1 ;;; message.el --- composing mail and news messages -*- coding: iso-latin-1 -*-
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
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)
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.
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.
35 (defvar gnus-list-identifiers)) ; gnus-sum is required where necessary
38 ;; This is apparently necessary even though things are autoloaded:
39 (if (featurep 'xemacs)
40 (require 'mail-abbrevs))
45 (defgroup message '((user-mail-address custom-variable)
46 (user-full-name custom-variable))
47 "Mail and news message composing."
48 :link '(custom-manual "(message)Top")
52 (put 'user-mail-address 'custom-type 'string)
53 (put 'user-full-name 'custom-type 'string)
55 (defgroup message-various nil
56 "Various Message Variables"
57 :link '(custom-manual "(message)Various Message Variables")
60 (defgroup message-buffers nil
62 :link '(custom-manual "(message)Message Buffers")
65 (defgroup message-sending nil
67 :link '(custom-manual "(message)Sending Variables")
70 (defgroup message-interface nil
72 :link '(custom-manual "(message)Interface")
75 (defgroup message-forwarding nil
77 :link '(custom-manual "(message)Forwarding")
78 :group 'message-interface)
80 (defgroup message-insertion nil
82 :link '(custom-manual "(message)Insertion")
85 (defgroup message-headers nil
87 :link '(custom-manual "(message)Message Headers")
90 (defgroup message-news nil
91 "Composing News Messages"
94 (defgroup message-mail nil
95 "Composing Mail Messages"
98 (defgroup message-faces nil
99 "Faces used for message composing."
103 (defcustom message-directory "~/Mail/"
104 "*Directory from which all other mail file variables are derived."
105 :group 'message-various
108 (defcustom message-max-buffers 10
109 "*How many buffers to keep before starting to kill them off."
110 :group 'message-buffers
113 (defcustom message-send-rename-function nil
114 "Function called to rename the buffer after sending it."
115 :group 'message-buffers
116 :type '(choice function (const nil)))
118 (defcustom message-fcc-handler-function 'message-output
119 "*A function called to save outgoing articles.
120 This function will be called with the name of the file to store the
121 article in. The default function is `message-output' which saves in Unix
123 :type '(radio (function-item message-output)
124 (function :tag "Other"))
125 :group 'message-sending)
127 (defcustom message-courtesy-message
128 "The following message is a courtesy copy of an article\nthat has been posted to %s as well.\n\n"
129 "*This is inserted at the start of a mailed copy of a posted message.
130 If the string contains the format spec \"%s\", the Newsgroups
131 the article has been posted to will be inserted there.
132 If this variable is nil, no such courtesy message will be added."
133 :group 'message-sending
136 (defcustom message-ignored-bounced-headers "^\\(Received\\|Return-Path\\):"
137 "*Regexp that matches headers to be removed in resent bounced mail."
138 :group 'message-interface
142 (defcustom message-from-style 'default
143 "*Specifies how \"From\" headers look.
145 If nil, they contain just the return address like:
147 If `parens', they look like:
148 king@grassland.com (Elvis Parsley)
149 If `angles', they look like:
150 Elvis Parsley <king@grassland.com>
152 Otherwise, most addresses look like `angles', but they look like
153 `parens' if `angles' would need quoting and `parens' would not."
154 :type '(choice (const :tag "simple" nil)
158 :group 'message-headers)
160 (defcustom message-syntax-checks nil
161 ;; Guess this one shouldn't be easy to customize...
162 "*Controls what syntax checks should not be performed on outgoing posts.
163 To disable checking of long signatures, for instance, add
164 `(signature . disabled)' to this list.
166 Don't touch this variable unless you really know what you're doing.
168 Checks include `subject-cmsg', `multiple-headers', `sendsys',
169 `message-id', `from', `long-lines', `control-chars', `size',
170 `new-text', `quoting-style', `redirected-followup', `signature',
171 `approved', `sender', `empty', `empty-headers', `message-id', `from',
172 `subject', `shorten-followup-to', `existing-newsgroups',
173 `buffer-file-name', `unchanged', `newsgroups', `reply-to'."
175 :type '(repeat sexp)) ; Fixme: improve this
177 (defcustom message-required-news-headers
178 '(From Newsgroups Subject Date Message-ID
179 (optional . Organization) Lines
180 (optional . User-Agent))
181 "*Headers to be generated or prompted for when posting an article.
182 RFC977 and RFC1036 require From, Date, Newsgroups, Subject,
183 Message-ID. Organization, Lines, In-Reply-To, Expires, and
184 User-Agent are optional. If don't you want message to insert some
185 header, remove it from this list."
187 :group 'message-headers
188 :type '(repeat sexp))
190 (defcustom message-required-mail-headers
191 '(From Subject Date (optional . In-Reply-To) Message-ID Lines
192 (optional . User-Agent))
193 "*Headers to be generated or prompted for when mailing a message.
194 It is recommended that From, Date, To, Subject and Message-ID be
195 included. Organization, Lines and User-Agent are optional."
197 :group 'message-headers
198 :type '(repeat sexp))
200 (defcustom message-deletable-headers '(Message-ID Date Lines)
201 "Headers to be deleted if they already exist and were generated by message previously."
202 :group 'message-headers
205 (defcustom message-ignored-news-headers
206 "^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:\\|^X-Draft-From:"
207 "*Regexp of headers to be removed unconditionally before posting."
209 :group 'message-headers
212 (defcustom message-ignored-mail-headers
213 "^[GF]cc:\\|^Resent-Fcc:\\|^Xref:\\|^X-Draft-From:"
214 "*Regexp of headers to be removed unconditionally before mailing."
216 :group 'message-headers
219 (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:"
220 "*Header lines matching this regexp will be deleted before posting.
221 It's best to delete old Path and Date headers before posting to avoid
223 :group 'message-interface
226 (defcustom message-subject-re-regexp "^[ \t]*\\([Rr][Ee]:[ \t]*\\)*[ \t]*"
227 "*Regexp matching \"Re: \" in the subject line."
228 :group 'message-various
232 (defcustom message-signature-separator "^-- *$"
233 "Regexp matching the signature separator."
235 :group 'message-various)
237 (defcustom message-elide-ellipsis "\n[...]\n\n"
238 "*The string which is inserted for elided text."
240 :group 'message-various)
242 (defcustom message-interactive nil
243 "Non-nil means when sending a message wait for and display errors.
244 nil means let mailer mail back a message to report errors."
245 :group 'message-sending
249 (defcustom message-generate-new-buffers 'unique
250 "*Non-nil means create a new message buffer whenever `message-setup' is called.
251 If this is a function, call that function with three parameters: The type,
252 the to address and the group name. (Any of these may be nil.) The function
253 should return the new buffer name."
254 :group 'message-buffers
255 :type '(choice (const :tag "off" nil)
256 (const :tag "unique" unique)
257 (const :tag "unsent" unsent)
260 (defcustom message-kill-buffer-on-exit nil
261 "*Non-nil means that the message buffer will be killed after sending a message."
262 :group 'message-buffers
266 (defvar gnus-local-organization))
267 (defcustom message-user-organization
268 (or (and (boundp 'gnus-local-organization)
269 (stringp gnus-local-organization)
270 gnus-local-organization)
271 (getenv "ORGANIZATION")
273 "*String to be used as an Organization header.
274 If t, use `message-user-organization-file'."
275 :group 'message-headers
276 :type '(choice string
277 (const :tag "consult file" t)))
280 (defcustom message-user-organization-file "/usr/lib/news/organization"
281 "*Local news organization file."
283 :group 'message-headers)
285 (defcustom message-make-forward-subject-function
286 'message-forward-subject-author-subject
287 "*List of functions called to generate subject headers for forwarded messages.
288 The subject generated by the previous function is passed into each
291 The provided functions are:
293 * `message-forward-subject-author-subject' (Source of article (author or
294 newsgroup)), in brackets followed by the subject
295 * `message-forward-subject-fwd' (Subject of article with 'Fwd:' prepended
297 :group 'message-forwarding
298 :type '(radio (function-item message-forward-subject-author-subject)
299 (function-item message-forward-subject-fwd)
300 (repeat :tag "List of functions" function)))
302 (defcustom message-forward-as-mime t
303 "*If non-nil, forward messages as an inline/rfc822 MIME section. Otherwise, directly inline the old message in the forwarded message."
305 :group 'message-forwarding
308 (defcustom message-forward-show-mml t
309 "*If non-nil, forward messages are shown as mml. Otherwise, forward messages are unchanged."
311 :group 'message-forwarding
314 (defcustom message-forward-before-signature t
315 "*If non-nil, put forwarded message before signature, else after."
316 :group 'message-forwarding
319 (defcustom message-wash-forwarded-subjects nil
320 "*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."
321 :group 'message-forwarding
324 (defcustom message-ignored-resent-headers "^Return-receipt\\|^X-Gnus\\|^Gnus-Warning:"
325 "*All headers that match this regexp will be deleted when resending a message."
326 :group 'message-interface
329 (defcustom message-forward-ignored-headers "^Content-Transfer-Encoding:\\|^X-Gnus"
330 "*All headers that match this regexp will be deleted when forwarding a message."
332 :group 'message-forwarding
333 :type '(choice (const :tag "None" nil)
336 (defcustom message-ignored-cited-headers "."
337 "*Delete these headers from the messages you yank."
338 :group 'message-insertion
341 (defcustom message-cite-prefix-regexp
342 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
343 "\\([ \t]*[-_.[:word:]]+>+\\|[ \t]*[]>»|:}+]\\)+"
344 ;; ?-, ?_ or ?. MUST NOT be in syntax entry w.
345 "\\([ \t]*\\(\\w\\|[-_.]\\)+>+\\|[ \t]*[]>»|:}+]\\)+")
346 "*Regexp matching the longest possible citation prefix on a line."
347 :group 'message-insertion
350 (defcustom message-cancel-message "I am canceling my own article.\n"
351 "Message to be inserted in the cancel message."
352 :group 'message-interface
355 ;; Useful to set in site-init.el
357 (defcustom message-send-mail-function 'message-send-mail-with-sendmail
358 "Function to call to send the current buffer as mail.
359 The headers should be delimited by a line whose contents match the
360 variable `mail-header-separator'.
362 Valid values include `message-send-mail-with-sendmail' (the default),
363 `message-send-mail-with-mh', `message-send-mail-with-qmail',
364 `smtpmail-send-it' and `feedmail-send-it'.
366 See also `send-mail-function'."
367 :type '(radio (function-item message-send-mail-with-sendmail)
368 (function-item message-send-mail-with-mh)
369 (function-item message-send-mail-with-qmail)
370 (function-item smtpmail-send-it)
371 (function-item feedmail-send-it)
372 (function :tag "Other"))
373 :group 'message-sending
374 :group 'message-mail)
376 (defcustom message-send-news-function 'message-send-news
377 "Function to call to send the current buffer as news.
378 The headers should be delimited by a line whose contents match the
379 variable `mail-header-separator'."
380 :group 'message-sending
384 (defcustom message-reply-to-function nil
385 "If non-nil, function that should return a list of headers.
386 This function should pick out addresses from the To, Cc, and From headers
387 and respond with new To and Cc headers."
388 :group 'message-interface
389 :type '(choice function (const nil)))
391 (defcustom message-wide-reply-to-function nil
392 "If non-nil, function that should return a list of headers.
393 This function should pick out addresses from the To, Cc, and From headers
394 and respond with new To and Cc headers."
395 :group 'message-interface
396 :type '(choice function (const nil)))
398 (defcustom message-followup-to-function nil
399 "If non-nil, function that should return a list of headers.
400 This function should pick out addresses from the To, Cc, and From headers
401 and respond with new To and Cc headers."
402 :group 'message-interface
403 :type '(choice function (const nil)))
405 (defcustom message-use-followup-to 'ask
406 "*Specifies what to do with Followup-To header.
407 If nil, always ignore the header. If it is t, use its value, but
408 query before using the \"poster\" value. If it is the symbol `ask',
409 always query the user whether to use the value. If it is the symbol
410 `use', always use the value."
411 :group 'message-interface
412 :type '(choice (const :tag "ignore" nil)
413 (const :tag "use & query" t)
417 (defcustom message-use-mail-followup-to 'use
418 "*Specifies what to do with Mail-Followup-To header.
419 If nil, always ignore the header. If it is the symbol `ask', always
420 query the user whether to use the value. If it is the symbol `use',
421 always use the value."
422 :group 'message-interface
423 :type '(choice (const :tag "ignore" nil)
427 (defcustom message-sendmail-f-is-evil nil
428 "*Non-nil means don't add \"-f username\" to the sendmail command line.
429 Doing so would be even more evil than leaving it out."
430 :group 'message-sending
433 ;; qmail-related stuff
434 (defcustom message-qmail-inject-program "/var/qmail/bin/qmail-inject"
435 "Location of the qmail-inject program."
436 :group 'message-sending
439 (defcustom message-qmail-inject-args nil
440 "Arguments passed to qmail-inject programs.
441 This should be a list of strings, one string for each argument.
443 For e.g., if you wish to set the envelope sender address so that bounces
444 go to the right place or to deal with listserv's usage of that address, you
445 might set this variable to '(\"-f\" \"you@some.where\")."
446 :group 'message-sending
447 :type '(repeat string))
449 (defvar message-cater-to-broken-inn t
450 "Non-nil means Gnus should not fold the `References' header.
451 Folding `References' makes ancient versions of INN create incorrect
455 (defvar gnus-post-method)
456 (defvar gnus-select-method))
457 (defcustom message-post-method
458 (cond ((and (boundp 'gnus-post-method)
459 (listp gnus-post-method)
462 ((boundp 'gnus-select-method)
465 "*Method used to post news.
466 Note that when posting from inside Gnus, for instance, this
467 variable isn't used."
469 :group 'message-sending
470 ;; This should be the `gnus-select-method' widget, but that might
471 ;; create a dependence to `gnus.el'.
474 (defcustom message-generate-headers-first nil
475 "*If non-nil, generate all required headers before composing.
476 The variables `message-required-news-headers' and
477 `message-required-mail-headers' specify which headers to generate.
479 Note that the variable `message-deletable-headers' specifies headers which
480 are to be deleted and then re-generated before sending, so this variable
481 will not have a visible effect for those headers."
482 :group 'message-headers
485 (defcustom message-setup-hook nil
486 "Normal hook, run each time a new outgoing message is initialized.
487 The function `message-setup' runs this hook."
488 :group 'message-various
491 (defcustom message-cancel-hook nil
492 "Hook run when cancelling articles."
493 :group 'message-various
496 (defcustom message-signature-setup-hook nil
497 "Normal hook, run each time a new outgoing message is initialized.
498 It is run after the headers have been inserted and before
499 the signature is inserted."
500 :group 'message-various
503 (defcustom message-mode-hook nil
504 "Hook run in message mode buffers."
505 :group 'message-various
508 (defcustom message-header-hook nil
509 "Hook run in a message mode buffer narrowed to the headers."
510 :group 'message-various
513 (defcustom message-header-setup-hook nil
514 "Hook called narrowed to the headers when setting up a message buffer."
515 :group 'message-various
518 (defcustom message-minibuffer-local-map
519 (let ((map (make-sparse-keymap 'message-minibuffer-local-map)))
520 (set-keymap-parent map minibuffer-local-map)
522 "Keymap for `message-read-from-minibuffer'.")
525 (defcustom message-citation-line-function 'message-insert-citation-line
526 "*Function called to insert the \"Whomever writes:\" line.
528 Note that Gnus provides a feature where the reader can click on
529 `writes:' to hide the cited text. If you change this line too much,
530 people who read your message will have to change their Gnus
531 configuration. See the variable `gnus-cite-attribution-suffix'."
533 :group 'message-insertion)
536 (defcustom message-yank-prefix "> "
537 "*Prefix inserted on the lines of yanked messages.
538 Fix `message-cite-prefix-regexp' if it is set to an abnormal value.
539 See also `message-yank-cited-prefix'."
541 :group 'message-insertion)
543 (defcustom message-yank-cited-prefix ">"
544 "*Prefix inserted on cited or empty lines of yanked messages.
545 Fix `message-cite-prefix-regexp' if it is set to an abnormal value.
546 See also `message-yank-prefix'."
548 :group 'message-insertion)
550 (defcustom message-indentation-spaces 3
551 "*Number of spaces to insert at the beginning of each cited line.
552 Used by `message-yank-original' via `message-yank-cite'."
553 :group 'message-insertion
557 (defcustom message-cite-function 'message-cite-original
558 "*Function for citing an original message.
559 Predefined functions include `message-cite-original' and
560 `message-cite-original-without-signature'.
561 Note that `message-cite-original' uses `mail-citation-hook' if that is non-nil."
562 :type '(radio (function-item message-cite-original)
563 (function-item message-cite-original-without-signature)
564 (function-item sc-cite-original)
565 (function :tag "Other"))
566 :group 'message-insertion)
569 (defcustom message-indent-citation-function 'message-indent-citation
570 "*Function for modifying a citation just inserted in the mail buffer.
571 This can also be a list of functions. Each function can find the
572 citation between (point) and (mark t). And each function should leave
573 point and mark around the citation text as modified."
575 :group 'message-insertion)
577 (defvar message-abbrevs-loaded nil)
580 (defcustom message-signature t
581 "*String to be inserted at the end of the message buffer.
582 If t, the `message-signature-file' file will be inserted instead.
583 If a function, the result from the function will be used instead.
584 If a form, the result from the form will be used instead."
586 :group 'message-insertion)
589 (defcustom message-signature-file "~/.signature"
590 "*Name of file containing the text inserted at end of message buffer.
591 Ignored if the named file doesn't exist.
592 If nil, don't insert a signature."
593 :type '(choice file (const :tags "None" nil))
594 :group 'message-insertion)
596 (defcustom message-distribution-function nil
597 "*Function called to return a Distribution header."
599 :group 'message-headers
600 :type '(choice function (const nil)))
602 (defcustom message-expires 14
603 "Number of days before your article expires."
605 :group 'message-headers
606 :link '(custom-manual "(message)News Headers")
609 (defcustom message-user-path nil
610 "If nil, use the NNTP server name in the Path header.
611 If stringp, use this; if non-nil, use no host name (user name only)."
613 :group 'message-headers
614 :link '(custom-manual "(message)News Headers")
615 :type '(choice (const :tag "nntp" nil)
617 (sexp :tag "none" :format "%t" t)))
619 (defvar message-reply-buffer nil)
620 (defvar message-reply-headers nil)
621 (defvar message-newsreader nil)
622 (defvar message-mailer nil)
623 (defvar message-sent-message-via nil)
624 (defvar message-checksum nil)
625 (defvar message-send-actions nil
626 "A list of actions to be performed upon successful sending of a message.")
627 (defvar message-exit-actions nil
628 "A list of actions to be performed upon exiting after sending a message.")
629 (defvar message-kill-actions nil
630 "A list of actions to be performed before killing a message buffer.")
631 (defvar message-postpone-actions nil
632 "A list of actions to be performed after postponing a message.")
634 (define-widget 'message-header-lines 'text
635 "All header lines must be LFD terminated."
636 :format "%{%t%}:%n%v"
638 :error "All header lines must be newline terminated")
640 (defcustom message-default-headers ""
641 "*A string containing header lines to be inserted in outgoing messages.
642 It is inserted before you edit the message, so you can edit or delete
644 :group 'message-headers
645 :type 'message-header-lines)
647 (defcustom message-default-mail-headers ""
648 "*A string of header lines to be inserted in outgoing mails."
649 :group 'message-headers
651 :type 'message-header-lines)
653 (defcustom message-default-news-headers ""
654 "*A string of header lines to be inserted in outgoing news articles."
655 :group 'message-headers
657 :type 'message-header-lines)
659 ;; Note: could use /usr/ucb/mail instead of sendmail;
660 ;; options -t, and -v if not interactive.
661 (defcustom message-mailer-swallows-blank-line
662 (if (and (string-match "sparc-sun-sunos\\(\\'\\|[^5]\\)"
663 system-configuration)
664 (file-readable-p "/etc/sendmail.cf")
665 (let ((buffer (get-buffer-create " *temp*")))
669 (insert-file-contents "/etc/sendmail.cf")
670 (goto-char (point-min))
671 (let ((case-fold-search nil))
672 (re-search-forward "^OR\\>" nil t)))
673 (kill-buffer buffer))))
674 ;; According to RFC822, "The field-name must be composed of printable
675 ;; ASCII characters (i. e., characters that have decimal values between
676 ;; 33 and 126, except colon)", i. e., any chars except ctl chars,
678 '(looking-at "[ \t]\\|[][!\"#$%&'()*+,-./0-9;<=>?@A-Z\\\\^_`a-z{|}~]+:"))
679 "*Set this non-nil if the system's mailer runs the header and body together.
680 \(This problem exists on Sunos 4 when sendmail is run in remote mode.)
681 The value should be an expression to test whether the problem will
683 :group 'message-sending
687 (define-mail-user-agent 'message-user-agent
688 'message-mail 'message-send-and-exit
689 'message-kill-buffer 'message-send-hook)
691 (defvar message-mh-deletable-headers '(Message-ID Date Lines Sender)
692 "If non-nil, delete the deletable headers before feeding to mh.")
