1 ;;; message.el --- composing mail and news messages
2 ;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; Keywords: mail, news
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
26 ;; This mode provides mail-sending facilities from within Emacs. It
27 ;; consists mainly of large chunks of code from the sendmail.el,
28 ;; gnus-msg.el and rnewspost.el files.
32 (eval-when-compile (require 'cl))
38 (if (string-match "XEmacs\\|Lucid" emacs-version)
39 (require 'mail-abbrevs)
40 (require 'mailabbrev))
46 (defgroup message '((user-mail-address custom-variable)
47 (user-full-name custom-variable))
48 "Mail and news message composing."
49 :link '(custom-manual "(message)Top")
53 (put 'user-mail-address 'custom-type 'string)
54 (put 'user-full-name 'custom-type 'string)
56 (defgroup message-various nil
57 "Various Message Variables"
58 :link '(custom-manual "(message)Various Message Variables")
61 (defgroup message-buffers nil
63 :link '(custom-manual "(message)Message Buffers")
66 (defgroup message-sending nil
68 :link '(custom-manual "(message)Sending Variables")
71 (defgroup message-interface nil
73 :link '(custom-manual "(message)Interface")
76 (defgroup message-forwarding nil
78 :link '(custom-manual "(message)Forwarding")
79 :group 'message-interface)
81 (defgroup message-insertion nil
83 :link '(custom-manual "(message)Insertion")
86 (defgroup message-headers nil
88 :link '(custom-manual "(message)Message Headers")
91 (defgroup message-news nil
92 "Composing News Messages"
95 (defgroup message-mail nil
96 "Composing Mail Messages"
99 (defgroup message-faces nil
100 "Faces used for message composing."
104 (defcustom message-directory "~/Mail/"
105 "*Directory from which all other mail file variables are derived."
106 :group 'message-various
109 (defcustom message-max-buffers 10
110 "*How many buffers to keep before starting to kill them off."
111 :group 'message-buffers
114 (defcustom message-send-rename-function nil
115 "Function called to rename the buffer after sending it."
116 :group 'message-buffers
119 (defcustom message-fcc-handler-function 'message-output
120 "*A function called to save outgoing articles.
121 This function will be called with the name of the file to store the
122 article in. The default function is `message-output' which saves in Unix
124 :type '(radio (function-item message-output)
125 (function :tag "Other"))
126 :group 'message-sending)
128 (defcustom message-courtesy-message
129 "The following message is a courtesy copy of an article\nthat has been posted to %s as well.\n\n"
130 "*This is inserted at the start of a mailed copy of a posted message.
131 If the string contains the format spec \"%s\", the Newsgroups
132 the article has been posted to will be inserted there.
133 If this variable is nil, no such courtesy message will be added."
134 :group 'message-sending
137 (defcustom message-ignored-bounced-headers "^\\(Received\\|Return-Path\\):"
138 "*Regexp that matches headers to be removed in resent bounced mail."
139 :group 'message-interface
143 (defcustom message-from-style 'default
144 "*Specifies how \"From\" headers look.
146 If `nil', they contain just the return address like:
148 If `parens', they look like:
149 king@grassland.com (Elvis Parsley)
150 If `angles', they look like:
151 Elvis Parsley <king@grassland.com>
153 Otherwise, most addresses look like `angles', but they look like
154 `parens' if `angles' would need quoting and `parens' would not."
155 :type '(choice (const :tag "simple" nil)
159 :group 'message-headers)
161 (defcustom message-syntax-checks nil
162 ;; Guess this one shouldn't be easy to customize...
163 "*Controls what syntax checks should not be performed on outgoing posts.
164 To disable checking of long signatures, for instance, add
165 `(signature . disabled)' to this list.
167 Don't touch this variable unless you really know what you're doing.
169 Checks include subject-cmsg multiple-headers sendsys message-id from
170 long-lines control-chars size new-text redirected-followup signature
171 approved sender empty empty-headers message-id from subject
172 shorten-followup-to existing-newsgroups buffer-file-name unchanged
174 :group 'message-news)
176 (defcustom message-required-news-headers
177 '(From Newsgroups Subject Date Message-ID
178 (optional . Organization) Lines
179 (optional . User-Agent))
180 "*Headers to be generated or prompted for when posting an article.
181 RFC977 and RFC1036 require From, Date, Newsgroups, Subject,
182 Message-ID. Organization, Lines, In-Reply-To, Expires, and
183 User-Agent are optional. If don't you want message to insert some
184 header, remove it from this list."
186 :group 'message-headers
187 :type '(repeat sexp))
189 (defcustom message-required-mail-headers
190 '(From Subject Date (optional . In-Reply-To) Message-ID Lines
191 (optional . User-Agent))
192 "*Headers to be generated or prompted for when mailing a message.
193 RFC822 required that From, Date, To, Subject and Message-ID be
194 included. Organization, Lines and User-Agent are optional."
196 :group 'message-headers
197 :type '(repeat sexp))
199 (defcustom message-deletable-headers '(Message-ID Date Lines)
200 "Headers to be deleted if they already exist and were generated by message previously."
201 :group 'message-headers
204 (defcustom message-ignored-news-headers
205 "^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:"
206 "*Regexp of headers to be removed unconditionally before posting."
208 :group 'message-headers
211 (defcustom message-ignored-mail-headers "^[GF]cc:\\|^Resent-Fcc:\\|^Xref:"
212 "*Regexp of headers to be removed unconditionally before mailing."
214 :group 'message-headers
217 (defcustom message-ignored-supersedes-headers "^Path:\\|^Date\\|^NNTP-Posting-Host:\\|^Xref:\\|^Lines:\\|^Received:\\|^X-From-Line:\\|^X-Trace:\\|^X-Complaints-To:\\|Return-Path:\\|^Supersedes:\\|^NNTP-Posting-Date:\\|^X-Trace:\\|^X-Complaints-To:"
218 "*Header lines matching this regexp will be deleted before posting.
219 It's best to delete old Path and Date headers before posting to avoid
221 :group 'message-interface
224 (defcustom message-subject-re-regexp "^[ \t]*\\([Rr][Ee]:[ \t]*\\)*[ \t]*"
225 "*Regexp matching \"Re: \" in the subject line."
226 :group 'message-various
230 (defcustom message-signature-separator "^-- *$"
231 "Regexp matching the signature separator."
233 :group 'message-various)
235 (defcustom message-elide-ellipsis "\n[...]\n\n"
236 "*The string which is inserted for elided text."
238 :group 'message-various)
240 (defcustom message-interactive nil
241 "Non-nil means when sending a message wait for and display errors.
242 nil means let mailer mail back a message to report errors."
243 :group 'message-sending
247 (defcustom message-generate-new-buffers 'unique
248 "*Non-nil means that a new message buffer will be created whenever `message-setup' is called.
249 If this is a function, call that function with three parameters: The type,
250 the to address and the group name. (Any of these may be nil.) The function
251 should return the new buffer name."
252 :group 'message-buffers
253 :type '(choice (const :tag "off" nil)
254 (const :tag "unique" unique)
255 (const :tag "unsent" unsent)
258 (defcustom message-kill-buffer-on-exit nil
259 "*Non-nil means that the message buffer will be killed after sending a message."
260 :group 'message-buffers
263 (defvar gnus-local-organization)
264 (defcustom message-user-organization
265 (or (and (boundp 'gnus-local-organization)
266 (stringp gnus-local-organization)
267 gnus-local-organization)
268 (getenv "ORGANIZATION")
270 "*String to be used as an Organization header.
271 If t, use `message-user-organization-file'."
272 :group 'message-headers
273 :type '(choice string
274 (const :tag "consult file" t)))
277 (defcustom message-user-organization-file "/usr/lib/news/organization"
278 "*Local news organization file."
280 :group 'message-headers)
282 (defcustom message-make-forward-subject-function
283 'message-forward-subject-author-subject
284 "*A list of functions that are called to generate a subject header for forwarded messages.
285 The subject generated by the previous function is passed into each
288 The provided functions are:
290 * message-forward-subject-author-subject (Source of article (author or
291 newsgroup)), in brackets followed by the subject
292 * message-forward-subject-fwd (Subject of article with 'Fwd:' prepended
294 :group 'message-forwarding
295 :type '(radio (function-item message-forward-subject-author-subject)
296 (function-item message-forward-subject-fwd)))
298 (defcustom message-forward-as-mime t
299 "*If non-nil, forward messages as an inline/rfc822 MIME section. Otherwise, directly inline the old message in the forwarded message."
300 :group 'message-forwarding
303 (defcustom message-wash-forwarded-subjects nil
304 "*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."
305 :group 'message-forwarding
308 (defcustom message-ignored-resent-headers "^Return-receipt\\|^X-Gnus\\|^Gnus-Warning:"
309 "*All headers that match this regexp will be deleted when resending a message."
310 :group 'message-interface
313 (defcustom message-forward-ignored-headers nil
314 "*All headers that match this regexp will be deleted when forwarding a message."
315 :group 'message-forwarding
316 :type '(choice (const :tag "None" nil)
319 (defcustom message-ignored-cited-headers "."
320 "*Delete these headers from the messages you yank."
321 :group 'message-insertion
324 (defcustom message-cancel-message "I am canceling my own article."
325 "Message to be inserted in the cancel message."
326 :group 'message-interface
329 ;; Useful to set in site-init.el
331 (defcustom message-send-mail-function 'message-send-mail-with-sendmail
332 "Function to call to send the current buffer as mail.
333 The headers should be delimited by a line whose contents match the
334 variable `mail-header-separator'.
336 Valid values include `message-send-mail-with-sendmail' (the default),
337 `message-send-mail-with-mh', `message-send-mail-with-qmail' and
339 :type '(radio (function-item message-send-mail-with-sendmail)
340 (function-item message-send-mail-with-mh)
341 (function-item message-send-mail-with-qmail)
342 (function-item smtpmail-send-it)
343 (function :tag "Other"))
344 :group 'message-sending
345 :group 'message-mail)
347 (defcustom message-send-news-function 'message-send-news
348 "Function to call to send the current buffer as news.
349 The headers should be delimited by a line whose contents match the
350 variable `mail-header-separator'."
351 :group 'message-sending
355 (defcustom message-reply-to-function nil
356 "Function that should return a list of headers.
357 This function should pick out addresses from the To, Cc, and From headers
358 and respond with new To and Cc headers."
359 :group 'message-interface
362 (defcustom message-wide-reply-to-function nil
363 "Function that should return a list of headers.
364 This function should pick out addresses from the To, Cc, and From headers
365 and respond with new To and Cc headers."
366 :group 'message-interface
369 (defcustom message-followup-to-function nil
370 "Function that should return a list of headers.
371 This function should pick out addresses from the To, Cc, and From headers
372 and respond with new To and Cc headers."
373 :group 'message-interface
376 (defcustom message-use-followup-to 'ask
377 "*Specifies what to do with Followup-To header.
378 If nil, always ignore the header. If it is t, use its value, but
379 query before using the \"poster\" value. If it is the symbol `ask',
380 always query the user whether to use the value. If it is the symbol
381 `use', always use the value."
382 :group 'message-interface
383 :type '(choice (const :tag "ignore" nil)
387 (defcustom message-sendmail-f-is-evil nil
388 "*Non-nil means that \"-f username\" should not be added to the sendmail command line.
389 Doing so would be even more evil than leaving it out."
390 :group 'message-sending
393 ;; qmail-related stuff
394 (defcustom message-qmail-inject-program "/var/qmail/bin/qmail-inject"
395 "Location of the qmail-inject program."
396 :group 'message-sending
399 (defcustom message-qmail-inject-args nil
400 "Arguments passed to qmail-inject programs.
401 This should be a list of strings, one string for each argument.
403 For e.g., if you wish to set the envelope sender address so that bounces
404 go to the right place or to deal with listserv's usage of that address, you
405 might set this variable to '(\"-f\" \"you@some.where\")."
406 :group 'message-sending
407 :type '(repeat string))
409 (defvar message-cater-to-broken-inn t
410 "Non-nil means Gnus should not fold the `References' header.
411 Folding `References' makes ancient versions of INN create incorrect
414 (defvar gnus-post-method)
415 (defvar gnus-select-method)
416 (defcustom message-post-method
417 (cond ((and (boundp 'gnus-post-method)
418 (listp gnus-post-method)
421 ((boundp 'gnus-select-method)
424 "*Method used to post news.
425 Note that when posting from inside Gnus, for instance, this
426 variable isn't used."
428 :group 'message-sending
429 ;; This should be the `gnus-select-method' widget, but that might
430 ;; create a dependence to `gnus.el'.
433 (defcustom message-generate-headers-first nil
434 "*If non-nil, generate all possible headers before composing."
435 :group 'message-headers
438 (defcustom message-setup-hook nil
439 "Normal hook, run each time a new outgoing message is initialized.
440 The function `message-setup' runs this hook."
441 :group 'message-various
444 (defcustom message-cancel-hook nil
445 "Hook run when cancelling articles."
446 :group 'message-various
449 (defcustom message-signature-setup-hook nil
450 "Normal hook, run each time a new outgoing message is initialized.
451 It is run after the headers have been inserted and before
452 the signature is inserted."
453 :group 'message-various
456 (defcustom message-mode-hook nil
457 "Hook run in message mode buffers."
458 :group 'message-various
461 (defcustom message-header-hook nil
462 "Hook run in a message mode buffer narrowed to the headers."
463 :group 'message-various
466 (defcustom message-header-setup-hook nil
467 "Hook called narrowed to the headers when setting up a message buffer."
468 :group 'message-various
472 (defcustom message-citation-line-function 'message-insert-citation-line
473 "*Function called to insert the \"Whomever writes:\" line."
475 :group 'message-insertion)
478 (defcustom message-yank-prefix "> "
479 "*Prefix inserted on the lines of yanked messages."
481 :group 'message-insertion)
483 (defcustom message-indentation-spaces 3
484 "*Number of spaces to insert at the beginning of each cited line.
485 Used by `message-yank-original' via `message-yank-cite'."
486 :group 'message-insertion
490 (defcustom message-cite-function 'message-cite-original
491 "*Function for citing an original message.
492 Predefined functions include `message-cite-original' and
493 `message-cite-original-without-signature'.
494 Note that `message-cite-original' uses `mail-citation-hook' if that is non-nil."
495 :type '(radio (function-item message-cite-original)
496 (function-item message-cite-original-without-signature)
497 (function-item sc-cite-original)
498 (function :tag "Other"))
499 :group 'message-insertion)
502 (defcustom message-indent-citation-function 'message-indent-citation
503 "*Function for modifying a citation just inserted in the mail buffer.
504 This can also be a list of functions. Each function can find the
505 citation between (point) and (mark t). And each function should leave
506 point and mark around the citation text as modified."
508 :group 'message-insertion)
510 (defvar message-abbrevs-loaded nil)
513 (defcustom message-signature t
514 "*String to be inserted at the end of the message buffer.
515 If t, the `message-signature-file' file will be inserted instead.
516 If a function, the result from the function will be used instead.
517 If a form, the result from the form will be used instead."
519 :group 'message-insertion)
522 (defcustom message-signature-file "~/.signature"
523 "*File containing the text inserted at end of message buffer."
525 :group 'message-insertion)
527 (defcustom message-distribution-function nil
528 "*Function called to return a Distribution header."
530 :group 'message-headers
533 (defcustom message-expires 14
534 "Number of days before your article expires."
536 :group 'message-headers
537 :link '(custom-manual "(message)News Headers")
540 (defcustom message-user-path nil
541 "If nil, use the NNTP server name in the Path header.
542 If stringp, use this; if non-nil, use no host name (user name only)."
544 :group 'message-headers
545 :link '(custom-manual "(message)News Headers")
546 :type '(choice (const :tag "nntp" nil)
548 (sexp :tag "none" :format "%t" t)))
550 (defvar message-reply-buffer nil)
551 (defvar message-reply-headers nil)
552 (defvar message-newsreader nil)
553 (defvar message-mailer nil)
554 (defvar message-sent-message-via nil)
555 (defvar message-checksum nil)
556 (defvar message-send-actions nil
557 "A list of actions to be performed upon successful sending of a message.")
558 (defvar message-exit-actions nil
559 "A list of actions to be performed upon exiting after sending a message.")
560 (defvar message-kill-actions nil
561 "A list of actions to be performed before killing a message buffer.")
562 (defvar message-postpone-actions nil
563 "A list of actions to be performed after postponing a message.")
565 (define-widget 'message-header-lines 'text
566 "All header lines must be LFD terminated."
569 :error "All header lines must be newline terminated")
571 (defcustom message-default-headers ""
572 "*A string containing header lines to be inserted in outgoing messages.
573 It is inserted before you edit the message, so you can edit or delete
575 :group 'message-headers
576 :type 'message-header-lines)
578 (defcustom message-default-mail-headers ""
579 "*A string of header lines to be inserted in outgoing mails."
580 :group 'message-headers
582 :type 'message-header-lines)
584 (defcustom message-default-news-headers ""
585 "*A string of header lines to be inserted in outgoing news articles."
