1 ;;; message.el --- composing mail and news messages
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; Keywords: mail, news
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 ;; This mode provides mail-sending facilities from within Emacs. It
28 ;; consists mainly of large chunks of code from the sendmail.el,
29 ;; gnus-msg.el and rnewspost.el files.
35 (defvar gnus-message-group-art)
36 (defvar gnus-list-identifiers)) ; gnus-sum is required where necessary
40 ;; This is apparently necessary even though things are autoloaded.
41 ;; Because we dynamically bind mail-abbrev-mode-regexp, we'd better
42 ;; require mailabbrev here.
43 (if (featurep 'xemacs)
44 (require 'mail-abbrevs)
45 (require 'mailabbrev))
50 (autoload 'sha1 "sha1-el")
51 (autoload 'gnus-find-method-for-group "gnus")
52 (autoload 'nnvirtual-find-group-art "nnvirtual"))
54 (defgroup message '((user-mail-address custom-variable)
55 (user-full-name custom-variable))
56 "Mail and news message composing."
57 :link '(custom-manual "(message)Top")
61 (put 'user-mail-address 'custom-type 'string)
62 (put 'user-full-name 'custom-type 'string)
64 (defgroup message-various nil
65 "Various Message Variables"
66 :link '(custom-manual "(message)Various Message Variables")
69 (defgroup message-buffers nil
71 :link '(custom-manual "(message)Message Buffers")
74 (defgroup message-sending nil
76 :link '(custom-manual "(message)Sending Variables")
79 (defgroup message-interface nil
81 :link '(custom-manual "(message)Interface")
84 (defgroup message-forwarding nil
86 :link '(custom-manual "(message)Forwarding")
87 :group 'message-interface)
89 (defgroup message-insertion nil
91 :link '(custom-manual "(message)Insertion")
94 (defgroup message-headers nil
96 :link '(custom-manual "(message)Message Headers")
99 (defgroup message-news nil
100 "Composing News Messages"
103 (defgroup message-mail nil
104 "Composing Mail Messages"
107 (defgroup message-faces nil
108 "Faces used for message composing."
112 (defcustom message-directory "~/Mail/"
113 "*Directory from which all other mail file variables are derived."
114 :group 'message-various
117 (defcustom message-max-buffers 10
118 "*How many buffers to keep before starting to kill them off."
119 :group 'message-buffers
122 (defcustom message-send-rename-function nil
123 "Function called to rename the buffer after sending it."
124 :group 'message-buffers
125 :type '(choice function (const nil)))
127 (defcustom message-fcc-handler-function 'message-output
128 "*A function called to save outgoing articles.
129 This function will be called with the name of the file to store the
130 article in. The default function is `message-output' which saves in Unix
132 :type '(radio (function-item message-output)
133 (function :tag "Other"))
134 :group 'message-sending)
136 (defcustom message-fcc-externalize-attachments nil
137 "If non-nil, attachments are included as external parts in Fcc copies."
139 :group 'message-sending)
141 (defcustom message-courtesy-message
142 "The following message is a courtesy copy of an article\nthat has been posted to %s as well.\n\n"
143 "*This is inserted at the start of a mailed copy of a posted message.
144 If the string contains the format spec \"%s\", the Newsgroups
145 the article has been posted to will be inserted there.
146 If this variable is nil, no such courtesy message will be added."
147 :group 'message-sending
148 :type '(radio (string :format "%t: %v\n" :size 0) (const nil)))
150 (defcustom message-ignored-bounced-headers
151 "^\\(Received\\|Return-Path\\|Delivered-To\\):"
152 "*Regexp that matches headers to be removed in resent bounced mail."
153 :group 'message-interface
157 (defcustom message-from-style 'default
158 "*Specifies how \"From\" headers look.
160 If nil, they contain just the return address like:
162 If `parens', they look like:
163 king@grassland.com (Elvis Parsley)
164 If `angles', they look like:
165 Elvis Parsley <king@grassland.com>
167 Otherwise, most addresses look like `angles', but they look like
168 `parens' if `angles' would need quoting and `parens' would not."
169 :type '(choice (const :tag "simple" nil)
173 :group 'message-headers)
175 (defcustom message-insert-canlock t
176 "Whether to insert a Cancel-Lock header in news postings."
178 :group 'message-headers
181 (defcustom message-syntax-checks
182 (if message-insert-canlock '((sender . disabled)) nil)
183 ;; Guess this one shouldn't be easy to customize...
184 "*Controls what syntax checks should not be performed on outgoing posts.
185 To disable checking of long signatures, for instance, add
186 `(signature . disabled)' to this list.
188 Don't touch this variable unless you really know what you're doing.
190 Checks include `subject-cmsg', `multiple-headers', `sendsys',
191 `message-id', `from', `long-lines', `control-chars', `size',
192 `new-text', `quoting-style', `redirected-followup', `signature',
193 `approved', `sender', `empty', `empty-headers', `message-id', `from',
194 `subject', `shorten-followup-to', `existing-newsgroups',
195 `buffer-file-name', `unchanged', `newsgroups', `reply-to',
196 `continuation-headers', `long-header-lines', `invisible-text' and
199 :type '(repeat sexp)) ; Fixme: improve this
201 (defcustom message-required-headers '((optional . References)
203 "*Headers to be generated or prompted for when sending a message.
204 Also see `message-required-news-headers' and
205 `message-required-mail-headers'."
207 :group 'message-headers
208 :type '(repeat sexp))
210 (defcustom message-draft-headers '(References From)
211 "*Headers to be generated when saving a draft message."
213 :group 'message-headers
214 :type '(repeat sexp))
216 (defcustom message-required-news-headers
217 '(From Newsgroups Subject Date Message-ID
218 (optional . Organization)
219 (optional . User-Agent))
220 "*Headers to be generated or prompted for when posting an article.
221 RFC977 and RFC1036 require From, Date, Newsgroups, Subject,
222 Message-ID. Organization, Lines, In-Reply-To, Expires, and
223 User-Agent are optional. If don't you want message to insert some
224 header, remove it from this list."
226 :group 'message-headers
227 :type '(repeat sexp))
229 (defcustom message-required-mail-headers
230 '(From Subject Date (optional . In-Reply-To) Message-ID
231 (optional . User-Agent))
232 "*Headers to be generated or prompted for when mailing a message.
233 It is recommended that From, Date, To, Subject and Message-ID be
234 included. Organization and User-Agent are optional."
236 :group 'message-headers
237 :type '(repeat sexp))
239 (defcustom message-deletable-headers '(Message-ID Date Lines)
240 "Headers to be deleted if they already exist and were generated by message previously."
241 :group 'message-headers
244 (defcustom message-ignored-news-headers
245 "^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:\\|^X-Draft-From:\\|^X-Gnus-Agent-Meta-Information:"
246 "*Regexp of headers to be removed unconditionally before posting."
248 :group 'message-headers
251 (defcustom message-ignored-mail-headers
252 "^[GF]cc:\\|^Resent-Fcc:\\|^Xref:\\|^X-Draft-From:\\|^X-Gnus-Agent-Meta-Information:"
253 "*Regexp of headers to be removed unconditionally before mailing."
255 :group 'message-headers
258 (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:\\|^Cancel-Lock:\\|^Cancel-Key:\\|^X-Hashcash:"
259 "*Header lines matching this regexp will be deleted before posting.
260 It's best to delete old Path and Date headers before posting to avoid
262 :group 'message-interface
265 (defcustom message-subject-re-regexp
266 "^[ \t]*\\([Rr][Ee]\\(\\[[0-9]*\\]\\)*:[ \t]*\\)*[ \t]*"
267 "*Regexp matching \"Re: \" in the subject line."
268 :group 'message-various
271 ;;; Start of variables adopted from `message-utils.el'.
273 (defcustom message-subject-trailing-was-query 'ask
274 ;; should it default to nil or ask?
275 "*What to do with trailing \"(was: <old subject>)\" in subject lines.
276 If nil, leave the subject unchanged. If it is the symbol `ask', query
277 the user what do do. In this case, the subject is matched against
278 `message-subject-trailing-was-ask-regexp'. If
279 `message-subject-trailing-was-query' is t, always strip the trailing
280 old subject. In this case, `message-subject-trailing-was-regexp' is
282 :type '(choice (const :tag "never" nil)
283 (const :tag "always strip" t)
285 :group 'message-various)
287 (defcustom message-subject-trailing-was-ask-regexp
288 "[ \t]*\\([[(]+[Ww][Aa][Ss][ \t]*.*[\])]+\\)"
289 "*Regexp matching \"(was: <old subject>)\" in the subject line.
291 The function `message-strip-subject-trailing-was' uses this regexp if
292 `message-subject-trailing-was-query' is set to the symbol `ask'. If
293 the variable is t instead of `ask', use
294 `message-subject-trailing-was-regexp' instead.
296 It is okay to create some false positives here, as the user is asked."
297 :group 'message-various
300 (defcustom message-subject-trailing-was-regexp
301 "[ \t]*\\((*[Ww][Aa][Ss]:[ \t]*.*)\\)"
302 "*Regexp matching \"(was: <old subject>)\" in the subject line.
304 If `message-subject-trailing-was-query' is set to t, the subject is
305 matched against `message-subject-trailing-was-regexp' in
306 `message-strip-subject-trailing-was'. You should use a regexp creating very
307 few false positives here."
308 :group 'message-various
311 ;; Fixme: Why are all these things autoloaded?
313 ;;; marking inserted text
316 (defcustom message-mark-insert-begin
317 "--8<---------------cut here---------------start------------->8---\n"
318 "How to mark the beginning of some inserted text."
320 :group 'message-various)
323 (defcustom message-mark-insert-end
324 "--8<---------------cut here---------------end--------------->8---\n"
325 "How to mark the end of some inserted text."
327 :group 'message-various)
330 (defcustom message-archive-header
331 "X-No-Archive: Yes\n"
332 "Header to insert when you don't want your article to be archived.
333 Archives \(such as groups.google.com\) respect this header."
335 :group 'message-various)
338 (defcustom message-archive-note
339 "X-No-Archive: Yes - save http://groups.google.com/"
340 "Note to insert why you wouldn't want this posting archived.
341 If nil, don't insert any text in the body."
342 :type '(radio (string :format "%t: %v\n" :size 0)
344 :group 'message-various)
346 ;;; Crossposts and Followups
347 ;; inspired by JoH-followup-to by Jochem Huhman <joh at gmx.de>
348 ;; new suggestions by R. Weikusat <rw at another.de>
350 (defvar message-cross-post-old-target nil
351 "Old target for cross-posts or follow-ups.")
352 (make-variable-buffer-local 'message-cross-post-old-target)
355 (defcustom message-cross-post-default t
356 "When non-nil `message-cross-post-followup-to' will perform a crosspost.
357 If nil, `message-cross-post-followup-to' will only do a followup. Note that
358 you can explicitly override this setting by calling
359 `message-cross-post-followup-to' with a prefix."
361 :group 'message-various)
364 (defcustom message-cross-post-note
365 "Crosspost & Followup-To: "
366 "Note to insert before signature to notify of cross-post and follow-up."
368 :group 'message-various)
371 (defcustom message-followup-to-note
373 "Note to insert before signature to notify of follow-up only."
375 :group 'message-various)
378 (defcustom message-cross-post-note-function
379 'message-cross-post-insert-note
380 "Function to use to insert note about Crosspost or Followup-To.
381 The function will be called with four arguments. The function should not only
382 insert a note, but also ensure old notes are deleted. See the documentation
383 for `message-cross-post-insert-note'."
385 :group 'message-various)
387 ;;; End of variables adopted from `message-utils.el'.
390 (defcustom message-signature-separator "^-- *$"
391 "Regexp matching the signature separator."
393 :group 'message-various)
395 (defcustom message-elide-ellipsis "\n[...]\n\n"
396 "*The string which is inserted for elided text."
398 :group 'message-various)
400 (defcustom message-interactive t
401 "Non-nil means when sending a message wait for and display errors.
402 nil means let mailer mail back a message to report errors."
403 :group 'message-sending
407 (defcustom message-generate-new-buffers 'unique
408 "*Non-nil means create a new message buffer whenever `message-setup' is called.
409 If this is a function, call that function with three parameters: The type,
410 the to address and the group name. (Any of these may be nil.) The function
411 should return the new buffer name."
412 :group 'message-buffers
413 :type '(choice (const :tag "off" nil)
414 (const :tag "unique" unique)
415 (const :tag "unsent" unsent)
418 (defcustom message-kill-buffer-on-exit nil
419 "*Non-nil means that the message buffer will be killed after sending a message."
420 :group 'message-buffers
424 (defvar gnus-local-organization))
425 (defcustom message-user-organization
426 (or (and (boundp 'gnus-local-organization)
427 (stringp gnus-local-organization)
428 gnus-local-organization)
429 (getenv "ORGANIZATION")
431 "*String to be used as an Organization header.
432 If t, use `message-user-organization-file'."
433 :group 'message-headers
434 :type '(choice string
435 (const :tag "consult file" t)))
438 (defcustom message-user-organization-file "/usr/lib/news/organization"
439 "*Local news organization file."
441 :group 'message-headers)
443 (defcustom message-make-forward-subject-function
444 'message-forward-subject-name-subject
445 "*List of functions called to generate subject headers for forwarded messages.
