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))
36 (if (string-match "XEmacs\\|Lucid" emacs-version)
37 (require 'mail-abbrevs)
38 (require 'mailabbrev))
44 (defgroup message '((user-mail-address custom-variable)
45 (user-full-name custom-variable))
46 "Mail and news message composing."
47 :link '(custom-manual "(message)Top")
51 (put 'user-mail-address 'custom-type 'string)
52 (put 'user-full-name 'custom-type 'string)
54 (defgroup message-various nil
55 "Various Message Variables"
56 :link '(custom-manual "(message)Various Message Variables")
59 (defgroup message-buffers nil
61 :link '(custom-manual "(message)Message Buffers")
64 (defgroup message-sending nil
66 :link '(custom-manual "(message)Sending Variables")
69 (defgroup message-interface nil
71 :link '(custom-manual "(message)Interface")
74 (defgroup message-forwarding nil
76 :link '(custom-manual "(message)Forwarding")
77 :group 'message-interface)
79 (defgroup message-insertion nil
81 :link '(custom-manual "(message)Insertion")
84 (defgroup message-headers nil
86 :link '(custom-manual "(message)Message Headers")
89 (defgroup message-news nil
90 "Composing News Messages"
93 (defgroup message-mail nil
94 "Composing Mail Messages"
97 (defgroup message-faces nil
98 "Faces used for message composing."
102 (defcustom message-directory "~/Mail/"
103 "*Directory from which all other mail file variables are derived."
104 :group 'message-various
107 (defcustom message-max-buffers 10
108 "*How many buffers to keep before starting to kill them off."
109 :group 'message-buffers
112 (defcustom message-send-rename-function nil
113 "Function called to rename the buffer after sending it."
114 :group 'message-buffers
117 (defcustom message-fcc-handler-function 'message-output
118 "*A function called to save outgoing articles.
119 This function will be called with the name of the file to store the
120 article in. The default function is `message-output' which saves in Unix
122 :type '(radio (function-item message-output)
123 (function :tag "Other"))
124 :group 'message-sending)
126 (defcustom message-courtesy-message
127 "The following message is a courtesy copy of an article\nthat has been posted to %s as well.\n\n"
128 "*This is inserted at the start of a mailed copy of a posted message.
129 If the string contains the format spec \"%s\", the Newsgroups
130 the article has been posted to will be inserted there.
131 If this variable is nil, no such courtesy message will be added."
132 :group 'message-sending
135 (defcustom message-ignored-bounced-headers "^\\(Received\\|Return-Path\\):"
136 "*Regexp that matches headers to be removed in resent bounced mail."
137 :group 'message-interface
141 (defcustom message-from-style 'default
142 "*Specifies how \"From\" headers look.
144 If `nil', they contain just the return address like:
146 If `parens', they look like:
147 king@grassland.com (Elvis Parsley)
148 If `angles', they look like:
149 Elvis Parsley <king@grassland.com>
151 Otherwise, most addresses look like `angles', but they look like
152 `parens' if `angles' would need quoting and `parens' would not."
153 :type '(choice (const :tag "simple" nil)
157 :group 'message-headers)
159 (defcustom message-syntax-checks nil
160 ;; Guess this one shouldn't be easy to customize...
161 "*Controls what syntax checks should not be performed on outgoing posts.
162 To disable checking of long signatures, for instance, add
163 `(signature . disabled)' to this list.
165 Don't touch this variable unless you really know what you're doing.
167 Checks include subject-cmsg multiple-headers sendsys message-id from
168 long-lines control-chars size new-text redirected-followup signature
169 approved sender empty empty-headers message-id from subject
170 shorten-followup-to existing-newsgroups buffer-file-name unchanged
172 :group 'message-news)
174 (defcustom message-required-news-headers
175 '(From Newsgroups Subject Date Message-ID
176 (optional . Organization) Lines
177 (optional . User-Agent))
178 "*Headers to be generated or prompted for when posting an article.
179 RFC977 and RFC1036 require From, Date, Newsgroups, Subject,
180 Message-ID. Organization, Lines, In-Reply-To, Expires, and
181 User-Agent are optional. If don't you want message to insert some
182 header, remove it from this list."
184 :group 'message-headers
185 :type '(repeat sexp))
187 (defcustom message-required-mail-headers
188 '(From Subject Date (optional . In-Reply-To) Message-ID Lines
189 (optional . User-Agent))
190 "*Headers to be generated or prompted for when mailing a message.
191 RFC822 required that From, Date, To, Subject and Message-ID be
192 included. Organization, Lines and User-Agent are optional."
194 :group 'message-headers
195 :type '(repeat sexp))
197 (defcustom message-deletable-headers '(Message-ID Date Lines)
198 "Headers to be deleted if they already exist and were generated by message previously."
199 :group 'message-headers
202 (defcustom message-ignored-news-headers
203 "^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:"
204 "*Regexp of headers to be removed unconditionally before posting."
206 :group 'message-headers
209 (defcustom message-ignored-mail-headers "^[GF]cc:\\|^Resent-Fcc:\\|^Xref:"
210 "*Regexp of headers to be removed unconditionally before mailing."
212 :group 'message-headers
215 (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:"
216 "*Header lines matching this regexp will be deleted before posting.
217 It's best to delete old Path and Date headers before posting to avoid
219 :group 'message-interface
222 (defcustom message-subject-re-regexp "^[ \t]*\\([Rr][Ee]:[ \t]*\\)*[ \t]*"
223 "*Regexp matching \"Re: \" in the subject line."
224 :group 'message-various
228 (defcustom message-signature-separator "^-- *$"
229 "Regexp matching the signature separator."
231 :group 'message-various)
233 (defcustom message-elide-ellipsis "\n[...]\n\n"
234 "*The string which is inserted for elided text."
236 :group 'message-various)
238 (defcustom message-interactive nil
239 "Non-nil means when sending a message wait for and display errors.
240 nil means let mailer mail back a message to report errors."
241 :group 'message-sending
245 (defcustom message-generate-new-buffers 'unique
246 "*Non-nil means that a new message buffer will be created whenever `message-setup' is called.
247 If this is a function, call that function with three parameters: The type,
248 the to address and the group name. (Any of these may be nil.) The function
249 should return the new buffer name."
250 :group 'message-buffers
251 :type '(choice (const :tag "off" nil)
252 (const :tag "unique" unique)
253 (const :tag "unsent" unsent)
256 (defcustom message-kill-buffer-on-exit nil
257 "*Non-nil means that the message buffer will be killed after sending a message."
258 :group 'message-buffers
261 (defvar gnus-local-organization)
262 (defcustom message-user-organization
263 (or (and (boundp 'gnus-local-organization)
264 (stringp gnus-local-organization)
265 gnus-local-organization)
266 (getenv "ORGANIZATION")
268 "*String to be used as an Organization header.
269 If t, use `message-user-organization-file'."
270 :group 'message-headers
271 :type '(choice string
272 (const :tag "consult file" t)))
275 (defcustom message-user-organization-file "/usr/lib/news/organization"
276 "*Local news organization file."
278 :group 'message-headers)
280 (defcustom message-make-forward-subject-function
281 'message-forward-subject-author-subject
282 "*A list of functions that are called to generate a subject header for forwarded messages.
283 The subject generated by the previous function is passed into each
286 The provided functions are:
288 * message-forward-subject-author-subject (Source of article (author or
289 newsgroup)), in brackets followed by the subject
290 * message-forward-subject-fwd (Subject of article with 'Fwd:' prepended
292 :group 'message-forwarding
293 :type '(radio (function-item message-forward-subject-author-subject)
294 (function-item message-forward-subject-fwd)))
296 (defcustom message-forward-as-mime t
297 "*If non-nil, forward messages as an inline/rfc822 MIME section. Otherwise, directly inline the old message in the forwarded message."
298 :group 'message-forwarding
301 (defcustom message-wash-forwarded-subjects nil
302 "*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."
303 :group 'message-forwarding
306 (defcustom message-ignored-resent-headers "^Return-receipt\\|^X-Gnus\\|^Gnus-Warning:"
307 "*All headers that match this regexp will be deleted when resending a message."
308 :group 'message-interface
311 (defcustom message-forward-ignored-headers nil
312 "*All headers that match this regexp will be deleted when forwarding a message."
313 :group 'message-forwarding
314 :type '(choice (const :tag "None" nil)
317 (defcustom message-ignored-cited-headers "."
318 "*Delete these headers from the messages you yank."
319 :group 'message-insertion
322 (defcustom message-cancel-message "I am canceling my own article."
323 "Message to be inserted in the cancel message."
324 :group 'message-interface
327 ;; Useful to set in site-init.el
329 (defcustom message-send-mail-function 'message-send-mail-with-sendmail
330 "Function to call to send the current buffer as mail.
331 The headers should be delimited by a line whose contents match the
332 variable `mail-header-separator'.
334 Valid values include `message-send-mail-with-sendmail' (the default),
335 `message-send-mail-with-mh', `message-send-mail-with-qmail' and
337 :type '(radio (function-item message-send-mail-with-sendmail)
338 (function-item message-send-mail-with-mh)
339 (function-item message-send-mail-with-qmail)
340 (function-item smtpmail-send-it)
341 (function :tag "Other"))
342 :group 'message-sending
343 :group 'message-mail)
345 (defcustom message-send-news-function 'message-send-news
346 "Function to call to send the current buffer as news.
347 The headers should be delimited by a line whose contents match the
348 variable `mail-header-separator'."
349 :group 'message-sending
353 (defcustom message-reply-to-function nil
354 "Function that should return a list of headers.
355 This function should pick out addresses from the To, Cc, and From headers
356 and respond with new To and Cc headers."
357 :group 'message-interface
360 (defcustom message-wide-reply-to-function nil
361 "Function that should return a list of headers.
362 This function should pick out addresses from the To, Cc, and From headers
363 and respond with new To and Cc headers."
364 :group 'message-interface
367 (defcustom message-followup-to-function nil
368 "Function that should return a list of headers.
369 This function should pick out addresses from the To, Cc, and From headers
370 and respond with new To and Cc headers."
371 :group 'message-interface
374 (defcustom message-use-followup-to 'ask
375 "*Specifies what to do with Followup-To header.
376 If nil, always ignore the header. If it is t, use its value, but
377 query before using the \"poster\" value. If it is the symbol `ask',
378 always query the user whether to use the value. If it is the symbol
379 `use', always use the value."
380 :group 'message-interface
381 :type '(choice (const :tag "ignore" nil)
385 (defcustom message-sendmail-f-is-evil nil
386 "*Non-nil means that \"-f username\" should not be added to the sendmail command line.
387 Doing so would be even more evil than leaving it out."
388 :group 'message-sending
391 ;; qmail-related stuff
392 (defcustom message-qmail-inject-program "/var/qmail/bin/qmail-inject"
393 "Location of the qmail-inject program."
394 :group 'message-sending
397 (defcustom message-qmail-inject-args nil
398 "Arguments passed to qmail-inject programs.
399 This should be a list of strings, one string for each argument.
401 For e.g., if you wish to set the envelope sender address so that bounces
402 go to the right place or to deal with listserv's usage of that address, you
403 might set this variable to '(\"-f\" \"you@some.where\")."
404 :group 'message-sending
405 :type '(repeat string))
407 (defvar message-cater-to-broken-inn t
408 "Non-nil means Gnus should not fold the `References' header.
409 Folding `References' makes ancient versions of INN create incorrect
412 (defvar gnus-post-method)
413 (defvar gnus-select-method)
414 (defcustom message-post-method
415 (cond ((and (boundp 'gnus-post-method)
416 (listp gnus-post-method)
419 ((boundp 'gnus-select-method)
422 "*Method used to post news.
423 Note that when posting from inside Gnus, for instance, this
424 variable isn't used."
426 :group 'message-sending
427 ;; This should be the `gnus-select-method' widget, but that might
428 ;; create a dependence to `gnus.el'.
431 (defcustom message-generate-headers-first nil
432 "*If non-nil, generate all possible headers before composing."
433 :group 'message-headers
436 (defcustom message-setup-hook nil
437 "Normal hook, run each time a new outgoing message is initialized.
438 The function `message-setup' runs this hook."
439 :group 'message-various
442 (defcustom message-cancel-hook nil
443 "Hook run when cancelling articles."
444 :group 'message-various
447 (defcustom message-signature-setup-hook nil
448 "Normal hook, run each time a new outgoing message is initialized.
449 It is run after the headers have been inserted and before
450 the signature is inserted."
451 :group 'message-various
454 (defcustom message-mode-hook nil
455 "Hook run in message mode buffers."
456 :group 'message-various
459 (defcustom message-header-hook nil
460 "Hook run in a message mode buffer narrowed to the headers."
461 :group 'message-various
464 (defcustom message-header-setup-hook nil
465 "Hook called narrowed to the headers when setting up a message buffer."
466 :group 'message-various
470 (defcustom message-citation-line-function 'message-insert-citation-line
471 "*Function called to insert the \"Whomever writes:\" line."
473 :group 'message-insertion)
476 (defcustom message-yank-prefix "> "
477 "*Prefix inserted on the lines of yanked messages."
479 :group 'message-insertion)
481 (defcustom message-indentation-spaces 3
482 "*Number of spaces to insert at the beginning of each cited line.
483 Used by `message-yank-original' via `message-yank-cite'."
484 :group 'message-insertion
488 (defcustom message-cite-function 'message-cite-original
489 "*Function for citing an original message.
490 Predefined functions include `message-cite-original' and
491 `message-cite-original-without-signature'.
492 Note that `message-cite-original' uses `mail-citation-hook' if that is non-nil."
493 :type '(radio (function-item message-cite-original)
494 (function-item message-cite-original-without-signature)
495 (function-item sc-cite-original)
496 (function :tag "Other"))
497 :group 'message-insertion)
500 (defcustom message-indent-citation-function 'message-indent-citation
501 "*Function for modifying a citation just inserted in the mail buffer.
502 This can also be a list of functions. Each function can find the
503 citation between (point) and (mark t). And each function should leave
504 point and mark around the citation text as modified."
506 :group 'message-insertion)
508 (defvar message-abbrevs-loaded nil)
511 (defcustom message-signature t
512 "*String to be inserted at the end of the message buffer.
513 If t, the `message-signature-file' file will be inserted instead.
514 If a function, the result from the function will be used instead.
515 If a form, the result from the form will be used instead."
517 :group 'message-insertion)
520 (defcustom message-signature-file "~/.signature"
521 "*File containing the text inserted at end of message buffer."
523 :group 'message-insertion)
525 (defcustom message-distribution-function nil
526 "*Function called to return a Distribution header."
528 :group 'message-headers
531 (defcustom message-expires 14
532 "Number of days before your article expires."
534 :group 'message-headers
535 :link '(custom-manual "(message)News Headers")
538 (defcustom message-user-path nil
539 "If nil, use the NNTP server name in the Path header.
540 If stringp, use this; if non-nil, use no host name (user name only)."
542 :group 'message-headers
543 :link '(custom-manual "(message)News Headers")
544 :type '(choice (const :tag "nntp" nil)
546 (sexp :tag "none" :format "%t" t)))
548 (defvar message-reply-buffer nil)
549 (defvar message-reply-headers nil)
550 (defvar message-newsreader nil)
551 (defvar message-mailer nil)
552 (defvar message-sent-message-via nil)
553 (defvar message-checksum nil)
554 (defvar message-send-actions nil
555 "A list of actions to be performed upon successful sending of a message.")
556 (defvar message-exit-actions nil
557 "A list of actions to be performed upon exiting after sending a message.")
558 (defvar message-kill-actions nil
559 "A list of actions to be performed before killing a message buffer.")
560 (defvar message-postpone-actions nil
561 "A list of actions to be performed after postponing a message.")
563 (define-widget 'message-header-lines 'text
564 "All header lines must be LFD terminated."
567 :error "All header lines must be newline terminated")
569 (defcustom message-default-headers ""
570 "*A string containing header lines to be inserted in outgoing messages.
571 It is inserted before you edit the message, so you can edit or delete
573 :group 'message-headers
574 :type 'message-header-lines)
576 (defcustom message-default-mail-headers ""
577 "*A string of header lines to be inserted in outgoing mails."
578 :group 'message-headers
580 :type 'message-header-lines)
582 (defcustom message-default-news-headers ""
583 "*A string of header lines to be inserted in outgoing news articles."
584 :group 'message-headers
586 :type 'message-header-lines)
588 ;; Note: could use /usr/ucb/mail instead of sendmail;
589 ;; options -t, and -v if not interactive.