694 (defvar message-send-method-alist
695 '((news message-news-p message-send-via-news)
696 (mail message-mail-p message-send-via-mail))
697 "Alist of ways to send outgoing messages.
698 Each element has the form
700 \(TYPE PREDICATE FUNCTION)
702 where TYPE is a symbol that names the method; PREDICATE is a function
703 called without any parameters to determine whether the message is
704 a message of type TYPE; and FUNCTION is a function to be called if
705 PREDICATE returns non-nil. FUNCTION is called with one parameter --
708 (defcustom message-mail-alias-type 'abbrev
709 "*What alias expansion type to use in Message buffers.
710 The default is `abbrev', which uses mailabbrev. nil switches
713 :link '(custom-manual "(message)Mail Aliases")
714 :type '(choice (const :tag "Use Mailabbrev" abbrev)
715 (const :tag "No expansion" nil)))
717 (defcustom message-auto-save-directory
718 (file-name-as-directory (nnheader-concat message-directory "drafts"))
719 "*Directory where Message auto-saves buffers if Gnus isn't running.
720 If nil, Message won't auto-save."
721 :group 'message-buffers
722 :type '(choice directory (const :tag "Don't auto-save" nil)))
724 (defcustom message-buffer-naming-style 'unique
725 "*The way new message buffers are named.
726 Valid valued are `unique' and `unsent'."
728 :group 'message-buffers
729 :type '(choice (const :tag "unique" unique)
730 (const :tag "unsent" unsent)))
732 (defcustom message-default-charset
733 (and (not (mm-multibyte-p)) 'iso-8859-1)
734 "Default charset used in non-MULE Emacsen.
735 If nil, you might be asked to input the charset."
740 (defcustom message-dont-reply-to-names
741 (and (boundp 'rmail-dont-reply-to-names) rmail-dont-reply-to-names)
742 "*A regexp specifying addresses to prune when doing wide replies.
743 A value of nil means exclude your own user name only."
746 :type '(choice (const :tag "Yourself" nil)
749 (defvar message-shoot-gnksa-feet nil
750 "*A list of GNKSA feet you are allowed to shoot.
751 Gnus gives you all the opportunity you could possibly want for
752 shooting yourself in the foot. Also, Gnus allows you to shoot the
753 feet of Good Net-Keeping Seal of Approval. The following are foot
755 `empty-article' Allow you to post an empty article;
756 `quoted-text-only' Allow you to post quoted text only;
757 `multiple-copies' Allow you to post multiple copies.")
758 ;; `cancel-messages' Allow you to cancel or supersede others' messages.
760 (defsubst message-gnksa-enable-p (feature)
761 (or (not (listp message-shoot-gnksa-feet))
762 (memq feature message-shoot-gnksa-feet)))
764 ;;; Internal variables.
765 ;;; Well, not really internal.
767 (defvar message-mode-syntax-table
768 (let ((table (copy-syntax-table text-mode-syntax-table)))
769 (modify-syntax-entry ?% ". " table)
770 (modify-syntax-entry ?> ". " table)
771 (modify-syntax-entry ?< ". " table)
773 "Syntax table used while in Message mode.")
775 (defface message-header-to-face
778 (:foreground "green2" :bold t))
781 (:foreground "MidnightBlue" :bold t))
783 (:bold t :italic t)))
784 "Face used for displaying From headers."
785 :group 'message-faces)
787 (defface message-header-cc-face
790 (:foreground "green4" :bold t))
793 (:foreground "MidnightBlue"))
796 "Face used for displaying Cc headers."
797 :group 'message-faces)
799 (defface message-header-subject-face
802 (:foreground "green3"))
805 (:foreground "navy blue" :bold t))
808 "Face used for displaying subject headers."
809 :group 'message-faces)
811 (defface message-header-newsgroups-face
814 (:foreground "yellow" :bold t :italic t))
817 (:foreground "blue4" :bold t :italic t))
819 (:bold t :italic t)))
820 "Face used for displaying newsgroups headers."
821 :group 'message-faces)
823 (defface message-header-other-face
826 (:foreground "#b00000"))
829 (:foreground "steel blue"))
831 (:bold t :italic t)))
832 "Face used for displaying newsgroups headers."
833 :group 'message-faces)
835 (defface message-header-name-face
838 (:foreground "DarkGreen"))
841 (:foreground "cornflower blue"))
844 "Face used for displaying header names."
845 :group 'message-faces)
847 (defface message-header-xheader-face
850 (:foreground "blue"))
853 (:foreground "blue"))
856 "Face used for displaying X-Header headers."
857 :group 'message-faces)
859 (defface message-separator-face
862 (:foreground "blue3"))
865 (:foreground "brown"))
868 "Face used for displaying the separator."
869 :group 'message-faces)
871 (defface message-cited-text-face
880 "Face used for displaying cited text names."
881 :group 'message-faces)
883 (defface message-mml-face
886 (:foreground "ForestGreen"))
889 (:foreground "ForestGreen"))
892 "Face used for displaying MML."
893 :group 'message-faces)
895 (defvar message-font-lock-keywords
896 (let ((content "[ \t]*\\(.+\\(\n[ \t].*\\)*\\)\n?"))
897 `((,(concat "^\\([Tt]o:\\)" content)
898 (1 'message-header-name-face)
899 (2 'message-header-to-face nil t))
900 (,(concat "^\\(^[GBF]?[Cc][Cc]:\\|^[Rr]eply-[Tt]o:\\)" content)
901 (1 'message-header-name-face)
902 (2 'message-header-cc-face nil t))
903 (,(concat "^\\([Ss]ubject:\\)" content)
904 (1 'message-header-name-face)
905 (2 'message-header-subject-face nil t))
906 (,(concat "^\\([Nn]ewsgroups:\\|Followup-[Tt]o:\\)" content)
907 (1 'message-header-name-face)
908 (2 'message-header-newsgroups-face nil t))
909 (,(concat "^\\([A-Z][^: \n\t]+:\\)" content)
910 (1 'message-header-name-face)
911 (2 'message-header-other-face nil t))
912 (,(concat "^\\(X-[A-Za-z0-9-]+\\|In-Reply-To\\):" content)
913 (1 'message-header-name-face)
914 (2 'message-header-name-face))
915 ,@(if (and mail-header-separator
916 (not (equal mail-header-separator "")))
917 `((,(concat "^\\(" (regexp-quote mail-header-separator) "\\)$")
918 1 'message-separator-face))
920 (,(concat "^\\(" message-cite-prefix-regexp "\\).*")
921 (0 'message-cited-text-face))
922 ("<#/?\\(multipart\\|part\\|external\\|mml\\).*>"
923 (0 'message-mml-face))))
924 "Additional expressions to highlight in Message mode.")
926 ;; XEmacs does it like this. For Emacs, we have to set the
927 ;; `font-lock-defaults' buffer-local variable.
928 (put 'message-mode 'font-lock-defaults '(message-font-lock-keywords t))
930 (defvar message-face-alist
931 '((bold . bold-region)
932 (underline . underline-region)
933 (default . (lambda (b e)
935 (ununderline-region b e))))
936 "Alist of mail and news faces for facemenu.
937 The cdr of ech entry is a function for applying the face to a region.")
939 (defcustom message-send-hook nil
940 "Hook run before sending messages."
941 :group 'message-various
942 :options '(ispell-message)
945 (defcustom message-send-mail-hook nil
946 "Hook run before sending mail messages."
947 :group 'message-various
950 (defcustom message-send-news-hook nil
951 "Hook run before sending news messages."
952 :group 'message-various
955 (defcustom message-sent-hook nil
956 "Hook run after sending messages."
957 :group 'message-various
960 (defvar message-send-coding-system 'binary
961 "Coding system to encode outgoing mail.")
963 (defvar message-draft-coding-system
964 mm-auto-save-coding-system
965 "Coding system to compose mail.")
967 (defcustom message-send-mail-partially-limit 1000000
968 "The limitation of messages sent as message/partial.
969 The lower bound of message size in characters, beyond which the message
970 should be sent in several parts. If it is nil, the size is unlimited."
972 :group 'message-buffers
973 :type '(choice (const :tag "unlimited" nil)
976 (defcustom message-alternative-emails nil
977 "A regexp to match the alternative email addresses.
978 The first matched address (not primary one) is used in the From field."
979 :group 'message-headers
980 :type '(choice (const :tag "Always use primary" nil)
983 (defcustom message-mail-user-agent nil
984 "Like `mail-user-agent'.
985 Except if it is nil, use Gnus native MUA; if it is t, use
987 :type '(radio (const :tag "Gnus native"
990 (const :tag "`mail-user-agent'"
993 (function-item :tag "Default Emacs mail"
996 (function-item :tag "Emacs interface to MH"
999 (function :tag "Other"))
1003 (defcustom message-wide-reply-confirm-recipients nil
1004 "Whether to confirm a wide reply to multiple email recipients.
1005 If this variable is nil, don't ask whether to reply to all recipients.
1006 If this variable is non-nil, pose the question \"Reply to all
1007 recipients?\" before a wide reply to multiple recipients. If the user
1008 answers yes, reply to all recipients as usual. If the user answers
1009 no, only reply back to the author."
1010 :group 'message-headers
1013 ;;; Internal variables.
1015 (defvar message-sending-message "Sending...")
1016 (defvar message-buffer-list nil)
1017 (defvar message-this-is-news nil)
1018 (defvar message-this-is-mail nil)
1019 (defvar message-draft-article nil)
1020 (defvar message-mime-part nil)
1021 (defvar message-posting-charset nil)
1023 ;; Byte-compiler warning
1025 (defvar gnus-active-hashtb)
1026 (defvar gnus-read-active-file))
1028 ;;; Regexp matching the delimiter of messages in UNIX mail format
1029 ;;; (UNIX From lines), minus the initial ^. It should be a copy
1030 ;;; of rmail.el's rmail-unix-mail-delimiter.
1031 (defvar message-unix-mail-delimiter
1032 (let ((time-zone-regexp
1033 (concat "\\([A-Z]?[A-Z]?[A-Z][A-Z]\\( DST\\)?"
1034 "\\|[-+]?[0-9][0-9][0-9][0-9]"
1040 ;; Many things can happen to an RFC 822 mailbox before it is put into
1041 ;; a `From' line. The leading phrase can be stripped, e.g.
1042 ;; `Joe <@w.x:joe@y.z>' -> `<@w.x:joe@y.z>'. The <> can be stripped, e.g.
1043 ;; `<@x.y:joe@y.z>' -> `@x.y:joe@y.z'. Everything starting with a CRLF
1044 ;; can be removed, e.g.
1045 ;; From: joe@y.z (Joe K
1047 ;; can yield `From joe@y.z (Joe K Fri Mar 22 08:11:15 1996', and
1050 ;; can yield `From Joe User Fri Mar 22 08:11:15 1996'.
1051 ;; The mailbox can be removed or be replaced by white space, e.g.
1052 ;; From: "Joe User"{space}{tab}
1054 ;; can yield `From {space}{tab} Fri Mar 22 08:11:15 1996',
1055 ;; where {space} and {tab} represent the Ascii space and tab characters.
1056 ;; We want to match the results of any of these manglings.
1057 ;; The following regexp rejects names whose first characters are
1058 ;; obviously bogus, but after that anything goes.
1059 "\\([^\0-\b\n-\r\^?].*\\)? "
1061 ;; The time the message was sent.
1062 "\\([^\0-\r \^?]+\\) +" ; day of the week
1063 "\\([^\0-\r \^?]+\\) +" ; month
1064 "\\([0-3]?[0-9]\\) +" ; day of month
1065 "\\([0-2][0-9]:[0-5][0-9]\\(:[0-6][0-9]\\)?\\) *" ; time of day
1067 ;; Perhaps a time zone, specified by an abbreviation, or by a
1072 " \\([0-9][0-9]+\\) *"
1074 ;; On some systems the time zone can appear after the year, too.
1078 "\\(remote from .*\\)?"
1081 "Regexp matching the delimiter of messages in UNIX mail format.")
1083 (defvar message-unsent-separator
1084 (concat "^ *---+ +Unsent message follows +---+ *$\\|"
1085 "^ *---+ +Returned message +---+ *$\\|"
1086 "^Start of returned message$\\|"
1087 "^ *---+ +Original message +---+ *$\\|"
1088 "^ *--+ +begin message +--+ *$\\|"
1089 "^ *---+ +Original message follows +---+ *$\\|"
1090 "^ *---+ +Undelivered message follows +---+ *$\\|"
1091 "^|? *---+ +Message text follows: +---+ *|?$")
1092 "A regexp that matches the separator before the text of a failed message.")
1094 (defvar message-header-format-alist
1096 (To . message-fill-address)
1097 (Cc . message-fill-address)
1108 (References . message-shorten-references)
1110 "Alist used for formatting headers.")
1112 (defvar message-options nil
1113 "Some saved answers when sending message.")
1115 (defvar message-send-mail-real-function nil
1116 "Internal send mail function.")
1118 (defvar message-bogus-system-names "^localhost\\."
1119 "The regexp of bogus system names.")
1122 (autoload 'message-setup-toolbar "messagexmas")
1123 (autoload 'mh-new-draft-name "mh-comp")
1124 (autoload 'mh-send-letter "mh-comp")
1125 (autoload 'gnus-point-at-eol "gnus-util")
1126 (autoload 'gnus-point-at-bol "gnus-util")
1127 (autoload 'gnus-output-to-rmail "gnus-util")
1128 (autoload 'gnus-output-to-mail "gnus-util")
1129 (autoload 'mail-abbrev-in-expansion-header-p "mailabbrev")
1130 (autoload 'nndraft-request-associate-buffer "nndraft")
1131 (autoload 'nndraft-request-expire-articles "nndraft")
1132 (autoload 'gnus-open-server "gnus-int")
1133 (autoload 'gnus-request-post "gnus-int")
1134 (autoload 'gnus-alive-p "gnus-util")
1135 (autoload 'gnus-server-string "gnus")
1136 (autoload 'gnus-group-name-charset "gnus-group")
1137 (autoload 'gnus-group-name-decode "gnus-group")
1138 (autoload 'gnus-groups-from-server "gnus")
1139 (autoload 'rmail-output "rmailout"))
1144 ;;; Utility functions.
1147 (defmacro message-y-or-n-p (question show &rest text)
1148 "Ask QUESTION, displaying remaining args in a temporary buffer if SHOW."
1149 `(message-talkative-question 'y-or-n-p ,question ,show ,@text))
1151 (defmacro message-delete-line (&optional n)
1152 "Delete the current line (and the next N lines)."
1153 `(delete-region (progn (beginning-of-line) (point))
1154 (progn (forward-line ,(or n 1)) (point))))
1156 (defun message-unquote-tokens (elems)
1157 "Remove double quotes (\") from strings in list ELEMS."
1158 (mapcar (lambda (item)
1159 (while (string-match "^\\(.*\\)\"\\(.*\\)$" item)
1160 (setq item (concat (match-string 1 item)
1161 (match-string 2 item))))
1165 (defun message-tokenize-header (header &optional separator)
1166 "Split HEADER into a list of header elements.
1167 SEPARATOR is a string of characters to be used as separators. \",\"
1168 is used by default."
1171 (let ((regexp (format "[%s]+" (or separator ",")))
1176 (message-set-work-buffer)
1178 (goto-char (point-min))
1183 (cond ((and (> (point) beg)
1185 (and (looking-at regexp)
1188 (push (buffer-substring beg (point)) elems)
1189 (setq beg (match-end 0)))
1190 ((eq (char-after) ?\")
1191 (setq quoted (not quoted)))
1192 ((and (eq (char-after) ?\()
1195 ((and (eq (char-after) ?\))
1198 (nreverse elems)))))
1200 (defun message-mail-file-mbox-p (file)
1201 "Say whether FILE looks like a Unix mbox file."
1202 (when (and (file-exists-p file)
1203 (file-readable-p file)
1204 (file-regular-p file))
1206 (nnheader-insert-file-contents file)
1207 (goto-char (point-min))
1208 (looking-at message-unix-mail-delimiter))))
1210 (defun message-fetch-field (header &optional not-all)
1211 "The same as `mail-fetch-field', only remove all newlines."
1212 (let* ((inhibit-point-motion-hooks t)
1213 (case-fold-search t)
1214 (value (mail-fetch-field header nil (not not-all))))
1216 (while (string-match "\n[\t ]+" value)
1217 (setq value (replace-match " " t t value)))
1218 (set-text-properties 0 (length value) nil value)
1221 (defun message-narrow-to-field ()
1222 "Narrow the buffer to the header on the current line."
1228 (if (re-search-forward "^[^ \n\t]" nil t)
1233 (goto-char (point-min)))
1235 (defun message-add-header (&rest headers)
1236 "Add the HEADERS to the message header, skipping those already present."
1239 (unless (string-match "^\\([^:]+\\):[ \t]*[^ \t]" (car headers))
1240 (error "Invalid header `%s'" (car headers)))
1241 (setq hclean (match-string 1 (car headers)))
1243 (message-narrow-to-headers)
1244 (unless (re-search-forward (concat "^" (regexp-quote hclean) ":") nil t)
1245 (goto-char (point-max))
1246 (if (string-match "\n$" (car headers))
1247 (insert (car headers))
1248 (insert (car headers) ?\n)))))
1249 (setq headers (cdr headers))))
1252 (defun message-fetch-reply-field (header)
1253 "Fetch field HEADER from the message we're replying to."
1254 (when (and message-reply-buffer
1255 (buffer-name message-reply-buffer))
1257 (set-buffer message-reply-buffer)
1258 (message-fetch-field header))))
1260 (defun message-set-work-buffer ()
1261 (if (get-buffer " *message work*")
1263 (set-buffer " *message work*")
1265 (set-buffer (get-buffer-create " *message work*"))
1266 (kill-all-local-variables)
1267 (mm-enable-multibyte)))
1269 (defun message-functionp (form)
1270 "Return non-nil if FORM is funcallable."
1271 (or (and (symbolp form) (fboundp form))
1272 (and (listp form) (eq (car form) 'lambda))
1273 (byte-code-function-p form)))
1275 (defun message-strip-list-identifiers (subject)
1276 "Remove list identifiers in `gnus-list-identifiers' from string SUBJECT."
1277 (require 'gnus-sum) ; for gnus-list-identifiers
1278 (let ((regexp (if (stringp gnus-list-identifiers)
1279 gnus-list-identifiers
1280 (mapconcat 'identity gnus-list-identifiers " *\\|"))))
1281 (if (string-match (concat "\\(\\(\\(Re: +\\)?\\(" regexp
1282 " *\\)\\)+\\(Re: +\\)?\\)") subject)
1283 (concat (substring subject 0 (match-beginning 1))
1284 (or (match-string 3 subject)
1285 (match-string 5 subject))
1290 (defun message-strip-subject-re (subject)
1291 "Remove \"Re:\" from subject lines in string SUBJECT."
1292 (if (string-match message-subject-re-regexp subject)
1293 (substring subject (match-end 0))
1296 (defun message-remove-header (header &optional is-regexp first reverse)
1297 "Remove HEADER in the narrowed buffer.
1298 If IS-REGEXP, HEADER is a regular expression.
1299 If FIRST, only remove the first instance of the header.
1300 Return the number of headers removed."
1301 (goto-char (point-min))
1302 (let ((regexp (if is-regexp header (concat "^" (regexp-quote header) ":")))
1304 (case-fold-search t)
1306 (while (and (not (eobp))
1309 (not (looking-at regexp))
1310 (looking-at regexp))
1317 ;; There might be a continuation header, so we have to search
1318 ;; until we find a new non-continuation line.
1321 (if (re-search-forward "^[^ \t]" nil t)
1322 (goto-char (match-beginning 0))
1325 (if (re-search-forward "^[^ \t]" nil t)
1326 (goto-char (match-beginning 0))
1327 (goto-char (point-max)))))
1330 (defun message-remove-first-header (header)
1331 "Remove the first instance of HEADER if there is more than one."
1333 (regexp (concat "^" (regexp-quote header) ":")))
1335 (goto-char (point-min))
1336 (while (re-search-forward regexp nil t)
1339 (message-remove-header header nil t)
1342 (defun message-narrow-to-headers ()
1343 "Narrow the buffer to the head of the message."
1346 (goto-char (point-min))
1347 (if (re-search-forward
1348 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1351 (goto-char (point-min)))
1353 (defun message-narrow-to-head-1 ()
1354 "Like `message-narrow-to-head'. Don't widen."
1356 (goto-char (point-min))
1357 (if (search-forward "\n\n" nil 1)
1360 (goto-char (point-min)))
1362 (defun message-narrow-to-head ()
1363 "Narrow the buffer to the head of the message.
1364 Point is left at the beginning of the narrowed-to region."
1366 (message-narrow-to-head-1))
1368 (defun message-narrow-to-headers-or-head ()
1369 "Narrow the buffer to the head of the message."
1372 (goto-char (point-min))
1375 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1376 (match-beginning 0))
1377 ((search-forward "\n\n" nil t)
1381 (goto-char (point-min)))
1383 (defun message-news-p ()
1384 "Say whether the current buffer contains a news message."