446 The subject generated by the previous function is passed into each
449 The provided functions are:
451 * `message-forward-subject-author-subject' (Source of article (author or
452 newsgroup)), in brackets followed by the subject
453 * `message-forward-subject-name-subject' (Source of article (name of author
454 or newsgroup)), in brackets followed by the subject
455 * `message-forward-subject-fwd' (Subject of article with 'Fwd:' prepended
457 :group 'message-forwarding
458 :type '(radio (function-item message-forward-subject-author-subject)
459 (function-item message-forward-subject-fwd)
460 (repeat :tag "List of functions" function)))
462 (defcustom message-forward-as-mime t
463 "*Non-nil means forward messages as an inline/rfc822 MIME section.
464 Otherwise, directly inline the old message in the forwarded message."
466 :group 'message-forwarding
469 (defcustom message-forward-show-mml t
470 "*Non-nil means show forwarded messages as mml.
471 Otherwise, forwarded messages are unchanged."
473 :group 'message-forwarding
476 (defcustom message-forward-before-signature t
477 "*Non-nil means put forwarded message before signature, else after."
478 :group 'message-forwarding
481 (defcustom message-wash-forwarded-subjects nil
482 "*Non-nil means try to remove as much cruft as possible from the subject.
483 Done before generating the new subject of a forward."
484 :group 'message-forwarding
487 (defcustom message-ignored-resent-headers "^Return-receipt\\|^X-Gnus\\|^Gnus-Warning:\\|^>?From "
488 "*All headers that match this regexp will be deleted when resending a message."
489 :group 'message-interface
492 (defcustom message-forward-ignored-headers "^Content-Transfer-Encoding:\\|^X-Gnus"
493 "*All headers that match this regexp will be deleted when forwarding a message."
495 :group 'message-forwarding
496 :type '(choice (const :tag "None" nil)
499 (defcustom message-ignored-cited-headers "."
500 "*Delete these headers from the messages you yank."
501 :group 'message-insertion
504 (defcustom message-cite-prefix-regexp
505 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
506 "\\([ \t]*[-_.[:word:]]+>+\\|[ \t]*[]>|}+]\\)+"
507 ;; ?-, ?_ or ?. MUST NOT be in syntax entry w.
508 (let ((old-table (syntax-table))
509 non-word-constituents)
510 (set-syntax-table text-mode-syntax-table)
511 (setq non-word-constituents
513 (if (string-match "\\w" "-") "" "-")
514 (if (string-match "\\w" "_") "" "_")
515 (if (string-match "\\w" ".") "" ".")))
516 (set-syntax-table old-table)
517 (if (equal non-word-constituents "")
518 "\\([ \t]*\\(\\w\\)+>+\\|[ \t]*[]>|}+]\\)+"
519 (concat "\\([ \t]*\\(\\w\\|["
520 non-word-constituents
521 "]\\)+>+\\|[ \t]*[]>|}+]\\)+"))))
522 "*Regexp matching the longest possible citation prefix on a line."
523 :group 'message-insertion
526 (defcustom message-cancel-message "I am canceling my own article.\n"
527 "Message to be inserted in the cancel message."
528 :group 'message-interface
531 ;; Useful to set in site-init.el
533 (defcustom message-send-mail-function 'message-send-mail-with-sendmail
534 "Function to call to send the current buffer as mail.
535 The headers should be delimited by a line whose contents match the
536 variable `mail-header-separator'.
538 Valid values include `message-send-mail-with-sendmail' (the default),
539 `message-send-mail-with-mh', `message-send-mail-with-qmail',
540 `message-smtpmail-send-it', `smtpmail-send-it' and `feedmail-send-it'.
542 See also `send-mail-function'."
543 :type '(radio (function-item message-send-mail-with-sendmail)
544 (function-item message-send-mail-with-mh)
545 (function-item message-send-mail-with-qmail)
546 (function-item message-smtpmail-send-it)
547 (function-item smtpmail-send-it)
548 (function-item feedmail-send-it)
549 (function :tag "Other"))
550 :group 'message-sending
551 :group 'message-mail)
553 (defcustom message-send-news-function 'message-send-news
554 "Function to call to send the current buffer as news.
555 The headers should be delimited by a line whose contents match the
556 variable `mail-header-separator'."
557 :group 'message-sending
561 (defcustom message-reply-to-function nil
562 "If non-nil, function that should return a list of headers.
563 This function should pick out addresses from the To, Cc, and From headers
564 and respond with new To and Cc headers."
565 :group 'message-interface
566 :type '(choice function (const nil)))
568 (defcustom message-wide-reply-to-function nil
569 "If non-nil, function that should return a list of headers.
570 This function should pick out addresses from the To, Cc, and From headers
571 and respond with new To and Cc headers."
572 :group 'message-interface
573 :type '(choice function (const nil)))
575 (defcustom message-followup-to-function nil
576 "If non-nil, function that should return a list of headers.
577 This function should pick out addresses from the To, Cc, and From headers
578 and respond with new To and Cc headers."
579 :group 'message-interface
580 :type '(choice function (const nil)))
582 (defcustom message-use-followup-to 'ask
583 "*Specifies what to do with Followup-To header.
584 If nil, always ignore the header. If it is t, use its value, but
585 query before using the \"poster\" value. If it is the symbol `ask',
586 always query the user whether to use the value. If it is the symbol
587 `use', always use the value."
588 :group 'message-interface
589 :type '(choice (const :tag "ignore" nil)
590 (const :tag "use & query" t)
594 (defcustom message-use-mail-followup-to 'use
595 "*Specifies what to do with Mail-Followup-To header.
596 If nil, always ignore the header. If it is the symbol `ask', always
597 query the user whether to use the value. If it is the symbol `use',
598 always use the value."
599 :group 'message-interface
600 :type '(choice (const :tag "ignore" nil)
604 (defcustom message-subscribed-address-functions nil
605 "*Specifies functions for determining list subscription.
606 If nil, do not attempt to determine list subscription with functions.
607 If non-nil, this variable contains a list of functions which return
608 regular expressions to match lists. These functions can be used in
609 conjunction with `message-subscribed-regexps' and
610 `message-subscribed-addresses'."
611 :group 'message-interface
612 :type '(repeat sexp))
614 (defcustom message-subscribed-address-file nil
615 "*A file containing addresses the user is subscribed to.
616 If nil, do not look at any files to determine list subscriptions. If
617 non-nil, each line of this file should be a mailing list address."
618 :group 'message-interface
619 :type '(radio (file :format "%t: %v\n" :size 0)
622 (defcustom message-subscribed-addresses nil
623 "*Specifies a list of addresses the user is subscribed to.
624 If nil, do not use any predefined list subscriptions. This list of
625 addresses can be used in conjunction with
626 `message-subscribed-address-functions' and `message-subscribed-regexps'."
627 :group 'message-interface
628 :type '(repeat string))
630 (defcustom message-subscribed-regexps nil
631 "*Specifies a list of addresses the user is subscribed to.
632 If nil, do not use any predefined list subscriptions. This list of
633 regular expressions can be used in conjunction with
634 `message-subscribed-address-functions' and `message-subscribed-addresses'."
635 :group 'message-interface
636 :type '(repeat regexp))
638 (defcustom message-allow-no-recipients 'ask
639 "Specifies what to do when there are no recipients other than Gcc/Fcc.
640 If it is the symbol `always', the posting is allowed. If it is the
641 symbol `never', the posting is not allowed. If it is the symbol
642 `ask', you are prompted."
643 :group 'message-interface
644 :type '(choice (const always)
648 (defcustom message-sendmail-f-is-evil nil
649 "*Non-nil means don't add \"-f username\" to the sendmail command line.
650 Doing so would be even more evil than leaving it out."
651 :group 'message-sending
654 (defcustom message-sendmail-envelope-from nil
655 "*Envelope-from when sending mail with sendmail.
656 If this is nil, use `user-mail-address'. If it is the symbol
657 `header', use the From: header of the message."
658 :type '(choice (string :tag "From name")
659 (const :tag "Use From: header from message" header)
660 (const :tag "Use `user-mail-address'" nil))
661 :group 'message-sending)
663 ;; qmail-related stuff
664 (defcustom message-qmail-inject-program "/var/qmail/bin/qmail-inject"
665 "Location of the qmail-inject program."
666 :group 'message-sending
669 (defcustom message-qmail-inject-args nil
670 "Arguments passed to qmail-inject programs.
671 This should be a list of strings, one string for each argument. It
672 may also be a function.
674 For e.g., if you wish to set the envelope sender address so that bounces
675 go to the right place or to deal with listserv's usage of that address, you
676 might set this variable to '(\"-f\" \"you@some.where\")."
677 :group 'message-sending
678 :type '(choice (function)
681 (defvar message-cater-to-broken-inn t
682 "Non-nil means Gnus should not fold the `References' header.
683 Folding `References' makes ancient versions of INN create incorrect
687 (defvar gnus-post-method)
688 (defvar gnus-select-method))
689 (defcustom message-post-method
690 (cond ((and (boundp 'gnus-post-method)
691 (listp gnus-post-method)
694 ((boundp 'gnus-select-method)
697 "*Method used to post news.
698 Note that when posting from inside Gnus, for instance, this
699 variable isn't used."
701 :group 'message-sending
702 ;; This should be the `gnus-select-method' widget, but that might
703 ;; create a dependence to `gnus.el'.
706 ;; FIXME: This should be a temporary workaround until someone implements a
707 ;; proper solution. If a crash happens while replying, the auto-save file
708 ;; will *not* have a `References:' header if `message-generate-headers-first'
709 ;; is nil. See: http://article.gmane.org/gmane.emacs.gnus.general/51138
710 (defcustom message-generate-headers-first '(references)
711 "*If non-nil, generate all required headers before composing.
712 The variables `message-required-news-headers' and
713 `message-required-mail-headers' specify which headers to generate.
714 This can also be a list of headers that should be generated before
717 Note that the variable `message-deletable-headers' specifies headers which
718 are to be deleted and then re-generated before sending, so this variable
719 will not have a visible effect for those headers."
720 :group 'message-headers
721 :type '(choice (const :tag "None" nil)
722 (const :tag "References" '(references))
724 (repeat (sexp :tag "Header"))))
726 (defcustom message-setup-hook nil
727 "Normal hook, run each time a new outgoing message is initialized.
728 The function `message-setup' runs this hook."
729 :group 'message-various
732 (defcustom message-cancel-hook nil
733 "Hook run when cancelling articles."
734 :group 'message-various
737 (defcustom message-signature-setup-hook nil
738 "Normal hook, run each time a new outgoing message is initialized.
739 It is run after the headers have been inserted and before
740 the signature is inserted."
741 :group 'message-various
744 (defcustom message-mode-hook nil
745 "Hook run in message mode buffers."
746 :group 'message-various
749 (defcustom message-header-hook nil
750 "Hook run in a message mode buffer narrowed to the headers."
751 :group 'message-various
754 (defcustom message-header-setup-hook nil
755 "Hook called narrowed to the headers when setting up a message buffer."
756 :group 'message-various
759 (defcustom message-minibuffer-local-map
760 (let ((map (make-sparse-keymap 'message-minibuffer-local-map)))
761 (set-keymap-parent map minibuffer-local-map)
763 "Keymap for `message-read-from-minibuffer'.")
766 (defcustom message-citation-line-function 'message-insert-citation-line
767 "*Function called to insert the \"Whomever writes:\" line.
769 Note that Gnus provides a feature where the reader can click on
770 `writes:' to hide the cited text. If you change this line too much,
771 people who read your message will have to change their Gnus
772 configuration. See the variable `gnus-cite-attribution-suffix'."
774 :group 'message-insertion)
777 (defcustom message-yank-prefix "> "
778 "*Prefix inserted on the lines of yanked messages.
779 Fix `message-cite-prefix-regexp' if it is set to an abnormal value.
780 See also `message-yank-cited-prefix'."
782 :group 'message-insertion)
784 (defcustom message-yank-cited-prefix ">"
785 "*Prefix inserted on cited or empty lines of yanked messages.
786 Fix `message-cite-prefix-regexp' if it is set to an abnormal value.
787 See also `message-yank-prefix'."
789 :group 'message-insertion)
791 (defcustom message-indentation-spaces 3
792 "*Number of spaces to insert at the beginning of each cited line.
793 Used by `message-yank-original' via `message-yank-cite'."
794 :group 'message-insertion
798 (defcustom message-cite-function 'message-cite-original
799 "*Function for citing an original message.
800 Predefined functions include `message-cite-original' and
801 `message-cite-original-without-signature'.
802 Note that `message-cite-original' uses `mail-citation-hook' if that is non-nil."
803 :type '(radio (function-item message-cite-original)
804 (function-item message-cite-original-without-signature)
805 (function-item sc-cite-original)
806 (function :tag "Other"))
807 :group 'message-insertion)
810 (defcustom message-indent-citation-function 'message-indent-citation
811 "*Function for modifying a citation just inserted in the mail buffer.
812 This can also be a list of functions. Each function can find the
813 citation between (point) and (mark t). And each function should leave
814 point and mark around the citation text as modified."
816 :group 'message-insertion)
819 (defcustom message-signature t
820 "*String to be inserted at the end of the message buffer.
821 If t, the `message-signature-file' file will be inserted instead.
822 If a function, the result from the function will be used instead.
823 If a form, the result from the form will be used instead."
825 :group 'message-insertion)
828 (defcustom message-signature-file "~/.signature"
829 "*Name of file containing the text inserted at end of message buffer.
830 Ignored if the named file doesn't exist.
831 If nil, don't insert a signature."
832 :type '(choice file (const :tags "None" nil))
833 :group 'message-insertion)
836 (defcustom message-signature-insert-empty-line t
837 "*If non-nil, insert an empty line before the signature separator."
839 :group 'message-insertion)
841 (defcustom message-distribution-function nil
842 "*Function called to return a Distribution header."