590 (defcustom message-mailer-swallows-blank-line
591 (if (and (string-match "sparc-sun-sunos\\(\\'\\|[^5]\\)"
592 system-configuration)
593 (file-readable-p "/etc/sendmail.cf")
594 (let ((buffer (get-buffer-create " *temp*")))
598 (insert-file-contents "/etc/sendmail.cf")
599 (goto-char (point-min))
600 (let ((case-fold-search nil))
601 (re-search-forward "^OR\\>" nil t)))
602 (kill-buffer buffer))))
603 ;; According to RFC822, "The field-name must be composed of printable
604 ;; ASCII characters (i. e., characters that have decimal values between
605 ;; 33 and 126, except colon)", i. e., any chars except ctl chars,
607 '(looking-at "[ \t]\\|[][!\"#$%&'()*+,-./0-9;<=>?@A-Z\\\\^_`a-z{|}~]+:"))
608 "*Set this non-nil if the system's mailer runs the header and body together.
609 \(This problem exists on Sunos 4 when sendmail is run in remote mode.)
610 The value should be an expression to test whether the problem will
612 :group 'message-sending
615 ;; Ignore errors in case this is used in Emacs 19.
616 ;; Don't use ignore-errors because this is copied into loaddefs.el.
619 (define-mail-user-agent 'message-user-agent
620 'message-mail 'message-send-and-exit
621 'message-kill-buffer 'message-send-hook))
623 (defvar message-mh-deletable-headers '(Message-ID Date Lines Sender)
624 "If non-nil, delete the deletable headers before feeding to mh.")
626 (defvar message-send-method-alist
627 '((news message-news-p message-send-via-news)
628 (mail message-mail-p message-send-via-mail))
629 "Alist of ways to send outgoing messages.
630 Each element has the form
632 \(TYPE PREDICATE FUNCTION)
634 where TYPE is a symbol that names the method; PREDICATE is a function
635 called without any parameters to determine whether the message is
636 a message of type TYPE; and FUNCTION is a function to be called if
637 PREDICATE returns non-nil. FUNCTION is called with one parameter --
640 (defvar message-mail-alias-type 'abbrev
641 "*What alias expansion type to use in Message buffers.
642 The default is `abbrev', which uses mailabbrev. nil switches
645 (defcustom message-auto-save-directory
646 (nnheader-concat message-directory "drafts/")
647 "*Directory where Message auto-saves buffers if Gnus isn't running.
648 If nil, Message won't auto-save."
649 :group 'message-buffers
652 (defcustom message-buffer-naming-style 'unique
653 "*The way new message buffers are named.
654 Valid valued are `unique' and `unsent'."
655 :group 'message-buffers
656 :type '(choice (const :tag "unique" unique)
657 (const :tag "unsent" unsent)))
659 (defcustom message-default-charset nil
660 "Default charset used in non-MULE XEmacsen."
664 (defcustom message-dont-reply-to-names rmail-dont-reply-to-names
665 "*A regexp specifying names to prune when doing wide replies.
666 A value of nil means exclude your own name only."
668 :type '(choice (const :tag "Yourself" nil)
671 ;;; Internal variables.
672 ;;; Well, not really internal.
674 (defvar message-mode-syntax-table
675 (let ((table (copy-syntax-table text-mode-syntax-table)))
676 (modify-syntax-entry ?% ". " table)
677 (modify-syntax-entry ?> ". " table)
678 (modify-syntax-entry ?< ". " table)
680 "Syntax table used while in Message mode.")
682 (defvar message-mode-abbrev-table text-mode-abbrev-table
683 "Abbrev table used in Message mode buffers.
684 Defaults to `text-mode-abbrev-table'.")
685 (defgroup message-headers nil
687 :link '(custom-manual "(message)Variables")
690 (defface message-header-to-face
693 (:foreground "green2" :bold t))
696 (:foreground "MidnightBlue" :bold t))
698 (:bold t :italic t)))
699 "Face used for displaying From headers."
700 :group 'message-faces)
702 (defface message-header-cc-face
705 (:foreground "green4" :bold t))
708 (:foreground "MidnightBlue"))
711 "Face used for displaying Cc headers."
712 :group 'message-faces)
714 (defface message-header-subject-face
717 (:foreground "green3"))
720 (:foreground "navy blue" :bold t))
723 "Face used for displaying subject headers."
724 :group 'message-faces)
726 (defface message-header-newsgroups-face
729 (:foreground "yellow" :bold t :italic t))
732 (:foreground "blue4" :bold t :italic t))
734 (:bold t :italic t)))
735 "Face used for displaying newsgroups headers."
736 :group 'message-faces)
738 (defface message-header-other-face
741 (:foreground "#b00000"))
744 (:foreground "steel blue"))
746 (:bold t :italic t)))
747 "Face used for displaying newsgroups headers."
748 :group 'message-faces)
750 (defface message-header-name-face
753 (:foreground "DarkGreen"))
756 (:foreground "cornflower blue"))
759 "Face used for displaying header names."
760 :group 'message-faces)
762 (defface message-header-xheader-face
765 (:foreground "blue"))
768 (:foreground "blue"))
771 "Face used for displaying X-Header headers."
772 :group 'message-faces)
774 (defface message-separator-face
777 (:foreground "blue3"))
780 (:foreground "brown"))
783 "Face used for displaying the separator."
784 :group 'message-faces)
786 (defface message-cited-text-face
795 "Face used for displaying cited text names."
796 :group 'message-faces)
798 (defface message-mml-face
801 (:foreground "ForestGreen"))
804 (:foreground "ForestGreen"))
807 "Face used for displaying MML."
808 :group 'message-faces)
810 (defvar message-font-lock-keywords
811 (let* ((cite-prefix "A-Za-z")
812 (cite-suffix (concat cite-prefix "0-9_.@-"))
813 (content "[ \t]*\\(.+\\(\n[ \t].*\\)*\\)"))
814 `((,(concat "^\\([Tt]o:\\)" content)
815 (1 'message-header-name-face)
816 (2 'message-header-to-face nil t))
817 (,(concat "^\\(^[GBF]?[Cc][Cc]:\\|^[Rr]eply-[Tt]o:\\)" content)
818 (1 'message-header-name-face)
819 (2 'message-header-cc-face nil t))
820 (,(concat "^\\([Ss]ubject:\\)" content)
821 (1 'message-header-name-face)
822 (2 'message-header-subject-face nil t))
823 (,(concat "^\\([Nn]ewsgroups:\\|Followup-[Tt]o:\\)" content)
824 (1 'message-header-name-face)
825 (2 'message-header-newsgroups-face nil t))
826 (,(concat "^\\([A-Z][^: \n\t]+:\\)" content)
827 (1 'message-header-name-face)
828 (2 'message-header-other-face nil t))
829 (,(concat "^\\(X-[A-Za-z0-9-]+\\|In-Reply-To\\):" content)
830 (1 'message-header-name-face)
831 (2 'message-header-name-face))
832 ,@(if (and mail-header-separator
833 (not (equal mail-header-separator "")))
834 `((,(concat "^\\(" (regexp-quote mail-header-separator) "\\)$")
835 1 'message-separator-face))
838 "\\([" cite-prefix "]+[" cite-suffix "]*\\)?"
840 (0 'message-cited-text-face))
841 ("<#/?\\(multipart\\|part\\|external\\).*>"
842 (0 'message-mml-face))))
843 "Additional expressions to highlight in Message mode.")
845 ;; XEmacs does it like this. For Emacs, we have to set the
846 ;; `font-lock-defaults' buffer-local variable.
847 (put 'message-mode 'font-lock-defaults '(message-font-lock-keywords t))
849 (defvar message-face-alist
850 '((bold . bold-region)
851 (underline . underline-region)
852 (default . (lambda (b e)
854 (ununderline-region b e))))
855 "Alist of mail and news faces for facemenu.
856 The cdr of ech entry is a function for applying the face to a region.")
858 (defcustom message-send-hook nil
859 "Hook run before sending messages."
860 :group 'message-various
861 :options '(ispell-message)
864 (defcustom message-send-mail-hook nil
865 "Hook run before sending mail messages."
866 :group 'message-various
869 (defcustom message-send-news-hook nil
870 "Hook run before sending news messages."
871 :group 'message-various
874 (defcustom message-sent-hook nil
875 "Hook run after sending messages."
876 :group 'message-various
879 (defvar message-send-coding-system 'binary
880 "Coding system to encode outgoing mail.")
882 (defvar message-draft-coding-system
883 mm-auto-save-coding-system
884 "Coding system to compose mail.")
886 ;;; Internal variables.
888 (defvar message-buffer-list nil)
889 (defvar message-this-is-news nil)
890 (defvar message-this-is-mail nil)
891 (defvar message-draft-article nil)
892 (defvar message-mime-part nil)
893 (defvar message-posting-charset nil)
895 ;; Byte-compiler warning
896 (defvar gnus-active-hashtb)
897 (defvar gnus-read-active-file)
899 ;;; Regexp matching the delimiter of messages in UNIX mail format
900 ;;; (UNIX From lines), minus the initial ^. It should be a copy
901 ;;; of rmail.el's rmail-unix-mail-delimiter.
902 (defvar message-unix-mail-delimiter
903 (let ((time-zone-regexp
904 (concat "\\([A-Z]?[A-Z]?[A-Z][A-Z]\\( DST\\)?"
905 "\\|[-+]?[0-9][0-9][0-9][0-9]"
911 ;; Many things can happen to an RFC 822 mailbox before it is put into
912 ;; a `From' line. The leading phrase can be stripped, e.g.
913 ;; `Joe <@w.x:joe@y.z>' -> `<@w.x:joe@y.z>'. The <> can be stripped, e.g.
914 ;; `<@x.y:joe@y.z>' -> `@x.y:joe@y.z'. Everything starting with a CRLF
915 ;; can be removed, e.g.
916 ;; From: joe@y.z (Joe K
918 ;; can yield `From joe@y.z (Joe K Fri Mar 22 08:11:15 1996', and
921 ;; can yield `From Joe User Fri Mar 22 08:11:15 1996'.
922 ;; The mailbox can be removed or be replaced by white space, e.g.
923 ;; From: "Joe User"{space}{tab}
925 ;; can yield `From {space}{tab} Fri Mar 22 08:11:15 1996',
926 ;; where {space} and {tab} represent the Ascii space and tab characters.
927 ;; We want to match the results of any of these manglings.
928 ;; The following regexp rejects names whose first characters are
929 ;; obviously bogus, but after that anything goes.
930 "\\([^\0-\b\n-\r\^?].*\\)? "
932 ;; The time the message was sent.
933 "\\([^\0-\r \^?]+\\) +" ; day of the week
934 "\\([^\0-\r \^?]+\\) +" ; month
935 "\\([0-3]?[0-9]\\) +" ; day of month
936 "\\([0-2][0-9]:[0-5][0-9]\\(:[0-6][0-9]\\)?\\) *" ; time of day
938 ;; Perhaps a time zone, specified by an abbreviation, or by a
943 " \\([0-9][0-9]+\\) *"
945 ;; On some systems the time zone can appear after the year, too.
949 "\\(remote from .*\\)?"
952 "Regexp matching the delimiter of messages in UNIX mail format.")
954 (defvar message-unsent-separator
955 (concat "^ *---+ +Unsent message follows +---+ *$\\|"
956 "^ *---+ +Returned message +---+ *$\\|"
957 "^Start of returned message$\\|"
958 "^ *---+ +Original message +---+ *$\\|"
959 "^ *--+ +begin message +--+ *$\\|"
960 "^ *---+ +Original message follows +---+ *$\\|"
961 "^ *---+ +Undelivered message follows +---+ *$\\|"
962 "^|? *---+ +Message text follows: +---+ *|?$")
963 "A regexp that matches the separator before the text of a failed message.")
965 (defvar message-header-format-alist
967 (To . message-fill-address)
968 (Cc . message-fill-address)
979 (References . message-shorten-references)
981 "Alist used for formatting headers.")
984 (autoload 'message-setup-toolbar "messagexmas")
985 (autoload 'mh-new-draft-name "mh-comp")
986 (autoload 'mh-send-letter "mh-comp")
987 (autoload 'gnus-point-at-eol "gnus-util")
988 (autoload 'gnus-point-at-bol "gnus-util")
989 (autoload 'gnus-output-to-mail "gnus-util")
990 (autoload 'mail-abbrev-in-expansion-header-p "mailabbrev")
991 (autoload 'nndraft-request-associate-buffer "nndraft")
992 (autoload 'nndraft-request-expire-articles "nndraft")
993 (autoload 'gnus-open-server "gnus-int")
994 (autoload 'gnus-request-post "gnus-int")
995 (autoload 'gnus-alive-p "gnus-util")
996 (autoload 'rmail-output "rmail"))
1001 ;;; Utility functions.
1004 (defmacro message-y-or-n-p (question show &rest text)
1005 "Ask QUESTION, displaying the rest of the arguments in a temp. buffer if SHOW"
1006 `(message-talkative-question 'y-or-n-p ,question ,show ,@text))
1008 ;; Delete the current line (and the next N lines.);
1009 (defmacro message-delete-line (&optional n)
1010 `(delete-region (progn (beginning-of-line) (point))
1011 (progn (forward-line ,(or n 1)) (point))))
1013 (defun message-tokenize-header (header &optional separator)
1014 "Split HEADER into a list of header elements.
1015 \",\" is used as the separator."
1018 (let ((regexp (format "[%s]+" (or separator ",")))
1023 (message-set-work-buffer)
1025 (goto-char (point-min))
1030 (cond ((and (> (point) beg)
1032 (and (looking-at regexp)
1035 (push (buffer-substring beg (point)) elems)
1036 (setq beg (match-end 0)))
1037 ((eq (char-after) ?\")
1038 (setq quoted (not quoted)))
1039 ((and (eq (char-after) ?\()
1042 ((and (eq (char-after) ?\))
1045 (nreverse elems)))))
1047 (defun message-mail-file-mbox-p (file)
1048 "Say whether FILE looks like a Unix mbox file."
1049 (when (and (file-exists-p file)
1050 (file-readable-p file)
1051 (file-regular-p file))
1053 (nnheader-insert-file-contents file)
1054 (goto-char (point-min))
1055 (looking-at message-unix-mail-delimiter))))
1057 (defun message-fetch-field (header &optional not-all)
1058 "The same as `mail-fetch-field', only remove all newlines."
1059 (let* ((inhibit-point-motion-hooks t)
1060 (value (mail-fetch-field header nil (not not-all))))
1062 (while (string-match "\n[\t ]+" value)
1063 (setq value (replace-match " " t t value)))
1064 ;; We remove all text props.
1065 (format "%s" value))))
1067 (defun message-narrow-to-field ()
1068 "Narrow the buffer to the header on the current line."
1074 (if (re-search-forward "^[^ \n\t]" nil t)
1079 (goto-char (point-min)))
1081 (defun message-add-header (&rest headers)
1082 "Add the HEADERS to the message header, skipping those already present."
1085 (unless (string-match "^\\([^:]+\\):[ \t]*[^ \t]" (car headers))
1086 (error "Invalid header `%s'" (car headers)))
1087 (setq hclean (match-string 1 (car headers)))
1089 (message-narrow-to-headers)
1090 (unless (re-search-forward (concat "^" (regexp-quote hclean) ":") nil t)
1091 (insert (car headers) ?\n))))
1092 (setq headers (cdr headers))))
1095 (defun message-fetch-reply-field (header)
1096 "Fetch FIELD from the message we're replying to."
1097 (when (and message-reply-buffer
1098 (buffer-name message-reply-buffer))
1100 (set-buffer message-reply-buffer)
1101 (message-fetch-field header))))
1103 (defun message-set-work-buffer ()
1104 (if (get-buffer " *message work*")
1106 (set-buffer " *message work*")
1108 (set-buffer (get-buffer-create " *message work*"))
1109 (kill-all-local-variables)
1110 (mm-enable-multibyte)))
1112 (defun message-functionp (form)
1113 "Return non-nil if FORM is funcallable."
1114 (or (and (symbolp form) (fboundp form))
1115 (and (listp form) (eq (car form) 'lambda))
1116 (byte-code-function-p form)))
1118 (defun message-strip-subject-re (subject)
1119 "Remove \"Re:\" from subject lines."
1120 (if (string-match message-subject-re-regexp subject)
1121 (substring subject (match-end 0))
1124 (defun message-remove-header (header &optional is-regexp first reverse)
1125 "Remove HEADER in the narrowed buffer.
1126 If REGEXP, HEADER is a regular expression.
1127 If FIRST, only remove the first instance of the header.
1128 Return the number of headers removed."
1129 (goto-char (point-min))
1130 (let ((regexp (if is-regexp header (concat "^" (regexp-quote header) ":")))
1132 (case-fold-search t)
1134 (while (and (not (eobp))
1137 (not (looking-at regexp))
1138 (looking-at regexp))
1145 ;; There might be a continuation header, so we have to search
1146 ;; until we find a new non-continuation line.
