The field-name must be composed of printable
627 ;; ASCII characters (i. e., characters that have decimal values between
628 ;; 33 and 126, except colon)", i. e., any chars except ctl chars,
629 ;; space, or colon.
630 '(looking-at "[ \t]\\|[][!\"#$%&'()*+,-./0-9;<=>?@A-Z\\\\^_`a-z{|}~]+:"))
631 "*Set this non-nil if the system's mailer runs the header and body together.
632 \(This problem exists on Sunos 4 when sendmail is run in remote mode.)
633 The value should be an expression to test whether the problem will
634 actually occur."
635 :group 'message-sending
636 :type 'sexp)
638 ;;;###autoload
639 (define-mail-user-agent 'message-user-agent
640 'message-mail 'message-send-and-exit
641 'message-kill-buffer 'message-send-hook)
643 (defvar message-mh-deletable-headers '(Message-ID Date Lines Sender)
644 "If non-nil, delete the deletable headers before feeding to mh.")
646 (defvar message-send-method-alist
647 '((news message-news-p message-send-via-news)
648 (mail message-mail-p message-send-via-mail))
649 "Alist of ways to send outgoing messages.
650 Each element has the form
652 \(TYPE PREDICATE FUNCTION)
654 where TYPE is a symbol that names the method; PREDICATE is a function
655 called without any parameters to determine whether the message is
656 a message of type TYPE; and FUNCTION is a function to be called if
657 PREDICATE returns non-nil. FUNCTION is called with one parameter --
658 the prefix.")
660 (defcustom message-mail-alias-type 'abbrev
661 "*What alias expansion type to use in Message buffers.
662 The default is `abbrev', which uses mailabbrev. nil switches
663 mail aliases off."
664 :group 'message
665 :link '(custom-manual "(message)Mail Aliases")
666 :type '(choice (const :tag "Use Mailabbrev" abbrev)
667 (const :tag "No expansion" nil)))
669 (defcustom message-auto-save-directory
670 (file-name-as-directory (nnheader-concat message-directory "drafts"))
671 "*Directory where Message auto-saves buffers if Gnus isn't running.
672 If nil, Message won't auto-save."
673 :group 'message-buffers
674 :type '(choice directory (const :tag "Don't auto-save" nil)))
676 (defcustom message-buffer-naming-style 'unique
677 "*The way new message buffers are named.
678 Valid valued are `unique' and `unsent'."
679 :version "21.1"
680 :group 'message-buffers
681 :type '(choice (const :tag "unique" unique)
682 (const :tag "unsent" unsent)))
684 (defcustom message-default-charset
685 (and (not (mm-multibyte-p)) 'iso-8859-1)
686 "Default charset used in non-MULE Emacsen.
687 If nil, you might be asked to input the charset."
688 :version "21.1"
689 :group 'message
690 :type 'symbol)
692 (defcustom message-dont-reply-to-names
693 (and (boundp 'rmail-dont-reply-to-names) rmail-dont-reply-to-names)
694 "*A regexp specifying names to prune when doing wide replies.
695 A value of nil means exclude your own name only."
696 :version "21.1"
697 :group 'message
698 :type '(choice (const :tag "Yourself" nil)
699 regexp))
701 ;;; Internal variables.
702 ;;; Well, not really internal.
704 (defvar message-mode-syntax-table
705 (let ((table (copy-syntax-table text-mode-syntax-table)))
706 (modify-syntax-entry ?% ". " table)
707 (modify-syntax-entry ?> ". " table)
708 (modify-syntax-entry ?< ". " table)
709 table)
710 "Syntax table used while in Message mode.")
712 (defvar message-mode-abbrev-table text-mode-abbrev-table
713 "Abbrev table used in Message mode buffers.
714 Defaults to `text-mode-abbrev-table'.")
716 (defface message-header-to-face
717 '((((class color)
718 (background dark))
719 (:foreground "green2" :weight bold))
720 (((class color)
721 (background light))
722 (:foreground "MidnightBlue" :weight bold))
724 (:weight bold :slant italic)))
725 "Face used for displaying From headers."
726 :group 'message-faces)
728 (defface message-header-cc-face
729 '((((class color)
730 (background dark))
731 (:foreground "green4" :weight bold))
732 (((class color)
733 (background light))
734 (:foreground "MidnightBlue"))
736 (:weight bold)))
737 "Face used for displaying Cc headers."
738 :group 'message-faces)
740 (defface message-header-subject-face
741 '((((class color)
742 (background dark))
743 (:foreground "green3"))
744 (((class color)
745 (background light))
746 (:foreground "navy blue" :weight bold))
748 (:weight bold)))
749 "Face used for displaying subject headers."
750 :group 'message-faces)
752 (defface message-header-newsgroups-face
753 '((((class color)
754 (background dark))
755 (:foreground "yellow" :weight bold :slant italic))
756 (((class color)
757 (background light))
758 (:foreground "blue4" :weight bold :slant italic))
760 (:weight bold :slant italic)))
761 "Face used for displaying newsgroups headers."
762 :group 'message-faces)
764 (defface message-header-other-face
765 '((((class color)
766 (background dark))
767 (:foreground "#b00000"))
768 (((class color)
769 (background light))
770 (:foreground "steel blue"))
772 (:weight bold :slant italic)))
773 "Face used for displaying newsgroups headers."
774 :group 'message-faces)
776 (defface message-header-name-face
777 '((((class color)
778 (background dark))
779 (:foreground "DarkGreen"))
780 (((class color)
781 (background light))
782 (:foreground "cornflower blue"))
784 (:weight bold)))
785 "Face used for displaying header names."
786 :group 'message-faces)
788 (defface message-header-xheader-face
789 '((((class color)
790 (background dark))
791 (:foreground "blue"))
792 (((class color)
793 (background light))
794 (:foreground "blue"))
796 (:weight bold)))
797 "Face used for displaying X-Header headers."
798 :group 'message-faces)
800 (defface message-separator-face
801 '((((class color)
802 (background dark))
803 (:foreground "blue3"))
804 (((class color)
805 (background light))
806 (:foreground "brown"))
808 (:weight bold)))
809 "Face used for displaying the separator."
810 :group 'message-faces)
812 (defface message-cited-text-face
813 '((((class color)
814 (background dark))
815 (:foreground "red"))
816 (((class color)
817 (background light))
818 (:foreground "red"))
820 (:weight bold)))
821 "Face used for displaying cited text names."
822 :group 'message-faces)
824 (defface message-mml-face
825 '((((class color)
826 (background dark))
827 (:foreground "ForestGreen"))
828 (((class color)
829 (background light))
830 (:foreground "ForestGreen"))
832 (:weight bold)))
833 "Face used for displaying MML."
834 :group 'message-faces)
836 (defvar message-font-lock-keywords
837 (let* ((cite-prefix "[:alpha:]")
838 (cite-suffix (concat cite-prefix "0-9_.@-"))
839 (content "[ \t]*\\(.+\\(\n[ \t].*\\)*\\)\n?"))
840 `((,(concat "^\\([Tt]o:\\)" content)
841 (1 'message-header-name-face)
842 (2 'message-header-to-face nil t))
843 (,(concat "^\\(^[GBF]?[Cc][Cc]:\\|^[Rr]eply-[Tt]o:\\)" content)
844 (1 'message-header-name-face)
845 (2 'message-header-cc-face nil t))
846 (,(concat "^\\([Ss]ubject:\\)" content)
847 (1 'message-header-name-face)
848 (2 'message-header-subject-face nil t))
849 (,(concat "^\\([Nn]ewsgroups:\\|Followup-[Tt]o:\\)" content)
850 (1 'message-header-name-face)
851 (2 'message-header-newsgroups-face nil t))
852 (,(concat "^\\([A-Z][^: \n\t]+:\\)" content)
853 (1 'message-header-name-face)
854 (2 'message-header-other-face nil t))
855 (,(concat "^\\(X-[A-Za-z0-9-]+\\|In-Reply-To\\):" content)
856 (1 'message-header-name-face)
857 (2 'message-header-name-face))
858 ,@(if (and mail-header-separator
859 (not (equal mail-header-separator "")))
860 `((,(concat "^\\(" (regexp-quote mail-header-separator) "\\)$")
861 1 'message-separator-face))
862 nil)
863 (,(concat "^[ \t]*"
864 "\\([" cite-prefix "]+[" cite-suffix "]*\\)?"
865 "[:>|}].*")
866 (0 'message-cited-text-face))
867 ("<#/?\\(multipart\\|part\\|external\\|mml\\).*>"
868 (0 'message-mml-face))))
869 "Additional expressions to highlight in Message mode.")
871 ;; XEmacs does it like this. For Emacs, we have to set the
872 ;; `font-lock-defaults' buffer-local variable.
873 (put 'message-mode 'font-lock-defaults '(message-font-lock-keywords t))
875 (defvar message-face-alist
876 '((bold . bold-region)
877 (underline . underline-region)
878 (default . (lambda (b e)
879 (unbold-region b e)
880 (ununderline-region b e))))
881 "Alist of mail and news faces for facemenu.
882 The cdr of ech entry is a function for applying the face to a region.")
884 (defcustom message-send-hook nil
885 "Hook run before sending messages."
886 :group 'message-various
887 :options '(ispell-message)
888 :type 'hook)
890 (defcustom message-send-mail-hook nil
891 "Hook run before sending mail messages."
892 :group 'message-various
893 :type 'hook)
895 (defcustom message-send-news-hook nil
896 "Hook run before sending news messages."
897 :group 'message-various
898 :type 'hook)
900 (defcustom message-sent-hook nil
901 "Hook run after sending messages."
902 :group 'message-various
903 :type 'hook)
905 (defvar message-send-coding-system 'binary
906 "Coding system to encode outgoing mail.")
908 (defvar message-draft-coding-system
909 mm-auto-save-coding-system
910 "Coding system to compose mail.")
912 (defcustom message-send-mail-partially-limit 1000000
913 "The limitation of messages sent as message/partial.
914 The lower bound of message size in characters, beyond which the message
915 should be sent in several parts. If it is nil, the size is unlimited."
916 :version "21.1"
917 :group 'message-buffers
918 :type '(choice (const :tag "unlimited" nil)
919 (integer 1000000)))
921 (defcustom message-alternative-emails nil
922 "A regexp to match the alternative email addresses.
923 The first matched address (not primary one) is used in the From field."
924 :group 'message-headers
925 :type '(choice (const :tag "Always use primary" nil)
926 regexp))
928 (defcustom message-mail-user-agent nil
929 "Like `mail-user-agent'.
930 Except if it is nil, use Gnus native MUA; if it is t, use
931 `mail-user-agent'."
932 :type '(radio (const :tag "Gnus native"
933 :format "%t\n"
934 nil)
935 (const :tag "`mail-user-agent'"
936 :format "%t\n"
938 (function-item :tag "Default Emacs mail"
939 :format "%t\n"
940 sendmail-user-agent)
941 (function-item :tag "Emacs interface to MH"
942 :format "%t\n"
943 mh-e-user-agent)
944 (function :tag "Other"))
945 :version "21.1"
946 :group 'message)
948 ;;; Internal variables.
950 (defvar message-sending-message "Sending...")
951 (defvar message-buffer-list nil)
952 (defvar message-this-is-news nil)
953 (defvar message-this-is-mail nil)
954 (defvar message-draft-article nil)
955 (defvar message-mime-part nil)
956 (defvar message-posting-charset nil)
958 ;; Byte-compiler warning
959 (eval-when-compile
960 (defvar gnus-active-hashtb)
961 (defvar gnus-read-active-file))
963 ;;; Regexp matching the delimiter of messages in UNIX mail format
964 ;;; (UNIX From lines), minus the initial ^. It should be a copy
965 ;;; of rmail.el's rmail-unix-mail-delimiter.
966 (defvar message-unix-mail-delimiter
967 (let ((time-zone-regexp
968 (concat "\\([A-Z]?[A-Z]?[A-Z][A-Z]\\( DST\\)?"
969 "\\|[-+]?[0-9][0-9][0-9][0-9]"
970 "\\|"
971 "\\) *")))
972 (concat
973 "From "
975 ;; Many things can happen to an RFC 822 mailbox before it is put into
976 ;; a `From' line. The leading phrase can be stripped, e.g.
977 ;; `Joe <@w.x:joe@y.z>' -> `<@w.x:joe@y.z>'. The <> can be stripped, e.g.
978 ;; `<@x.y:joe@y.z>' -> `@x.y:joe@y.z'. Everything starting with a CRLF
979 ;; can be removed, e.g.
980 ;; From: joe@y.z (Joe K
981 ;; User)
982 ;; can yield `From joe@y.z (Joe K Fri Mar 22 08:11:15 1996', and
983 ;; From: Joe User
984 ;; <joe@y.z>
985 ;; can yield `From Joe User Fri Mar 22 08:11:15 1996'.
986 ;; The mailbox can be removed or be replaced by white space, e.g.
987 ;; From: "Joe User"{space}{tab}
988 ;; <joe@y.z>
989 ;; can yield `From {space}{tab} Fri Mar 22 08:11:15 1996',
990 ;; where {space} and {tab} represent the Ascii space and tab characters.
991 ;; We want to match the results of any of these manglings.
992 ;; The following regexp rejects names whose first characters are
993 ;; obviously bogus, but after that anything goes.
994 "\\([^\0-\b\n-\r\^?].*\\)? "
996 ;; The time the message was sent.
997 "\\([^\0-\r \^?]+\\) +" ; day of the week
998 "\\([^\0-\r \^?]+\\) +" ; month
999 "\\([0-3]?[0-9]\\) +" ; day of month
1000 "\\([0-2][0-9]:[0-5][0-9]\\(:[0-6][0-9]\\)?\\) *" ; time of day
1002 ;; Perhaps a time zone, specified by an abbreviation, or by a
1003 ;; numeric offset.
1004 time-zone-regexp
1006 ;; The year.
1007 " \\([0-9][0-9]+\\) *"
1009 ;; On some systems the time zone can appear after the year, too.
1010 time-zone-regexp
1012 ;; Old uucp cruft.
1013 "\\(remote from .*\\)?"
1015 "\n"))
1016 "Regexp matching the delimiter of messages in UNIX mail format.")
1018 (defvar message-unsent-separator
1019 (concat "^ *---+ +Unsent message follows +---+ *$\\|"
1020 "^ *---+ +Returned message +---+ *$\\|"
1021 "^Start of returned message$\\|"
1022 "^ *---+ +Original message +---+ *$\\|"
1023 "^ *--+ +begin message +--+ *$\\|"
1024 "^ *---+ +Original message follows +---+ *$\\|"
1025 "^ *---+ +Undelivered message follows +---+ *$\\|"
1026 "^|? *---+ +Message text follows: +---+ *|?$")
1027 "A regexp that matches the separator before the text of a failed message.")
1029 (defvar message-header-format-alist
1030 `((Newsgroups)
1031 (To . message-fill-address)
1032 (Cc . message-fill-address)
1033 (Subject)
1034 (In-Reply-To)
1035 (Fcc)
1036 (Bcc)
1037 (Date)
1038 (Organization)
1039 (Distribution)
1040 (Lines)
1041 (Expires)
1042 (Message-ID)
1043 (References . message-shorten-references)
1044 (User-Agent))
1045 "Alist used for formatting headers.")
1047 (eval-and-compile
1048 (autoload 'message-setup-toolbar "messagexmas")
1049 (autoload 'mh-new-draft-name "mh-comp")
1050 (autoload 'mh-send-letter "mh-comp")
1051 (autoload 'gnus-point-at-eol "gnus-util")
1052 (autoload 'gnus-point-at-bol "gnus-util")
1053 (autoload 'gnus-output-to-rmail "gnus-util")
1054 (autoload 'gnus-output-to-mail "gnus-util")
1055 (autoload 'mail-abbrev-in-expansion-header-p "mailabbrev")
1056 (autoload 'nndraft-request-associate-buffer "nndraft")
1057 (autoload 'nndraft-request-expire-articles "nndraft")
1058 (autoload 'gnus-open-server "gnus-int")
1059 (autoload 'gnus-request-post "gnus-int")
1060 (autoload 'gnus-alive-p "gnus-util")
1061 (autoload 'gnus-group-name-charset "gnus-group")
1062 (autoload 'rmail-output "rmailout"))
1067 ;;; Utility functions.
1070 (defmacro message-y-or-n-p (question show &rest text)
1071 "Ask QUESTION, displaying remaining args in a temporary buffer if SHOW."
1072 `(message-talkative-question 'y-or-n-p ,question ,show ,@text))
1074 (defmacro message-delete-line (&optional n)
1075 "Delete the current line (and the next N lines)."
1076 `(delete-region (progn (beginning-of-line) (point))
1077 (progn (forward-line ,(or n 1)) (point))))
1079 (defun message-unquote-tokens (elems)
1080 "Remove double quotes (\") from strings in list ELEMS."
1081 (mapcar (lambda (item)
1082 (while (string-match "^\\(.*\\)\"\\(.*\\)$" item)
1083 (setq item (concat (match-string 1 item)
1084 (match-string 2 item))))
1085 item)
1086 elems))
1088 (defun message-tokenize-header (header &optional separator)
1089 "Split HEADER into a list of header elements.
1090 SEPARATOR is a string of characters to be used as separators. \",\"
1091 is used by default."
1092 (if (not header)
1094 (let ((regexp (format "[%s]+" (or separator ",")))
1095 (beg 1)
1096 (first t)
1097 quoted elems paren)
1098 (save-excursion
1099 (message-set-work-buffer)
1100 (insert header)
1101 (goto-char (point-min))
1102 (while (not (eobp))
1103 (if first
1104 (setq first nil)
1105 (forward-char 1))
1106 (cond ((and (> (point) beg)
1107 (or (eobp)
1108 (and (looking-at regexp)
1109 (not quoted)
1110 (not paren))))
1111 (push (buffer-substring beg (point)) elems)
1112 (setq beg (match-end 0)))
1113 ((eq (char-after) ?\")
1114 (setq quoted (not quoted)))
1115 ((and (eq (char-after) ?\()
1116 (not quoted))
1117 (setq paren t))
1118 ((and (eq (char-after) ?\))
1119 (not quoted))
1120 (setq paren nil))))
1121 (nreverse elems)))))
1123 (defun message-mail-file-mbox-p (file)
1124 "Say whether FILE looks like a Unix mbox file."
1125 (when (and (file-exists-p file)
1126 (file-readable-p file)
1127 (file-regular-p file))
1128 (with-temp-buffer
1129 (nnheader-insert-file-contents file)
1130 (goto-char (point-min))
1131 (looking-at message-unix-mail-delimiter))))
1133 (defun message-fetch-field (header &optional not-all)
1134 "The same as `mail-fetch-field', only remove all newlines."
1135 (let* ((inhibit-point-motion-hooks t)
1136 (case-fold-search t)
1137 (value (mail-fetch-field header nil (not not-all))))
1138 (when value
1139 (while (string-match "\n[\t ]+" value)
1140 (setq value (replace-match " " t t value)))
1141 (set-text-properties 0 (length value) nil value)
1142 value)))
1144 (defun message-narrow-to-field ()
1145 "Narrow the buffer to the header on the current line."
1146 (beginning-of-line)
1147 (narrow-to-region
1148 (point)
1149 (progn
1150 (forward-line 1)
1151 (if (re-search-forward "^[^ \n\t]" nil t)
1152 (progn
1153 (beginning-of-line)
1154 (point))
1155 (point-max))))
1156 (goto-char (point-min)))
1158 (defun message-add-header (&rest headers)
1159 "Add the HEADERS to the message header, skipping those already present."