844 :group 'message-headers
845 :type '(choice function (const nil)))
847 (defcustom message-expires 14
848 "Number of days before your article expires."
850 :group 'message-headers
851 :link '(custom-manual "(message)News Headers")
854 (defcustom message-user-path nil
855 "If nil, use the NNTP server name in the Path header.
856 If stringp, use this; if non-nil, use no host name (user name only)."
858 :group 'message-headers
859 :link '(custom-manual "(message)News Headers")
860 :type '(choice (const :tag "nntp" nil)
862 (sexp :tag "none" :format "%t" t)))
864 (defvar message-reply-buffer nil)
865 (defvar message-reply-headers nil
866 "The headers of the current replied article.
867 It is a vector of the following headers:
868 \[number subject from date id references chars lines xref extra].")
869 (defvar message-newsreader nil)
870 (defvar message-mailer nil)
871 (defvar message-sent-message-via nil)
872 (defvar message-checksum nil)
873 (defvar message-send-actions nil
874 "A list of actions to be performed upon successful sending of a message.")
875 (defvar message-exit-actions nil
876 "A list of actions to be performed upon exiting after sending a message.")
877 (defvar message-kill-actions nil
878 "A list of actions to be performed before killing a message buffer.")
879 (defvar message-postpone-actions nil
880 "A list of actions to be performed after postponing a message.")
882 (define-widget 'message-header-lines 'text
883 "All header lines must be LFD terminated."
884 :format "%{%t%}:%n%v"
886 :error "All header lines must be newline terminated")
888 (defcustom message-default-headers ""
889 "*A string containing header lines to be inserted in outgoing messages.
890 It is inserted before you edit the message, so you can edit or delete
892 :group 'message-headers
893 :type 'message-header-lines)
895 (defcustom message-default-mail-headers ""
896 "*A string of header lines to be inserted in outgoing mails."
897 :group 'message-headers
899 :type 'message-header-lines)
901 (defcustom message-default-news-headers ""
902 "*A string of header lines to be inserted in outgoing news articles."
903 :group 'message-headers
905 :type 'message-header-lines)
907 ;; Note: could use /usr/ucb/mail instead of sendmail;
908 ;; options -t, and -v if not interactive.
909 (defcustom message-mailer-swallows-blank-line
910 (if (and (string-match "sparc-sun-sunos\\(\\'\\|[^5]\\)"
911 system-configuration)
912 (file-readable-p "/etc/sendmail.cf")
913 (let ((buffer (get-buffer-create " *temp*")))
917 (insert-file-contents "/etc/sendmail.cf")
918 (goto-char (point-min))
919 (let ((case-fold-search nil))
920 (re-search-forward "^OR\\>" nil t)))
921 (kill-buffer buffer))))
922 ;; According to RFC822, "The field-name must be composed of printable
923 ;; ASCII characters (i. e., characters that have decimal values between
924 ;; 33 and 126, except colon)", i. e., any chars except ctl chars,
926 '(looking-at "[ \t]\\|[][!\"#$%&'()*+,-./0-9;<=>?@A-Z\\\\^_`a-z{|}~]+:"))
927 "*Set this non-nil if the system's mailer runs the header and body together.
928 \(This problem exists on Sunos 4 when sendmail is run in remote mode.)
929 The value should be an expression to test whether the problem will
931 :group 'message-sending
935 (define-mail-user-agent 'message-user-agent
936 'message-mail 'message-send-and-exit
937 'message-kill-buffer 'message-send-hook)
939 (defvar message-mh-deletable-headers '(Message-ID Date Lines Sender)
940 "If non-nil, delete the deletable headers before feeding to mh.")
942 (defvar message-send-method-alist
943 '((news message-news-p message-send-via-news)
944 (mail message-mail-p message-send-via-mail))
945 "Alist of ways to send outgoing messages.
946 Each element has the form
948 \(TYPE PREDICATE FUNCTION)
950 where TYPE is a symbol that names the method; PREDICATE is a function
951 called without any parameters to determine whether the message is
952 a message of type TYPE; and FUNCTION is a function to be called if
953 PREDICATE returns non-nil. FUNCTION is called with one parameter --
956 (defcustom message-mail-alias-type 'abbrev
957 "*What alias expansion type to use in Message buffers.
958 The default is `abbrev', which uses mailabbrev. nil switches
961 :link '(custom-manual "(message)Mail Aliases")
962 :type '(choice (const :tag "Use Mailabbrev" abbrev)
963 (const :tag "No expansion" nil)))
965 (defcustom message-auto-save-directory
966 (file-name-as-directory (nnheader-concat message-directory "drafts"))
967 "*Directory where Message auto-saves buffers if Gnus isn't running.
968 If nil, Message won't auto-save."
969 :group 'message-buffers
970 :type '(choice directory (const :tag "Don't auto-save" nil)))
972 (defcustom message-default-charset
973 (and (not (mm-multibyte-p)) 'iso-8859-1)
974 "Default charset used in non-MULE Emacsen.
975 If nil, you might be asked to input the charset."
980 (defcustom message-dont-reply-to-names
981 (and (boundp 'rmail-dont-reply-to-names) rmail-dont-reply-to-names)
982 "*A regexp specifying addresses to prune when doing wide replies.
983 A value of nil means exclude your own user name only."
986 :type '(choice (const :tag "Yourself" nil)
989 (defvar message-shoot-gnksa-feet nil
990 "*A list of GNKSA feet you are allowed to shoot.
991 Gnus gives you all the opportunity you could possibly want for
992 shooting yourself in the foot. Also, Gnus allows you to shoot the
993 feet of Good Net-Keeping Seal of Approval. The following are foot
995 `empty-article' Allow you to post an empty article;
996 `quoted-text-only' Allow you to post quoted text only;
997 `multiple-copies' Allow you to post multiple copies;
998 `cancel-messages' Allow you to cancel or supersede messages from
999 your other email addresses.")
1001 (defsubst message-gnksa-enable-p (feature)
1002 (or (not (listp message-shoot-gnksa-feet))
1003 (memq feature message-shoot-gnksa-feet)))
1005 (defcustom message-hidden-headers nil
1006 "Regexp of headers to be hidden when composing new messages.
1007 This can also be a list of regexps to match headers. Or a list
1008 starting with `not' and followed by regexps.."
1010 :type '(repeat regexp))
1012 ;;; Internal variables.
1013 ;;; Well, not really internal.
1015 (defvar message-mode-syntax-table
1016 (let ((table (copy-syntax-table text-mode-syntax-table)))
1017 (modify-syntax-entry ?% ". " table)
1018 (modify-syntax-entry ?> ". " table)
1019 (modify-syntax-entry ?< ". " table)
1021 "Syntax table used while in Message mode.")
1023 (defface message-header-to-face
1026 (:foreground "green2" :bold t))
1029 (:foreground "MidnightBlue" :bold t))
1031 (:bold t :italic t)))
1032 "Face used for displaying From headers."
1033 :group 'message-faces)
1035 (defface message-header-cc-face
1038 (:foreground "green4" :bold t))
1041 (:foreground "MidnightBlue"))
1044 "Face used for displaying Cc headers."
1045 :group 'message-faces)
1047 (defface message-header-subject-face
1050 (:foreground "green3"))
1053 (:foreground "navy blue" :bold t))
1056 "Face used for displaying subject headers."
1057 :group 'message-faces)
1059 (defface message-header-newsgroups-face
1062 (:foreground "yellow" :bold t :italic t))
1065 (:foreground "blue4" :bold t :italic t))
1067 (:bold t :italic t)))
1068 "Face used for displaying newsgroups headers."
1069 :group 'message-faces)
1071 (defface message-header-other-face
1074 (:foreground "#b00000"))
1077 (:foreground "steel blue"))
1079 (:bold t :italic t)))
1080 "Face used for displaying newsgroups headers."
1081 :group 'message-faces)
1083 (defface message-header-name-face
1086 (:foreground "DarkGreen"))
1089 (:foreground "cornflower blue"))
1092 "Face used for displaying header names."
1093 :group 'message-faces)
1095 (defface message-header-xheader-face
1098 (:foreground "blue"))
1101 (:foreground "blue"))
1104 "Face used for displaying X-Header headers."
1105 :group 'message-faces)
1107 (defface message-separator-face
1110 (:foreground "blue3"))
1113 (:foreground "brown"))
1116 "Face used for displaying the separator."
1117 :group 'message-faces)
1119 (defface message-cited-text-face
1122 (:foreground "red"))
1125 (:foreground "red"))
1128 "Face used for displaying cited text names."
1129 :group 'message-faces)
1131 (defface message-mml-face
1134 (:foreground "ForestGreen"))
1137 (:foreground "ForestGreen"))
1140 "Face used for displaying MML."
1141 :group 'message-faces)
1143 (defun message-font-lock-make-header-matcher (regexp)
1146 (let ((start (point)))
1149 (goto-char (point-min))
1150 (if (re-search-forward
1151 (concat "^" (regexp-quote mail-header-separator) "$")
1153 (setq limit (min limit (match-beginning 0))))
1155 (and (< start limit)
1156 (re-search-forward ,regexp limit t))))))
1157 (if (featurep 'bytecomp)
1161 (defvar message-font-lock-keywords
1162 (let ((content "[ \t]*\\(.+\\(\n[ \t].*\\)*\\)\n?"))
1163 `((,(message-font-lock-make-header-matcher
1164 (concat "^\\([Tt]o:\\)" content))
1165 (1 'message-header-name-face)
1166 (2 'message-header-to-face nil t))
1167 (,(message-font-lock-make-header-matcher
1168 (concat "^\\(^[GBF]?[Cc][Cc]:\\|^[Rr]eply-[Tt]o:\\)" content))
1169 (1 'message-header-name-face)
1170 (2 'message-header-cc-face nil t))
1171 (,(message-font-lock-make-header-matcher
1172 (concat "^\\([Ss]ubject:\\)" content))
1173 (1 'message-header-name-face)
1174 (2 'message-header-subject-face nil t))
1175 (,(message-font-lock-make-header-matcher
1176 (concat "^\\([Nn]ewsgroups:\\|Followup-[Tt]o:\\)" content))
1177 (1 'message-header-name-face)
1178 (2 'message-header-newsgroups-face nil t))
1179 (,(message-font-lock-make-header-matcher
1180 (concat "^\\([A-Z][^: \n\t]+:\\)" content))
1181 (1 'message-header-name-face)
1182 (2 'message-header-other-face nil t))
1183 (,(message-font-lock-make-header-matcher
1184 (concat "^\\(X-[A-Za-z0-9-]+:\\|In-Reply-To:\\)" content))
1185 (1 'message-header-name-face)
1186 (2 'message-header-name-face))
1187 ,@(if (and mail-header-separator
1188 (not (equal mail-header-separator "")))
1189 `((,(concat "^\\(" (regexp-quote mail-header-separator) "\\)$")
1190 1 'message-separator-face))
1193 (re-search-forward (concat "^\\("
1194 message-cite-prefix-regexp
1197 (0 'message-cited-text-face))
1198 ("<#/?\\(multipart\\|part\\|external\\|mml\\|secure\\)[^>]*>"
1199 (0 'message-mml-face))))
1200 "Additional expressions to highlight in Message mode.")
1203 ;; XEmacs does it like this. For Emacs, we have to set the
1204 ;; `font-lock-defaults' buffer-local variable.
1205 (put 'message-mode 'font-lock-defaults '(message-font-lock-keywords t))
1207 (defvar message-face-alist
1208 '((bold . bold-region)
1209 (underline . underline-region)
1210 (default . (lambda (b e)
1212 (ununderline-region b e))))
1213 "Alist of mail and news faces for facemenu.
1214 The cdr of each entry is a function for applying the face to a region.")
1216 (defcustom message-send-hook nil
1217 "Hook run before sending messages.
1218 This hook is run quite early when sending."
1219 :group 'message-various
1220 :options '(ispell-message)
1223 (defcustom message-send-mail-hook nil
1224 "Hook run before sending mail messages.
1225 This hook is run very late -- just before the message is sent as
1227 :group 'message-various
1230 (defcustom message-send-news-hook nil
1231 "Hook run before sending news messages.
1232 This hook is run very late -- just before the message is sent as
1234 :group 'message-various
1237 (defcustom message-sent-hook nil
1238 "Hook run after sending messages."
1239 :group 'message-various
1242 (defvar message-send-coding-system 'binary
1243 "Coding system to encode outgoing mail.")
1245 (defvar message-draft-coding-system
1246 mm-auto-save-coding-system
1247 "*Coding system to compose mail.
1248 If you'd like to make it possible to share draft files between XEmacs
1249 and Emacs, you may use `iso-2022-7bit' for this value at your own risk.
1250 Note that the coding-system `iso-2022-7bit' isn't suitable to all data.")
1252 (defcustom message-send-mail-partially-limit 1000000
1253 "The limitation of messages sent as message/partial.
1254 The lower bound of message size in characters, beyond which the message
1255 should be sent in several parts. If it is nil, the size is unlimited."
1257 :group 'message-buffers
1258 :type '(choice (const :tag "unlimited" nil)
1261 (defcustom message-alternative-emails nil
1262 "A regexp to match the alternative email addresses.
1263 The first matched address (not primary one) is used in the From field."
1264 :group 'message-headers
1265 :type '(choice (const :tag "Always use primary" nil)
1268 (defcustom message-hierarchical-addresses nil
1269 "A list of hierarchical mail address definitions.