1149 (if (re-search-forward "^[^ \t]" nil t)
1150 (goto-char (match-beginning 0))
1153 (if (re-search-forward "^[^ \t]" nil t)
1154 (goto-char (match-beginning 0))
1155 (goto-char (point-max)))))
1158 (defun message-remove-first-header (header)
1159 "Remove the first instance of HEADER if there is more than one."
1161 (regexp (concat "^" (regexp-quote header) ":")))
1163 (goto-char (point-min))
1164 (while (re-search-forward regexp nil t)
1167 (message-remove-header header nil t)
1170 (defun message-narrow-to-headers ()
1171 "Narrow the buffer to the head of the message."
1174 (goto-char (point-min))
1175 (if (re-search-forward
1176 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1179 (goto-char (point-min)))
1181 (defun message-narrow-to-head ()
1182 "Narrow the buffer to the head of the message.
1183 Point is left at the beginning of the narrowed-to region."
1186 (goto-char (point-min))
1187 (if (search-forward "\n\n" nil 1)
1190 (goto-char (point-min)))
1192 (defun message-narrow-to-headers-or-head ()
1193 "Narrow the buffer to the head of the message."
1196 (goto-char (point-min))
1199 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1200 (match-beginning 0))
1201 ((search-forward "\n\n" nil t)
1205 (goto-char (point-min)))
1207 (defun message-news-p ()
1208 "Say whether the current buffer contains a news message."
1209 (and (not message-this-is-mail)
1210 (or message-this-is-news
1213 (message-narrow-to-headers)
1214 (and (message-fetch-field "newsgroups")
1215 (not (message-fetch-field "posted-to"))))))))
1217 (defun message-mail-p ()
1218 "Say whether the current buffer contains a mail message."
1219 (and (not message-this-is-news)
1220 (or message-this-is-mail
1223 (message-narrow-to-headers)
1224 (or (message-fetch-field "to")
1225 (message-fetch-field "cc")
1226 (message-fetch-field "bcc")))))))
1228 (defun message-next-header ()
1229 "Go to the beginning of the next header."
1231 (or (eobp) (forward-char 1))
1232 (not (if (re-search-forward "^[^ \t]" nil t)
1234 (goto-char (point-max)))))
1236 (defun message-sort-headers-1 ()
1237 "Sort the buffer as headers using `message-rank' text props."
1238 (goto-char (point-min))
1241 nil 'message-next-header
1243 (message-next-header)
1247 (or (get-text-property (point) 'message-rank)
1250 (defun message-sort-headers ()
1251 "Sort the headers of the current message according to `message-header-format-alist'."
1255 (let ((max (1+ (length message-header-format-alist)))
1257 (message-narrow-to-headers)
1258 (while (re-search-forward "^[^ \n]+:" nil t)
1260 (match-beginning 0) (1+ (match-beginning 0))
1262 (if (setq rank (length (memq (assq (intern (buffer-substring
1264 (1- (match-end 0))))
1265 message-header-format-alist)
1266 message-header-format-alist)))
1269 (message-sort-headers-1))))
1279 (defvar message-mode-map nil)
1281 (unless message-mode-map
1282 (setq message-mode-map (make-keymap))
1283 (set-keymap-parent message-mode-map text-mode-map)
1284 (define-key message-mode-map "\C-c?" 'describe-mode)
1286 (define-key message-mode-map "\C-c\C-f\C-t" 'message-goto-to)
1287 (define-key message-mode-map "\C-c\C-f\C-b" 'message-goto-bcc)
1288 (define-key message-mode-map "\C-c\C-f\C-w" 'message-goto-fcc)
1289 (define-key message-mode-map "\C-c\C-f\C-c" 'message-goto-cc)
1290 (define-key message-mode-map "\C-c\C-f\C-s" 'message-goto-subject)
1291 (define-key message-mode-map "\C-c\C-f\C-r" 'message-goto-reply-to)
1292 (define-key message-mode-map "\C-c\C-f\C-n" 'message-goto-newsgroups)
1293 (define-key message-mode-map "\C-c\C-f\C-d" 'message-goto-distribution)
1294 (define-key message-mode-map "\C-c\C-f\C-f" 'message-goto-followup-to)
1295 (define-key message-mode-map "\C-c\C-f\C-k" 'message-goto-keywords)
1296 (define-key message-mode-map "\C-c\C-f\C-u" 'message-goto-summary)
1297 (define-key message-mode-map "\C-c\C-b" 'message-goto-body)
1298 (define-key message-mode-map "\C-c\C-i" 'message-goto-signature)
1300 (define-key message-mode-map "\C-c\C-t" 'message-insert-to)
1301 (define-key message-mode-map "\C-c\C-n" 'message-insert-newsgroups)
1303 (define-key message-mode-map "\C-c\C-y" 'message-yank-original)
1304 (define-key message-mode-map "\C-c\M-\C-y" 'message-yank-buffer)
1305 (define-key message-mode-map "\C-c\C-q" 'message-fill-yanked-message)
1306 (define-key message-mode-map "\C-c\C-w" 'message-insert-signature)
1307 (define-key message-mode-map "\C-c\M-h" 'message-insert-headers)
1308 (define-key message-mode-map "\C-c\C-r" 'message-caesar-buffer-body)
1309 (define-key message-mode-map "\C-c\C-o" 'message-sort-headers)
1310 (define-key message-mode-map "\C-c\M-r" 'message-rename-buffer)
1312 (define-key message-mode-map "\C-c\C-c" 'message-send-and-exit)
1313 (define-key message-mode-map "\C-c\C-s" 'message-send)
1314 (define-key message-mode-map "\C-c\C-k" 'message-kill-buffer)
1315 (define-key message-mode-map "\C-c\C-d" 'message-dont-send)
1317 (define-key message-mode-map "\C-c\C-e" 'message-elide-region)
1318 (define-key message-mode-map "\C-c\C-v" 'message-delete-not-region)
1319 (define-key message-mode-map "\C-c\C-z" 'message-kill-to-signature)
1320 (define-key message-mode-map "\M-\r" 'message-newline-and-reformat)
1322 (define-key message-mode-map "\C-c\C-a" 'mml-attach-file)
1324 (define-key message-mode-map "\t" 'message-tab))
1327 message-mode-menu message-mode-map "Message Menu."
1329 ["Sort Headers" message-sort-headers t]
1330 ["Yank Original" message-yank-original t]
1331 ["Fill Yanked Message" message-fill-yanked-message t]
1332 ["Insert Signature" message-insert-signature t]
1333 ["Caesar (rot13) Message" message-caesar-buffer-body t]
1334 ["Caesar (rot13) Region" message-caesar-region (mark t)]
1335 ["Elide Region" message-elide-region (mark t)]
1336 ["Delete Outside Region" message-delete-not-region (mark t)]
1337 ["Kill To Signature" message-kill-to-signature t]
1338 ["Newline and Reformat" message-newline-and-reformat t]
1339 ["Rename buffer" message-rename-buffer t]
1340 ["Spellcheck" ispell-message t]
1341 ["Attach file as MIME" mml-attach-file t]
1343 ["Send Message" message-send-and-exit t]
1344 ["Abort Message" message-dont-send t]
1345 ["Kill Message" message-kill-buffer t]))
1348 message-mode-field-menu message-mode-map ""
1350 ["Fetch To" message-insert-to t]
1351 ["Fetch Newsgroups" message-insert-newsgroups t]
1353 ["To" message-goto-to t]
1354 ["Subject" message-goto-subject t]
1355 ["Cc" message-goto-cc t]
1356 ["Reply-To" message-goto-reply-to t]
1357 ["Summary" message-goto-summary t]
1358 ["Keywords" message-goto-keywords t]
1359 ["Newsgroups" message-goto-newsgroups t]
1360 ["Followup-To" message-goto-followup-to t]
1361 ["Distribution" message-goto-distribution t]
1362 ["Body" message-goto-body t]
1363 ["Signature" message-goto-signature t]))
1365 (defvar facemenu-add-face-function)
1366 (defvar facemenu-remove-face-function)
1369 (defun message-mode ()
1370 "Major mode for editing mail and news to be sent.
1371 Like Text Mode but with these additional commands:
1372 C-c C-s message-send (send the message) C-c C-c message-send-and-exit
1373 C-c C-d Pospone sending the message C-c C-k Kill the message
1374 C-c C-f move to a header field (and create it if there isn't):
1375 C-c C-f C-t move to To C-c C-f C-s move to Subject
1376 C-c C-f C-c move to Cc C-c C-f C-b move to Bcc
1377 C-c C-f C-w move to Fcc C-c C-f C-r move to Reply-To
1378 C-c C-f C-u move to Summary C-c C-f C-n move to Newsgroups
1379 C-c C-f C-k move to Keywords C-c C-f C-d move to Distribution
1380 C-c C-f C-f move to Followup-To
1381 C-c C-t message-insert-to (add a To header to a news followup)
1382 C-c C-n message-insert-newsgroups (add a Newsgroup header to a news reply)
1383 C-c C-b message-goto-body (move to beginning of message text).
1384 C-c C-i message-goto-signature (move to the beginning of the signature).
1385 C-c C-w message-insert-signature (insert `message-signature-file' file).
1386 C-c C-y message-yank-original (insert current message, if any).
1387 C-c C-q message-fill-yanked-message (fill what was yanked).
1388 C-c C-e message-elide-region (elide the text between point and mark).
1389 C-c C-v message-delete-not-region (remove the text outside the region).
1390 C-c C-z message-kill-to-signature (kill the text up to the signature).
1391 C-c C-r message-caesar-buffer-body (rot13 the message body).
1392 C-c C-a mml-attach-file (attach a file as MIME).
1393 M-RET message-newline-and-reformat (break the line and reformat)."
1395 (kill-all-local-variables)
1396 (set (make-local-variable 'message-reply-buffer) nil)
1397 (make-local-variable 'message-send-actions)
1398 (make-local-variable 'message-exit-actions)
1399 (make-local-variable 'message-kill-actions)
1400 (make-local-variable 'message-postpone-actions)
1401 (make-local-variable 'message-draft-article)
1402 (make-local-hook 'kill-buffer-hook)
1403 (set-syntax-table message-mode-syntax-table)
1404 (use-local-map message-mode-map)
1405 (setq local-abbrev-table message-mode-abbrev-table)
1406 (setq major-mode 'message-mode)
1407 (setq mode-name "Message")
1408 (setq buffer-offer-save t)
1409 (make-local-variable 'facemenu-add-face-function)
1410 (make-local-variable 'facemenu-remove-face-function)
1411 (setq facemenu-add-face-function
1413 (let ((face-fun (cdr (assq face message-face-alist))))
1415 (funcall face-fun (point) end)
1416 (error "Face %s not configured for %s mode" face mode-name)))
1418 facemenu-remove-face-function t)
1419 (make-local-variable 'paragraph-separate)
1420 (make-local-variable 'paragraph-start)
1421 ;; `-- ' precedes the signature. `-----' appears at the start of the
1422 ;; lines that delimit forwarded messages.
1423 ;; Lines containing just >= 3 dashes, perhaps after whitespace,
1424 ;; are also sometimes used and should be separators.
1425 (setq paragraph-start
1426 (concat (regexp-quote mail-header-separator)
1427 "$\\|[ \t]*[a-z0-9A-Z]*>+[ \t]*$\\|[ \t]*$\\|"
1430 ;;!!! Uhm... shurely this can't be right?
1431 "[> " (regexp-quote message-yank-prefix) "]+$"))
1432 (setq paragraph-separate paragraph-start)
1433 (make-local-variable 'message-reply-headers)
1434 (setq message-reply-headers nil)
1435 (make-local-variable 'message-newsreader)
1436 (make-local-variable 'message-mailer)
1437 (make-local-variable 'message-post-method)
1438 (set (make-local-variable 'message-sent-message-via) nil)
1439 (set (make-local-variable 'message-checksum) nil)
1440 (set (make-local-variable 'message-mime-part) 0)
1441 ;;(when (fboundp 'mail-hist-define-keys)
1442 ;; (mail-hist-define-keys))
1443 (when (string-match "XEmacs\\|Lucid" emacs-version)
1444 (message-setup-toolbar))
1445 (easy-menu-add message-mode-menu message-mode-map)
1446 (easy-menu-add message-mode-field-menu message-mode-map)
1447 ;; Allow mail alias things.
1448 (when (eq message-mail-alias-type 'abbrev)
1449 (if (fboundp 'mail-abbrevs-setup)
1450 (mail-abbrevs-setup)
1451 (mail-aliases-setup)))
1452 (message-set-auto-save-file-name)
1453 (unless (string-match "XEmacs" emacs-version)
1454 (set (make-local-variable 'font-lock-defaults)
1455 '(message-font-lock-keywords t)))
1456 (make-local-variable 'adaptive-fill-regexp)
1457 (setq adaptive-fill-regexp
1458 (concat "[ \t]*[-a-z0-9A-Z]*\\(>[ \t]*\\)+[ \t]*\\|" adaptive-fill-regexp))
1459 (unless (boundp 'adaptive-fill-first-line-regexp)
1460 (setq adaptive-fill-first-line-regexp nil))
1461 (make-local-variable 'adaptive-fill-first-line-regexp)
1462 (setq adaptive-fill-first-line-regexp
1463 (concat "[ \t]*[-a-z0-9A-Z]*\\(>[ \t]*\\)+[ \t]*\\|"
1464 adaptive-fill-first-line-regexp))
1465 (mm-enable-multibyte)
1466 (make-local-variable 'indent-tabs-mode) ;Turn off tabs for indentation.
1467 (setq indent-tabs-mode nil)
1469 (run-hooks 'text-mode-hook 'message-mode-hook))
1474 ;;; Message mode commands
1477 ;;; Movement commands
1479 (defun message-goto-to ()
1480 "Move point to the To header."
1482 (message-position-on-field "To"))
1484 (defun message-goto-subject ()
1485 "Move point to the Subject header."
1487 (message-position-on-field "Subject"))
1489 (defun message-goto-cc ()
1490 "Move point to the Cc header."
1492 (message-position-on-field "Cc" "To"))
1494 (defun message-goto-bcc ()
1495 "Move point to the Bcc header."
1497 (message-position-on-field "Bcc" "Cc" "To"))
1499 (defun message-goto-fcc ()
1500 "Move point to the Fcc header."
1502 (message-position-on-field "Fcc" "To" "Newsgroups"))
1504 (defun message-goto-reply-to ()
1505 "Move point to the Reply-To header."
1507 (message-position-on-field "Reply-To" "Subject"))
1509 (defun message-goto-newsgroups ()
1510 "Move point to the Newsgroups header."
1512 (message-position-on-field "Newsgroups"))
1514 (defun message-goto-distribution ()
1515 "Move point to the Distribution header."
1517 (message-position-on-field "Distribution"))
1519 (defun message-goto-followup-to ()
1520 "Move point to the Followup-To header."
1522 (message-position-on-field "Followup-To" "Newsgroups"))
1524 (defun message-goto-keywords ()
1525 "Move point to the Keywords header."
1527 (message-position-on-field "Keywords" "Subject"))
1529 (defun message-goto-summary ()
1530 "Move point to the Summary header."
1532 (message-position-on-field "Summary" "Subject"))
1534 (defun message-goto-body ()
1535 "Move point to the beginning of the message body."
1537 (if (looking-at "[ \t]*\n") (expand-abbrev))
1538 (goto-char (point-min))
1539 (or (search-forward (concat "\n" mail-header-separator "\n") nil t)
1540 (search-forward "\n\n" nil t)))
1542 (defun message-goto-eoh ()
1543 "Move point to the end of the headers."
1548 (defun message-goto-signature ()
1549 "Move point to the beginning of the message signature.
1550 If there is no signature in the article, go to the end and
1553 (goto-char (point-min))
1554 (if (re-search-forward message-signature-separator nil t)
1556 (goto-char (point-max))
1561 (defun message-insert-to (&optional force)
1562 "Insert a To header that points to the author of the article being replied to.
1563 If the original author requested not to be sent mail, the function signals
1565 With the prefix argument FORCE, insert the header anyway."
1567 (let ((co (message-fetch-reply-field "mail-copies-to")))
1568 (when (and (null force)
1570 (or (equal (downcase co) "never")
1571 (equal (downcase co) "nobody")))
1572 (error "The user has requested not to have copies sent via mail")))
1573 (when (and (message-position-on-field "To")
1574 (mail-fetch-field "to")
1575 (not (string-match "\\` *\\'" (mail-fetch-field "to"))))
1577 (insert (or (message-fetch-reply-field "reply-to")
1578 (message-fetch-reply-field "from") "")))
1580 (defun message-insert-newsgroups ()
1581 "Insert the Newsgroups header from the article being replied to."