586 :group 'message-headers
588 :type 'message-header-lines)
590 ;; Note: could use /usr/ucb/mail instead of sendmail;
591 ;; options -t, and -v if not interactive.
592 (defcustom message-mailer-swallows-blank-line
593 (if (and (string-match "sparc-sun-sunos\\(\\'\\|[^5]\\)"
594 system-configuration)
595 (file-readable-p "/etc/sendmail.cf")
596 (let ((buffer (get-buffer-create " *temp*")))
600 (insert-file-contents "/etc/sendmail.cf")
601 (goto-char (point-min))
602 (let ((case-fold-search nil))
603 (re-search-forward "^OR\\>" nil t)))
604 (kill-buffer buffer))))
605 ;; According to RFC822, "The field-name must be composed of printable
606 ;; ASCII characters (i. e., characters that have decimal values between
607 ;; 33 and 126, except colon)", i. e., any chars except ctl chars,
609 '(looking-at "[ \t]\\|[][!\"#$%&'()*+,-./0-9;<=>?@A-Z\\\\^_`a-z{|}~]+:"))
610 "*Set this non-nil if the system's mailer runs the header and body together.
611 \(This problem exists on Sunos 4 when sendmail is run in remote mode.)
612 The value should be an expression to test whether the problem will
614 :group 'message-sending
617 ;; Ignore errors in case this is used in Emacs 19.
618 ;; Don't use ignore-errors because this is copied into loaddefs.el.
621 (define-mail-user-agent 'message-user-agent
622 'message-mail 'message-send-and-exit
623 'message-kill-buffer 'message-send-hook))
625 (defvar message-mh-deletable-headers '(Message-ID Date Lines Sender)
626 "If non-nil, delete the deletable headers before feeding to mh.")
628 (defvar message-send-method-alist
629 '((news message-news-p message-send-via-news)
630 (mail message-mail-p message-send-via-mail))
631 "Alist of ways to send outgoing messages.
632 Each element has the form
634 \(TYPE PREDICATE FUNCTION)
636 where TYPE is a symbol that names the method; PREDICATE is a function
637 called without any parameters to determine whether the message is
638 a message of type TYPE; and FUNCTION is a function to be called if
639 PREDICATE returns non-nil. FUNCTION is called with one parameter --
642 (defvar message-mail-alias-type 'abbrev
643 "*What alias expansion type to use in Message buffers.
644 The default is `abbrev', which uses mailabbrev. nil switches
647 (defcustom message-auto-save-directory
648 (nnheader-concat message-directory "drafts/")
649 "*Directory where Message auto-saves buffers if Gnus isn't running.
650 If nil, Message won't auto-save."
651 :group 'message-buffers
654 (defcustom message-buffer-naming-style 'unique
655 "*The way new message buffers are named.
656 Valid valued are `unique' and `unsent'."
657 :group 'message-buffers
658 :type '(choice (const :tag "unique" unique)
659 (const :tag "unsent" unsent)))
661 (defcustom message-default-charset nil
662 "Default charset used in non-MULE XEmacsen."
666 (defcustom message-dont-reply-to-names rmail-dont-reply-to-names
667 "*A regexp specifying names to prune when doing wide replies.
668 A value of nil means exclude your own name only."
670 :type '(choice (const :tag "Yourself" nil)
673 ;;; Internal variables.
674 ;;; Well, not really internal.
676 (defvar message-mode-syntax-table
677 (let ((table (copy-syntax-table text-mode-syntax-table)))
678 (modify-syntax-entry ?% ". " table)
679 (modify-syntax-entry ?> ". " table)
680 (modify-syntax-entry ?< ". " table)
682 "Syntax table used while in Message mode.")
684 (defvar message-mode-abbrev-table text-mode-abbrev-table
685 "Abbrev table used in Message mode buffers.
686 Defaults to `text-mode-abbrev-table'.")
687 (defgroup message-headers nil
689 :link '(custom-manual "(message)Variables")
692 (defface message-header-to-face
695 (:foreground "green2" :bold t))
698 (:foreground "MidnightBlue" :bold t))
700 (:bold t :italic t)))
701 "Face used for displaying From headers."
702 :group 'message-faces)
704 (defface message-header-cc-face
707 (:foreground "green4" :bold t))
710 (:foreground "MidnightBlue"))
713 "Face used for displaying Cc headers."
714 :group 'message-faces)
716 (defface message-header-subject-face
719 (:foreground "green3"))
722 (:foreground "navy blue" :bold t))
725 "Face used for displaying subject headers."
726 :group 'message-faces)
728 (defface message-header-newsgroups-face
731 (:foreground "yellow" :bold t :italic t))
734 (:foreground "blue4" :bold t :italic t))
736 (:bold t :italic t)))
737 "Face used for displaying newsgroups headers."
738 :group 'message-faces)
740 (defface message-header-other-face
743 (:foreground "#b00000"))
746 (:foreground "steel blue"))
748 (:bold t :italic t)))
749 "Face used for displaying newsgroups headers."
750 :group 'message-faces)
752 (defface message-header-name-face
755 (:foreground "DarkGreen"))
758 (:foreground "cornflower blue"))
761 "Face used for displaying header names."
762 :group 'message-faces)
764 (defface message-header-xheader-face
767 (:foreground "blue"))
770 (:foreground "blue"))
773 "Face used for displaying X-Header headers."
774 :group 'message-faces)
776 (defface message-separator-face
779 (:foreground "blue3"))
782 (:foreground "brown"))
785 "Face used for displaying the separator."
786 :group 'message-faces)
788 (defface message-cited-text-face
797 "Face used for displaying cited text names."
798 :group 'message-faces)
800 (defface message-mml-face
803 (:foreground "ForestGreen"))
806 (:foreground "ForestGreen"))
809 "Face used for displaying MML."
810 :group 'message-faces)
812 (defvar message-font-lock-keywords
813 (let* ((cite-prefix "A-Za-z")
814 (cite-suffix (concat cite-prefix "0-9_.@-"))
815 (content "[ \t]*\\(.+\\(\n[ \t].*\\)*\\)"))
816 `((,(concat "^\\([Tt]o:\\)" content)
817 (1 'message-header-name-face)
818 (2 'message-header-to-face nil t))
819 (,(concat "^\\(^[GBF]?[Cc][Cc]:\\|^[Rr]eply-[Tt]o:\\)" content)
820 (1 'message-header-name-face)
821 (2 'message-header-cc-face nil t))
822 (,(concat "^\\([Ss]ubject:\\)" content)
823 (1 'message-header-name-face)
824 (2 'message-header-subject-face nil t))
825 (,(concat "^\\([Nn]ewsgroups:\\|Followup-[Tt]o:\\)" content)
826 (1 'message-header-name-face)
827 (2 'message-header-newsgroups-face nil t))
828 (,(concat "^\\([A-Z][^: \n\t]+:\\)" content)
829 (1 'message-header-name-face)
830 (2 'message-header-other-face nil t))
831 (,(concat "^\\(X-[A-Za-z0-9-]+\\|In-Reply-To\\):" content)
832 (1 'message-header-name-face)
833 (2 'message-header-name-face))
834 ,@(if (and mail-header-separator
835 (not (equal mail-header-separator "")))
836 `((,(concat "^\\(" (regexp-quote mail-header-separator) "\\)$")
837 1 'message-separator-face))
840 "\\([" cite-prefix "]+[" cite-suffix "]*\\)?"
842 (0 'message-cited-text-face))
843 ("<#/?\\(multipart\\|part\\|external\\).*>"
844 (0 'message-mml-face))))
845 "Additional expressions to highlight in Message mode.")
847 ;; XEmacs does it like this. For Emacs, we have to set the
848 ;; `font-lock-defaults' buffer-local variable.
849 (put 'message-mode 'font-lock-defaults '(message-font-lock-keywords t))
851 (defvar message-face-alist
852 '((bold . bold-region)
853 (underline . underline-region)
854 (default . (lambda (b e)
856 (ununderline-region b e))))
857 "Alist of mail and news faces for facemenu.
858 The cdr of ech entry is a function for applying the face to a region.")
860 (defcustom message-send-hook nil
861 "Hook run before sending messages."
862 :group 'message-various
863 :options '(ispell-message)
866 (defcustom message-send-mail-hook nil
867 "Hook run before sending mail messages."
868 :group 'message-various
871 (defcustom message-send-news-hook nil
872 "Hook run before sending news messages."
873 :group 'message-various
876 (defcustom message-sent-hook nil
877 "Hook run after sending messages."
878 :group 'message-various
881 (defvar message-send-coding-system 'binary
882 "Coding system to encode outgoing mail.")
884 (defvar message-draft-coding-system
885 mm-auto-save-coding-system
886 "Coding system to compose mail.")
888 ;;; Internal variables.
890 (defvar message-buffer-list nil)
891 (defvar message-this-is-news nil)
892 (defvar message-this-is-mail nil)
893 (defvar message-draft-article nil)
894 (defvar message-mime-part nil)
895 (defvar message-posting-charset nil)
897 ;; Byte-compiler warning
898 (defvar gnus-active-hashtb)
899 (defvar gnus-read-active-file)
901 ;;; Regexp matching the delimiter of messages in UNIX mail format
902 ;;; (UNIX From lines), minus the initial ^. It should be a copy
903 ;;; of rmail.el's rmail-unix-mail-delimiter.
904 (defvar message-unix-mail-delimiter
905 (let ((time-zone-regexp
906 (concat "\\([A-Z]?[A-Z]?[A-Z][A-Z]\\( DST\\)?"
907 "\\|[-+]?[0-9][0-9][0-9][0-9]"
913 ;; Many things can happen to an RFC 822 mailbox before it is put into
914 ;; a `From' line. The leading phrase can be stripped, e.g.
915 ;; `Joe <@w.x:joe@y.z>' -> `<@w.x:joe@y.z>'. The <> can be stripped, e.g.
916 ;; `<@x.y:joe@y.z>' -> `@x.y:joe@y.z'. Everything starting with a CRLF
917 ;; can be removed, e.g.
918 ;; From: joe@y.z (Joe K
920 ;; can yield `From joe@y.z (Joe K Fri Mar 22 08:11:15 1996', and
923 ;; can yield `From Joe User Fri Mar 22 08:11:15 1996'.
924 ;; The mailbox can be removed or be replaced by white space, e.g.
925 ;; From: "Joe User"{space}{tab}
927 ;; can yield `From {space}{tab} Fri Mar 22 08:11:15 1996',
928 ;; where {space} and {tab} represent the Ascii space and tab characters.
929 ;; We want to match the results of any of these manglings.
930 ;; The following regexp rejects names whose first characters are
931 ;; obviously bogus, but after that anything goes.
932 "\\([^\0-\b\n-\r\^?].*\\)? "
934 ;; The time the message was sent.
935 "\\([^\0-\r \^?]+\\) +" ; day of the week
936 "\\([^\0-\r \^?]+\\) +" ; month
937 "\\([0-3]?[0-9]\\) +" ; day of month
938 "\\([0-2][0-9]:[0-5][0-9]\\(:[0-6][0-9]\\)?\\) *" ; time of day
940 ;; Perhaps a time zone, specified by an abbreviation, or by a
945 " \\([0-9][0-9]+\\) *"
947 ;; On some systems the time zone can appear after the year, too.
951 "\\(remote from .*\\)?"
954 "Regexp matching the delimiter of messages in UNIX mail format.")
956 (defvar message-unsent-separator
957 (concat "^ *---+ +Unsent message follows +---+ *$\\|"
958 "^ *---+ +Returned message +---+ *$\\|"
959 "^Start of returned message$\\|"
960 "^ *---+ +Original message +---+ *$\\|"
961 "^ *--+ +begin message +--+ *$\\|"
962 "^ *---+ +Original message follows +---+ *$\\|"
963 "^ *---+ +Undelivered message follows +---+ *$\\|"
964 "^|? *---+ +Message text follows: +---+ *|?$")
965 "A regexp that matches the separator before the text of a failed message.")
967 (defvar message-header-format-alist
969 (To . message-fill-address)
970 (Cc . message-fill-address)
981 (References . message-shorten-references)
983 "Alist used for formatting headers.")
986 (autoload 'message-setup-toolbar "messagexmas")
987 (autoload 'mh-new-draft-name "mh-comp")
988 (autoload 'mh-send-letter "mh-comp")
989 (autoload 'gnus-point-at-eol "gnus-util")
990 (autoload 'gnus-point-at-bol "gnus-util")
991 (autoload 'gnus-output-to-mail "gnus-util")
992 (autoload 'mail-abbrev-in-expansion-header-p "mailabbrev")
993 (autoload 'nndraft-request-associate-buffer "nndraft")
994 (autoload 'nndraft-request-expire-articles "nndraft")
995 (autoload 'gnus-open-server "gnus-int")
996 (autoload 'gnus-request-post "gnus-int")
997 (autoload 'gnus-alive-p "gnus-util")
998 (autoload 'rmail-output "rmail"))
1003 ;;; Utility functions.
1006 (defmacro message-y-or-n-p (question show &rest text)
1007 "Ask QUESTION, displaying the rest of the arguments in a temp. buffer if SHOW"
1008 `(message-talkative-question 'y-or-n-p ,question ,show ,@text))
1010 ;; Delete the current line (and the next N lines.);
1011 (defmacro message-delete-line (&optional n)
1012 `(delete-region (progn (beginning-of-line) (point))
1013 (progn (forward-line ,(or n 1)) (point))))
1015 (defun message-tokenize-header (header &optional separator)
1016 "Split HEADER into a list of header elements.
1017 \",\" is used as the separator."
1020 (let ((regexp (format "[%s]+" (or separator ",")))
1025 (message-set-work-buffer)
1027 (goto-char (point-min))
1032 (cond ((and (> (point) beg)
1034 (and (looking-at regexp)
1037 (push (buffer-substring beg (point)) elems)
1038 (setq beg (match-end 0)))
1039 ((eq (char-after) ?\")
1040 (setq quoted (not quoted)))
1041 ((and (eq (char-after) ?\()
1044 ((and (eq (char-after) ?\))
1047 (nreverse elems)))))
1049 (defun message-mail-file-mbox-p (file)
1050 "Say whether FILE looks like a Unix mbox file."
1051 (when (and (file-exists-p file)
1052 (file-readable-p file)
1053 (file-regular-p file))
1055 (nnheader-insert-file-contents file)
1056 (goto-char (point-min))
1057 (looking-at message-unix-mail-delimiter))))
1059 (defun message-fetch-field (header &optional not-all)
1060 "The same as `mail-fetch-field', only remove all newlines."
1061 (let* ((inhibit-point-motion-hooks t)
1062 (value (mail-fetch-field header nil (not not-all))))
1064 (while (string-match "\n[\t ]+" value)
1065 (setq value (replace-match " " t t value)))
1066 ;; We remove all text props.
1067 (format "%s" value))))
1069 (defun message-narrow-to-field ()
1070 "Narrow the buffer to the header on the current line."
1076 (if (re-search-forward "^[^ \n\t]" nil t)
1081 (goto-char (point-min)))
1083 (defun message-add-header (&rest headers)
1084 "Add the HEADERS to the message header, skipping those already present."
1087 (unless (string-match "^\\([^:]+\\):[ \t]*[^ \t]" (car headers))
1088 (error "Invalid header `%s'" (car headers)))
1089 (setq hclean (match-string 1 (car headers)))
1091 (message-narrow-to-headers)
1092 (unless (re-search-forward (concat "^" (regexp-quote hclean) ":") nil t)
1093 (insert (car headers) ?\n))))
1094 (setq headers (cdr headers))))
1097 (defun message-fetch-reply-field (header)
1098 "Fetch FIELD from the message we're replying to."
1099 (when (and message-reply-buffer
1100 (buffer-name message-reply-buffer))
1102 (set-buffer message-reply-buffer)
1103 (message-fetch-field header))))
1105 (defun message-set-work-buffer ()
1106 (if (get-buffer " *message work*")
1108 (set-buffer " *message work*")
1110 (set-buffer (get-buffer-create " *message work*"))
1111 (kill-all-local-variables)
1112 (mm-enable-multibyte)))
1114 (defun message-functionp (form)
1115 "Return non-nil if FORM is funcallable."
1116 (or (and (symbolp form) (fboundp form))
1117 (and (listp form) (eq (car form) 'lambda))
1118 (byte-code-function-p form)))
1120 (defun message-strip-subject-re (subject)
1121 "Remove \"Re:\" from subject lines."
1122 (if (string-match message-subject-re-regexp subject)
1123 (substring subject (match-end 0))
1126 (defun message-remove-header (header &optional is-regexp first reverse)
1127 "Remove HEADER in the narrowed buffer.
1128 If REGEXP, HEADER is a regular expression.
1129 If FIRST, only remove the first instance of the header.
1130 Return the number of headers removed."
1131 (goto-char (point-min))
1132 (let ((regexp (if is-regexp header (concat "^" (regexp-quote header) ":")))
1134 (case-fold-search t)
1136 (while (and (not (eobp))
1139 (not (looking-at regexp))
1140 (looking-at regexp))
1147 ;; There might be a continuation header, so we have to search
1148 ;; until we find a new non-continuation line.