1160 (while headers
1161 (let (hclean)
1162 (unless (string-match "^\\([^:]+\\):[ \t]*[^ \t]" (car headers))
1163 (error "Invalid header `%s'" (car headers)))
1164 (setq hclean (match-string 1 (car headers)))
1165 (save-restriction
1166 (message-narrow-to-headers)
1167 (unless (re-search-forward (concat "^" (regexp-quote hclean) ":") nil t)
1168 (insert (car headers) ?\n))))
1169 (setq headers (cdr headers))))
1172 (defun message-fetch-reply-field (header)
1173 "Fetch field HEADER from the message we're replying to."
1174 (when (and message-reply-buffer
1175 (buffer-name message-reply-buffer))
1176 (save-excursion
1177 (set-buffer message-reply-buffer)
1178 (message-fetch-field header))))
1180 (defun message-set-work-buffer ()
1181 (if (get-buffer " *message work*")
1182 (progn
1183 (set-buffer " *message work*")
1184 (erase-buffer))
1185 (set-buffer (get-buffer-create " *message work*"))
1186 (kill-all-local-variables)
1187 (mm-enable-multibyte)))
1189 (defun message-functionp (form)
1190 "Return non-nil if FORM is funcallable."
1191 (or (and (symbolp form) (fboundp form))
1192 (and (listp form) (eq (car form) 'lambda))
1193 (byte-code-function-p form)))
1195 (defun message-strip-list-identifiers (subject)
1196 "Remove list identifiers in `gnus-list-identifiers' from string SUBJECT."
1197 (require 'gnus-sum) ; for gnus-list-identifiers
1198 (let ((regexp (if (stringp gnus-list-identifiers)
1199 gnus-list-identifiers
1200 (mapconcat 'identity gnus-list-identifiers " *\\|"))))
1201 (if (string-match (concat "\\(\\(\\(Re: +\\)?\\(" regexp
1202 " *\\)\\)+\\(Re: +\\)?\\)") subject)
1203 (concat (substring subject 0 (match-beginning 1))
1204 (or (match-string 3 subject)
1205 (match-string 5 subject))
1206 (substring subject
1207 (match-end 1)))
1208 subject)))
1210 (defun message-strip-subject-re (subject)
1211 "Remove \"Re:\" from subject lines in string SUBJECT."
1212 (if (string-match message-subject-re-regexp subject)
1213 (substring subject (match-end 0))
1214 subject))
1216 (defun message-remove-header (header &optional is-regexp first reverse)
1217 "Remove HEADER in the narrowed buffer.
1218 If IS-REGEXP, HEADER is a regular expression.
1219 If FIRST, only remove the first instance of the header.
1220 Return the number of headers removed."
1221 (goto-char (point-min))
1222 (let ((regexp (if is-regexp header (concat "^" (regexp-quote header) ":")))
1223 (number 0)
1224 (case-fold-search t)
1225 last)
1226 (while (and (not (eobp))
1227 (not last))
1228 (if (if reverse
1229 (not (looking-at regexp))
1230 (looking-at regexp))
1231 (progn
1232 (incf number)
1233 (when first
1234 (setq last t))
1235 (delete-region
1236 (point)
1237 ;; There might be a continuation header, so we have to search
1238 ;; until we find a new non-continuation line.
1239 (progn
1240 (forward-line 1)
1241 (if (re-search-forward "^[^ \t]" nil t)
1242 (goto-char (match-beginning 0))
1243 (point-max)))))
1244 (forward-line 1)
1245 (if (re-search-forward "^[^ \t]" nil t)
1246 (goto-char (match-beginning 0))
1247 (goto-char (point-max)))))
1248 number))
1250 (defun message-remove-first-header (header)
1251 "Remove the first instance of HEADER if there is more than one."
1252 (let ((count 0)
1253 (regexp (concat "^" (regexp-quote header) ":")))
1254 (save-excursion
1255 (goto-char (point-min))
1256 (while (re-search-forward regexp nil t)
1257 (incf count)))
1258 (while (> count 1)
1259 (message-remove-header header nil t)
1260 (decf count))))
1262 (defun message-narrow-to-headers ()
1263 "Narrow the buffer to the head of the message."
1264 (widen)
1265 (narrow-to-region
1266 (goto-char (point-min))
1267 (if (re-search-forward
1268 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1269 (match-beginning 0)
1270 (point-max)))
1271 (goto-char (point-min)))
1273 (defun message-narrow-to-head-1 ()
1274 "Like `message-narrow-to-head'. Don't widen."
1275 (narrow-to-region
1276 (goto-char (point-min))
1277 (if (search-forward "\n\n" nil 1)
1278 (1- (point))
1279 (point-max)))
1280 (goto-char (point-min)))
1282 (defun message-narrow-to-head ()
1283 "Narrow the buffer to the head of the message.
1284 Point is left at the beginning of the narrowed-to region."
1285 (widen)
1286 (message-narrow-to-head-1))
1288 (defun message-narrow-to-headers-or-head ()
1289 "Narrow the buffer to the head of the message."
1290 (widen)
1291 (narrow-to-region
1292 (goto-char (point-min))
1293 (cond
1294 ((re-search-forward
1295 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1296 (match-beginning 0))
1297 ((search-forward "\n\n" nil t)
1298 (1- (point)))
1300 (point-max))))
1301 (goto-char (point-min)))
1303 (defun message-news-p ()
1304 "Say whether the current buffer contains a news message."
1305 (and (not message-this-is-mail)
1306 (or message-this-is-news
1307 (save-excursion
1308 (save-restriction
1309 (message-narrow-to-headers)
1310 (and (message-fetch-field "newsgroups")
1311 (not (message-fetch-field "posted-to"))))))))
1313 (defun message-mail-p ()
1314 "Say whether the current buffer contains a mail message."
1315 (and (not message-this-is-news)
1316 (or message-this-is-mail
1317 (save-excursion
1318 (save-restriction
1319 (message-narrow-to-headers)
1320 (or (message-fetch-field "to")
1321 (message-fetch-field "cc")
1322 (message-fetch-field "bcc")))))))
1324 (defun message-next-header ()
1325 "Go to the beginning of the next header."
1326 (beginning-of-line)
1327 (or (eobp) (forward-char 1))
1328 (not (if (re-search-forward "^[^ \t]" nil t)
1329 (beginning-of-line)
1330 (goto-char (point-max)))))
1332 (defun message-sort-headers-1 ()
1333 "Sort the buffer as headers using `message-rank' text props."
1334 (goto-char (point-min))
1335 (require 'sort)
1336 (sort-subr
1337 nil 'message-next-header
1338 (lambda ()
1339 (message-next-header)
1340 (unless (bobp)
1341 (forward-char -1)))
1342 (lambda ()
1343 (or (get-text-property (point) 'message-rank)
1344 10000))))
1346 (defun message-sort-headers ()
1347 "Sort the headers of the current message according to `message-header-format-alist'."
1348 (interactive)
1349 (save-excursion
1350 (save-restriction
1351 (let ((max (1+ (length message-header-format-alist)))
1352 rank)
1353 (message-narrow-to-headers)
1354 (while (re-search-forward "^[^ \n]+:" nil t)
1355 (put-text-property
1356 (match-beginning 0) (1+ (match-beginning 0))
1357 'message-rank
1358 (if (setq rank (length (memq (assq (intern (buffer-substring
1359 (match-beginning 0)
1360 (1- (match-end 0))))
1361 message-header-format-alist)
1362 message-header-format-alist)))
1363 (- max rank)
1364 (1+ max)))))
1365 (message-sort-headers-1))))
1370 ;;; Message mode
1373 ;;; Set up keymap.
1375 (defvar message-mode-map nil)
1377 (unless message-mode-map
1378 (setq message-mode-map (make-keymap))
1379 (set-keymap-parent message-mode-map text-mode-map)
1380 (define-key message-mode-map "\C-c?" 'describe-mode)
1382 (define-key message-mode-map "\C-c\C-f\C-t" 'message-goto-to)
1383 (define-key message-mode-map "\C-c\C-f\C-b" 'message-goto-bcc)
1384 (define-key message-mode-map "\C-c\C-f\C-w" 'message-goto-fcc)
1385 (define-key message-mode-map "\C-c\C-f\C-c" 'message-goto-cc)
1386 (define-key message-mode-map "\C-c\C-f\C-s" 'message-goto-subject)
1387 (define-key message-mode-map "\C-c\C-f\C-r" 'message-goto-reply-to)
1388 (define-key message-mode-map "\C-c\C-f\C-n" 'message-goto-newsgroups)
1389 (define-key message-mode-map "\C-c\C-f\C-d" 'message-goto-distribution)
1390 (define-key message-mode-map "\C-c\C-f\C-f" 'message-goto-followup-to)
1391 (define-key message-mode-map "\C-c\C-f\C-k" 'message-goto-keywords)
1392 (define-key message-mode-map "\C-c\C-f\C-u" 'message-goto-summary)
1393 (define-key message-mode-map "\C-c\C-b" 'message-goto-body)
1394 (define-key message-mode-map "\C-c\C-i" 'message-goto-signature)
1396 (define-key message-mode-map "\C-c\C-t" 'message-insert-to)
1397 (define-key message-mode-map "\C-c\C-n" 'message-insert-newsgroups)
1399 (define-key message-mode-map "\C-c\C-y" 'message-yank-original)
1400 (define-key message-mode-map "\C-c\M-\C-y" 'message-yank-buffer)
1401 (define-key message-mode-map "\C-c\C-q" 'message-fill-yanked-message)
1402 (define-key message-mode-map "\C-c\C-w" 'message-insert-signature)
1403 (define-key message-mode-map "\C-c\M-h" 'message-insert-headers)
1404 (define-key message-mode-map "\C-c\C-r" 'message-caesar-buffer-body)
1405 (define-key message-mode-map "\C-c\C-o" 'message-sort-headers)
1406 (define-key message-mode-map "\C-c\M-r" 'message-rename-buffer)
1408 (define-key message-mode-map "\C-c\C-c" 'message-send-and-exit)
1409 (define-key message-mode-map "\C-c\C-s" 'message-send)
1410 (define-key message-mode-map "\C-c\C-k" 'message-kill-buffer)
1411 (define-key message-mode-map "\C-c\C-d" 'message-dont-send)
1413 (define-key message-mode-map "\C-c\C-e" 'message-elide-region)
1414 (define-key message-mode-map "\C-c\C-v" 'message-delete-not-region)
1415 (define-key message-mode-map "\C-c\C-z" 'message-kill-to-signature)
1416 (define-key message-mode-map "\M-\r" 'message-newline-and-reformat)
1418 (define-key message-mode-map "\C-c\C-a" 'mml-attach-file)
1420 (define-key message-mode-map "\t" 'message-tab))
1422 (easy-menu-define
1423 message-mode-menu message-mode-map "Message Menu."
1424 '("Message"
1425 ["Sort Headers" message-sort-headers t]
1426 ["Yank Original" message-yank-original t]
1427 ["Fill Yanked Message" message-fill-yanked-message t]
1428 ["Insert Signature" message-insert-signature t]
1429 ["Caesar (rot13) Message" message-caesar-buffer-body t]
1430 ["Caesar (rot13) Region" message-caesar-region (mark t)]
1431 ["Elide Region" message-elide-region (mark t)]
1432 ["Delete Outside Region" message-delete-not-region (mark t)]
1433 ["Kill To Signature" message-kill-to-signature t]
1434 ["Newline and Reformat" message-newline-and-reformat t]
1435 ["Rename buffer" message-rename-buffer t]
1436 ["Spellcheck" ispell-message
1437 :help "Spellcheck this message"]
1438 ["Attach file as MIME" mml-attach-file
1439 :help "Attach a file at point"]
1440 "----"
1441 ["Send Message" message-send-and-exit
1442 :help "Send this message"]
1443 ["Abort Message" message-dont-send
1444 :help "File this draft message and exit"]
1445 ["Kill Message" message-kill-buffer
1446 :help "Delete this message without sending"]))
1448 (easy-menu-define
1449 message-mode-field-menu message-mode-map ""
1450 '("Field"
1451 ["Fetch To" message-insert-to t]
1452 ["Fetch Newsgroups" message-insert-newsgroups t]
1453 "----"
1454 ["To" message-goto-to t]
1455 ["Subject" message-goto-subject t]
1456 ["Cc" message-goto-cc t]
1457 ["Reply-To" message-goto-reply-to t]
1458 ["Summary" message-goto-summary t]
1459 ["Keywords" message-goto-keywords t]
1460 ["Newsgroups" message-goto-newsgroups t]
1461 ["Followup-To" message-goto-followup-to t]
1462 ["Distribution" message-goto-distribution t]
1463 ["Body" message-goto-body t]
1464 ["Signature" message-goto-signature t]))
1466 (eval-when-compile
1467 (defvar facemenu-add-face-function)
1468 (defvar facemenu-remove-face-function))
1470 ;;;###autoload
1471 (defun message-mode ()
1472 "Major mode for editing mail and news to be sent.
1473 Like Text Mode but with these additional commands:\\<message-mode-map>
1474 C-c C-s `message-send' (send the message) C-c C-c `message-send-and-exit'
1475 C-c C-d Postpone sending the message C-c C-k Kill the message
1476 C-c C-f move to a header field (and create it if there isn't):
1477 C-c C-f C-t move to To C-c C-f C-s move to Subject
1478 C-c C-f C-c move to Cc C-c C-f C-b move to Bcc
1479 C-c C-f C-w move to Fcc C-c C-f C-r move to Reply-To
1480 C-c C-f C-u move to Summary C-c C-f C-n move to Newsgroups
1481 C-c C-f C-k move to Keywords C-c C-f C-d move to Distribution
1482 C-c C-f C-f move to Followup-To
1483 C-c C-t `message-insert-to' (add a To header to a news followup)
1484 C-c C-n `message-insert-newsgroups' (add a Newsgroup header to a news reply)
1485 C-c C-b `message-goto-body' (move to beginning of message text).
1486 C-c C-i `message-goto-signature' (move to the beginning of the signature).
1487 C-c C-w `message-insert-signature' (insert `message-signature-file' file).
1488 C-c C-y `message-yank-original' (insert current message, if any).
1489 C-c C-q `message-fill-yanked-message' (fill what was yanked).
1490 C-c C-e `message-elide-region' (elide the text between point and mark).
1491 C-c C-v `message-delete-not-region' (remove the text outside the region).
1492 C-c C-z `message-kill-to-signature' (kill the text up to the signature).
1493 C-c C-r `message-caesar-buffer-body' (rot13 the message body).
1494 C-c C-a `mml-attach-file' (attach a file as MIME).
1495 M-RET `message-newline-and-reformat' (break the line and reformat)."
1496 (interactive)
1497 (if (local-variable-p 'mml-buffer-list (current-buffer))
1498 (mml-destroy-buffers))
1499 (kill-all-local-variables)
1500 (set (make-local-variable 'message-reply-buffer) nil)
1501 (make-local-variable 'message-send-actions)
1502 (make-local-variable 'message-exit-actions)
1503 (make-local-variable 'message-kill-actions)
1504 (make-local-variable 'message-postpone-actions)
1505 (make-local-variable 'message-draft-article)
1506 (make-local-hook 'kill-buffer-hook)
1507 (set-syntax-table message-mode-syntax-table)
1508 (use-local-map message-mode-map)
1509 (setq local-abbrev-table message-mode-abbrev-table)
1510 (setq major-mode 'message-mode)
1511 (setq mode-name "Message")
1512 (setq buffer-offer-save t)
1513 (make-local-variable 'facemenu-add-face-function)
1514 (make-local-variable 'facemenu-remove-face-function)
1515 (setq facemenu-add-face-function
1516 (lambda (face end)
1517 (let ((face-fun (cdr (assq face message-face-alist))))
1518 (if face-fun
1519 (funcall face-fun (point) end)
1520 (error "Face %s not configured for %s mode" face mode-name)))
1522 facemenu-remove-face-function t)
1523 (make-local-variable 'message-reply-headers)
1524 (setq message-reply-headers nil)
1525 (make-local-variable 'message-newsreader)
1526 (make-local-variable 'message-mailer)
1527 (make-local-variable 'message-post-method)
1528 (set (make-local-variable 'message-sent-message-via) nil)
1529 (set (make-local-variable 'message-checksum) nil)
1530 (set (make-local-variable 'message-mime-part) 0)
1531 (message-setup-fill-variables)
1532 ;; Allow using comment commands to add/remove quoting.
1533 (set (make-local-variable 'comment-start) message-yank-prefix)
1534 ;;(when (fboundp 'mail-hist-define-keys)
1535 ;; (mail-hist-define-keys))
1536 (if (featurep 'xemacs)
1537 (message-setup-toolbar)
1538 (set (make-local-variable 'font-lock-defaults)
1539 '(message-font-lock-keywords t))
1540 (if (boundp 'message-tool-bar-map)
1541 (set (make-local-variable 'tool-bar-map) message-tool-bar-map)))
1542 (easy-menu-add message-mode-menu message-mode-map)
1543 (easy-menu-add message-mode-field-menu message-mode-map)
1544 ;; Allow mail alias things.
1545 (when (eq message-mail-alias-type 'abbrev)
1546 (if (fboundp 'mail-abbrevs-setup)
1547 (mail-abbrevs-setup)
1548 (mail-aliases-setup)))
1549 (message-set-auto-save-file-name)
1550 (mm-enable-multibyte)
1551 (make-local-variable 'indent-tabs-mode) ;Turn off tabs for indentation.
1552 (setq indent-tabs-mode nil)
1553 (mml-mode)
1554 (run-hooks 'text-mode-hook 'message-mode-hook))
1556 (defun message-setup-fill-variables ()
1557 "Setup message fill variables."
1558 (make-local-variable 'paragraph-separate)
1559 (make-local-variable 'paragraph-start)
1560 (make-local-variable 'adaptive-fill-regexp)
1561 (unless (boundp 'adaptive-fill-first-line-regexp)
1562 (setq adaptive-fill-first-line-regexp nil))
1563 (make-local-variable 'adaptive-fill-first-line-regexp)
1564 (make-local-variable 'auto-fill-inhibit-regexp)
1565 (let ((quote-prefix-regexp
1566 (concat
1567 "[ \t]*" ; possible initial space
1568 "\\(\\(" (regexp-quote message-yank-prefix) "\\|" ; user's prefix
1569 "\\w+>\\|" ; supercite-style prefix
1570 "[|:>]" ; standard prefix
1571 "\\)[ \t]*\\)+"))) ; possible space after each prefix
1572 (setq paragraph-start
1573 (concat
1574 (regexp-quote mail-header-separator) "$\\|"
1575 "[ \t]*$\\|" ; blank lines
1576 "-- $\\|" ; signature delimiter
1577 "---+$\\|" ; delimiters for forwarded messages
1578 page-delimiter "$\\|" ; spoiler warnings
1579 ".*wrote:$\\|" ; attribution lines
1580 quote-prefix-regexp "$")) ; empty lines in quoted text
1581 (setq paragraph-separate paragraph-start)
1582 (setq adaptive-fill-regexp
1583 (concat quote-prefix-regexp "\\|" adaptive-fill-regexp))
1584 (setq adaptive-fill-first-line-regexp
1585 (concat quote-prefix-regexp "\\|"
1586 adaptive-fill-first-line-regexp))
1587 (setq auto-fill-inhibit-regexp "^[A-Z][^: \n\t]+:")))
1592 ;;; Message mode commands
1595 ;;; Movement commands
1597 (defun message-goto-to ()
1598 "Move point to the To header."
1599 (interactive)
1600 (message-position-on-field "To"))
1602 (defun message-goto-subject ()
1603 "Move point to the Subject header."
1604 (interactive)
1605 (message-position-on-field "Subject"))
1607 (defun message-goto-cc ()
1608 "Move point to the Cc header."
1609 (interactive)
1610 (message-position-on-field "Cc" "To"))
1612 (defun message-goto-bcc ()
1613 "Move point to the Bcc header."
1614 (interactive)
1615 (message-position-on-field "Bcc" "Cc" "To"))
1617 (defun message-goto-fcc ()
1618 "Move point to the Fcc header."