1583 (when (and (message-position-on-field "Newsgroups")
1584 (mail-fetch-field "newsgroups")
1585 (not (string-match "\\` *\\'" (mail-fetch-field "newsgroups"))))
1587 (insert (or (message-fetch-reply-field "newsgroups") "")))
1591 ;;; Various commands
1593 (defun message-delete-not-region (beg end)
1594 "Delete everything in the body of the current message that is outside of the region."
1598 (delete-region (point) (if (not (message-goto-signature))
1604 (delete-region beg (progn (message-goto-body)
1607 (when (message-goto-signature)
1610 (defun message-kill-to-signature ()
1611 "Deletes all text up to the signature."
1613 (let ((point (point)))
1614 (message-goto-signature)
1617 (kill-region point (point))
1621 (defun message-newline-and-reformat ()
1622 "Insert four newlines, and then reformat if inside quoted text."
1624 (let ((prefix "[]>»|:}+ \t]*")
1625 (supercite-thing "[-._a-zA-Z0-9]*[>]+[ \t]*")
1630 (when (looking-at (concat prefix
1632 (setq quoted (match-string 0))))
1634 (setq point (point))
1636 (delete-region (point) (re-search-forward "[ \t]*"))
1639 (fill-paragraph nil)
1643 (defun message-insert-signature (&optional force)
1644 "Insert a signature. See documentation for the `message-signature' variable."
1645 (interactive (list 0))
1648 ((and (null message-signature)
1651 (goto-char (point-max))
1652 (not (re-search-backward message-signature-separator nil t))))
1653 ((and (null message-signature)
1656 ((message-functionp message-signature)
1657 (funcall message-signature))
1658 ((listp message-signature)
1659 (eval message-signature))
1660 (t message-signature)))
1662 (cond ((stringp signature)
1664 ((and (eq t signature)
1665 message-signature-file
1666 (file-exists-p message-signature-file))
1669 (goto-char (point-max))
1670 ;; Insert the signature.
1674 (if (eq signature t)
1675 (insert-file-contents message-signature-file)
1677 (goto-char (point-max))
1678 (or (bolp) (insert "\n")))))
1680 (defun message-elide-region (b e)
1681 "Elide the text between point and mark.
1682 An ellipsis (from `message-elide-ellipsis') will be inserted where the
1686 (insert message-elide-ellipsis))
1688 (defvar message-caesar-translation-table nil)
1690 (defun message-caesar-region (b e &optional n)
1691 "Caesar rotation of region by N, default 13, for decrypting netnews."
1694 (min (point) (or (mark t) (point)))
1695 (max (point) (or (mark t) (point)))
1696 (when current-prefix-arg
1697 (prefix-numeric-value current-prefix-arg))))
1699 (setq n (if (numberp n) (mod n 26) 13)) ;canonize N
1700 (unless (or (zerop n) ; no action needed for a rot of 0
1701 (= b e)) ; no region to rotate
1702 ;; We build the table, if necessary.
1703 (when (or (not message-caesar-translation-table)
1704 (/= (aref message-caesar-translation-table ?a) (+ ?a n)))
1705 (setq message-caesar-translation-table
1706 (message-make-caesar-translation-table n)))
1707 ;; Then we translate the region. Do it this way to retain
1710 (when (< (char-after b) 255)
1711 (subst-char-in-region
1712 b (1+ b) (char-after b)
1713 (aref message-caesar-translation-table (char-after b))))
1716 (defun message-make-caesar-translation-table (n)
1717 "Create a rot table with offset N."
1719 (table (make-string 256 0)))
1720 (while (< (incf i) 256)
1723 (substring table 0 ?A)
1724 (substring table (+ ?A n) (+ ?A n (- 26 n)))
1725 (substring table ?A (+ ?A n))
1726 (substring table (+ ?A 26) ?a)
1727 (substring table (+ ?a n) (+ ?a n (- 26 n)))
1728 (substring table ?a (+ ?a n))
1729 (substring table (+ ?a 26) 255))))
1731 (defun message-caesar-buffer-body (&optional rotnum)
1732 "Caesar rotates all letters in the current buffer by 13 places.
1733 Used to encode/decode possiblyun offensive messages (commonly in net.jokes).
1734 With prefix arg, specifies the number of places to rotate each letter forward.
1735 Mail and USENET news headers are not rotated."
1736 (interactive (if current-prefix-arg
1737 (list (prefix-numeric-value current-prefix-arg))
1741 (when (message-goto-body)
1742 (narrow-to-region (point) (point-max)))
1743 (message-caesar-region (point-min) (point-max) rotnum))))
1745 (defun message-pipe-buffer-body (program)
1746 "Pipe the message body in the current buffer through PROGRAM."
1749 (when (message-goto-body)
1750 (narrow-to-region (point) (point-max)))
1751 (let ((body (buffer-substring (point-min) (point-max))))
1752 (unless (equal 0 (call-process-region
1753 (point-min) (point-max) program t t))
1755 (message "%s failed" program))))))
1757 (defun message-rename-buffer (&optional enter-string)
1758 "Rename the *message* buffer to \"*message* RECIPIENT\".
1759 If the function is run with a prefix, it will ask for a new buffer
1760 name, rather than giving an automatic name."
1761 (interactive "Pbuffer name: ")
1764 (goto-char (point-min))
1765 (narrow-to-region (point)
1766 (search-forward mail-header-separator nil 'end))
1768 (if (message-news-p) (message-fetch-field "Newsgroups")
1769 (message-fetch-field "To"))
1772 (if (string-match "," mail-to)
1773 (concat (substring mail-to 0 (match-beginning 0)) ", ...")
1775 (name-default (concat "*message* " mail-trimmed-to))
1776 (name (if enter-string
1777 (read-string "New buffer name: " name-default)
1779 (rename-buffer name t)))))
1781 (defun message-fill-yanked-message (&optional justifyp)
1782 "Fill the paragraphs of a message yanked into this one.
1783 Numeric argument means justify as well."
1786 (goto-char (point-min))
1787 (search-forward (concat "\n" mail-header-separator "\n") nil t)
1788 (let ((fill-prefix message-yank-prefix))
1789 (fill-individual-paragraphs (point) (point-max) justifyp))))
1791 (defun message-indent-citation ()
1792 "Modify text just inserted from a message to be cited.
1793 The inserted text should be the region.
1794 When this function returns, the region is again around the modified text.
1796 Normally, indent each nonblank line `message-indentation-spaces' spaces.
1797 However, if `message-yank-prefix' is non-nil, insert that prefix on each line."
1798 (let ((start (point)))
1799 ;; Remove unwanted headers.
1800 (when message-ignored-cited-headers
1805 (if (search-forward "\n\n" nil t)
1808 (message-remove-header message-ignored-cited-headers t)
1809 (when (= (point-min) (point-max))
1810 (setq all-removed t))
1811 (goto-char (point-max)))
1815 ;; Delete blank lines at the start of the buffer.
1816 (while (and (point-min)
1819 (message-delete-line))
1820 ;; Delete blank lines at the end of the buffer.
1821 (goto-char (point-max))
1824 (while (and (zerop (forward-line -1))
1826 (message-delete-line))
1827 ;; Do the indentation.
1828 (if (null message-yank-prefix)
1829 (indent-rigidly start (mark t) message-indentation-spaces)
1832 (while (< (point) (mark t))
1833 (insert message-yank-prefix)
1837 (defun message-yank-original (&optional arg)
1838 "Insert the message being replied to, if any.
1839 Puts point before the text and mark after.
1840 Normally indents each nonblank line ARG spaces (default 3). However,
1841 if `message-yank-prefix' is non-nil, insert that prefix on each line.
1843 This function uses `message-cite-function' to do the actual citing.
1845 Just \\[universal-argument] as argument means don't indent, insert no
1846 prefix, and don't delete any headers."
1848 (let ((modified (buffer-modified-p)))
1849 (when (and message-reply-buffer
1850 message-cite-function)
1851 (delete-windows-on message-reply-buffer t)
1852 (insert-buffer message-reply-buffer)
1853 (funcall message-cite-function)
1854 (message-exchange-point-and-mark)
1858 (setq message-checksum (message-checksum))))))
1860 (defun message-yank-buffer (buffer)
1861 "Insert BUFFER into the current buffer and quote it."
1862 (interactive "bYank buffer: ")
1863 (let ((message-reply-buffer buffer))
1864 (save-window-excursion
1865 (message-yank-original))))
1867 (defun message-buffers ()
1868 "Return a list of active message buffers."
1871 (dolist (buffer (buffer-list t))
1873 (when (and (eq major-mode 'message-mode)
1874 (null message-sent-message-via))
1875 (push (buffer-name buffer) buffers))))
1876 (nreverse buffers)))
1878 (defun message-cite-original-without-signature ()
1879 "Cite function in the standard Message manner."
1880 (let ((start (point))
1883 (when message-indent-citation-function
1884 (if (listp message-indent-citation-function)
1885 message-indent-citation-function
1886 (list message-indent-citation-function)))))
1887 (mml-quote-region start end)
1889 (when (re-search-backward message-signature-separator start t)
1890 ;; Also peel off any blank lines before the signature.
1892 (while (looking-at "^[ \t]*$")
1895 (delete-region (point) end))
1898 (funcall (pop functions)))
1899 (when message-citation-line-function
1902 (funcall message-citation-line-function))))
1904 (defvar mail-citation-hook) ;Compiler directive
1905 (defun message-cite-original ()
1906 "Cite function in the standard Message manner."
1907 (if (and (boundp 'mail-citation-hook)
1909 (run-hooks 'mail-citation-hook)
1910 (let ((start (point))
1913 (when message-indent-citation-function
1914 (if (listp message-indent-citation-function)
1915 message-indent-citation-function
1916 (list message-indent-citation-function)))))
1917 (mml-quote-region start end)
1920 (funcall (pop functions)))
1921 (when message-citation-line-function
1924 (funcall message-citation-line-function)))))
1926 (defun message-insert-citation-line ()
1927 "Function that inserts a simple citation line."
1928 (when message-reply-headers
1929 (insert (mail-header-from message-reply-headers) " writes:\n\n")))
1931 (defun message-position-on-field (header &rest afters)
1932 (let ((case-fold-search t))
1935 (goto-char (point-min))
1938 (concat "^" (regexp-quote mail-header-separator) "$"))
1939 (match-beginning 0)))
1940 (goto-char (point-min))
1941 (if (re-search-forward (concat "^" (regexp-quote header) ":") nil t)
1943 (re-search-forward "^[^ \t]" nil 'move)
1945 (skip-chars-backward "\n")
1948 (not (re-search-forward
1949 (concat "^" (regexp-quote (car afters)) ":")
1953 (re-search-forward "^[^ \t]" nil 'move)
1954 (beginning-of-line))
1955 (insert header ": \n")
1959 (defun message-remove-signature ()
1960 "Remove the signature from the text between point and mark.
1961 The text will also be indented the normal way."
1963 (let ((start (point))
1965 (if (not (re-search-forward message-signature-separator (mark t) t))
1966 ;; No signature here, so we just indent the cited text.
1967 (message-indent-citation)
1968 ;; Find the last non-empty line.
1970 (while (looking-at "[ \t]*$")
1973 (setq mark (set-marker (make-marker) (point)))
1975 (message-indent-citation)
1976 ;; Enable undoing the deletion.
1978 (delete-region mark (mark t))
1979 (set-marker mark nil)))))
1984 ;;; Sending messages
1987 (defun message-send-and-exit (&optional arg)
1988 "Send message like `message-send', then, if no errors, exit from mail buffer."
1990 (let ((buf (current-buffer))
1991 (actions message-exit-actions))
1992 (when (and (message-send arg)
1994 (if message-kill-buffer-on-exit
1997 (when (eq buf (current-buffer))
1998 (message-bury buf)))
1999 (message-do-actions actions)
2002 (defun message-dont-send ()
2003 "Don't send the message you have been editing."
2005 (set-buffer-modified-p t)
2007 (let ((actions message-postpone-actions))
2008 (message-bury (current-buffer))
2009 (message-do-actions actions)))
2011 (defun message-kill-buffer ()
2012 "Kill the current buffer."
2014 (when (or (not (buffer-modified-p))
2015 (yes-or-no-p "Message modified; kill anyway? "))
2016 (let ((actions message-kill-actions))
2017 (setq buffer-file-name nil)
2018 (kill-buffer (current-buffer))
2019 (message-do-actions actions))))
2021 (defun message-bury (buffer)
2022 "Bury this mail buffer."
2023 (let ((newbuf (other-buffer buffer)))
2024 (bury-buffer buffer)
2025 (if (and (fboundp 'frame-parameters)
2026 (cdr (assq 'dedicated (frame-parameters)))
2027 (not (null (delq (selected-frame) (visible-frame-list)))))
2028 (delete-frame (selected-frame))
2029 (switch-to-buffer newbuf))))
2031 (defun message-send (&optional arg)
2032 "Send the message in the current buffer.
2033 If `message-interactive' is non-nil, wait for success indication or
2034 error messages, and inform user.
2035 Otherwise any failure is reported in a message back to the user from
2037 The usage of ARG is defined by the instance that called Message.
2038 It should typically alter the sending method in some way or other."
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))
2136 (message-this-is-mail t)
2137 (message-posting-charset (gnus-setup-posting-charset nil)))
2139 (message-narrow-to-headers)
2140 ;; Insert some headers.
2141 (let ((message-deletable-headers
2142 (if news nil message-deletable-headers)))
2143 (message-generate-headers message-required-mail-headers))
2144 ;; Let the user do all of the above.
2145 (run-hooks 'message-header-hook))
2150 ;; Avoid copying text props.
2152 "%s" (save-excursion
2153 (set-buffer mailbuf)
2155 ;; Remove some headers.
2156 (message-encode-message-body)
2158 (message-narrow-to-headers)
2159 ;; We (re)generate the Lines header.
2160 (when (memq 'Lines message-required-mail-headers)
2161 (message-generate-headers '(Lines)))
2162 ;; Remove some headers.
2163 (message-remove-header message-ignored-mail-headers t)
2164 (mail-encode-encoded-word-buffer))
2165 (goto-char (point-max))
2166 ;; require one newline at the end.
2167 (or (= (preceding-char) ?\n)
2170 (or (message-fetch-field "cc")
2171 (message-fetch-field "to")))
2172 (message-insert-courtesy-copy))
2173 (funcall message-send-mail-function))
2174 (kill-buffer tembuf))
2175 (set-buffer mailbuf)
2176 (push 'mail message-sent-message-via)))
2178 (defun message-send-mail-with-sendmail ()
2179 "Send off the prepared buffer with sendmail."
2180 (let ((errbuf (if message-interactive
2181 (message-generate-new-buffer-clone-locals
2184 resend-to-addresses delimline)
2185 (let ((case-fold-search t))
2187 (message-narrow-to-headers)
2188 (setq resend-to-addresses (message-fetch-field "resent-to")))
2189 ;; Change header-delimiter to be what sendmail expects.
2190 (goto-char (point-min))
2192 (concat "^" (regexp-quote mail-header-separator) "\n"))
2193 (replace-match "\n")
2195 (setq delimline (point-marker))
2196 (run-hooks 'message-send-mail-hook)
2197 ;; Insert an extra newline if we need it to work around
2198 ;; Sun's bug that swallows newlines.
2199 (goto-char (1+ delimline))
2200 (when (eval message-mailer-swallows-blank-line)
2202 (when message-interactive
2206 (let ((default-directory "/")
2207 (coding-system-for-write message-send-coding-system))
2208 (apply 'call-process-region
2209 (append (list (point-min) (point-max)
2210 (if (boundp 'sendmail-program)
2212 "/usr/lib/sendmail")
2213 nil errbuf nil "-oi")
2214 ;; Always specify who from,
2215 ;; since some systems have broken sendmails.
2216 ;; But some systems are more broken with -f, so
2217 ;; we'll let users override this.
2218 (if (null message-sendmail-f-is-evil)
2219 (list "-f" (message-make-address)))
2220 ;; These mean "report errors by mail"
2221 ;; and "deliver in background".
2222 (if (null message-interactive) '("-oem" "-odb"))
2223 ;; Get the addresses from the message
2224 ;; unless this is a resend.
2225 ;; We must not do that for a resend
2226 ;; because we would find the original addresses.
2227 ;; For a resend, include the specific addresses.