1385 (and (not message-this-is-mail)
1386 (or message-this-is-news
1389 (message-narrow-to-headers)
1390 (and (message-fetch-field "newsgroups")
1391 (not (message-fetch-field "posted-to"))))))))
1393 (defun message-mail-p ()
1394 "Say whether the current buffer contains a mail message."
1395 (and (not message-this-is-news)
1396 (or message-this-is-mail
1399 (message-narrow-to-headers)
1400 (or (message-fetch-field "to")
1401 (message-fetch-field "cc")
1402 (message-fetch-field "bcc")))))))
1404 (defun message-next-header ()
1405 "Go to the beginning of the next header."
1407 (or (eobp) (forward-char 1))
1408 (not (if (re-search-forward "^[^ \t]" nil t)
1410 (goto-char (point-max)))))
1412 (defun message-sort-headers-1 ()
1413 "Sort the buffer as headers using `message-rank' text props."
1414 (goto-char (point-min))
1417 nil 'message-next-header
1419 (message-next-header)
1423 (or (get-text-property (point) 'message-rank)
1426 (defun message-sort-headers ()
1427 "Sort the headers of the current message according to `message-header-format-alist'."
1431 (let ((max (1+ (length message-header-format-alist)))
1433 (message-narrow-to-headers)
1434 (while (re-search-forward "^[^ \n]+:" nil t)
1436 (match-beginning 0) (1+ (match-beginning 0))
1438 (if (setq rank (length (memq (assq (intern (buffer-substring
1440 (1- (match-end 0))))
1441 message-header-format-alist)
1442 message-header-format-alist)))
1445 (message-sort-headers-1))))
1455 (defvar message-mode-map nil)
1457 (unless message-mode-map
1458 (setq message-mode-map (make-keymap))
1459 (set-keymap-parent message-mode-map text-mode-map)
1460 (define-key message-mode-map "\C-c?" 'describe-mode)
1462 (define-key message-mode-map "\C-c\C-f\C-t" 'message-goto-to)
1463 (define-key message-mode-map "\C-c\C-f\C-b" 'message-goto-bcc)
1464 (define-key message-mode-map "\C-c\C-f\C-w" 'message-goto-fcc)
1465 (define-key message-mode-map "\C-c\C-f\C-c" 'message-goto-cc)
1466 (define-key message-mode-map "\C-c\C-f\C-s" 'message-goto-subject)
1467 (define-key message-mode-map "\C-c\C-f\C-r" 'message-goto-reply-to)
1468 (define-key message-mode-map "\C-c\C-f\C-n" 'message-goto-newsgroups)
1469 (define-key message-mode-map "\C-c\C-f\C-d" 'message-goto-distribution)
1470 (define-key message-mode-map "\C-c\C-f\C-f" 'message-goto-followup-to)
1471 (define-key message-mode-map "\C-c\C-f\C-k" 'message-goto-keywords)
1472 (define-key message-mode-map "\C-c\C-f\C-u" 'message-goto-summary)
1473 (define-key message-mode-map "\C-c\C-b" 'message-goto-body)
1474 (define-key message-mode-map "\C-c\C-i" 'message-goto-signature)
1476 (define-key message-mode-map "\C-c\C-t" 'message-insert-to)
1477 (define-key message-mode-map "\C-c\C-n" 'message-insert-newsgroups)
1479 (define-key message-mode-map "\C-c\C-y" 'message-yank-original)
1480 (define-key message-mode-map "\C-c\M-\C-y" 'message-yank-buffer)
1481 (define-key message-mode-map "\C-c\C-q" 'message-fill-yanked-message)
1482 (define-key message-mode-map "\C-c\C-w" 'message-insert-signature)
1483 (define-key message-mode-map "\C-c\M-h" 'message-insert-headers)
1484 (define-key message-mode-map "\C-c\C-r" 'message-caesar-buffer-body)
1485 (define-key message-mode-map "\C-c\C-o" 'message-sort-headers)
1486 (define-key message-mode-map "\C-c\M-r" 'message-rename-buffer)
1488 (define-key message-mode-map "\C-c\C-c" 'message-send-and-exit)
1489 (define-key message-mode-map "\C-c\C-s" 'message-send)
1490 (define-key message-mode-map "\C-c\C-k" 'message-kill-buffer)
1491 (define-key message-mode-map "\C-c\C-d" 'message-dont-send)
1492 (define-key message-mode-map "\C-c\n" 'gnus-delay-article)
1494 (define-key message-mode-map "\C-c\C-e" 'message-elide-region)
1495 (define-key message-mode-map "\C-c\C-v" 'message-delete-not-region)
1496 (define-key message-mode-map "\C-c\C-z" 'message-kill-to-signature)
1497 (define-key message-mode-map "\M-\r" 'message-newline-and-reformat)
1498 ;;(define-key message-mode-map "\M-q" 'message-fill-paragraph)
1500 (define-key message-mode-map "\C-c\C-a" 'mml-attach-file)
1502 (define-key message-mode-map "\t" 'message-tab)
1503 (define-key message-mode-map "\M-;" 'comment-region))
1506 message-mode-menu message-mode-map "Message Menu."
1508 ["Sort Headers" message-sort-headers t]
1509 ["Yank Original" message-yank-original t]
1510 ["Fill Yanked Message" message-fill-yanked-message t]
1511 ["Insert Signature" message-insert-signature t]
1512 ["Caesar (rot13) Message" message-caesar-buffer-body t]
1513 ["Caesar (rot13) Region" message-caesar-region (mark t)]
1514 ["Elide Region" message-elide-region (mark t)]
1515 ["Delete Outside Region" message-delete-not-region (mark t)]
1516 ["Kill To Signature" message-kill-to-signature t]
1517 ["Newline and Reformat" message-newline-and-reformat t]
1518 ["Rename buffer" message-rename-buffer t]
1519 ["Spellcheck" ispell-message
1520 ,@(if (featurep 'xemacs) '(t)
1521 '(:help "Spellcheck this message"))]
1523 ["Send Message" message-send-and-exit
1524 ,@(if (featurep 'xemacs) '(t)
1525 '(:help "Send this message"))]
1526 ["Postpone Message" message-dont-send
1527 ,@(if (featurep 'xemacs) '(t)
1528 '(:help "File this draft message and exit"))]
1529 ["Send at Specific Time" gnus-delay-article
1530 ,@(if (featurep 'xemacs) '(t)
1531 '(:help "Ask, then arrange to send message at that time"))]
1532 ["Kill Message" message-kill-buffer
1533 ,@(if (featurep 'xemacs) '(t)
1534 '(:help "Delete this message without sending"))]))
1537 message-mode-field-menu message-mode-map ""
1539 ["Fetch To" message-insert-to t]
1540 ["Fetch Newsgroups" message-insert-newsgroups t]
1542 ["To" message-goto-to t]
1543 ["Subject" message-goto-subject t]
1544 ["Cc" message-goto-cc t]
1545 ["Reply-To" message-goto-reply-to t]
1546 ["Summary" message-goto-summary t]
1547 ["Keywords" message-goto-keywords t]
1548 ["Newsgroups" message-goto-newsgroups t]
1549 ["Followup-To" message-goto-followup-to t]
1550 ["Distribution" message-goto-distribution t]
1551 ["Body" message-goto-body t]
1552 ["Signature" message-goto-signature t]))
1554 (defvar message-tool-bar-map nil)
1557 (defvar facemenu-add-face-function)
1558 (defvar facemenu-remove-face-function))
1561 (define-derived-mode message-mode text-mode "Message"
1562 "Major mode for editing mail and news to be sent.
1563 Like Text Mode but with these additional commands:\\<message-mode-map>
1564 C-c C-s `message-send' (send the message) C-c C-c `message-send-and-exit'
1565 C-c C-d Postpone sending the message C-c C-k Kill the message
1566 C-c C-f move to a header field (and create it if there isn't):
1567 C-c C-f C-t move to To C-c C-f C-s move to Subject
1568 C-c C-f C-c move to Cc C-c C-f C-b move to Bcc
1569 C-c C-f C-w move to Fcc C-c C-f C-r move to Reply-To
1570 C-c C-f C-u move to Summary C-c C-f C-n move to Newsgroups
1571 C-c C-f C-k move to Keywords C-c C-f C-d move to Distribution
1572 C-c C-f C-f move to Followup-To
1573 C-c C-t `message-insert-to' (add a To header to a news followup)
1574 C-c C-n `message-insert-newsgroups' (add a Newsgroup header to a news reply)
1575 C-c C-b `message-goto-body' (move to beginning of message text).
1576 C-c C-i `message-goto-signature' (move to the beginning of the signature).
1577 C-c C-w `message-insert-signature' (insert `message-signature-file' file).
1578 C-c C-y `message-yank-original' (insert current message, if any).
1579 C-c C-q `message-fill-yanked-message' (fill what was yanked).
1580 C-c C-e `message-elide-region' (elide the text between point and mark).
1581 C-c C-v `message-delete-not-region' (remove the text outside the region).
1582 C-c C-z `message-kill-to-signature' (kill the text up to the signature).
1583 C-c C-r `message-caesar-buffer-body' (rot13 the message body).
1584 C-c C-a `mml-attach-file' (attach a file as MIME).
1585 M-RET `message-newline-and-reformat' (break the line and reformat)."
1586 (set (make-local-variable 'message-reply-buffer) nil)
1587 (make-local-variable 'message-send-actions)
1588 (make-local-variable 'message-exit-actions)
1589 (make-local-variable 'message-kill-actions)
1590 (make-local-variable 'message-postpone-actions)
1591 (make-local-variable 'message-draft-article)
1592 (setq buffer-offer-save t)
1593 (set (make-local-variable 'facemenu-add-face-function)
1595 (let ((face-fun (cdr (assq face message-face-alist))))
1597 (funcall face-fun (point) end)
1598 (error "Face %s not configured for %s mode" face mode-name)))
1600 (set (make-local-variable 'facemenu-remove-face-function) t)
1601 (set (make-local-variable 'message-reply-headers) nil)
1602 (make-local-variable 'message-newsreader)
1603 (make-local-variable 'message-mailer)
1604 (make-local-variable 'message-post-method)
1605 (set (make-local-variable 'message-sent-message-via) nil)
1606 (set (make-local-variable 'message-checksum) nil)
1607 (set (make-local-variable 'message-mime-part) 0)
1608 (message-setup-fill-variables)
1609 ;; Allow using comment commands to add/remove quoting.
1610 (set (make-local-variable 'comment-start) message-yank-prefix)
1611 (if (featurep 'xemacs)
1612 (message-setup-toolbar)
1613 (set (make-local-variable 'font-lock-defaults)
1614 '(message-font-lock-keywords t))
1615 (if (boundp 'tool-bar-map)
1616 (set (make-local-variable 'tool-bar-map) (message-tool-bar-map))))
1617 (easy-menu-add message-mode-menu message-mode-map)
1618 (easy-menu-add message-mode-field-menu message-mode-map)
1619 ;; Allow mail alias things.
1620 (when (eq message-mail-alias-type 'abbrev)
1621 (if (fboundp 'mail-abbrevs-setup)
1622 (mail-abbrevs-setup)
1623 (mail-aliases-setup)))
1624 (message-set-auto-save-file-name)
1625 (mm-enable-multibyte)
1626 (set (make-local-variable 'indent-tabs-mode) nil) ;No tabs for indentation.
1629 (defun message-setup-fill-variables ()
1630 "Setup message fill variables."
1631 (set (make-local-variable 'fill-paragraph-function)
1632 'message-fill-paragraph)
1633 (make-local-variable 'paragraph-separate)
1634 (make-local-variable 'paragraph-start)
1635 (make-local-variable 'adaptive-fill-regexp)
1636 (unless (boundp 'adaptive-fill-first-line-regexp)
1637 (setq adaptive-fill-first-line-regexp nil))
1638 (make-local-variable 'adaptive-fill-first-line-regexp)
1639 (let ((quote-prefix-regexp
1640 ;; User should change message-cite-prefix-regexp if
1641 ;; message-yank-prefix is set to an abnormal value.
1642 (concat "\\(" message-cite-prefix-regexp "\\)[ \t]*")))
1643 (setq paragraph-start
1645 (regexp-quote mail-header-separator) "$\\|"
1646 "[ \t]*$\\|" ; blank lines
1647 "-- $\\|" ; signature delimiter
1648 "---+$\\|" ; delimiters for forwarded messages
1649 page-delimiter "$\\|" ; spoiler warnings
1650 ".*wrote:$\\|" ; attribution lines
1651 quote-prefix-regexp "$")) ; empty lines in quoted text
1652 (setq paragraph-separate paragraph-start)
1653 (setq adaptive-fill-regexp
1654 (concat quote-prefix-regexp "\\|" adaptive-fill-regexp))
1655 (setq adaptive-fill-first-line-regexp
1656 (concat quote-prefix-regexp "\\|"
1657 adaptive-fill-first-line-regexp)))
1658 (make-local-variable 'auto-fill-inhibit-regexp)
1659 ;;(setq auto-fill-inhibit-regexp "^[A-Z][^: \n\t]+:")
1660 (setq auto-fill-inhibit-regexp nil)
1661 (make-local-variable 'normal-auto-fill-function)
1662 (setq normal-auto-fill-function 'message-do-auto-fill)
1663 ;; KLUDGE: auto fill might already be turned on in `text-mode-hook'.
1664 ;; In that case, ensure that it uses the right function. The real
1665 ;; solution would be not to use `define-derived-mode', and run
1666 ;; `text-mode-hook' ourself at the end of the mode.
1667 ;; -- Per Abrahamsen <abraham@dina.kvl.dk> Date: 2001-10-19.
1668 (when auto-fill-function
1669 (setq auto-fill-function normal-auto-fill-function)))
1674 ;;; Message mode commands
1677 ;;; Movement commands
1679 (defun message-goto-to ()
1680 "Move point to the To header."
1682 (message-position-on-field "To"))
1684 (defun message-goto-subject ()
1685 "Move point to the Subject header."
1687 (message-position-on-field "Subject"))
1689 (defun message-goto-cc ()
1690 "Move point to the Cc header."
1692 (message-position-on-field "Cc" "To"))
1694 (defun message-goto-bcc ()
1695 "Move point to the Bcc header."
1697 (message-position-on-field "Bcc" "Cc" "To"))
1699 (defun message-goto-fcc ()
1700 "Move point to the Fcc header."
1702 (message-position-on-field "Fcc" "To" "Newsgroups"))
1704 (defun message-goto-reply-to ()
1705 "Move point to the Reply-To header."
1707 (message-position-on-field "Reply-To" "Subject"))
1709 (defun message-goto-newsgroups ()
1710 "Move point to the Newsgroups header."
1712 (message-position-on-field "Newsgroups"))
1714 (defun message-goto-distribution ()
1715 "Move point to the Distribution header."
1717 (message-position-on-field "Distribution"))
1719 (defun message-goto-followup-to ()
1720 "Move point to the Followup-To header."
1722 (message-position-on-field "Followup-To" "Newsgroups"))
1724 (defun message-goto-keywords ()
1725 "Move point to the Keywords header."
1727 (message-position-on-field "Keywords" "Subject"))
1729 (defun message-goto-summary ()
1730 "Move point to the Summary header."
1732 (message-position-on-field "Summary" "Subject"))
1734 (defun message-goto-body (&optional interactivep)
1735 "Move point to the beginning of the message body."
1736 (interactive (list t))
1737 (when (and interactivep
1738 (looking-at "[ \t]*\n"))
1740 (goto-char (point-min))
1741 (or (search-forward (concat "\n" mail-header-separator "\n") nil t)
1742 (search-forward-regexp "[^:]+:\\([^\n]\\|\n[ \t]\\)+\n\n" nil t)))
1744 (defun message-goto-eoh ()
1745 "Move point to the end of the headers."
1750 (defun message-goto-signature ()
1751 "Move point to the beginning of the message signature.
1752 If there is no signature in the article, go to the end and
1755 (goto-char (point-min))
1756 (if (re-search-forward message-signature-separator nil t)
1758 (goto-char (point-max))
1763 (defun message-insert-to (&optional force)
1764 "Insert a To header that points to the author of the article being replied to.
1765 If the original author requested not to be sent mail, the function signals
1767 With the prefix argument FORCE, insert the header anyway."
1769 (let ((co (message-fetch-reply-field "mail-copies-to")))
1770 (when (and (null force)
1772 (or (equal (downcase co) "never")
1773 (equal (downcase co) "nobody")))
1774 (error "The user has requested not to have copies sent via mail")))
1775 (when (and (message-position-on-field "To")
1776 (mail-fetch-field "to")
1777 (not (string-match "\\` *\\'" (mail-fetch-field "to"))))
1779 (insert (or (message-fetch-reply-field "mail-reply-to")
1780 (message-fetch-reply-field "reply-to")
1781 (message-fetch-reply-field "from") "")))
1783 (defun message-widen-reply ()
1784 "Widen the reply to include maximum recipients."
1787 (and message-reply-buffer
1788 (buffer-name message-reply-buffer)
1790 (set-buffer message-reply-buffer)
1791 (message-get-reply-headers t)))))
1794 (message-narrow-to-headers)
1795 (dolist (elem follow-to)
1796 (message-remove-header (symbol-name (car elem)))
1797 (goto-char (point-min))
1798 (insert (symbol-name (car elem)) ": "
1799 (cdr elem) "\n"))))))
1801 (defun message-insert-newsgroups ()
1802 "Insert the Newsgroups header from the article being replied to."
1804 (when (and (message-position-on-field "Newsgroups")
1805 (mail-fetch-field "newsgroups")
1806 (not (string-match "\\` *\\'" (mail-fetch-field "newsgroups"))))
1808 (insert (or (message-fetch-reply-field "newsgroups") "")))
1812 ;;; Various commands
1814 (defun message-delete-not-region (beg end)
1815 "Delete everything in the body of the current message outside of the region."
1820 ;; snarf citation prefix, if appropriate
1821 (unless (eq (point) (progn (beginning-of-line) (point)))
1822 (when (looking-at message-cite-prefix-regexp)
1823 (setq citeprefix (match-string 0))))
1825 (delete-region (point) (if (not (message-goto-signature))
1831 (delete-region beg (progn (message-goto-body)
1835 (insert citeprefix))))
1836 (when (message-goto-signature)
1839 (defun message-kill-to-signature ()
1840 "Deletes all text up to the signature."
1842 (let ((point (point)))
1843 (message-goto-signature)
1846 (kill-region point (point))
1850 (defun message-newline-and-reformat (&optional arg not-break)
1851 "Insert four newlines, and then reformat if inside quoted text.
1852 Prefix arg means justify as well."
1853 (interactive (list (if current-prefix-arg 'full)))
1854 (let (quoted point beg end leading-space bolp)
1855 (setq point (point))
1858 (setq bolp (= beg point))
1859 ;; Find first line of the paragraph.
1861 (while (and (not (eobp))
1862 (not (looking-at message-cite-prefix-regexp))
1863 (looking-at paragraph-start))
1866 (when (looking-at message-cite-prefix-regexp)
1867 (setq quoted (match-string 0))
1868 (goto-char (match-end 0))
1869 (looking-at "[ \t]*")
1870 (setq leading-space (match-string 0)))
1874 (< (- point beg) (length quoted)))
1875 ;; break inside the cite prefix.
1881 (while (and (not (eobp))
1882 (not (looking-at paragraph-separate))
1883 (looking-at message-cite-prefix-regexp)
1884 (equal quoted (match-string 0)))
1885 (goto-char (match-end 0))
1886 (looking-at "[ \t]*")
1887 (if (> (length leading-space) (length (match-string 0)))
1888 (setq leading-space (match-string 0)))
1892 (while (and (if (bobp) nil (forward-line -1) t)
1893 (not (looking-at paragraph-start))
1894 (looking-at message-cite-prefix-regexp)
1895 (equal quoted (match-string 0)))
1897 (goto-char (match-end 0))
1898 (looking-at "[ \t]*")
1899 (if (> (length leading-space) (length (match-string 0)))
1900 (setq leading-space (match-string 0)))))
1901 (while (and (not (eobp))
1902 (not (looking-at paragraph-separate))
1903 (not (looking-at message-cite-prefix-regexp)))
1907 (while (and (if (bobp) nil (forward-line -1) t)
1908 (not (looking-at paragraph-start))
1909 (not (looking-at message-cite-prefix-regexp)))
1910 (setq beg (point))))
1913 (narrow-to-region beg end)
1919 (setq point (point))
1921 (delete-region (point) (re-search-forward "[ \t]*"))
1922 (when (and quoted (not bolp))
1923 (insert quoted leading-space)))
1925 (let* ((adaptive-fill-regexp
1926 (regexp-quote (concat quoted leading-space)))
1927 (adaptive-fill-first-line-regexp
1928 adaptive-fill-regexp ))
1929 (fill-paragraph arg))
1930 (fill-paragraph arg))
1931 (if point (goto-char point)))))
1933 (defun message-fill-paragraph (&optional arg)
1934 "Like `fill-paragraph'."