1619 (interactive)
1620 (message-position-on-field "Fcc" "To" "Newsgroups"))
1622 (defun message-goto-reply-to ()
1623 "Move point to the Reply-To header."
1624 (interactive)
1625 (message-position-on-field "Reply-To" "Subject"))
1627 (defun message-goto-newsgroups ()
1628 "Move point to the Newsgroups header."
1629 (interactive)
1630 (message-position-on-field "Newsgroups"))
1632 (defun message-goto-distribution ()
1633 "Move point to the Distribution header."
1634 (interactive)
1635 (message-position-on-field "Distribution"))
1637 (defun message-goto-followup-to ()
1638 "Move point to the Followup-To header."
1639 (interactive)
1640 (message-position-on-field "Followup-To" "Newsgroups"))
1642 (defun message-goto-keywords ()
1643 "Move point to the Keywords header."
1644 (interactive)
1645 (message-position-on-field "Keywords" "Subject"))
1647 (defun message-goto-summary ()
1648 "Move point to the Summary header."
1649 (interactive)
1650 (message-position-on-field "Summary" "Subject"))
1652 (defun message-goto-body ()
1653 "Move point to the beginning of the message body."
1654 (interactive)
1655 (if (looking-at "[ \t]*\n") (expand-abbrev))
1656 (goto-char (point-min))
1657 (or (search-forward (concat "\n" mail-header-separator "\n") nil t)
1658 (search-forward "\n\n" nil t)))
1660 (defun message-goto-eoh ()
1661 "Move point to the end of the headers."
1662 (interactive)
1663 (message-goto-body)
1664 (forward-line -1))
1666 (defun message-goto-signature ()
1667 "Move point to the beginning of the message signature.
1668 If there is no signature in the article, go to the end and
1669 return nil."
1670 (interactive)
1671 (goto-char (point-min))
1672 (if (re-search-forward message-signature-separator nil t)
1673 (forward-line 1)
1674 (goto-char (point-max))
1675 nil))
1679 (defun message-insert-to (&optional force)
1680 "Insert a To header that points to the author of the article being replied to.
1681 If the original author requested not to be sent mail, the function signals
1682 an error.
1683 With the prefix argument FORCE, insert the header anyway."
1684 (interactive "P")
1685 (let ((co (message-fetch-reply-field "mail-copies-to")))
1686 (when (and (null force)
1688 (or (equal (downcase co) "never")
1689 (equal (downcase co) "nobody")))
1690 (error "The user has requested not to have copies sent via mail")))
1691 (when (and (message-position-on-field "To")
1692 (mail-fetch-field "to")
1693 (not (string-match "\\` *\\'" (mail-fetch-field "to"))))
1694 (insert ", "))
1695 (insert (or (message-fetch-reply-field "reply-to")
1696 (message-fetch-reply-field "from") "")))
1698 (defun message-widen-reply ()
1699 "Widen the reply to include maximum recipients."
1700 (interactive)
1701 (let ((follow-to
1702 (and message-reply-buffer
1703 (buffer-name message-reply-buffer)
1704 (save-excursion
1705 (set-buffer message-reply-buffer)
1706 (message-get-reply-headers t)))))
1707 (save-excursion
1708 (save-restriction
1709 (message-narrow-to-headers)
1710 (dolist (elem follow-to)
1711 (message-remove-header (symbol-name (car elem)))
1712 (goto-char (point-min))
1713 (insert (symbol-name (car elem)) ": "
1714 (cdr elem) "\n"))))))
1716 (defun message-insert-newsgroups ()
1717 "Insert the Newsgroups header from the article being replied to."
1718 (interactive)
1719 (when (and (message-position-on-field "Newsgroups")
1720 (mail-fetch-field "newsgroups")
1721 (not (string-match "\\` *\\'" (mail-fetch-field "newsgroups"))))
1722 (insert ","))
1723 (insert (or (message-fetch-reply-field "newsgroups") "")))
1727 ;;; Various commands
1729 (defun message-delete-not-region (beg end)
1730 "Delete everything in the body of the current message outside of the region."
1731 (interactive "r")
1732 (save-excursion
1733 (goto-char end)
1734 (delete-region (point) (if (not (message-goto-signature))
1735 (point)
1736 (forward-line -2)
1737 (point)))
1738 (insert "\n")
1739 (goto-char beg)
1740 (delete-region beg (progn (message-goto-body)
1741 (forward-line 2)
1742 (point))))
1743 (when (message-goto-signature)
1744 (forward-line -2)))
1746 (defun message-kill-to-signature ()
1747 "Deletes all text up to the signature."
1748 (interactive)
1749 (let ((point (point)))
1750 (message-goto-signature)
1751 (unless (eobp)
1752 (forward-line -2))
1753 (kill-region point (point))
1754 (unless (bolp)
1755 (insert "\n"))))
1757 (defun message-newline-and-reformat ()
1758 "Insert four newlines, and then reformat if inside quoted text."
1759 (interactive)
1760 ;; The Latin-1 angle quote looks pretty dubious. -- fx
1761 (let ((prefix "[]>»|:}+ \t]*")
1762 (supercite-thing "[-._[:alnum:]]*[>]+[ \t]*")
1763 quoted point)
1764 (unless (bolp)
1765 (save-excursion
1766 (beginning-of-line)
1767 (when (looking-at (concat prefix
1768 supercite-thing))
1769 (setq quoted (match-string 0))))
1770 (insert "\n"))
1771 (setq point (point))
1772 (insert "\n\n\n")
1773 (delete-region (point) (re-search-forward "[ \t]*"))
1774 (when quoted
1775 (insert quoted))
1776 (fill-paragraph nil)
1777 (goto-char point)
1778 (forward-line 1)))
1780 (defun message-insert-signature (&optional force)
1781 "Insert a signature. See documentation for variable `message-signature'."
1782 (interactive (list 0))
1783 (let* ((signature
1784 (cond
1785 ((and (null message-signature)
1786 (eq force 0))
1787 (save-excursion
1788 (goto-char (point-max))
1789 (not (re-search-backward message-signature-separator nil t))))
1790 ((and (null message-signature)
1791 force)
1793 ((message-functionp message-signature)
1794 (funcall message-signature))
1795 ((listp message-signature)
1796 (eval message-signature))
1797 (t message-signature)))
1798 (signature
1799 (cond ((stringp signature)
1800 signature)
1801 ((and (eq t signature)
1802 message-signature-file
1803 (file-exists-p message-signature-file))
1804 signature))))
1805 (when signature
1806 (goto-char (point-max))
1807 ;; Insert the signature.
1808 (unless (bolp)
1809 (insert "\n"))
1810 (insert "\n-- \n")
1811 (if (eq signature t)
1812 (insert-file-contents message-signature-file)
1813 (insert signature))
1814 (goto-char (point-max))
1815 (or (bolp) (insert "\n")))))
1817 (defun message-elide-region (b e)
1818 "Elide the text in the region.
1819 An ellipsis (from `message-elide-ellipsis') will be inserted where the
1820 text was killed."
1821 (interactive "r")
1822 (kill-region b e)
1823 (insert message-elide-ellipsis))
1825 (defvar message-caesar-translation-table nil)
1827 (defun message-caesar-region (b e &optional n)
1828 "Caesar rotate region B to E by N, default 13, for decrypting netnews."
1829 (interactive
1830 (list
1831 (min (point) (or (mark t) (point)))
1832 (max (point) (or (mark t) (point)))
1833 (when current-prefix-arg
1834 (prefix-numeric-value current-prefix-arg))))
1836 (setq n (if (numberp n) (mod n 26) 13)) ;canonize N
1837 (unless (or (zerop n) ; no action needed for a rot of 0
1838 (= b e)) ; no region to rotate
1839 ;; We build the table, if necessary.
1840 (when (or (not message-caesar-translation-table)
1841 (/= (aref message-caesar-translation-table ?a) (+ ?a n)))
1842 (setq message-caesar-translation-table
1843 (message-make-caesar-translation-table n)))
1844 (translate-region b e message-caesar-translation-table)))
1846 (defun message-make-caesar-translation-table (n)
1847 "Create a rot table with offset N."
1848 (let ((i -1)
1849 (table (make-string 256 0)))
1850 (while (< (incf i) 256)
1851 (aset table i i))
1852 (concat
1853 (substring table 0 ?A)
1854 (substring table (+ ?A n) (+ ?A n (- 26 n)))
1855 (substring table ?A (+ ?A n))
1856 (substring table (+ ?A 26) ?a)
1857 (substring table (+ ?a n) (+ ?a n (- 26 n)))
1858 (substring table ?a (+ ?a n))
1859 (substring table (+ ?a 26) 255))))
1861 (defun message-caesar-buffer-body (&optional rotnum)
1862 "Caesar rotate all letters in the current buffer by 13 places.
1863 Used to encode/decode possibly offensive messages (commonly in rec.humor).
1864 With prefix arg, specifies the number of places to rotate each letter forward.
1865 Mail and USENET news headers are not rotated."
1866 (interactive (if current-prefix-arg
1867 (list (prefix-numeric-value current-prefix-arg))
1868 (list nil)))
1869 (save-excursion
1870 (save-restriction
1871 (when (message-goto-body)
1872 (narrow-to-region (point) (point-max)))
1873 (message-caesar-region (point-min) (point-max) rotnum))))
1875 (defun message-pipe-buffer-body (program)
1876 "Pipe the message body in the current buffer through PROGRAM."
1877 (save-excursion
1878 (save-restriction
1879 (when (message-goto-body)
1880 (narrow-to-region (point) (point-max)))
1881 (shell-command-on-region
1882 (point-min) (point-max) program nil t))))
1884 (defun message-rename-buffer (&optional enter-string)
1885 "Rename the *message* buffer to \"*message* RECIPIENT\".
1886 If the function is run with a prefix, it will ask for a new buffer
1887 name, rather than giving an automatic name."
1888 (interactive "Pbuffer name: ")
1889 (save-excursion
1890 (save-restriction
1891 (goto-char (point-min))
1892 (narrow-to-region (point)
1893 (search-forward mail-header-separator nil 'end))
1894 (let* ((mail-to (or
1895 (if (message-news-p) (message-fetch-field "Newsgroups")
1896 (message-fetch-field "To"))
1897 ""))
1898 (mail-trimmed-to
1899 (if (string-match "," mail-to)
1900 (concat (substring mail-to 0 (match-beginning 0)) ", ...")
1901 mail-to))
1902 (name-default (concat "*message* " mail-trimmed-to))
1903 (name (if enter-string
1904 (read-string "New buffer name: " name-default)
1905 name-default)))
1906 (rename-buffer name t)))))
1908 (defun message-fill-yanked-message (&optional justifyp)
1909 "Fill the paragraphs of a message yanked into this one.
1910 Numeric argument means justify as well."
1911 (interactive "P")
1912 (save-excursion
1913 (goto-char (point-min))
1914 (search-forward (concat "\n" mail-header-separator "\n") nil t)
1915 (let ((fill-prefix message-yank-prefix))
1916 (fill-individual-paragraphs (point) (point-max) justifyp))))
1918 (defun message-indent-citation ()
1919 "Modify text just inserted from a message to be cited.
1920 The inserted text should be the region.
1921 When this function returns, the region is again around the modified text.
1923 Normally, indent each nonblank line `message-indentation-spaces' spaces.
1924 However, if `message-yank-prefix' is non-nil, insert that prefix on each line."
1925 (let ((start (point)))
1926 ;; Remove unwanted headers.
1927 (when message-ignored-cited-headers
1928 (let (all-removed)
1929 (save-restriction
1930 (narrow-to-region
1931 (goto-char start)
1932 (if (search-forward "\n\n" nil t)
1933 (1- (point))
1934 (point)))
1935 (message-remove-header message-ignored-cited-headers t)
1936 (when (= (point-min) (point-max))
1937 (setq all-removed t))
1938 (goto-char (point-max)))
1939 (if all-removed
1940 (goto-char start)
1941 (forward-line 1))))
1942 ;; Delete blank lines at the start of the buffer.
1943 (while (and (point-min)
1944 (eolp)
1945 (not (eobp)))
1946 (message-delete-line))
1947 ;; Delete blank lines at the end of the buffer.
1948 (goto-char (point-max))
1949 (unless (eolp)
1950 (insert "\n"))
1951 (while (and (zerop (forward-line -1))
1952 (looking-at "$"))
1953 (message-delete-line))
1954 ;; Do the indentation.
1955 (if (null message-yank-prefix)
1956 (indent-rigidly start (mark t) message-indentation-spaces)
1957 (save-excursion
1958 (goto-char start)
1959 (while (< (point) (mark t))
1960 (insert message-yank-prefix)
1961 (forward-line 1))))
1962 (goto-char start)))
1964 (defun message-yank-original (&optional arg)
1965 "Insert the message being replied to, if any.
1966 Puts point before the text and mark after.
1967 Normally indents each nonblank line ARG spaces (default 3). However,
1968 if `message-yank-prefix' is non-nil, insert that prefix on each line.
1970 This function uses `message-cite-function' to do the actual citing.
1972 Just \\[universal-argument] as argument means don't indent, insert no
1973 prefix, and don't delete any headers."
1974 (interactive "P")
1975 (let ((modified (buffer-modified-p)))
1976 (when (and message-reply-buffer
1977 message-cite-function)
1978 (delete-windows-on message-reply-buffer t)
1979 (insert-buffer message-reply-buffer)
1980 (unless arg
1981 (funcall message-cite-function))
1982 (message-exchange-point-and-mark)
1983 (unless (bolp)
1984 (insert ?\n))
1985 (unless modified
1986 (setq message-checksum (message-checksum))))))
1988 (defun message-yank-buffer (buffer)
1989 "Insert BUFFER into the current buffer and quote it."
1990 (interactive "bYank buffer: ")
1991 (let ((message-reply-buffer buffer))
1992 (save-window-excursion
1993 (message-yank-original))))
1995 (defun message-buffers ()
1996 "Return a list of active message buffers."
1997 (let (buffers)
1998 (save-excursion
1999 (dolist (buffer (buffer-list t))
2000 (set-buffer buffer)
2001 (when (and (eq major-mode 'message-mode)
2002 (null message-sent-message-via))
2003 (push (buffer-name buffer) buffers))))
2004 (nreverse buffers)))
2006 (defun message-cite-original-without-signature ()
2007 "Cite function in the standard Message manner."
2008 (let ((start (point))
2009 (end (mark t))
2010 (functions
2011 (when message-indent-citation-function
2012 (if (listp message-indent-citation-function)
2013 message-indent-citation-function
2014 (list message-indent-citation-function)))))
2015 (mml-quote-region start end)
2016 ;; Allow undoing.
2017 (undo-boundary)
2018 (goto-char end)
2019 (when (re-search-backward message-signature-separator start t)
2020 ;; Also peel off any blank lines before the signature.
2021 (forward-line -1)
2022 (while (looking-at "^[ \t]*$")
2023 (forward-line -1))
2024 (forward-line 1)
2025 (delete-region (point) end)
2026 (unless (search-backward "\n\n" start t)
2027 ;; Insert a blank line if it is peeled off.
2028 (insert "\n")))
2029 (goto-char start)
2030 (while functions
2031 (funcall (pop functions)))
2032 (when message-citation-line-function
2033 (unless (bolp)
2034 (insert "\n"))
2035 (funcall message-citation-line-function))))
2037 (eval-when-compile (defvar mail-citation-hook)) ;Compiler directive
2038 (defun message-cite-original ()
2039 "Cite function in the standard Message manner."
2040 (if (and (boundp 'mail-citation-hook)
2041 mail-citation-hook)
2042 (run-hooks 'mail-citation-hook)
2043 (let ((start (point))
2044 (end (mark t))
2045 (functions
2046 (when message-indent-citation-function
2047 (if (listp message-indent-citation-function)
2048 message-indent-citation-function
2049 (list message-indent-citation-function)))))
2050 (mml-quote-region start end)
2051 (goto-char start)
2052 (while functions
2053 (funcall (pop functions)))
2054 (when message-citation-line-function
2055 (unless (bolp)
2056 (insert "\n"))
2057 (funcall message-citation-line-function)))))
2059 (defun message-insert-citation-line ()
2060 "Insert a simple citation line."
2061 (when message-reply-headers
2062 (insert (mail-header-from message-reply-headers) " writes:\n\n")))
2064 (defun message-position-on-field (header &rest afters)
2065 (let ((case-fold-search t))
2066 (save-restriction
2067 (narrow-to-region
2068 (goto-char (point-min))
2069 (progn
2070 (re-search-forward
2071 (concat "^" (regexp-quote mail-header-separator) "$"))
2072 (match-beginning 0)))
2073 (goto-char (point-min))
2074 (if (re-search-forward (concat "^" (regexp-quote header) ":") nil t)
2075 (progn
2076 (re-search-forward "^[^ \t]" nil 'move)
2077 (beginning-of-line)
2078 (skip-chars-backward "\n")
2080 (while (and afters
2081 (not (re-search-forward
2082 (concat "^" (regexp-quote (car afters)) ":")
2083 nil t)))
2084 (pop afters))
2085 (when afters
2086 (re-search-forward "^[^ \t]" nil 'move)
2087 (beginning-of-line))
2088 (insert header ": \n")
2089 (forward-char -1)
2090 nil))))
2092 (defun message-remove-signature ()
2093 "Remove the signature from the text between point and mark.
2094 The text will also be indented the normal way."
2095 (save-excursion
2096 (let ((start (point))
2097 mark)
2098 (if (not (re-search-forward message-signature-separator (mark t) t))
2099 ;; No signature here, so we just indent the cited text.
2100 (message-indent-citation)
2101 ;; Find the last non-empty line.
2102 (forward-line -1)
2103 (while (looking-at "[ \t]*$")
2104 (forward-line -1))
2105 (forward-line 1)
2106 (setq mark (set-marker (make-marker) (point)))
2107 (goto-char start)
2108 (message-indent-citation)
2109 ;; Enable undoing the deletion.
2110 (undo-boundary)
2111 (delete-region mark (mark t))
2112 (set-marker mark nil)))))
2117 ;;; Sending messages
2120 (defun message-send-and-exit (&optional arg)
2121 "Send message like `message-send', then, if no errors, exit from mail buffer."
2122 (interactive "P")
2123 (let ((buf (current-buffer))
2124 (actions message-exit-actions))
2125 (when (and (message-send arg)
2126 (buffer-name buf))
2127 (if message-kill-buffer-on-exit
2128 (kill-buffer buf)
2129 (bury-buffer buf)
2130 (when (eq buf (current-buffer))
2131 (message-bury buf)))
2132 (message-do-actions actions)
2133 t)))
2135 (defun message-dont-send ()
2136 "Don't send the message you have been editing."
2137 (interactive)
2138 (set-buffer-modified-p t)
2139 (save-buffer)
2140 (let ((actions message-postpone-actions))
2141 (message-bury (current-buffer))
2142 (message-do-actions actions)))
2144 (defun message-kill-buffer ()
2145 "Kill the current buffer."
2146 (interactive)
2147 (when (or (not (buffer-modified-p))
2148 (yes-or-no-p "Message modified; kill anyway? "))
2149 (let ((actions message-kill-actions))
2150 (setq buffer-file-name nil)
2151 (kill-buffer (current-buffer))
2152 (message-do-actions actions))))
2154 (defun message-bury (buffer)
2155 "Bury this mail BUFFER."
2156 (let ((newbuf (other-buffer buffer)))
2157 (bury-buffer buffer)
2158 (if (and (fboundp 'frame-parameters)
2159 (cdr (assq 'dedicated (frame-parameters)))
2160 (not (null (delq (selected-frame) (visible-frame-list)))))
2161 (delete-frame (selected-frame))
2162 (switch-to-buffer newbuf))))
2164 (defun message-send (&optional arg)
2165 "Send the message in the current buffer.
2166 If `message-interactive' is non-nil, wait for success indication or
2167 error messages, and inform user.