2228 (if resend-to-addresses
2229 (list resend-to-addresses)
2231 (when message-interactive
2234 (goto-char (point-min))
2235 (while (re-search-forward "\n\n* *" nil t)
2236 (replace-match "; "))
2237 (if (not (zerop (buffer-size)))
2238 (error "Sending...failed to %s"
2239 (buffer-substring (point-min) (point-max)))))
2240 (when (bufferp errbuf)
2241 (kill-buffer errbuf)))))
2243 (defun message-send-mail-with-qmail ()
2244 "Pass the prepared message buffer to qmail-inject.
2245 Refer to the documentation for the variable `message-send-mail-function'
2246 to find out how to use this."
2247 ;; replace the header delimiter with a blank line
2248 (goto-char (point-min))
2250 (concat "^" (regexp-quote mail-header-separator) "\n"))
2251 (replace-match "\n")
2252 (run-hooks 'message-send-mail-hook)
2255 (let ((coding-system-for-write message-send-coding-system))
2257 'call-process-region 1 (point-max) message-qmail-inject-program
2259 ;; qmail-inject's default behaviour is to look for addresses on the
2260 ;; command line; if there're none, it scans the headers.
2261 ;; yes, it does The Right Thing w.r.t. Resent-To and it's kin.
2263 ;; in general, ALL of qmail-inject's defaults are perfect for simply
2264 ;; reading a formatted (i. e., at least a To: or Resent-To header)
2265 ;; message from stdin.
2267 ;; qmail also has the advantage of not having been raped by
2268 ;; various vendors, so we don't have to allow for that, either --
2269 ;; compare this with message-send-mail-with-sendmail and weep
2270 ;; for sendmail's lost innocence.
2272 ;; all this is way cool coz it lets us keep the arguments entirely
2273 ;; free for -inject-arguments -- a big win for the user and for us
2274 ;; since we don't have to play that double-guessing game and the user
2275 ;; gets full control (no gestapo'ish -f's, for instance). --sj
2276 message-qmail-inject-args))
2277 ;; qmail-inject doesn't say anything on it's stdout/stderr,
2278 ;; we have to look at the retval instead
2280 (1 (error "qmail-inject reported permanent failure"))
2281 (111 (error "qmail-inject reported transient failure"))
2282 ;; should never happen
2283 (t (error "qmail-inject reported unknown failure"))))
2285 (defun message-send-mail-with-mh ()
2286 "Send the prepared message buffer with mh."
2287 (let ((mh-previous-window-config nil)
2288 (name (mh-new-draft-name)))
2289 (setq buffer-file-name name)
2290 ;; MH wants to generate these headers itself.
2291 (when message-mh-deletable-headers
2292 (let ((headers message-mh-deletable-headers))
2294 (goto-char (point-min))
2295 (and (re-search-forward
2296 (concat "^" (symbol-name (car headers)) ": *") nil t)
2297 (message-delete-line))
2299 (run-hooks 'message-send-mail-hook)
2300 ;; Pass it on to mh.
2303 (defun message-send-news (&optional arg)
2304 (let* ((tembuf (message-generate-new-buffer-clone-locals " *message temp*"))
2305 (case-fold-search nil)
2306 (method (if (message-functionp message-post-method)
2307 (funcall message-post-method arg)
2308 message-post-method))
2309 (messbuf (current-buffer))
2310 (message-syntax-checks
2312 (cons '(existing-newsgroups . disabled)
2313 message-syntax-checks)
2314 message-syntax-checks))
2315 (message-this-is-news t)
2316 (message-posting-charset (gnus-setup-posting-charset
2317 (message-fetch-field "Newsgroups")))
2319 (if (not (message-check-news-body-syntax))
2322 (message-narrow-to-headers)
2323 ;; Insert some headers.
2324 (message-generate-headers message-required-news-headers)
2325 ;; Let the user do all of the above.
2326 (run-hooks 'message-header-hook))
2327 (message-cleanup-headers)
2328 (if (not (message-check-news-syntax))
2333 (buffer-disable-undo)
2335 ;; Avoid copying text props.
2337 "%s" (save-excursion
2338 (set-buffer messbuf)
2340 (message-encode-message-body)
2341 ;; Remove some headers.
2343 (message-narrow-to-headers)
2344 ;; We (re)generate the Lines header.
2345 (when (memq 'Lines message-required-mail-headers)
2346 (message-generate-headers '(Lines)))
2347 ;; Remove some headers.
2348 (message-remove-header message-ignored-news-headers t)
2349 (let ((mail-parse-charset (car message-posting-charset)))
2350 (mail-encode-encoded-word-buffer)))
2351 (goto-char (point-max))
2352 ;; require one newline at the end.
2353 (or (= (preceding-char) ?\n)
2355 (let ((case-fold-search t))
2356 ;; Remove the delimiter.
2357 (goto-char (point-min))
2359 (concat "^" (regexp-quote mail-header-separator) "\n"))
2360 (replace-match "\n")
2362 (run-hooks 'message-send-news-hook)
2363 (gnus-open-server method)
2364 (setq result (let ((mail-header-separator ""))
2365 (gnus-request-post method))))
2366 (kill-buffer tembuf))
2367 (set-buffer messbuf)
2369 (push 'news message-sent-message-via)
2370 (message "Couldn't send message via news: %s"
2371 (nnheader-get-report (car method)))
2375 ;;; Header generation & syntax checking.
2378 (defun message-check-element (type)
2379 "Returns non-nil if this type is not to be checked."
2380 (if (eq message-syntax-checks 'dont-check-for-anything-just-trust-me)
2382 (let ((able (assq type message-syntax-checks)))
2384 (eq (cdr able) 'disabled)))))
2386 (defun message-check-news-syntax ()
2387 "Check the syntax of the message."
2391 ;; We narrow to the headers and check them first.
2394 (message-narrow-to-headers)
2395 (message-check-news-header-syntax))))))
2397 (defun message-check-news-header-syntax ()
2399 ;; Check Newsgroups header.
2400 (message-check 'newsgroups
2401 (let ((group (message-fetch-field "newsgroups")))
2404 (not (string-match "\\`[ \t]*\\'" group)))
2407 "The newsgroups field is empty or missing. Posting is denied.")))))
2408 ;; Check the Subject header.
2409 (message-check 'subject
2410 (let* ((case-fold-search t)
2411 (subject (message-fetch-field "subject")))
2414 (not (string-match "\\`[ \t]*\\'" subject)))
2417 "The subject field is empty or missing. Posting is denied.")))))
2418 ;; Check for commands in Subject.
2419 (message-check 'subject-cmsg
2420 (if (string-match "^cmsg " (message-fetch-field "subject"))
2422 "The control code \"cmsg\" is in the subject. Really post? ")
2424 ;; Check for multiple identical headers.
2425 (message-check 'multiple-headers
2427 (while (and (not found)
2428 (re-search-forward "^[^ \t:]+: " nil t))
2430 (or (re-search-forward
2435 (match-beginning 0) (- (match-end 0) 2))))
2440 (y-or-n-p (format "Multiple %s headers. Really post? " found))
2442 ;; Check for Version and Sendsys.
2443 (message-check 'sendsys
2444 (if (re-search-forward "^Sendsys:\\|^Version:" nil t)
2446 (format "The article contains a %s command. Really post? "
2447 (buffer-substring (match-beginning 0)
2448 (1- (match-end 0)))))
2450 ;; See whether we can shorten Followup-To.
2451 (message-check 'shorten-followup-to
2452 (let ((newsgroups (message-fetch-field "newsgroups"))
2453 (followup-to (message-fetch-field "followup-to"))
2455 (when (and newsgroups
2456 (string-match "," newsgroups)
2461 (setq to (completing-read
2462 "Followups to: (default all groups) "
2463 (mapcar (lambda (g) (list g))
2465 (message-tokenize-header
2467 (goto-char (point-min))
2468 (insert "Followup-To: " to "\n"))
2470 ;; Check "Shoot me".
2471 (message-check 'shoot
2472 (if (re-search-forward
2473 "Message-ID.*.i-did-not-set--mail-host-address--so-shoot-me" nil t)
2474 (y-or-n-p "You appear to have a misconfigured system. Really post? ")
2476 ;; Check for Approved.
2477 (message-check 'approved
2478 (if (re-search-forward "^Approved:" nil t)
2479 (y-or-n-p "The article contains an Approved header. Really post? ")
2481 ;; Check the Message-ID header.
2482 (message-check 'message-id
2483 (let* ((case-fold-search t)
2484 (message-id (message-fetch-field "message-id" t)))
2485 (or (not message-id)
2486 ;; Is there an @ in the ID?
2487 (and (string-match "@" message-id)
2488 ;; Is there a dot in the ID?
2489 (string-match "@[^.]*\\." message-id)
2490 ;; Does the ID end with a dot?
2491 (not (string-match "\\.>" message-id)))
2493 (format "The Message-ID looks strange: \"%s\". Really post? "
2495 ;; Check the Newsgroups & Followup-To headers.
2496 (message-check 'existing-newsgroups
2497 (let* ((case-fold-search t)
2498 (newsgroups (message-fetch-field "newsgroups"))
2499 (followup-to (message-fetch-field "followup-to"))
2500 (groups (message-tokenize-header
2502 (concat newsgroups "," followup-to)
2504 (hashtb (and (boundp 'gnus-active-hashtb)
2505 gnus-active-hashtb))
2507 (if (or (not hashtb)
2508 (not (boundp 'gnus-read-active-file))
2509 (not gnus-read-active-file)
2510 (eq gnus-read-active-file 'some))
2513 (when (and (not (boundp (intern (car groups) hashtb)))
2514 (not (equal (car groups) "poster")))
2515 (push (car groups) errors))
2521 "Really post to %s unknown group%s: %s "
2522 (if (= (length errors) 1) "this" "these")
2523 (if (= (length errors) 1) "" "s")
2524 (mapconcat 'identity errors ", ")))))))
2525 ;; Check the Newsgroups & Followup-To headers for syntax errors.
2526 (message-check 'valid-newsgroups
2527 (let ((case-fold-search t)
2528 (headers '("Newsgroups" "Followup-To"))
2530 (while (and headers (not error))
2531 (when (setq header (mail-fetch-field (car headers)))
2535 "\\`\\([-+_&.a-zA-Z0-9]+\\)?\\(,[-+_&.a-zA-Z0-9]+\\)*\\'"
2540 (not (string-match "\\.\\'\\|\\.\\." g)))
2541 (message-tokenize-header header ","))))
2548 (format "The %s header looks odd: \"%s\". Really post? "
2549 (car headers) header)))))
2550 (message-check 'repeated-newsgroups
2551 (let ((case-fold-search t)
2552 (headers '("Newsgroups" "Followup-To"))
2553 header error groups group)
2556 (when (setq header (mail-fetch-field (pop headers)))
2557 (setq groups (message-tokenize-header header ","))
2558 (while (setq group (pop groups))
2559 (when (member group groups)
2565 (format "Group %s is repeated in headers. Really post? " error)))))
2566 ;; Check the From header.
2567 (message-check 'from
2568 (let* ((case-fold-search t)
2569 (from (message-fetch-field "from"))
2573 (message "There is no From line. Posting is denied.")
2575 ((or (not (string-match
2577 (setq ad (nth 1 (mail-extract-address-components
2578 from))))) ;larsi@ifi
2579 (string-match "\\.\\." ad) ;larsi@ifi..uio
2580 (string-match "@\\." ad) ;larsi@.ifi.uio
2581 (string-match "\\.$" ad) ;larsi@ifi.uio.
2582 (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
2583 (string-match "(.*).*(.*)" from)) ;(lars) (lars)
2585 "Denied posting -- the From looks strange: \"%s\"." from)
2589 (defun message-check-news-body-syntax ()
2591 ;; Check for long lines.
2592 (message-check 'long-lines
2593 (goto-char (point-min))
2595 (concat "^" (regexp-quote mail-header-separator) "$"))
2599 (< (current-column) 80))
2600 (zerop (forward-line 1))))
2604 "You have lines longer than 79 characters. Really post? ")))
2605 ;; Check whether the article is empty.
2606 (message-check 'empty
2607 (goto-char (point-min))
2609 (concat "^" (regexp-quote mail-header-separator) "$"))
2612 (goto-char (point-max))
2613 (re-search-backward message-signature-separator nil t)
2615 (or (re-search-backward "[^ \n\t]" b t)
2616 (y-or-n-p "Empty article. Really post? "))))
2617 ;; Check for control characters.
2618 (message-check 'control-chars
2619 (if (re-search-forward "[\000-\007\013\015-\032\034-\037\200-\237]" nil t)
2621 "The article contains control characters. Really post? ")
2623 ;; Check excessive size.
2624 (message-check 'size
2625 (if (> (buffer-size) 60000)
2627 (format "The article is %d octets long. Really post? "
2630 ;; Check whether any new text has been added.
2631 (message-check 'new-text
2633 (not message-checksum)
2634 (not (eq (message-checksum) message-checksum))
2636 "It looks like no new text has been added. Really post? ")))
2637 ;; Check the length of the signature.
2638 (message-check 'signature
2639 (goto-char (point-max))
2640 (if (> (count-lines (point) (point-max)) 5)
2643 "Your .sig is %d lines; it should be max 4. Really post? "
2644 (1- (count-lines (point) (point-max)))))
2647 (defun message-checksum ()
2648 "Return a \"checksum\" for the current buffer."
2651 (goto-char (point-min))
2653 (concat "^" (regexp-quote mail-header-separator) "$"))
2655 (when (not (looking-at "[ \t\n]"))
2656 (setq sum (logxor (ash sum 1) (if (natnump sum) 0 1)
2661 (defun message-do-fcc ()
2662 "Process Fcc headers in the current buffer."
2663 (let ((case-fold-search t)
2664 (buf (current-buffer))
2667 (set-buffer (get-buffer-create " *message temp*"))
2669 (insert-buffer-substring buf)
2671 (message-narrow-to-headers)
2672 (while (setq file (message-fetch-field "fcc"))
2674 (message-remove-header "fcc" nil t)))
2675 (goto-char (point-min))
2676 (re-search-forward (concat "^" (regexp-quote mail-header-separator) "$"))
2677 (replace-match "" t t)
2678 ;; Process FCC operations.
2680 (setq file (pop list))
2681 (if (string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" file)
2682 ;; Pipe the article to the program in question.
2683 (call-process-region (point-min) (point-max) shell-file-name
2684 nil nil nil shell-command-switch
2685 (match-string 1 file))
2686 ;; Save the article.
2687 (setq file (expand-file-name file))
2688 (unless (file-exists-p (file-name-directory file))
2689 (make-directory (file-name-directory file) t))
2690 (if (and message-fcc-handler-function
2691 (not (eq message-fcc-handler-function 'rmail-output)))
2692 (funcall message-fcc-handler-function file)
2693 (if (and (file-readable-p file) (mail-file-babyl-p file))
2694 (rmail-output file 1 nil t)
2695 (let ((mail-use-rfc822 t))
2696 (rmail-output file 1 t t))))))
2698 (kill-buffer (current-buffer)))))
2700 (defun message-output (filename)
2701 "Append this article to Unix/babyl mail file.."
2702 (if (and (file-readable-p filename)
2703 (mail-file-babyl-p filename))
2704 (rmail-output-to-rmail-file filename t)
2705 (gnus-output-to-mail filename t)))
2707 (defun message-cleanup-headers ()
2708 "Do various automatic cleanups of the headers."
2709 ;; Remove empty lines in the header.
2711 (message-narrow-to-headers)
2712 ;; Remove blank lines.
2713 (while (re-search-forward "^[ \t]*\n" nil t)
2714 (replace-match "" t t))
2716 ;; Correct Newsgroups and Followup-To headers: Change sequence of
2717 ;; spaces to comma and eliminate spaces around commas. Eliminate
2718 ;; embedded line breaks.
2719 (goto-char (point-min))
2720 (while (re-search-forward "^\\(Newsgroups\\|Followup-To\\): +" nil t)
2724 (if (re-search-forward "^[^ \t]" nil t)
2728 (goto-char (point-min))
2729 (while (re-search-forward "\n[ \t]+" nil t)
2730 (replace-match " " t t)) ;No line breaks (too confusing)
2731 (goto-char (point-min))
2732 (while (re-search-forward "[ \t\n]*,[ \t\n]*\\|[ \t]+" nil t)
2733 (replace-match "," t t))
2734 (goto-char (point-min))
2735 ;; Remove trailing commas.
2736 (when (re-search-forward ",+$" nil t)
2737 (replace-match "" t t))))))
2739 (defun message-make-date (&optional now)
2740 "Make a valid data header.
2741 If NOW, use that time instead."
2742 (let* ((now (or now (current-time)))
2743 (zone (nth 8 (decode-time now)))
2747 (setq zone (- zone)))
2749 (format-time-string "%d" now)
2750 ;; The month name of the %b spec is locale-specific. Pfff.