1935 (interactive (list (if current-prefix-arg 'full)))
1936 (if (and (boundp 'filladapt-mode) filladapt-mode)
1938 (message-newline-and-reformat arg t)
1941 (defun message-do-auto-fill ()
1942 "Like `do-auto-fill', but don't fill in message header."
1943 (when (> (point) (save-excursion
1944 (goto-char (point-min))
1945 (if (re-search-forward
1946 (concat "^" (regexp-quote mail-header-separator)
1952 (defun message-insert-signature (&optional force)
1953 "Insert a signature. See documentation for variable `message-signature'."
1954 (interactive (list 0))
1957 ((and (null message-signature)
1960 (goto-char (point-max))
1961 (not (re-search-backward message-signature-separator nil t))))
1962 ((and (null message-signature)
1965 ((message-functionp message-signature)
1966 (funcall message-signature))
1967 ((listp message-signature)
1968 (eval message-signature))
1969 (t message-signature)))
1971 (cond ((stringp signature)
1973 ((and (eq t signature)
1974 message-signature-file
1975 (file-exists-p message-signature-file))
1978 (goto-char (point-max))
1979 ;; Insert the signature.
1983 (if (eq signature t)
1984 (insert-file-contents message-signature-file)
1986 (goto-char (point-max))
1987 (or (bolp) (insert "\n")))))
1989 (defun message-elide-region (b e)
1990 "Elide the text in the region.
1991 An ellipsis (from `message-elide-ellipsis') will be inserted where the
1995 (insert message-elide-ellipsis))
1997 (defvar message-caesar-translation-table nil)
1999 (defun message-caesar-region (b e &optional n)
2000 "Caesar rotate region B to E by N, default 13, for decrypting netnews."
2003 (min (point) (or (mark t) (point)))
2004 (max (point) (or (mark t) (point)))
2005 (when current-prefix-arg
2006 (prefix-numeric-value current-prefix-arg))))
2008 (setq n (if (numberp n) (mod n 26) 13)) ;canonize N
2009 (unless (or (zerop n) ; no action needed for a rot of 0
2010 (= b e)) ; no region to rotate
2011 ;; We build the table, if necessary.
2012 (when (or (not message-caesar-translation-table)
2013 (/= (aref message-caesar-translation-table ?a) (+ ?a n)))
2014 (setq message-caesar-translation-table
2015 (message-make-caesar-translation-table n)))
2016 (translate-region b e message-caesar-translation-table)))
2018 (defun message-make-caesar-translation-table (n)
2019 "Create a rot table with offset N."
2021 (table (make-string 256 0)))
2022 (while (< (incf i) 256)
2025 (substring table 0 ?A)
2026 (substring table (+ ?A n) (+ ?A n (- 26 n)))
2027 (substring table ?A (+ ?A n))
2028 (substring table (+ ?A 26) ?a)
2029 (substring table (+ ?a n) (+ ?a n (- 26 n)))
2030 (substring table ?a (+ ?a n))
2031 (substring table (+ ?a 26) 255))))
2033 (defun message-caesar-buffer-body (&optional rotnum)
2034 "Caesar rotate all letters in the current buffer by 13 places.
2035 Used to encode/decode possibly offensive messages (commonly in rec.humor).
2036 With prefix arg, specifies the number of places to rotate each letter forward.
2037 Mail and USENET news headers are not rotated."
2038 (interactive (if current-prefix-arg
2039 (list (prefix-numeric-value current-prefix-arg))
2043 (when (message-goto-body)
2044 (narrow-to-region (point) (point-max)))
2045 (message-caesar-region (point-min) (point-max) rotnum))))
2047 (defun message-pipe-buffer-body (program)
2048 "Pipe the message body in the current buffer through PROGRAM."
2051 (when (message-goto-body)
2052 (narrow-to-region (point) (point-max)))
2053 (shell-command-on-region
2054 (point-min) (point-max) program nil t))))
2056 (defun message-rename-buffer (&optional enter-string)
2057 "Rename the *message* buffer to \"*message* RECIPIENT\".
2058 If the function is run with a prefix, it will ask for a new buffer
2059 name, rather than giving an automatic name."
2060 (interactive "Pbuffer name: ")
2063 (goto-char (point-min))
2064 (narrow-to-region (point)
2065 (search-forward mail-header-separator nil 'end))
2067 (if (message-news-p) (message-fetch-field "Newsgroups")
2068 (message-fetch-field "To"))
2071 (if (string-match "," mail-to)
2072 (concat (substring mail-to 0 (match-beginning 0)) ", ...")
2074 (name-default (concat "*message* " mail-trimmed-to))
2075 (name (if enter-string
2076 (read-string "New buffer name: " name-default)
2078 (rename-buffer name t)))))
2080 (defun message-fill-yanked-message (&optional justifyp)
2081 "Fill the paragraphs of a message yanked into this one.
2082 Numeric argument means justify as well."
2085 (goto-char (point-min))
2086 (search-forward (concat "\n" mail-header-separator "\n") nil t)
2087 (let ((fill-prefix message-yank-prefix))
2088 (fill-individual-paragraphs (point) (point-max) justifyp))))
2090 (defun message-indent-citation ()
2091 "Modify text just inserted from a message to be cited.
2092 The inserted text should be the region.
2093 When this function returns, the region is again around the modified text.
2095 Normally, indent each nonblank line `message-indentation-spaces' spaces.
2096 However, if `message-yank-prefix' is non-nil, insert that prefix on each line."
2097 (let ((start (point)))
2098 ;; Remove unwanted headers.
2099 (when message-ignored-cited-headers
2104 (if (search-forward "\n\n" nil t)
2107 (message-remove-header message-ignored-cited-headers t)
2108 (when (= (point-min) (point-max))
2109 (setq all-removed t))
2110 (goto-char (point-max)))
2114 ;; Delete blank lines at the start of the buffer.
2115 (while (and (point-min)
2118 (message-delete-line))
2119 ;; Delete blank lines at the end of the buffer.
2120 (goto-char (point-max))
2123 (while (and (zerop (forward-line -1))
2125 (message-delete-line))
2126 ;; Do the indentation.
2127 (if (null message-yank-prefix)
2128 (indent-rigidly start (mark t) message-indentation-spaces)
2131 (while (< (point) (mark t))
2132 (if (or (looking-at ">") (looking-at "^$"))
2133 (insert message-yank-cited-prefix)
2134 (insert message-yank-prefix))
2138 (defun message-yank-original (&optional arg)
2139 "Insert the message being replied to, if any.
2140 Puts point before the text and mark after.
2141 Normally indents each nonblank line ARG spaces (default 3). However,
2142 if `message-yank-prefix' is non-nil, insert that prefix on each line.
2144 This function uses `message-cite-function' to do the actual citing.
2146 Just \\[universal-argument] as argument means don't indent, insert no
2147 prefix, and don't delete any headers."
2149 (let ((modified (buffer-modified-p)))
2150 (when (and message-reply-buffer
2151 message-cite-function)
2152 (delete-windows-on message-reply-buffer t)
2153 (insert-buffer message-reply-buffer)
2155 (funcall message-cite-function))
2156 (message-exchange-point-and-mark)
2160 (setq message-checksum (message-checksum))))))
2162 (defun message-yank-buffer (buffer)
2163 "Insert BUFFER into the current buffer and quote it."
2164 (interactive "bYank buffer: ")
2165 (let ((message-reply-buffer buffer))
2166 (save-window-excursion
2167 (message-yank-original))))
2169 (defun message-buffers ()
2170 "Return a list of active message buffers."
2173 (dolist (buffer (buffer-list t))
2175 (when (and (eq major-mode 'message-mode)
2176 (null message-sent-message-via))
2177 (push (buffer-name buffer) buffers))))
2178 (nreverse buffers)))
2180 (defun message-cite-original-without-signature ()
2181 "Cite function in the standard Message manner."
2182 (let ((start (point))
2185 (when message-indent-citation-function
2186 (if (listp message-indent-citation-function)
2187 message-indent-citation-function
2188 (list message-indent-citation-function)))))
2189 (mml-quote-region start end)
2193 (when (re-search-backward message-signature-separator start t)
2194 ;; Also peel off any blank lines before the signature.
2196 (while (looking-at "^[ \t]*$")
2199 (delete-region (point) end)
2200 (unless (search-backward "\n\n" start t)
2201 ;; Insert a blank line if it is peeled off.
2205 (funcall (pop functions)))
2206 (when message-citation-line-function
2209 (funcall message-citation-line-function))))
2211 (eval-when-compile (defvar mail-citation-hook)) ;Compiler directive
2212 (defun message-cite-original ()
2213 "Cite function in the standard Message manner."
2214 (if (and (boundp 'mail-citation-hook)
2216 (run-hooks 'mail-citation-hook)
2217 (let ((start (point))
2220 (when message-indent-citation-function
2221 (if (listp message-indent-citation-function)
2222 message-indent-citation-function
2223 (list message-indent-citation-function)))))
2224 (mml-quote-region start end)
2227 (funcall (pop functions)))
2228 (when message-citation-line-function
2231 (funcall message-citation-line-function)))))
2233 (defun message-insert-citation-line ()
2234 "Insert a simple citation line."
2235 (when message-reply-headers
2236 (insert (mail-header-from message-reply-headers) " writes:\n\n")))
2238 (defun message-position-on-field (header &rest afters)
2239 (let ((case-fold-search t))
2242 (goto-char (point-min))
2245 (concat "^" (regexp-quote mail-header-separator) "$"))
2246 (match-beginning 0)))
2247 (goto-char (point-min))
2248 (if (re-search-forward (concat "^" (regexp-quote header) ":") nil t)
2250 (re-search-forward "^[^ \t]" nil 'move)
2252 (skip-chars-backward "\n")
2255 (not (re-search-forward
2256 (concat "^" (regexp-quote (car afters)) ":")
2260 (re-search-forward "^[^ \t]" nil 'move)
2261 (beginning-of-line))
2262 (insert header ": \n")
2266 (defun message-remove-signature ()
2267 "Remove the signature from the text between point and mark.
2268 The text will also be indented the normal way."
2270 (let ((start (point))
2272 (if (not (re-search-forward message-signature-separator (mark t) t))
2273 ;; No signature here, so we just indent the cited text.
2274 (message-indent-citation)
2275 ;; Find the last non-empty line.
2277 (while (looking-at "[ \t]*$")
2280 (setq mark (set-marker (make-marker) (point)))
2282 (message-indent-citation)
2283 ;; Enable undoing the deletion.
2285 (delete-region mark (mark t))
2286 (set-marker mark nil)))))
2291 ;;; Sending messages
2294 (defun message-send-and-exit (&optional arg)
2295 "Send message like `message-send', then, if no errors, exit from mail buffer."
2297 (let ((buf (current-buffer))
2298 (actions message-exit-actions))
2299 (when (and (message-send arg)
2301 (if message-kill-buffer-on-exit
2304 (when (eq buf (current-buffer))
2305 (message-bury buf)))
2306 (message-do-actions actions)
2309 (defun message-dont-send ()
2310 "Don't send the message you have been editing."
2312 (set-buffer-modified-p t)
2314 (let ((actions message-postpone-actions))
2315 (message-bury (current-buffer))
2316 (message-do-actions actions)))
2318 (defun message-kill-buffer ()
2319 "Kill the current buffer."
2321 (when (or (not (buffer-modified-p))
2322 (yes-or-no-p "Message modified; kill anyway? "))
2323 (let ((actions message-kill-actions))
2324 (setq buffer-file-name nil)
2325 (kill-buffer (current-buffer))
2326 (message-do-actions actions))))
2328 (defun message-bury (buffer)
2329 "Bury this mail BUFFER."
2330 (let ((newbuf (other-buffer buffer)))
2331 (bury-buffer buffer)
2332 (if (and (fboundp 'frame-parameters)
2333 (cdr (assq 'dedicated (frame-parameters)))
2334 (not (null (delq (selected-frame) (visible-frame-list)))))
2335 (delete-frame (selected-frame))
2336 (switch-to-buffer newbuf))))
2338 (defun message-send (&optional arg)
2339 "Send the message in the current buffer.
2340 If `message-interactive' is non-nil, wait for success indication or
2341 error messages, and inform user.
2342 Otherwise any failure is reported in a message back to the user from
2344 The usage of ARG is defined by the instance that called Message.
2345 It should typically alter the sending method in some way or other."
2347 ;; Make it possible to undo the coming changes.
2349 (let ((inhibit-read-only t))
2350 (put-text-property (point-min) (point-max) 'read-only nil))
2351 (message-fix-before-sending)
2352 (run-hooks 'message-send-hook)
2353 (message message-sending-message)
2354 (let ((alist message-send-method-alist)
2357 (message-options message-options))
2358 (message-options-set-recipient)
2360 (setq elem (pop alist)))
2361 (when (funcall (cadr elem))
2362 (when (and (or (not (memq (car elem)
2363 message-sent-message-via))
2364 (if (or (message-gnksa-enable-p 'multiple-copies)
2365 (not (eq (car elem) 'news)))
2368 "Already sent message via %s; resend? "
2370 (error "Denied posting -- multiple copies")))
2371 (setq success (funcall (caddr elem) arg)))
2373 (unless (or sent (not success))
2374 (error "No methods specified to send by"))
2375 (when (and success sent)
2378 (run-hooks 'message-sent-hook))
2379 (message "Sending...done")
2380 ;; Mark the buffer as unmodified and delete auto-save.
2381 (set-buffer-modified-p nil)
2382 (delete-auto-save-file-if-necessary t)
2383 (message-disassociate-draft)
2384 ;; Delete other mail buffers and stuff.
2385 (message-do-send-housekeeping)
2386 (message-do-actions message-send-actions)
2390 (defun message-send-via-mail (arg)
2391 "Send the current message via mail."
2392 (message-send-mail arg))
2394 (defun message-send-via-news (arg)
2395 "Send the current message via news."
2396 (funcall message-send-news-function arg))
2398 (defmacro message-check (type &rest forms)
2399 "Eval FORMS if TYPE is to be checked."
2400 `(or (message-check-element ,type)
2404 (put 'message-check 'lisp-indent-function 1)
2405 (put 'message-check 'edebug-form-spec '(form body))
2407 (defun message-fix-before-sending ()
2408 "Do various things to make the message nice before sending it."
2409 ;; Make sure there's a newline at the end of the message.
2410 (goto-char (point-max))
2413 ;; Delete all invisible text.
2414 (message-check 'invisible-text
2415 (when (text-property-any (point-min) (point-max) 'invisible t)
2416 (put-text-property (point-min) (point-max) 'invisible nil)
2417 (unless (yes-or-no-p
2418 "Invisible text found and made visible; continue posting? ")
2419 (error "Invisible text found and made visible")))))
2421 (defun message-add-action (action &rest types)
2422 "Add ACTION to be performed when doing an exit of type TYPES."
2425 (set (setq var (intern (format "message-%s-actions" (pop types))))
2426 (nconc (symbol-value var) (list action))))))
2428 (defun message-do-actions (actions)
2429 "Perform all actions in ACTIONS."
2430 ;; Now perform actions on successful sending.
2434 ;; A simple function.
2435 ((message-functionp (car actions))
2436 (funcall (car actions)))
2437 ;; Something to be evaled.
2439 (eval (car actions)))))
2442 (defun message-send-mail-partially ()
2443 "Send mail as message/partial."
2444 ;; replace the header delimiter with a blank line
2445 (goto-char (point-min))
2447 (concat "^" (regexp-quote mail-header-separator) "\n"))
2448 (replace-match "\n")
2449 (run-hooks 'message-send-mail-hook)
2450 (let ((p (goto-char (point-min)))
2451 (tembuf (message-generate-new-buffer-clone-locals " message temp"))
2452 (curbuf (current-buffer))
2453 (id (message-make-message-id)) (n 1)
2454 plist total header required-mail-headers)
2456 (if (< (point-max) (+ p message-send-mail-partially-limit))
2457 (goto-char (point-max))
2458 (goto-char (+ p message-send-mail-partially-limit))
2460 (if (<= (point) p) (forward-line 1))) ;; In case of bad message.
2463 (setq total (length plist))
2464 (push (point-max) plist)
2465 (setq plist (nreverse plist))
2468 (setq p (pop plist))
2471 (copy-to-buffer tembuf p (car plist))
2473 (goto-char (point-min))
2476 (goto-char (point-min))
2477 (narrow-to-region (point) (point))
2480 (setq header (buffer-substring (point-min) (point)))
2481 (goto-char (point-min))
2482 (narrow-to-region (point) (point))
2484 (message-remove-header "Mime-Version")
2485 (message-remove-header "Content-Type")
2486 (message-remove-header "Content-Transfer-Encoding")
2487 (message-remove-header "Message-ID")
2488 (message-remove-header "Lines")
2489 (goto-char (point-max))
2490 (insert "Mime-Version: 1.0\n")
2491 (setq header (buffer-substring (point-min) (point-max))))
2492 (goto-char (point-max))
2493 (insert (format "Content-Type: message/partial; id=\"%s\"; number=%d; total=%d\n\n"
2496 (let ((mail-header-separator ""))
2497 (when (memq 'Message-ID message-required-mail-headers)
2498 (insert "Message-ID: " (message-make-message-id) "\n"))
2499 (when (memq 'Lines message-required-mail-headers)
2500 (insert "Lines: " (message-make-lines) "\n"))
2501 (message-goto-subject)
2503 (insert (format " (%d/%d)" n total))
2505 (mm-with-unibyte-current-buffer
2506 (funcall (or message-send-mail-real-function
2507 message-send-mail-function))))
2509 (setq p (pop plist))
2511 (kill-buffer tembuf))))
2513 (defun message-send-mail (&optional arg)
2514 (require 'mail-utils)
2515 (let* ((tembuf (message-generate-new-buffer-clone-locals " message temp"))
2516 (case-fold-search nil)
2517 (news (message-news-p))
2518 (mailbuf (current-buffer))
2519 (message-this-is-mail t)
2520 (message-posting-charset
2521 (if (fboundp 'gnus-setup-posting-charset)
2522 (gnus-setup-posting-charset nil)
2523 message-posting-charset)))
2525 (message-narrow-to-headers)
2526 ;; Insert some headers.
2527 (let ((message-deletable-headers
2528 (if news nil message-deletable-headers)))
2529 (message-generate-headers message-required-mail-headers))
2530 ;; Let the user do all of the above.
2531 (run-hooks 'message-header-hook))
2536 ;; Avoid copying text props.
2537 (insert (with-current-buffer mailbuf
2538 (buffer-substring-no-properties (point-min) (point-max))))
2539 ;; Remove some headers.
2540 (message-encode-message-body)
2542 (message-narrow-to-headers)
2543 ;; We (re)generate the Lines header.
2544 (when (memq 'Lines message-required-mail-headers)
2545 (message-generate-headers '(Lines)))
2546 ;; Remove some headers.
2547 (message-remove-header message-ignored-mail-headers t)
2548 (let ((mail-parse-charset message-default-charset))
2549 (mail-encode-encoded-word-buffer)))
2550 (goto-char (point-max))
2551 ;; require one newline at the end.
2552 (or (= (preceding-char) ?\n)
2556 (message-narrow-to-headers)
2558 (or (message-fetch-field "cc")
2559 (message-fetch-field "to"))
2560 (let ((content-type (message-fetch-field "content-type")))
2563 (string= "text/plain"
2565 (mail-header-parse-content-type
2567 (message-insert-courtesy-copy))
2568 (if (or (not message-send-mail-partially-limit)
2569 (< (point-max) message-send-mail-partially-limit)
2570 (not (y-or-n-p "Message exceeds message-send-mail-partially-limit, send in parts? ")))
2571 (mm-with-unibyte-current-buffer
2572 (message "Sending via mail...")
2573 (funcall (or message-send-mail-real-function
2574 message-send-mail-function)))
2575 (message-send-mail-partially)))
2576 (kill-buffer tembuf))
2577 (set-buffer mailbuf)
2578 (push 'mail message-sent-message-via)))
2580 (defun message-send-mail-with-sendmail ()
2581 "Send off the prepared buffer with sendmail."
2582 (let ((errbuf (if message-interactive
2583 (message-generate-new-buffer-clone-locals
2586 resend-to-addresses delimline)
2587 (let ((case-fold-search t))
2589 (message-narrow-to-headers)
2590 (setq resend-to-addresses (message-fetch-field "resent-to")))
2591 ;; Change header-delimiter to be what sendmail expects.
2592 (goto-char (point-min))
2594 (concat "^" (regexp-quote mail-header-separator) "\n"))
2595 (replace-match "\n")
2597 (setq delimline (point-marker))
2598 (run-hooks 'message-send-mail-hook)
2599 ;; Insert an extra newline if we need it to work around
2600 ;; Sun's bug that swallows newlines.
2601 (goto-char (1+ delimline))
2602 (when (eval message-mailer-swallows-blank-line)
2604 (when message-interactive
2608 (let ((default-directory "/")
2609 (coding-system-for-write message-send-coding-system))
2610 (apply 'call-process-region
2611 (append (list (point-min) (point-max)
2612 (if (boundp 'sendmail-program)
2614 "/usr/lib/sendmail")
2615 nil errbuf nil "-oi")
2616 ;; Always specify who from,
2617 ;; since some systems have broken sendmails.