1271 Inside each entry, the first address is the \"top\" address, and
1272 subsequent addresses are subaddresses; this is used to indicate that
1273 mail sent to the first address will automatically be delivered to the
1274 subaddresses. So if the first address appears in the recipient list
1275 for a message, the subaddresses will be removed (if present) before
1276 the mail is sent. All addresses in this structure should be
1278 :group 'message-headers
1279 :type '(repeat (repeat string)))
1281 (defcustom message-mail-user-agent nil
1282 "Like `mail-user-agent'.
1283 Except if it is nil, use Gnus native MUA; if it is t, use
1285 :type '(radio (const :tag "Gnus native"
1288 (const :tag "`mail-user-agent'"
1291 (function-item :tag "Default Emacs mail"
1293 sendmail-user-agent)
1294 (function-item :tag "Emacs interface to MH"
1297 (function :tag "Other"))
1301 (defcustom message-wide-reply-confirm-recipients nil
1302 "Whether to confirm a wide reply to multiple email recipients.
1303 If this variable is nil, don't ask whether to reply to all recipients.
1304 If this variable is non-nil, pose the question \"Reply to all
1305 recipients?\" before a wide reply to multiple recipients. If the user
1306 answers yes, reply to all recipients as usual. If the user answers
1307 no, only reply back to the author."
1309 :group 'message-headers
1312 (defcustom message-user-fqdn nil
1313 "*Domain part of Messsage-Ids."
1314 :group 'message-headers
1315 :link '(custom-manual "(message)News Headers")
1316 :type '(radio (const :format "%v " nil)
1317 (string :format "FQDN: %v\n" :size 0)))
1319 (defcustom message-use-idna (and (condition-case nil (require 'idna)
1321 (mm-coding-system-p 'utf-8)
1322 (executable-find idna-program)
1324 "Whether to encode non-ASCII in domain names into ASCII according to IDNA."
1325 :group 'message-headers
1326 :type '(choice (const :tag "Ask" ask)
1327 (const :tag "Never" nil)
1328 (const :tag "Always" t)))
1330 ;;; Internal variables.
1332 (defvar message-sending-message "Sending...")
1333 (defvar message-buffer-list nil)
1334 (defvar message-this-is-news nil)
1335 (defvar message-this-is-mail nil)
1336 (defvar message-draft-article nil)
1337 (defvar message-mime-part nil)
1338 (defvar message-posting-charset nil)
1340 ;; Byte-compiler warning
1342 (defvar gnus-active-hashtb)
1343 (defvar gnus-read-active-file))
1345 ;;; Regexp matching the delimiter of messages in UNIX mail format
1346 ;;; (UNIX From lines), minus the initial ^. It should be a copy
1347 ;;; of rmail.el's rmail-unix-mail-delimiter.
1348 (defvar message-unix-mail-delimiter
1349 (let ((time-zone-regexp
1350 (concat "\\([A-Z]?[A-Z]?[A-Z][A-Z]\\( DST\\)?"
1351 "\\|[-+]?[0-9][0-9][0-9][0-9]"
1357 ;; Many things can happen to an RFC 822 mailbox before it is put into
1358 ;; a `From' line. The leading phrase can be stripped, e.g.
1359 ;; `Joe <@w.x:joe@y.z>' -> `<@w.x:joe@y.z>'. The <> can be stripped, e.g.
1360 ;; `<@x.y:joe@y.z>' -> `@x.y:joe@y.z'. Everything starting with a CRLF
1361 ;; can be removed, e.g.
1362 ;; From: joe@y.z (Joe K
1364 ;; can yield `From joe@y.z (Joe K Fri Mar 22 08:11:15 1996', and
1367 ;; can yield `From Joe User Fri Mar 22 08:11:15 1996'.
1368 ;; The mailbox can be removed or be replaced by white space, e.g.
1369 ;; From: "Joe User"{space}{tab}
1371 ;; can yield `From {space}{tab} Fri Mar 22 08:11:15 1996',
1372 ;; where {space} and {tab} represent the Ascii space and tab characters.
1373 ;; We want to match the results of any of these manglings.
1374 ;; The following regexp rejects names whose first characters are
1375 ;; obviously bogus, but after that anything goes.
1376 "\\([^\0-\b\n-\r\^?].*\\)?"
1378 ;; The time the message was sent.
1379 "\\([^\0-\r \^?]+\\) +" ; day of the week
1380 "\\([^\0-\r \^?]+\\) +" ; month
1381 "\\([0-3]?[0-9]\\) +" ; day of month
1382 "\\([0-2][0-9]:[0-5][0-9]\\(:[0-6][0-9]\\)?\\) *" ; time of day
1384 ;; Perhaps a time zone, specified by an abbreviation, or by a
1389 " \\([0-9][0-9]+\\) *"
1391 ;; On some systems the time zone can appear after the year, too.
1395 "\\(remote from .*\\)?"
1398 "Regexp matching the delimiter of messages in UNIX mail format.")
1400 (defvar message-unsent-separator
1401 (concat "^ *---+ +Unsent message follows +---+ *$\\|"
1402 "^ *---+ +Returned message +---+ *$\\|"
1403 "^Start of returned message$\\|"
1404 "^ *---+ +Original message +---+ *$\\|"
1405 "^ *--+ +begin message +--+ *$\\|"
1406 "^ *---+ +Original message follows +---+ *$\\|"
1407 "^ *---+ +Undelivered message follows +---+ *$\\|"
1408 "^|? *---+ +Message text follows: +---+ *|?$")
1409 "A regexp that matches the separator before the text of a failed message.")
1411 (defvar message-header-format-alist
1413 (To . message-fill-address)
1414 (Cc . message-fill-address)
1425 (References . message-shorten-references)
1427 "Alist used for formatting headers.")
1429 (defvar message-options nil
1430 "Some saved answers when sending message.")
1432 (defvar message-send-mail-real-function nil
1433 "Internal send mail function.")
1435 (defvar message-bogus-system-names "^localhost\\."
1436 "The regexp of bogus system names.")
1438 (defcustom message-valid-fqdn-regexp
1439 (concat "[a-z0-9][-.a-z0-9]+\\." ;; [hostname.subdomain.]domain.
1441 "\\([a-z][a-z]" ;; two letter country TDLs
1442 "\\|biz\\|com\\|edu\\|gov\\|int\\|mil\\|net\\|org"
1443 "\\|aero\\|coop\\|info\\|name\\|museum"
1444 "\\|arpa\\|pro\\|uucp\\|bitnet\\|bofh" ;; old style?
1446 "Regular expression that matches a valid FQDN."
1447 ;; see also: gnus-button-valid-fqdn-regexp
1448 :group 'message-headers
1452 (autoload 'message-setup-toolbar "messagexmas")
1453 (autoload 'mh-new-draft-name "mh-comp")
1454 (autoload 'mh-send-letter "mh-comp")
1455 (autoload 'gnus-point-at-eol "gnus-util")
1456 (autoload 'gnus-point-at-bol "gnus-util")
1457 (autoload 'gnus-output-to-rmail "gnus-util")
1458 (autoload 'gnus-output-to-mail "gnus-util")
1459 (autoload 'nndraft-request-associate-buffer "nndraft")
1460 (autoload 'nndraft-request-expire-articles "nndraft")
1461 (autoload 'gnus-open-server "gnus-int")
1462 (autoload 'gnus-request-post "gnus-int")
1463 (autoload 'gnus-alive-p "gnus-util")
1464 (autoload 'gnus-server-string "gnus")
1465 (autoload 'gnus-group-name-charset "gnus-group")
1466 (autoload 'gnus-group-name-decode "gnus-group")
1467 (autoload 'gnus-groups-from-server "gnus")
1468 (autoload 'rmail-output "rmailout")
1469 (autoload 'gnus-delay-article "gnus-delay")
1470 (autoload 'gnus-make-local-hook "gnus-util"))
1475 ;;; Utility functions.
1478 (defmacro message-y-or-n-p (question show &rest text)
1479 "Ask QUESTION, displaying remaining args in a temporary buffer if SHOW."
1480 `(message-talkative-question 'y-or-n-p ,question ,show ,@text))
1482 (defmacro message-delete-line (&optional n)
1483 "Delete the current line (and the next N lines)."
1484 `(delete-region (progn (beginning-of-line) (point))
1485 (progn (forward-line ,(or n 1)) (point))))
1487 (defun message-mark-active-p ()
1488 "Non-nil means the mark and region are currently active in this buffer."
1491 (defun message-unquote-tokens (elems)
1492 "Remove double quotes (\") from strings in list ELEMS."
1493 (mapcar (lambda (item)
1494 (while (string-match "^\\(.*\\)\"\\(.*\\)$" item)
1495 (setq item (concat (match-string 1 item)
1496 (match-string 2 item))))
1500 (defun message-tokenize-header (header &optional separator)
1501 "Split HEADER into a list of header elements.
1502 SEPARATOR is a string of characters to be used as separators. \",\"
1503 is used by default."
1506 (let ((regexp (format "[%s]+" (or separator ",")))
1511 (mm-enable-multibyte)
1513 (goto-char (point-min))
1518 (cond ((and (> (point) beg)
1520 (and (looking-at regexp)
1523 (push (buffer-substring beg (point)) elems)
1524 (setq beg (match-end 0)))
1525 ((eq (char-after) ?\")
1526 (setq quoted (not quoted)))
1527 ((and (eq (char-after) ?\()
1530 ((and (eq (char-after) ?\))
1533 (nreverse elems)))))
1535 (defun message-mail-file-mbox-p (file)
1536 "Say whether FILE looks like a Unix mbox file."
1537 (when (and (file-exists-p file)
1538 (file-readable-p file)
1539 (file-regular-p file))
1541 (nnheader-insert-file-contents file)
1542 (goto-char (point-min))
1543 (looking-at message-unix-mail-delimiter))))
1545 (defun message-fetch-field (header &optional not-all)
1546 "The same as `mail-fetch-field', only remove all newlines.
1547 The buffer is expected to be narrowed to just the header of the message;
1548 see `message-narrow-to-headers-or-head'."
1549 (let* ((inhibit-point-motion-hooks t)
1550 (case-fold-search t)
1551 (value (mail-fetch-field header nil (not not-all))))
1553 (while (string-match "\n[\t ]+" value)
1554 (setq value (replace-match " " t t value)))
1555 (set-text-properties 0 (length value) nil value)
1558 (defun message-narrow-to-field ()
1559 "Narrow the buffer to the header on the current line."
1565 (if (re-search-forward "^[^ \n\t]" nil t)
1570 (goto-char (point-min)))
1572 (defun message-add-header (&rest headers)
1573 "Add the HEADERS to the message header, skipping those already present."
1576 (unless (string-match "^\\([^:]+\\):[ \t]*[^ \t]" (car headers))
1577 (error "Invalid header `%s'" (car headers)))
1578 (setq hclean (match-string 1 (car headers)))
1580 (message-narrow-to-headers)
1581 (unless (re-search-forward (concat "^" (regexp-quote hclean) ":") nil t)
1582 (goto-char (point-max))
1583 (if (string-match "\n$" (car headers))
1584 (insert (car headers))
1585 (insert (car headers) ?\n)))))
1586 (setq headers (cdr headers))))
1588 (defmacro message-with-reply-buffer (&rest forms)
1589 "Evaluate FORMS in the reply buffer, if it exists."
1590 `(when (and message-reply-buffer
1591 (buffer-name message-reply-buffer))
1593 (set-buffer message-reply-buffer)
1596 (put 'message-with-reply-buffer 'lisp-indent-function 0)
1597 (put 'message-with-reply-buffer 'edebug-form-spec '(body))
1599 (defun message-fetch-reply-field (header)
1600 "Fetch field HEADER from the message we're replying to."
1601 (message-with-reply-buffer
1603 (mail-narrow-to-head)
1604 (message-fetch-field header))))
1606 (defun message-strip-list-identifiers (subject)
1607 "Remove list identifiers in `gnus-list-identifiers' from string SUBJECT."
1608 (require 'gnus-sum) ; for gnus-list-identifiers
1609 (let ((regexp (if (stringp gnus-list-identifiers)
1610 gnus-list-identifiers
1611 (mapconcat 'identity gnus-list-identifiers " *\\|"))))
1612 (if (string-match (concat "\\(\\(\\(Re: +\\)?\\(" regexp
1613 " *\\)\\)+\\(Re: +\\)?\\)") subject)
1614 (concat (substring subject 0 (match-beginning 1))
1615 (or (match-string 3 subject)
1616 (match-string 5 subject))
1621 (defun message-strip-subject-re (subject)
1622 "Remove \"Re:\" from subject lines in string SUBJECT."
1623 (if (string-match message-subject-re-regexp subject)
1624 (substring subject (match-end 0))
1627 ;;; Start of functions adopted from `message-utils.el'.
1629 (defun message-strip-subject-trailing-was (subject)
1630 "Remove trailing \"(Was: <old subject>)\" from SUBJECT lines.
1631 Leading \"Re: \" is not stripped by this function. Use the function
1632 `message-strip-subject-re' for this."
1633 (let* ((query message-subject-trailing-was-query)
1638 message-subject-trailing-was-ask-regexp
1639 message-subject-trailing-was-regexp)
1642 (setq new (substring subject 0 (match-beginning 0))))
1643 (if (or (not found) (eq query nil))
1646 (if (message-y-or-n-p
1647 "Strip `(was: <old subject>)' in subject? " t
1649 "Strip `(was: <old subject>)' in subject "
1650 "and use the new one instead?\n\n"
1651 "Current subject is: \""
1653 "New subject would be: \""
1655 "See the variable `message-subject-trailing-was-query' "
1656 "to get rid of this query."