2752 (capitalize (car (rassoc (nth 4 (decode-time now))
2753 parse-time-months))))
2754 (format-time-string "%Y %H:%M:%S " now)
2755 ;; We do all of this because XEmacs doesn't have the %z spec.
2756 (format "%s%02d%02d" sign (/ zone 3600) (/ (% zone 3600) 60)))))
2758 (defun message-make-message-id ()
2759 "Make a unique Message-ID."
2760 (concat "<" (message-unique-id)
2761 (let ((psubject (save-excursion (message-fetch-field "subject")))
2763 (save-excursion (message-fetch-field "supersedes"))))
2765 (and message-reply-headers
2766 (mail-header-references message-reply-headers)
2767 (mail-header-subject message-reply-headers)
2769 (mail-header-subject message-reply-headers)
2771 (message-strip-subject-re
2772 (mail-header-subject message-reply-headers))
2773 (message-strip-subject-re psubject))))
2775 (string-match "_-_@" psupersedes)))
2777 "@" (message-make-fqdn) ">"))
2779 (defvar message-unique-id-char nil)
2781 ;; If you ever change this function, make sure the new version
2782 ;; cannot generate IDs that the old version could.
2783 ;; You might for example insert a "." somewhere (not next to another dot
2784 ;; or string boundary), or modify the "fsf" string.
2785 (defun message-unique-id ()
2786 ;; Don't use microseconds from (current-time), they may be unsupported.
2787 ;; Instead we use this randomly inited counter.
2788 (setq message-unique-id-char
2789 (% (1+ (or message-unique-id-char (logand (random t) (1- (lsh 1 20)))))
2790 ;; (current-time) returns 16-bit ints,
2791 ;; and 2^16*25 just fits into 4 digits i base 36.
2793 (let ((tm (current-time)))
2795 (if (memq system-type '(ms-dos emx vax-vms))
2796 (let ((user (downcase (user-login-name))))
2797 (while (string-match "[^a-z0-9_]" user)
2798 (aset user (match-beginning 0) ?_))
2800 (message-number-base36 (user-uid) -1))
2801 (message-number-base36 (+ (car tm)
2802 (lsh (% message-unique-id-char 25) 16)) 4)
2803 (message-number-base36 (+ (nth 1 tm)
2804 (lsh (/ message-unique-id-char 25) 16)) 4)
2805 ;; Append the newsreader name, because while the generated
2806 ;; ID is unique to this newsreader, other newsreaders might
2807 ;; otherwise generate the same ID via another algorithm.
2810 (defun message-number-base36 (num len)
2815 (concat (message-number-base36 (/ num 36) (1- len))
2816 (char-to-string (aref "zyxwvutsrqponmlkjihgfedcba9876543210"
2819 (defun message-make-organization ()
2820 "Make an Organization header."
2821 (let* ((organization
2822 (when message-user-organization
2823 (if (message-functionp message-user-organization)
2824 (funcall message-user-organization)
2825 message-user-organization))))
2827 (message-set-work-buffer)
2828 (cond ((stringp organization)
2829 (insert organization))
2830 ((and (eq t organization)
2831 message-user-organization-file
2832 (file-exists-p message-user-organization-file))
2833 (insert-file-contents message-user-organization-file)))
2834 (goto-char (point-min))
2835 (while (re-search-forward "[\t\n]+" nil t)
2836 (replace-match "" t t))
2837 (unless (zerop (buffer-size))
2840 (defun message-make-lines ()
2841 "Count the number of lines and return numeric string."
2845 (goto-char (point-min))
2847 (concat "^" (regexp-quote mail-header-separator) "$"))
2849 (int-to-string (count-lines (point) (point-max))))))
2851 (defun message-make-in-reply-to ()
2852 "Return the In-Reply-To header for this message."
2853 (when message-reply-headers
2854 (let ((from (mail-header-from message-reply-headers))
2855 (date (mail-header-date message-reply-headers)))
2858 (string-match " *at \\| *@ \\| *(\\| *<" from)))
2859 (concat (if (and stop-pos
2860 (not (zerop stop-pos)))
2861 (substring from 0 stop-pos) from)
2863 (if (or (not date) (string= date ""))
2864 "(unknown date)" date)
2867 (defun message-make-distribution ()
2868 "Make a Distribution header."
2869 (let ((orig-distribution (message-fetch-reply-field "distribution")))
2870 (cond ((message-functionp message-distribution-function)
2871 (funcall message-distribution-function))
2872 (t orig-distribution))))
2874 (defun message-make-expires ()
2875 "Return an Expires header based on `message-expires'."
2876 (let ((current (current-time))
2877 (future (* 1.0 message-expires 60 60 24)))
2878 ;; Add the future to current.
2879 (setcar current (+ (car current) (round (/ future (expt 2 16)))))
2880 (setcar (cdr current) (+ (nth 1 current) (% (round future) (expt 2 16))))
2881 (message-make-date current)))
2883 (defun message-make-path ()
2885 (let ((login-name (user-login-name)))
2886 (cond ((null message-user-path)
2887 (concat (system-name) "!" login-name))
2888 ((stringp message-user-path)
2889 ;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com.
2890 (concat message-user-path "!" login-name))
2893 (defun message-make-from ()
2894 "Make a From header."
2895 (let* ((style message-from-style)
2896 (login (message-make-address))
2898 (or (and (boundp 'user-full-name)
2901 (when (string= fullname "&")
2902 (setq fullname (user-login-name)))
2904 (message-set-work-buffer)
2907 (equal fullname ""))
2909 ((or (eq style 'angles)
2910 (and (not (eq style 'parens))
2911 ;; Use angles if no quoting is needed, or if parens would
2912 ;; need quoting too.
2913 (or (not (string-match "[^- !#-'*+/-9=?A-Z^-~]" fullname))
2914 (let ((tmp (concat fullname nil)))
2915 (while (string-match "([^()]*)" tmp)
2916 (aset tmp (match-beginning 0) ?-)
2917 (aset tmp (1- (match-end 0)) ?-))
2918 (string-match "[\\()]" tmp)))))
2920 (goto-char (point-min))
2921 ;; Look for a character that cannot appear unquoted
2922 ;; according to RFC 822.
2923 (when (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" nil 1)
2924 ;; Quote fullname, escaping specials.
2925 (goto-char (point-min))
2927 (while (re-search-forward "[\"\\]" nil 1)
2928 (replace-match "\\\\\\&" t))
2930 (insert " <" login ">"))
2931 (t ; 'parens or default
2933 (let ((fullname-start (point)))
2935 (goto-char fullname-start)
2936 ;; RFC 822 says \ and nonmatching parentheses
2937 ;; must be escaped in comments.
2938 ;; Escape every instance of ()\ ...
2939 (while (re-search-forward "[()\\]" nil 1)
2940 (replace-match "\\\\\\&" t))
2941 ;; ... then undo escaping of matching parentheses,
2942 ;; including matching nested parentheses.
2943 (goto-char fullname-start)
2944 (while (re-search-forward
2945 "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
2947 (replace-match "\\1(\\3)" t)
2948 (goto-char fullname-start)))
2952 (defun message-make-sender ()
2953 "Return the \"real\" user address.
2954 This function tries to ignore all user modifications, and
2955 give as trustworthy answer as possible."
2956 (concat (user-login-name) "@" (system-name)))
2958 (defun message-make-address ()
2959 "Make the address of the user."
2960 (or (message-user-mail-address)
2961 (concat (user-login-name) "@" (message-make-domain))))
2963 (defun message-user-mail-address ()
2964 "Return the pertinent part of `user-mail-address'."
2965 (when user-mail-address
2966 (if (string-match " " user-mail-address)
2967 (nth 1 (mail-extract-address-components user-mail-address))
2968 user-mail-address)))
2970 (defun message-make-fqdn ()
2971 "Return user's fully qualified domain name."
2972 (let ((system-name (system-name))
2973 (user-mail (message-user-mail-address)))
2975 ((string-match "[^.]\\.[^.]" system-name)
2976 ;; `system-name' returned the right result.
2978 ;; Try `mail-host-address'.
2979 ((and (boundp 'mail-host-address)
2980 (stringp mail-host-address)
2981 (string-match "\\." mail-host-address))
2983 ;; We try `user-mail-address' as a backup.
2985 (string-match "\\." user-mail)
2986 (string-match "@\\(.*\\)\\'" user-mail))
2987 (match-string 1 user-mail))
2988 ;; Default to this bogus thing.
2990 (concat system-name ".i-did-not-set--mail-host-address--so-shoot-me")))))
2992 (defun message-make-host-name ()
2993 "Return the name of the host."
2994 (let ((fqdn (message-make-fqdn)))
2995 (string-match "^[^.]+\\." fqdn)
2996 (substring fqdn 0 (1- (match-end 0)))))
2998 (defun message-make-domain ()
2999 "Return the domain name."
3000 (or mail-host-address
3001 (message-make-fqdn)))
3003 (defun message-generate-headers (headers)
3004 "Prepare article HEADERS.
3005 Headers already prepared in the buffer are not modified."
3007 (message-narrow-to-headers)
3008 (let* ((Date (message-make-date))
3009 (Message-ID (message-make-message-id))
3010 (Organization (message-make-organization))
3011 (From (message-make-from))
3012 (Path (message-make-path))
3015 (In-Reply-To (message-make-in-reply-to))
3017 (Distribution (message-make-distribution))
3018 (Lines (message-make-lines))
3019 (User-Agent message-newsreader)
3020 (Expires (message-make-expires))
3021 (case-fold-search t)
3023 ;; First we remove any old generated headers.
3024 (let ((headers message-deletable-headers))
3025 (unless (buffer-modified-p)
3026 (setq headers (delq 'Message-ID (copy-sequence headers))))
3028 (goto-char (point-min))
3029 (and (re-search-forward
3030 (concat "^" (symbol-name (car headers)) ": *") nil t)
3031 (get-text-property (1+ (match-beginning 0)) 'message-deletable)
3032 (message-delete-line))
3034 ;; Go through all the required headers and see if they are in the
3035 ;; articles already. If they are not, or are empty, they are
3036 ;; inserted automatically - except for Subject, Newsgroups and
3039 (goto-char (point-min))
3040 (setq elem (pop headers))
3042 (if (eq (car elem) 'optional)
3043 (setq header (cdr elem))
3044 (setq header (car elem)))
3046 (when (or (not (re-search-forward
3050 (if (stringp header)
3052 (symbol-name header))))
3056 ;; The header was found. We insert a space after the
3057 ;; colon, if there is none.
3058 (if (/= (char-after) ? ) (insert " ") (forward-char 1))
3059 ;; Find out whether the header is empty...
3060 (looking-at "[ \t]*\n[^ \t]")))
3061 ;; So we find out what value we should insert.
3064 ((and (consp elem) (eq (car elem) 'optional))
3065 ;; This is an optional header. If the cdr of this
3066 ;; is something that is nil, then we do not insert
3068 (setq header (cdr elem))
3069 (or (and (fboundp (cdr elem)) (funcall (cdr elem)))
3070 (and (boundp (cdr elem)) (symbol-value (cdr elem)))))
3072 ;; The element is a cons. Either the cdr is a
3073 ;; string to be inserted verbatim, or it is a
3074 ;; function, and we insert the value returned from
3076 (or (and (stringp (cdr elem)) (cdr elem))
3077 (and (fboundp (cdr elem)) (funcall (cdr elem)))))
3078 ((and (boundp header) (symbol-value header))
3079 ;; The element is a symbol. We insert the value
3080 ;; of this symbol, if any.
3081 (symbol-value header))
3083 ;; We couldn't generate a value for this header,
3084 ;; so we just ask the user.
3085 (read-from-minibuffer
3086 (format "Empty header for %s; enter value: " header)))))
3087 ;; Finally insert the header.
3089 (not (equal value "")))
3093 ;; This header didn't exist, so we insert it.
3094 (goto-char (point-max))
3095 (insert (if (stringp header) header (symbol-name header))
3098 ;; The value of this header was empty, so we clear
3099 ;; totally and insert the new value.
3100 (delete-region (point) (gnus-point-at-eol))
3102 ;; Add the deletable property to the headers that require it.
3103 (and (memq header message-deletable-headers)
3104 (progn (beginning-of-line) (looking-at "[^:]+: "))
3105 (add-text-properties
3106 (point) (match-end 0)
3107 '(message-deletable t face italic) (current-buffer)))))))
3108 ;; Insert new Sender if the From is strange.
3109 (let ((from (message-fetch-field "from"))
3110 (sender (message-fetch-field "sender"))
3111 (secure-sender (message-make-sender)))
3113 (not (message-check-element 'sender))
3116 (cadr (mail-extract-address-components from)))
3117 (downcase secure-sender)))
3122 (cadr (mail-extract-address-components sender)))
3123 (downcase secure-sender)))))
3124 (goto-char (point-min))
3125 ;; Rename any old Sender headers to Original-Sender.
3126 (when (re-search-forward "^\\(Original-\\)*Sender:" nil t)
3128 (insert "Original-")
3129 (beginning-of-line))
3130 (when (or (message-news-p)
3131 (string-match "@.+\\.." secure-sender))
3132 (insert "Sender: " secure-sender "\n")))))))
3134 (defun message-insert-courtesy-copy ()
3135 "Insert a courtesy message in mail copies of combined messages."
3139 (message-narrow-to-headers)
3140 (when (setq newsgroups (message-fetch-field "newsgroups"))
3141 (goto-char (point-max))
3142 (insert "Posted-To: " newsgroups "\n")))
3144 (when message-courtesy-message
3146 ((string-match "%s" message-courtesy-message)
3147 (insert (format message-courtesy-message newsgroups)))
3149 (insert message-courtesy-message)))))))
3152 ;;; Setting up a message buffer
3155 (defun message-fill-address (header value)
3157 (narrow-to-region (point) (point))
3158 (insert (capitalize (symbol-name header))
3160 (if (consp value) (car value) value)
3162 (narrow-to-region (point-min) (1- (point-max)))
3164 (goto-char (point-min))
3166 (skip-chars-forward "^,\"" (point-max))
3167 (if (or (eq (char-after) ?,)
3170 (if (and (> (current-column) 78)
3176 (setq last (1+ (point))))
3177 (setq last (1+ (point)))))
3178 (setq quoted (not quoted)))
3181 (goto-char (point-max))
3185 (defun message-fill-header (header value)
3186 (let ((begin (point))
3189 (insert (capitalize (symbol-name header))
3191 (if (consp value) (car value) value)
3194 (narrow-to-region begin (point))
3195 (fill-region-as-paragraph begin (point))
3196 ;; Tapdance around looong Message-IDs.
3198 (when (looking-at "[ \t]*$")
3199 (message-delete-line))
3201 (re-search-forward ":" nil t)
3202 (when (looking-at "\n[ \t]+")
3203 (replace-match " " t t))
3204 (goto-char (point-max)))))
3206 (defun message-shorten-1 (list cut surplus)
3207 ;; Cut SURPLUS elements out of LIST, beginning with CUTth one.
3208 (setcdr (nthcdr (- cut 2) list)
3209 (nthcdr (+ (- cut 2) surplus 1) list)))
3211 (defun message-shorten-references (header references)
3212 "Trim REFERENCES to be less than 31 Message-ID long, and fold them.
3213 If folding is disallowed, also check that the REFERENCES are less
3214 than 988 characters long, and if they are not, trim them until they are."
3221 (goto-char (point-min))
3222 ;; Cons a list of valid references.
3223 (while (re-search-forward "<[^>]+>" nil t)
3224 (push (match-string 0) refs))
3225 (setq refs (nreverse refs)
3226 count (length refs)))
3228 ;; If the list has more than MAXCOUNT elements, trim it by
3229 ;; removing the CUTth element and the required number of
3230 ;; elements that follow.
3231 (when (> count maxcount)
3232 (let ((surplus (- count maxcount)))
3233 (message-shorten-1 refs cut surplus)
3234 (decf count surplus)))
3236 ;; If folding is disallowed, make sure the total length (including
3237 ;; the spaces between) will be less than MAXSIZE characters.
3238 (when message-cater-to-broken-inn
3240 (totalsize (+ (apply #'+ (mapcar #'length refs))
3243 (ptr (nthcdr (1- cut) refs)))
3244 ;; Decide how many elements to cut off...
3245 (while (> totalsize maxsize)
3246 (decf totalsize (1+ (length (car ptr))))
3248 (setq ptr (cdr ptr)))
3251 (message-shorten-1 refs cut surplus))))
3253 ;; Finally, collect the references back into a string and insert
3254 ;; it into the buffer.