2618 ;; But some systems are more broken with -f, so
2619 ;; we'll let users override this.
2620 (if (null message-sendmail-f-is-evil)
2621 (list "-f" (message-make-address)))
2622 ;; These mean "report errors by mail"
2623 ;; and "deliver in background".
2624 (if (null message-interactive) '("-oem" "-odb"))
2625 ;; Get the addresses from the message
2626 ;; unless this is a resend.
2627 ;; We must not do that for a resend
2628 ;; because we would find the original addresses.
2629 ;; For a resend, include the specific addresses.
2630 (if resend-to-addresses
2631 (list resend-to-addresses)
2633 (when message-interactive
2636 (goto-char (point-min))
2637 (while (re-search-forward "\n\n* *" nil t)
2638 (replace-match "; "))
2639 (if (not (zerop (buffer-size)))
2640 (error "Sending...failed to %s"
2641 (buffer-substring (point-min) (point-max)))))
2642 (when (bufferp errbuf)
2643 (kill-buffer errbuf)))))
2645 (defun message-send-mail-with-qmail ()
2646 "Pass the prepared message buffer to qmail-inject.
2647 Refer to the documentation for the variable `message-send-mail-function'
2648 to find out how to use this."
2649 ;; replace the header delimiter with a blank line
2650 (goto-char (point-min))
2652 (concat "^" (regexp-quote mail-header-separator) "\n"))
2653 (replace-match "\n")
2654 (run-hooks 'message-send-mail-hook)
2657 (let ((coding-system-for-write message-send-coding-system))
2659 'call-process-region 1 (point-max) message-qmail-inject-program
2661 ;; qmail-inject's default behaviour is to look for addresses on the
2662 ;; command line; if there're none, it scans the headers.
2663 ;; yes, it does The Right Thing w.r.t. Resent-To and it's kin.
2665 ;; in general, ALL of qmail-inject's defaults are perfect for simply
2666 ;; reading a formatted (i. e., at least a To: or Resent-To header)
2667 ;; message from stdin.
2669 ;; qmail also has the advantage of not having been raped by
2670 ;; various vendors, so we don't have to allow for that, either --
2671 ;; compare this with message-send-mail-with-sendmail and weep
2672 ;; for sendmail's lost innocence.
2674 ;; all this is way cool coz it lets us keep the arguments entirely
2675 ;; free for -inject-arguments -- a big win for the user and for us
2676 ;; since we don't have to play that double-guessing game and the user
2677 ;; gets full control (no gestapo'ish -f's, for instance). --sj
2678 message-qmail-inject-args))
2679 ;; qmail-inject doesn't say anything on it's stdout/stderr,
2680 ;; we have to look at the retval instead
2682 (100 (error "qmail-inject reported permanent failure"))
2683 (111 (error "qmail-inject reported transient failure"))
2684 ;; should never happen
2685 (t (error "qmail-inject reported unknown failure"))))
2687 (defun message-send-mail-with-mh ()
2688 "Send the prepared message buffer with mh."
2689 (let ((mh-previous-window-config nil)
2690 (name (mh-new-draft-name)))
2691 (setq buffer-file-name name)
2692 ;; MH wants to generate these headers itself.
2693 (when message-mh-deletable-headers
2694 (let ((headers message-mh-deletable-headers))
2696 (goto-char (point-min))
2697 (and (re-search-forward
2698 (concat "^" (symbol-name (car headers)) ": *") nil t)
2699 (message-delete-line))
2701 (run-hooks 'message-send-mail-hook)
2702 ;; Pass it on to mh.
2705 (defun message-send-news (&optional arg)
2706 (let* ((tembuf (message-generate-new-buffer-clone-locals " *message temp*"))
2707 (case-fold-search nil)
2708 (method (if (message-functionp message-post-method)
2709 (funcall message-post-method arg)
2710 message-post-method))
2711 (newsgroups-field (save-restriction
2712 (message-narrow-to-headers-or-head)
2713 (message-fetch-field "Newsgroups")))
2714 (followup-field (save-restriction
2715 (message-narrow-to-headers-or-head)
2716 (message-fetch-field "Followup-To")))
2717 ;; BUG: We really need to get the charset for each name in the
2718 ;; Newsgroups and Followup-To lines to allow crossposting
2719 ;; between group namess with incompatible character sets.
2720 ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2001-10-08.
2721 (group-field-charset
2722 (gnus-group-name-charset method newsgroups-field))
2723 (followup-field-charset
2724 (gnus-group-name-charset method (or followup-field "")))
2725 (rfc2047-header-encoding-alist
2726 (append (when group-field-charset
2727 (list (cons "Newsgroups" group-field-charset)))
2728 (when followup-field-charset
2729 (list (cons "Followup-To" followup-field-charset)))
2730 rfc2047-header-encoding-alist))
2731 (messbuf (current-buffer))
2732 (message-syntax-checks
2734 (listp message-syntax-checks))
2735 (cons '(existing-newsgroups . disabled)
2736 message-syntax-checks)
2737 message-syntax-checks))
2738 (message-this-is-news t)
2739 (message-posting-charset
2740 (gnus-setup-posting-charset newsgroups-field))
2742 (if (not (message-check-news-body-syntax))
2745 (message-narrow-to-headers)
2746 ;; Insert some headers.
2747 (message-generate-headers message-required-news-headers)
2748 ;; Let the user do all of the above.
2749 (run-hooks 'message-header-hook))
2750 ;; Note: This check will be disabled by the ".*" default value for
2751 ;; gnus-group-name-charset-group-alist. -- Pa 2001-10-07.
2752 (when (and group-field-charset
2753 (listp message-syntax-checks))
2754 (setq message-syntax-checks
2755 (cons '(valid-newsgroups . disabled)
2756 message-syntax-checks)))
2757 (message-cleanup-headers)
2758 (if (not (let ((message-post-method method))
2759 (message-check-news-syntax)))
2764 (buffer-disable-undo)
2766 ;; Avoid copying text props.
2767 (insert (with-current-buffer messbuf
2768 (buffer-substring-no-properties
2769 (point-min) (point-max))))
2770 (message-encode-message-body)
2771 ;; Remove some headers.
2773 (message-narrow-to-headers)
2774 ;; We (re)generate the Lines header.
2775 (when (memq 'Lines message-required-mail-headers)
2776 (message-generate-headers '(Lines)))
2777 ;; Remove some headers.
2778 (message-remove-header message-ignored-news-headers t)
2779 (let ((mail-parse-charset message-default-charset))
2780 (mail-encode-encoded-word-buffer)))
2781 (goto-char (point-max))
2782 ;; require one newline at the end.
2783 (or (= (preceding-char) ?\n)
2785 (let ((case-fold-search t))
2786 ;; Remove the delimiter.
2787 (goto-char (point-min))
2789 (concat "^" (regexp-quote mail-header-separator) "\n"))
2790 (replace-match "\n")
2792 (run-hooks 'message-send-news-hook)
2793 (gnus-open-server method)
2794 (message "Sending news with %s..." (gnus-server-string method))
2795 (setq result (let ((mail-header-separator ""))
2796 (gnus-request-post method))))
2797 (kill-buffer tembuf))
2798 (set-buffer messbuf)
2800 (push 'news message-sent-message-via)
2801 (message "Couldn't send message via news: %s"
2802 (nnheader-get-report (car method)))
2806 ;;; Header generation & syntax checking.
2809 (defun message-check-element (type)
2810 "Return non-nil if this TYPE is not to be checked."
2811 (if (eq message-syntax-checks 'dont-check-for-anything-just-trust-me)
2813 (let ((able (assq type message-syntax-checks)))
2815 (eq (cdr able) 'disabled)))))
2817 (defun message-check-news-syntax ()
2818 "Check the syntax of the message."
2822 ;; We narrow to the headers and check them first.
2825 (message-narrow-to-headers)
2826 (message-check-news-header-syntax))))))
2828 (defun message-check-news-header-syntax ()
2830 ;; Check Newsgroups header.
2831 (message-check 'newsgroups
2832 (let ((group (message-fetch-field "newsgroups")))
2835 (not (string-match "\\`[ \t]*\\'" group)))
2838 "The newsgroups field is empty or missing. Posting is denied.")))))
2839 ;; Check the Subject header.
2840 (message-check 'subject
2841 (let* ((case-fold-search t)
2842 (subject (message-fetch-field "subject")))
2845 (not (string-match "\\`[ \t]*\\'" subject)))
2848 "The subject field is empty or missing. Posting is denied.")))))
2849 ;; Check for commands in Subject.
2850 (message-check 'subject-cmsg
2851 (if (string-match "^cmsg " (message-fetch-field "subject"))
2853 "The control code \"cmsg\" is in the subject. Really post? ")
2855 ;; Check for multiple identical headers.
2856 (message-check 'multiple-headers
2858 (while (and (not found)
2859 (re-search-forward "^[^ \t:]+: " nil t))
2861 (or (re-search-forward
2866 (match-beginning 0) (- (match-end 0) 2))))
2871 (y-or-n-p (format "Multiple %s headers. Really post? " found))
2873 ;; Check for Version and Sendsys.
2874 (message-check 'sendsys
2875 (if (re-search-forward "^Sendsys:\\|^Version:" nil t)
2877 (format "The article contains a %s command. Really post? "
2878 (buffer-substring (match-beginning 0)
2879 (1- (match-end 0)))))
2881 ;; See whether we can shorten Followup-To.
2882 (message-check 'shorten-followup-to
2883 (let ((newsgroups (message-fetch-field "newsgroups"))
2884 (followup-to (message-fetch-field "followup-to"))
2886 (when (and newsgroups
2887 (string-match "," newsgroups)
2892 (setq to (completing-read
2893 "Followups to: (default all groups) "
2894 (mapcar (lambda (g) (list g))
2896 (message-tokenize-header
2898 (goto-char (point-min))
2899 (insert "Followup-To: " to "\n"))
2901 ;; Check "Shoot me".
2902 (message-check 'shoot
2903 (if (re-search-forward
2904 "Message-ID.*.i-did-not-set--mail-host-address--so-shoot-me" nil t)
2905 (y-or-n-p "You appear to have a misconfigured system. Really post? ")
2907 ;; Check for Approved.
2908 (message-check 'approved
2909 (if (re-search-forward "^Approved:" nil t)
2910 (y-or-n-p "The article contains an Approved header. Really post? ")
2912 ;; Check the Message-ID header.
2913 (message-check 'message-id
2914 (let* ((case-fold-search t)
2915 (message-id (message-fetch-field "message-id" t)))
2916 (or (not message-id)
2917 ;; Is there an @ in the ID?
2918 (and (string-match "@" message-id)
2919 ;; Is there a dot in the ID?
2920 (string-match "@[^.]*\\." message-id)
2921 ;; Does the ID end with a dot?
2922 (not (string-match "\\.>" message-id)))
2924 (format "The Message-ID looks strange: \"%s\". Really post? "
2926 ;; Check the Newsgroups & Followup-To headers.
2927 (message-check 'existing-newsgroups
2928 (let* ((case-fold-search t)
2929 (newsgroups (message-fetch-field "newsgroups"))
2930 (followup-to (message-fetch-field "followup-to"))
2931 (groups (message-tokenize-header
2933 (concat newsgroups "," followup-to)
2935 (post-method (if (message-functionp message-post-method)
2936 (funcall message-post-method)
2937 message-post-method))
2938 ;; KLUDGE to handle nnvirtual groups. Doing this right
2939 ;; would probably involve a new nnoo function.
2940 ;; -- Per Abrahamsen <abraham@dina.kvl.dk>, 2001-10-17.
2941 (method (if (and (consp post-method)
2942 (eq (car post-method) 'nnvirtual)
2943 gnus-message-group-art)
2944 (let ((group (car (nnvirtual-find-group-art
2945 (car gnus-message-group-art)
2946 (cdr gnus-message-group-art)))))
2947 (gnus-find-method-for-group group))
2951 (gnus-group-name-decode
2952 (gnus-group-real-name n)
2953 (gnus-group-name-charset method n)))
2954 (gnus-groups-from-server method)))
2957 (unless (or (equal (car groups) "poster")
2958 (member (car groups) known-groups))
2959 (push (car groups) errors))
2962 ;; Gnus is not running.
2963 ((or (not (and (boundp 'gnus-active-hashtb)
2964 gnus-active-hashtb))
2965 (not (boundp 'gnus-read-active-file)))
2967 ;; We don't have all the group names.
2968 ((and (or (not gnus-read-active-file)
2969 (eq gnus-read-active-file 'some))
2973 "Really post to %s possibly unknown group%s: %s? "
2974 (if (= (length errors) 1) "this" "these")
2975 (if (= (length errors) 1) "" "s")
2976 (mapconcat 'identity errors ", "))))
2977 ;; There were no errors.
2980 ;; There are unknown groups.
2984 "Really post to %s unknown group%s: %s? "
2985 (if (= (length errors) 1) "this" "these")
2986 (if (= (length errors) 1) "" "s")
2987 (mapconcat 'identity errors ", ")))))))
2988 ;; Check the Newsgroups & Followup-To headers for syntax errors.
2989 (message-check 'valid-newsgroups
2990 (let ((case-fold-search t)
2991 (headers '("Newsgroups" "Followup-To"))
2993 (while (and headers (not error))
2994 (when (setq header (mail-fetch-field (car headers)))
2998 "\\`\\([-+_&.a-zA-Z0-9]+\\)?\\(,[-+_&.a-zA-Z0-9]+\\)*\\'"
3003 (not (string-match "\\.\\'\\|\\.\\." g)))
3004 (message-tokenize-header header ","))))
3011 (format "The %s header looks odd: \"%s\". Really post? "
3012 (car headers) header)))))
3013 (message-check 'repeated-newsgroups
3014 (let ((case-fold-search t)
3015 (headers '("Newsgroups" "Followup-To"))
3016 header error groups group)
3019 (when (setq header (mail-fetch-field (pop headers)))
3020 (setq groups (message-tokenize-header header ","))
3021 (while (setq group (pop groups))
3022 (when (member group groups)
3028 (format "Group %s is repeated in headers. Really post? " error)))))
3029 ;; Check the From header.
3030 (message-check 'from
3031 (let* ((case-fold-search t)
3032 (from (message-fetch-field "from"))
3036 (message "There is no From line. Posting is denied.")
3038 ((or (not (string-match
3040 (setq ad (nth 1 (mail-extract-address-components
3041 from))))) ;larsi@ifi
3042 (string-match "\\.\\." ad) ;larsi@ifi..uio
3043 (string-match "@\\." ad) ;larsi@.ifi.uio
3044 (string-match "\\.$" ad) ;larsi@ifi.uio.
3045 (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
3046 (string-match "(.*).*(.*)" from)) ;(lars) (lars)
3048 "Denied posting -- the From looks strange: \"%s\"." from)
3050 ((let ((addresses (rfc822-addresses from)))
3051 (while (and addresses
3052 (not (eq (string-to-char (car addresses)) ?\()))
3053 (setq addresses (cdr addresses)))
3056 "Denied posting -- bad From address: \"%s\"." from)
3059 ;; Check the Reply-To header.
3060 (message-check 'reply-to
3061 (let* ((case-fold-search t)
3062 (reply-to (message-fetch-field "reply-to"))
3067 ((string-match "," reply-to)
3069 (format "Multiple Reply-To addresses: \"%s\". Really post? "
3071 ((or (not (string-match
3073 (setq ad (nth 1 (mail-extract-address-components
3074 reply-to))))) ;larsi@ifi
3075 (string-match "\\.\\." ad) ;larsi@ifi..uio
3076 (string-match "@\\." ad) ;larsi@.ifi.uio
3077 (string-match "\\.$" ad) ;larsi@ifi.uio.
3078 (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
3079 (string-match "(.*).*(.*)" reply-to)) ;(lars) (lars)
3082 "The Reply-To looks strange: \"%s\". Really post? "
3086 (defun message-check-news-body-syntax ()
3088 ;; Check for long lines.
3089 (message-check 'long-lines
3090 (goto-char (point-min))
3092 (concat "^" (regexp-quote mail-header-separator) "$"))
3096 "<#\\(/\\)?\\(multipart\\|part\\|external\\|mml\\)")
3099 (< (- (point) p) 80)))
3100 (zerop (forward-line 1))))
3104 "You have lines longer than 79 characters. Really post? ")))
3105 ;; Check whether the article is empty.
3106 (message-check 'empty
3107 (goto-char (point-min))
3109 (concat "^" (regexp-quote mail-header-separator) "$"))
3112 (goto-char (point-max))
3113 (re-search-backward message-signature-separator nil t)
3115 (or (re-search-backward "[^ \n\t]" b t)
3116 (if (message-gnksa-enable-p 'empty-article)
3117 (y-or-n-p "Empty article. Really post? ")
3118 (message "Denied posting -- Empty article.")
3120 ;; Check for control characters.
3121 (message-check 'control-chars
3122 (if (re-search-forward "[\000-\007\013\015-\032\034-\037\200-\237]" nil t)
3124 "The article contains control characters. Really post? ")
3126 ;; Check excessive size.
3127 (message-check 'size
3128 (if (> (buffer-size) 60000)
3130 (format "The article is %d octets long. Really post? "
3133 ;; Check whether any new text has been added.
3134 (message-check 'new-text
3136 (not message-checksum)
3137 (not (eq (message-checksum) message-checksum))
3138 (if (message-gnksa-enable-p 'quoted-text-only)
3140 "It looks like no new text has been added. Really post? ")
3141 (message "Denied posting -- no new text has been added.")
3143 ;; Check the length of the signature.
3144 (message-check 'signature
3145 (goto-char (point-max))
3146 (if (> (count-lines (point) (point-max)) 5)
3149 "Your .sig is %d lines; it should be max 4. Really post? "
3150 (1- (count-lines (point) (point-max)))))
3152 ;; Ensure that text follows last quoted portion.
3153 (message-check 'quoting-style
3154 (goto-char (point-max))
3155 (let ((no-problem t))
3156 (when (search-backward-regexp "^>[^\n]*\n" nil t)
3157 (setq no-problem (search-forward-regexp "^[ \t]*[^>\n]" nil t)))
3160 (if (message-gnksa-enable-p 'quoted-text-only)
3161 (y-or-n-p "Your text should follow quoted text. Really post? ")
3163 (goto-char (point-min))
3165 (concat "^" (regexp-quote mail-header-separator) "$"))
3166 (if (search-forward-regexp "^[ \t]*[^>\n]" nil t)
3167 (y-or-n-p "Your text should follow quoted text. Really post? ")
3168 (message "Denied posting -- only quoted text.")
3171 (defun message-checksum ()
3172 "Return a \"checksum\" for the current buffer."
3175 (goto-char (point-min))
3177 (concat "^" (regexp-quote mail-header-separator) "$"))
3179 (when (not (looking-at "[ \t\n]"))
3180 (setq sum (logxor (ash sum 1) (if (natnump sum) 0 1)
3185 (defun message-do-fcc ()
3186 "Process Fcc headers in the current buffer."
3187 (let ((case-fold-search t)
3188 (buf (current-buffer))
3192 (message-narrow-to-headers)
3193 (setq file (message-fetch-field "fcc" t)))
3195 (set-buffer (get-buffer-create " *message temp*"))
3197 (insert-buffer-substring buf)
3198 (message-encode-message-body)
3200 (message-narrow-to-headers)
3201 (while (setq file (message-fetch-field "fcc" t))
3203 (message-remove-header "fcc" nil t))
3204 (let ((mail-parse-charset message-default-charset)
3205 (rfc2047-header-encoding-alist
3206 (cons '("Newsgroups" . default)
3207 rfc2047-header-encoding-alist)))
3208 (mail-encode-encoded-word-buffer)))
3209 (goto-char (point-min))
3210 (when (re-search-forward
3211 (concat "^" (regexp-quote mail-header-separator) "$")
3213 (replace-match "" t t ))
3214 ;; Process FCC operations.
3216 (setq file (pop list))
3217 (if (string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" file)
3218 ;; Pipe the article to the program in question.
3219 (call-process-region (point-min) (point-max) shell-file-name
3220 nil nil nil shell-command-switch
3221 (match-string 1 file))
3222 ;; Save the article.
3223 (setq file (expand-file-name file))
3224 (unless (file-exists-p (file-name-directory file))
3225 (make-directory (file-name-directory file) t))
3226 (if (and message-fcc-handler-function
3227 (not (eq message-fcc-handler-function 'rmail-output)))
3228 (funcall message-fcc-handler-function file)
3229 (if (and (file-readable-p file) (mail-file-babyl-p file))
3230 (rmail-output file 1 nil t)
3231 (let ((mail-use-rfc822 t))
3232 (rmail-output file 1 t t))))))
3233 (kill-buffer (current-buffer))))))
3235 (defun message-output (filename)
3236 "Append this article to Unix/babyl mail file FILENAME."
3237 (if (and (file-readable-p filename)
3238 (mail-file-babyl-p filename))
3239 (gnus-output-to-rmail filename t)
3240 (gnus-output-to-mail filename t)))
3242 (defun message-cleanup-headers ()
3243 "Do various automatic cleanups of the headers."