2168 Otherwise any failure is reported in a message back to the user from
2169 the mailer.
2170 The usage of ARG is defined by the instance that called Message.
2171 It should typically alter the sending method in some way or other."
2172 (interactive "P")
2173 ;; Make it possible to undo the coming changes.
2174 (undo-boundary)
2175 (let ((inhibit-read-only t))
2176 (put-text-property (point-min) (point-max) 'read-only nil))
2177 (message-fix-before-sending)
2178 (run-hooks 'message-send-hook)
2179 (message message-sending-message)
2180 (let ((alist message-send-method-alist)
2181 (success t)
2182 elem sent)
2183 (while (and success
2184 (setq elem (pop alist)))
2185 (when (funcall (cadr elem))
2186 (when (and (or (not (memq (car elem)
2187 message-sent-message-via))
2188 (y-or-n-p
2189 (format
2190 "Already sent message via %s; resend? "
2191 (car elem))))
2192 (setq success (funcall (caddr elem) arg)))
2193 (setq sent t))))
2194 (unless (or sent (not success))
2195 (error "No methods specified to send by"))
2196 (when (and success sent)
2197 (message-do-fcc)
2198 (save-excursion
2199 (run-hooks 'message-sent-hook))
2200 (message "Sending...done")
2201 ;; Mark the buffer as unmodified and delete auto-save.
2202 (set-buffer-modified-p nil)
2203 (delete-auto-save-file-if-necessary t)
2204 (message-disassociate-draft)
2205 ;; Delete other mail buffers and stuff.
2206 (message-do-send-housekeeping)
2207 (message-do-actions message-send-actions)
2208 ;; Return success.
2209 t)))
2211 (defun message-send-via-mail (arg)
2212 "Send the current message via mail."
2213 (message-send-mail arg))
2215 (defun message-send-via-news (arg)
2216 "Send the current message via news."
2217 (funcall message-send-news-function arg))
2219 (defmacro message-check (type &rest forms)
2220 "Eval FORMS if TYPE is to be checked."
2221 `(or (message-check-element ,type)
2222 (save-excursion
2223 ,@forms)))
2225 (put 'message-check 'lisp-indent-function 1)
2226 (put 'message-check 'edebug-form-spec '(form body))
2228 (defun message-fix-before-sending ()
2229 "Do various things to make the message nice before sending it."
2230 ;; Make sure there's a newline at the end of the message.
2231 (goto-char (point-max))
2232 (unless (bolp)
2233 (insert "\n"))
2234 ;; Delete all invisible text.
2235 (message-check 'invisible-text
2236 (when (text-property-any (point-min) (point-max) 'invisible t)
2237 (put-text-property (point-min) (point-max) 'invisible nil)
2238 (unless (yes-or-no-p
2239 "Invisible text found and made visible; continue posting? ")
2240 (error "Invisible text found and made visible")))))
2242 (defun message-add-action (action &rest types)
2243 "Add ACTION to be performed when doing an exit of type TYPES."
2244 (let (var)
2245 (while types
2246 (set (setq var (intern (format "message-%s-actions" (pop types))))
2247 (nconc (symbol-value var) (list action))))))
2249 (defun message-do-actions (actions)
2250 "Perform all actions in ACTIONS."
2251 ;; Now perform actions on successful sending.
2252 (while actions
2253 (ignore-errors
2254 (cond
2255 ;; A simple function.
2256 ((message-functionp (car actions))
2257 (funcall (car actions)))
2258 ;; Something to be evaled.
2260 (eval (car actions)))))
2261 (pop actions)))
2263 (defun message-send-mail-partially ()
2264 "Sendmail as message/partial."
2265 ;; replace the header delimiter with a blank line
2266 (goto-char (point-min))
2267 (re-search-forward
2268 (concat "^" (regexp-quote mail-header-separator) "\n"))
2269 (replace-match "\n")
2270 (run-hooks 'message-send-mail-hook)
2271 (let ((p (goto-char (point-min)))
2272 (tembuf (message-generate-new-buffer-clone-locals " message temp"))
2273 (curbuf (current-buffer))
2274 (id (message-make-message-id)) (n 1)
2275 plist total header required-mail-headers)
2276 (while (not (eobp))
2277 (if (< (point-max) (+ p message-send-mail-partially-limit))
2278 (goto-char (point-max))
2279 (goto-char (+ p message-send-mail-partially-limit))
2280 (beginning-of-line)
2281 (if (<= (point) p) (forward-line 1))) ;; In case of bad message.
2282 (push p plist)
2283 (setq p (point)))
2284 (setq total (length plist))
2285 (push (point-max) plist)
2286 (setq plist (nreverse plist))
2287 (unwind-protect
2288 (save-excursion
2289 (setq p (pop plist))
2290 (while plist
2291 (set-buffer curbuf)
2292 (copy-to-buffer tembuf p (car plist))
2293 (set-buffer tembuf)
2294 (goto-char (point-min))
2295 (if header
2296 (progn
2297 (goto-char (point-min))
2298 (narrow-to-region (point) (point))
2299 (insert header))
2300 (message-goto-eoh)
2301 (setq header (buffer-substring (point-min) (point)))
2302 (goto-char (point-min))
2303 (narrow-to-region (point) (point))
2304 (insert header)
2305 (message-remove-header "Mime-Version")
2306 (message-remove-header "Content-Type")
2307 (message-remove-header "Content-Transfer-Encoding")
2308 (message-remove-header "Message-ID")
2309 (message-remove-header "Lines")
2310 (goto-char (point-max))
2311 (insert "Mime-Version: 1.0\n")
2312 (setq header (buffer-substring (point-min) (point-max))))
2313 (goto-char (point-max))
2314 (insert (format "Content-Type: message/partial; id=\"%s\"; number=%d; total=%d\n"
2315 id n total))
2316 (let ((mail-header-separator ""))
2317 (when (memq 'Message-ID message-required-mail-headers)
2318 (insert "Message-ID: " (message-make-message-id) "\n"))
2319 (when (memq 'Lines message-required-mail-headers)
2320 (let ((mail-header-separator ""))
2321 (insert "Lines: " (message-make-lines) "\n")))
2322 (message-goto-subject)
2323 (end-of-line)
2324 (insert (format " (%d/%d)" n total))
2325 (goto-char (point-max))
2326 (insert "\n")
2327 (widen)
2328 (mm-with-unibyte-current-buffer
2329 (funcall message-send-mail-function)))
2330 (setq n (+ n 1))
2331 (setq p (pop plist))
2332 (erase-buffer)))
2333 (kill-buffer tembuf))))
2335 (defun message-send-mail (&optional arg)
2336 (require 'mail-utils)
2337 (let* ((tembuf (message-generate-new-buffer-clone-locals " message temp"))
2338 (case-fold-search nil)
2339 (news (message-news-p))
2340 (mailbuf (current-buffer))
2341 (message-this-is-mail t)
2342 (message-posting-charset
2343 (if (fboundp 'gnus-setup-posting-charset)
2344 (gnus-setup-posting-charset nil)
2345 message-posting-charset)))
2346 (save-restriction
2347 (message-narrow-to-headers)
2348 ;; Insert some headers.
2349 (let ((message-deletable-headers
2350 (if news nil message-deletable-headers)))
2351 (message-generate-headers message-required-mail-headers))
2352 ;; Let the user do all of the above.
2353 (run-hooks 'message-header-hook))
2354 (unwind-protect
2355 (save-excursion
2356 (set-buffer tembuf)
2357 (erase-buffer)
2358 ;; Avoid copying text props.
2359 (insert (with-current-buffer mailbuf
2360 (buffer-substring-no-properties (point-min) (point-max))))
2361 ;; Remove some headers.
2362 (message-encode-message-body)
2363 (save-restriction
2364 (message-narrow-to-headers)
2365 ;; We (re)generate the Lines header.
2366 (when (memq 'Lines message-required-mail-headers)
2367 (message-generate-headers '(Lines)))
2368 ;; Remove some headers.
2369 (message-remove-header message-ignored-mail-headers t)
2370 (let ((mail-parse-charset message-default-charset))
2371 (mail-encode-encoded-word-buffer)))
2372 (goto-char (point-max))
2373 ;; require one newline at the end.
2374 (or (= (preceding-char) ?\n)
2375 (insert ?\n))
2376 (when
2377 (save-restriction
2378 (message-narrow-to-headers)
2379 (and news
2380 (or (message-fetch-field "cc")
2381 (message-fetch-field "to"))
2382 (let ((content-type (message-fetch-field "content-type")))
2384 (not content-type)
2385 (string= "text/plain"
2386 (car
2387 (mail-header-parse-content-type
2388 content-type)))))))
2389 (message-insert-courtesy-copy))
2390 (if (or (not message-send-mail-partially-limit)
2391 (< (point-max) message-send-mail-partially-limit)
2392 (not (y-or-n-p "The message size is too large, should it be sent partially? ")))
2393 (mm-with-unibyte-current-buffer
2394 (funcall message-send-mail-function))
2395 (message-send-mail-partially)))
2396 (kill-buffer tembuf))
2397 (set-buffer mailbuf)
2398 (push 'mail message-sent-message-via)))
2400 (defun message-send-mail-with-sendmail ()
2401 "Send off the prepared buffer with sendmail."
2402 (let ((errbuf (if message-interactive
2403 (message-generate-new-buffer-clone-locals
2404 " sendmail errors")
2406 resend-to-addresses delimline)
2407 (let ((case-fold-search t))
2408 (save-restriction
2409 (message-narrow-to-headers)
2410 (setq resend-to-addresses (message-fetch-field "resent-to")))
2411 ;; Change header-delimiter to be what sendmail expects.
2412 (goto-char (point-min))
2413 (re-search-forward
2414 (concat "^" (regexp-quote mail-header-separator) "\n"))
2415 (replace-match "\n")
2416 (backward-char 1)
2417 (setq delimline (point-marker))
2418 (run-hooks 'message-send-mail-hook)
2419 ;; Insert an extra newline if we need it to work around
2420 ;; Sun's bug that swallows newlines.
2421 (goto-char (1+ delimline))
2422 (when (eval message-mailer-swallows-blank-line)
2423 (newline))
2424 (when message-interactive
2425 (save-excursion
2426 (set-buffer errbuf)
2427 (erase-buffer))))
2428 (let ((default-directory "/")
2429 (coding-system-for-write message-send-coding-system))
2430 (apply 'call-process-region
2431 (append (list (point-min) (point-max)
2432 (if (boundp 'sendmail-program)
2433 sendmail-program
2434 "/usr/lib/sendmail")
2435 nil errbuf nil "-oi")
2436 ;; Always specify who from,
2437 ;; since some systems have broken sendmails.
2438 ;; But some systems are more broken with -f, so
2439 ;; we'll let users override this.
2440 (if (null message-sendmail-f-is-evil)
2441 (list "-f" (message-make-address)))
2442 ;; These mean "report errors by mail"
2443 ;; and "deliver in background".
2444 (if (null message-interactive) '("-oem" "-odb"))
2445 ;; Get the addresses from the message
2446 ;; unless this is a resend.
2447 ;; We must not do that for a resend
2448 ;; because we would find the original addresses.
2449 ;; For a resend, include the specific addresses.
2450 (if resend-to-addresses
2451 (list resend-to-addresses)
2452 '("-t")))))
2453 (when message-interactive
2454 (save-excursion
2455 (set-buffer errbuf)
2456 (goto-char (point-min))
2457 (while (re-search-forward "\n\n* *" nil t)
2458 (replace-match "; "))
2459 (if (not (zerop (buffer-size)))
2460 (error "Sending...failed to %s"
2461 (buffer-substring (point-min) (point-max)))))
2462 (when (bufferp errbuf)
2463 (kill-buffer errbuf)))))
2465 (defun message-send-mail-with-qmail ()
2466 "Pass the prepared message buffer to qmail-inject.
2467 Refer to the documentation for the variable `message-send-mail-function'
2468 to find out how to use this."
2469 ;; replace the header delimiter with a blank line
2470 (goto-char (point-min))
2471 (re-search-forward
2472 (concat "^" (regexp-quote mail-header-separator) "\n"))
2473 (replace-match "\n")
2474 (run-hooks 'message-send-mail-hook)
2475 ;; send the message
2476 (case
2477 (let ((coding-system-for-write message-send-coding-system))
2478 (apply
2479 'call-process-region 1 (point-max) message-qmail-inject-program
2480 nil nil nil
2481 ;; qmail-inject's default behaviour is to look for addresses on the
2482 ;; command line; if there're none, it scans the headers.
2483 ;; yes, it does The Right Thing w.r.t. Resent-To and it's kin.
2485 ;; in general, ALL of qmail-inject's defaults are perfect for simply
2486 ;; reading a formatted (i. e., at least a To: or Resent-To header)
2487 ;; message from stdin.
2489 ;; qmail also has the advantage of not having been raped by
2490 ;; various vendors, so we don't have to allow for that, either --
2491 ;; compare this with message-send-mail-with-sendmail and weep
2492 ;; for sendmail's lost innocence.
2494 ;; all this is way cool coz it lets us keep the arguments entirely
2495 ;; free for -inject-arguments -- a big win for the user and for us
2496 ;; since we don't have to play that double-guessing game and the user
2497 ;; gets full control (no gestapo'ish -f's, for instance). --sj
2498 message-qmail-inject-args))
2499 ;; qmail-inject doesn't say anything on it's stdout/stderr,
2500 ;; we have to look at the retval instead
2501 (0 nil)
2502 (1 (error "qmail-inject reported permanent failure"))
2503 (111 (error "qmail-inject reported transient failure"))
2504 ;; should never happen
2505 (t (error "qmail-inject reported unknown failure"))))
2507 (defun message-send-mail-with-mh ()
2508 "Send the prepared message buffer with mh."
2509 (let ((mh-previous-window-config nil)
2510 (name (mh-new-draft-name)))
2511 (setq buffer-file-name name)
2512 ;; MH wants to generate these headers itself.
2513 (when message-mh-deletable-headers
2514 (let ((headers message-mh-deletable-headers))
2515 (while headers
2516 (goto-char (point-min))
2517 (and (re-search-forward
2518 (concat "^" (symbol-name (car headers)) ": *") nil t)
2519 (message-delete-line))
2520 (pop headers))))
2521 (run-hooks 'message-send-mail-hook)
2522 ;; Pass it on to mh.
2523 (mh-send-letter)))
2525 (defun message-send-news (&optional arg)
2526 (let* ((tembuf (message-generate-new-buffer-clone-locals " *message temp*"))
2527 (case-fold-search nil)
2528 (method (if (message-functionp message-post-method)
2529 (funcall message-post-method arg)
2530 message-post-method))
2531 (group-name-charset (gnus-group-name-charset method ""))
2532 (rfc2047-header-encoding-alist
2533 (if group-name-charset
2534 (cons (cons "Newsgroups" group-name-charset)
2535 rfc2047-header-encoding-alist)
2536 rfc2047-header-encoding-alist))
2537 (messbuf (current-buffer))
2538 (message-syntax-checks
2539 (if arg
2540 (cons '(existing-newsgroups . disabled)
2541 message-syntax-checks)
2542 message-syntax-checks))
2543 (message-this-is-news t)
2544 (message-posting-charset (gnus-setup-posting-charset
2545 (save-restriction
2546 (message-narrow-to-headers-or-head)
2547 (message-fetch-field "Newsgroups"))))
2548 result)
2549 (if (not (message-check-news-body-syntax))
2551 (save-restriction
2552 (message-narrow-to-headers)
2553 ;; Insert some headers.
2554 (message-generate-headers message-required-news-headers)
2555 ;; Let the user do all of the above.
2556 (run-hooks 'message-header-hook))
2557 (if group-name-charset
2558 (setq message-syntax-checks
2559 (cons '(valid-newsgroups . disabled)
2560 message-syntax-checks)))
2561 (message-cleanup-headers)
2562 (if (not (message-check-news-syntax))
2564 (unwind-protect
2565 (save-excursion
2566 (set-buffer tembuf)
2567 (buffer-disable-undo)
2568 (erase-buffer)
2569 ;; Avoid copying text props.
2570 (insert (with-current-buffer messbuf
2571 (buffer-substring-no-properties
2572 (point-min) (point-max))))
2573 (message-encode-message-body)
2574 ;; Remove some headers.
2575 (save-restriction
2576 (message-narrow-to-headers)
2577 ;; We (re)generate the Lines header.
2578 (when (memq 'Lines message-required-mail-headers)
2579 (message-generate-headers '(Lines)))
2580 ;; Remove some headers.
2581 (message-remove-header message-ignored-news-headers t)
2582 (let ((mail-parse-charset message-default-charset))
2583 (mail-encode-encoded-word-buffer)))
2584 (goto-char (point-max))
2585 ;; require one newline at the end.
2586 (or (= (preceding-char) ?\n)
2587 (insert ?\n))
2588 (let ((case-fold-search t))
2589 ;; Remove the delimiter.
2590 (goto-char (point-min))
2591 (re-search-forward
2592 (concat "^" (regexp-quote mail-header-separator) "\n"))
2593 (replace-match "\n")
2594 (backward-char 1))
2595 (run-hooks 'message-send-news-hook)
2596 (gnus-open-server method)
2597 (setq result (let ((mail-header-separator ""))
2598 (gnus-request-post method))))
2599 (kill-buffer tembuf))
2600 (set-buffer messbuf)
2601 (if result
2602 (push 'news message-sent-message-via)
2603 (message "Couldn't send message via news: %s"
2604 (nnheader-get-report (car method)))
2605 nil)))))
2608 ;;; Header generation & syntax checking.
2611 (defun message-check-element (type)
2612 "Return non-nil if this TYPE is not to be checked."
2613 (if (eq message-syntax-checks 'dont-check-for-anything-just-trust-me)
2615 (let ((able (assq type message-syntax-checks)))
2616 (and (consp able)
2617 (eq (cdr able) 'disabled)))))
2619 (defun message-check-news-syntax ()
2620 "Check the syntax of the message."
2621 (save-excursion
2622 (save-restriction
2623 (widen)
2624 ;; We narrow to the headers and check them first.
2625 (save-excursion
2626 (save-restriction
2627 (message-narrow-to-headers)
2628 (message-check-news-header-syntax))))))
2630 (defun message-check-news-header-syntax ()
2631 (and
2632 ;; Check Newsgroups header.
2633 (message-check 'newsgroups
2634 (let ((group (message-fetch-field "newsgroups")))
2636 (and group
2637 (not (string-match "\\`[ \t]*\\'" group)))
2638 (ignore
2639 (message
2640 "The newsgroups field is empty or missing. Posting is denied.")))))
2641 ;; Check the Subject header.
2642 (message-check 'subject
2643 (let* ((case-fold-search t)
2644 (subject (message-fetch-field "subject")))
2646 (and subject
2647 (not (string-match "\\`[ \t]*\\'" subject)))
2648 (ignore
2649 (message
2650 "The subject field is empty or missing. Posting is denied.")))))
2651 ;; Check for commands in Subject.
2652 (message-check 'subject-cmsg
2653 (if (string-match "^cmsg " (message-fetch-field "subject"))
2654 (y-or-n-p
2655 "The control code \"cmsg\" is in the subject. Really post? ")
2657 ;; Check for multiple identical headers.
2658 (message-check 'multiple-headers
2659 (let (found)
2660 (while (and (not found)
2661 (re-search-forward "^[^ \t:]+: " nil t))
2662 (save-excursion
2663 (or (re-search-forward
2664 (concat "^"
2665 (regexp-quote
2666 (setq found
2667 (buffer-substring
2668 (match-beginning 0) (- (match-end 0) 2))))
2669 ":")
2670 nil t)
2671 (setq found nil))))
2672 (if found
2673 (y-or-n-p (format "Multiple %s headers. Really post? " found))
2674 t)))
2675 ;; Check for Version and Sendsys.