1661 ;;; Suggested by Jonas Steverud @ www.dtek.chalmers.se/~d4jonas/
1664 (defun message-change-subject (new-subject)
1665 "Ask for NEW-SUBJECT header, append (was: <Old Subject>)."
1668 (read-from-minibuffer "New subject: ")))
1669 (cond ((and (not (or (null new-subject) ; new subject not empty
1670 (zerop (string-width new-subject))
1671 (string-match "^[ \t]*$" new-subject))))
1675 (message-narrow-to-headers)
1676 (message-fetch-field "Subject"))))
1677 (cond ((not old-subject)
1678 (error "No current subject"))
1681 (regexp-quote new-subject)
1683 old-subject)) ; yes, it really is a new subject
1684 ;; delete eventual Re: prefix
1686 (message-strip-subject-re old-subject))
1687 (message-goto-subject)
1688 (message-delete-line)
1689 (insert (concat "Subject: "
1692 old-subject ")\n")))))))))
1695 (defun message-mark-inserted-region (beg end)
1696 "Mark some region in the current article with enclosing tags.
1697 See `message-mark-insert-begin' and `message-mark-insert-end'."
1700 ; add to the end of the region first, otherwise end would be invalid
1702 (insert message-mark-insert-end)
1704 (insert message-mark-insert-begin)))
1707 (defun message-mark-insert-file (file)
1708 "Insert FILE at point, marking it with enclosing tags.
1709 See `message-mark-insert-begin' and `message-mark-insert-end'."
1710 (interactive "fFile to insert: ")
1711 ;; reverse insertion to get correct result.
1713 (insert message-mark-insert-end)
1715 (insert-file-contents file)
1717 (insert message-mark-insert-begin)))
1720 (defun message-add-archive-header ()
1721 "Insert \"X-No-Archive: Yes\" in the header and a note in the body.
1722 The note can be customized using `message-archive-note'. When called with a
1723 prefix argument, ask for a text to insert. If you don't want the note in the
1724 body, set `message-archive-note' to nil."
1726 (if current-prefix-arg
1727 (setq message-archive-note
1728 (read-from-minibuffer "Reason for No-Archive: "
1729 (cons message-archive-note 0))))
1731 (if (message-goto-signature)
1732 (re-search-backward message-signature-separator))
1733 (when message-archive-note
1734 (insert message-archive-note)
1736 (message-add-header message-archive-header)
1737 (message-sort-headers)))
1740 (defun message-cross-post-followup-to-header (target-group)
1741 "Mangles FollowUp-To and Newsgroups header to point to TARGET-GROUP.
1742 With prefix-argument just set Follow-Up, don't cross-post."
1744 (list ; Completion based on Gnus
1745 (completing-read "Followup To: "
1746 (if (boundp 'gnus-newsrc-alist)
1748 nil nil '("poster" . 0)
1749 (if (boundp 'gnus-group-history)
1750 'gnus-group-history))))
1751 (message-remove-header "Follow[Uu]p-[Tt]o" t)
1752 (message-goto-newsgroups)
1754 ;; if we already did a crosspost before, kill old target
1755 (if (and message-cross-post-old-target
1757 (regexp-quote (concat "," message-cross-post-old-target))
1760 ;; unless (followup is to poster or user explicitly asked not
1761 ;; to cross-post, or target-group is already in Newsgroups)
1762 ;; add target-group to Newsgroups line.
1764 ;; def: cross-post, req:no
1765 (and message-cross-post-default (not current-prefix-arg))
1766 ;; def: no-cross-post, req:yes
1767 (and (not message-cross-post-default) current-prefix-arg))
1768 (not (string-match "poster" target-group))
1769 (not (string-match (regexp-quote target-group)
1770 (message-fetch-field "Newsgroups"))))
1772 (insert (concat "," target-group))))
1773 (end-of-line) ; ensure Followup: comes after Newsgroups:
1774 ;; unless new followup would be identical to Newsgroups line
1775 ;; make a new Followup-To line
1776 (if (not (string-match (concat "^[ \t]*"
1779 (message-fetch-field "Newsgroups")))
1780 (insert (concat "\nFollowup-To: " target-group)))
1781 (setq message-cross-post-old-target target-group))
1784 (defun message-cross-post-insert-note (target-group cross-post in-old
1786 "Insert a in message body note about a set Followup or Crosspost.
1787 If there have been previous notes, delete them. TARGET-GROUP specifies the
1788 group to Followup-To. When CROSS-POST is t, insert note about
1789 crossposting. IN-OLD specifies whether TARGET-GROUP is a member of
1790 OLD-GROUPS. OLD-GROUPS lists the old-groups the posting would have
1791 been made to before the user asked for a Crosspost."
1792 ;; start scanning body for previous uses
1793 (message-goto-signature)
1794 (let ((head (re-search-backward
1795 (concat "^" mail-header-separator)
1796 nil t))) ; just search in body
1797 (message-goto-signature)
1798 (while (re-search-backward
1799 (concat "^" (regexp-quote message-cross-post-note) ".*")
1801 (message-delete-line))
1802 (message-goto-signature)
1803 (while (re-search-backward
1804 (concat "^" (regexp-quote message-followup-to-note) ".*")
1806 (message-delete-line))
1808 (if (message-goto-signature)
1809 (re-search-backward message-signature-separator))
1812 (string-match "^[ \t]*poster[ \t]*$" target-group))
1813 (insert (concat message-followup-to-note target-group "\n"))
1814 (insert (concat message-cross-post-note target-group "\n")))))
1817 (defun message-cross-post-followup-to (target-group)
1818 "Crossposts message and set Followup-To to TARGET-GROUP.
1819 With prefix-argument just set Follow-Up, don't cross-post."
1821 (list ; Completion based on Gnus
1822 (completing-read "Followup To: "
1823 (if (boundp 'gnus-newsrc-alist)
1825 nil nil '("poster" . 0)
1826 (if (boundp 'gnus-group-history)
1827 'gnus-group-history))))
1828 (cond ((not (or (null target-group) ; new subject not empty
1829 (zerop (string-width target-group))
1830 (string-match "^[ \t]*$" target-group)))
1832 (let* ((old-groups (message-fetch-field "Newsgroups"))
1833 (in-old (string-match
1834 (regexp-quote target-group)
1835 (or old-groups ""))))
1836 ;; check whether target exactly matches old Newsgroups
1837 (cond ((not old-groups)
1838 (error "No current newsgroup"))
1842 (regexp-quote target-group)
1845 ;; yes, Newsgroups line must change
1846 (message-cross-post-followup-to-header target-group)
1847 ;; insert note whether we do cross-post or followup-to
1848 (funcall message-cross-post-note-function
1850 (if (or (and message-cross-post-default
1851 (not current-prefix-arg))
1852 (and (not message-cross-post-default)
1853 current-prefix-arg)) t)
1854 in-old old-groups))))))))
1856 ;;; Reduce To: to Cc: or Bcc: header
1859 (defun message-reduce-to-to-cc ()
1860 "Replace contents of To: header with contents of Cc: or Bcc: header."
1863 (save-restriction (message-narrow-to-headers)
1864 (message-fetch-field "cc")))
1866 (if (and (not cc-content)
1869 (message-narrow-to-headers)
1870 (message-fetch-field "bcc"))))
1875 (message-delete-line)
1876 (insert (concat "To: " cc-content "\n"))
1878 (message-narrow-to-headers)
1879 (message-remove-header (if bcc
1883 ;;; End of functions adopted from `message-utils.el'.
1885 (defun message-remove-header (header &optional is-regexp first reverse)
1886 "Remove HEADER in the narrowed buffer.
1887 If IS-REGEXP, HEADER is a regular expression.
1888 If FIRST, only remove the first instance of the header.
1889 Return the number of headers removed."
1890 (goto-char (point-min))
1891 (let ((regexp (if is-regexp header (concat "^" (regexp-quote header) ":")))
1893 (case-fold-search t)
1895 (while (and (not (eobp))
1898 (not (looking-at regexp))
1899 (looking-at regexp))
1906 ;; There might be a continuation header, so we have to search
1907 ;; until we find a new non-continuation line.
1910 (if (re-search-forward "^[^ \t]" nil t)
1911 (goto-char (match-beginning 0))
1914 (if (re-search-forward "^[^ \t]" nil t)
1915 (goto-char (match-beginning 0))
1916 (goto-char (point-max)))))
1919 (defun message-remove-first-header (header)
1920 "Remove the first instance of HEADER if there is more than one."
1922 (regexp (concat "^" (regexp-quote header) ":")))
1924 (goto-char (point-min))
1925 (while (re-search-forward regexp nil t)
1928 (message-remove-header header nil t)
1931 (defun message-narrow-to-headers ()
1932 "Narrow the buffer to the head of the message."
1935 (goto-char (point-min))
1936 (if (re-search-forward
1937 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1940 (goto-char (point-min)))
1942 (defun message-narrow-to-head-1 ()
1943 "Like `message-narrow-to-head'. Don't widen."
1945 (goto-char (point-min))
1946 (if (search-forward "\n\n" nil 1)
1949 (goto-char (point-min)))
1951 (defun message-narrow-to-head ()
1952 "Narrow the buffer to the head of the message.
1953 Point is left at the beginning of the narrowed-to region."
1955 (message-narrow-to-head-1))
1957 (defun message-narrow-to-headers-or-head ()
1958 "Narrow the buffer to the head of the message."
1961 (goto-char (point-min))
1964 (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
1965 (match-beginning 0))
1966 ((search-forward "\n\n" nil t)
1970 (goto-char (point-min)))
1972 (defun message-news-p ()
1973 "Say whether the current buffer contains a news message."
1974 (and (not message-this-is-mail)
1975 (or message-this-is-news
1978 (message-narrow-to-headers)
1979 (and (message-fetch-field "newsgroups")
1980 (not (message-fetch-field "posted-to"))))))))
1982 (defun message-mail-p ()
1983 "Say whether the current buffer contains a mail message."
1984 (and (not message-this-is-news)
1985 (or message-this-is-mail
1988 (message-narrow-to-headers)
1989 (or (message-fetch-field "to")
1990 (message-fetch-field "cc")
1991 (message-fetch-field "bcc")))))))
1993 (defun message-subscribed-p ()
1994 "Say whether we need to insert a MFT header."
1995 (or message-subscribed-regexps
1996 message-subscribed-addresses
1997 message-subscribed-address-file
1998 message-subscribed-address-functions))
2000 (defun message-next-header ()
2001 "Go to the beginning of the next header."
2003 (or (eobp) (forward-char 1))
2004 (not (if (re-search-forward "^[^ \t]" nil t)
2006 (goto-char (point-max)))))
2008 (defun message-sort-headers-1 ()
2009 "Sort the buffer as headers using `message-rank' text props."
2010 (goto-char (point-min))
2013 nil 'message-next-header
2015 (message-next-header)
2019 (or (get-text-property (point) 'message-rank)
2022 (defun message-sort-headers ()
2023 "Sort the headers of the current message according to `message-header-format-alist'."