3255 (let ((refstring (mapconcat #'identity refs " ")))
3256 (if message-cater-to-broken-inn
3257 (insert (capitalize (symbol-name header)) ": "
3259 (message-fill-header header refstring)))))
3261 (defun message-position-point ()
3262 "Move point to where the user probably wants to find it."
3263 (message-narrow-to-headers)
3265 ((re-search-forward "^[^:]+:[ \t]*$" nil t)
3266 (search-backward ":" )
3269 (if (eq (char-after) ? )
3273 (goto-char (point-max))
3276 (unless (looking-at "$")
3280 (defun message-buffer-name (type &optional to group)
3281 "Return a new (unique) buffer name based on TYPE and TO."
3283 ;; Generate a new buffer name The Message Way.
3284 ((eq message-generate-new-buffers 'unique)
3285 (generate-new-buffer-name
3289 (or (car (mail-extract-address-components to))
3292 (if (and group (not (string= group ""))) (concat " on " group) "")
3294 ;; Check whether `message-generate-new-buffers' is a function,
3295 ;; and if so, call it.
3296 ((message-functionp message-generate-new-buffers)
3297 (funcall message-generate-new-buffers type to group))
3298 ((eq message-generate-new-buffers 'unsent)
3299 (generate-new-buffer-name
3300 (concat "*unsent " type
3303 (or (car (mail-extract-address-components to))
3306 (if (and group (not (string= group ""))) (concat " on " group) "")
3308 ;; Use standard name.
3310 (format "*%s message*" type))))
3312 (defun message-pop-to-buffer (name)
3313 "Pop to buffer NAME, and warn if it already exists and is modified."
3314 (let ((buffer (get-buffer name)))
3316 (buffer-name buffer))
3318 (set-buffer (pop-to-buffer buffer))
3319 (when (and (buffer-modified-p)
3321 "Message already being composed; erase? ")))
3322 (error "Message being composed")))
3323 (set-buffer (pop-to-buffer name)))
3327 (defun message-do-send-housekeeping ()
3328 "Kill old message buffers."
3329 ;; We might have sent this buffer already. Delete it from the
3331 (setq message-buffer-list (delq (current-buffer) message-buffer-list))
3332 (while (and message-max-buffers
3334 (>= (length message-buffer-list) message-max-buffers))
3335 ;; Kill the oldest buffer -- unless it has been changed.
3336 (let ((buffer (pop message-buffer-list)))
3337 (when (and (buffer-name buffer)
3338 (not (buffer-modified-p buffer)))
3339 (kill-buffer buffer))))
3340 ;; Rename the buffer.
3341 (if message-send-rename-function
3342 (funcall message-send-rename-function)
3343 (when (string-match "\\`\\*\\(unsent \\)?" (buffer-name))
3345 (concat "*sent " (substring (buffer-name) (match-end 0))) t)))
3346 ;; Push the current buffer onto the list.
3347 (when message-max-buffers
3348 (setq message-buffer-list
3349 (nconc message-buffer-list (list (current-buffer))))))
3351 (defvar mc-modes-alist)
3352 (defun message-setup (headers &optional replybuffer actions)
3353 (when (and (boundp 'mc-modes-alist)
3354 (not (assq 'message-mode mc-modes-alist)))
3355 (push '(message-mode (encrypt . mc-encrypt-message)
3356 (sign . mc-sign-message))
3359 (setq message-send-actions actions))
3360 (setq message-reply-buffer replybuffer)
3361 (goto-char (point-min))
3362 ;; Insert all the headers.
3365 (alist message-header-format-alist))
3367 (unless (assq (caar h) message-header-format-alist)
3368 (push (list (caar h)) alist))
3372 (delete-region (point) (progn (forward-line -1) (point)))
3373 (when message-default-headers
3374 (insert message-default-headers)
3375 (or (bolp) (insert ?\n)))
3379 (insert mail-header-separator "\n")
3383 (when (message-news-p)
3384 (when message-default-news-headers
3385 (insert message-default-news-headers)
3386 (or (bolp) (insert ?\n)))
3387 (when message-generate-headers-first
3388 (message-generate-headers
3391 (copy-sequence message-required-news-headers))))))
3392 (when (message-mail-p)
3393 (when message-default-mail-headers
3394 (insert message-default-mail-headers)
3395 (or (bolp) (insert ?\n)))
3396 (when message-generate-headers-first
3397 (message-generate-headers
3400 (copy-sequence message-required-mail-headers))))))
3401 (run-hooks 'message-signature-setup-hook)
3402 (message-insert-signature)
3404 (message-narrow-to-headers)
3405 (run-hooks 'message-header-setup-hook))
3406 (set-buffer-modified-p nil)
3407 (setq buffer-undo-list nil)
3408 (run-hooks 'message-setup-hook)
3409 (message-position-point)
3412 (defun message-set-auto-save-file-name ()
3413 "Associate the message buffer with a file in the drafts directory."
3414 (when message-auto-save-directory
3416 (setq message-draft-article
3417 (nndraft-request-associate-buffer "drafts"))
3418 (setq buffer-file-name (expand-file-name "*message*"
3419 message-auto-save-directory))
3420 (setq buffer-auto-save-file-name (make-auto-save-file-name)))
3421 (clear-visited-file-modtime)
3422 (setq buffer-file-coding-system message-draft-coding-system)))
3424 (defun message-disassociate-draft ()
3425 "Disassociate the message buffer from the drafts directory."
3426 (when message-draft-article
3427 (nndraft-request-expire-articles
3428 (list message-draft-article) "drafts" nil t)))
3430 (defun message-insert-headers ()
3431 "Generate the headers for the article."
3435 (message-narrow-to-headers)
3436 (when (message-news-p)
3437 (message-generate-headers
3440 (copy-sequence message-required-news-headers)))))
3441 (when (message-mail-p)
3442 (message-generate-headers
3445 (copy-sequence message-required-mail-headers))))))))
3450 ;;; Commands for interfacing with message
3454 (defun message-mail (&optional to subject
3455 other-headers continue switch-function
3456 yank-action send-actions)
3457 "Start editing a mail message to be sent.
3458 OTHER-HEADERS is an alist of header/value pairs."
3460 (let ((message-this-is-mail t))
3461 (message-pop-to-buffer (message-buffer-name "mail" to))
3464 `((To . ,(or to "")) (Subject . ,(or subject "")))
3465 (when other-headers other-headers)))))
3468 (defun message-news (&optional newsgroups subject)
3469 "Start editing a news article to be sent."
3471 (let ((message-this-is-news t))
3472 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups))
3473 (message-setup `((Newsgroups . ,(or newsgroups ""))
3474 (Subject . ,(or subject ""))))))
3477 (defun message-reply (&optional to-address wide)
3478 "Start editing a reply to the article in the current buffer."
3480 (let ((cur (current-buffer))
3481 from subject date reply-to to cc
3482 references message-id follow-to
3483 (inhibit-point-motion-hooks t)
3484 (message-this-is-mail t)
3485 mct never-mct gnus-warning)
3487 (message-narrow-to-head)
3488 ;; Allow customizations to have their say.
3490 ;; This is a regular reply.
3491 (if (message-functionp message-reply-to-function)
3492 (setq follow-to (funcall message-reply-to-function)))
3493 ;; This is a followup.
3494 (if (message-functionp message-wide-reply-to-function)
3497 (funcall message-wide-reply-to-function)))))
3498 ;; Find all relevant headers we need.
3499 (setq from (message-fetch-field "from")
3500 date (message-fetch-field "date")
3501 subject (or (message-fetch-field "subject") "none")
3502 to (message-fetch-field "to")
3503 cc (message-fetch-field "cc")
3504 mct (message-fetch-field "mail-copies-to")
3505 reply-to (message-fetch-field "reply-to")
3506 references (message-fetch-field "references")
3507 message-id (message-fetch-field "message-id" t))
3508 ;; Remove any (buggy) Re:'s that are present and make a
3510 (when (string-match message-subject-re-regexp subject)
3511 (setq subject (substring subject (match-end 0))))
3512 (setq subject (concat "Re: " subject))
3514 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
3515 (string-match "<[^>]+>" gnus-warning))
3516 (setq message-id (match-string 0 gnus-warning)))
3518 ;; Handle special values of Mail-Copies-To.
3520 (cond ((or (equal (downcase mct) "never")
3521 (equal (downcase mct) "nobody"))
3524 ((or (equal (downcase mct) "always")
3525 (equal (downcase mct) "poster"))
3526 (setq mct (or reply-to from)))))
3532 (setq follow-to (list (cons 'To (or to-address reply-to from))))
3533 (when (and wide mct)
3534 (push (cons 'Cc mct) follow-to)))
3537 (message-set-work-buffer)
3539 (insert (or reply-to from "")))
3540 (insert (if to (concat (if (bolp) "" ", ") to "") ""))
3541 (insert (if mct (concat (if (bolp) "" ", ") mct) ""))
3542 (insert (if cc (concat (if (bolp) "" ", ") cc) ""))
3543 (goto-char (point-min))
3544 (while (re-search-forward "[ \t]+" nil t)
3545 (replace-match " " t t))
3546 ;; Remove addresses that match `rmail-dont-reply-to-names'.
3547 (let ((rmail-dont-reply-to-names message-dont-reply-to-names))
3548 (insert (prog1 (rmail-dont-reply-to (buffer-string))
3550 (goto-char (point-min))
3551 ;; Perhaps Mail-Copies-To: never removed the only address?
3553 (insert (or reply-to from "")))
3557 (cons (mail-strip-quoted-names addr) addr))
3558 (message-tokenize-header (buffer-string))))
3561 (setq ccalist (delq (assoc (car (pop s)) s) ccalist)))))
3562 (setq follow-to (list (cons 'To (cdr (pop ccalist)))))
3564 (let ((ccs (cons 'Cc (mapconcat
3565 (lambda (addr) (cdr addr)) ccalist ", "))))
3566 (when (string-match "^ +" (cdr ccs))
3567 (setcdr ccs (substring (cdr ccs) (match-end 0))))
3568 (push ccs follow-to))))))
3571 (message-pop-to-buffer (message-buffer-name
3572 (if wide "wide reply" "reply") from
3573 (if wide to-address nil)))
3575 (setq message-reply-headers
3576 (vector 0 subject from date message-id references 0 0 ""))
3579 `((Subject . ,subject)
3581 ,@(if (or references message-id)
3582 `((References . ,(concat (or references "") (and references " ")
3583 (or message-id ""))))
3588 (defun message-wide-reply (&optional to-address)
3589 "Make a \"wide\" reply to the message in the current buffer."
3591 (message-reply to-address t))
3594 (defun message-followup (&optional to-newsgroups)
3595 "Follow up to the message in the current buffer.
3596 If TO-NEWSGROUPS, use that as the new Newsgroups line."
3598 (let ((cur (current-buffer))
3599 from subject date reply-to mct
3600 references message-id follow-to
3601 (inhibit-point-motion-hooks t)
3602 (message-this-is-news t)
3603 followup-to distribution newsgroups gnus-warning posted-to)
3606 (goto-char (point-min))
3607 (if (search-forward "\n\n" nil t)
3610 (when (message-functionp message-followup-to-function)
3612 (funcall message-followup-to-function)))
3613 (setq from (message-fetch-field "from")
3614 date (message-fetch-field "date")
3615 subject (or (message-fetch-field "subject") "none")
3616 references (message-fetch-field "references")
3617 message-id (message-fetch-field "message-id" t)
3618 followup-to (message-fetch-field "followup-to")
3619 newsgroups (message-fetch-field "newsgroups")
3620 posted-to (message-fetch-field "posted-to")
3621 reply-to (message-fetch-field "reply-to")
3622 distribution (message-fetch-field "distribution")
3623 mct (message-fetch-field "mail-copies-to"))
3624 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
3625 (string-match "<[^>]+>" gnus-warning))
3626 (setq message-id (match-string 0 gnus-warning)))
3627 ;; Remove bogus distribution.
3628 (when (and (stringp distribution)
3629 (let ((case-fold-search t))
3630 (string-match "world" distribution)))
3631 (setq distribution nil))
3632 ;; Remove any (buggy) Re:'s that are present and make a
3634 (when (string-match message-subject-re-regexp subject)
3635 (setq subject (substring subject (match-end 0))))
3636 (setq subject (concat "Re: " subject))
3639 (message-pop-to-buffer (message-buffer-name "followup" from newsgroups))
3642 `((Subject . ,subject)
3645 (list (cons 'Newsgroups to-newsgroups)))
3646 (follow-to follow-to)
3647 ((and followup-to message-use-followup-to)
3650 ((equal (downcase followup-to) "poster")
3651 (if (or (eq message-use-followup-to 'use)
3652 (message-y-or-n-p "Obey Followup-To: poster? " t "\
3653 You should normally obey the Followup-To: header.
3655 `Followup-To: poster' sends your response via e-mail instead of news.
3657 A typical situation where `Followup-To: poster' is used is when the poster
3658 does not read the newsgroup, so he wouldn't see any replies sent to it."))
3660 (setq message-this-is-news nil)
3661 (cons 'To (or reply-to from "")))
3662 (cons 'Newsgroups newsgroups)))
3664 (if (or (equal followup-to newsgroups)
3665 (not (eq message-use-followup-to 'ask))
3667 (concat "Obey Followup-To: " followup-to "? ") t "\
3668 You should normally obey the Followup-To: header.
3670 `Followup-To: " followup-to "'
3671 directs your response to " (if (string-match "," followup-to)
3672 "the specified newsgroups"
3673 "that newsgroup only") ".
3675 If a message is posted to several newsgroups, Followup-To is often
3676 used to direct the following discussion to one newsgroup only,
3677 because discussions that are spread over several newsgroup tend to
3678 be fragmented and very difficult to follow.
3680 Also, some source/announcement newsgroups are not indented for discussion;
3681 responses here are directed to other newsgroups."))
3682 (cons 'Newsgroups followup-to)
3683 (cons 'Newsgroups newsgroups))))))
3685 `((Newsgroups . ,posted-to)))
3687 `((Newsgroups . ,newsgroups))))
3688 ,@(and distribution (list (cons 'Distribution distribution)))
3689 ,@(if (or references message-id)
3690 `((References . ,(concat (or references "") (and references " ")
3691 (or message-id "")))))
3693 (not (or (equal (downcase mct) "never")
3694 (equal (downcase mct) "nobody"))))
3695 (list (cons 'Cc (if (or (equal (downcase mct) "always")
3696 (equal (downcase mct) "poster"))
3697 (or reply-to from "")
3702 (setq message-reply-headers
3703 (vector 0 subject from date message-id references 0 0 ""))))
3707 (defun message-cancel-news ()
3708 "Cancel an article you posted."
3710 (unless (message-news-p)
3711 (error "This is not a news article; canceling is impossible"))
3712 (when (yes-or-no-p "Do you really want to cancel this article? ")
3713 (let (from newsgroups message-id distribution buf sender)
3715 ;; Get header info from original article.
3717 (message-narrow-to-head)
3718 (setq from (message-fetch-field "from")
3719 sender (message-fetch-field "sender")
3720 newsgroups (message-fetch-field "newsgroups")
3721 message-id (message-fetch-field "message-id" t)
3722 distribution (message-fetch-field "distribution")))
3723 ;; Make sure that this article was written by the user.
3724 (unless (or (and sender
3727 (downcase (message-make-sender))))
3729 (downcase (cadr (mail-extract-address-components from)))
3730 (downcase (cadr (mail-extract-address-components
3731 (message-make-from))))))
3732 (error "This article is not yours"))
3733 ;; Make control message.
3734 (setq buf (set-buffer (get-buffer-create " *message cancel*")))
3736 (insert "Newsgroups: " newsgroups "\n"
3737 "From: " (message-make-from) "\n"
3738 "Subject: cmsg cancel " message-id "\n"
3739 "Control: cancel " message-id "\n"
3741 (concat "Distribution: " distribution "\n")
3743 mail-header-separator "\n"
3744 message-cancel-message)
3745 (run-hooks 'message-cancel-hook)
3746 (message "Canceling your article...")
3747 (if (let ((message-syntax-checks
3748 'dont-check-for-anything-just-trust-me))
3749 (funcall message-send-news-function))
3750 (message "Canceling your article...done"))
3751 (kill-buffer buf)))))
3754 (defun message-supersede ()
3755 "Start composing a message to supersede the current message.
3756 This is done simply by taking the old article and adding a Supersedes
3757 header line with the old Message-ID."
3759 (let ((cur (current-buffer))
3760 (sender (message-fetch-field "sender"))
3761 (from (message-fetch-field "from")))
3762 ;; Check whether the user owns the article that is to be superseded.
3763 (unless (or (and sender
3766 (downcase (message-make-sender))))
3768 (downcase (cadr (mail-extract-address-components from)))
3769 (downcase (cadr (mail-extract-address-components
3770 (message-make-from))))))
3771 (error "This article is not yours"))
3772 ;; Get a normal message buffer.