3244 ;; Remove empty lines in the header.
3246 (message-narrow-to-headers)
3247 ;; Remove blank lines.
3248 (while (re-search-forward "^[ \t]*\n" nil t)
3249 (replace-match "" t t))
3251 ;; Correct Newsgroups and Followup-To headers: Change sequence of
3252 ;; spaces to comma and eliminate spaces around commas. Eliminate
3253 ;; embedded line breaks.
3254 (goto-char (point-min))
3255 (while (re-search-forward "^\\(Newsgroups\\|Followup-To\\): +" nil t)
3259 (if (re-search-forward "^[^ \t]" nil t)
3263 (goto-char (point-min))
3264 (while (re-search-forward "\n[ \t]+" nil t)
3265 (replace-match " " t t)) ;No line breaks (too confusing)
3266 (goto-char (point-min))
3267 (while (re-search-forward "[ \t\n]*,[ \t\n]*\\|[ \t]+" nil t)
3268 (replace-match "," t t))
3269 (goto-char (point-min))
3270 ;; Remove trailing commas.
3271 (when (re-search-forward ",+$" nil t)
3272 (replace-match "" t t))))))
3274 (defun message-make-date (&optional now)
3275 "Make a valid data header.
3276 If NOW, use that time instead."
3277 (let* ((now (or now (current-time)))
3278 (zone (nth 8 (decode-time now)))
3282 (setq zone (- zone)))
3284 ;; The day name of the %a spec is locale-specific. Pfff.
3285 (format "%s, " (capitalize (car (rassoc (nth 6 (decode-time now))
3286 parse-time-weekdays))))
3287 (format-time-string "%d" now)
3288 ;; The month name of the %b spec is locale-specific. Pfff.
3290 (capitalize (car (rassoc (nth 4 (decode-time now))
3291 parse-time-months))))
3292 (format-time-string "%Y %H:%M:%S " now)
3293 ;; We do all of this because XEmacs doesn't have the %z spec.
3294 (format "%s%02d%02d" sign (/ zone 3600) (/ (% zone 3600) 60)))))
3296 (defun message-make-message-id ()
3297 "Make a unique Message-ID."
3298 (concat "<" (message-unique-id)
3299 (let ((psubject (save-excursion (message-fetch-field "subject")))
3301 (save-excursion (message-fetch-field "supersedes"))))
3303 (and message-reply-headers
3304 (mail-header-references message-reply-headers)
3305 (mail-header-subject message-reply-headers)
3308 (message-strip-subject-re
3309 (mail-header-subject message-reply-headers))
3310 (message-strip-subject-re psubject))))
3312 (string-match "_-_@" psupersedes)))
3314 "@" (message-make-fqdn) ">"))
3316 (defvar message-unique-id-char nil)
3318 ;; If you ever change this function, make sure the new version
3319 ;; cannot generate IDs that the old version could.
3320 ;; You might for example insert a "." somewhere (not next to another dot
3321 ;; or string boundary), or modify the "fsf" string.
3322 (defun message-unique-id ()
3323 ;; Don't use microseconds from (current-time), they may be unsupported.
3324 ;; Instead we use this randomly inited counter.
3325 (setq message-unique-id-char
3326 (% (1+ (or message-unique-id-char (logand (random t) (1- (lsh 1 20)))))
3327 ;; (current-time) returns 16-bit ints,
3328 ;; and 2^16*25 just fits into 4 digits i base 36.
3330 (let ((tm (current-time)))
3332 (if (memq system-type '(ms-dos emx vax-vms))
3333 (let ((user (downcase (user-login-name))))
3334 (while (string-match "[^a-z0-9_]" user)
3335 (aset user (match-beginning 0) ?_))
3337 (message-number-base36 (user-uid) -1))
3338 (message-number-base36 (+ (car tm)
3339 (lsh (% message-unique-id-char 25) 16)) 4)
3340 (message-number-base36 (+ (nth 1 tm)
3341 (lsh (/ message-unique-id-char 25) 16)) 4)
3342 ;; Append the newsreader name, because while the generated
3343 ;; ID is unique to this newsreader, other newsreaders might
3344 ;; otherwise generate the same ID via another algorithm.
3347 (defun message-number-base36 (num len)
3352 (concat (message-number-base36 (/ num 36) (1- len))
3353 (char-to-string (aref "zyxwvutsrqponmlkjihgfedcba9876543210"
3356 (defun message-make-organization ()
3357 "Make an Organization header."
3358 (let* ((organization
3359 (when message-user-organization
3360 (if (message-functionp message-user-organization)
3361 (funcall message-user-organization)
3362 message-user-organization))))
3364 (message-set-work-buffer)
3365 (cond ((stringp organization)
3366 (insert organization))
3367 ((and (eq t organization)
3368 message-user-organization-file
3369 (file-exists-p message-user-organization-file))
3370 (insert-file-contents message-user-organization-file)))
3371 (goto-char (point-min))
3372 (while (re-search-forward "[\t\n]+" nil t)
3373 (replace-match "" t t))
3374 (unless (zerop (buffer-size))
3377 (defun message-make-lines ()
3378 "Count the number of lines and return numeric string."
3383 (int-to-string (count-lines (point) (point-max))))))
3385 (defun message-make-in-reply-to ()
3386 "Return the In-Reply-To header for this message."
3387 (when message-reply-headers
3388 (let ((from (mail-header-from message-reply-headers))
3389 (date (mail-header-date message-reply-headers))
3390 (msg-id (mail-header-message-id message-reply-headers)))
3393 (string-match " *at \\| *@ \\| *(\\| *<" from)))
3394 (concat msg-id (if msg-id " (")
3396 (not (zerop stop-pos)))
3397 (substring from 0 stop-pos) from)
3399 (if (or (not date) (string= date ""))
3400 "(unknown date)" date)
3401 "\"" (if msg-id ")")))))))
3403 (defun message-make-distribution ()
3404 "Make a Distribution header."
3405 (let ((orig-distribution (message-fetch-reply-field "distribution")))
3406 (cond ((message-functionp message-distribution-function)
3407 (funcall message-distribution-function))
3408 (t orig-distribution))))
3410 (defun message-make-expires ()
3411 "Return an Expires header based on `message-expires'."
3412 (let ((current (current-time))
3413 (future (* 1.0 message-expires 60 60 24)))
3414 ;; Add the future to current.
3415 (setcar current (+ (car current) (round (/ future (expt 2 16)))))
3416 (setcar (cdr current) (+ (nth 1 current) (% (round future) (expt 2 16))))
3417 (message-make-date current)))
3419 (defun message-make-path ()
3421 (let ((login-name (user-login-name)))
3422 (cond ((null message-user-path)
3423 (concat (system-name) "!" login-name))
3424 ((stringp message-user-path)
3425 ;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com.
3426 (concat message-user-path "!" login-name))
3429 (defun message-make-from ()
3430 "Make a From header."
3431 (let* ((style message-from-style)
3432 (login (message-make-address))
3434 (or (and (boundp 'user-full-name)
3437 (when (string= fullname "&")
3438 (setq fullname (user-login-name)))
3440 (message-set-work-buffer)
3443 (equal fullname ""))
3445 ((or (eq style 'angles)
3446 (and (not (eq style 'parens))
3447 ;; Use angles if no quoting is needed, or if parens would
3448 ;; need quoting too.
3449 (or (not (string-match "[^- !#-'*+/-9=?A-Z^-~]" fullname))
3450 (let ((tmp (concat fullname nil)))
3451 (while (string-match "([^()]*)" tmp)
3452 (aset tmp (match-beginning 0) ?-)
3453 (aset tmp (1- (match-end 0)) ?-))
3454 (string-match "[\\()]" tmp)))))
3456 (goto-char (point-min))
3457 ;; Look for a character that cannot appear unquoted
3458 ;; according to RFC 822.
3459 (when (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" nil 1)
3460 ;; Quote fullname, escaping specials.
3461 (goto-char (point-min))
3463 (while (re-search-forward "[\"\\]" nil 1)
3464 (replace-match "\\\\\\&" t))
3466 (insert " <" login ">"))
3467 (t ; 'parens or default
3469 (let ((fullname-start (point)))
3471 (goto-char fullname-start)
3472 ;; RFC 822 says \ and nonmatching parentheses
3473 ;; must be escaped in comments.
3474 ;; Escape every instance of ()\ ...
3475 (while (re-search-forward "[()\\]" nil 1)
3476 (replace-match "\\\\\\&" t))
3477 ;; ... then undo escaping of matching parentheses,
3478 ;; including matching nested parentheses.
3479 (goto-char fullname-start)
3480 (while (re-search-forward
3481 "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
3483 (replace-match "\\1(\\3)" t)
3484 (goto-char fullname-start)))
3488 (defun message-make-sender ()
3489 "Return the \"real\" user address.
3490 This function tries to ignore all user modifications, and
3491 give as trustworthy answer as possible."
3492 (concat (user-login-name) "@" (system-name)))
3494 (defun message-make-address ()
3495 "Make the address of the user."
3496 (or (message-user-mail-address)
3497 (concat (user-login-name) "@" (message-make-domain))))
3499 (defun message-user-mail-address ()
3500 "Return the pertinent part of `user-mail-address'."
3501 (when user-mail-address
3502 (if (string-match " " user-mail-address)
3503 (nth 1 (mail-extract-address-components user-mail-address))
3504 user-mail-address)))
3506 (defun message-make-fqdn ()
3507 "Return user's fully qualified domain name."
3508 (let ((system-name (system-name))
3509 (user-mail (message-user-mail-address)))
3511 ((and (string-match "[^.]\\.[^.]" system-name)
3512 (not (string-match message-bogus-system-names system-name)))
3513 ;; `system-name' returned the right result.
3515 ;; Try `mail-host-address'.
3516 ((and (boundp 'mail-host-address)
3517 (stringp mail-host-address)
3518 (string-match "\\." mail-host-address))
3520 ;; We try `user-mail-address' as a backup.
3522 (string-match "\\." user-mail)
3523 (string-match "@\\(.*\\)\\'" user-mail))
3524 (match-string 1 user-mail))
3525 ;; Default to this bogus thing.
3527 (concat system-name ".i-did-not-set--mail-host-address--so-shoot-me")))))
3529 (defun message-make-host-name ()
3530 "Return the name of the host."
3531 (let ((fqdn (message-make-fqdn)))
3532 (string-match "^[^.]+\\." fqdn)
3533 (substring fqdn 0 (1- (match-end 0)))))
3535 (defun message-make-domain ()
3536 "Return the domain name."
3537 (or mail-host-address
3538 (message-make-fqdn)))
3540 (defun message-generate-headers (headers)
3541 "Prepare article HEADERS.
3542 Headers already prepared in the buffer are not modified."
3544 (message-narrow-to-headers)
3545 (let* ((Date (message-make-date))
3546 (Message-ID (message-make-message-id))
3547 (Organization (message-make-organization))
3548 (From (message-make-from))
3549 (Path (message-make-path))
3552 (In-Reply-To (message-make-in-reply-to))
3554 (Distribution (message-make-distribution))
3555 (Lines (message-make-lines))
3556 (User-Agent message-newsreader)
3557 (Expires (message-make-expires))
3558 (case-fold-search t)
3560 ;; First we remove any old generated headers.
3561 (let ((headers message-deletable-headers))
3562 (unless (buffer-modified-p)
3563 (setq headers (delq 'Message-ID (copy-sequence headers))))
3565 (goto-char (point-min))
3566 (and (re-search-forward
3567 (concat "^" (symbol-name (car headers)) ": *") nil t)
3568 (get-text-property (1+ (match-beginning 0)) 'message-deletable)
3569 (message-delete-line))
3571 ;; Go through all the required headers and see if they are in the
3572 ;; articles already. If they are not, or are empty, they are
3573 ;; inserted automatically - except for Subject, Newsgroups and
3576 (goto-char (point-min))
3577 (setq elem (pop headers))
3579 (if (eq (car elem) 'optional)
3580 (setq header (cdr elem))
3581 (setq header (car elem)))
3583 (when (or (not (re-search-forward
3587 (if (stringp header)
3589 (symbol-name header))))
3593 ;; The header was found. We insert a space after the
3594 ;; colon, if there is none.
3595 (if (/= (char-after) ? ) (insert " ") (forward-char 1))
3596 ;; Find out whether the header is empty...
3597 (looking-at "[ \t]*\n[^ \t]")))
3598 ;; So we find out what value we should insert.
3601 ((and (consp elem) (eq (car elem) 'optional))
3602 ;; This is an optional header. If the cdr of this
3603 ;; is something that is nil, then we do not insert
3605 (setq header (cdr elem))
3606 (or (and (fboundp (cdr elem)) (funcall (cdr elem)))
3607 (and (boundp (cdr elem)) (symbol-value (cdr elem)))))
3609 ;; The element is a cons. Either the cdr is a
3610 ;; string to be inserted verbatim, or it is a
3611 ;; function, and we insert the value returned from
3613 (or (and (stringp (cdr elem)) (cdr elem))
3614 (and (fboundp (cdr elem)) (funcall (cdr elem)))))
3615 ((and (boundp header) (symbol-value header))
3616 ;; The element is a symbol. We insert the value
3617 ;; of this symbol, if any.
3618 (symbol-value header))
3619 ((not (message-check-element header))
3620 ;; We couldn't generate a value for this header,
3621 ;; so we just ask the user.
3622 (read-from-minibuffer
3623 (format "Empty header for %s; enter value: " header)))))
3624 ;; Finally insert the header.
3626 (not (equal value "")))
3630 ;; This header didn't exist, so we insert it.
3631 (goto-char (point-max))
3632 (insert (if (stringp header) header (symbol-name header))
3635 ;; The value of this header was empty, so we clear
3636 ;; totally and insert the new value.
3637 (delete-region (point) (gnus-point-at-eol))
3639 ;; Add the deletable property to the headers that require it.
3640 (and (memq header message-deletable-headers)
3641 (progn (beginning-of-line) (looking-at "[^:]+: "))
3642 (add-text-properties
3643 (point) (match-end 0)
3644 '(message-deletable t face italic) (current-buffer)))))))
3645 ;; Insert new Sender if the From is strange.
3646 (let ((from (message-fetch-field "from"))
3647 (sender (message-fetch-field "sender"))
3648 (secure-sender (message-make-sender)))
3650 (not (message-check-element 'sender))
3653 (cadr (mail-extract-address-components from)))
3654 (downcase secure-sender)))
3659 (cadr (mail-extract-address-components sender)))
3660 (downcase secure-sender)))))
3661 (goto-char (point-min))
3662 ;; Rename any old Sender headers to Original-Sender.
3663 (when (re-search-forward "^\\(Original-\\)*Sender:" nil t)
3665 (insert "Original-")
3666 (beginning-of-line))
3667 (when (or (message-news-p)
3668 (string-match "@.+\\.." secure-sender))
3669 (insert "Sender: " secure-sender "\n")))))))
3671 (defun message-insert-courtesy-copy ()
3672 "Insert a courtesy message in mail copies of combined messages."
3676 (message-narrow-to-headers)
3677 (when (setq newsgroups (message-fetch-field "newsgroups"))
3678 (goto-char (point-max))
3679 (insert "Posted-To: " newsgroups "\n")))
3681 (when message-courtesy-message
3683 ((string-match "%s" message-courtesy-message)
3684 (insert (format message-courtesy-message newsgroups)))
3686 (insert message-courtesy-message)))))))
3689 ;;; Setting up a message buffer
3692 (defun message-fill-address (header value)
3694 (narrow-to-region (point) (point))
3695 (insert (capitalize (symbol-name header))
3697 (if (consp value) (car value) value)
3699 (narrow-to-region (point-min) (1- (point-max)))
3701 (goto-char (point-min))
3703 (skip-chars-forward "^,\"" (point-max))
3704 (if (or (eq (char-after) ?,)
3707 (if (and (> (current-column) 78)
3713 (setq last (1+ (point))))
3714 (setq last (1+ (point)))))
3715 (setq quoted (not quoted)))
3718 (goto-char (point-max))
3722 (defun message-fill-header (header value)
3723 (let ((begin (point))
3726 (insert (capitalize (symbol-name header))
3728 (if (consp value) (car value) value)
3731 (narrow-to-region begin (point))
3732 (fill-region-as-paragraph begin (point))
3733 ;; Tapdance around looong Message-IDs.
3735 (when (looking-at "[ \t]*$")
3736 (message-delete-line))
3738 (re-search-forward ":" nil t)
3739 (when (looking-at "\n[ \t]+")
3740 (replace-match " " t t))
3741 (goto-char (point-max)))))
3743 (defun message-shorten-1 (list cut surplus)
3744 "Cut SURPLUS elements out of LIST, beginning with CUTth one."
3745 (setcdr (nthcdr (- cut 2) list)
3746 (nthcdr (+ (- cut 2) surplus 1) list)))
3748 (defun message-shorten-references (header references)
3749 "Trim REFERENCES to be 21 Message-ID long or less, and fold them.
3750 If folding is disallowed, also check that the REFERENCES are less
3751 than 988 characters long, and if they are not, trim them until they are."
3758 (goto-char (point-min))
3759 ;; Cons a list of valid references.
3760 (while (re-search-forward "<[^>]+>" nil t)
3761 (push (match-string 0) refs))
3762 (setq refs (nreverse refs)
3763 count (length refs)))
3765 ;; If the list has more than MAXCOUNT elements, trim it by
3766 ;; removing the CUTth element and the required number of
3767 ;; elements that follow.
3768 (when (> count maxcount)
3769 (let ((surplus (- count maxcount)))
3770 (message-shorten-1 refs cut surplus)
3771 (decf count surplus)))
3773 ;; If folding is disallowed, make sure the total length (including
3774 ;; the spaces between) will be less than MAXSIZE characters.
3776 ;; Only disallow folding for News messages. At this point the headers
3777 ;; have not been generated, thus we use message-this-is-news directly.
3778 (when (and message-this-is-news message-cater-to-broken-inn)
3780 (totalsize (+ (apply #'+ (mapcar #'length refs))
3783 (ptr (nthcdr (1- cut) refs)))
3784 ;; Decide how many elements to cut off...
3785 (while (> totalsize maxsize)
3786 (decf totalsize (1+ (length (car ptr))))
3788 (setq ptr (cdr ptr)))
3791 (message-shorten-1 refs cut surplus))))
3793 ;; Finally, collect the references back into a string and insert
3794 ;; it into the buffer.
3795 (let ((refstring (mapconcat #'identity refs " ")))
3796 (if (and message-this-is-news message-cater-to-broken-inn)
3797 (insert (capitalize (symbol-name header)) ": "
3799 (message-fill-header header refstring)))))
3801 (defun message-position-point ()
3802 "Move point to where the user probably wants to find it."
3803 (message-narrow-to-headers)
3805 ((re-search-forward "^[^:]+:[ \t]*$" nil t)
3806 (search-backward ":" )
3809 (if (eq (char-after) ? )
3813 (goto-char (point-max))
3816 (unless (looking-at "$")
3820 (defun message-buffer-name (type &optional to group)
3821 "Return a new (unique) buffer name based on TYPE and TO."
3823 ;; Generate a new buffer name The Message Way.
3824 ((eq message-generate-new-buffers 'unique)
3825 (generate-new-buffer-name
3829 (or (car (mail-extract-address-components to))
3832 (if (and group (not (string= group ""))) (concat " on " group) "")
3834 ;; Check whether `message-generate-new-buffers' is a function,
3835 ;; and if so, call it.
3836 ((message-functionp message-generate-new-buffers)
3837 (funcall message-generate-new-buffers type to group))
3838 ((eq message-generate-new-buffers 'unsent)
3839 (generate-new-buffer-name
3840 (concat "*unsent " type
3843 (or (car (mail-extract-address-components to))
3846 (if (and group (not (string= group ""))) (concat " on " group) "")
3848 ;; Use standard name.
3850 (format "*%s message*" type))))
3852 (defun message-pop-to-buffer (name)
3853 "Pop to buffer NAME, and warn if it already exists and is modified."
3854 (let ((buffer (get-buffer name)))
3856 (buffer-name buffer))
3858 (set-buffer (pop-to-buffer buffer))
3859 (when (and (buffer-modified-p)
3861 "Message already being composed; erase? ")))
3862 (error "Message being composed")))
3863 (set-buffer (pop-to-buffer name)))
3867 (defun message-do-send-housekeeping ()
3868 "Kill old message buffers."
3869 ;; We might have sent this buffer already. Delete it from the
3871 (setq message-buffer-list (delq (current-buffer) message-buffer-list))
3872 (while (and message-max-buffers
3874 (>= (length message-buffer-list) message-max-buffers))
3875 ;; Kill the oldest buffer -- unless it has been changed.
3876 (let ((buffer (pop message-buffer-list)))
3877 (when (and (buffer-name buffer)
3878 (not (buffer-modified-p buffer)))
3879 (kill-buffer buffer))))
3880 ;; Rename the buffer.
3881 (if message-send-rename-function
3882 (funcall message-send-rename-function)
3883 ;; Note: mail-abbrevs of XEmacs renames buffer name behind Gnus.