2027 (let ((max (1+ (length message-header-format-alist)))
2029 (message-narrow-to-headers)
2030 (while (re-search-forward "^[^ \n]+:" nil t)
2032 (match-beginning 0) (1+ (match-beginning 0))
2034 (if (setq rank (length (memq (assq (intern (buffer-substring
2036 (1- (match-end 0))))
2037 message-header-format-alist)
2038 message-header-format-alist)))
2041 (message-sort-headers-1))))
2052 (defvar message-mode-map nil)
2054 (unless message-mode-map
2055 (setq message-mode-map (make-keymap))
2056 (set-keymap-parent message-mode-map text-mode-map)
2057 (define-key message-mode-map "\C-c?" 'describe-mode)
2059 (define-key message-mode-map "\C-c\C-f\C-t" 'message-goto-to)
2060 (define-key message-mode-map "\C-c\C-f\C-o" 'message-goto-from)
2061 (define-key message-mode-map "\C-c\C-f\C-b" 'message-goto-bcc)
2062 (define-key message-mode-map "\C-c\C-f\C-w" 'message-goto-fcc)
2063 (define-key message-mode-map "\C-c\C-f\C-c" 'message-goto-cc)
2064 (define-key message-mode-map "\C-c\C-f\C-s" 'message-goto-subject)
2065 (define-key message-mode-map "\C-c\C-f\C-r" 'message-goto-reply-to)
2066 (define-key message-mode-map "\C-c\C-f\C-n" 'message-goto-newsgroups)
2067 (define-key message-mode-map "\C-c\C-f\C-d" 'message-goto-distribution)
2068 (define-key message-mode-map "\C-c\C-f\C-f" 'message-goto-followup-to)
2069 (define-key message-mode-map "\C-c\C-f\C-m" 'message-goto-mail-followup-to)
2070 (define-key message-mode-map "\C-c\C-f\C-k" 'message-goto-keywords)
2071 (define-key message-mode-map "\C-c\C-f\C-u" 'message-goto-summary)
2072 (define-key message-mode-map "\C-c\C-f\C-i"
2073 'message-insert-or-toggle-importance)
2074 (define-key message-mode-map "\C-c\C-f\C-a"
2075 'message-generate-unsubscribed-mail-followup-to)
2077 ;; modify headers (and insert notes in body)
2078 (define-key message-mode-map "\C-c\C-fs" 'message-change-subject)
2080 (define-key message-mode-map "\C-c\C-fx" 'message-cross-post-followup-to)
2081 ;; prefix+message-cross-post-followup-to = same w/o cross-post
2082 (define-key message-mode-map "\C-c\C-ft" 'message-reduce-to-to-cc)
2083 (define-key message-mode-map "\C-c\C-fa" 'message-add-archive-header)
2084 ;; mark inserted text
2085 (define-key message-mode-map "\C-c\M-m" 'message-mark-inserted-region)
2086 (define-key message-mode-map "\C-c\M-f" 'message-mark-insert-file)
2088 (define-key message-mode-map "\C-c\C-b" 'message-goto-body)
2089 (define-key message-mode-map "\C-c\C-i" 'message-goto-signature)
2091 (define-key message-mode-map "\C-c\C-t" 'message-insert-to)
2092 (define-key message-mode-map "\C-c\C-fw" 'message-insert-wide-reply)
2093 (define-key message-mode-map "\C-c\C-n" 'message-insert-newsgroups)
2094 (define-key message-mode-map "\C-c\C-l" 'message-to-list-only)
2096 (define-key message-mode-map "\C-c\C-u" 'message-insert-or-toggle-importance)
2097 (define-key message-mode-map "\C-c\M-n"
2098 'message-insert-disposition-notification-to)
2100 (define-key message-mode-map "\C-c\C-y" 'message-yank-original)
2101 (define-key message-mode-map "\C-c\M-\C-y" 'message-yank-buffer)
2102 (define-key message-mode-map "\C-c\C-q" 'message-fill-yanked-message)
2103 (define-key message-mode-map "\C-c\C-w" 'message-insert-signature)
2104 (define-key message-mode-map "\C-c\M-h" 'message-insert-headers)
2105 (define-key message-mode-map "\C-c\C-r" 'message-caesar-buffer-body)
2106 (define-key message-mode-map "\C-c\C-o" 'message-sort-headers)
2107 (define-key message-mode-map "\C-c\M-r" 'message-rename-buffer)
2109 (define-key message-mode-map "\C-c\C-c" 'message-send-and-exit)
2110 (define-key message-mode-map "\C-c\C-s" 'message-send)
2111 (define-key message-mode-map "\C-c\C-k" 'message-kill-buffer)
2112 (define-key message-mode-map "\C-c\C-d" 'message-dont-send)
2113 (define-key message-mode-map "\C-c\n" 'gnus-delay-article)
2115 (define-key message-mode-map "\C-c\C-e" 'message-elide-region)
2116 (define-key message-mode-map "\C-c\C-v" 'message-delete-not-region)
2117 (define-key message-mode-map "\C-c\C-z" 'message-kill-to-signature)
2118 (define-key message-mode-map "\M-\r" 'message-newline-and-reformat)
2119 ;;(define-key message-mode-map "\M-q" 'message-fill-paragraph)
2120 (define-key message-mode-map [remap split-line] 'message-split-line)
2122 (define-key message-mode-map "\C-c\C-a" 'mml-attach-file)
2124 (define-key message-mode-map "\C-a" 'message-beginning-of-line)
2125 (define-key message-mode-map "\t" 'message-tab)
2126 (define-key message-mode-map "\M-;" 'comment-region))
2129 message-mode-menu message-mode-map "Message Menu."
2131 ["Yank Original" message-yank-original message-reply-buffer]
2132 ["Fill Yanked Message" message-fill-yanked-message t]
2133 ["Insert Signature" message-insert-signature t]
2134 ["Caesar (rot13) Message" message-caesar-buffer-body t]
2135 ["Caesar (rot13) Region" message-caesar-region (message-mark-active-p)]
2136 ["Elide Region" message-elide-region
2137 :active (message-mark-active-p)
2138 ,@(if (featurep 'xemacs) nil
2139 '(:help "Replace text in region with an ellipsis"))]
2140 ["Delete Outside Region" message-delete-not-region
2141 :active (message-mark-active-p)
2142 ,@(if (featurep 'xemacs) nil
2143 '(:help "Delete all quoted text outside region"))]
2144 ["Kill To Signature" message-kill-to-signature t]
2145 ["Newline and Reformat" message-newline-and-reformat t]
2146 ["Rename buffer" message-rename-buffer t]
2147 ["Spellcheck" ispell-message
2148 ,@(if (featurep 'xemacs) '(t)
2149 '(:help "Spellcheck this message"))]
2151 ["Insert Region Marked" message-mark-inserted-region
2152 :active (message-mark-active-p)
2153 ,@(if (featurep 'xemacs) nil
2154 '(:help "Mark region with enclosing tags"))]
2155 ["Insert File Marked..." message-mark-insert-file
2156 ,@(if (featurep 'xemacs) '(t)
2157 '(:help "Insert file at point marked with enclosing tags"))]
2159 ["Send Message" message-send-and-exit
2160 ,@(if (featurep 'xemacs) '(t)
2161 '(:help "Send this message"))]
2162 ["Postpone Message" message-dont-send
2163 ,@(if (featurep 'xemacs) '(t)
2164 '(:help "File this draft message and exit"))]
2165 ["Send at Specific Time..." gnus-delay-article
2166 ,@(if (featurep 'xemacs) '(t)
2167 '(:help "Ask, then arrange to send message at that time"))]
2168 ["Kill Message" message-kill-buffer
2169 ,@(if (featurep 'xemacs) '(t)
2170 '(:help "Delete this message without sending"))]))
2173 message-mode-field-menu message-mode-map ""
2175 ["Fetch To" message-insert-to t]
2176 ["Fetch Newsgroups" message-insert-newsgroups t]
2178 ["To" message-goto-to t]
2179 ["From" message-goto-from t]
2180 ["Subject" message-goto-subject t]
2181 ["Change subject..." message-change-subject t]
2182 ["Cc" message-goto-cc t]
2183 ["Bcc" message-goto-bcc t]
2184 ["Fcc" message-goto-fcc t]
2185 ["Reply-To" message-goto-reply-to t]
2186 ["Flag As Important" message-insert-importance-high
2187 ,@(if (featurep 'xemacs) '(t)
2188 '(:help "Mark this message as important"))]
2189 ["Flag As Unimportant" message-insert-importance-low
2190 ,@(if (featurep 'xemacs) '(t)
2191 '(:help "Mark this message as unimportant"))]
2193 message-insert-disposition-notification-to
2194 ,@(if (featurep 'xemacs) '(t)
2195 '(:help "Request a receipt notification"))]
2197 ;; (typical) news stuff
2198 ["Summary" message-goto-summary t]
2199 ["Keywords" message-goto-keywords t]
2200 ["Newsgroups" message-goto-newsgroups t]
2201 ["Followup-To" message-goto-followup-to t]
2202 ;; ["Followup-To (with note in body)" message-cross-post-followup-to t]
2203 ["Crosspost / Followup-To..." message-cross-post-followup-to t]
2204 ["Distribution" message-goto-distribution t]
2205 ["X-No-Archive:" message-add-archive-header t ]
2207 ;; (typical) mailing-lists stuff
2208 ["Send to list only" message-to-list-only t]
2209 ["Mail-Followup-To" message-goto-mail-followup-to t]
2210 ["Reduce To: to Cc:" message-reduce-to-to-cc t]
2212 ["Sort Headers" message-sort-headers t]
2213 ["Encode non-ASCII domain names" message-idna-to-ascii-rhs t]
2214 ["Goto Body" message-goto-body t]
2215 ["Goto Signature" message-goto-signature t]))
2217 (defvar message-tool-bar-map nil)
2220 (defvar facemenu-add-face-function)
2221 (defvar facemenu-remove-face-function))
2223 ;;; Forbidden properties
2225 ;; We use `after-change-functions' to keep special text properties
2226 ;; that interfer with the normal function of message mode out of the
2229 (defcustom message-strip-special-text-properties t
2230 "Strip special properties from the message buffer.
2232 Emacs has a number of special text properties which can break message
2233 composing in various ways. If this option is set, message will strip
2234 these properties from the message composition buffer. However, some
2235 packages requires these properties to be present in order to work.
2236 If you use one of these packages, turn this option off, and hope the
2237 message composition doesn't break too bad."
2238 :group 'message-various
2241 (defconst message-forbidden-properties
2242 ;; No reason this should be clutter up customize. We make it a
2243 ;; property list (rather than a list of property symbols), to be
2244 ;; directly useful for `remove-text-properties'.
2245 '(field nil read-only nil invisible nil intangible nil
2246 mouse-face nil modification-hooks nil insert-in-front-hooks nil
2247 insert-behind-hooks nil point-entered nil point-left nil)
2248 ;; Other special properties:
2249 ;; category, face, display: probably doesn't do any harm.
2250 ;; fontified: is used by font-lock.
2251 ;; syntax-table, local-map: I dunno.
2252 ;; We need to add XEmacs names to the list.
2253 "Property list of with properties.forbidden in message buffers.
2254 The values of the properties are ignored, only the property names are used.")
2256 (defun message-tamago-not-in-use-p (pos)
2257 "Return t when tamago version 4 is not in use at the cursor position.
2258 Tamago version 4 is a popular input method for writing Japanese text.
2259 It uses the properties `intangible', `invisible', `modification-hooks'
2260 and `read-only' when translating ascii or kana text to kanji text.
2261 These properties are essential to work, so we should never strip them."
2262 (not (and (boundp 'egg-modefull-mode)
2263 (symbol-value 'egg-modefull-mode)
2264 (or (memq (get-text-property pos 'intangible)
2265 '(its-part-1 its-part-2))
2266 (get-text-property pos 'egg-end)
2267 (get-text-property pos 'egg-lang)
2268 (get-text-property pos 'egg-start)))))
2270 (defun message-strip-forbidden-properties (begin end &optional old-length)
2271 "Strip forbidden properties between BEGIN and END, ignoring the third arg.
2272 This function is intended to be called from `after-change-functions'.
2273 See also `message-forbidden-properties'."
2274 (when (and message-strip-special-text-properties
2275 (message-tamago-not-in-use-p begin))
2276 (while (not (= begin end))
2277 (when (not (get-text-property begin 'message-hidden))
2278 (remove-text-properties begin (1+ begin)
2279 message-forbidden-properties))
2283 (define-derived-mode message-mode text-mode "Message"
2284 "Major mode for editing mail and news to be sent.
2285 Like Text Mode but with these additional commands:\\<message-mode-map>
2286 C-c C-s `message-send' (send the message) C-c C-c `message-send-and-exit'
2287 C-c C-d Postpone sending the message C-c C-k Kill the message
2288 C-c C-f move to a header field (and create it if there isn't):
2289 C-c C-f C-t move to To C-c C-f C-s move to Subject
2290 C-c C-f C-c move to Cc C-c C-f C-b move to Bcc
2291 C-c C-f C-w move to Fcc C-c C-f C-r move to Reply-To
2292 C-c C-f C-u move to Summary C-c C-f C-n move to Newsgroups
2293 C-c C-f C-k move to Keywords C-c C-f C-d move to Distribution
2294 C-c C-f C-o move to From (\"Originator\")
2295 C-c C-f C-f move to Followup-To
2296 C-c C-f C-m move to Mail-Followup-To
2297 C-c C-f C-i cycle through Importance values
2298 C-c C-f s change subject and append \"(was: <Old Subject>)\"
2299 C-c C-f x crossposting with FollowUp-To header and note in body
2300 C-c C-f t replace To: header with contents of Cc: or Bcc:
2301 C-c C-f a Insert X-No-Archive: header and a note in the body
2302 C-c C-t `message-insert-to' (add a To header to a news followup)
2303 C-c C-l `message-to-list-only' (removes all but list address in to/cc)
2304 C-c C-n `message-insert-newsgroups' (add a Newsgroup header to a news reply)
2305 C-c C-b `message-goto-body' (move to beginning of message text).
2306 C-c C-i `message-goto-signature' (move to the beginning of the signature).
2307 C-c C-w `message-insert-signature' (insert `message-signature-file' file).
2308 C-c C-y `message-yank-original' (insert current message, if any).
2309 C-c C-q `message-fill-yanked-message' (fill what was yanked).
2310 C-c C-e `message-elide-region' (elide the text between point and mark).
2311 C-c C-v `message-delete-not-region' (remove the text outside the region).
2312 C-c C-z `message-kill-to-signature' (kill the text up to the signature).
2313 C-c C-r `message-caesar-buffer-body' (rot13 the message body).
2314 C-c C-a `mml-attach-file' (attach a file as MIME).
2315 C-c C-u `message-insert-or-toggle-importance' (insert or cycle importance).
2316 C-c M-n `message-insert-disposition-notification-to' (request receipt).
2317 C-c M-m `message-mark-inserted-region' (mark region with enclosing tags).
2318 C-c M-f `message-mark-insert-file' (insert file marked with enclosing tags).
2319 M-RET `message-newline-and-reformat' (break the line and reformat)."
2320 (setq local-abbrev-table text-mode-abbrev-table)
2321 (set (make-local-variable 'message-reply-buffer) nil)
2322 (make-local-variable 'message-send-actions)
2323 (make-local-variable 'message-exit-actions)
2324 (make-local-variable 'message-kill-actions)
2325 (make-local-variable 'message-postpone-actions)
2326 (make-local-variable 'message-draft-article)
2327 (setq buffer-offer-save t)
2328 (set (make-local-variable 'facemenu-add-face-function)
2330 (let ((face-fun (cdr (assq face message-face-alist))))
2332 (funcall face-fun (point) end)
2333 (error "Face %s not configured for %s mode" face mode-name)))
2335 (set (make-local-variable 'facemenu-remove-face-function) t)
2336 (set (make-local-variable 'message-reply-headers) nil)
2337 (make-local-variable 'message-newsreader)
2338 (make-local-variable 'message-mailer)
2339 (make-local-variable 'message-post-method)
2340 (set (make-local-variable 'message-sent-message-via) nil)
2341 (set (make-local-variable 'message-checksum) nil)
2342 (set (make-local-variable 'message-mime-part) 0)
2343 (message-setup-fill-variables)
2345 (make-local-variable 'paragraph-separate)
2346 (format "\\(%s\\)\\|\\(%s\\)"
2348 "<#!*/?\\(multipart\\|part\\|external\\|mml\\|secure\\)"))
2349 ;; Allow using comment commands to add/remove quoting.