2676 (message-check 'sendsys
2677 (if (re-search-forward "^Sendsys:\\|^Version:" nil t)
2678 (y-or-n-p
2679 (format "The article contains a %s command. Really post? "
2680 (buffer-substring (match-beginning 0)
2681 (1- (match-end 0)))))
2683 ;; See whether we can shorten Followup-To.
2684 (message-check 'shorten-followup-to
2685 (let ((newsgroups (message-fetch-field "newsgroups"))
2686 (followup-to (message-fetch-field "followup-to"))
2688 (when (and newsgroups
2689 (string-match "," newsgroups)
2690 (not followup-to)
2691 (not
2692 (zerop
2693 (length
2694 (setq to (completing-read
2695 "Followups to: (default all groups) "
2696 (mapcar (lambda (g) (list g))
2697 (cons "poster"
2698 (message-tokenize-header
2699 newsgroups)))))))))
2700 (goto-char (point-min))
2701 (insert "Followup-To: " to "\n"))
2703 ;; Check "Shoot me".
2704 (message-check 'shoot
2705 (if (re-search-forward
2706 "Message-ID.*.i-did-not-set--mail-host-address--so-shoot-me" nil t)
2707 (y-or-n-p "You appear to have a misconfigured system. Really post? ")
2709 ;; Check for Approved.
2710 (message-check 'approved
2711 (if (re-search-forward "^Approved:" nil t)
2712 (y-or-n-p "The article contains an Approved header. Really post? ")
2714 ;; Check the Message-ID header.
2715 (message-check 'message-id
2716 (let* ((case-fold-search t)
2717 (message-id (message-fetch-field "message-id" t)))
2718 (or (not message-id)
2719 ;; Is there an @ in the ID?
2720 (and (string-match "@" message-id)
2721 ;; Is there a dot in the ID?
2722 (string-match "@[^.]*\\." message-id)
2723 ;; Does the ID end with a dot?
2724 (not (string-match "\\.>" message-id)))
2725 (y-or-n-p
2726 (format "The Message-ID looks strange: \"%s\". Really post? "
2727 message-id)))))
2728 ;; Check the Newsgroups & Followup-To headers.
2729 (message-check 'existing-newsgroups
2730 (let* ((case-fold-search t)
2731 (newsgroups (message-fetch-field "newsgroups"))
2732 (followup-to (message-fetch-field "followup-to"))
2733 (groups (message-tokenize-header
2734 (if followup-to
2735 (concat newsgroups "," followup-to)
2736 newsgroups)))
2737 (hashtb (and (boundp 'gnus-active-hashtb)
2738 gnus-active-hashtb))
2739 errors)
2740 (if (or (not hashtb)
2741 (not (boundp 'gnus-read-active-file))
2742 (not gnus-read-active-file)
2743 (eq gnus-read-active-file 'some))
2745 (while groups
2746 (when (and (not (boundp (intern (car groups) hashtb)))
2747 (not (equal (car groups) "poster")))
2748 (push (car groups) errors))
2749 (pop groups))
2750 (if (not errors)
2752 (y-or-n-p
2753 (format
2754 "Really post to %s unknown group%s: %s? "
2755 (if (= (length errors) 1) "this" "these")
2756 (if (= (length errors) 1) "" "s")
2757 (mapconcat 'identity errors ", ")))))))
2758 ;; Check the Newsgroups & Followup-To headers for syntax errors.
2759 (message-check 'valid-newsgroups
2760 (let ((case-fold-search t)
2761 (headers '("Newsgroups" "Followup-To"))
2762 header error)
2763 (while (and headers (not error))
2764 (when (setq header (mail-fetch-field (car headers)))
2765 (if (or
2766 (not
2767 (string-match
2768 "\\`\\([-+_&.a-zA-Z0-9]+\\)?\\(,[-+_&.a-zA-Z0-9]+\\)*\\'"
2769 header))
2770 (memq
2771 nil (mapcar
2772 (lambda (g)
2773 (not (string-match "\\.\\'\\|\\.\\." g)))
2774 (message-tokenize-header header ","))))
2775 (setq error t)))
2776 (unless error
2777 (pop headers)))
2778 (if (not error)
2780 (y-or-n-p
2781 (format "The %s header looks odd: \"%s\". Really post? "
2782 (car headers) header)))))
2783 (message-check 'repeated-newsgroups
2784 (let ((case-fold-search t)
2785 (headers '("Newsgroups" "Followup-To"))
2786 header error groups group)
2787 (while (and headers
2788 (not error))
2789 (when (setq header (mail-fetch-field (pop headers)))
2790 (setq groups (message-tokenize-header header ","))
2791 (while (setq group (pop groups))
2792 (when (member group groups)
2793 (setq error group
2794 groups nil)))))
2795 (if (not error)
2797 (y-or-n-p
2798 (format "Group %s is repeated in headers. Really post? " error)))))
2799 ;; Check the From header.
2800 (message-check 'from
2801 (let* ((case-fold-search t)
2802 (from (message-fetch-field "from"))
2804 (cond
2805 ((not from)
2806 (message "There is no From line. Posting is denied.")
2807 nil)
2808 ((or (not (string-match
2809 "@[^\\.]*\\."
2810 (setq ad (nth 1 (mail-extract-address-components
2811 from))))) ;larsi@ifi
2812 (string-match "\\.\\." ad) ;larsi@ifi..uio
2813 (string-match "@\\." ad) ;larsi@.ifi.uio
2814 (string-match "\\.$" ad) ;larsi@ifi.uio.
2815 (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
2816 (string-match "(.*).*(.*)" from)) ;(lars) (lars)
2817 (message
2818 "Denied posting -- the From looks strange: \"%s\"." from)
2819 nil)
2820 (t t))))))
2822 (defun message-check-news-body-syntax ()
2823 (and
2824 ;; Check for long lines.
2825 (message-check 'long-lines
2826 (goto-char (point-min))
2827 (re-search-forward
2828 (concat "^" (regexp-quote mail-header-separator) "$"))
2829 (while (and
2830 (progn
2831 (end-of-line)
2832 (< (current-column) 80))
2833 (zerop (forward-line 1))))
2834 (or (bolp)
2835 (eobp)
2836 (y-or-n-p
2837 "You have lines longer than 79 characters. Really post? ")))
2838 ;; Check whether the article is empty.
2839 (message-check 'empty
2840 (goto-char (point-min))
2841 (re-search-forward
2842 (concat "^" (regexp-quote mail-header-separator) "$"))
2843 (forward-line 1)
2844 (let ((b (point)))
2845 (goto-char (point-max))
2846 (re-search-backward message-signature-separator nil t)
2847 (beginning-of-line)
2848 (or (re-search-backward "[^ \n\t]" b t)
2849 (y-or-n-p "Empty article. Really post? "))))
2850 ;; Check for control characters.
2851 (message-check 'control-chars
2852 (if (re-search-forward "[\000-\007\013\015-\032\034-\037\200-\237]" nil t)
2853 (y-or-n-p
2854 "The article contains control characters. Really post? ")
2856 ;; Check excessive size.
2857 (message-check 'size
2858 (if (> (buffer-size) 60000)
2859 (y-or-n-p
2860 (format "The article is %d octets long. Really post? "
2861 (buffer-size)))
2863 ;; Check whether any new text has been added.
2864 (message-check 'new-text
2866 (not message-checksum)
2867 (not (eq (message-checksum) message-checksum))
2868 (y-or-n-p
2869 "It looks like no new text has been added. Really post? ")))
2870 ;; Check the length of the signature.
2871 (message-check 'signature
2872 (goto-char (point-max))
2873 (if (> (count-lines (point) (point-max)) 5)
2874 (y-or-n-p
2875 (format
2876 "Your .sig is %d lines; it should be max 4. Really post? "
2877 (1- (count-lines (point) (point-max)))))
2879 ;; Ensure that text follows last quoted portion.
2880 (message-check 'quoting-style
2881 (goto-char (point-max))
2882 (let ((no-problem t))
2883 (when (search-backward-regexp "^>[^\n]*\n>" nil t)
2884 (setq no-problem nil)
2885 (while (not (eobp))
2886 (when (and (not (eolp)) (looking-at "[^> \t]"))
2887 (setq no-problem t))
2888 (forward-line)))
2889 (if no-problem
2891 (y-or-n-p "Your text should follow quoted text. Really post? "))))))
2893 (defun message-checksum ()
2894 "Return a \"checksum\" for the current buffer."
2895 (let ((sum 0))
2896 (save-excursion
2897 (goto-char (point-min))
2898 (re-search-forward
2899 (concat "^" (regexp-quote mail-header-separator) "$"))
2900 (while (not (eobp))
2901 (when (not (looking-at "[ \t\n]"))
2902 (setq sum (logxor (ash sum 1) (if (natnump sum) 0 1)
2903 (char-after))))
2904 (forward-char 1)))
2905 sum))
2907 (defun message-do-fcc ()
2908 "Process Fcc headers in the current buffer."
2909 (let ((case-fold-search t)
2910 (buf (current-buffer))
2911 list file)
2912 (save-excursion
2913 (set-buffer (get-buffer-create " *message temp*"))
2914 (erase-buffer)
2915 (insert-buffer-substring buf)
2916 (save-restriction
2917 (message-narrow-to-headers)
2918 (while (setq file (message-fetch-field "fcc"))
2919 (push file list)
2920 (message-remove-header "fcc" nil t)))
2921 (message-encode-message-body)
2922 (save-restriction
2923 (message-narrow-to-headers)
2924 (let ((mail-parse-charset message-default-charset)
2925 (rfc2047-header-encoding-alist
2926 (cons '("Newsgroups" . default)
2927 rfc2047-header-encoding-alist)))
2928 (mail-encode-encoded-word-buffer)))
2929 (goto-char (point-min))
2930 (when (re-search-forward
2931 (concat "^" (regexp-quote mail-header-separator) "$")
2932 nil t)
2933 (replace-match "" t t ))
2934 ;; Process FCC operations.
2935 (while list
2936 (setq file (pop list))
2937 (if (string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" file)
2938 ;; Pipe the article to the program in question.
2939 (call-process-region (point-min) (point-max) shell-file-name
2940 nil nil nil shell-command-switch
2941 (match-string 1 file))
2942 ;; Save the article.
2943 (setq file (expand-file-name file))
2944 (unless (file-exists-p (file-name-directory file))
2945 (make-directory (file-name-directory file) t))
2946 (if (and message-fcc-handler-function
2947 (not (eq message-fcc-handler-function 'rmail-output)))
2948 (funcall message-fcc-handler-function file)
2949 (if (and (file-readable-p file) (mail-file-babyl-p file))
2950 (rmail-output file 1 nil t)
2951 (let ((mail-use-rfc822 t))
2952 (rmail-output file 1 t t))))))
2953 (kill-buffer (current-buffer)))))
2955 (defun message-output (filename)
2956 "Append this article to Unix/babyl mail file FILENAME."
2957 (if (and (file-readable-p filename)
2958 (mail-file-babyl-p filename))
2959 (gnus-output-to-rmail filename t)
2960 (gnus-output-to-mail filename t)))
2962 (defun message-cleanup-headers ()
2963 "Do various automatic cleanups of the headers."
2964 ;; Remove empty lines in the header.
2965 (save-restriction
2966 (message-narrow-to-headers)
2967 ;; Remove blank lines.
2968 (while (re-search-forward "^[ \t]*\n" nil t)
2969 (replace-match "" t t))
2971 ;; Correct Newsgroups and Followup-To headers: Change sequence of
2972 ;; spaces to comma and eliminate spaces around commas. Eliminate
2973 ;; embedded line breaks.
2974 (goto-char (point-min))
2975 (while (re-search-forward "^\\(Newsgroups\\|Followup-To\\): +" nil t)
2976 (save-restriction
2977 (narrow-to-region
2978 (point)
2979 (if (re-search-forward "^[^ \t]" nil t)
2980 (match-beginning 0)
2981 (forward-line 1)
2982 (point)))
2983 (goto-char (point-min))
2984 (while (re-search-forward "\n[ \t]+" nil t)
2985 (replace-match " " t t)) ;No line breaks (too confusing)
2986 (goto-char (point-min))
2987 (while (re-search-forward "[ \t\n]*,[ \t\n]*\\|[ \t]+" nil t)
2988 (replace-match "," t t))
2989 (goto-char (point-min))
2990 ;; Remove trailing commas.
2991 (when (re-search-forward ",+$" nil t)
2992 (replace-match "" t t))))))
2994 (defun message-make-date (&optional now)
2995 "Make a valid data header.
2996 If NOW, use that time instead."
2997 (let* ((now (or now (current-time)))
2998 (zone (nth 8 (decode-time now)))
2999 (sign "+"))
3000 (when (< zone 0)
3001 (setq sign "-")
3002 (setq zone (- zone)))
3003 (concat
3004 (format-time-string "%d" now)
3005 ;; The month name of the %b spec is locale-specific. Pfff.
3006 (format " %s "
3007 (capitalize (car (rassoc (nth 4 (decode-time now))
3008 parse-time-months))))
3009 (format-time-string "%Y %H:%M:%S " now)
3010 ;; We do all of this because XEmacs doesn't have the %z spec.
3011 (format "%s%02d%02d" sign (/ zone 3600) (/ (% zone 3600) 60)))))
3013 (defun message-make-message-id ()
3014 "Make a unique Message-ID."
3015 (concat "<" (message-unique-id)
3016 (let ((psubject (save-excursion (message-fetch-field "subject")))
3017 (psupersedes
3018 (save-excursion (message-fetch-field "supersedes"))))
3019 (if (or
3020 (and message-reply-headers
3021 (mail-header-references message-reply-headers)
3022 (mail-header-subject message-reply-headers)
3023 psubject
3024 (not (string=
3025 (message-strip-subject-re
3026 (mail-header-subject message-reply-headers))
3027 (message-strip-subject-re psubject))))
3028 (and psupersedes
3029 (string-match "_-_@" psupersedes)))
3030 "_-_" ""))
3031 "@" (message-make-fqdn) ">"))
3033 (defvar message-unique-id-char nil)
3035 ;; If you ever change this function, make sure the new version
3036 ;; cannot generate IDs that the old version could.
3037 ;; You might for example insert a "." somewhere (not next to another dot
3038 ;; or string boundary), or modify the "fsf" string.
3039 (defun message-unique-id ()
3040 ;; Don't use microseconds from (current-time), they may be unsupported.
3041 ;; Instead we use this randomly inited counter.
3042 (setq message-unique-id-char
3043 (% (1+ (or message-unique-id-char (logand (random t) (1- (lsh 1 20)))))
3044 ;; (current-time) returns 16-bit ints,
3045 ;; and 2^16*25 just fits into 4 digits i base 36.
3046 (* 25 25)))
3047 (let ((tm (current-time)))
3048 (concat
3049 (if (memq system-type '(ms-dos emx vax-vms))
3050 (let ((user (downcase (user-login-name))))
3051 (while (string-match "[^a-z0-9_]" user)
3052 (aset user (match-beginning 0) ?_))
3053 user)
3054 (message-number-base36 (user-uid) -1))
3055 (message-number-base36 (+ (car tm)
3056 (lsh (% message-unique-id-char 25) 16)) 4)
3057 (message-number-base36 (+ (nth 1 tm)
3058 (lsh (/ message-unique-id-char 25) 16)) 4)
3059 ;; Append the newsreader name, because while the generated
3060 ;; ID is unique to this newsreader, other newsreaders might
3061 ;; otherwise generate the same ID via another algorithm.
3062 ".fsf")))
3064 (defun message-number-base36 (num len)
3065 (if (if (< len 0)
3066 (<= num 0)
3067 (= len 0))
3069 (concat (message-number-base36 (/ num 36) (1- len))
3070 (char-to-string (aref "zyxwvutsrqponmlkjihgfedcba9876543210"
3071 (% num 36))))))
3073 (defun message-make-organization ()
3074 "Make an Organization header."
3075 (let* ((organization
3076 (when message-user-organization
3077 (if (message-functionp message-user-organization)
3078 (funcall message-user-organization)
3079 message-user-organization))))
3080 (save-excursion
3081 (message-set-work-buffer)
3082 (cond ((stringp organization)
3083 (insert organization))
3084 ((and (eq t organization)
3085 message-user-organization-file
3086 (file-exists-p message-user-organization-file))
3087 (insert-file-contents message-user-organization-file)))
3088 (goto-char (point-min))
3089 (while (re-search-forward "[\t\n]+" nil t)
3090 (replace-match "" t t))
3091 (unless (zerop (buffer-size))
3092 (buffer-string)))))
3094 (defun message-make-lines ()
3095 "Count the number of lines and return numeric string."
3096 (save-excursion
3097 (save-restriction
3098 (widen)
3099 (goto-char (point-min))
3100 (re-search-forward
3101 (concat "^" (regexp-quote mail-header-separator) "$"))
3102 (forward-line 1)
3103 (int-to-string (count-lines (point) (point-max))))))
3105 (defun message-make-in-reply-to ()
3106 "Return the In-Reply-To header for this message."
3107 (when message-reply-headers
3108 (mail-header-message-id message-reply-headers)))
3110 (defun message-make-distribution ()
3111 "Make a Distribution header."
3112 (let ((orig-distribution (message-fetch-reply-field "distribution")))
3113 (cond ((message-functionp message-distribution-function)
3114 (funcall message-distribution-function))
3115 (t orig-distribution))))
3117 (defun message-make-expires ()
3118 "Return an Expires header based on `message-expires'."
3119 (let ((current (current-time))
3120 (future (* 1.0 message-expires 60 60 24)))
3121 ;; Add the future to current.
3122 (setcar current (+ (car current) (round (/ future (expt 2 16)))))
3123 (setcar (cdr current) (+ (nth 1 current) (% (round future) (expt 2 16))))
3124 (message-make-date current)))
3126 (defun message-make-path ()
3127 "Return uucp path."
3128 (let ((login-name (user-login-name)))
3129 (cond ((null message-user-path)
3130 (concat (system-name) "!" login-name))
3131 ((stringp message-user-path)
3132 ;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com.
3133 (concat message-user-path "!" login-name))
3134 (t login-name))))
3136 (defun message-make-from ()
3137 "Make a From header."
3138 (let* ((style message-from-style)
3139 (login (message-make-address))
3140 (fullname
3141 (or (and (boundp 'user-full-name)
3142 user-full-name)
3143 (user-full-name))))
3144 (when (string= fullname "&")
3145 (setq fullname (user-login-name)))
3146 (save-excursion
3147 (message-set-work-buffer)
3148 (cond
3149 ((or (null style)
3150 (equal fullname ""))
3151 (insert login))
3152 ((or (eq style 'angles)
3153 (and (not (eq style 'parens))
3154 ;; Use angles if no quoting is needed, or if parens would
3155 ;; need quoting too.
3156 (or (not (string-match "[^- !#-'*+/-9=?A-Z^-~]" fullname))
3157 (let ((tmp (concat fullname nil)))
3158 (while (string-match "([^()]*)" tmp)
3159 (aset tmp (match-beginning 0) ?-)
3160 (aset tmp (1- (match-end 0)) ?-))
3161 (string-match "[\\()]" tmp)))))
3162 (insert fullname)
3163 (goto-char (point-min))
3164 ;; Look for a character that cannot appear unquoted
3165 ;; according to RFC 822.
3166 (when (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" nil 1)
3167 ;; Quote fullname, escaping specials.
3168 (goto-char (point-min))
3169 (insert "\"")
3170 (while (re-search-forward "[\"\\]" nil 1)
3171 (replace-match "\\\\\\&" t))
3172 (insert "\""))
3173 (insert " <" login ">"))
3174 (t ; 'parens or default
3175 (insert login " (")
3176 (let ((fullname-start (point)))
3177 (insert fullname)
3178 (goto-char fullname-start)
3179 ;; RFC 822 says \ and nonmatching parentheses
3180 ;; must be escaped in comments.
3181 ;; Escape every instance of ()\ ...