1151 (if (re-search-forward "^[^ \t]" nil t)
1152 (goto-char (match-beginning 0))
1155 (if (re-search-forward "^[^ \t]" nil t)
1156 (goto-char (match-beginning 0))
1157 (goto-char (point-max)))))
1160 (defun message-remove-first-header (header)
1161 "Remove the first instance of HEADER if there is more than one."
1163 (regexp (concat "^" (regexp-quote header) ":")))
1165 (goto-char (point-min))
1166 (while (re-search-forward regexp nil t)
1169 (message-remove-header header nil t)
1172 (defun message-narrow-to-headers ()
1173 "Narrow the buffer to the head of the message."
1176 (goto-char (point-min))
1177 (if (re-search-forward
1178 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1181 (goto-char (point-min)))
1183 (defun message-narrow-to-head ()
1184 "Narrow the buffer to the head of the message.
1185 Point is left at the beginning of the narrowed-to region."
1188 (goto-char (point-min))
1189 (if (search-forward "\n\n" nil 1)
1192 (goto-char (point-min)))
1194 (defun message-narrow-to-headers-or-head ()
1195 "Narrow the buffer to the head of the message."
1198 (goto-char (point-min))
1201 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1202 (match-beginning 0))
1203 ((search-forward "\n\n" nil t)
1207 (goto-char (point-min)))
1209 (defun message-news-p ()
1210 "Say whether the current buffer contains a news message."
1211 (and (not message-this-is-mail)
1212 (or message-this-is-news
1215 (message-narrow-to-headers)
1216 (and (message-fetch-field "newsgroups")
1217 (not (message-fetch-field "posted-to"))))))))
1219 (defun message-mail-p ()
1220 "Say whether the current buffer contains a mail message."
1221 (and (not message-this-is-news)
1222 (or message-this-is-mail
1225 (message-narrow-to-headers)
1226 (or (message-fetch-field "to")
1227 (message-fetch-field "cc")
1228 (message-fetch-field "bcc")))))))
1230 (defun message-next-header ()
1231 "Go to the beginning of the next header."
1233 (or (eobp) (forward-char 1))
1234 (not (if (re-search-forward "^[^ \t]" nil t)
1236 (goto-char (point-max)))))
1238 (defun message-sort-headers-1 ()
1239 "Sort the buffer as headers using `message-rank' text props."
1240 (goto-char (point-min))
1243 nil 'message-next-header
1245 (message-next-header)
1249 (or (get-text-property (point) 'message-rank)
1252 (defun message-sort-headers ()
1253 "Sort the headers of the current message according to `message-header-format-alist'."
1257 (let ((max (1+ (length message-header-format-alist)))
1259 (message-narrow-to-headers)
1260 (while (re-search-forward "^[^ \n]+:" nil t)
1262 (match-beginning 0) (1+ (match-beginning 0))
1264 (if (setq rank (length (memq (assq (intern (buffer-substring
1266 (1- (match-end 0))))
1267 message-header-format-alist)
1268 message-header-format-alist)))
1271 (message-sort-headers-1))))
1281 (defvar message-mode-map nil)
1283 (unless message-mode-map
1284 (setq message-mode-map (make-keymap))
1285 (set-keymap-parent message-mode-map text-mode-map)
1286 (define-key message-mode-map "\C-c?" 'describe-mode)
1288 (define-key message-mode-map "\C-c\C-f\C-t" 'message-goto-to)
1289 (define-key message-mode-map "\C-c\C-f\C-b" 'message-goto-bcc)
1290 (define-key message-mode-map "\C-c\C-f\C-w" 'message-goto-fcc)
1291 (define-key message-mode-map "\C-c\C-f\C-c" 'message-goto-cc)
1292 (define-key message-mode-map "\C-c\C-f\C-s" 'message-goto-subject)
1293 (define-key message-mode-map "\C-c\C-f\C-r" 'message-goto-reply-to)
1294 (define-key message-mode-map "\C-c\C-f\C-n" 'message-goto-newsgroups)
1295 (define-key message-mode-map "\C-c\C-f\C-d" 'message-goto-distribution)
1296 (define-key message-mode-map "\C-c\C-f\C-f" 'message-goto-followup-to)
1297 (define-key message-mode-map "\C-c\C-f\C-k" 'message-goto-keywords)
1298 (define-key message-mode-map "\C-c\C-f\C-u" 'message-goto-summary)
1299 (define-key message-mode-map "\C-c\C-b" 'message-goto-body)
1300 (define-key message-mode-map "\C-c\C-i" 'message-goto-signature)
1302 (define-key message-mode-map "\C-c\C-t" 'message-insert-to)
1303 (define-key message-mode-map "\C-c\C-n" 'message-insert-newsgroups)
1305 (define-key message-mode-map "\C-c\C-y" 'message-yank-original)
1306 (define-key message-mode-map "\C-c\M-\C-y" 'message-yank-buffer)
1307 (define-key message-mode-map "\C-c\C-q" 'message-fill-yanked-message)
1308 (define-key message-mode-map "\C-c\C-w" 'message-insert-signature)
1309 (define-key message-mode-map "\C-c\M-h" 'message-insert-headers)
1310 (define-key message-mode-map "\C-c\C-r" 'message-caesar-buffer-body)
1311 (define-key message-mode-map "\C-c\C-o" 'message-sort-headers)
1312 (define-key message-mode-map "\C-c\M-r" 'message-rename-buffer)
1314 (define-key message-mode-map "\C-c\C-c" 'message-send-and-exit)
1315 (define-key message-mode-map "\C-c\C-s" 'message-send)
1316 (define-key message-mode-map "\C-c\C-k" 'message-kill-buffer)
1317 (define-key message-mode-map "\C-c\C-d" 'message-dont-send)
1319 (define-key message-mode-map "\C-c\C-e" 'message-elide-region)
1320 (define-key message-mode-map "\C-c\C-v" 'message-delete-not-region)
1321 (define-key message-mode-map "\C-c\C-z" 'message-kill-to-signature)
1322 (define-key message-mode-map "\M-\r" 'message-newline-and-reformat)
1324 (define-key message-mode-map "\C-c\C-a" 'mml-attach-file)
1326 (define-key message-mode-map "\t" 'message-tab))
1329 message-mode-menu message-mode-map "Message Menu."
1331 ["Sort Headers" message-sort-headers t]
1332 ["Yank Original" message-yank-original t]
1333 ["Fill Yanked Message" message-fill-yanked-message t]
1334 ["Insert Signature" message-insert-signature t]
1335 ["Caesar (rot13) Message" message-caesar-buffer-body t]
1336 ["Caesar (rot13) Region" message-caesar-region (mark t)]
1337 ["Elide Region" message-elide-region (mark t)]
1338 ["Delete Outside Region" message-delete-not-region (mark t)]
1339 ["Kill To Signature" message-kill-to-signature t]
1340 ["Newline and Reformat" message-newline-and-reformat t]
1341 ["Rename buffer" message-rename-buffer t]
1342 ["Spellcheck" ispell-message t]
1343 ["Attach file as MIME" mml-attach-file t]
1345 ["Send Message" message-send-and-exit t]
1346 ["Abort Message" message-dont-send t]
1347 ["Kill Message" message-kill-buffer t]))
1350 message-mode-field-menu message-mode-map ""
1352 ["Fetch To" message-insert-to t]
1353 ["Fetch Newsgroups" message-insert-newsgroups t]
1355 ["To" message-goto-to t]
1356 ["Subject" message-goto-subject t]
1357 ["Cc" message-goto-cc t]
1358 ["Reply-To" message-goto-reply-to t]
1359 ["Summary" message-goto-summary t]
1360 ["Keywords" message-goto-keywords t]
1361 ["Newsgroups" message-goto-newsgroups t]
1362 ["Followup-To" message-goto-followup-to t]
1363 ["Distribution" message-goto-distribution t]
1364 ["Body" message-goto-body t]
1365 ["Signature" message-goto-signature t]))
1367 (defvar facemenu-add-face-function)
1368 (defvar facemenu-remove-face-function)
1371 (defun message-mode ()
1372 "Major mode for editing mail and news to be sent.
1373 Like Text Mode but with these additional commands:
1374 C-c C-s message-send (send the message) C-c C-c message-send-and-exit
1375 C-c C-d Pospone sending the message C-c C-k Kill the message
1376 C-c C-f move to a header field (and create it if there isn't):
1377 C-c C-f C-t move to To C-c C-f C-s move to Subject
1378 C-c C-f C-c move to Cc C-c C-f C-b move to Bcc
1379 C-c C-f C-w move to Fcc C-c C-f C-r move to Reply-To
1380 C-c C-f C-u move to Summary C-c C-f C-n move to Newsgroups
1381 C-c C-f C-k move to Keywords C-c C-f C-d move to Distribution
1382 C-c C-f C-f move to Followup-To
1383 C-c C-t message-insert-to (add a To header to a news followup)
1384 C-c C-n message-insert-newsgroups (add a Newsgroup header to a news reply)
1385 C-c C-b message-goto-body (move to beginning of message text).
1386 C-c C-i message-goto-signature (move to the beginning of the signature).
1387 C-c C-w message-insert-signature (insert `message-signature-file' file).
1388 C-c C-y message-yank-original (insert current message, if any).
1389 C-c C-q message-fill-yanked-message (fill what was yanked).
1390 C-c C-e message-elide-region (elide the text between point and mark).
1391 C-c C-v message-delete-not-region (remove the text outside the region).
1392 C-c C-z message-kill-to-signature (kill the text up to the signature).
1393 C-c C-r message-caesar-buffer-body (rot13 the message body).
1394 C-c C-a mml-attach-file (attach a file as MIME).
1395 M-RET message-newline-and-reformat (break the line and reformat)."
1397 (kill-all-local-variables)
1398 (set (make-local-variable 'message-reply-buffer) nil)
1399 (make-local-variable 'message-send-actions)
1400 (make-local-variable 'message-exit-actions)
1401 (make-local-variable 'message-kill-actions)
1402 (make-local-variable 'message-postpone-actions)
1403 (make-local-variable 'message-draft-article)
1404 (make-local-hook 'kill-buffer-hook)
1405 (set-syntax-table message-mode-syntax-table)
1406 (use-local-map message-mode-map)
1407 (setq local-abbrev-table message-mode-abbrev-table)
1408 (setq major-mode 'message-mode)
1409 (setq mode-name "Message")
1410 (setq buffer-offer-save t)
1411 (make-local-variable 'facemenu-add-face-function)
1412 (make-local-variable 'facemenu-remove-face-function)
1413 (setq facemenu-add-face-function
1415 (let ((face-fun (cdr (assq face message-face-alist))))
1417 (funcall face-fun (point) end)
1418 (error "Face %s not configured for %s mode" face mode-name)))
1420 facemenu-remove-face-function t)
1421 (make-local-variable 'paragraph-separate)
1422 (make-local-variable 'paragraph-start)
1423 ;; `-- ' precedes the signature. `-----' appears at the start of the
1424 ;; lines that delimit forwarded messages.
1425 ;; Lines containing just >= 3 dashes, perhaps after whitespace,
1426 ;; are also sometimes used and should be separators.
1427 (setq paragraph-start
1428 (concat (regexp-quote mail-header-separator)
1429 "$\\|[ \t]*[a-z0-9A-Z]*>+[ \t]*$\\|[ \t]*$\\|"
1432 ;;!!! Uhm... shurely this can't be right?
1433 "[> " (regexp-quote message-yank-prefix) "]+$"))
1434 (setq paragraph-separate paragraph-start)
1435 (make-local-variable 'message-reply-headers)
1436 (setq message-reply-headers nil)
1437 (make-local-variable 'message-newsreader)
1438 (make-local-variable 'message-mailer)
1439 (make-local-variable 'message-post-method)
1440 (set (make-local-variable 'message-sent-message-via) nil)
1441 (set (make-local-variable 'message-checksum) nil)
1442 (set (make-local-variable 'message-mime-part) 0)
1443 ;;(when (fboundp 'mail-hist-define-keys)
1444 ;; (mail-hist-define-keys))
1445 (when (string-match "XEmacs\\|Lucid" emacs-version)
1446 (message-setup-toolbar))
1447 (easy-menu-add message-mode-menu message-mode-map)
1448 (easy-menu-add message-mode-field-menu message-mode-map)
1449 ;; Allow mail alias things.
1450 (when (eq message-mail-alias-type 'abbrev)
1451 (if (fboundp 'mail-abbrevs-setup)
1452 (mail-abbrevs-setup)
1453 (mail-aliases-setup)))
1454 (message-set-auto-save-file-name)
1455 (unless (string-match "XEmacs" emacs-version)
1456 (set (make-local-variable 'font-lock-defaults)
1457 '(message-font-lock-keywords t)))
1458 (make-local-variable 'adaptive-fill-regexp)
1459 (setq adaptive-fill-regexp
1460 (concat "[ \t]*[-a-z0-9A-Z]*\\(>[ \t]*\\)+[ \t]*\\|" adaptive-fill-regexp))
1461 (unless (boundp 'adaptive-fill-first-line-regexp)
1462 (setq adaptive-fill-first-line-regexp nil))
1463 (make-local-variable 'adaptive-fill-first-line-regexp)
1464 (setq adaptive-fill-first-line-regexp
1465 (concat "[ \t]*[-a-z0-9A-Z]*\\(>[ \t]*\\)+[ \t]*\\|"
1466 adaptive-fill-first-line-regexp))
1467 (mm-enable-multibyte)
1468 (make-local-variable 'indent-tabs-mode) ;Turn off tabs for indentation.
1469 (setq indent-tabs-mode nil)
1471 (run-hooks 'text-mode-hook 'message-mode-hook))
1476 ;;; Message mode commands
1479 ;;; Movement commands
1481 (defun message-goto-to ()
1482 "Move point to the To header."
1484 (message-position-on-field "To"))
1486 (defun message-goto-subject ()
1487 "Move point to the Subject header."
1489 (message-position-on-field "Subject"))
1491 (defun message-goto-cc ()
1492 "Move point to the Cc header."
1494 (message-position-on-field "Cc" "To"))
1496 (defun message-goto-bcc ()
1497 "Move point to the Bcc header."
1499 (message-position-on-field "Bcc" "Cc" "To"))
1501 (defun message-goto-fcc ()
1502 "Move point to the Fcc header."
1504 (message-position-on-field "Fcc" "To" "Newsgroups"))
1506 (defun message-goto-reply-to ()
1507 "Move point to the Reply-To header."
1509 (message-position-on-field "Reply-To" "Subject"))
1511 (defun message-goto-newsgroups ()
1512 "Move point to the Newsgroups header."
1514 (message-position-on-field "Newsgroups"))
1516 (defun message-goto-distribution ()
1517 "Move point to the Distribution header."
1519 (message-position-on-field "Distribution"))
1521 (defun message-goto-followup-to ()
1522 "Move point to the Followup-To header."
1524 (message-position-on-field "Followup-To" "Newsgroups"))
1526 (defun message-goto-keywords ()
1527 "Move point to the Keywords header."
1529 (message-position-on-field "Keywords" "Subject"))
1531 (defun message-goto-summary ()
1532 "Move point to the Summary header."
1534 (message-position-on-field "Summary" "Subject"))
1536 (defun message-goto-body ()
1537 "Move point to the beginning of the message body."
1539 (if (looking-at "[ \t]*\n") (expand-abbrev))
1540 (goto-char (point-min))
1541 (or (search-forward (concat "\n" mail-header-separator "\n") nil t)
1542 (search-forward "\n\n" nil t)))
1544 (defun message-goto-eoh ()
1545 "Move point to the end of the headers."
1550 (defun message-goto-signature ()
1551 "Move point to the beginning of the message signature.
1552 If there is no signature in the article, go to the end and
1555 (goto-char (point-min))
1556 (if (re-search-forward message-signature-separator nil t)
1558 (goto-char (point-max))
1563 (defun message-insert-to (&optional force)
1564 "Insert a To header that points to the author of the article being replied to.
1565 If the original author requested not to be sent mail, the function signals
1567 With the prefix argument FORCE, insert the header anyway."
1569 (let ((co (message-fetch-reply-field "mail-copies-to")))
1570 (when (and (null force)
1572 (or (equal (downcase co) "never")
1573 (equal (downcase co) "nobody")))
1574 (error "The user has requested not to have copies sent via mail")))
1575 (when (and (message-position-on-field "To")
1576 (mail-fetch-field "to")
1577 (not (string-match "\\` *\\'" (mail-fetch-field "to"))))
1579 (insert (or (message-fetch-reply-field "reply-to")
1580 (message-fetch-reply-field "from") "")))
1582 (defun message-insert-newsgroups ()
1583 "Insert the Newsgroups header from the article being replied to."
1585 (when (and (message-position-on-field "Newsgroups")
1586 (mail-fetch-field "newsgroups")
1587 (not (string-match "\\` *\\'" (mail-fetch-field "newsgroups"))))
1589 (insert (or (message-fetch-reply-field "newsgroups") "")))
1593 ;;; Various commands
1595 (defun message-delete-not-region (beg end)
1596 "Delete everything in the body of the current message that is outside of the region."