2350 (set (make-local-variable 'comment-start) message-yank-prefix)
2351 (if (featurep 'xemacs)
2352 (message-setup-toolbar)
2353 (set (make-local-variable 'font-lock-defaults)
2354 '(message-font-lock-keywords t))
2355 (if (boundp 'tool-bar-map)
2356 (set (make-local-variable 'tool-bar-map) (message-tool-bar-map))))
2357 (easy-menu-add message-mode-menu message-mode-map)
2358 (easy-menu-add message-mode-field-menu message-mode-map)
2359 (gnus-make-local-hook 'after-change-functions)
2360 ;; Mmmm... Forbidden properties...
2361 (add-hook 'after-change-functions 'message-strip-forbidden-properties
2363 ;; Allow mail alias things.
2364 (when (eq message-mail-alias-type 'abbrev)
2365 (if (fboundp 'mail-abbrevs-setup)
2366 (mail-abbrevs-setup)
2367 (if (fboundp 'mail-aliases-setup) ; warning avoidance
2368 (mail-aliases-setup))))
2369 (unless buffer-file-name
2370 (message-set-auto-save-file-name))
2371 (unless (buffer-base-buffer)
2372 ;; Don't enable multibyte on an indirect buffer. Maybe enabling
2373 ;; multibyte is not necessary at all. -- zsh
2374 (mm-enable-multibyte))
2375 (set (make-local-variable 'indent-tabs-mode) nil) ;No tabs for indentation.
2378 (defun message-setup-fill-variables ()
2379 "Setup message fill variables."
2380 (set (make-local-variable 'fill-paragraph-function)
2381 'message-fill-paragraph)
2382 (make-local-variable 'paragraph-separate)
2383 (make-local-variable 'paragraph-start)
2384 (make-local-variable 'adaptive-fill-regexp)
2385 (unless (boundp 'adaptive-fill-first-line-regexp)
2386 (setq adaptive-fill-first-line-regexp nil))
2387 (make-local-variable 'adaptive-fill-first-line-regexp)
2388 (let ((quote-prefix-regexp
2389 ;; User should change message-cite-prefix-regexp if
2390 ;; message-yank-prefix is set to an abnormal value.
2391 (concat "\\(" message-cite-prefix-regexp "\\)[ \t]*")))
2392 (setq paragraph-start
2394 (regexp-quote mail-header-separator) "$\\|"
2395 "[ \t]*$\\|" ; blank lines
2396 "-- $\\|" ; signature delimiter
2397 "---+$\\|" ; delimiters for forwarded messages
2398 page-delimiter "$\\|" ; spoiler warnings
2399 ".*wrote:$\\|" ; attribution lines
2400 quote-prefix-regexp "$")) ; empty lines in quoted text
2401 (setq paragraph-separate paragraph-start)
2402 (setq adaptive-fill-regexp
2403 (concat quote-prefix-regexp "\\|" adaptive-fill-regexp))
2404 (setq adaptive-fill-first-line-regexp
2405 (concat quote-prefix-regexp "\\|"
2406 adaptive-fill-first-line-regexp)))
2407 (make-local-variable 'auto-fill-inhibit-regexp)
2408 ;;(setq auto-fill-inhibit-regexp "^[A-Z][^: \n\t]+:")
2409 (setq auto-fill-inhibit-regexp nil)
2410 (make-local-variable 'normal-auto-fill-function)
2411 (setq normal-auto-fill-function 'message-do-auto-fill)
2412 ;; KLUDGE: auto fill might already be turned on in `text-mode-hook'.
2413 ;; In that case, ensure that it uses the right function. The real
2414 ;; solution would be not to use `define-derived-mode', and run
2415 ;; `text-mode-hook' ourself at the end of the mode.
2416 ;; -- Per Abrahamsen <abraham@dina.kvl.dk> Date: 2001-10-19.
2417 (when auto-fill-function
2418 (setq auto-fill-function normal-auto-fill-function)))
2423 ;;; Message mode commands
2426 ;;; Movement commands
2428 (defun message-goto-to ()
2429 "Move point to the To header."
2431 (message-position-on-field "To"))
2433 (defun message-goto-from ()
2434 "Move point to the From header."
2436 (message-position-on-field "From"))
2438 (defun message-goto-subject ()
2439 "Move point to the Subject header."
2441 (message-position-on-field "Subject"))
2443 (defun message-goto-cc ()
2444 "Move point to the Cc header."
2446 (message-position-on-field "Cc" "To"))
2448 (defun message-goto-bcc ()
2449 "Move point to the Bcc header."
2451 (message-position-on-field "Bcc" "Cc" "To"))
2453 (defun message-goto-fcc ()
2454 "Move point to the Fcc header."
2456 (message-position-on-field "Fcc" "To" "Newsgroups"))
2458 (defun message-goto-reply-to ()
2459 "Move point to the Reply-To header."
2461 (message-position-on-field "Reply-To" "Subject"))
2463 (defun message-goto-newsgroups ()
2464 "Move point to the Newsgroups header."
2466 (message-position-on-field "Newsgroups"))
2468 (defun message-goto-distribution ()
2469 "Move point to the Distribution header."
2471 (message-position-on-field "Distribution"))
2473 (defun message-goto-followup-to ()
2474 "Move point to the Followup-To header."
2476 (message-position-on-field "Followup-To" "Newsgroups"))
2478 (defun message-goto-mail-followup-to ()
2479 "Move point to the Mail-Followup-To header."
2481 (message-position-on-field "Mail-Followup-To" "From"))
2483 (defun message-goto-keywords ()
2484 "Move point to the Keywords header."
2486 (message-position-on-field "Keywords" "Subject"))
2488 (defun message-goto-summary ()
2489 "Move point to the Summary header."
2491 (message-position-on-field "Summary" "Subject"))
2493 (defun message-goto-body (&optional interactivep)
2494 "Move point to the beginning of the message body."
2495 (interactive (list t))
2496 (when (and interactivep
2497 (looking-at "[ \t]*\n"))
2499 (goto-char (point-min))
2500 (or (search-forward (concat "\n" mail-header-separator "\n") nil t)
2501 (search-forward-regexp "[^:]+:\\([^\n]\\|\n[ \t]\\)+\n\n" nil t)))
2503 (defun message-goto-eoh ()
2504 "Move point to the end of the headers."
2509 (defun message-goto-signature ()
2510 "Move point to the beginning of the message signature.
2511 If there is no signature in the article, go to the end and
2514 (goto-char (point-min))
2515 (if (re-search-forward message-signature-separator nil t)
2517 (goto-char (point-max))
2520 (defun message-generate-unsubscribed-mail-followup-to (&optional include-cc)
2521 "Insert a reasonable MFT header in a post to an unsubscribed list.
2522 When making original posts to a mailing list you are not subscribed to,
2523 you have to type in a MFT header by hand. The contents, usually, are
2524 the addresses of the list and your own address. This function inserts
2525 such a header automatically. It fetches the contents of the To: header
2526 in the current mail buffer, and appends the current `user-mail-address'.
2528 If the optional argument INCLUDE-CC is non-nil, the addresses in the
2529 Cc: header are also put into the MFT."
2534 (message-narrow-to-headers)
2535 (message-remove-header "Mail-Followup-To")
2536 (setq cc (and include-cc (message-fetch-field "Cc")))
2538 (concat (message-fetch-field "To") "," cc)
2539 (message-fetch-field "To"))))
2540 (message-goto-mail-followup-to)
2541 (insert (concat tos ", " user-mail-address))))
2545 (defun message-insert-to (&optional force)
2546 "Insert a To header that points to the author of the article being replied to.
2547 If the original author requested not to be sent mail, the function signals
2549 With the prefix argument FORCE, insert the header anyway."
2551 (let ((co (message-fetch-reply-field "mail-copies-to")))
2552 (when (and (null force)
2554 (or (equal (downcase co) "never")
2555 (equal (downcase co) "nobody")))
2556 (error "The user has requested not to have copies sent via mail")))
2557 (message-carefully-insert-headers
2559 (or (message-fetch-reply-field "mail-reply-to")
2560 (message-fetch-reply-field "reply-to")
2561 (message-fetch-reply-field "from")
2564 (defun message-insert-wide-reply ()
2565 "Insert To and Cc headers as if you were doing a wide reply."
2567 (let ((headers (message-with-reply-buffer
2568 (message-get-reply-headers t))))
2569 (message-carefully-insert-headers headers)))
2571 (defun message-carefully-insert-headers (headers)
2572 (dolist (header headers)
2573 (let ((header-name (symbol-name (car header))))
2574 (when (and (message-position-on-field header-name)
2575 (mail-fetch-field header-name)
2576 (not (string-match "\\` *\\'"
2577 (mail-fetch-field header-name))))
2579 (insert (cdr header)))))
2581 (defun message-widen-reply ()
2582 "Widen the reply to include maximum recipients."
2585 (and message-reply-buffer
2586 (buffer-name message-reply-buffer)
2588 (set-buffer message-reply-buffer)
2589 (message-get-reply-headers t)))))
2592 (message-narrow-to-headers)
2593 (dolist (elem follow-to)
2594 (message-remove-header (symbol-name (car elem)))
2595 (goto-char (point-min))
2596 (insert (symbol-name (car elem)) ": "
2597 (cdr elem) "\n"))))))
2599 (defun message-insert-newsgroups ()
2600 "Insert the Newsgroups header from the article being replied to."
2602 (when (and (message-position-on-field "Newsgroups")
2603 (mail-fetch-field "newsgroups")
2604 (not (string-match "\\` *\\'" (mail-fetch-field "newsgroups"))))
2606 (insert (or (message-fetch-reply-field "newsgroups") "")))
2610 ;;; Various commands
2612 (defun message-delete-not-region (beg end)
2613 "Delete everything in the body of the current message outside of the region."
2618 ;; snarf citation prefix, if appropriate
2619 (unless (eq (point) (progn (beginning-of-line) (point)))
2620 (when (looking-at message-cite-prefix-regexp)
2621 (setq citeprefix (match-string 0))))
2623 (delete-region (point) (if (not (message-goto-signature))
2629 (delete-region beg (progn (message-goto-body)
2633 (insert citeprefix))))
2634 (when (message-goto-signature)
2637 (defun message-kill-to-signature ()
2638 "Deletes all text up to the signature."
2640 (let ((point (point)))
2641 (message-goto-signature)
2644 (kill-region point (point))
2648 (defun message-newline-and-reformat (&optional arg not-break)
2649 "Insert four newlines, and then reformat if inside quoted text.
2650 Prefix arg means justify as well."
2651 (interactive (list (if current-prefix-arg 'full)))
2652 (let (quoted point beg end leading-space bolp)
2653 (setq point (point))
2656 (setq bolp (= beg point))
2657 ;; Find first line of the paragraph.
2659 (while (and (not (eobp))
2660 (not (looking-at message-cite-prefix-regexp))
2661 (looking-at paragraph-start))
2664 (when (looking-at message-cite-prefix-regexp)
2665 (setq quoted (match-string 0))
2666 (goto-char (match-end 0))
2667 (looking-at "[ \t]*")
2668 (setq leading-space (match-string 0)))
2672 (< (- point beg) (length quoted)))
2673 ;; break inside the cite prefix.
2679 (while (and (not (eobp))
2680 (not (looking-at paragraph-separate))
2681 (looking-at message-cite-prefix-regexp)
2682 (equal quoted (match-string 0)))
2683 (goto-char (match-end 0))
2684 (looking-at "[ \t]*")
2685 (if (> (length leading-space) (length (match-string 0)))
2686 (setq leading-space (match-string 0)))
2690 (while (and (if (bobp) nil (forward-line -1) t)
2691 (not (looking-at paragraph-start))
2692 (looking-at message-cite-prefix-regexp)
2693 (equal quoted (match-string 0)))
2695 (goto-char (match-end 0))
2696 (looking-at "[ \t]*")
2697 (if (> (length leading-space) (length (match-string 0)))
2698 (setq leading-space (match-string 0)))))
2699 (while (and (not (eobp))
2700 (not (looking-at paragraph-separate))
2701 (not (looking-at message-cite-prefix-regexp)))
2705 (while (and (if (bobp) nil (forward-line -1) t)
2706 (not (looking-at paragraph-start))
2707 (not (looking-at message-cite-prefix-regexp)))
2708 (setq beg (point))))
2711 (narrow-to-region beg end)
2718 (setq point (point))
2719 ;; (newline 2) doesn't mark both newline's as hard, so call
2720 ;; newline twice. -jas
2723 (delete-region (point) (re-search-forward "[ \t]*"))
2724 (when (and quoted (not bolp))
2725 (insert quoted leading-space)))
2728 (let* ((adaptive-fill-regexp
2729 (regexp-quote (concat quoted leading-space)))
2730 (adaptive-fill-first-line-regexp
2731 adaptive-fill-regexp ))
2732 (fill-paragraph arg))
2733 (fill-paragraph arg))
2734 (if point (goto-char point)))))
2736 (defun message-fill-paragraph (&optional arg)
2737 "Like `fill-paragraph'."
2738 (interactive (list (if current-prefix-arg 'full)))
2739 (if (if (boundp 'filladapt-mode) filladapt-mode)
2741 (message-newline-and-reformat arg t)
2744 ;; Is it better to use `mail-header-end'?