3182 (while (re-search-forward "[()\\]" nil 1)
3183 (replace-match "\\\\\\&" t))
3184 ;; ... then undo escaping of matching parentheses,
3185 ;; including matching nested parentheses.
3186 (goto-char fullname-start)
3187 (while (re-search-forward
3188 "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
3189 nil 1)
3190 (replace-match "\\1(\\3)" t)
3191 (goto-char fullname-start)))
3192 (insert ")")))
3193 (buffer-string))))
3195 (defun message-make-sender ()
3196 "Return the \"real\" user address.
3197 This function tries to ignore all user modifications, and
3198 give as trustworthy answer as possible."
3199 (concat (user-login-name) "@" (system-name)))
3201 (defun message-make-address ()
3202 "Make the address of the user."
3203 (or (message-user-mail-address)
3204 (concat (user-login-name) "@" (message-make-domain))))
3206 (defun message-user-mail-address ()
3207 "Return the pertinent part of `user-mail-address'."
3208 (when user-mail-address
3209 (if (string-match " " user-mail-address)
3210 (nth 1 (mail-extract-address-components user-mail-address))
3211 user-mail-address)))
3213 (defun message-make-fqdn ()
3214 "Return user's fully qualified domain name."
3215 (let ((system-name (system-name))
3216 (user-mail (message-user-mail-address)))
3217 (cond
3218 ((string-match "[^.]\\.[^.]" system-name)
3219 ;; `system-name' returned the right result.
3220 system-name)
3221 ;; Try `mail-host-address'.
3222 ((and (boundp 'mail-host-address)
3223 (stringp mail-host-address)
3224 (string-match "\\." mail-host-address))
3225 mail-host-address)
3226 ;; We try `user-mail-address' as a backup.
3227 ((and user-mail
3228 (string-match "\\." user-mail)
3229 (string-match "@\\(.*\\)\\'" user-mail))
3230 (match-string 1 user-mail))
3231 ;; Default to this bogus thing.
3233 (concat system-name ".i-did-not-set--mail-host-address--so-shoot-me")))))
3235 (defun message-make-host-name ()
3236 "Return the name of the host."
3237 (let ((fqdn (message-make-fqdn)))
3238 (string-match "^[^.]+\\." fqdn)
3239 (substring fqdn 0 (1- (match-end 0)))))
3241 (defun message-make-domain ()
3242 "Return the domain name."
3243 (or mail-host-address
3244 (message-make-fqdn)))
3246 (defun message-generate-headers (headers)
3247 "Prepare article HEADERS.
3248 Headers already prepared in the buffer are not modified."
3249 (save-restriction
3250 (message-narrow-to-headers)
3251 (let* ((Date (message-make-date))
3252 (Message-ID (message-make-message-id))
3253 (Organization (message-make-organization))
3254 (From (message-make-from))
3255 (Path (message-make-path))
3256 (Subject nil)
3257 (Newsgroups nil)
3258 (In-Reply-To (message-make-in-reply-to))
3259 (To nil)
3260 (Distribution (message-make-distribution))
3261 (Lines (message-make-lines))
3262 (User-Agent message-newsreader)
3263 (Expires (message-make-expires))
3264 (case-fold-search t)
3265 header value elem)
3266 ;; First we remove any old generated headers.
3267 (let ((headers message-deletable-headers))
3268 (unless (buffer-modified-p)
3269 (setq headers (delq 'Message-ID (copy-sequence headers))))
3270 (while headers
3271 (goto-char (point-min))
3272 (and (re-search-forward
3273 (concat "^" (symbol-name (car headers)) ": *") nil t)
3274 (get-text-property (1+ (match-beginning 0)) 'message-deletable)
3275 (message-delete-line))
3276 (pop headers)))
3277 ;; Go through all the required headers and see if they are in the
3278 ;; articles already. If they are not, or are empty, they are
3279 ;; inserted automatically - except for Subject, Newsgroups and
3280 ;; Distribution.
3281 (while headers
3282 (goto-char (point-min))
3283 (setq elem (pop headers))
3284 (if (consp elem)
3285 (if (eq (car elem) 'optional)
3286 (setq header (cdr elem))
3287 (setq header (car elem)))
3288 (setq header elem))
3289 (when (or (not (re-search-forward
3290 (concat "^"
3291 (regexp-quote
3292 (downcase
3293 (if (stringp header)
3294 header
3295 (symbol-name header))))
3296 ":")
3297 nil t))
3298 (progn
3299 ;; The header was found. We insert a space after the
3300 ;; colon, if there is none.
3301 (if (/= (char-after) ? ) (insert " ") (forward-char 1))
3302 ;; Find out whether the header is empty...
3303 (looking-at "[ \t]*\n[^ \t]")))
3304 ;; So we find out what value we should insert.
3305 (setq value
3306 (cond
3307 ((and (consp elem) (eq (car elem) 'optional))
3308 ;; This is an optional header. If the cdr of this
3309 ;; is something that is nil, then we do not insert
3310 ;; this header.
3311 (setq header (cdr elem))
3312 (or (and (fboundp (cdr elem)) (funcall (cdr elem)))
3313 (and (boundp (cdr elem)) (symbol-value (cdr elem)))))
3314 ((consp elem)
3315 ;; The element is a cons. Either the cdr is a
3316 ;; string to be inserted verbatim, or it is a
3317 ;; function, and we insert the value returned from
3318 ;; this function.
3319 (or (and (stringp (cdr elem)) (cdr elem))
3320 (and (fboundp (cdr elem)) (funcall (cdr elem)))))
3321 ((and (boundp header) (symbol-value header))
3322 ;; The element is a symbol. We insert the value
3323 ;; of this symbol, if any.
3324 (symbol-value header))
3325 ((not (message-check-element header))
3326 ;; We couldn't generate a value for this header,
3327 ;; so we just ask the user.
3328 (read-from-minibuffer
3329 (format "Empty header for %s; enter value: " header)))))
3330 ;; Finally insert the header.
3331 (when (and value
3332 (not (equal value "")))
3333 (save-excursion
3334 (if (bolp)
3335 (progn
3336 ;; This header didn't exist, so we insert it.
3337 (goto-char (point-max))
3338 (insert (if (stringp header) header (symbol-name header))
3339 ": " value "\n")
3340 (forward-line -1))
3341 ;; The value of this header was empty, so we clear
3342 ;; totally and insert the new value.
3343 (delete-region (point) (gnus-point-at-eol))
3344 (insert value))
3345 ;; Add the deletable property to the headers that require it.
3346 (and (memq header message-deletable-headers)
3347 (progn (beginning-of-line) (looking-at "[^:]+: "))
3348 (add-text-properties
3349 (point) (match-end 0)
3350 '(message-deletable t face italic) (current-buffer)))))))
3351 ;; Insert new Sender if the From is strange.
3352 (let ((from (message-fetch-field "from"))
3353 (sender (message-fetch-field "sender"))
3354 (secure-sender (message-make-sender)))
3355 (when (and from
3356 (not (message-check-element 'sender))
3357 (not (string=
3358 (downcase
3359 (cadr (mail-extract-address-components from)))
3360 (downcase secure-sender)))
3361 (or (null sender)
3362 (not
3363 (string=
3364 (downcase
3365 (cadr (mail-extract-address-components sender)))
3366 (downcase secure-sender)))))
3367 (goto-char (point-min))
3368 ;; Rename any old Sender headers to Original-Sender.
3369 (when (re-search-forward "^\\(Original-\\)*Sender:" nil t)
3370 (beginning-of-line)
3371 (insert "Original-")
3372 (beginning-of-line))
3373 (when (or (message-news-p)
3374 (string-match "@.+\\.." secure-sender))
3375 (insert "Sender: " secure-sender "\n")))))))
3377 (defun message-insert-courtesy-copy ()
3378 "Insert a courtesy message in mail copies of combined messages."
3379 (let (newsgroups)
3380 (save-excursion
3381 (save-restriction
3382 (message-narrow-to-headers)
3383 (when (setq newsgroups (message-fetch-field "newsgroups"))
3384 (goto-char (point-max))
3385 (insert "Posted-To: " newsgroups "\n")))
3386 (forward-line 1)
3387 (when message-courtesy-message
3388 (cond
3389 ((string-match "%s" message-courtesy-message)
3390 (insert (format message-courtesy-message newsgroups)))
3392 (insert message-courtesy-message)))))))
3395 ;;; Setting up a message buffer
3398 (defun message-fill-address (header value)
3399 (save-restriction
3400 (narrow-to-region (point) (point))
3401 (insert (capitalize (symbol-name header))
3402 ": "
3403 (if (consp value) (car value) value)
3404 "\n")
3405 (narrow-to-region (point-min) (1- (point-max)))
3406 (let (quoted last)
3407 (goto-char (point-min))
3408 (while (not (eobp))
3409 (skip-chars-forward "^,\"" (point-max))
3410 (if (or (eq (char-after) ?,)
3411 (eobp))
3412 (when (not quoted)
3413 (if (and (> (current-column) 78)
3414 last)
3415 (progn
3416 (save-excursion
3417 (goto-char last)
3418 (insert "\n\t"))
3419 (setq last (1+ (point))))
3420 (setq last (1+ (point)))))
3421 (setq quoted (not quoted)))
3422 (unless (eobp)
3423 (forward-char 1))))
3424 (goto-char (point-max))
3425 (widen)
3426 (forward-line 1)))
3428 (defun message-fill-header (header value)
3429 (let ((begin (point))
3430 (fill-column 78)
3431 (fill-prefix "\t"))
3432 (insert (capitalize (symbol-name header))
3433 ": "
3434 (if (consp value) (car value) value)
3435 "\n")
3436 (save-restriction
3437 (narrow-to-region begin (point))
3438 (fill-region-as-paragraph begin (point))
3439 ;; Tapdance around looong Message-IDs.
3440 (forward-line -1)
3441 (when (looking-at "[ \t]*$")
3442 (message-delete-line))
3443 (goto-char begin)
3444 (re-search-forward ":" nil t)
3445 (when (looking-at "\n[ \t]+")
3446 (replace-match " " t t))
3447 (goto-char (point-max)))))
3449 (defun message-shorten-1 (list cut surplus)
3450 "Cut SURPLUS elements out of LIST, beginning with CUTth one."
3451 (setcdr (nthcdr (- cut 2) list)
3452 (nthcdr (+ (- cut 2) surplus 1) list)))
3454 (defun message-shorten-references (header references)
3455 "Trim REFERENCES to be less than 31 Message-ID long, and fold them.
3456 If folding is disallowed, also check that the REFERENCES are less
3457 than 988 characters long, and if they are not, trim them until they are."
3458 (let ((maxcount 31)
3459 (count 0)
3460 (cut 6)
3461 refs)
3462 (with-temp-buffer
3463 (insert references)
3464 (goto-char (point-min))
3465 ;; Cons a list of valid references.
3466 (while (re-search-forward "<[^>]+>" nil t)
3467 (push (match-string 0) refs))
3468 (setq refs (nreverse refs)
3469 count (length refs)))
3471 ;; If the list has more than MAXCOUNT elements, trim it by
3472 ;; removing the CUTth element and the required number of
3473 ;; elements that follow.
3474 (when (> count maxcount)
3475 (let ((surplus (- count maxcount)))
3476 (message-shorten-1 refs cut surplus)
3477 (decf count surplus)))
3479 ;; If folding is disallowed, make sure the total length (including
3480 ;; the spaces between) will be less than MAXSIZE characters.
3482 ;; Only disallow folding for News messages. At this point the headers
3483 ;; have not been generated, thus we use message-this-is-news directly.
3484 (when (and message-this-is-news message-cater-to-broken-inn)
3485 (let ((maxsize 988)
3486 (totalsize (+ (apply #'+ (mapcar #'length refs))
3487 (1- count)))
3488 (surplus 0)
3489 (ptr (nthcdr (1- cut) refs)))
3490 ;; Decide how many elements to cut off...
3491 (while (> totalsize maxsize)
3492 (decf totalsize (1+ (length (car ptr))))
3493 (incf surplus)
3494 (setq ptr (cdr ptr)))
3495 ;; ...and do it.
3496 (when (> surplus 0)
3497 (message-shorten-1 refs cut surplus))))
3499 ;; Finally, collect the references back into a string and insert
3500 ;; it into the buffer.
3501 (let ((refstring (mapconcat #'identity refs " ")))
3502 (if (and message-this-is-news message-cater-to-broken-inn)
3503 (insert (capitalize (symbol-name header)) ": "
3504 refstring "\n")
3505 (message-fill-header header refstring)))))
3507 (defun message-position-point ()
3508 "Move point to where the user probably wants to find it."
3509 (message-narrow-to-headers)
3510 (cond
3511 ((re-search-forward "^[^:]+:[ \t]*$" nil t)
3512 (search-backward ":" )
3513 (widen)
3514 (forward-char 1)
3515 (if (eq (char-after) ? )
3516 (forward-char 1)
3517 (insert " ")))
3519 (goto-char (point-max))
3520 (widen)
3521 (forward-line 1)
3522 (unless (looking-at "$")
3523 (forward-line 2)))
3524 (sit-for 0)))
3526 (defun message-buffer-name (type &optional to group)
3527 "Return a new (unique) buffer name based on TYPE and TO."
3528 (cond
3529 ;; Generate a new buffer name The Message Way.
3530 ((eq message-generate-new-buffers 'unique)
3531 (generate-new-buffer-name
3532 (concat "*" type
3533 (if to
3534 (concat " to "
3535 (or (car (mail-extract-address-components to))
3536 to) "")
3538 (if (and group (not (string= group ""))) (concat " on " group) "")
3539 "*")))
3540 ;; Check whether `message-generate-new-buffers' is a function,
3541 ;; and if so, call it.
3542 ((message-functionp message-generate-new-buffers)
3543 (funcall message-generate-new-buffers type to group))
3544 ((eq message-generate-new-buffers 'unsent)
3545 (generate-new-buffer-name
3546 (concat "*unsent " type
3547 (if to
3548 (concat " to "
3549 (or (car (mail-extract-address-components to))
3550 to) "")
3552 (if (and group (not (string= group ""))) (concat " on " group) "")
3553 "*")))
3554 ;; Use standard name.
3556 (format "*%s message*" type))))
3558 (defun message-pop-to-buffer (name)
3559 "Pop to buffer NAME, and warn if it already exists and is modified."
3560 (let ((buffer (get-buffer name)))
3561 (if (and buffer
3562 (buffer-name buffer))
3563 (progn
3564 (set-buffer (pop-to-buffer buffer))
3565 (when (and (buffer-modified-p)
3566 (not (y-or-n-p
3567 "Message already being composed; erase? ")))
3568 (error "Message being composed")))
3569 (set-buffer (pop-to-buffer name)))
3570 (erase-buffer)
3571 (message-mode)))
3573 (defun message-do-send-housekeeping ()
3574 "Kill old message buffers."
3575 ;; We might have sent this buffer already. Delete it from the
3576 ;; list of buffers.
3577 (setq message-buffer-list (delq (current-buffer) message-buffer-list))
3578 (while (and message-max-buffers
3579 message-buffer-list
3580 (>= (length message-buffer-list) message-max-buffers))
3581 ;; Kill the oldest buffer -- unless it has been changed.
3582 (let ((buffer (pop message-buffer-list)))
3583 (when (and (buffer-name buffer)
3584 (not (buffer-modified-p buffer)))
3585 (kill-buffer buffer))))
3586 ;; Rename the buffer.
3587 (if message-send-rename-function
3588 (funcall message-send-rename-function)
3589 (when (string-match "\\`\\*\\(unsent \\)?" (buffer-name))
3590 (rename-buffer
3591 (concat "*sent " (substring (buffer-name) (match-end 0))) t)))
3592 ;; Push the current buffer onto the list.
3593 (when message-max-buffers
3594 (setq message-buffer-list
3595 (nconc message-buffer-list (list (current-buffer))))))
3597 (defun message-mail-user-agent ()
3598 (let ((mua (cond
3599 ((not message-mail-user-agent) nil)
3600 ((eq message-mail-user-agent t) mail-user-agent)
3601 (t message-mail-user-agent))))
3602 (if (memq mua '(message-user-agent gnus-user-agent))
3604 mua)))
3606 (defun message-setup (headers &optional replybuffer actions switch-function)
3607 (let ((mua (message-mail-user-agent))
3608 subject to field yank-action)
3609 (if (not (and message-this-is-mail mua))
3610 (message-setup-1 headers replybuffer actions)
3611 (if replybuffer
3612 (setq yank-action (list 'insert-buffer replybuffer)))
3613 (setq headers (copy-sequence headers))
3614 (setq field (assq 'Subject headers))
3615 (when field
3616 (setq subject (cdr field))
3617 (setq headers (delq field headers)))
3618 (setq field (assq 'To headers))
3619 (when field
3620 (setq to (cdr field))
3621 (setq headers (delq field headers)))
3622 (let ((mail-user-agent mua))
3623 (compose-mail to subject
3624 (mapcar (lambda (item)
3625 (cons
3626 (format "%s" (car item))
3627 (cdr item)))
3628 headers)
3629 nil switch-function yank-action actions)))))
3631 (eval-when-compile (defvar mc-modes-alist))
3632 (defun message-setup-1 (headers &optional replybuffer actions)
3633 (when (and (boundp 'mc-modes-alist)
3634 (not (assq 'message-mode mc-modes-alist)))
3635 (push '(message-mode (encrypt . mc-encrypt-message)
3636 (sign . mc-sign-message))
3637 mc-modes-alist))
3638 (dolist (action actions)
3639 (condition-case nil
3640 (add-to-list 'message-send-actions
3641 `(apply ',(car action) ',(cdr action)))))
3642 (setq message-reply-buffer replybuffer)
3643 (goto-char (point-min))
3644 ;; Insert all the headers.
3645 (mail-header-format
3646 (let ((h headers)
3647 (alist message-header-format-alist))
3648 (while h
3649 (unless (assq (caar h) message-header-format-alist)
3650 (push (list (caar h)) alist))
3651 (pop h))
3652 alist)
3653 headers)
3654 (delete-region (point) (progn (forward-line -1) (point)))
3655 (when message-default-headers
3656 (insert message-default-headers)
3657 (or (bolp) (insert ?\n)))
3658 (put-text-property
3659 (point)
3660 (progn
3661 (insert mail-header-separator "\n")
3662 (1- (point)))
3663 'read-only nil)
3664 (forward-line -1)
3665 (when (message-news-p)
3666 (when message-default-news-headers
3667 (insert message-default-news-headers)
3668 (or (bolp) (insert ?\n)))
3669 (when message-generate-headers-first
3670 (message-generate-headers
3671 (delq 'Lines
3672 (delq 'Subject
3673 (copy-sequence message-required-news-headers))))))
3674 (when (message-mail-p)
3675 (when message-default-mail-headers
3676 (insert message-default-mail-headers)
3677 (or (bolp) (insert ?\n)))
3678 (when message-generate-headers-first
3679 (message-generate-headers
3680 (delq 'Lines
3681 (delq 'Subject
3682 (copy-sequence message-required-mail-headers))))))
3683 (run-hooks 'message-signature-setup-hook)
3684 (message-insert-signature)
3685 (save-restriction
3686 (message-narrow-to-headers)
3687 (if message-alternative-emails
3688 (message-use-alternative-email-as-from))
3689 (run-hooks 'message-header-setup-hook))
3690 (set-buffer-modified-p nil)
3691 (setq buffer-undo-list nil)
3692 (run-hooks 'message-setup-hook)
3693 (message-position-point)
3694 (undo-boundary))
3696 (defun message-set-auto-save-file-name ()
3697 "Associate the message buffer with a file in the drafts directory."