1600 (delete-region (point) (if (not (message-goto-signature))
1606 (delete-region beg (progn (message-goto-body)
1609 (when (message-goto-signature)
1612 (defun message-kill-to-signature ()
1613 "Deletes all text up to the signature."
1615 (let ((point (point)))
1616 (message-goto-signature)
1619 (kill-region point (point))
1623 (defun message-newline-and-reformat ()
1624 "Insert four newlines, and then reformat if inside quoted text."
1626 (let ((prefix "[]>»|:}+ \t]*")
1627 (supercite-thing "[-._a-zA-Z0-9]*[>]+[ \t]*")
1632 (when (looking-at (concat prefix
1634 (setq quoted (match-string 0))))
1636 (setq point (point))
1638 (delete-region (point) (re-search-forward "[ \t]*"))
1641 (fill-paragraph nil)
1645 (defun message-insert-signature (&optional force)
1646 "Insert a signature. See documentation for the `message-signature' variable."
1647 (interactive (list 0))
1650 ((and (null message-signature)
1653 (goto-char (point-max))
1654 (not (re-search-backward message-signature-separator nil t))))
1655 ((and (null message-signature)
1658 ((message-functionp message-signature)
1659 (funcall message-signature))
1660 ((listp message-signature)
1661 (eval message-signature))
1662 (t message-signature)))
1664 (cond ((stringp signature)
1666 ((and (eq t signature)
1667 message-signature-file
1668 (file-exists-p message-signature-file))
1671 (goto-char (point-max))
1672 ;; Insert the signature.
1676 (if (eq signature t)
1677 (insert-file-contents message-signature-file)
1679 (goto-char (point-max))
1680 (or (bolp) (insert "\n")))))
1682 (defun message-elide-region (b e)
1683 "Elide the text between point and mark.
1684 An ellipsis (from `message-elide-ellipsis') will be inserted where the
1688 (insert message-elide-ellipsis))
1690 (defvar message-caesar-translation-table nil)
1692 (defun message-caesar-region (b e &optional n)
1693 "Caesar rotation of region by N, default 13, for decrypting netnews."
1696 (min (point) (or (mark t) (point)))
1697 (max (point) (or (mark t) (point)))
1698 (when current-prefix-arg
1699 (prefix-numeric-value current-prefix-arg))))
1701 (setq n (if (numberp n) (mod n 26) 13)) ;canonize N
1702 (unless (or (zerop n) ; no action needed for a rot of 0
1703 (= b e)) ; no region to rotate
1704 ;; We build the table, if necessary.
1705 (when (or (not message-caesar-translation-table)
1706 (/= (aref message-caesar-translation-table ?a) (+ ?a n)))
1707 (setq message-caesar-translation-table
1708 (message-make-caesar-translation-table n)))
1709 ;; Then we translate the region. Do it this way to retain
1712 (when (< (char-after b) 255)
1713 (subst-char-in-region
1714 b (1+ b) (char-after b)
1715 (aref message-caesar-translation-table (char-after b))))
1718 (defun message-make-caesar-translation-table (n)
1719 "Create a rot table with offset N."
1721 (table (make-string 256 0)))
1722 (while (< (incf i) 256)
1725 (substring table 0 ?A)
1726 (substring table (+ ?A n) (+ ?A n (- 26 n)))
1727 (substring table ?A (+ ?A n))
1728 (substring table (+ ?A 26) ?a)
1729 (substring table (+ ?a n) (+ ?a n (- 26 n)))
1730 (substring table ?a (+ ?a n))
1731 (substring table (+ ?a 26) 255))))
1733 (defun message-caesar-buffer-body (&optional rotnum)
1734 "Caesar rotates all letters in the current buffer by 13 places.
1735 Used to encode/decode possiblyun offensive messages (commonly in net.jokes).
1736 With prefix arg, specifies the number of places to rotate each letter forward.
1737 Mail and USENET news headers are not rotated."
1738 (interactive (if current-prefix-arg
1739 (list (prefix-numeric-value current-prefix-arg))
1743 (when (message-goto-body)
1744 (narrow-to-region (point) (point-max)))
1745 (message-caesar-region (point-min) (point-max) rotnum))))
1747 (defun message-pipe-buffer-body (program)
1748 "Pipe the message body in the current buffer through PROGRAM."
1751 (when (message-goto-body)
1752 (narrow-to-region (point) (point-max)))
1753 (let ((body (buffer-substring (point-min) (point-max))))
1754 (unless (equal 0 (call-process-region
1755 (point-min) (point-max) program t t))
1757 (message "%s failed" program))))))
1759 (defun message-rename-buffer (&optional enter-string)
1760 "Rename the *message* buffer to \"*message* RECIPIENT\".
1761 If the function is run with a prefix, it will ask for a new buffer
1762 name, rather than giving an automatic name."
1763 (interactive "Pbuffer name: ")
1766 (goto-char (point-min))
1767 (narrow-to-region (point)
1768 (search-forward mail-header-separator nil 'end))
1770 (if (message-news-p) (message-fetch-field "Newsgroups")
1771 (message-fetch-field "To"))
1774 (if (string-match "," mail-to)
1775 (concat (substring mail-to 0 (match-beginning 0)) ", ...")
1777 (name-default (concat "*message* " mail-trimmed-to))
1778 (name (if enter-string
1779 (read-string "New buffer name: " name-default)
1781 (rename-buffer name t)))))
1783 (defun message-fill-yanked-message (&optional justifyp)
1784 "Fill the paragraphs of a message yanked into this one.
1785 Numeric argument means justify as well."
1788 (goto-char (point-min))
1789 (search-forward (concat "\n" mail-header-separator "\n") nil t)
1790 (let ((fill-prefix message-yank-prefix))
1791 (fill-individual-paragraphs (point) (point-max) justifyp))))
1793 (defun message-indent-citation ()
1794 "Modify text just inserted from a message to be cited.
1795 The inserted text should be the region.
1796 When this function returns, the region is again around the modified text.
1798 Normally, indent each nonblank line `message-indentation-spaces' spaces.
1799 However, if `message-yank-prefix' is non-nil, insert that prefix on each line."
1800 (let ((start (point)))
1801 ;; Remove unwanted headers.
1802 (when message-ignored-cited-headers
1807 (if (search-forward "\n\n" nil t)
1810 (message-remove-header message-ignored-cited-headers t)
1811 (when (= (point-min) (point-max))
1812 (setq all-removed t))
1813 (goto-char (point-max)))
1817 ;; Delete blank lines at the start of the buffer.
1818 (while (and (point-min)
1821 (message-delete-line))
1822 ;; Delete blank lines at the end of the buffer.
1823 (goto-char (point-max))
1826 (while (and (zerop (forward-line -1))
1828 (message-delete-line))
1829 ;; Do the indentation.
1830 (if (null message-yank-prefix)
1831 (indent-rigidly start (mark t) message-indentation-spaces)
1834 (while (< (point) (mark t))
1835 (insert message-yank-prefix)
1839 (defun message-yank-original (&optional arg)
1840 "Insert the message being replied to, if any.
1841 Puts point before the text and mark after.
1842 Normally indents each nonblank line ARG spaces (default 3). However,
1843 if `message-yank-prefix' is non-nil, insert that prefix on each line.
1845 This function uses `message-cite-function' to do the actual citing.
1847 Just \\[universal-argument] as argument means don't indent, insert no
1848 prefix, and don't delete any headers."
1850 (let ((modified (buffer-modified-p)))
1851 (when (and message-reply-buffer
1852 message-cite-function)
1853 (delete-windows-on message-reply-buffer t)
1854 (insert-buffer message-reply-buffer)
1855 (funcall message-cite-function)
1856 (message-exchange-point-and-mark)
1860 (setq message-checksum (message-checksum))))))
1862 (defun message-yank-buffer (buffer)
1863 "Insert BUFFER into the current buffer and quote it."
1864 (interactive "bYank buffer: ")
1865 (let ((message-reply-buffer buffer))
1866 (save-window-excursion
1867 (message-yank-original))))
1869 (defun message-buffers ()
1870 "Return a list of active message buffers."
1873 (dolist (buffer (buffer-list t))
1875 (when (and (eq major-mode 'message-mode)
1876 (null message-sent-message-via))
1877 (push (buffer-name buffer) buffers))))
1878 (nreverse buffers)))
1880 (defun message-cite-original-without-signature ()
1881 "Cite function in the standard Message manner."
1882 (let ((start (point))
1885 (when message-indent-citation-function
1886 (if (listp message-indent-citation-function)
1887 message-indent-citation-function
1888 (list message-indent-citation-function)))))
1889 (mml-quote-region start end)
1891 (when (re-search-backward message-signature-separator start t)
1892 ;; Also peel off any blank lines before the signature.
1894 (while (looking-at "^[ \t]*$")
1897 (delete-region (point) end))
1900 (funcall (pop functions)))
1901 (when message-citation-line-function
1904 (funcall message-citation-line-function))))
1906 (defvar mail-citation-hook) ;Compiler directive
1907 (defun message-cite-original ()
1908 "Cite function in the standard Message manner."
1909 (if (and (boundp 'mail-citation-hook)
1911 (run-hooks 'mail-citation-hook)
1912 (let ((start (point))
1915 (when message-indent-citation-function
1916 (if (listp message-indent-citation-function)
1917 message-indent-citation-function
1918 (list message-indent-citation-function)))))
1919 (mml-quote-region start end)
1922 (funcall (pop functions)))
1923 (when message-citation-line-function
1926 (funcall message-citation-line-function)))))
1928 (defun message-insert-citation-line ()
1929 "Function that inserts a simple citation line."
1930 (when message-reply-headers
1931 (insert (mail-header-from message-reply-headers) " writes:\n\n")))
1933 (defun message-position-on-field (header &rest afters)
1934 (let ((case-fold-search t))
1937 (goto-char (point-min))
1940 (concat "^" (regexp-quote mail-header-separator) "$"))
1941 (match-beginning 0)))
1942 (goto-char (point-min))
1943 (if (re-search-forward (concat "^" (regexp-quote header) ":") nil t)
1945 (re-search-forward "^[^ \t]" nil 'move)
1947 (skip-chars-backward "\n")
1950 (not (re-search-forward
1951 (concat "^" (regexp-quote (car afters)) ":")
1955 (re-search-forward "^[^ \t]" nil 'move)
1956 (beginning-of-line))
1957 (insert header ": \n")
1961 (defun message-remove-signature ()
1962 "Remove the signature from the text between point and mark.
1963 The text will also be indented the normal way."
1965 (let ((start (point))
1967 (if (not (re-search-forward message-signature-separator (mark t) t))
1968 ;; No signature here, so we just indent the cited text.
1969 (message-indent-citation)
1970 ;; Find the last non-empty line.
1972 (while (looking-at "[ \t]*$")
1975 (setq mark (set-marker (make-marker) (point)))
1977 (message-indent-citation)
1978 ;; Enable undoing the deletion.
1980 (delete-region mark (mark t))
1981 (set-marker mark nil)))))
1986 ;;; Sending messages
1989 (defun message-send-and-exit (&optional arg)
1990 "Send message like `message-send', then, if no errors, exit from mail buffer."
1992 (let ((buf (current-buffer))
1993 (actions message-exit-actions))
1994 (when (and (message-send arg)
1996 (if message-kill-buffer-on-exit
1999 (when (eq buf (current-buffer))
2000 (message-bury buf)))
2001 (message-do-actions actions)
2004 (defun message-dont-send ()
2005 "Don't send the message you have been editing."
2007 (set-buffer-modified-p t)
2009 (let ((actions message-postpone-actions))
2010 (message-bury (current-buffer))
2011 (message-do-actions actions)))
2013 (defun message-kill-buffer ()
2014 "Kill the current buffer."
2016 (when (or (not (buffer-modified-p))
2017 (yes-or-no-p "Message modified; kill anyway? "))
2018 (let ((actions message-kill-actions))
2019 (setq buffer-file-name nil)
2020 (kill-buffer (current-buffer))
2021 (message-do-actions actions))))
2023 (defun message-bury (buffer)
2024 "Bury this mail buffer."
2025 (let ((newbuf (other-buffer buffer)))
2026 (bury-buffer buffer)
2027 (if (and (fboundp 'frame-parameters)
2028 (cdr (assq 'dedicated (frame-parameters)))
2029 (not (null (delq (selected-frame) (visible-frame-list)))))
2030 (delete-frame (selected-frame))
2031 (switch-to-buffer newbuf))))
2033 (defun message-send (&optional arg)
2034 "Send the message in the current buffer.
2035 If `message-interactive' is non-nil, wait for success indication
2036 or error messages, and inform user.
2037 Otherwise any failure is reported in a message back to
2038 the user from the mailer."
2040 ;; Make it possible to undo the coming changes.
2042 (let ((inhibit-read-only t))
2043 (put-text-property (point-min) (point-max) 'read-only nil))
2044 (message-fix-before-sending)
2045 (run-hooks 'message-send-hook)
2046 (message "Sending...")
2047 (let ((alist message-send-method-alist)
2051 (setq elem (pop alist)))
2052 (when (or (not (funcall (cadr elem)))
2053 (and (or (not (memq (car elem)
2054 message-sent-message-via))
2057 "Already sent message via %s; resend? "
2059 (setq success (funcall (caddr elem) arg))))
2061 (unless (or sent (not success))
2062 (error "No methods specified to send by"))
2063 (when (and success sent)
2066 (run-hooks 'message-sent-hook))
2067 (message "Sending...done")
2068 ;; Mark the buffer as unmodified and delete auto-save.
2069 (set-buffer-modified-p nil)
2070 (delete-auto-save-file-if-necessary t)
2071 (message-disassociate-draft)
2072 ;; Delete other mail buffers and stuff.
2073 (message-do-send-housekeeping)
2074 (message-do-actions message-send-actions)
2078 (defun message-send-via-mail (arg)
2079 "Send the current message via mail."
2080 (message-send-mail arg))
2082 (defun message-send-via-news (arg)
2083 "Send the current message via news."
2084 (funcall message-send-news-function arg))
2086 (defmacro message-check (type &rest forms)
2087 "Eval FORMS if TYPE is to be checked."
2088 `(or (message-check-element ,type)
2092 (put 'message-check 'lisp-indent-function 1)
2093 (put 'message-check 'edebug-form-spec '(form body))
2095 (defun message-fix-before-sending ()
2096 "Do various things to make the message nice before sending it."
2097 ;; Make sure there's a newline at the end of the message.
2098 (goto-char (point-max))
2101 ;; Delete all invisible text.
2102 (message-check 'invisible-text
2103 (when (text-property-any (point-min) (point-max) 'invisible t)
2104 (put-text-property (point-min) (point-max) 'invisible nil)
2105 (unless (yes-or-no-p
2106 "Invisible text found and made visible; continue posting? ")
2107 (error "Invisible text found and made visible")))))
2109 (defun message-add-action (action &rest types)
2110 "Add ACTION to be performed when doing an exit of type TYPES."
2113 (set (setq var (intern (format "message-%s-actions" (pop types))))
2114 (nconc (symbol-value var) (list action))))))
2116 (defun message-do-actions (actions)
2117 "Perform all actions in ACTIONS."
2118 ;; Now perform actions on successful sending.
2122 ;; A simple function.
2123 ((message-functionp (car actions))
2124 (funcall (car actions)))
2125 ;; Something to be evaled.
2127 (eval (car actions)))))
2130 (defun message-send-mail (&optional arg)
2131 (require 'mail-utils)
2132 (let ((tembuf (message-generate-new-buffer-clone-locals " message temp"))
2133 (case-fold-search nil)
2134 (news (message-news-p))
2135 (mailbuf (current-buffer)))
2137 (message-narrow-to-headers)
2138 ;; Insert some headers.
2139 (let ((message-deletable-headers
2140 (if news nil message-deletable-headers)))
2141 (message-generate-headers message-required-mail-headers))
2142 ;; Let the user do all of the above.
2143 (run-hooks 'message-header-hook))
2148 ;; Avoid copying text props.
2150 "%s" (save-excursion
2151 (set-buffer mailbuf)
2153 ;; Remove some headers.
2154 (message-encode-message-body)
2156 (message-narrow-to-headers)
2157 ;; We (re)generate the Lines header.
2158 (when (memq 'Lines message-required-mail-headers)
2159 (message-generate-headers '(Lines)))
2160 ;; Remove some headers.
2161 (message-remove-header message-ignored-mail-headers t)
2162 (mail-encode-encoded-word-buffer))
2163 (goto-char (point-max))
2164 ;; require one newline at the end.
2165 (or (= (preceding-char) ?\n)
2168 (or (message-fetch-field "cc")
2169 (message-fetch-field "to")))
2170 (message-insert-courtesy-copy))
2171 (funcall message-send-mail-function))
2172 (kill-buffer tembuf))
2173 (set-buffer mailbuf)
2174 (push 'mail message-sent-message-via)))
2176 (defun message-send-mail-with-sendmail ()
2177 "Send off the prepared buffer with sendmail."