3885 "\\`\\*\\(sent \\|unsent \\)?\\(.+\\)\\*[^\\*]*\\|\\`mail to "
3887 (let ((name (match-string 2 (buffer-name)))
3889 (if (not (or (null name)
3890 (string-equal name "mail")
3891 (string-equal name "news")))
3892 (setq name (concat "*sent " name "*"))
3893 (message-narrow-to-headers)
3894 (setq to (message-fetch-field "to"))
3895 (setq group (message-fetch-field "newsgroups"))
3899 (to (concat "*sent mail to "
3900 (or (car (mail-extract-address-components to))
3902 ((and group (not (string= group "")))
3903 (concat "*sent news on " group "*"))
3904 (t "*sent mail*"))))
3905 (unless (string-equal name (buffer-name))
3906 (rename-buffer name t)))))
3907 ;; Push the current buffer onto the list.
3908 (when message-max-buffers
3909 (setq message-buffer-list
3910 (nconc message-buffer-list (list (current-buffer))))))
3912 (defun message-mail-user-agent ()
3914 ((not message-mail-user-agent) nil)
3915 ((eq message-mail-user-agent t) mail-user-agent)
3916 (t message-mail-user-agent))))
3917 (if (memq mua '(message-user-agent gnus-user-agent))
3921 (defun message-setup (headers &optional replybuffer actions switch-function)
3922 (let ((mua (message-mail-user-agent))
3923 subject to field yank-action)
3924 (if (not (and message-this-is-mail mua))
3925 (message-setup-1 headers replybuffer actions)
3927 (setq yank-action (list 'insert-buffer replybuffer)))
3928 (setq headers (copy-sequence headers))
3929 (setq field (assq 'Subject headers))
3931 (setq subject (cdr field))
3932 (setq headers (delq field headers)))
3933 (setq field (assq 'To headers))
3935 (setq to (cdr field))
3936 (setq headers (delq field headers)))
3937 (let ((mail-user-agent mua))
3938 (compose-mail to subject
3939 (mapcar (lambda (item)
3941 (format "%s" (car item))
3944 nil switch-function yank-action actions)))))
3946 ;;;(defvar mc-modes-alist)
3947 (defun message-setup-1 (headers &optional replybuffer actions)
3948 ;;; (when (and (boundp 'mc-modes-alist)
3949 ;;; (not (assq 'message-mode mc-modes-alist)))
3950 ;;; (push '(message-mode (encrypt . mc-encrypt-message)
3951 ;;; (sign . mc-sign-message))
3952 ;;; mc-modes-alist))
3954 (setq message-send-actions actions))
3955 (setq message-reply-buffer replybuffer)
3956 (goto-char (point-min))
3957 ;; Insert all the headers.
3960 (alist message-header-format-alist))
3962 (unless (assq (caar h) message-header-format-alist)
3963 (push (list (caar h)) alist))
3967 (delete-region (point) (progn (forward-line -1) (point)))
3968 (when message-default-headers
3969 (insert message-default-headers)
3970 (or (bolp) (insert ?\n)))
3974 (insert mail-header-separator "\n")
3978 (when (message-news-p)
3979 (when message-default-news-headers
3980 (insert message-default-news-headers)
3981 (or (bolp) (insert ?\n)))
3982 (when message-generate-headers-first
3983 (message-generate-headers
3986 (copy-sequence message-required-news-headers))))))
3987 (when (message-mail-p)
3988 (when message-default-mail-headers
3989 (insert message-default-mail-headers)
3990 (or (bolp) (insert ?\n)))
3991 (when message-generate-headers-first
3992 (message-generate-headers
3995 (copy-sequence message-required-mail-headers))))))
3996 (run-hooks 'message-signature-setup-hook)
3997 (message-insert-signature)
3999 (message-narrow-to-headers)
4000 (if message-alternative-emails
4001 (message-use-alternative-email-as-from))
4002 (run-hooks 'message-header-setup-hook))
4003 (set-buffer-modified-p nil)
4004 (setq buffer-undo-list nil)
4005 (run-hooks 'message-setup-hook)
4006 (message-position-point)
4009 (defun message-set-auto-save-file-name ()
4010 "Associate the message buffer with a file in the drafts directory."
4011 (when message-auto-save-directory
4012 (unless (file-directory-p
4013 (directory-file-name message-auto-save-directory))
4014 (gnus-make-directory message-auto-save-directory))
4016 (setq message-draft-article
4017 (nndraft-request-associate-buffer "drafts"))
4018 (setq buffer-file-name (expand-file-name
4019 (if (memq system-type
4020 '(ms-dos ms-windows windows-nt
4025 message-auto-save-directory))
4026 (setq buffer-auto-save-file-name (make-auto-save-file-name)))
4027 (clear-visited-file-modtime)
4028 (setq buffer-file-coding-system message-draft-coding-system)))
4030 (defun message-disassociate-draft ()
4031 "Disassociate the message buffer from the drafts directory."
4032 (when message-draft-article
4033 (nndraft-request-expire-articles
4034 (list message-draft-article) "drafts" nil t)))
4036 (defun message-insert-headers ()
4037 "Generate the headers for the article."
4041 (message-narrow-to-headers)
4042 (when (message-news-p)
4043 (message-generate-headers
4046 (copy-sequence message-required-news-headers)))))
4047 (when (message-mail-p)
4048 (message-generate-headers
4051 (copy-sequence message-required-mail-headers))))))))
4056 ;;; Commands for interfacing with message
4060 (defun message-mail (&optional to subject
4061 other-headers continue switch-function
4062 yank-action send-actions)
4063 "Start editing a mail message to be sent.
4064 OTHER-HEADERS is an alist of header/value pairs."
4066 (let ((message-this-is-mail t) replybuffer)
4067 (unless (message-mail-user-agent)
4068 (message-pop-to-buffer (message-buffer-name "mail" to)))
4069 ;; FIXME: message-mail should do something if YANK-ACTION is not
4071 (and (consp yank-action) (eq (car yank-action) 'insert-buffer)
4072 (setq replybuffer (nth 1 yank-action)))
4075 `((To . ,(or to "")) (Subject . ,(or subject "")))
4076 (when other-headers other-headers))
4077 replybuffer send-actions)
4078 ;; FIXME: Should return nil if failure.
4082 (defun message-news (&optional newsgroups subject)
4083 "Start editing a news article to be sent."
4085 (let ((message-this-is-news t))
4086 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups))
4087 (message-setup `((Newsgroups . ,(or newsgroups ""))
4088 (Subject . ,(or subject ""))))))
4090 (defun message-get-reply-headers (wide &optional to-address)
4091 (let (follow-to mct never-mct to cc author mft recipients)
4092 ;; Find all relevant headers we need.
4093 (setq to (message-fetch-field "to")
4094 cc (message-fetch-field "cc")
4095 mct (message-fetch-field "mail-copies-to")
4096 author (or (message-fetch-field "mail-reply-to")
4097 (message-fetch-field "reply-to")
4098 (message-fetch-field "from")
4100 mft (and message-use-mail-followup-to
4101 (message-fetch-field "mail-followup-to")))
4103 ;; Handle special values of Mail-Copies-To.
4105 (cond ((or (equal (downcase mct) "never")
4106 (equal (downcase mct) "nobody"))
4109 ((or (equal (downcase mct) "always")
4110 (equal (downcase mct) "poster"))
4111 (setq mct author))))
4114 ;; Build (textual) list of new recipient addresses.
4117 (setq recipients (concat ", " author)))
4119 (string-match "[^ \t,]" mft)
4120 (or (not (eq message-use-mail-followup-to 'ask))
4121 (message-y-or-n-p "Obey Mail-Followup-To? " t "\
4122 You should normally obey the Mail-Followup-To: header. In this
4123 article, it has the value of
4127 which directs your response to " (if (string-match "," mft)
4128 "the specified addresses"
4129 "that address only") ".
4131 Most commonly, Mail-Followup-To is used by a mailing list poster to
4132 express that responses should be sent to just the list, and not the
4135 If a message is posted to several mailing lists, Mail-Followup-To may
4136 also be used to direct the following discussion to one list only,
4137 because discussions that are spread over several lists tend to be
4138 fragmented and very difficult to follow.
4140 Also, some source/announcement lists are not intended for discussion;
4141 responses here are directed to other addresses.")))
4142 (setq recipients (concat ", " mft)))
4144 (setq recipients (concat ", " to-address))
4145 ;; If the author explicitly asked for a copy, we don't deny it to them.
4146 (if mct (setq recipients (concat recipients ", " mct))))
4148 (setq recipients (if never-mct "" (concat ", " author)))
4149 (if to (setq recipients (concat recipients ", " to)))
4150 (if cc (setq recipients (concat recipients ", " cc)))
4151 (if mct (setq recipients (concat recipients ", " mct)))))
4152 ;; Strip the leading ", ".
4153 (setq recipients (substring recipients 2))
4154 ;; Squeeze whitespace.
4155 (while (string-match "[ \t][ \t]+" recipients)
4156 (setq recipients (replace-match " " t t recipients)))
4157 ;; Remove addresses that match `rmail-dont-reply-to-names'.
4158 (let ((rmail-dont-reply-to-names message-dont-reply-to-names))
4159 (setq recipients (rmail-dont-reply-to recipients)))
4160 ;; Perhaps "Mail-Copies-To: never" removed the only address?
4161 (if (string-equal recipients "")
4162 (setq recipients author))
4163 ;; Convert string to a list of (("foo@bar" . "Name <foo@bar>") ...).
4167 (cons (mail-strip-quoted-names addr) addr))
4168 (message-tokenize-header recipients)))
4169 ;; Remove first duplicates. (Why not all duplicates? Is this a bug?)
4170 (let ((s recipients))
4172 (setq recipients (delq (assoc (car (pop s)) s) recipients))))
4173 ;; Build the header alist. Allow the user to be asked whether
4174 ;; or not to reply to all recipients in a wide reply.
4175 (setq follow-to (list (cons 'To (cdr (pop recipients)))))
4176 (when (and recipients
4177 (or (not message-wide-reply-confirm-recipients)
4178 (y-or-n-p "Reply to all recipients? ")))
4179 (setq recipients (mapconcat
4180 (lambda (addr) (cdr addr)) recipients ", "))
4181 (if (string-match "^ +" recipients)
4182 (setq recipients (substring recipients (match-end 0))))
4183 (push (cons 'Cc recipients) follow-to)))
4187 (defun message-reply (&optional to-address wide)
4188 "Start editing a reply to the article in the current buffer."
4190 (require 'gnus-sum) ; for gnus-list-identifiers
4191 (let ((cur (current-buffer))
4192 from subject date reply-to to cc
4193 references message-id follow-to
4194 (inhibit-point-motion-hooks t)
4195 (message-this-is-mail t)
4198 (message-narrow-to-head-1)
4199 ;; Allow customizations to have their say.
4201 ;; This is a regular reply.
4202 (when (message-functionp message-reply-to-function)
4204 (setq follow-to (funcall message-reply-to-function))))
4205 ;; This is a followup.
4206 (when (message-functionp message-wide-reply-to-function)
4209 (funcall message-wide-reply-to-function)))))
4210 (setq message-id (message-fetch-field "message-id" t)
4211 references (message-fetch-field "references")
4212 date (message-fetch-field "date")
4213 from (message-fetch-field "from")
4214 subject (or (message-fetch-field "subject") "none"))
4215 (when gnus-list-identifiers
4216 (setq subject (message-strip-list-identifiers subject)))
4217 (setq subject (concat "Re: " (message-strip-subject-re subject)))
4219 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
4220 (string-match "<[^>]+>" gnus-warning))
4221 (setq message-id (match-string 0 gnus-warning)))
4224 (setq follow-to (message-get-reply-headers wide to-address))))
4226 (unless (message-mail-user-agent)
4227 (message-pop-to-buffer
4228 (message-buffer-name
4229 (if wide "wide reply" "reply") from
4230 (if wide to-address nil))))
4232 (setq message-reply-headers
4233 (vector 0 subject from date message-id references 0 0 ""))
4236 `((Subject . ,subject)
4238 ,@(if (or references message-id)
4239 `((References . ,(concat (or references "") (and references " ")
4240 (or message-id ""))))
4245 (defun message-wide-reply (&optional to-address)
4246 "Make a \"wide\" reply to the message in the current buffer."
4248 (message-reply to-address t))
4251 (defun message-followup (&optional to-newsgroups)
4252 "Follow up to the message in the current buffer.
4253 If TO-NEWSGROUPS, use that as the new Newsgroups line."
4255 (require 'gnus-sum) ; for gnus-list-identifiers
4256 (let ((cur (current-buffer))
4257 from subject date reply-to mrt mct
4258 references message-id follow-to
4259 (inhibit-point-motion-hooks t)
4260 (message-this-is-news t)
4261 followup-to distribution newsgroups gnus-warning posted-to)
4264 (goto-char (point-min))
4265 (if (search-forward "\n\n" nil t)
4268 (when (message-functionp message-followup-to-function)
4270 (funcall message-followup-to-function)))
4271 (setq from (message-fetch-field "from")
4272 date (message-fetch-field "date")
4273 subject (or (message-fetch-field "subject") "none")
4274 references (message-fetch-field "references")
4275 message-id (message-fetch-field "message-id" t)
4276 followup-to (message-fetch-field "followup-to")
4277 newsgroups (message-fetch-field "newsgroups")
4278 posted-to (message-fetch-field "posted-to")
4279 reply-to (message-fetch-field "reply-to")
4280 mrt (message-fetch-field "mail-reply-to")
4281 distribution (message-fetch-field "distribution")
4282 mct (message-fetch-field "mail-copies-to"))
4283 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
4284 (string-match "<[^>]+>" gnus-warning))
4285 (setq message-id (match-string 0 gnus-warning)))
4286 ;; Remove bogus distribution.
4287 (when (and (stringp distribution)
4288 (let ((case-fold-search t))
4289 (string-match "world" distribution)))
4290 (setq distribution nil))
4291 (if gnus-list-identifiers
4292 (setq subject (message-strip-list-identifiers subject)))
4293 (setq subject (concat "Re: " (message-strip-subject-re subject)))
4296 (message-pop-to-buffer (message-buffer-name "followup" from newsgroups))
4299 `((Subject . ,subject)
4302 (list (cons 'Newsgroups to-newsgroups)))
4303 (follow-to follow-to)
4304 ((and followup-to message-use-followup-to)
4307 ((equal (downcase followup-to) "poster")
4308 (if (or (eq message-use-followup-to 'use)
4309 (message-y-or-n-p "Obey Followup-To: poster? " t "\
4310 You should normally obey the Followup-To: header.
4312 `Followup-To: poster' sends your response via e-mail instead of news.
4314 A typical situation where `Followup-To: poster' is used is when the poster
4315 does not read the newsgroup, so he wouldn't see any replies sent to it."))
4317 (setq message-this-is-news nil)
4318 (cons 'To (or mrt reply-to from "")))
4319 (cons 'Newsgroups newsgroups)))
4321 (if (or (equal followup-to newsgroups)
4322 (not (eq message-use-followup-to 'ask))
4324 (concat "Obey Followup-To: " followup-to "? ") t "\
4325 You should normally obey the Followup-To: header.
4327 `Followup-To: " followup-to "'
4328 directs your response to " (if (string-match "," followup-to)
4329 "the specified newsgroups"
4330 "that newsgroup only") ".
4332 If a message is posted to several newsgroups, Followup-To is often
4333 used to direct the following discussion to one newsgroup only,
4334 because discussions that are spread over several newsgroup tend to
4335 be fragmented and very difficult to follow.
4337 Also, some source/announcement newsgroups are not intended for discussion;
4338 responses here are directed to other newsgroups."))
4339 (cons 'Newsgroups followup-to)
4340 (cons 'Newsgroups newsgroups))))))
4342 `((Newsgroups . ,posted-to)))
4344 `((Newsgroups . ,newsgroups))))
4345 ,@(and distribution (list (cons 'Distribution distribution)))
4346 ,@(if (or references message-id)
4347 `((References . ,(concat (or references "") (and references " ")
4348 (or message-id "")))))
4350 (not (or (equal (downcase mct) "never")
4351 (equal (downcase mct) "nobody"))))
4352 (list (cons 'Cc (if (or (equal (downcase mct) "always")
4353 (equal (downcase mct) "poster"))
4354 (or mrt reply-to from "")
4359 (setq message-reply-headers
4360 (vector 0 subject from date message-id references 0 0 ""))))
4364 (defun message-cancel-news (&optional arg)
4365 "Cancel an article you posted.
4366 If ARG, allow editing of the cancellation message."
4368 (unless (message-news-p)
4369 (error "This is not a news article; canceling is impossible"))
4370 (let (from newsgroups message-id distribution buf sender)
4372 ;; Get header info from original article.
4374 (message-narrow-to-head-1)
4375 (setq from (message-fetch-field "from")
4376 sender (message-fetch-field "sender")
4377 newsgroups (message-fetch-field "newsgroups")
4378 message-id (message-fetch-field "message-id" t)
4379 distribution (message-fetch-field "distribution")))
4380 ;; Make sure that this article was written by the user.
4382 ;; Canlock-logic as suggested by Per Abrahamsen
4383 ;; <abraham@dina.kvl.dk>
4385 ;; IF article has cancel-lock THEN
4386 ;; IF we can load canlock THEN
4387 ;; IF we can verify it THEN
4390 ;; error: cancellock: article is not yours
4392 ;; error: message is cancel locked
4394 ;; Use old rules, comparing sender...
4395 (if (message-fetch-field "Cancel-Lock")
4396 (if (ignore-errors (require 'canlock))
4397 (if (null (canlock-verify))
4399 (error "Failed to verify Cancel-lock: This article is not yours"))
4400 (error "This article is cancel locked, the `canlock.el' library is required."))
4402 (message-gnksa-enable-p 'cancel-messages)
4406 (downcase (message-make-sender))))
4408 (downcase (cadr (mail-extract-address-components from)))
4409 (downcase (cadr (mail-extract-address-components
4410 (message-make-from))))))
4411 (error "This article is not yours"))
4412 (when (yes-or-no-p "Do you really want to cancel this article? ")
4413 ;; Make control message.
4416 (setq buf (set-buffer (get-buffer-create " *message cancel*"))))
4418 (insert "Newsgroups: " newsgroups "\n"
4420 "Subject: cmsg cancel " message-id "\n"
4421 "Control: cancel " message-id "\n"
4423 (concat "Distribution: " distribution "\n")
4425 mail-header-separator "\n"
4426 message-cancel-message)
4427 (run-hooks 'message-cancel-hook)
4429 (message "Canceling your article...")
4430 (if (let ((message-syntax-checks
4431 'dont-check-for-anything-just-trust-me))
4432 (funcall message-send-news-function))
4433 (message "Canceling your article...done"))
4434 (kill-buffer buf))))))
4437 (defun message-supersede ()
4438 "Start composing a message to supersede the current message.
4439 This is done simply by taking the old article and adding a Supersedes
4440 header line with the old Message-ID."
4442 (let ((cur (current-buffer))
4443 (sender (message-fetch-field "sender"))
4444 (from (message-fetch-field "from")))
4445 ;; Check whether the user owns the article that is to be superseded.
4446 (unless (or (message-gnksa-enable-p 'cancel-messages)
4450 (downcase (message-make-sender))))
4452 (downcase (cadr (mail-extract-address-components from)))
4453 (downcase (cadr (mail-extract-address-components
4454 (message-make-from))))))
4455 (error "This article is not yours"))
4456 ;; Get a normal message buffer.
4457 (message-pop-to-buffer (message-buffer-name "supersede"))
4458 (insert-buffer-substring cur)
4460 (message-narrow-to-head-1)
4461 ;; Remove unwanted headers.
4462 (when message-ignored-supersedes-headers
4463 (message-remove-header message-ignored-supersedes-headers t))
4464 (goto-char (point-min))
4465 (if (not (re-search-forward "^Message-ID: " nil t))
4466 (error "No Message-ID in this article")
4467 (replace-match "Supersedes: " t t))
4468 (goto-char (point-max))
4469 (insert mail-header-separator)
4474 (defun message-recover ()
4475 "Reread contents of current buffer from its last auto-save file."
4477 (let ((file-name (make-auto-save-file-name)))
4478 (cond ((save-window-excursion
4479 (if (not (eq system-type 'vax-vms))
4480 (with-output-to-temp-buffer "*Directory*"
4481 (with-current-buffer standard-output
4482 (fundamental-mode)) ; for Emacs 20.4+
4483 (buffer-disable-undo standard-output)
4484 (let ((default-directory "/"))
4486 "ls" nil standard-output nil "-l" file-name))))
4487 (yes-or-no-p (format "Recover auto save file %s? " file-name)))
4488 (let ((buffer-read-only nil))
4490 (insert-file-contents file-name nil)))
4491 (t (error "message-recover cancelled")))))
4493 ;;; Washing Subject:
4495 (defun message-wash-subject (subject)
4496 "Remove junk like \"Re:\", \"(fwd)\", etc. added to subject string SUBJECT.