3773 (message-pop-to-buffer (message-buffer-name "supersede"))
3774 (insert-buffer-substring cur)
3775 (message-narrow-to-head)
3776 ;; Remove unwanted headers.
3777 (when message-ignored-supersedes-headers
3778 (message-remove-header message-ignored-supersedes-headers t))
3779 (goto-char (point-min))
3780 (if (not (re-search-forward "^Message-ID: " nil t))
3781 (error "No Message-ID in this article")
3782 (replace-match "Supersedes: " t t))
3783 (goto-char (point-max))
3784 (insert mail-header-separator)
3789 (defun message-recover ()
3790 "Reread contents of current buffer from its last auto-save file."
3792 (let ((file-name (make-auto-save-file-name)))
3793 (cond ((save-window-excursion
3794 (if (not (eq system-type 'vax-vms))
3795 (with-output-to-temp-buffer "*Directory*"
3796 (with-current-buffer standard-output
3797 (fundamental-mode)) ; for Emacs 20.4+
3798 (buffer-disable-undo standard-output)
3799 (let ((default-directory "/"))
3801 "ls" nil standard-output nil "-l" file-name))))
3802 (yes-or-no-p (format "Recover auto save file %s? " file-name)))
3803 (let ((buffer-read-only nil))
3805 (insert-file-contents file-name nil)))
3806 (t (error "message-recover cancelled")))))
3808 ;;; Washing Subject:
3810 (defun message-wash-subject (subject)
3811 "Remove junk like \"Re:\", \"(fwd)\", etc. that was added to the subject by previous forwarders, replyers, etc."
3813 (insert-string subject)
3814 (goto-char (point-min))
3815 ;; strip Re/Fwd stuff off the beginning
3816 (while (re-search-forward
3817 "\\([Rr][Ee]:\\|[Ff][Ww][Dd]\\(\\[[0-9]*\\]\\)?:\\|[Ff][Ww]:\\)" nil t)
3820 ;; and gnus-style forwards [foo@bar.com] subject
3821 (goto-char (point-min))
3822 (while (re-search-forward "\\[[^ \t]*\\(@\\|\\.\\)[^ \t]*\\]" nil t)
3826 (goto-char (point-max))
3827 (while (re-search-backward "([Ff][Ww][Dd])" nil t)
3830 ;; and finally, any whitespace that was left-over
3831 (goto-char (point-min))
3832 (while (re-search-forward "^[ \t]+" nil t)
3834 (goto-char (point-max))
3835 (while (re-search-backward "[ \t]+$" nil t)
3840 ;;; Forwarding messages.
3842 (defun message-forward-subject-author-subject (subject)
3843 "Generate a subject for a forwarded message.
3844 The form is: [Source] Subject, where if the original message was mail,
3845 Source is the sender, and if the original message was news, Source is
3846 the list of newsgroups is was posted to."
3848 (or (message-fetch-field
3849 (if (message-news-p) "newsgroups" "from"))
3853 (defun message-forward-subject-fwd (subject)
3854 "Generate a subject for a forwarded message.
3855 The form is: Fwd: Subject, where Subject is the original subject of
3857 (concat "Fwd: " subject))
3859 (defun message-make-forward-subject ()
3860 "Return a Subject header suitable for the message in the current buffer."
3864 (message-narrow-to-head)
3865 (let ((funcs message-make-forward-subject-function)
3866 (subject (if message-wash-forwarded-subjects
3867 (message-wash-subject
3868 (or (message-fetch-field "Subject") ""))
3869 (or (message-fetch-field "Subject") ""))))
3870 ;; Make sure funcs is a list.
3873 (setq funcs (list funcs)))
3874 ;; Apply funcs in order, passing subject generated by previous
3875 ;; func to the next one.
3877 (when (message-functionp (car funcs))
3878 (setq subject (funcall (car funcs) subject)))
3879 (setq funcs (cdr funcs)))
3883 (defun message-forward (&optional news)
3884 "Forward the current message via mail.
3885 Optional NEWS will use news to forward instead of mail."
3887 (let ((cur (current-buffer))
3888 (subject (message-make-forward-subject))
3891 (message-news nil subject)
3892 (message-mail nil subject))
3893 ;; Put point where we want it before inserting the forwarded
3896 (if message-forward-as-mime
3897 (insert "\n\n<#part type=message/rfc822 disposition=inline>\n")
3901 (mml-insert-buffer cur)
3903 (and message-forward-as-mime
3904 (insert "<#/part>\n"))
3905 (when (and (not current-prefix-arg)
3906 message-forward-ignored-headers)
3908 (narrow-to-region b e)
3910 (narrow-to-region (point) (or (search-forward "\n\n" nil t) (point)))
3911 (message-remove-header message-forward-ignored-headers t))))
3912 (message-position-point)))
3915 (defun message-resend (address)
3916 "Resend the current article to ADDRESS."
3918 (list (message-read-from-minibuffer "Resend message to: ")))
3919 (message "Resending message to %s..." address)
3921 (let ((cur (current-buffer))
3923 ;; We first set up a normal mail buffer.
3924 (set-buffer (get-buffer-create " *message resend*"))
3926 (message-setup `((To . ,address)))
3927 ;; Insert our usual headers.
3928 (message-generate-headers '(From Date To))
3929 (message-narrow-to-headers)
3930 ;; Rename them all to "Resent-*".
3931 (while (re-search-forward "^[A-Za-z]" nil t)
3936 (delete-region (point) (point-max))
3938 ;; Insert the message to be resent.
3939 (insert-buffer-substring cur)
3940 (goto-char (point-min))
3941 (search-forward "\n\n")
3944 (narrow-to-region beg (point))
3945 (message-remove-header message-ignored-resent-headers t)
3946 (goto-char (point-max)))
3947 (insert mail-header-separator)
3948 ;; Rename all old ("Also-")Resent headers.
3949 (while (re-search-backward "^\\(Also-\\)*Resent-" beg t)
3952 ;; Quote any "From " lines at the beginning.
3954 (when (looking-at "From ")
3955 (replace-match "X-From-Line: "))
3957 (let ((message-inhibit-body-encoding t)
3958 message-required-mail-headers)
3959 (message-send-mail))
3960 (kill-buffer (current-buffer)))
3961 (message "Resending message to %s...done" address)))
3964 (defun message-bounce ()
3965 "Re-mail the current message.
3966 This only makes sense if the current message is a bounce message than
3967 contains some mail you have written which has been bounced back to
3970 (let ((handles (mm-dissect-buffer t))
3972 (message-pop-to-buffer (message-buffer-name "bounce"))
3973 (if (stringp (car handles))
3974 ;; This is a MIME bounce.
3975 (mm-insert-part (car (last handles)))
3976 ;; This is a non-MIME bounce, so we try to remove things
3978 (mm-insert-part handles)
3980 (goto-char (point-min))
3981 (search-forward "\n\n" nil t)
3982 (or (and (re-search-forward message-unsent-separator nil t)
3984 (re-search-forward "^Return-Path:.*\n" nil t))
3985 ;; We remove everything before the bounced mail.
3988 (if (re-search-forward "^[^ \n\t]+:" nil t)
3992 (message-narrow-to-head)
3993 (message-remove-header message-ignored-bounced-headers t)
3994 (goto-char (point-max))
3995 (insert mail-header-separator))
3996 (message-position-point)))
3999 ;;; Interactive entry points for new message buffers.
4003 (defun message-mail-other-window (&optional to subject)
4004 "Like `message-mail' command, but display mail buffer in another window."
4006 (let ((pop-up-windows t)
4007 (special-display-buffer-names nil)
4008 (special-display-regexps nil)
4009 (same-window-buffer-names nil)
4010 (same-window-regexps nil))
4011 (message-pop-to-buffer (message-buffer-name "mail" to)))
4012 (let ((message-this-is-mail t))
4013 (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))))
4016 (defun message-mail-other-frame (&optional to subject)
4017 "Like `message-mail' command, but display mail buffer in another frame."
4019 (let ((pop-up-frames t)
4020 (special-display-buffer-names nil)
4021 (special-display-regexps nil)
4022 (same-window-buffer-names nil)
4023 (same-window-regexps nil))
4024 (message-pop-to-buffer (message-buffer-name "mail" to)))
4025 (let ((message-this-is-mail t))
4026 (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))))
4029 (defun message-news-other-window (&optional newsgroups subject)
4030 "Start editing a news article to be sent."
4032 (let ((pop-up-windows t)
4033 (special-display-buffer-names nil)
4034 (special-display-regexps nil)
4035 (same-window-buffer-names nil)
4036 (same-window-regexps nil))
4037 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)))
4038 (let ((message-this-is-news t))
4039 (message-setup `((Newsgroups . ,(or newsgroups ""))
4040 (Subject . ,(or subject ""))))))
4043 (defun message-news-other-frame (&optional newsgroups subject)
4044 "Start editing a news article to be sent."
4046 (let ((pop-up-frames t)
4047 (special-display-buffer-names nil)
4048 (special-display-regexps nil)
4049 (same-window-buffer-names nil)
4050 (same-window-regexps nil))
4051 (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)))
4052 (let ((message-this-is-news t))
4053 (message-setup `((Newsgroups . ,(or newsgroups ""))
4054 (Subject . ,(or subject ""))))))
4058 ;; This code should be moved to underline.el (from which it is stolen).
4061 (defun bold-region (start end)
4062 "Bold all nonblank characters in the region.
4063 Works by overstriking characters.
4064 Called from program, takes two arguments START and END
4065 which specify the range to operate on."
4068 (let ((end1 (make-marker)))
4069 (move-marker end1 (max start end))
4070 (goto-char (min start end))
4071 (while (< (point) end1)
4072 (or (looking-at "[_\^@- ]")
4073 (insert (char-after) "\b"))
4074 (forward-char 1)))))
4077 (defun unbold-region (start end)
4078 "Remove all boldness (overstruck characters) in the region.
4079 Called from program, takes two arguments START and END
4080 which specify the range to operate on."
4083 (let ((end1 (make-marker)))
4084 (move-marker end1 (max start end))
4085 (goto-char (min start end))
4086 (while (re-search-forward "\b" end1 t)
4087 (if (eq (char-after) (char-after (- (point) 2)))
4088 (delete-char -2))))))
4090 (defalias 'message-exchange-point-and-mark 'exchange-point-and-mark)
4092 ;; Support for toolbar
4093 (when (string-match "XEmacs\\|Lucid" emacs-version)
4094 (require 'messagexmas))
4096 ;;; Group name completion.
4098 (defvar message-newgroups-header-regexp
4099 "^\\(Newsgroups\\|Followup-To\\|Posted-To\\|Gcc\\):"
4100 "Regexp that match headers that lists groups.")
4102 (defun message-tab ()
4103 "Expand group names in Newsgroups and Followup-To headers.
4104 Do a `tab-to-tab-stop' if not in those headers."
4106 (if (let ((mail-abbrev-mode-regexp message-newgroups-header-regexp))
4107 (mail-abbrev-in-expansion-header-p))
4108 (message-expand-group)
4111 (defvar gnus-active-hashtb)
4112 (defun message-expand-group ()
4113 "Expand the group name under point."
4114 (let* ((b (save-excursion
4119 (skip-chars-forward "^:")
4122 (skip-chars-backward "^, \t\n") (point))))
4123 (completion-ignore-case t)
4124 (string (buffer-substring b (progn (skip-chars-forward "^,\t\n ")
4126 (hashtb (and (boundp 'gnus-active-hashtb) gnus-active-hashtb))
4127 (completions (all-completions string hashtb))
4129 (delete-region b (point))
4131 ((= (length completions) 1)
4132 (if (string= (car completions) string)
4135 (message "Only matching group"))
4136 (insert (car completions))))
4137 ((and (setq comp (try-completion string hashtb))
4138 (not (string= comp string)))
4143 (message "No matching groups")
4144 (save-selected-window
4145 (pop-to-buffer "*Completions*")
4146 (buffer-disable-undo)
4147 (let ((buffer-read-only nil))
4149 (let ((standard-output (current-buffer)))
4150 (display-completion-list (sort completions 'string<)))
4151 (goto-char (point-min))
4152 (delete-region (point) (progn (forward-line 3) (point))))))))))
4156 (defun message-talkative-question (ask question show &rest text)
4157 "Call FUNCTION with argument QUESTION; optionally display TEXT... args.
4158 If SHOW is non-nil, the arguments TEXT... are displayed in a temp buffer.
4159 The following arguments may contain lists of values."
4161 (setq text (message-flatten-list text)))
4162 (save-window-excursion
4164 (with-output-to-temp-buffer " *MESSAGE information message*"
4165 (set-buffer " *MESSAGE information message*")
4166 (fundamental-mode) ; for Emacs 20.4+
4167 (mapcar 'princ text)
4168 (goto-char (point-min))))
4169 (funcall ask question))
4170 (funcall ask question)))
4172 (defun message-flatten-list (list)
4173 "Return a new, flat list that contains all elements of LIST.
4175 \(message-flatten-list '(1 (2 3 (4 5 (6))) 7))
4178 (apply 'append (mapcar 'message-flatten-list list)))
4182 (defun message-generate-new-buffer-clone-locals (name &optional varstr)
4183 "Create and return a buffer with a name based on NAME using generate-new-buffer.
4184 Then clone the local variables and values from the old buffer to the
4185 new one, cloning only the locals having a substring matching the
4187 (let ((oldbuf (current-buffer)))
4189 (set-buffer (generate-new-buffer name))
4190 (message-clone-locals oldbuf varstr)
4193 (defun message-clone-locals (buffer &optional varstr)
4194 "Clone the local variables from BUFFER to the current buffer."
4195 (let ((locals (save-excursion
4197 (buffer-local-variables)))
4198 (regexp "^gnus\\|^nn\\|^message\\|^user-mail-address"))
4201 (when (and (consp local)
4203 (string-match regexp (symbol-name (car local)))
4205 (string-match varstr (symbol-name (car local)))))
4207 (set (make-local-variable (car local))
4211 ;;; Miscellaneous functions
4213 ;; stolen (and renamed) from nnheader.el
4214 (defun message-replace-chars-in-string (string from to)
4215 "Replace characters in STRING from FROM to TO."
4216 (let ((string (substring string 0)) ;Copy string.
4217 (len (length string))
4219 ;; Replace all occurrences of FROM with TO.
4221 (when (= (aref string idx) from)
4222 (aset string idx to))
4223 (setq idx (1+ idx)))
4230 (defvar message-inhibit-body-encoding nil)
4232 (defun message-encode-message-body ()
4233 (unless message-inhibit-body-encoding
4234 (let ((mail-parse-charset (or mail-parse-charset
4235 message-default-charset))
4236 (case-fold-search t)
4237 lines content-type-p)
4240 (narrow-to-region (point) (point-max))
4241 (let ((new (mml-generate-mime)))
4243 (delete-region (point-min) (point-max))
4245 (goto-char (point-min))
4246 (if (eq (aref new 0) ?\n)
4248 (search-forward "\n\n")
4249 (setq lines (buffer-substring (point-min) (1- (point))))
4250 (delete-region (point-min) (point))))))
4252 (message-narrow-to-headers-or-head)
4253 (message-remove-header "Mime-Version")
4254 (goto-char (point-max))
4255 (insert "MIME-Version: 1.0\n")
4258 (setq content-type-p
4259 (re-search-backward "^Content-Type:" nil t)))
4261 (message-narrow-to-headers-or-head)
4262 (message-remove-first-header "Content-Type")
4263 (message-remove-first-header "Content-Transfer-Encoding"))
4264 ;; We always make sure that the message has a Content-Type header.
4265 ;; This is because some broken MTAs and MUAs get awfully confused
4266 ;; when confronted with a message with a MIME-Version header and
4267 ;; without a Content-Type header. For instance, Solaris'
4269 (unless content-type-p
4270 (goto-char (point-min))
4271 (re-search-forward "^MIME-Version:")
4273 (insert "Content-Type: text/plain; charset=us-ascii\n")))))
4275 (defun message-read-from-minibuffer (prompt)
4276 "Read from the minibuffer while providing abbrev expansion."
4277 (if (fboundp 'mail-abbrevs-setup)
4278 (let ((mail-abbrev-mode-regexp "")
4279 (minibuffer-setup-hook 'mail-abbrevs-setup))
4280 (read-from-minibuffer prompt)))
4281 (let ((minibuffer-setup-hook 'mail-abbrev-minibuffer-setup-hook))
4282 (read-string prompt)))
4286 (run-hooks 'message-load-hook)
4289 ;; coding: iso-8859-1
4292 ;;; message.el ends here