2178 (let ((errbuf (if message-interactive
2179 (message-generate-new-buffer-clone-locals " sendmail errors")
2181 resend-to-addresses delimline)
2182 (let ((case-fold-search t))
2184 (message-narrow-to-headers)
2185 (setq resend-to-addresses (message-fetch-field "resent-to")))
2186 ;; Change header-delimiter to be what sendmail expects.
2187 (goto-char (point-min))
2189 (concat "^" (regexp-quote mail-header-separator) "\n"))
2190 (replace-match "\n")
2192 (setq delimline (point-marker))
2193 (run-hooks 'message-send-mail-hook)
2194 ;; Insert an extra newline if we need it to work around
2195 ;; Sun's bug that swallows newlines.
2196 (goto-char (1+ delimline))
2197 (when (eval message-mailer-swallows-blank-line)
2199 (when message-interactive
2203 (let ((default-directory "/")
2204 (coding-system-for-write message-send-coding-system))
2205 (apply 'call-process-region
2206 (append (list (point-min) (point-max)
2207 (if (boundp 'sendmail-program)
2209 "/usr/lib/sendmail")
2210 nil errbuf nil "-oi")
2211 ;; Always specify who from,
2212 ;; since some systems have broken sendmails.
2213 ;; But some systems are more broken with -f, so
2214 ;; we'll let users override this.
2215 (if (null message-sendmail-f-is-evil)
2216 (list "-f" (message-make-address)))
2217 ;; These mean "report errors by mail"
2218 ;; and "deliver in background".
2219 (if (null message-interactive) '("-oem" "-odb"))
2220 ;; Get the addresses from the message
2221 ;; unless this is a resend.
2222 ;; We must not do that for a resend
2223 ;; because we would find the original addresses.
2224 ;; For a resend, include the specific addresses.
2225 (if resend-to-addresses
2226 (list resend-to-addresses)
2228 (when message-interactive
2231 (goto-char (point-min))
2232 (while (re-search-forward "\n\n* *" nil t)
2233 (replace-match "; "))
2234 (if (not (zerop (buffer-size)))
2235 (error "Sending...failed to %s"
2236 (buffer-substring (point-min) (point-max)))))
2237 (when (bufferp errbuf)
2238 (kill-buffer errbuf)))))
2240 (defun message-send-mail-with-qmail ()
2241 "Pass the prepared message buffer to qmail-inject.
2242 Refer to the documentation for the variable `message-send-mail-function'
2243 to find out how to use this."
2244 ;; replace the header delimiter with a blank line
2245 (goto-char (point-min))
2247 (concat "^" (regexp-quote mail-header-separator) "\n"))
2248 (replace-match "\n")
2249 (run-hooks 'message-send-mail-hook)
2252 (let ((coding-system-for-write message-send-coding-system))
2254 'call-process-region 1 (point-max) message-qmail-inject-program
2256 ;; qmail-inject's default behaviour is to look for addresses on the
2257 ;; command line; if there're none, it scans the headers.
2258 ;; yes, it does The Right Thing w.r.t. Resent-To and it's kin.
2260 ;; in general, ALL of qmail-inject's defaults are perfect for simply
2261 ;; reading a formatted (i. e., at least a To: or Resent-To header)
2262 ;; message from stdin.
2264 ;; qmail also has the advantage of not having been raped by
2265 ;; various vendors, so we don't have to allow for that, either --
2266 ;; compare this with message-send-mail-with-sendmail and weep
2267 ;; for sendmail's lost innocence.
2269 ;; all this is way cool coz it lets us keep the arguments entirely
2270 ;; free for -inject-arguments -- a big win for the user and for us
2271 ;; since we don't have to play that double-guessing game and the user
2272 ;; gets full control (no gestapo'ish -f's, for instance). --sj
2273 message-qmail-inject-args))
2274 ;; qmail-inject doesn't say anything on it's stdout/stderr,
2275 ;; we have to look at the retval instead
2277 (1 (error "qmail-inject reported permanent failure"))
2278 (111 (error "qmail-inject reported transient failure"))
2279 ;; should never happen
2280 (t (error "qmail-inject reported unknown failure"))))
2282 (defun message-send-mail-with-mh ()
2283 "Send the prepared message buffer with mh."
2284 (let ((mh-previous-window-config nil)
2285 (name (mh-new-draft-name)))
2286 (setq buffer-file-name name)
2287 ;; MH wants to generate these headers itself.
2288 (when message-mh-deletable-headers
2289 (let ((headers message-mh-deletable-headers))
2291 (goto-char (point-min))
2292 (and (re-search-forward
2293 (concat "^" (symbol-name (car headers)) ": *") nil t)
2294 (message-delete-line))
2296 (run-hooks 'message-send-mail-hook)
2297 ;; Pass it on to mh.
2300 (defun message-send-news (&optional arg)
2301 (let ((tembuf (message-generate-new-buffer-clone-locals " *message temp*"))
2302 (case-fold-search nil)
2303 (method (if (message-functionp message-post-method)
2304 (funcall message-post-method arg)
2305 message-post-method))
2306 (messbuf (current-buffer))
2307 (message-syntax-checks
2309 (cons '(existing-newsgroups . disabled)
2310 message-syntax-checks)
2311 message-syntax-checks))
2313 (if (not (message-check-news-body-syntax))
2316 (message-narrow-to-headers)
2317 ;; Insert some headers.
2318 (message-generate-headers message-required-news-headers)
2319 ;; Let the user do all of the above.
2320 (run-hooks 'message-header-hook))
2321 (message-cleanup-headers)
2322 (if (not (message-check-news-syntax))
2327 (buffer-disable-undo)
2329 ;; Avoid copying text props.
2331 "%s" (save-excursion
2332 (set-buffer messbuf)
2334 (message-encode-message-body)
2335 ;; Remove some headers.
2337 (message-narrow-to-headers)
2338 ;; We (re)generate the Lines header.
2339 (when (memq 'Lines message-required-mail-headers)
2340 (message-generate-headers '(Lines)))
2341 ;; Remove some headers.
2342 (message-remove-header message-ignored-news-headers t)
2343 (let ((mail-parse-charset message-posting-charset))
2344 (mail-encode-encoded-word-buffer)))
2345 (goto-char (point-max))
2346 ;; require one newline at the end.
2347 (or (= (preceding-char) ?\n)
2349 (let ((case-fold-search t))
2350 ;; Remove the delimiter.
2351 (goto-char (point-min))
2353 (concat "^" (regexp-quote mail-header-separator) "\n"))
2354 (replace-match "\n")
2356 (run-hooks 'message-send-news-hook)
2357 (gnus-open-server method)
2358 (setq result (let ((mail-header-separator ""))
2359 (gnus-request-post method))))
2360 (kill-buffer tembuf))
2361 (set-buffer messbuf)
2363 (push 'news message-sent-message-via)
2364 (message "Couldn't send message via news: %s"
2365 (nnheader-get-report (car method)))
2369 ;;; Header generation & syntax checking.
2372 (defun message-check-element (type)
2373 "Returns non-nil if this type is not to be checked."
2374 (if (eq message-syntax-checks 'dont-check-for-anything-just-trust-me)
2376 (let ((able (assq type message-syntax-checks)))
2378 (eq (cdr able) 'disabled)))))
2380 (defun message-check-news-syntax ()
2381 "Check the syntax of the message."
2385 ;; We narrow to the headers and check them first.
2388 (message-narrow-to-headers)
2389 (message-check-news-header-syntax))))))
2391 (defun message-check-news-header-syntax ()
2393 ;; Check Newsgroups header.
2394 (message-check 'newsgroyps
2395 (let ((group (message-fetch-field "newsgroups")))
2398 (not (string-match "\\`[ \t]*\\'" group)))
2401 "The newsgroups field is empty or missing. Posting is denied.")))))
2402 ;; Check the Subject header.
2403 (message-check 'subject
2404 (let* ((case-fold-search t)
2405 (subject (message-fetch-field "subject")))
2408 (not (string-match "\\`[ \t]*\\'" subject)))
2411 "The subject field is empty or missing. Posting is denied.")))))
2412 ;; Check for commands in Subject.
2413 (message-check 'subject-cmsg
2414 (if (string-match "^cmsg " (message-fetch-field "subject"))
2416 "The control code \"cmsg\" is in the subject. Really post? ")
2418 ;; Check for multiple identical headers.
2419 (message-check 'multiple-headers
2421 (while (and (not found)
2422 (re-search-forward "^[^ \t:]+: " nil t))
2424 (or (re-search-forward
2429 (match-beginning 0) (- (match-end 0) 2))))
2434 (y-or-n-p (format "Multiple %s headers. Really post? " found))
2436 ;; Check for Version and Sendsys.
2437 (message-check 'sendsys
2438 (if (re-search-forward "^Sendsys:\\|^Version:" nil t)
2440 (format "The article contains a %s command. Really post? "
2441 (buffer-substring (match-beginning 0)
2442 (1- (match-end 0)))))
2444 ;; See whether we can shorten Followup-To.
2445 (message-check 'shorten-followup-to
2446 (let ((newsgroups (message-fetch-field "newsgroups"))
2447 (followup-to (message-fetch-field "followup-to"))
2449 (when (and newsgroups
2450 (string-match "," newsgroups)
2455 (setq to (completing-read
2456 "Followups to: (default all groups) "
2457 (mapcar (lambda (g) (list g))
2459 (message-tokenize-header
2461 (goto-char (point-min))
2462 (insert "Followup-To: " to "\n"))
2464 ;; Check "Shoot me".
2465 (message-check 'shoot
2466 (if (re-search-forward
2467 "Message-ID.*.i-did-not-set--mail-host-address--so-shoot-me" nil t)
2468 (y-or-n-p "You appear to have a misconfigured system. Really post? ")
2470 ;; Check for Approved.
2471 (message-check 'approved
2472 (if (re-search-forward "^Approved:" nil t)
2473 (y-or-n-p "The article contains an Approved header. Really post? ")
2475 ;; Check the Message-ID header.
2476 (message-check 'message-id
2477 (let* ((case-fold-search t)
2478 (message-id (message-fetch-field "message-id" t)))
2479 (or (not message-id)
2480 ;; Is there an @ in the ID?
2481 (and (string-match "@" message-id)
2482 ;; Is there a dot in the ID?
2483 (string-match "@[^.]*\\." message-id)
2484 ;; Does the ID end with a dot?
2485 (not (string-match "\\.>" message-id)))
2487 (format "The Message-ID looks strange: \"%s\". Really post? "
2489 ;; Check the Newsgroups & Followup-To headers.
2490 (message-check 'existing-newsgroups
2491 (let* ((case-fold-search t)
2492 (newsgroups (message-fetch-field "newsgroups"))
2493 (followup-to (message-fetch-field "followup-to"))
2494 (groups (message-tokenize-header
2496 (concat newsgroups "," followup-to)
2498 (hashtb (and (boundp 'gnus-active-hashtb)
2499 gnus-active-hashtb))
2501 (if (or (not hashtb)
2502 (not (boundp 'gnus-read-active-file))
2503 (not gnus-read-active-file)
2504 (eq gnus-read-active-file 'some))
2507 (when (and (not (boundp (intern (car groups) hashtb)))
2508 (not (equal (car groups) "poster")))
2509 (push (car groups) errors))
2515 "Really post to %s unknown group%s: %s "
2516 (if (= (length errors) 1) "this" "these")
2517 (if (= (length errors) 1) "" "s")
2518 (mapconcat 'identity errors ", ")))))))
2519 ;; Check the Newsgroups & Followup-To headers for syntax errors.
2520 (message-check 'valid-newsgroups
2521 (let ((case-fold-search t)
2522 (headers '("Newsgroups" "Followup-To"))
2524 (while (and headers (not error))
2525 (when (setq header (mail-fetch-field (car headers)))
2529 "\\`\\([-+_&.a-zA-Z0-9]+\\)?\\(,[-+_&.a-zA-Z0-9]+\\)*\\'"
2534 (not (string-match "\\.\\'\\|\\.\\." g)))
2535 (message-tokenize-header header ","))))
2542 (format "The %s header looks odd: \"%s\". Really post? "
2543 (car headers) header)))))
2544 (message-check 'repeated-newsgroups
2545 (let ((case-fold-search t)
2546 (headers '("Newsgroups" "Followup-To"))
2547 header error groups group)
2550 (when (setq header (mail-fetch-field (pop headers)))
2551 (setq groups (message-tokenize-header header ","))
2552 (while (setq group (pop groups))
2553 (when (member group groups)
2559 (format "Group %s is repeated in headers. Really post? " error)))))
2560 ;; Check the From header.
2561 (message-check 'from
2562 (let* ((case-fold-search t)
2563 (from (message-fetch-field "from"))
2567 (message "There is no From line. Posting is denied.")
2569 ((or (not (string-match
2571 (setq ad (nth 1 (mail-extract-address-components
2572 from))))) ;larsi@ifi
2573 (string-match "\\.\\." ad) ;larsi@ifi..uio
2574 (string-match "@\\." ad) ;larsi@.ifi.uio
2575 (string-match "\\.$" ad) ;larsi@ifi.uio.
2576 (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
2577 (string-match "(.*).*(.*)" from)) ;(lars) (lars)
2579 "Denied posting -- the From looks strange: \"%s\"." from)
2583 (defun message-check-news-body-syntax ()
2585 ;; Check for long lines.
2586 (message-check 'long-lines
2587 (goto-char (point-min))
2589 (concat "^" (regexp-quote mail-header-separator) "$"))
2593 (< (current-column) 80))
2594 (zerop (forward-line 1))))
2598 "You have lines longer than 79 characters. Really post? ")))
2599 ;; Check whether the article is empty.
2600 (message-check 'empty
2601 (goto-char (point-min))
2603 (concat "^" (regexp-quote mail-header-separator) "$"))
2606 (goto-char (point-max))
2607 (re-search-backward message-signature-separator nil t)
2609 (or (re-search-backward "[^ \n\t]" b t)
2610 (y-or-n-p "Empty article. Really post? "))))
2611 ;; Check for control characters.
2612 (message-check 'control-chars
2613 (if (re-search-forward "[\000-\007\013\015-\032\034-\037\200-\237]" nil t)
2615 "The article contains control characters. Really post? ")
2617 ;; Check excessive size.
2618 (message-check 'size
2619 (if (> (buffer-size) 60000)
2621 (format "The article is %d octets long. Really post? "
2624 ;; Check whether any new text has been added.
2625 (message-check 'new-text
2627 (not message-checksum)
2628 (not (eq (message-checksum) message-checksum))
2630 "It looks like no new text has been added. Really post? ")))
2631 ;; Check the length of the signature.
2632 (message-check 'signature
2633 (goto-char (point-max))
2634 (if (> (count-lines (point) (point-max)) 5)
2637 "Your .sig is %d lines; it should be max 4. Really post? "
2638 (1- (count-lines (point) (point-max)))))
2641 (defun message-checksum ()
2642 "Return a \"checksum\" for the current buffer."
2645 (goto-char (point-min))
2647 (concat "^" (regexp-quote mail-header-separator) "$"))
2649 (when (not (looking-at "[ \t\n]"))
2650 (setq sum (logxor (ash sum 1) (if (natnump sum) 0 1)
2655 (defun message-do-fcc ()
2656 "Process Fcc headers in the current buffer."
2657 (let ((case-fold-search t)
2658 (buf (current-buffer))
2661 (set-buffer (get-buffer-create " *message temp*"))
2663 (insert-buffer-substring buf)
2665 (message-narrow-to-headers)
2666 (while (setq file (message-fetch-field "fcc"))
2668 (message-remove-header "fcc" nil t)))
2669 (goto-char (point-min))
2670 (re-search-forward (concat "^" (regexp-quote mail-header-separator) "$"))
2671 (replace-match "" t t)
2672 ;; Process FCC operations.
2674 (setq file (pop list))
2675 (if (string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" file)
2676 ;; Pipe the article to the program in question.
2677 (call-process-region (point-min) (point-max) shell-file-name
2678 nil nil nil shell-command-switch
2679 (match-string 1 file))
2680 ;; Save the article.
2681 (setq file (expand-file-name file))
2682 (unless (file-exists-p (file-name-directory file))
2683 (make-directory (file-name-directory file) t))
2684 (if (and message-fcc-handler-function
2685 (not (eq message-fcc-handler-function 'rmail-output)))
2686 (funcall message-fcc-handler-function file)
2687 (if (and (file-readable-p file) (mail-file-babyl-p file))
2688 (rmail-output file 1 nil t)
2689 (let ((mail-use-rfc822 t))
2690 (rmail-output file 1 t t))))))
2692 (kill-buffer (current-buffer)))))
2694 (defun message-output (filename)
2695 "Append this article to Unix/babyl mail file.."
2696 (if (and (file-readable-p filename)
2697 (mail-file-babyl-p filename))
2698 (rmail-output-to-rmail-file filename t)
2699 (gnus-output-to-mail filename t)))
2701 (defun message-cleanup-headers ()
2702 "Do various automatic cleanups of the headers."
2703 ;; Remove empty lines in the header.
2705 (message-narrow-to-headers)
2706 ;; Remove blank lines.