3698 (when message-auto-save-directory
3699 (unless (file-directory-p
3700 (directory-file-name message-auto-save-directory))
3701 (gnus-make-directory message-auto-save-directory))
3702 (if (gnus-alive-p)
3703 (setq message-draft-article
3704 (nndraft-request-associate-buffer "drafts"))
3705 (setq buffer-file-name (expand-file-name "*message*"
3706 message-auto-save-directory))
3707 (setq buffer-auto-save-file-name (make-auto-save-file-name)))
3708 (clear-visited-file-modtime)
3709 (setq buffer-file-coding-system message-draft-coding-system)))
3711 (defun message-disassociate-draft ()
3712 "Disassociate the message buffer from the drafts directory."
3713 (when message-draft-article
3714 (nndraft-request-expire-articles
3715 (list message-draft-article) "drafts" nil t)))
3717 (defun message-insert-headers ()
3718 "Generate the headers for the article."
3719 (interactive)
3720 (save-excursion
3721 (save-restriction
3722 (message-narrow-to-headers)
3723 (when (message-news-p)
3724 (message-generate-headers
3725 (delq 'Lines
3726 (delq 'Subject
3727 (copy-sequence message-required-news-headers)))))
3728 (when (message-mail-p)
3729 (message-generate-headers
3730 (delq 'Lines
3731 (delq 'Subject
3732 (copy-sequence message-required-mail-headers))))))))
3737 ;;; Commands for interfacing with message
3740 ;;;###autoload
3741 (defun message-mail (&optional to subject
3742 other-headers continue switch-function
3743 yank-action send-actions)
3744 "Start editing a mail message to be sent.
3745 OTHER-HEADERS is an alist of header/value pairs."
3746 (interactive)
3747 (let ((message-this-is-mail t) replybuffer)
3748 (unless (message-mail-user-agent)
3749 (message-pop-to-buffer (message-buffer-name "mail" to)))
3750 ;; FIXME: message-mail should do something if YANK-ACTION is not
3751 ;; insert-buffer.
3752 (and (consp yank-action) (eq (car yank-action) 'insert-buffer)
3753 (setq replybuffer (nth 1 yank-action)))
3754 (message-setup
3755 (nconc
3756 `((To . ,(or to "")) (Subject . ,(or subject "")))
3757 (when other-headers other-headers))
3758 replybuffer send-actions)
3759 ;; FIXME: Should return nil if failure.
3762 ;;;###autoload
3763 (defun message-news (&optional newsgroups subject)
3764 "Start editing a news article to be sent."
3765 (interactive)
3766 (let ((message-this-is-news t))
3767 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups))
3768 (message-setup `((Newsgroups . ,(or newsgroups ""))
3769 (Subject . ,(or subject ""))))))
3771 (defun message-get-reply-headers (wide &optional to-address)
3772 (let (follow-to mct never-mct from to cc reply-to ccalist)
3773 ;; Find all relevant headers we need.
3774 (setq from (message-fetch-field "from")
3775 to (message-fetch-field "to")
3776 cc (message-fetch-field "cc")
3777 mct (message-fetch-field "mail-copies-to")
3778 reply-to (message-fetch-field "reply-to"))
3780 ;; Handle special values of Mail-Copies-To.
3781 (when mct
3782 (cond ((or (equal (downcase mct) "never")
3783 (equal (downcase mct) "nobody"))
3784 (setq never-mct t)
3785 (setq mct nil))
3786 ((or (equal (downcase mct) "always")
3787 (equal (downcase mct) "poster"))
3788 (setq mct (or reply-to from)))))
3790 (if (or (not wide)
3791 to-address)
3792 (progn
3793 (setq follow-to (list (cons 'To (or to-address reply-to from))))
3794 (when (and wide mct)
3795 (push (cons 'Cc mct) follow-to)))
3796 (let (ccalist)
3797 (save-excursion
3798 (message-set-work-buffer)
3799 (unless never-mct
3800 (insert (or reply-to from "")))
3801 (insert (if to (concat (if (bolp) "" ", ") to "") ""))
3802 (insert (if mct (concat (if (bolp) "" ", ") mct) ""))
3803 (insert (if cc (concat (if (bolp) "" ", ") cc) ""))
3804 (goto-char (point-min))
3805 (while (re-search-forward "[ \t]+" nil t)
3806 (replace-match " " t t))
3807 ;; Remove addresses that match `rmail-dont-reply-to-names'.
3808 (let ((rmail-dont-reply-to-names message-dont-reply-to-names))
3809 (insert (prog1 (rmail-dont-reply-to (buffer-string))
3810 (erase-buffer))))
3811 (goto-char (point-min))
3812 ;; Perhaps "Mail-Copies-To: never" removed the only address?
3813 (when (eobp)
3814 (insert (or reply-to from "")))
3815 (setq ccalist
3816 (mapcar
3817 (lambda (addr)
3818 (cons (mail-strip-quoted-names addr) addr))
3819 (message-tokenize-header (buffer-string))))
3820 (let ((s ccalist))
3821 (while s
3822 (setq ccalist (delq (assoc (car (pop s)) s) ccalist)))))
3823 (setq follow-to (list (cons 'To (cdr (pop ccalist)))))
3824 (when ccalist
3825 (let ((ccs (cons 'Cc (mapconcat
3826 (lambda (addr) (cdr addr)) ccalist ", "))))
3827 (when (string-match "^ +" (cdr ccs))
3828 (setcdr ccs (substring (cdr ccs) (match-end 0))))
3829 (push ccs follow-to)))))
3830 follow-to))
3833 ;;;###autoload
3834 (defun message-reply (&optional to-address wide)
3835 "Start editing a reply to the article in the current buffer."
3836 (interactive)
3837 (require 'gnus-sum) ; for gnus-list-identifiers
3838 (let ((cur (current-buffer))
3839 from subject date reply-to to cc
3840 references message-id follow-to
3841 (inhibit-point-motion-hooks t)
3842 (message-this-is-mail t)
3843 gnus-warning)
3844 (save-restriction
3845 (message-narrow-to-head-1)
3846 ;; Allow customizations to have their say.
3847 (if (not wide)
3848 ;; This is a regular reply.
3849 (if (message-functionp message-reply-to-function)
3850 (setq follow-to (funcall message-reply-to-function)))
3851 ;; This is a followup.
3852 (if (message-functionp message-wide-reply-to-function)
3853 (save-excursion
3854 (setq follow-to
3855 (funcall message-wide-reply-to-function)))))
3856 (setq message-id (message-fetch-field "message-id" t)
3857 references (message-fetch-field "references")
3858 date (message-fetch-field "date")
3859 from (message-fetch-field "from")
3860 subject (or (message-fetch-field "subject") "none"))
3861 (if gnus-list-identifiers
3862 (setq subject (message-strip-list-identifiers subject)))
3863 (setq subject (concat "Re: " (message-strip-subject-re subject)))
3865 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
3866 (string-match "<[^>]+>" gnus-warning))
3867 (setq message-id (match-string 0 gnus-warning)))
3869 (unless follow-to
3870 (setq follow-to (message-get-reply-headers wide to-address))))
3872 (unless (message-mail-user-agent)
3873 (message-pop-to-buffer
3874 (message-buffer-name
3875 (if wide "wide reply" "reply") from
3876 (if wide to-address nil))))
3878 (setq message-reply-headers
3879 (vector 0 subject from date message-id references 0 0 ""))
3881 (message-setup
3882 `((Subject . ,subject)
3883 ,@follow-to
3884 ,@(if (or references message-id)
3885 `((References . ,(concat (or references "") (and references " ")
3886 (or message-id ""))))
3887 nil))
3888 cur)))
3890 ;;;###autoload
3891 (defun message-wide-reply (&optional to-address)
3892 "Make a \"wide\" reply to the message in the current buffer."
3893 (interactive)
3894 (message-reply to-address t))
3896 ;;;###autoload
3897 (defun message-followup (&optional to-newsgroups)
3898 "Follow up to the message in the current buffer.
3899 If TO-NEWSGROUPS, use that as the new Newsgroups line."
3900 (interactive)
3901 (require 'gnus-sum) ; for gnus-list-identifiers
3902 (let ((cur (current-buffer))
3903 from subject date reply-to mct
3904 references message-id follow-to
3905 (inhibit-point-motion-hooks t)
3906 (message-this-is-news t)
3907 followup-to distribution newsgroups gnus-warning posted-to)
3908 (save-restriction
3909 (narrow-to-region
3910 (goto-char (point-min))
3911 (if (search-forward "\n\n" nil t)
3912 (1- (point))
3913 (point-max)))
3914 (when (message-functionp message-followup-to-function)
3915 (setq follow-to
3916 (funcall message-followup-to-function)))
3917 (setq from (message-fetch-field "from")
3918 date (message-fetch-field "date")
3919 subject (or (message-fetch-field "subject") "none")
3920 references (message-fetch-field "references")
3921 message-id (message-fetch-field "message-id" t)
3922 followup-to (message-fetch-field "followup-to")
3923 newsgroups (message-fetch-field "newsgroups")
3924 posted-to (message-fetch-field "posted-to")
3925 reply-to (message-fetch-field "reply-to")
3926 distribution (message-fetch-field "distribution")
3927 mct (message-fetch-field "mail-copies-to"))
3928 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
3929 (string-match "<[^>]+>" gnus-warning))
3930 (setq message-id (match-string 0 gnus-warning)))
3931 ;; Remove bogus distribution.
3932 (when (and (stringp distribution)
3933 (let ((case-fold-search t))
3934 (string-match "world" distribution)))
3935 (setq distribution nil))
3936 (if gnus-list-identifiers
3937 (setq subject (message-strip-list-identifiers subject)))
3938 (setq subject (concat "Re: " (message-strip-subject-re subject)))
3939 (widen))
3941 (message-pop-to-buffer (message-buffer-name "followup" from newsgroups))
3943 (message-setup
3944 `((Subject . ,subject)
3945 ,@(cond
3946 (to-newsgroups
3947 (list (cons 'Newsgroups to-newsgroups)))
3948 (follow-to follow-to)
3949 ((and followup-to message-use-followup-to)
3950 (list
3951 (cond
3952 ((equal (downcase followup-to) "poster")
3953 (if (or (eq message-use-followup-to 'use)
3954 (message-y-or-n-p "Obey Followup-To: poster? " t "\
3955 You should normally obey the Followup-To: header.
3957 `Followup-To: poster' sends your response via e-mail instead of news.
3959 A typical situation where `Followup-To: poster' is used is when the poster
3960 does not read the newsgroup, so he wouldn't see any replies sent to it."))
3961 (progn
3962 (setq message-this-is-news nil)
3963 (cons 'To (or reply-to from "")))
3964 (cons 'Newsgroups newsgroups)))
3966 (if (or (equal followup-to newsgroups)
3967 (not (eq message-use-followup-to 'ask))
3968 (message-y-or-n-p
3969 (concat "Obey Followup-To: " followup-to "? ") t "\
3970 You should normally obey the Followup-To: header.
3972 `Followup-To: " followup-to "'
3973 directs your response to " (if (string-match "," followup-to)
3974 "the specified newsgroups"
3975 "that newsgroup only") ".
3977 If a message is posted to several newsgroups, Followup-To is often
3978 used to direct the following discussion to one newsgroup only,
3979 because discussions that are spread over several newsgroup tend to
3980 be fragmented and very difficult to follow.
3982 Also, some source/announcement newsgroups are not indented for discussion;
3983 responses here are directed to other newsgroups."))
3984 (cons 'Newsgroups followup-to)
3985 (cons 'Newsgroups newsgroups))))))
3986 (posted-to
3987 `((Newsgroups . ,posted-to)))
3989 `((Newsgroups . ,newsgroups))))
3990 ,@(and distribution (list (cons 'Distribution distribution)))
3991 ,@(if (or references message-id)
3992 `((References . ,(concat (or references "") (and references " ")
3993 (or message-id "")))))
3994 ,@(when (and mct
3995 (not (or (equal (downcase mct) "never")
3996 (equal (downcase mct) "nobody"))))
3997 (list (cons 'Cc (if (or (equal (downcase mct) "always")
3998 (equal (downcase mct) "poster"))
3999 (or reply-to from "")
4000 mct)))))
4002 cur)
4004 (setq message-reply-headers
4005 (vector 0 subject from date message-id references 0 0 ""))))
4008 ;;;###autoload
4009 (defun message-cancel-news (&optional arg)
4010 "Cancel an article you posted.
4011 If ARG, allow editing of the cancellation message."
4012 (interactive "P")
4013 (unless (message-news-p)
4014 (error "This is not a news article; canceling is impossible"))
4015 (when (yes-or-no-p "Do you really want to cancel this article? ")
4016 (let (from newsgroups message-id distribution buf sender)
4017 (save-excursion
4018 ;; Get header info from original article.
4019 (save-restriction
4020 (message-narrow-to-head-1)
4021 (setq from (message-fetch-field "from")
4022 sender (message-fetch-field "sender")
4023 newsgroups (message-fetch-field "newsgroups")
4024 message-id (message-fetch-field "message-id" t)
4025 distribution (message-fetch-field "distribution")))
4026 ;; Make sure that this article was written by the user.
4027 (unless (or (and sender
4028 (string-equal
4029 (downcase sender)
4030 (downcase (message-make-sender))))
4031 (string-equal
4032 (downcase (cadr (mail-extract-address-components from)))
4033 (downcase (cadr (mail-extract-address-components
4034 (message-make-from))))))
4035 (error "This article is not yours"))
4036 ;; Make control message.
4037 (if arg
4038 (message-news)
4039 (setq buf (set-buffer (get-buffer-create " *message cancel*"))))
4040 (erase-buffer)
4041 (insert "Newsgroups: " newsgroups "\n"
4042 "From: " from "\n"
4043 "Subject: cmsg cancel " message-id "\n"
4044 "Control: cancel " message-id "\n"
4045 (if distribution
4046 (concat "Distribution: " distribution "\n")
4048 mail-header-separator "\n"
4049 message-cancel-message)
4050 (run-hooks 'message-cancel-hook)
4051 (unless arg
4052 (message "Canceling your article...")
4053 (if (let ((message-syntax-checks
4054 'dont-check-for-anything-just-trust-me))
4055 (funcall message-send-news-function))
4056 (message "Canceling your article...done"))
4057 (kill-buffer buf))))))
4059 ;;;###autoload
4060 (defun message-supersede ()
4061 "Start composing a message to supersede the current message.
4062 This is done simply by taking the old article and adding a Supersedes
4063 header line with the old Message-ID."
4064 (interactive)
4065 (let ((cur (current-buffer))
4066 (sender (message-fetch-field "sender"))
4067 (from (message-fetch-field "from")))
4068 ;; Check whether the user owns the article that is to be superseded.
4069 (unless (or (and sender
4070 (string-equal
4071 (downcase sender)
4072 (downcase (message-make-sender))))
4073 (string-equal
4074 (downcase (cadr (mail-extract-address-components from)))
4075 (downcase (cadr (mail-extract-address-components
4076 (message-make-from))))))
4077 (error "This article is not yours"))
4078 ;; Get a normal message buffer.
4079 (message-pop-to-buffer (message-buffer-name "supersede"))
4080 (insert-buffer-substring cur)
4081 (mime-to-mml)
4082 (message-narrow-to-head-1)
4083 ;; Remove unwanted headers.
4084 (when message-ignored-supersedes-headers
4085 (message-remove-header message-ignored-supersedes-headers t))
4086 (goto-char (point-min))
4087 (if (not (re-search-forward "^Message-ID: " nil t))
4088 (error "No Message-ID in this article")
4089 (replace-match "Supersedes: " t t))
4090 (goto-char (point-max))
4091 (insert mail-header-separator)
4092 (widen)
4093 (forward-line 1)))
4095 ;;;###autoload
4096 (defun message-recover ()
4097 "Reread contents of current buffer from its last auto-save file."
4098 (interactive)
4099 (let ((file-name (make-auto-save-file-name)))
4100 (cond ((save-window-excursion
4101 (if (not (eq system-type 'vax-vms))
4102 (with-output-to-temp-buffer "*Directory*"
4103 (with-current-buffer standard-output
4104 (fundamental-mode)) ; for Emacs 20.4+
4105 (buffer-disable-undo standard-output)
4106 (let ((default-directory "/"))
4107 (call-process
4108 "ls" nil standard-output nil "-l" file-name))))
4109 (yes-or-no-p (format "Recover auto save file %s? " file-name)))
4110 (let ((buffer-read-only nil))
4111 (erase-buffer)
4112 (insert-file-contents file-name nil)))
4113 (t (error "message-recover cancelled")))))
4115 ;;; Washing Subject:
4117 (defun message-wash-subject (subject)
4118 "Remove junk like \"Re:\", \"(fwd)\", etc. added to subject string SUBJECT.
4119 Previous forwarders, replyers, etc. may add it."
4120 (with-temp-buffer
4121 (insert subject)
4122 (goto-char (point-min))
4123 ;; strip Re/Fwd stuff off the beginning
4124 (while (re-search-forward
4125 "\\([Rr][Ee]:\\|[Ff][Ww][Dd]\\(\\[[0-9]*\\]\\)?:\\|[Ff][Ww]:\\)" nil t)
4126 (replace-match ""))
4128 ;; and gnus-style forwards [foo@bar.com] subject
4129 (goto-char (point-min))
4130 (while (re-search-forward "\\[[^ \t]*\\(@\\|\\.\\)[^ \t]*\\]" nil t)
4131 (replace-match ""))
4133 ;; and off the end
4134 (goto-char (point-max))
4135 (while (re-search-backward "([Ff][Ww][Dd])" nil t)
4136 (replace-match ""))
4138 ;; and finally, any whitespace that was left-over
4139 (goto-char (point-min))
4140 (while (re-search-forward "^[ \t]+" nil t)
4141 (replace-match ""))
4142 (goto-char (point-max))
4143 (while (re-search-backward "[ \t]+$" nil t)
4144 (replace-match ""))
4146 (buffer-string)))
4148 ;;; Forwarding messages.
4150 (defvar message-forward-decoded-p nil
4151 "Non-nil means the original message is decoded.")
4153 (defun message-forward-subject-author-subject (subject)
4154 "Generate a SUBJECT for a forwarded message.
4155 The form is: [Source] Subject, where if the original message was mail,
4156 Source is the sender, and if the original message was news, Source is
4157 the list of newsgroups is was posted to."
4158 (concat "["
4159 (let ((prefix
4160 (or (message-fetch-field "newsgroups")
4161 (message-fetch-field "from")
4162 "(nowhere)")))
4163 (if message-forward-decoded-p
4164 prefix
4165 (mail-decode-encoded-word-string prefix)))
4166 "] " subject))
4168 (defun message-forward-subject-fwd (subject)
4169 "Generate a SUBJECT for a forwarded message.
4170 The form is: Fwd: Subject, where Subject is the original subject of
4171 the message."
4172 (concat "Fwd: " subject))
4174 (defun message-make-forward-subject ()
4175 "Return a Subject header suitable for the message in the current buffer."
4176 (save-excursion
4177 (save-restriction
4178 (message-narrow-to-head-1)
4179 (let ((funcs message-make-forward-subject-function)
4180 (subject (message-fetch-field "Subject")))
4181 (setq subject
4182 (if subject
4183 (if message-forward-decoded-p
4184 subject
4185 (mail-decode-encoded-word-string subject))
4186 ""))
4187 (if message-wash-forwarded-subjects
4188 (setq subject (message-wash-subject subject)))
4189 ;; Make sure funcs is a list.
4190 (and funcs
4191 (not (listp funcs))
4192 (setq funcs (list funcs)))
4193 ;; Apply funcs in order, passing subject generated by previous
4194 ;; func to the next one.
4195 (while funcs
4196 (when (message-functionp (car funcs))
4197 (setq subject (funcall (car funcs) subject)))
4198 (setq funcs (cdr funcs)))
4199 subject))))
4201 (eval-when-compile
4202 (defvar gnus-article-decoded-p))
4205 ;;;###autoload
4206 (defun message-forward (&optional news digest)
4207 "Forward the current message via mail.