4497 Previous forwarders, replyers, etc. may add it."
4499 (insert-string subject)
4500 (goto-char (point-min))
4501 ;; strip Re/Fwd stuff off the beginning
4502 (while (re-search-forward
4503 "\\([Rr][Ee]:\\|[Ff][Ww][Dd]\\(\\[[0-9]*\\]\\)?:\\|[Ff][Ww]:\\)" nil t)
4506 ;; and gnus-style forwards [foo@bar.com] subject
4507 (goto-char (point-min))
4508 (while (re-search-forward "\\[[^ \t]*\\(@\\|\\.\\)[^ \t]*\\]" nil t)
4512 (goto-char (point-max))
4513 (while (re-search-backward "([Ff][Ww][Dd])" nil t)
4516 ;; and finally, any whitespace that was left-over
4517 (goto-char (point-min))
4518 (while (re-search-forward "^[ \t]+" nil t)
4520 (goto-char (point-max))
4521 (while (re-search-backward "[ \t]+$" nil t)
4526 ;;; Forwarding messages.
4528 (defvar message-forward-decoded-p nil
4529 "Non-nil means the original message is decoded.")
4531 (defun message-forward-subject-author-subject (subject)
4532 "Generate a SUBJECT for a forwarded message.
4533 The form is: [Source] Subject, where if the original message was mail,
4534 Source is the sender, and if the original message was news, Source is
4535 the list of newsgroups is was posted to."
4538 (or (message-fetch-field "newsgroups")
4539 (message-fetch-field "from")
4541 (if message-forward-decoded-p
4543 (mail-decode-encoded-word-string prefix)))
4546 (defun message-forward-subject-fwd (subject)
4547 "Generate a SUBJECT for a forwarded message.
4548 The form is: Fwd: Subject, where Subject is the original subject of
4550 (concat "Fwd: " subject))
4552 (defun message-make-forward-subject ()
4553 "Return a Subject header suitable for the message in the current buffer."
4556 (message-narrow-to-head-1)
4557 (let ((funcs message-make-forward-subject-function)
4558 (subject (message-fetch-field "Subject")))
4561 (if message-forward-decoded-p
4563 (mail-decode-encoded-word-string subject))
4565 (if message-wash-forwarded-subjects
4566 (setq subject (message-wash-subject subject)))
4567 ;; Make sure funcs is a list.
4570 (setq funcs (list funcs)))
4571 ;; Apply funcs in order, passing subject generated by previous
4572 ;; func to the next one.
4574 (when (message-functionp (car funcs))
4575 (setq subject (funcall (car funcs) subject)))
4576 (setq funcs (cdr funcs)))
4580 (defvar gnus-article-decoded-p))
4584 (defun message-forward (&optional news digest)
4585 "Forward the current message via mail.
4586 Optional NEWS will use news to forward instead of mail.
4587 Optional DIGEST will use digest to forward."
4589 (let* ((cur (current-buffer))
4590 (message-forward-decoded-p
4591 (if (local-variable-p 'gnus-article-decoded-p (current-buffer))
4592 gnus-article-decoded-p ;; In an article buffer.
4593 message-forward-decoded-p))
4594 (subject (message-make-forward-subject)))
4596 (message-news nil subject)
4597 (message-mail nil subject))
4598 (message-forward-make-body cur digest)))
4601 (defun message-forward-make-body (forward-buffer &optional digest)
4602 ;; Put point where we want it before inserting the forwarded
4604 (if message-forward-before-signature
4606 (goto-char (point-max)))
4607 (if message-forward-as-mime
4609 (insert "\n<#multipart type=digest>\n")
4610 (if message-forward-show-mml
4611 (insert "\n\n<#mml type=message/rfc822 disposition=inline>\n")
4612 (insert "\n\n<#part type=message/rfc822 disposition=inline raw=t>\n")))
4613 (insert "\n-------------------- Start of forwarded message --------------------\n"))
4614 (let ((b (point)) e)
4616 (if message-forward-as-mime
4617 (insert-buffer-substring forward-buffer)
4618 (mml-insert-buffer forward-buffer))
4619 (if (and message-forward-show-mml
4620 (not message-forward-decoded-p))
4623 (mm-disable-multibyte-mule4) ;; Must copy buffer in unibyte mode
4625 (with-current-buffer forward-buffer
4626 (mm-string-as-unibyte (buffer-string))))
4627 (mm-enable-multibyte-mule4)
4629 (goto-char (point-min))
4630 (when (looking-at "From ")
4631 (replace-match "X-From-Line: "))
4634 (narrow-to-region (point) (point))
4635 (mml-insert-buffer forward-buffer)
4636 (goto-char (point-min))
4637 (when (looking-at "From ")
4638 (replace-match "X-From-Line: "))
4639 (goto-char (point-max)))))
4641 (if message-forward-as-mime
4643 (insert "<#/multipart>\n")
4644 (if message-forward-show-mml
4645 (insert "<#/mml>\n")
4646 (insert "<#/part>\n")))
4647 (insert "\n-------------------- End of forwarded message --------------------\n"))
4648 (if (and digest message-forward-as-mime)
4650 (narrow-to-region b e)
4652 (narrow-to-region (point)
4653 (or (search-forward "\n\n" nil t) (point)))
4654 (delete-region (point-min) (point-max)))
4655 (when (and (not current-prefix-arg)
4656 message-forward-ignored-headers)
4658 (narrow-to-region b e)
4660 (narrow-to-region (point)
4661 (or (search-forward "\n\n" nil t) (point)))
4662 (message-remove-header message-forward-ignored-headers t)))))
4663 (message-position-point))
4666 (defun message-forward-rmail-make-body (forward-buffer)
4667 (with-current-buffer forward-buffer
4668 (let (rmail-enable-mime)
4669 (rmail-toggle-header 0)))
4670 (message-forward-make-body forward-buffer))
4673 (defun message-insinuate-rmail ()
4674 "Let RMAIL uses message to forward."
4676 (setq rmail-enable-mime-composing t)
4677 (setq rmail-insert-mime-forwarded-message-function
4678 'message-forward-rmail-make-body))
4681 (defun message-resend (address)
4682 "Resend the current article to ADDRESS."
4684 (list (message-read-from-minibuffer "Resend message to: ")))
4685 (message "Resending message to %s..." address)
4687 (let ((cur (current-buffer))
4689 ;; We first set up a normal mail buffer.
4690 (unless (message-mail-user-agent)
4691 (set-buffer (get-buffer-create " *message resend*"))
4693 (let ((message-this-is-mail t))
4694 (message-setup `((To . ,address))))
4695 ;; Insert our usual headers.
4696 (message-generate-headers '(From Date To))
4697 (message-narrow-to-headers)
4698 ;; Rename them all to "Resent-*".
4699 (while (re-search-forward "^[A-Za-z]" nil t)
4704 (delete-region (point) (point-max))
4706 ;; Insert the message to be resent.
4707 (insert-buffer-substring cur)
4708 (goto-char (point-min))
4709 (search-forward "\n\n")
4712 (narrow-to-region beg (point))
4713 (message-remove-header message-ignored-resent-headers t)
4714 (goto-char (point-max)))
4715 (insert mail-header-separator)
4716 ;; Rename all old ("Also-")Resent headers.
4717 (while (re-search-backward "^\\(Also-\\)*Resent-" beg t)
4720 ;; Quote any "From " lines at the beginning.
4722 (when (looking-at "From ")
4723 (replace-match "X-From-Line: "))
4725 (let ((message-inhibit-body-encoding t)
4726 message-required-mail-headers)
4727 (message-send-mail))
4728 (kill-buffer (current-buffer)))
4729 (message "Resending message to %s...done" address)))
4732 (defun message-bounce ()
4733 "Re-mail the current message.
4734 This only makes sense if the current message is a bounce message that
4735 contains some mail you have written which has been bounced back to
4738 (let ((handles (mm-dissect-buffer t))
4740 (message-pop-to-buffer (message-buffer-name "bounce"))
4741 (if (stringp (car handles))
4742 ;; This is a MIME bounce.
4743 (mm-insert-part (car (last handles)))
4744 ;; This is a non-MIME bounce, so we try to remove things
4746 (mm-insert-part handles)
4748 (goto-char (point-min))
4749 (search-forward "\n\n" nil t)
4750 (if (or (and (re-search-forward message-unsent-separator nil t)
4752 (re-search-forward "^Return-Path:.*\n" nil t))
4753 ;; We remove everything before the bounced mail.
4756 (if (re-search-forward "^[^ \n\t]+:" nil t)
4759 (when (re-search-backward "^.?From .*\n" nil t)
4760 (delete-region (match-beginning 0) (match-end 0)))))
4761 (mm-enable-multibyte)
4764 (message-narrow-to-head-1)
4765 (message-remove-header message-ignored-bounced-headers t)
4766 (goto-char (point-max))
4767 (insert mail-header-separator))
4768 (message-position-point)))
4771 ;;; Interactive entry points for new message buffers.
4775 (defun message-mail-other-window (&optional to subject)
4776 "Like `message-mail' command, but display mail buffer in another window."
4778 (unless (message-mail-user-agent)
4779 (let ((pop-up-windows t)
4780 (special-display-buffer-names nil)
4781 (special-display-regexps nil)
4782 (same-window-buffer-names nil)
4783 (same-window-regexps nil))
4784 (message-pop-to-buffer (message-buffer-name "mail" to))))
4785 (let ((message-this-is-mail t))
4786 (message-setup `((To . ,(or to "")) (Subject . ,(or subject "")))
4787 nil nil 'switch-to-buffer-other-window)))
4790 (defun message-mail-other-frame (&optional to subject)
4791 "Like `message-mail' command, but display mail buffer in another frame."
4793 (unless (message-mail-user-agent)
4794 (let ((pop-up-frames t)
4795 (special-display-buffer-names nil)
4796 (special-display-regexps nil)
4797 (same-window-buffer-names nil)
4798 (same-window-regexps nil))
4799 (message-pop-to-buffer (message-buffer-name "mail" to))))
4800 (let ((message-this-is-mail t))
4801 (message-setup `((To . ,(or to "")) (Subject . ,(or subject "")))
4802 nil nil 'switch-to-buffer-other-frame)))
4805 (defun message-news-other-window (&optional newsgroups subject)
4806 "Start editing a news article to be sent."
4808 (let ((pop-up-windows t)
4809 (special-display-buffer-names nil)
4810 (special-display-regexps nil)
4811 (same-window-buffer-names nil)
4812 (same-window-regexps nil))
4813 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)))
4814 (let ((message-this-is-news t))
4815 (message-setup `((Newsgroups . ,(or newsgroups ""))
4816 (Subject . ,(or subject ""))))))
4819 (defun message-news-other-frame (&optional newsgroups subject)
4820 "Start editing a news article to be sent."
4822 (let ((pop-up-frames t)
4823 (special-display-buffer-names nil)
4824 (special-display-regexps nil)
4825 (same-window-buffer-names nil)
4826 (same-window-regexps nil))
4827 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)))
4828 (let ((message-this-is-news t))
4829 (message-setup `((Newsgroups . ,(or newsgroups ""))
4830 (Subject . ,(or subject ""))))))
4834 ;; This code should be moved to underline.el (from which it is stolen).
4837 (defun bold-region (start end)
4838 "Bold all nonblank characters in the region.
4839 Works by overstriking characters.
4840 Called from program, takes two arguments START and END
4841 which specify the range to operate on."
4844 (let ((end1 (make-marker)))
4845 (move-marker end1 (max start end))
4846 (goto-char (min start end))
4847 (while (< (point) end1)
4848 (or (looking-at "[_\^@- ]")
4849 (insert (char-after) "\b"))
4850 (forward-char 1)))))
4853 (defun unbold-region (start end)
4854 "Remove all boldness (overstruck characters) in the region.
4855 Called from program, takes two arguments START and END
4856 which specify the range to operate on."
4859 (let ((end1 (make-marker)))
4860 (move-marker end1 (max start end))
4861 (goto-char (min start end))
4862 (while (re-search-forward "\b" end1 t)
4863 (if (eq (char-after) (char-after (- (point) 2)))
4864 (delete-char -2))))))
4866 (defalias 'message-exchange-point-and-mark 'exchange-point-and-mark)
4868 ;; Support for toolbar
4870 (defvar tool-bar-map)
4871 (defvar tool-bar-mode))
4873 (defun message-tool-bar-map ()
4874 (or message-tool-bar-map
4875 (setq message-tool-bar-map
4876 (and (fboundp 'tool-bar-add-item-from-menu)
4878 (let ((tool-bar-map (copy-keymap tool-bar-map))
4879 (load-path (mm-image-load-path)))
4880 ;; Zap some items which aren't so relevant and take
4882 (dolist (key '(print-buffer kill-buffer save-buffer
4883 write-file dired open-file))
4884 (define-key tool-bar-map (vector key) nil))
4885 (tool-bar-add-item-from-menu
4886 'message-send-and-exit "mail_send" message-mode-map)
4887 (tool-bar-add-item-from-menu
4888 'message-kill-buffer "close" message-mode-map)
4889 (tool-bar-add-item-from-menu
4890 'message-dont-send "cancel" message-mode-map)
4891 (tool-bar-add-item-from-menu
4892 'mml-attach-file "attach" message-mode-map)
4893 (tool-bar-add-item-from-menu
4894 'ispell-message "spell" message-mode-map)
4897 ;;; Group name completion.
4899 (defvar message-newgroups-header-regexp
4900 "^\\(Newsgroups\\|Followup-To\\|Posted-To\\|Gcc\\):"
4901 "Regexp that match headers that lists groups.")
4903 (defvar message-completion-alist
4904 (list (cons message-newgroups-header-regexp 'message-expand-group)
4905 '("^\\(Resent-\\)?\\(To\\|B?Cc\\):" . message-expand-name))
4906 "Alist of (RE . FUN). Use FUN for completion on header lines matching RE.")
4908 (defvar message-tab-body-function 'indent-relative
4909 "*Function to execute when `message-tab' (TAB) is executed in the body.")
4911 (defun message-tab ()
4912 "Complete names according to `message-completion-alist'.
4913 Do an `indent-relative' if not in those headers."
4915 (let ((alist message-completion-alist))
4917 (let ((mail-abbrev-mode-regexp (caar alist)))
4918 (not (mail-abbrev-in-expansion-header-p))))
4919 (setq alist (cdr alist)))
4920 (funcall (or (cdar alist) message-tab-body-function))))
4922 (defun message-expand-group ()
4923 "Expand the group name under point."
4924 (let* ((b (save-excursion
4929 (skip-chars-forward "^:")
4932 (skip-chars-backward "^, \t\n") (point))))
4933 (completion-ignore-case t)
4934 (string (buffer-substring b (progn (skip-chars-forward "^,\t\n ")
4936 (hashtb (and (boundp 'gnus-active-hashtb) gnus-active-hashtb))
4937 (completions (all-completions string hashtb))
4939 (delete-region b (point))
4941 ((= (length completions) 1)
4942 (if (string= (car completions) string)
4945 (message "Only matching group"))
4946 (insert (car completions))))
4947 ((and (setq comp (try-completion string hashtb))
4948 (not (string= comp string)))
4953 (message "No matching groups")
4954 (save-selected-window
4955 (pop-to-buffer "*Completions*")
4956 (buffer-disable-undo)
4957 (let ((buffer-read-only nil))
4959 (let ((standard-output (current-buffer)))
4960 (display-completion-list (sort completions 'string<)))
4961 (goto-char (point-min))
4962 (delete-region (point) (progn (forward-line 3) (point))))))))))
4964 (defun message-expand-name ()
4965 (if (fboundp 'bbdb-complete-name)
4966 (bbdb-complete-name)
4971 (defun message-talkative-question (ask question show &rest text)
4972 "Call FUNCTION with argument QUESTION; optionally display TEXT... args.
4973 If SHOW is non-nil, the arguments TEXT... are displayed in a temp buffer.
4974 The following arguments may contain lists of values."
4976 (setq text (message-flatten-list text)))
4977 (save-window-excursion
4979 (with-output-to-temp-buffer " *MESSAGE information message*"
4980 (set-buffer " *MESSAGE information message*")
4981 (fundamental-mode) ; for Emacs 20.4+
4982 (mapcar 'princ text)
4983 (goto-char (point-min))))
4984 (funcall ask question))
4985 (funcall ask question)))
4987 (defun message-flatten-list (list)
4988 "Return a new, flat list that contains all elements of LIST.
4990 \(message-flatten-list '(1 (2 3 (4 5 (6))) 7))
4993 (apply 'append (mapcar 'message-flatten-list list)))
4997 (defun message-generate-new-buffer-clone-locals (name &optional varstr)
4998 "Create and return a buffer with name based on NAME using `generate-new-buffer.'
4999 Then clone the local variables and values from the old buffer to the
5000 new one, cloning only the locals having a substring matching the
5002 (let ((oldbuf (current-buffer)))
5004 (set-buffer (generate-new-buffer name))
5005 (message-clone-locals oldbuf varstr)
5008 (defun message-clone-locals (buffer &optional varstr)
5009 "Clone the local variables from BUFFER to the current buffer."
5010 (let ((locals (save-excursion
5012 (buffer-local-variables)))
5013 (regexp "^gnus\\|^nn\\|^message\\|^user-mail-address"))
5016 (when (and (consp local)
5018 (string-match regexp (symbol-name (car local)))
5020 (string-match varstr (symbol-name (car local)))))
5022 (set (make-local-variable (car local))
5026 ;;; Miscellaneous functions
5028 (defsubst message-replace-chars-in-string (string from to)
5029 (mm-subst-char-in-string from to string))
5035 (defvar message-inhibit-body-encoding nil)
5037 (defun message-encode-message-body ()
5038 (unless message-inhibit-body-encoding
5039 (let ((mail-parse-charset (or mail-parse-charset
5040 message-default-charset))
5041 (case-fold-search t)
5042 lines content-type-p)
5045 (narrow-to-region (point) (point-max))
5046 (let ((new (mml-generate-mime)))
5048 (delete-region (point-min) (point-max))
5050 (goto-char (point-min))
5051 (if (eq (aref new 0) ?\n)
5053 (search-forward "\n\n")
5054 (setq lines (buffer-substring (point-min) (1- (point))))
5055 (delete-region (point-min) (point))))))
5057 (message-narrow-to-headers-or-head)
5058 (message-remove-header "Mime-Version")
5059 (goto-char (point-max))
5060 (insert "MIME-Version: 1.0\n")
5063 (setq content-type-p
5065 (re-search-backward "^Content-Type:" nil t))))
5067 (message-narrow-to-headers-or-head)
5068 (message-remove-first-header "Content-Type")
5069 (message-remove-first-header "Content-Transfer-Encoding"))
5070 ;; We always make sure that the message has a Content-Type header.
5071 ;; This is because some broken MTAs and MUAs get awfully confused
5072 ;; when confronted with a message with a MIME-Version header and
5073 ;; without a Content-Type header. For instance, Solaris'
5075 (unless content-type-p
5076 (goto-char (point-min))
5077 (re-search-forward "^MIME-Version:")
5079 (insert "Content-Type: text/plain; charset=us-ascii\n")))))
5081 (defun message-read-from-minibuffer (prompt)
5082 "Read from the minibuffer while providing abbrev expansion."
5083 (if (fboundp 'mail-abbrevs-setup)
5084 (let ((mail-abbrev-mode-regexp "")
5085 (minibuffer-setup-hook 'mail-abbrevs-setup)
5086 (minibuffer-local-map message-minibuffer-local-map))
5087 (read-from-minibuffer prompt))
5088 (let ((minibuffer-setup-hook 'mail-abbrev-minibuffer-setup-hook)
5089 (minibuffer-local-map message-minibuffer-local-map))
5090 (read-string prompt))))
5092 (defun message-use-alternative-email-as-from ()
5093 (require 'mail-utils)
5094 (let* ((fields '("To" "Cc"))
5097 (mail-strip-quoted-names
5098 (mapconcat 'message-fetch-reply-field fields ","))
5102 (if (string-match message-alternative-emails (car emails))
5103 (setq email (car emails)
5106 (unless (or (not email) (equal email user-mail-address))
5107 (goto-char (point-max))
5108 (insert "From: " email "\n"))))
5110 (defun message-options-get (symbol)
5111 (cdr (assq symbol message-options)))
5113 (defun message-options-set (symbol value)
5114 (let ((the-cons (assq symbol message-options)))
5117 (setcdr the-cons value)
5118 (setq message-options (delq the-cons message-options)))
5120 (push (cons symbol value) message-options))))
5123 (defun message-options-set-recipient ()
5125 (message-narrow-to-headers-or-head)
5126 (message-options-set 'message-sender
5127 (mail-strip-quoted-names
5128 (message-fetch-field "from")))
5129 (message-options-set 'message-recipients
5130 (mail-strip-quoted-names
5131 (let ((to (message-fetch-field "to"))
5132 (cc (message-fetch-field "cc"))
5133 (bcc (message-fetch-field "bcc")))
5136 (if (and to cc) ", ")
5138 (if (and (or to cc) bcc) ", ")
5141 (when (featurep 'xemacs)
5142 (require 'messagexmas)
5143 (message-xmas-redefine))
5147 (run-hooks 'message-load-hook)
5150 ;; coding: iso-8859-1
5153 ;;; message.el ends here