2707 (while (re-search-forward "^[ \t]*\n" nil t)
2708 (replace-match "" t t))
2710 ;; Correct Newsgroups and Followup-To headers: Change sequence of
2711 ;; spaces to comma and eliminate spaces around commas. Eliminate
2712 ;; embedded line breaks.
2713 (goto-char (point-min))
2714 (while (re-search-forward "^\\(Newsgroups\\|Followup-To\\): +" nil t)
2718 (if (re-search-forward "^[^ \t]" nil t)
2722 (goto-char (point-min))
2723 (while (re-search-forward "\n[ \t]+" nil t)
2724 (replace-match " " t t)) ;No line breaks (too confusing)
2725 (goto-char (point-min))
2726 (while (re-search-forward "[ \t\n]*,[ \t\n]*\\|[ \t]+" nil t)
2727 (replace-match "," t t))
2728 (goto-char (point-min))
2729 ;; Remove trailing commas.
2730 (when (re-search-forward ",+$" nil t)
2731 (replace-match "" t t))))))
2733 (defun message-make-date (&optional now)
2734 "Make a valid data header.
2735 If NOW, use that time instead."
2736 (let* ((now (or now (current-time)))
2737 (zone (nth 8 (decode-time now)))
2741 (setq zone (- zone)))
2743 (format-time-string "%d" now)
2744 ;; The month name of the %b spec is locale-specific. Pfff.
2746 (capitalize (car (rassoc (nth 4 (decode-time now))
2747 parse-time-months))))
2748 (format-time-string "%Y %H:%M:%S " now)
2749 ;; We do all of this because XEmacs doesn't have the %z spec.
2750 (format "%s%02d%02d" sign (/ zone 3600) (/ (% zone 3600) 60)))))
2752 (defun message-make-message-id ()
2753 "Make a unique Message-ID."
2754 (concat "<" (message-unique-id)
2755 (let ((psubject (save-excursion (message-fetch-field "subject")))
2757 (save-excursion (message-fetch-field "supersedes"))))
2759 (and message-reply-headers
2760 (mail-header-references message-reply-headers)
2761 (mail-header-subject message-reply-headers)
2763 (mail-header-subject message-reply-headers)
2765 (message-strip-subject-re
2766 (mail-header-subject message-reply-headers))
2767 (message-strip-subject-re psubject))))
2769 (string-match "_-_@" psupersedes)))
2771 "@" (message-make-fqdn) ">"))
2773 (defvar message-unique-id-char nil)
2775 ;; If you ever change this function, make sure the new version
2776 ;; cannot generate IDs that the old version could.
2777 ;; You might for example insert a "." somewhere (not next to another dot
2778 ;; or string boundary), or modify the "fsf" string.
2779 (defun message-unique-id ()
2780 ;; Don't use microseconds from (current-time), they may be unsupported.
2781 ;; Instead we use this randomly inited counter.
2782 (setq message-unique-id-char
2783 (% (1+ (or message-unique-id-char (logand (random t) (1- (lsh 1 20)))))
2784 ;; (current-time) returns 16-bit ints,
2785 ;; and 2^16*25 just fits into 4 digits i base 36.
2787 (let ((tm (current-time)))
2789 (if (memq system-type '(ms-dos emx vax-vms))
2790 (let ((user (downcase (user-login-name))))
2791 (while (string-match "[^a-z0-9_]" user)
2792 (aset user (match-beginning 0) ?_))
2794 (message-number-base36 (user-uid) -1))
2795 (message-number-base36 (+ (car tm)
2796 (lsh (% message-unique-id-char 25) 16)) 4)
2797 (message-number-base36 (+ (nth 1 tm)
2798 (lsh (/ message-unique-id-char 25) 16)) 4)
2799 ;; Append the newsreader name, because while the generated
2800 ;; ID is unique to this newsreader, other newsreaders might
2801 ;; otherwise generate the same ID via another algorithm.
2804 (defun message-number-base36 (num len)
2809 (concat (message-number-base36 (/ num 36) (1- len))
2810 (char-to-string (aref "zyxwvutsrqponmlkjihgfedcba9876543210"
2813 (defun message-make-organization ()
2814 "Make an Organization header."
2815 (let* ((organization
2816 (when message-user-organization
2817 (if (message-functionp message-user-organization)
2818 (funcall message-user-organization)
2819 message-user-organization))))
2821 (message-set-work-buffer)
2822 (cond ((stringp organization)
2823 (insert organization))
2824 ((and (eq t organization)
2825 message-user-organization-file
2826 (file-exists-p message-user-organization-file))
2827 (insert-file-contents message-user-organization-file)))
2828 (goto-char (point-min))
2829 (while (re-search-forward "[\t\n]+" nil t)
2830 (replace-match "" t t))
2831 (unless (zerop (buffer-size))
2834 (defun message-make-lines ()
2835 "Count the number of lines and return numeric string."
2839 (goto-char (point-min))
2841 (concat "^" (regexp-quote mail-header-separator) "$"))
2843 (int-to-string (count-lines (point) (point-max))))))
2845 (defun message-make-in-reply-to ()
2846 "Return the In-Reply-To header for this message."
2847 (when message-reply-headers
2848 (let ((from (mail-header-from message-reply-headers))
2849 (date (mail-header-date message-reply-headers)))
2852 (string-match " *at \\| *@ \\| *(\\| *<" from)))
2853 (concat (if (and stop-pos
2854 (not (zerop stop-pos)))
2855 (substring from 0 stop-pos) from)
2857 (if (or (not date) (string= date ""))
2858 "(unknown date)" date)
2861 (defun message-make-distribution ()
2862 "Make a Distribution header."
2863 (let ((orig-distribution (message-fetch-reply-field "distribution")))
2864 (cond ((message-functionp message-distribution-function)
2865 (funcall message-distribution-function))
2866 (t orig-distribution))))
2868 (defun message-make-expires ()
2869 "Return an Expires header based on `message-expires'."
2870 (let ((current (current-time))
2871 (future (* 1.0 message-expires 60 60 24)))
2872 ;; Add the future to current.
2873 (setcar current (+ (car current) (round (/ future (expt 2 16)))))
2874 (setcar (cdr current) (+ (nth 1 current) (% (round future) (expt 2 16))))
2875 (message-make-date current)))
2877 (defun message-make-path ()
2879 (let ((login-name (user-login-name)))
2880 (cond ((null message-user-path)
2881 (concat (system-name) "!" login-name))
2882 ((stringp message-user-path)
2883 ;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com.
2884 (concat message-user-path "!" login-name))
2887 (defun message-make-from ()
2888 "Make a From header."
2889 (let* ((style message-from-style)
2890 (login (message-make-address))
2892 (or (and (boundp 'user-full-name)
2895 (when (string= fullname "&")
2896 (setq fullname (user-login-name)))
2898 (message-set-work-buffer)
2901 (equal fullname ""))
2903 ((or (eq style 'angles)
2904 (and (not (eq style 'parens))
2905 ;; Use angles if no quoting is needed, or if parens would
2906 ;; need quoting too.
2907 (or (not (string-match "[^- !#-'*+/-9=?A-Z^-~]" fullname))
2908 (let ((tmp (concat fullname nil)))
2909 (while (string-match "([^()]*)" tmp)
2910 (aset tmp (match-beginning 0) ?-)
2911 (aset tmp (1- (match-end 0)) ?-))
2912 (string-match "[\\()]" tmp)))))
2914 (goto-char (point-min))
2915 ;; Look for a character that cannot appear unquoted
2916 ;; according to RFC 822.
2917 (when (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" nil 1)
2918 ;; Quote fullname, escaping specials.
2919 (goto-char (point-min))
2921 (while (re-search-forward "[\"\\]" nil 1)
2922 (replace-match "\\\\\\&" t))
2924 (insert " <" login ">"))
2925 (t ; 'parens or default
2927 (let ((fullname-start (point)))
2929 (goto-char fullname-start)
2930 ;; RFC 822 says \ and nonmatching parentheses
2931 ;; must be escaped in comments.
2932 ;; Escape every instance of ()\ ...
2933 (while (re-search-forward "[()\\]" nil 1)
2934 (replace-match "\\\\\\&" t))
2935 ;; ... then undo escaping of matching parentheses,
2936 ;; including matching nested parentheses.
2937 (goto-char fullname-start)
2938 (while (re-search-forward
2939 "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
2941 (replace-match "\\1(\\3)" t)
2942 (goto-char fullname-start)))
2946 (defun message-make-sender ()
2947 "Return the \"real\" user address.
2948 This function tries to ignore all user modifications, and
2949 give as trustworthy answer as possible."
2950 (concat (user-login-name) "@" (system-name)))
2952 (defun message-make-address ()
2953 "Make the address of the user."
2954 (or (message-user-mail-address)
2955 (concat (user-login-name) "@" (message-make-domain))))
2957 (defun message-user-mail-address ()
2958 "Return the pertinent part of `user-mail-address'."
2959 (when user-mail-address
2960 (if (string-match " " user-mail-address)
2961 (nth 1 (mail-extract-address-components user-mail-address))
2962 user-mail-address)))
2964 (defun message-make-fqdn ()
2965 "Return user's fully qualified domain name."
2966 (let ((system-name (system-name))
2967 (user-mail (message-user-mail-address)))
2969 ((string-match "[^.]\\.[^.]" system-name)
2970 ;; `system-name' returned the right result.
2972 ;; Try `mail-host-address'.
2973 ((and (boundp 'mail-host-address)
2974 (stringp mail-host-address)
2975 (string-match "\\." mail-host-address))
2977 ;; We try `user-mail-address' as a backup.
2979 (string-match "\\." user-mail)
2980 (string-match "@\\(.*\\)\\'" user-mail))
2981 (match-string 1 user-mail))
2982 ;; Default to this bogus thing.
2984 (concat system-name ".i-did-not-set--mail-host-address--so-shoot-me")))))
2986 (defun message-make-host-name ()
2987 "Return the name of the host."
2988 (let ((fqdn (message-make-fqdn)))
2989 (string-match "^[^.]+\\." fqdn)
2990 (substring fqdn 0 (1- (match-end 0)))))
2992 (defun message-make-domain ()
2993 "Return the domain name."
2994 (or mail-host-address
2995 (message-make-fqdn)))
2997 (defun message-generate-headers (headers)
2998 "Prepare article HEADERS.
2999 Headers already prepared in the buffer are not modified."
3001 (message-narrow-to-headers)
3002 (let* ((Date (message-make-date))
3003 (Message-ID (message-make-message-id))
3004 (Organization (message-make-organization))
3005 (From (message-make-from))
3006 (Path (message-make-path))
3009 (In-Reply-To (message-make-in-reply-to))
3011 (Distribution (message-make-distribution))
3012 (Lines (message-make-lines))
3013 (User-Agent message-newsreader)
3014 (Expires (message-make-expires))
3015 (case-fold-search t)
3017 ;; First we remove any old generated headers.
3018 (let ((headers message-deletable-headers))
3019 (unless (buffer-modified-p)
3020 (setq headers (delq 'Message-ID (copy-sequence headers))))
3022 (goto-char (point-min))
3023 (and (re-search-forward
3024 (concat "^" (symbol-name (car headers)) ": *") nil t)
3025 (get-text-property (1+ (match-beginning 0)) 'message-deletable)
3026 (message-delete-line))
3028 ;; Go through all the required headers and see if they are in the
3029 ;; articles already. If they are not, or are empty, they are
3030 ;; inserted automatically - except for Subject, Newsgroups and
3033 (goto-char (point-min))
3034 (setq elem (pop headers))
3036 (if (eq (car elem) 'optional)
3037 (setq header (cdr elem))
3038 (setq header (car elem)))
3040 (when (or (not (re-search-forward
3044 (if (stringp header)
3046 (symbol-name header))))
3050 ;; The header was found. We insert a space after the
3051 ;; colon, if there is none.
3052 (if (/= (char-after) ? ) (insert " ") (forward-char 1))
3053 ;; Find out whether the header is empty...
3054 (looking-at "[ \t]*\n[^ \t]")))
3055 ;; So we find out what value we should insert.
3058 ((and (consp elem) (eq (car elem) 'optional))
3059 ;; This is an optional header. If the cdr of this
3060 ;; is something that is nil, then we do not insert
3062 (setq header (cdr elem))
3063 (or (and (fboundp (cdr elem)) (funcall (cdr elem)))
3064 (and (boundp (cdr elem)) (symbol-value (cdr elem)))))
3066 ;; The element is a cons. Either the cdr is a
3067 ;; string to be inserted verbatim, or it is a
3068 ;; function, and we insert the value returned from
3070 (or (and (stringp (cdr elem)) (cdr elem))
3071 (and (fboundp (cdr elem)) (funcall (cdr elem)))))
3072 ((and (boundp header) (symbol-value header))
3073 ;; The element is a symbol. We insert the value
3074 ;; of this symbol, if any.
3075 (symbol-value header))
3077 ;; We couldn't generate a value for this header,
3078 ;; so we just ask the user.
3079 (read-from-minibuffer
3080 (format "Empty header for %s; enter value: " header)))))
3081 ;; Finally insert the header.
3083 (not (equal value "")))
3087 ;; This header didn't exist, so we insert it.
3088 (goto-char (point-max))
3089 (insert (if (stringp header) header (symbol-name header))
3092 ;; The value of this header was empty, so we clear
3093 ;; totally and insert the new value.
3094 (delete-region (point) (gnus-point-at-eol))
3096 ;; Add the deletable property to the headers that require it.
3097 (and (memq header message-deletable-headers)
3098 (progn (beginning-of-line) (looking-at "[^:]+: "))
3099 (add-text-properties
3100 (point) (match-end 0)
3101 '(message-deletable t face italic) (current-buffer)))))))
3102 ;; Insert new Sender if the From is strange.
3103 (let ((from (message-fetch-field "from"))
3104 (sender (message-fetch-field "sender"))
3105 (secure-sender (message-make-sender)))
3107 (not (message-check-element 'sender))
3110 (cadr (mail-extract-address-components from)))
3111 (downcase secure-sender)))
3116 (cadr (mail-extract-address-components sender)))
3117 (downcase secure-sender)))))
3118 (goto-char (point-min))
3119 ;; Rename any old Sender headers to Original-Sender.
3120 (when (re-search-forward "^\\(Original-\\)*Sender:" nil t)
3122 (insert "Original-")
3123 (beginning-of-line))
3124 (when (or (message-news-p)
3125 (string-match "@.+\\.." secure-sender))
3126 (insert "Sender: " secure-sender "\n")))))))
3128 (defun message-insert-courtesy-copy ()
3129 "Insert a courtesy message in mail copies of combined messages."
3133 (message-narrow-to-headers)
3134 (when (setq newsgroups (message-fetch-field "newsgroups"))
3135 (goto-char (point-max))
3136 (insert "Posted-To: " newsgroups "\n")))
3138 (when message-courtesy-message
3140 ((string-match "%s" message-courtesy-message)
3141 (insert (format message-courtesy-message newsgroups)))
3143 (insert message-courtesy-message)))))))
3146 ;;; Setting up a message buffer
3149 (defun message-fill-address (header value)
3151 (narrow-to-region (point) (point))
3152 (insert (capitalize (symbol-name header))
3154 (if (consp value) (car value) value)
3156 (narrow-to-region (point-min) (1- (point-max)))
3158 (goto-char (point-min))
3160 (skip-chars-forward "^,\"" (point-max))
3161 (if (or (eq (char-after) ?,)
3164 (if (and (> (current-column) 78)
3170 (setq last (1+ (point))))
3171 (setq last (1+ (point)))))
3172 (setq quoted (not quoted)))
3175 (goto-char (point-max))
3179 (defun message-fill-header (header value)
3180 (let ((begin (point))
3183 (insert (capitalize (symbol-name header))
3185 (if (consp value) (car value) value)
3188 (narrow-to-region begin (point))
3189 (fill-region-as-paragraph begin (point))
3190 ;; Tapdance around looong Message-IDs.
3192 (when (looking-at "[ \t]*$")
3193 (message-delete-line))
3195 (re-search-forward ":" nil t)
3196 (when (looking-at "\n[ \t]+")
3197 (replace-match " " t t))
3198 (goto-char (point-max)))))
3200 (defun message-shorten-1 (list cut surplus)
3201 ;; Cut SURPLUS elements out of LIST, beginning with CUTth one.
3202 (setcdr (nthcdr (- cut 2) list)
3203 (nthcdr (+ (- cut 2) surplus 1) list)))
3205 (defun message-shorten-references (header references)
3206 "Trim REFERENCES to be less than 31 Message-ID long, and fold them.
3207 If folding is disallowed, also check that the REFERENCES are less
3208 than 988 characters long, and if they are not, trim them until they are."
3215 (goto-char (point-min))
3216 ;; Cons a list of valid references.
3217 (while (re-search-forward "<[^>]+>" nil t)
3218 (push (match-string 0) refs))
3219 (setq refs (nreverse refs)
3220 count (length refs)))
3222 ;; If the list has more than MAXCOUNT elements, trim it by
3223 ;; removing the CUTth element and the required number of
3224 ;; elements that follow.