4208 Optional NEWS will use news to forward instead of mail.
4209 Optional DIGEST will use digest to forward."
4210 (interactive "P")
4211 (let* ((cur (current-buffer))
4212 (message-forward-decoded-p
4213 (if (local-variable-p 'gnus-article-decoded-p (current-buffer))
4214 gnus-article-decoded-p ;; In an article buffer.
4215 message-forward-decoded-p))
4216 (subject (message-make-forward-subject)))
4217 (if news
4218 (message-news nil subject)
4219 (message-mail nil subject))
4220 (message-forward-make-body cur digest)))
4222 ;;;###autoload
4223 (defun message-forward-make-body (forward-buffer &optional digest)
4224 ;; Put point where we want it before inserting the forwarded
4225 ;; message.
4226 (if message-forward-before-signature
4227 (message-goto-body)
4228 (goto-char (point-max)))
4229 (if message-forward-as-mime
4230 (if digest
4231 (insert "\n<#multipart type=digest>\n")
4232 (if message-forward-show-mml
4233 (insert "\n\n<#mml type=message/rfc822 disposition=inline>\n")
4234 (insert "\n\n<#part type=message/rfc822 disposition=inline raw=t>\n")))
4235 (insert "\n-------------------- Start of forwarded message --------------------\n"))
4236 (let ((b (point)) e)
4237 (if digest
4238 (if message-forward-as-mime
4239 (insert-buffer-substring forward-buffer)
4240 (mml-insert-buffer forward-buffer))
4241 (if (and message-forward-show-mml
4242 (not message-forward-decoded-p))
4243 (insert
4244 (with-temp-buffer
4245 (mm-disable-multibyte) ;; Must copy buffer in unibyte mode
4246 (insert
4247 (with-current-buffer forward-buffer
4248 (mm-string-as-unibyte (buffer-string))))
4249 (mm-enable-multibyte)
4250 (mime-to-mml)
4251 (goto-char (point-min))
4252 (when (looking-at "From ")
4253 (replace-match "X-From-Line: "))
4254 (buffer-string)))
4255 (save-restriction
4256 (narrow-to-region (point) (point))
4257 (mml-insert-buffer forward-buffer)
4258 (goto-char (point-min))
4259 (when (looking-at "From ")
4260 (replace-match "X-From-Line: "))
4261 (goto-char (point-max)))))
4262 (setq e (point))
4263 (if message-forward-as-mime
4264 (if digest
4265 (insert "<#/multipart>\n")
4266 (if message-forward-show-mml
4267 (insert "<#/mml>\n")
4268 (insert "<#/part>\n")))
4269 (insert "\n-------------------- End of forwarded message --------------------\n"))
4270 (if (and digest message-forward-as-mime)
4271 (save-restriction
4272 (narrow-to-region b e)
4273 (goto-char b)
4274 (narrow-to-region (point)
4275 (or (search-forward "\n\n" nil t) (point)))
4276 (delete-region (point-min) (point-max)))
4277 (when (and (not current-prefix-arg)
4278 message-forward-ignored-headers)
4279 (save-restriction
4280 (narrow-to-region b e)
4281 (goto-char b)
4282 (narrow-to-region (point)
4283 (or (search-forward "\n\n" nil t) (point)))
4284 (message-remove-header message-forward-ignored-headers t)))))
4285 (message-position-point))
4287 ;;;###autoload
4288 (defun message-forward-rmail-make-body (forward-buffer)
4289 (save-window-excursion
4290 (set-buffer forward-buffer)
4291 (if (rmail-msg-is-pruned)
4292 (rmail-msg-restore-non-pruned-header)))
4293 (message-forward-make-body forward-buffer))
4295 ;;;###autoload
4296 (defun message-insinuate-rmail ()
4297 "Let RMAIL uses message to forward."
4298 (interactive)
4299 (setq rmail-enable-mime-composing t)
4300 (setq rmail-insert-mime-forwarded-message-function
4301 'message-forward-rmail-make-body))
4303 ;;;###autoload
4304 (defun message-resend (address)
4305 "Resend the current article to ADDRESS."
4306 (interactive
4307 (list (message-read-from-minibuffer "Resend message to: ")))
4308 (message "Resending message to %s..." address)
4309 (save-excursion
4310 (let ((cur (current-buffer))
4311 beg)
4312 ;; We first set up a normal mail buffer.
4313 (unless (message-mail-user-agent)
4314 (set-buffer (get-buffer-create " *message resend*"))
4315 (erase-buffer))
4316 (let ((message-this-is-mail t))
4317 (message-setup `((To . ,address))))
4318 ;; Insert our usual headers.
4319 (message-generate-headers '(From Date To))
4320 (message-narrow-to-headers)
4321 ;; Rename them all to "Resent-*".
4322 (while (re-search-forward "^[A-Za-z]" nil t)
4323 (forward-char -1)
4324 (insert "Resent-"))
4325 (widen)
4326 (forward-line)
4327 (delete-region (point) (point-max))
4328 (setq beg (point))
4329 ;; Insert the message to be resent.
4330 (insert-buffer-substring cur)
4331 (goto-char (point-min))
4332 (search-forward "\n\n")
4333 (forward-char -1)
4334 (save-restriction
4335 (narrow-to-region beg (point))
4336 (message-remove-header message-ignored-resent-headers t)
4337 (goto-char (point-max)))
4338 (insert mail-header-separator)
4339 ;; Rename all old ("Also-")Resent headers.
4340 (while (re-search-backward "^\\(Also-\\)*Resent-" beg t)
4341 (beginning-of-line)
4342 (insert "Also-"))
4343 ;; Quote any "From " lines at the beginning.
4344 (goto-char beg)
4345 (when (looking-at "From ")
4346 (replace-match "X-From-Line: "))
4347 ;; Send it.
4348 (let ((message-inhibit-body-encoding t)
4349 message-required-mail-headers)
4350 (message-send-mail))
4351 (kill-buffer (current-buffer)))
4352 (message "Resending message to %s...done" address)))
4354 ;;;###autoload
4355 (defun message-bounce ()
4356 "Re-mail the current message.
4357 This only makes sense if the current message is a bounce message that
4358 contains some mail you have written which has been bounced back to
4359 you."
4360 (interactive)
4361 (let ((handles (mm-dissect-buffer t))
4362 boundary)
4363 (message-pop-to-buffer (message-buffer-name "bounce"))
4364 (if (stringp (car handles))
4365 ;; This is a MIME bounce.
4366 (mm-insert-part (car (last handles)))
4367 ;; This is a non-MIME bounce, so we try to remove things
4368 ;; manually.
4369 (mm-insert-part handles)
4370 (undo-boundary)
4371 (goto-char (point-min))
4372 (search-forward "\n\n" nil t)
4373 (or (and (re-search-forward message-unsent-separator nil t)
4374 (forward-line 1))
4375 (re-search-forward "^Return-Path:.*\n" nil t))
4376 ;; We remove everything before the bounced mail.
4377 (delete-region
4378 (point-min)
4379 (if (re-search-forward "^[^ \n\t]+:" nil t)
4380 (match-beginning 0)
4381 (point))))
4382 (mm-enable-multibyte)
4383 (mime-to-mml)
4384 (save-restriction
4385 (message-narrow-to-head-1)
4386 (message-remove-header message-ignored-bounced-headers t)
4387 (goto-char (point-max))
4388 (insert mail-header-separator))
4389 (message-position-point)))
4392 ;;; Interactive entry points for new message buffers.
4395 ;;;###autoload
4396 (defun message-mail-other-window (&optional to subject)
4397 "Like `message-mail' command, but display mail buffer in another window."
4398 (interactive)
4399 (unless (message-mail-user-agent)
4400 (let ((pop-up-windows t)
4401 (special-display-buffer-names nil)
4402 (special-display-regexps nil)
4403 (same-window-buffer-names nil)
4404 (same-window-regexps nil))
4405 (message-pop-to-buffer (message-buffer-name "mail" to))))
4406 (let ((message-this-is-mail t))
4407 (message-setup `((To . ,(or to "")) (Subject . ,(or subject "")))
4408 nil nil 'switch-to-buffer-other-window)))
4410 ;;;###autoload
4411 (defun message-mail-other-frame (&optional to subject)
4412 "Like `message-mail' command, but display mail buffer in another frame."
4413 (interactive)
4414 (unless (message-mail-user-agent)
4415 (let ((pop-up-frames t)
4416 (special-display-buffer-names nil)
4417 (special-display-regexps nil)
4418 (same-window-buffer-names nil)
4419 (same-window-regexps nil))
4420 (message-pop-to-buffer (message-buffer-name "mail" to))))
4421 (let ((message-this-is-mail t))
4422 (message-setup `((To . ,(or to "")) (Subject . ,(or subject "")))
4423 nil nil 'switch-to-buffer-other-frame)))
4425 ;;;###autoload
4426 (defun message-news-other-window (&optional newsgroups subject)
4427 "Start editing a news article to be sent."
4428 (interactive)
4429 (let ((pop-up-windows t)
4430 (special-display-buffer-names nil)
4431 (special-display-regexps nil)
4432 (same-window-buffer-names nil)
4433 (same-window-regexps nil))
4434 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)))
4435 (let ((message-this-is-news t))
4436 (message-setup `((Newsgroups . ,(or newsgroups ""))
4437 (Subject . ,(or subject ""))))))
4439 ;;;###autoload
4440 (defun message-news-other-frame (&optional newsgroups subject)
4441 "Start editing a news article to be sent."
4442 (interactive)
4443 (let ((pop-up-frames t)
4444 (special-display-buffer-names nil)
4445 (special-display-regexps nil)
4446 (same-window-buffer-names nil)
4447 (same-window-regexps nil))
4448 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)))
4449 (let ((message-this-is-news t))
4450 (message-setup `((Newsgroups . ,(or newsgroups ""))
4451 (Subject . ,(or subject ""))))))
4453 ;;; underline.el
4455 ;; This code should be moved to underline.el (from which it is stolen).
4457 ;;;###autoload
4458 (defun bold-region (start end)
4459 "Bold all nonblank characters in the region.
4460 Works by overstriking characters.
4461 Called from program, takes two arguments START and END
4462 which specify the range to operate on."
4463 (interactive "r")
4464 (save-excursion
4465 (let ((end1 (make-marker)))
4466 (move-marker end1 (max start end))
4467 (goto-char (min start end))
4468 (while (< (point) end1)
4469 (or (looking-at "[_\^@- ]")
4470 (insert (char-after) "\b"))
4471 (forward-char 1)))))
4473 ;;;###autoload
4474 (defun unbold-region (start end)
4475 "Remove all boldness (overstruck characters) in the region.
4476 Called from program, takes two arguments START and END
4477 which specify the range to operate on."
4478 (interactive "r")
4479 (save-excursion
4480 (let ((end1 (make-marker)))
4481 (move-marker end1 (max start end))
4482 (goto-char (min start end))
4483 (while (re-search-forward "\b" end1 t)
4484 (if (eq (char-after) (char-after (- (point) 2)))
4485 (delete-char -2))))))
4487 (defalias 'message-exchange-point-and-mark 'exchange-point-and-mark)
4489 ;; Support for toolbar
4490 (eval-when-compile (defvar tool-bar-map))
4491 (if (featurep 'xemacs)
4492 (require 'messagexmas)
4493 (when (and (fboundp 'tool-bar-add-item-from-menu)
4494 tool-bar-mode)
4495 (defvar message-tool-bar-map
4496 (let ((tool-bar-map (copy-keymap tool-bar-map)))
4497 ;; Zap some items which aren't so relevant and take up space.
4498 (dolist (key '(print-buffer kill-buffer save-buffer write-file
4499 dired open-file))
4500 (define-key tool-bar-map (vector key) nil))
4502 (tool-bar-add-item-from-menu
4503 'message-send-and-exit "mail_send" message-mode-map)
4504 (tool-bar-add-item-from-menu
4505 'message-kill-buffer "close" message-mode-map)
4506 (tool-bar-add-item-from-menu
4507 'message-dont-send "cancel" message-mode-map)
4508 (tool-bar-add-item-from-menu
4509 'mml-attach-file "attach" message-mode-map)
4510 (tool-bar-add-item-from-menu
4511 'ispell-message "spell" message-mode-map)
4512 tool-bar-map))))
4514 ;;; Group name completion.
4516 (defvar message-newgroups-header-regexp
4517 "^\\(Newsgroups\\|Followup-To\\|Posted-To\\|Gcc\\):"
4518 "Regexp that match headers that lists groups.")
4520 (defun message-tab ()
4521 "Expand group names in Newsgroups and Followup-To headers.
4522 Do a `tab-to-tab-stop' if not in those headers."
4523 (interactive)
4524 (if (let ((mail-abbrev-mode-regexp message-newgroups-header-regexp))
4525 (mail-abbrev-in-expansion-header-p))
4526 (message-expand-group)
4527 (tab-to-tab-stop)))
4529 (defun message-expand-group ()
4530 "Expand the group name under point."
4531 (let* ((b (save-excursion
4532 (save-restriction
4533 (narrow-to-region
4534 (save-excursion
4535 (beginning-of-line)
4536 (skip-chars-forward "^:")
4537 (1+ (point)))
4538 (point))
4539 (skip-chars-backward "^, \t\n") (point))))
4540 (completion-ignore-case t)
4541 (string (buffer-substring b (progn (skip-chars-forward "^,\t\n ")
4542 (point))))
4543 (hashtb (and (boundp 'gnus-active-hashtb) gnus-active-hashtb))
4544 (completions (all-completions string hashtb))
4545 comp)
4546 (delete-region b (point))
4547 (cond
4548 ((= (length completions) 1)
4549 (if (string= (car completions) string)
4550 (progn
4551 (insert string)
4552 (message "Only matching group"))
4553 (insert (car completions))))
4554 ((and (setq comp (try-completion string hashtb))
4555 (not (string= comp string)))
4556 (insert comp))
4558 (insert string)
4559 (if (not comp)
4560 (message "No matching groups")
4561 (save-selected-window
4562 (pop-to-buffer "*Completions*")
4563 (buffer-disable-undo)
4564 (let ((buffer-read-only nil))
4565 (erase-buffer)
4566 (let ((standard-output (current-buffer)))
4567 (display-completion-list (sort completions 'string<)))
4568 (goto-char (point-min))
4569 (delete-region (point) (progn (forward-line 3) (point))))))))))
4571 ;;; Help stuff.
4573 (defun message-talkative-question (ask question show &rest text)
4574 "Call FUNCTION with argument QUESTION; optionally display TEXT... args.
4575 If SHOW is non-nil, the arguments TEXT... are displayed in a temp buffer.
4576 The following arguments may contain lists of values."
4577 (if (and show
4578 (setq text (message-flatten-list text)))
4579 (save-window-excursion
4580 (save-excursion
4581 (with-output-to-temp-buffer " *MESSAGE information message*"
4582 (set-buffer " *MESSAGE information message*")
4583 (fundamental-mode) ; for Emacs 20.4+
4584 (mapcar 'princ text)
4585 (goto-char (point-min))))
4586 (funcall ask question))
4587 (funcall ask question)))
4589 (defun message-flatten-list (list)
4590 "Return a new, flat list that contains all elements of LIST.
4592 \(message-flatten-list '(1 (2 3 (4 5 (6))) 7))
4593 => (1 2 3 4 5 6 7)"
4594 (cond ((consp list)
4595 (apply 'append (mapcar 'message-flatten-list list)))
4596 (list
4597 (list list))))
4599 (defun message-generate-new-buffer-clone-locals (name &optional varstr)
4600 "Create and return a buffer with name based on NAME using `generate-new-buffer.'
4601 Then clone the local variables and values from the old buffer to the
4602 new one, cloning only the locals having a substring matching the
4603 regexp varstr."
4604 (let ((oldbuf (current-buffer)))
4605 (save-excursion
4606 (set-buffer (generate-new-buffer name))
4607 (message-clone-locals oldbuf varstr)
4608 (current-buffer))))
4610 (defun message-clone-locals (buffer &optional varstr)
4611 "Clone the local variables from BUFFER to the current buffer."
4612 (let ((locals (save-excursion
4613 (set-buffer buffer)
4614 (buffer-local-variables)))
4615 (regexp "^gnus\\|^nn\\|^message\\|^user-mail-address"))
4616 (mapcar
4617 (lambda (local)
4618 (when (and (consp local)
4619 (car local)
4620 (string-match regexp (symbol-name (car local)))
4621 (or (null varstr)
4622 (string-match varstr (symbol-name (car local)))))
4623 (ignore-errors
4624 (set (make-local-variable (car local))
4625 (cdr local)))))
4626 locals)))
4629 ;;; MIME functions
4632 (defvar message-inhibit-body-encoding nil)
4634 (defun message-encode-message-body ()
4635 (unless message-inhibit-body-encoding
4636 (let ((mail-parse-charset (or mail-parse-charset
4637 message-default-charset))
4638 (case-fold-search t)
4639 lines content-type-p)
4640 (message-goto-body)
4641 (save-restriction
4642 (narrow-to-region (point) (point-max))
4643 (let ((new (mml-generate-mime)))
4644 (when new
4645 (delete-region (point-min) (point-max))
4646 (insert new)
4647 (goto-char (point-min))
4648 (if (eq (aref new 0) ?\n)
4649 (delete-char 1)
4650 (search-forward "\n\n")
4651 (setq lines (buffer-substring (point-min) (1- (point))))
4652 (delete-region (point-min) (point))))))
4653 (save-restriction
4654 (message-narrow-to-headers-or-head)
4655 (message-remove-header "Mime-Version")
4656 (goto-char (point-max))
4657 (insert "MIME-Version: 1.0\n")
4658 (when lines
4659 (insert lines))
4660 (setq content-type-p
4661 (re-search-backward "^Content-Type:" nil t)))
4662 (save-restriction
4663 (message-narrow-to-headers-or-head)
4664 (message-remove-first-header "Content-Type")
4665 (message-remove-first-header "Content-Transfer-Encoding"))
4666 ;; We always make sure that the message has a Content-Type header.
4667 ;; This is because some broken MTAs and MUAs get awfully confused
4668 ;; when confronted with a message with a MIME-Version header and
4669 ;; without a Content-Type header. For instance, Solaris'
4670 ;; /usr/bin/mail.
4671 (unless content-type-p
4672 (goto-char (point-min))
4673 ;; For unknown reason, MIME-Version doesn't exist.
4674 (when (re-search-forward "^MIME-Version:" nil t)
4675 (forward-line 1)
4676 (insert "Content-Type: text/plain; charset=us-ascii\n"))))))
4678 (defun message-read-from-minibuffer (prompt)
4679 "Read from the minibuffer while providing abbrev expansion."
4680 (if (fboundp 'mail-abbrevs-setup)
4681 (let ((mail-abbrev-mode-regexp "")
4682 (minibuffer-setup-hook 'mail-abbrevs-setup))
4683 (read-from-minibuffer prompt))
4684 (let ((minibuffer-setup-hook 'mail-abbrev-minibuffer-setup-hook))
4685 (read-string prompt))))
4687 (defun message-use-alternative-email-as-from ()
4688 (require 'mail-utils)
4689 (let* ((fields '("To" "Cc"))
4690 (emails
4691 (split-string
4692 (mail-strip-quoted-names
4693 (mapconcat 'message-fetch-reply-field fields ","))
4694 "[ \f\t\n\r\v,]+"))
4695 email)
4696 (while emails
4697 (if (string-match message-alternative-emails (car emails))
4698 (setq email (car emails)
4699 emails nil))
4700 (pop emails))
4701 (unless (or (not email) (equal email user-mail-address))
4702 (goto-char (point-max))
4703 (insert "From: " email "\n"))))
4705 (provide 'message)
4707 (run-hooks 'message-load-hook)
4709 ;; Local Variables:
4710 ;; coding: iso-8859-1
4711 ;; End:
4713 ;;; message.el ends here