3225 (when (> count maxcount)
3226 (let ((surplus (- count maxcount)))
3227 (message-shorten-1 refs cut surplus)
3228 (decf count surplus)))
3230 ;; If folding is disallowed, make sure the total length (including
3231 ;; the spaces between) will be less than MAXSIZE characters.
3232 (when message-cater-to-broken-inn
3234 (totalsize (+ (apply #'+ (mapcar #'length refs))
3237 (ptr (nthcdr (1- cut) refs)))
3238 ;; Decide how many elements to cut off...
3239 (while (> totalsize maxsize)
3240 (decf totalsize (1+ (length (car ptr))))
3242 (setq ptr (cdr ptr)))
3245 (message-shorten-1 refs cut surplus))))
3247 ;; Finally, collect the references back into a string and insert
3248 ;; it into the buffer.
3249 (let ((refstring (mapconcat #'identity refs " ")))
3250 (if message-cater-to-broken-inn
3251 (insert (capitalize (symbol-name header)) ": "
3253 (message-fill-header header refstring)))))
3255 (defun message-position-point ()
3256 "Move point to where the user probably wants to find it."
3257 (message-narrow-to-headers)
3259 ((re-search-forward "^[^:]+:[ \t]*$" nil t)
3260 (search-backward ":" )
3263 (if (eq (char-after) ? )
3267 (goto-char (point-max))
3270 (unless (looking-at "$")
3274 (defun message-buffer-name (type &optional to group)
3275 "Return a new (unique) buffer name based on TYPE and TO."
3277 ;; Generate a new buffer name The Message Way.
3278 ((eq message-generate-new-buffers 'unique)
3279 (generate-new-buffer-name
3283 (or (car (mail-extract-address-components to))
3286 (if (and group (not (string= group ""))) (concat " on " group) "")
3288 ;; Check whether `message-generate-new-buffers' is a function,
3289 ;; and if so, call it.
3290 ((message-functionp message-generate-new-buffers)
3291 (funcall message-generate-new-buffers type to group))
3292 ((eq message-generate-new-buffers 'unsent)
3293 (generate-new-buffer-name
3294 (concat "*unsent " type
3297 (or (car (mail-extract-address-components to))
3300 (if (and group (not (string= group ""))) (concat " on " group) "")
3302 ;; Use standard name.
3304 (format "*%s message*" type))))
3306 (defun message-pop-to-buffer (name)
3307 "Pop to buffer NAME, and warn if it already exists and is modified."
3308 (let ((buffer (get-buffer name)))
3310 (buffer-name buffer))
3312 (set-buffer (pop-to-buffer buffer))
3313 (when (and (buffer-modified-p)
3315 "Message already being composed; erase? ")))
3316 (error "Message being composed")))
3317 (set-buffer (pop-to-buffer name)))
3321 (defun message-do-send-housekeeping ()
3322 "Kill old message buffers."
3323 ;; We might have sent this buffer already. Delete it from the
3325 (setq message-buffer-list (delq (current-buffer) message-buffer-list))
3326 (while (and message-max-buffers
3328 (>= (length message-buffer-list) message-max-buffers))
3329 ;; Kill the oldest buffer -- unless it has been changed.
3330 (let ((buffer (pop message-buffer-list)))
3331 (when (and (buffer-name buffer)
3332 (not (buffer-modified-p buffer)))
3333 (kill-buffer buffer))))
3334 ;; Rename the buffer.
3335 (if message-send-rename-function
3336 (funcall message-send-rename-function)
3337 (when (string-match "\\`\\*\\(unsent \\)?" (buffer-name))
3339 (concat "*sent " (substring (buffer-name) (match-end 0))) t)))
3340 ;; Push the current buffer onto the list.
3341 (when message-max-buffers
3342 (setq message-buffer-list
3343 (nconc message-buffer-list (list (current-buffer))))))
3345 (defvar mc-modes-alist)
3346 (defun message-setup (headers &optional replybuffer actions)
3347 (when (and (boundp 'mc-modes-alist)
3348 (not (assq 'message-mode mc-modes-alist)))
3349 (push '(message-mode (encrypt . mc-encrypt-message)
3350 (sign . mc-sign-message))
3353 (setq message-send-actions actions))
3354 (setq message-reply-buffer replybuffer)
3355 (goto-char (point-min))
3356 ;; Insert all the headers.
3359 (alist message-header-format-alist))
3361 (unless (assq (caar h) message-header-format-alist)
3362 (push (list (caar h)) alist))
3366 (delete-region (point) (progn (forward-line -1) (point)))
3367 (when message-default-headers
3368 (insert message-default-headers)
3369 (or (bolp) (insert ?\n)))
3373 (insert mail-header-separator "\n")
3377 (when (message-news-p)
3378 (when message-default-news-headers
3379 (insert message-default-news-headers)
3380 (or (bolp) (insert ?\n)))
3381 (when message-generate-headers-first
3382 (message-generate-headers
3385 (copy-sequence message-required-news-headers))))))
3386 (when (message-mail-p)
3387 (when message-default-mail-headers
3388 (insert message-default-mail-headers)
3389 (or (bolp) (insert ?\n)))
3390 (when message-generate-headers-first
3391 (message-generate-headers
3394 (copy-sequence message-required-mail-headers))))))
3395 (run-hooks 'message-signature-setup-hook)
3396 (message-insert-signature)
3398 (message-narrow-to-headers)
3399 (run-hooks 'message-header-setup-hook))
3400 (set-buffer-modified-p nil)
3401 (setq buffer-undo-list nil)
3402 (run-hooks 'message-setup-hook)
3403 (message-position-point)
3406 (defun message-set-auto-save-file-name ()
3407 "Associate the message buffer with a file in the drafts directory."
3408 (when message-auto-save-directory
3410 (setq message-draft-article
3411 (nndraft-request-associate-buffer "drafts"))
3412 (setq buffer-file-name (expand-file-name "*message*"
3413 message-auto-save-directory))
3414 (setq buffer-auto-save-file-name (make-auto-save-file-name)))
3415 (clear-visited-file-modtime)
3416 (setq buffer-file-coding-system message-draft-coding-system)))
3418 (defun message-disassociate-draft ()
3419 "Disassociate the message buffer from the drafts directory."
3420 (when message-draft-article
3421 (nndraft-request-expire-articles
3422 (list message-draft-article) "drafts" nil t)))
3424 (defun message-insert-headers ()
3425 "Generate the headers for the article."
3429 (message-narrow-to-headers)
3430 (when (message-news-p)
3431 (message-generate-headers
3434 (copy-sequence message-required-news-headers)))))
3435 (when (message-mail-p)
3436 (message-generate-headers
3439 (copy-sequence message-required-mail-headers))))))))
3444 ;;; Commands for interfacing with message
3448 (defun message-mail (&optional to subject
3449 other-headers continue switch-function
3450 yank-action send-actions)
3451 "Start editing a mail message to be sent.
3452 OTHER-HEADERS is an alist of header/value pairs."
3454 (let ((message-this-is-mail t))
3455 (message-pop-to-buffer (message-buffer-name "mail" to))
3458 `((To . ,(or to "")) (Subject . ,(or subject "")))
3459 (when other-headers other-headers)))))
3462 (defun message-news (&optional newsgroups subject)
3463 "Start editing a news article to be sent."
3465 (let ((message-this-is-news t))
3466 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups))
3467 (message-setup `((Newsgroups . ,(or newsgroups ""))
3468 (Subject . ,(or subject ""))))))
3471 (defun message-reply (&optional to-address wide)
3472 "Start editing a reply to the article in the current buffer."
3474 (let ((cur (current-buffer))
3475 from subject date reply-to to cc
3476 references message-id follow-to
3477 (inhibit-point-motion-hooks t)
3478 (message-this-is-mail t)
3479 mct never-mct gnus-warning)
3481 (message-narrow-to-head)
3482 ;; Allow customizations to have their say.
3484 ;; This is a regular reply.
3485 (if (message-functionp message-reply-to-function)
3486 (setq follow-to (funcall message-reply-to-function)))
3487 ;; This is a followup.
3488 (if (message-functionp message-wide-reply-to-function)
3491 (funcall message-wide-reply-to-function)))))
3492 ;; Find all relevant headers we need.
3493 (setq from (message-fetch-field "from")
3494 date (message-fetch-field "date")
3495 subject (or (message-fetch-field "subject") "none")
3496 to (message-fetch-field "to")
3497 cc (message-fetch-field "cc")
3498 mct (message-fetch-field "mail-copies-to")
3499 reply-to (message-fetch-field "reply-to")
3500 references (message-fetch-field "references")
3501 message-id (message-fetch-field "message-id" t))
3502 ;; Remove any (buggy) Re:'s that are present and make a
3504 (when (string-match message-subject-re-regexp subject)
3505 (setq subject (substring subject (match-end 0))))
3506 (setq subject (concat "Re: " subject))
3508 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
3509 (string-match "<[^>]+>" gnus-warning))
3510 (setq message-id (match-string 0 gnus-warning)))
3512 ;; Handle special values of Mail-Copies-To.
3514 (cond ((or (equal (downcase mct) "never")
3515 (equal (downcase mct) "nobody"))
3518 ((or (equal (downcase mct) "always")
3519 (equal (downcase mct) "poster"))
3520 (setq mct (or reply-to from)))))
3526 (setq follow-to (list (cons 'To (or to-address reply-to from))))
3527 (when (and wide mct)
3528 (push (cons 'Cc mct) follow-to)))
3531 (message-set-work-buffer)
3533 (insert (or reply-to from "")))
3534 (insert (if to (concat (if (bolp) "" ", ") to "") ""))
3535 (insert (if mct (concat (if (bolp) "" ", ") mct) ""))
3536 (insert (if cc (concat (if (bolp) "" ", ") cc) ""))
3537 (goto-char (point-min))
3538 (while (re-search-forward "[ \t]+" nil t)
3539 (replace-match " " t t))
3540 ;; Remove addresses that match `rmail-dont-reply-to-names'.
3541 (let ((rmail-dont-reply-to-names message-dont-reply-to-names))
3542 (insert (prog1 (rmail-dont-reply-to (buffer-string))
3544 (goto-char (point-min))
3545 ;; Perhaps Mail-Copies-To: never removed the only address?
3547 (insert (or reply-to from "")))
3551 (cons (mail-strip-quoted-names addr) addr))
3552 (message-tokenize-header (buffer-string))))
3555 (setq ccalist (delq (assoc (car (pop s)) s) ccalist)))))
3556 (setq follow-to (list (cons 'To (cdr (pop ccalist)))))
3558 (let ((ccs (cons 'Cc (mapconcat
3559 (lambda (addr) (cdr addr)) ccalist ", "))))
3560 (when (string-match "^ +" (cdr ccs))
3561 (setcdr ccs (substring (cdr ccs) (match-end 0))))
3562 (push ccs follow-to))))))
3565 (message-pop-to-buffer (message-buffer-name
3566 (if wide "wide reply" "reply") from
3567 (if wide to-address nil)))
3569 (setq message-reply-headers
3570 (vector 0 subject from date message-id references 0 0 ""))
3573 `((Subject . ,subject)
3575 ,@(if (or references message-id)
3576 `((References . ,(concat (or references "") (and references " ")
3577 (or message-id ""))))
3582 (defun message-wide-reply (&optional to-address)
3583 "Make a \"wide\" reply to the message in the current buffer."
3585 (message-reply to-address t))
3588 (defun message-followup (&optional to-newsgroups)
3589 "Follow up to the message in the current buffer.
3590 If TO-NEWSGROUPS, use that as the new Newsgroups line."
3592 (let ((cur (current-buffer))
3593 from subject date reply-to mct
3594 references message-id follow-to
3595 (inhibit-point-motion-hooks t)
3596 (message-this-is-news t)
3597 followup-to distribution newsgroups gnus-warning posted-to)
3600 (goto-char (point-min))
3601 (if (search-forward "\n\n" nil t)
3604 (when (message-functionp message-followup-to-function)
3606 (funcall message-followup-to-function)))
3607 (setq from (message-fetch-field "from")
3608 date (message-fetch-field "date")
3609 subject (or (message-fetch-field "subject") "none")
3610 references (message-fetch-field "references")
3611 message-id (message-fetch-field "message-id" t)
3612 followup-to (message-fetch-field "followup-to")
3613 newsgroups (message-fetch-field "newsgroups")
3614 posted-to (message-fetch-field "posted-to")
3615 reply-to (message-fetch-field "reply-to")
3616 distribution (message-fetch-field "distribution")
3617 mct (message-fetch-field "mail-copies-to"))
3618 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
3619 (string-match "<[^>]+>" gnus-warning))
3620 (setq message-id (match-string 0 gnus-warning)))
3621 ;; Remove bogus distribution.
3622 (when (and (stringp distribution)
3623 (let ((case-fold-search t))
3624 (string-match "world" distribution)))
3625 (setq distribution nil))
3626 ;; Remove any (buggy) Re:'s that are present and make a
3628 (when (string-match message-subject-re-regexp subject)
3629 (setq subject (substring subject (match-end 0))))
3630 (setq subject (concat "Re: " subject))
3633 (message-pop-to-buffer (message-buffer-name "followup" from newsgroups))
3636 `((Subject . ,subject)
3639 (list (cons 'Newsgroups to-newsgroups)))
3640 (follow-to follow-to)
3641 ((and followup-to message-use-followup-to)
3644 ((equal (downcase followup-to) "poster")
3645 (if (or (eq message-use-followup-to 'use)
3646 (message-y-or-n-p "Obey Followup-To: poster? " t "\
3647 You should normally obey the Followup-To: header.
3649 `Followup-To: poster' sends your response via e-mail instead of news.
3651 A typical situation where `Followup-To: poster' is used is when the poster
3652 does not read the newsgroup, so he wouldn't see any replies sent to it."))
3654 (setq message-this-is-news nil)
3655 (cons 'To (or reply-to from "")))
3656 (cons 'Newsgroups newsgroups)))
3658 (if (or (equal followup-to newsgroups)
3659 (not (eq message-use-followup-to 'ask))
3661 (concat "Obey Followup-To: " followup-to "? ") t "\
3662 You should normally obey the Followup-To: header.
3664 `Followup-To: " followup-to "'
3665 directs your response to " (if (string-match "," followup-to)
3666 "the specified newsgroups"
3667 "that newsgroup only") ".
3669 If a message is posted to several newsgroups, Followup-To is often
3670 used to direct the following discussion to one newsgroup only,
3671 because discussions that are spread over several newsgroup tend to
3672 be fragmented and very difficult to follow.
3674 Also, some source/announcement newsgroups are not indented for discussion;
3675 responses here are directed to other newsgroups."))
3676 (cons 'Newsgroups followup-to)
3677 (cons 'Newsgroups newsgroups))))))
3679 `((Newsgroups . ,posted-to)))
3681 `((Newsgroups . ,newsgroups))))
3682 ,@(and distribution (list (cons 'Distribution distribution)))
3683 ,@(if (or references message-id)
3684 `((References . ,(concat (or references "") (and references " ")
3685 (or message-id "")))))
3687 (not (or (equal (downcase mct) "never")
3688 (equal (downcase mct) "nobody"))))
3689 (list (cons 'Cc (if (or (equal (downcase mct) "always")
3690 (equal (downcase mct) "poster"))
3691 (or reply-to from "")
3696 (setq message-reply-headers
3697 (vector 0 subject from date message-id references 0 0 ""))))
3701 (defun message-cancel-news ()
3702 "Cancel an article you posted."
3704 (unless (message-news-p)
3705 (error "This is not a news article; canceling is impossible"))
3706 (when (yes-or-no-p "Do you really want to cancel this article? ")
3707 (let (from newsgroups message-id distribution buf sender)
3709 ;; Get header info from original article.
3711 (message-narrow-to-head)
3712 (setq from (message-fetch-field "from")
3713 sender (message-fetch-field "sender")
3714 newsgroups (message-fetch-field "newsgroups")
3715 message-id (message-fetch-field "message-id" t)
3716 distribution (message-fetch-field "distribution")))
3717 ;; Make sure that this article was written by the user.
3718 (unless (or (and sender
3721 (downcase (message-make-sender))))
3723 (downcase (cadr (mail-extract-address-components from)))
3724 (downcase (cadr (mail-extract-address-components
3725 (message-make-from))))))
3726 (error "This article is not yours"))
3727 ;; Make control message.
3728 (setq buf (set-buffer (get-buffer-create " *message cancel*")))
3730 (insert "Newsgroups: " newsgroups "\n"
3731 "From: " (message-make-from) "\n"
3732 "Subject: cmsg cancel " message-id "\n"
3733 "Control: cancel " message-id "\n"
3735 (concat "Distribution: " distribution "\n")
3737 mail-header-separator "\n"
3738 message-cancel-message)
3739 (run-hooks 'message-cancel-hook)
3740 (message "Canceling your article...")
3741 (if (let ((message-syntax-checks
3742 'dont-check-for-anything-just-trust-me))
3743 (funcall message-send-news-function))
3744 (message "Canceling your article...done"))
3745 (kill-buffer buf)))))
3748 (defun message-supersede ()
3749 "Start composing a message to supersede the current message.
3750 This is done simply by taking the old article and adding a Supersedes
3751 header line with the old Message-ID."
3753 (let ((cur (current-buffer))
3754 (sender (message-fetch-field "sender"))
3755 (from (message-fetch-field "from")))
3756 ;; Check whether the user owns the article that is to be superseded.
3757 (unless (or (and sender
3760 (downcase (message-make-sender))))
3762 (downcase (cadr (mail-extract-address-components from)))
3763 (downcase (cadr (mail-extract-address-components
3764 (message-make-from))))))
3765 (error "This article is not yours"))
3766 ;; Get a normal message buffer.
3767 (message-pop-to-buffer (message-buffer-name "supersede"))
3768 (insert-buffer-substring cur)
3769 (message-narrow-to-head)
3770 ;; Remove unwanted headers.
3771 (when message-ignored-supersedes-headers
3772 (message-remove-header message-ignored-supersedes-headers t))
3773 (goto-char (point-min))
3774 (if (not (re-search-forward "^Message-ID: " nil t))
3775 (error "No Message-ID in this article")
3776 (replace-match "Supersedes: " t t))
3777 (goto-char (point-max))
3778 (insert mail-header-separator)
3783 (defun message-recover ()
3784 "Reread contents of current buffer from its last auto-save file."
3786 (let ((file-name (make-auto-save-file-name)))
3787 (cond ((save-window-excursion
3788 (if (not (eq system-type 'vax-vms))
3789 (with-output-to-temp-buffer "*Directory*"
3790 (buffer-disable-undo standard-output)
3791 (let ((default-directory "/"))
3793 "ls" nil standard-output nil "-l" file-name))))
3794 (yes-or-no-p (format "Recover auto save file %s? " file-name)))
3795 (let ((buffer-read-only nil))
3797 (insert-file-contents file-name nil)))
3798 (t (error "message-recover cancelled")))))
3800 ;;; Washing Subject:
3802 (defun message-wash-subject (subject)
3803 "Remove junk like \"Re:\", \"(fwd)\", etc. that was added to the subject by previous forwarders, replyers, etc."
3805 (insert-string subject)
3806 (goto-char (point-min))
3807 ;; strip Re/Fwd stuff off the beginning
3808 (while (re-search-forward
3809 "\\([Rr][Ee]:\\|[Ff][Ww][Dd]\\(\\[[0-9]*\\]\\)?:\\|[Ff][Ww]:\\)" nil t)
3812 ;; and gnus-style forwards [foo@bar.com] subject
3813 (goto-char (point-min))
3814 (while (re-search-forward "\\[[^ \t]*\\(@\\|\\.\\)[^ \t]*\\]" nil t)
3818 (goto-char (point-max))
3819 (while (re-search-backward "([Ff][Ww][Dd])" nil t)
3822 ;; and finally, any whitespace that was left-over
3823 (goto-char (point-min))
3824 (while (re-search-forward "^[ \t]+" nil t)
3826 (goto-char (point-max))
3827 (while (re-search-backward "[ \t]+$" nil t)
3832 ;;; Forwarding messages.
3834 (defun message-forward-subject-author-subject (subject)
3835 "Generate a subject for a forwarded message.
3836 The form is: [Source] Subject, where if the original message was mail,
3837 Source is the sender, and if the original message was news, Source is
3838 the list of newsgroups is was posted to."
3840 (or (message-fetch-field
3841 (if (message-news-p) "newsgroups" "from"))
3845 (defun message-forward-subject-fwd (subject)
3846 "Generate a subject for a forwarded message.
3847 The form is: Fwd: Subject, where Subject is the original subject of
3849 (concat "Fwd: " subject))
3851 (defun message-make-forward-subject ()
3852 "Return a Subject header suitable for the message in the current buffer."
3856 (message-narrow-to-head)
3857 (let ((funcs message-make-forward-subject-function)
3858 (subject (if message-wash-forwarded-subjects
3859 (message-wash-subject
3860 (or (message-fetch-field "Subject") ""))
3861 (or (message-fetch-field "Subject") ""))))
3862 ;; Make sure funcs is a list.
3865 (setq funcs (list funcs)))
3866 ;; Apply funcs in order, passing subject generated by previous
3867 ;; func to the next one.
3869 (when (message-functionp (car funcs))
3870 (setq subject (funcall (car funcs) subject)))
3871 (setq funcs (cdr funcs)))
3875 (defun message-forward (&optional news)
3876 "Forward the current message via mail.
3877 Optional NEWS will use news to forward instead of mail."
3879 (let ((cur (current-buffer))
3880 (subject (message-make-forward-subject))
3883 (message-news nil subject)
3884 (message-mail nil subject))
3885 ;; Put point where we want it before inserting the forwarded
3888 (if message-forward-as-mime
3889 (insert "\n\n<#part type=message/rfc822 disposition=inline>\n")
3893 (mml-insert-buffer cur)
3895 (and message-forward-as-mime
3896 (insert "<#/part>\n"))
3897 (when (and (not current-prefix-arg)
3898 message-forward-ignored-headers)
3900 (narrow-to-region b e)
3902 (narrow-to-region (point) (or (search-forward "\n\n" nil t) (point)))
3903 (message-remove-header message-forward-ignored-headers t))))
3904 (message-position-point)))
3907 (defun message-resend (address)
3908 "Resend the current article to ADDRESS."
3910 (list (message-read-from-minibuffer "Resend message to: ")))
3911 (message "Resending message to %s..." address)
3913 (let ((cur (current-buffer))
3915 ;; We first set up a normal mail buffer.
3916 (set-buffer (get-buffer-create " *message resend*"))
3918 (message-setup `((To . ,address)))
3919 ;; Insert our usual headers.
3920 (message-generate-headers '(From Date To))
3921 (message-narrow-to-headers)
3922 ;; Rename them all to "Resent-*".
3923 (while (re-search-forward "^[A-Za-z]" nil t)
3928 (delete-region (point) (point-max))
3930 ;; Insert the message to be resent.
3931 (insert-buffer-substring cur)
3932 (goto-char (point-min))
3933 (search-forward "\n\n")
3936 (narrow-to-region beg (point))
3937 (message-remove-header message-ignored-resent-headers t)
3938 (goto-char (point-max)))
3939 (insert mail-header-separator)
3940 ;; Rename all old ("Also-")Resent headers.
3941 (while (re-search-backward "^\\(Also-\\)*Resent-" beg t)
3944 ;; Quote any "From " lines at the beginning.
3946 (when (looking-at "From ")
3947 (replace-match "X-From-Line: "))
3949 (let ((message-inhibit-body-encoding t)
3950 message-required-mail-headers)
3951 (message-send-mail))
3952 (kill-buffer (current-buffer)))
3953 (message "Resending message to %s...done" address)))
3956 (defun message-bounce ()
3957 "Re-mail the current message.
3958 This only makes sense if the current message is a bounce message than
3959 contains some mail you have written which has been bounced back to
3962 (let ((handles (mm-dissect-buffer t))
3964 (message-pop-to-buffer (message-buffer-name "bounce"))
3965 (if (stringp (car handles))
3966 ;; This is a MIME bounce.
3967 (mm-insert-part (car (last handles)))
3968 ;; This is a non-MIME bounce, so we try to remove things
3970 (mm-insert-part handles)
3972 (goto-char (point-min))
3973 (search-forward "\n\n" nil t)
3974 (or (and (re-search-forward message-unsent-separator nil t)
3976 (re-search-forward "^Return-Path:.*\n" nil t))
3977 ;; We remove everything before the bounced mail.
3980 (if (re-search-forward "^[^ \n\t]+:" nil t)
3984 (message-narrow-to-head)
3985 (message-remove-header message-ignored-bounced-headers t)
3986 (goto-char (point-max))
3987 (insert mail-header-separator))
3988 (message-position-point)))
3991 ;;; Interactive entry points for new message buffers.
3995 (defun message-mail-other-window (&optional to subject)
3996 "Like `message-mail' command, but display mail buffer in another window."
3998 (let ((pop-up-windows t)
3999 (special-display-buffer-names nil)
4000 (special-display-regexps nil)
4001 (same-window-buffer-names nil)
4002 (same-window-regexps nil))
4003 (message-pop-to-buffer (message-buffer-name "mail" to)))
4004 (let ((message-this-is-mail t))
4005 (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))))
4008 (defun message-mail-other-frame (&optional to subject)
4009 "Like `message-mail' command, but display mail buffer in another frame."
4011 (let ((pop-up-frames t)
4012 (special-display-buffer-names nil)
4013 (special-display-regexps nil)
4014 (same-window-buffer-names nil)
4015 (same-window-regexps nil))
4016 (message-pop-to-buffer (message-buffer-name "mail" to)))
4017 (let ((message-this-is-mail t))
4018 (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))))
4021 (defun message-news-other-window (&optional newsgroups subject)
4022 "Start editing a news article to be sent."
4024 (let ((pop-up-windows t)
4025 (special-display-buffer-names nil)
4026 (special-display-regexps nil)
4027 (same-window-buffer-names nil)
4028 (same-window-regexps nil))
4029 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)))
4030 (let ((message-this-is-news t))
4031 (message-setup `((Newsgroups . ,(or newsgroups ""))
4032 (Subject . ,(or subject ""))))))
4035 (defun message-news-other-frame (&optional newsgroups subject)
4036 "Start editing a news article to be sent."
4038 (let ((pop-up-frames t)
4039 (special-display-buffer-names nil)
4040 (special-display-regexps nil)
4041 (same-window-buffer-names nil)
4042 (same-window-regexps nil))
4043 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)))
4044 (let ((message-this-is-news t))
4045 (message-setup `((Newsgroups . ,(or newsgroups ""))
4046 (Subject . ,(or subject ""))))))
4050 ;; This code should be moved to underline.el (from which it is stolen).
4053 (defun bold-region (start end)
4054 "Bold all nonblank characters in the region.
4055 Works by overstriking characters.
4056 Called from program, takes two arguments START and END
4057 which specify the range to operate on."
4060 (let ((end1 (make-marker)))
4061 (move-marker end1 (max start end))
4062 (goto-char (min start end))
4063 (while (< (point) end1)
4064 (or (looking-at "[_\^@- ]")
4065 (insert (char-after) "\b"))
4066 (forward-char 1)))))
4069 (defun unbold-region (start end)
4070 "Remove all boldness (overstruck characters) in the region.
4071 Called from program, takes two arguments START and END
4072 which specify the range to operate on."
4075 (let ((end1 (make-marker)))
4076 (move-marker end1 (max start end))
4077 (goto-char (min start end))
4078 (while (re-search-forward "\b" end1 t)
4079 (if (eq (char-after) (char-after (- (point) 2)))
4080 (delete-char -2))))))
4082 (defalias 'message-exchange-point-and-mark 'exchange-point-and-mark)
4084 ;; Support for toolbar
4085 (when (string-match "XEmacs\\|Lucid" emacs-version)
4086 (require 'messagexmas))
4088 ;;; Group name completion.
4090 (defvar message-newgroups-header-regexp
4091 "^\\(Newsgroups\\|Followup-To\\|Posted-To\\|Gcc\\):"
4092 "Regexp that match headers that lists groups.")
4094 (defun message-tab ()
4095 "Expand group names in Newsgroups and Followup-To headers.
4096 Do a `tab-to-tab-stop' if not in those headers."
4098 (if (let ((mail-abbrev-mode-regexp message-newgroups-header-regexp))
4099 (mail-abbrev-in-expansion-header-p))
4100 (message-expand-group)
4103 (defvar gnus-active-hashtb)
4104 (defun message-expand-group ()
4105 "Expand the group name under point."
4106 (let* ((b (save-excursion
4111 (skip-chars-forward "^:")
4114 (skip-chars-backward "^, \t\n") (point))))
4115 (completion-ignore-case t)
4116 (string (buffer-substring b (progn (skip-chars-forward "^,\t\n ")
4118 (hashtb (and (boundp 'gnus-active-hashtb) gnus-active-hashtb))
4119 (completions (all-completions string hashtb))
4121 (delete-region b (point))
4123 ((= (length completions) 1)
4124 (if (string= (car completions) string)
4127 (message "Only matching group"))
4128 (insert (car completions))))
4129 ((and (setq comp (try-completion string hashtb))
4130 (not (string= comp string)))
4135 (message "No matching groups")
4136 (save-selected-window
4137 (pop-to-buffer "*Completions*")
4138 (buffer-disable-undo)
4139 (let ((buffer-read-only nil))
4141 (let ((standard-output (current-buffer)))
4142 (display-completion-list (sort completions 'string<)))
4143 (goto-char (point-min))
4144 (delete-region (point) (progn (forward-line 3) (point))))))))))
4148 (defun message-talkative-question (ask question show &rest text)
4149 "Call FUNCTION with argument QUESTION; optionally display TEXT... args.
4150 If SHOW is non-nil, the arguments TEXT... are displayed in a temp buffer.
4151 The following arguments may contain lists of values."
4153 (setq text (message-flatten-list text)))
4154 (save-window-excursion
4156 (with-output-to-temp-buffer " *MESSAGE information message*"
4157 (set-buffer " *MESSAGE information message*")
4158 (mapcar 'princ text)
4159 (goto-char (point-min))))
4160 (funcall ask question))
4161 (funcall ask question)))
4163 (defun message-flatten-list (list)
4164 "Return a new, flat list that contains all elements of LIST.
4166 \(message-flatten-list '(1 (2 3 (4 5 (6))) 7))
4169 (apply 'append (mapcar 'message-flatten-list list)))
4173 (defun message-generate-new-buffer-clone-locals (name &optional varstr)
4174 "Create and return a buffer with a name based on NAME using generate-new-buffer.
4175 Then clone the local variables and values from the old buffer to the
4176 new one, cloning only the locals having a substring matching the
4178 (let ((oldbuf (current-buffer)))
4180 (set-buffer (generate-new-buffer name))
4181 (message-clone-locals oldbuf varstr)
4184 (defun message-clone-locals (buffer &optional varstr)
4185 "Clone the local variables from BUFFER to the current buffer."
4186 (let ((locals (save-excursion
4188 (buffer-local-variables)))
4189 (regexp "^gnus\\|^nn\\|^message\\|^user-mail-address"))
4192 (when (and (consp local)
4194 (string-match regexp (symbol-name (car local)))
4196 (string-match varstr (symbol-name (car local)))))
4198 (set (make-local-variable (car local))
4202 ;;; Miscellaneous functions
4204 ;; stolen (and renamed) from nnheader.el
4205 (defun message-replace-chars-in-string (string from to)
4206 "Replace characters in STRING from FROM to TO."
4207 (let ((string (substring string 0)) ;Copy string.
4208 (len (length string))
4210 ;; Replace all occurrences of FROM with TO.
4212 (when (= (aref string idx) from)
4213 (aset string idx to))
4214 (setq idx (1+ idx)))
4221 (defvar message-inhibit-body-encoding nil)
4223 (defun message-encode-message-body ()
4224 (unless message-inhibit-body-encoding
4225 (let ((mail-parse-charset (or mail-parse-charset
4226 message-default-charset
4227 message-posting-charset))
4228 (case-fold-search t)
4229 lines content-type-p)
4232 (narrow-to-region (point) (point-max))
4233 (let ((new (mml-generate-mime)))
4235 (delete-region (point-min) (point-max))
4237 (goto-char (point-min))
4238 (if (eq (aref new 0) ?\n)
4240 (search-forward "\n\n")
4241 (setq lines (buffer-substring (point-min) (1- (point))))
4242 (delete-region (point-min) (point))))))
4244 (message-narrow-to-headers-or-head)
4245 (message-remove-header "Mime-Version")
4246 (goto-char (point-max))
4247 (insert "MIME-Version: 1.0\n")
4250 (setq content-type-p
4251 (re-search-backward "^Content-Type:" nil t)))
4253 (message-narrow-to-headers-or-head)
4254 (message-remove-first-header "Content-Type")
4255 (message-remove-first-header "Content-Transfer-Encoding"))
4256 ;; We always make sure that the message has a Content-Type header.
4257 ;; This is because some broken MTAs and MUAs get awfully confused
4258 ;; when confronted with a message with a MIME-Version header and
4259 ;; without a Content-Type header. For instance, Solaris'
4261 (unless content-type-p
4262 (goto-char (point-min))
4263 (re-search-forward "^MIME-Version:")
4265 (insert "Content-Type: text/plain; charset=us-ascii\n")))))
4267 (defun message-read-from-minibuffer (prompt)
4268 "Read from the minibuffer while providing abbrev expansion."
4269 (if (fboundp 'mail-abbrevs-setup)
4270 (let ((mail-abbrev-mode-regexp "")
4271 (minibuffer-setup-hook 'mail-abbrevs-setup))
4272 (read-from-minibuffer prompt)))
4273 (let ((minibuffer-setup-hook 'mail-abbrev-minibuffer-setup-hook))
4274 (read-string prompt)))
4278 (run-hooks 'message-load-hook)
4280 ;;; message.el ends here