2745 (defun message-point-in-header-p ()
2746 "Return t if point is in the header."
2749 (goto-char (point-min))
2750 (not (re-search-forward
2751 (concat "^" (regexp-quote mail-header-separator) "\n")
2754 (defun message-do-auto-fill ()
2755 "Like `do-auto-fill', but don't fill in message header."
2756 (unless (message-point-in-header-p)
2759 (defun message-insert-signature (&optional force)
2760 "Insert a signature. See documentation for variable `message-signature'."
2761 (interactive (list 0))
2764 ((and (null message-signature)
2767 (goto-char (point-max))
2768 (not (re-search-backward message-signature-separator nil t))))
2769 ((and (null message-signature)
2772 ((functionp message-signature)
2773 (funcall message-signature))
2774 ((listp message-signature)
2775 (eval message-signature))
2776 (t message-signature)))
2778 (cond ((stringp signature)
2780 ((and (eq t signature)
2781 message-signature-file
2782 (file-exists-p message-signature-file))
2785 (goto-char (point-max))
2786 ;; Insert the signature.
2789 (when message-signature-insert-empty-line
2792 (if (eq signature t)
2793 (insert-file-contents message-signature-file)
2795 (goto-char (point-max))
2796 (or (bolp) (insert "\n")))))
2798 (defun message-insert-importance-high ()
2799 "Insert header to mark message as important."
2803 (message-narrow-to-headers)
2804 (message-remove-header "Importance"))
2806 (insert "Importance: high\n")))
2808 (defun message-insert-importance-low ()
2809 "Insert header to mark message as unimportant."
2813 (message-narrow-to-headers)
2814 (message-remove-header "Importance"))
2816 (insert "Importance: low\n")))
2818 (defun message-insert-or-toggle-importance ()
2819 "Insert a \"Importance: high\" header, or cycle through the header values.
2820 The three allowed values according to RFC 1327 are `high', `normal'
2824 (let ((valid '("high" "normal" "low"))
2828 (message-narrow-to-headers)
2829 (when (setq cur (message-fetch-field "Importance"))
2830 (message-remove-header "Importance")
2831 (setq new (cond ((string= cur "high")
2833 ((string= cur "low")
2838 (insert (format "Importance: %s\n" new)))))
2840 (defun message-insert-disposition-notification-to ()
2841 "Request a disposition notification (return receipt) to this message.
2842 Note that this should not be used in newsgroups."
2846 (message-narrow-to-headers)
2847 (message-remove-header "Disposition-Notification-To"))
2849 (insert (format "Disposition-Notification-To: %s\n"
2852 (message-narrow-to-headers)
2853 (message-fetch-field "From")))
2854 (message-make-from))))))
2856 (defun message-elide-region (b e)
2857 "Elide the text in the region.
2858 An ellipsis (from `message-elide-ellipsis') will be inserted where the
2862 (insert message-elide-ellipsis))
2864 (defvar message-caesar-translation-table nil)
2866 (defun message-caesar-region (b e &optional n)
2867 "Caesar rotate region B to E by N, default 13, for decrypting netnews."
2870 (min (point) (or (mark t) (point)))
2871 (max (point) (or (mark t) (point)))
2872 (when current-prefix-arg
2873 (prefix-numeric-value current-prefix-arg))))
2875 (setq n (if (numberp n) (mod n 26) 13)) ;canonize N
2876 (unless (or (zerop n) ; no action needed for a rot of 0
2877 (= b e)) ; no region to rotate
2878 ;; We build the table, if necessary.
2879 (when (or (not message-caesar-translation-table)
2880 (/= (aref message-caesar-translation-table ?a) (+ ?a n)))
2881 (setq message-caesar-translation-table
2882 (message-make-caesar-translation-table n)))
2883 (translate-region b e message-caesar-translation-table)))
2885 (defun message-make-caesar-translation-table (n)
2886 "Create a rot table with offset N."
2888 (table (make-string 256 0)))
2889 (while (< (incf i) 256)
2892 (substring table 0 ?A)
2893 (substring table (+ ?A n) (+ ?A n (- 26 n)))
2894 (substring table ?A (+ ?A n))
2895 (substring table (+ ?A 26) ?a)
2896 (substring table (+ ?a n) (+ ?a n (- 26 n)))
2897 (substring table ?a (+ ?a n))
2898 (substring table (+ ?a 26) 255))))
2900 (defun message-caesar-buffer-body (&optional rotnum)
2901 "Caesar rotate all letters in the current buffer by 13 places.
2902 Used to encode/decode possibly offensive messages (commonly in rec.humor).
2903 With prefix arg, specifies the number of places to rotate each letter forward.
2904 Mail and USENET news headers are not rotated."
2905 (interactive (if current-prefix-arg
2906 (list (prefix-numeric-value current-prefix-arg))
2910 (when (message-goto-body)
2911 (narrow-to-region (point) (point-max)))
2912 (message-caesar-region (point-min) (point-max) rotnum))))
2914 (defun message-pipe-buffer-body (program)
2915 "Pipe the message body in the current buffer through PROGRAM."
2918 (when (message-goto-body)
2919 (narrow-to-region (point) (point-max)))
2920 (shell-command-on-region
2921 (point-min) (point-max) program nil t))))
2923 (defun message-rename-buffer (&optional enter-string)
2924 "Rename the *message* buffer to \"*message* RECIPIENT\".
2925 If the function is run with a prefix, it will ask for a new buffer
2926 name, rather than giving an automatic name."
2927 (interactive "Pbuffer name: ")
2930 (goto-char (point-min))
2931 (narrow-to-region (point)
2932 (search-forward mail-header-separator nil 'end))
2934 (if (message-news-p) (message-fetch-field "Newsgroups")
2935 (message-fetch-field "To"))
2938 (if (string-match "," mail-to)
2939 (concat (substring mail-to 0 (match-beginning 0)) ", ...")
2941 (name-default (concat "*message* " mail-trimmed-to))
2942 (name (if enter-string
2943 (read-string "New buffer name: " name-default)
2945 (rename-buffer name t)))))
2947 (defun message-fill-yanked-message (&optional justifyp)
2948 "Fill the paragraphs of a message yanked into this one.
2949 Numeric argument means justify as well."
2952 (goto-char (point-min))
2953 (search-forward (concat "\n" mail-header-separator "\n") nil t)
2954 (let ((fill-prefix message-yank-prefix))
2955 (fill-individual-paragraphs (point) (point-max) justifyp))))
2957 (defun message-indent-citation ()
2958 "Modify text just inserted from a message to be cited.
2959 The inserted text should be the region.
2960 When this function returns, the region is again around the modified text.
2962 Normally, indent each nonblank line `message-indentation-spaces' spaces.
2963 However, if `message-yank-prefix' is non-nil, insert that prefix on each line."
2964 (let ((start (point)))
2965 ;; Remove unwanted headers.
2966 (when message-ignored-cited-headers
2971 (if (search-forward "\n\n" nil t)
2974 (message-remove-header message-ignored-cited-headers t)
2975 (when (= (point-min) (point-max))
2976 (setq all-removed t))
2977 (goto-char (point-max)))
2981 ;; Delete blank lines at the start of the buffer.
2982 (while (and (point-min)
2985 (message-delete-line))
2986 ;; Delete blank lines at the end of the buffer.
2987 (goto-char (point-max))
2990 (while (and (zerop (forward-line -1))
2992 (message-delete-line))
2993 ;; Do the indentation.
2994 (if (null message-yank-prefix)
2995 (indent-rigidly start (mark t) message-indentation-spaces)
2998 (while (< (point) (mark t))
2999 (if (or (looking-at ">") (looking-at "^$"))
3000 (insert message-yank-cited-prefix)
3001 (insert message-yank-prefix))
3005 (defun message-yank-original (&optional arg)
3006 "Insert the message being replied to, if any.
3007 Puts point before the text and mark after.
3008 Normally indents each nonblank line ARG spaces (default 3). However,
3009 if `message-yank-prefix' is non-nil, insert that prefix on each line.
3011 This function uses `message-cite-function' to do the actual citing.
3013 Just \\[universal-argument] as argument means don't indent, insert no
3014 prefix, and don't delete any headers."
3016 (let ((modified (buffer-modified-p)))
3017 (when (and message-reply-buffer
3018 message-cite-function)
3019 (delete-windows-on message-reply-buffer t)
3020 (insert-buffer message-reply-buffer)
3022 (funcall message-cite-function))
3023 (message-exchange-point-and-mark)
3027 (setq message-checksum (message-checksum))))))
3029 (defun message-yank-buffer (buffer)
3030 "Insert BUFFER into the current buffer and quote it."
3031 (interactive "bYank buffer: ")
3032 (let ((message-reply-buffer buffer))
3033 (save-window-excursion
3034 (message-yank-original))))
3036 (defun message-buffers ()
3037 "Return a list of active message buffers."
3040 (dolist (buffer (buffer-list t))
3042 (when (and (eq major-mode 'message-mode)
3043 (null message-sent-message-via))
3044 (push (buffer-name buffer) buffers))))
3045 (nreverse buffers)))
3047 (defun message-cite-original-without-signature ()
3048 "Cite function in the standard Message manner."
3049 (let ((start (point))
3052 (when message-indent-citation-function
3053 (if (listp message-indent-citation-function)
3054 message-indent-citation-function
3055 (list message-indent-citation-function)))))
3056 (mml-quote-region start end)
3060 (when (re-search-backward message-signature-separator start t)
3061 ;; Also peel off any blank lines before the signature.
3063 (while (looking-at "^[ \t]*$")
3066 (delete-region (point) end)
3067 (unless (search-backward "\n\n" start t)
3068 ;; Insert a blank line if it is peeled off.
3072 (funcall (pop functions)))
3073 (when message-citation-line-function
3076 (funcall message-citation-line-function))))
3078 (eval-when-compile (defvar mail-citation-hook)) ;Compiler directive
3079 (defun message-cite-original ()
3080 "Cite function in the standard Message manner."
3081 (if (and (boundp 'mail-citation-hook)
3083 (run-hooks 'mail-citation-hook)
3084 (let ((start (point))
3087 (when message-indent-citation-function
3088 (if (listp message-indent-citation-function)
3089 message-indent-citation-function
3090 (list message-indent-citation-function)))))
3091 (mml-quote-region start end)
3094 (funcall (pop functions)))
3095 (when message-citation-line-function
3098 (funcall message-citation-line-function)))))
3100 (defun message-insert-citation-line ()
3101 "Insert a simple citation line."
3102 (when message-reply-headers
3103 (insert (mail-header-from message-reply-headers) " writes:\n\n")))
3105 (defun message-position-on-field (header &rest afters)
3106 (let ((case-fold-search t))
3109 (goto-char (point-min))
3112 (concat "^" (regexp-quote mail-header-separator) "$"))
3113 (match-beginning 0)))
3114 (goto-char (point-min))
3115 (if (re-search-forward (concat "^" (regexp-quote header) ":") nil t)
3117 (re-search-forward "^[^ \t]" nil 'move)
3119 (skip-chars-backward "\n")
3122 (not (re-search-forward
3123 (concat "^" (regexp-quote (car afters)) ":")
3127 (re-search-forward "^[^ \t]" nil 'move)
3128 (beginning-of-line))
3129 (insert header ": \n")
3133 (defun message-remove-signature ()
3134 "Remove the signature from the text between point and mark.
3135 The text will also be indented the normal way."
3137 (let ((start (point))
3139 (if (not (re-search-forward message-signature-separator (mark t) t))
3140 ;; No signature here, so we just indent the cited text.
3141 (message-indent-citation)
3142 ;; Find the last non-empty line.
3144 (while (looking-at "[ \t]*$")
3147 (setq mark (set-marker (make-marker) (point)))
3149 (message-indent-citation)
3150 ;; Enable undoing the deletion.
3152 (delete-region mark (mark t))
3153 (set-marker mark nil)))))
3158 ;;; Sending messages
3161 (defun message-send-and-exit (&optional arg)
3162 "Send message like `message-send', then, if no errors, exit from mail buffer."
3164 (let ((buf (current-buffer))
3165 (actions message-exit-actions))
3166 (when (and (message-send arg)
3168 (if message-kill-buffer-on-exit
3171 (when (eq buf (current-buffer))
3172 (message-bury buf)))
3173 (message-do-actions actions)
3176 (defun message-dont-send ()
3177 "Don't send the message you have been editing.
3178 Instead, just auto-save the buffer and then bury it."
3180 (set-buffer-modified-p t)
3182 (let ((actions message-postpone-actions))
3183 (message-bury (current-buffer))
3184 (message-do-actions actions)))
3186 (defun message-kill-buffer ()
3187 "Kill the current buffer."
3189 (when (or (not (buffer-modified-p))
3190 (yes-or-no-p "Message modified; kill anyway? "))
3191 (let ((actions message-kill-actions)
3192 (draft-article message-draft-article)
3193 (auto-save-file-name buffer-auto-save-file-name)
3194 (file-name buffer-file-name)
3195 (modified (buffer-modified-p)))
3196 (setq buffer-file-name nil)
3197 (kill-buffer (current-buffer))
3198 (when (and (or (and auto-save-file-name
3199 (file-exists-p auto-save-file-name))
3201 (file-exists-p file-name)))
3202 (yes-or-no-p (format "Remove the backup file%s? "
3203 (if modified " too" ""))))
3205 (delete-file auto-save-file-name))
3206 (let ((message-draft-article draft-article))
3207 (message-disassociate-draft)))
3208 (message-do-actions actions))))
3210 (defun message-bury (buffer)
3211 "Bury this mail BUFFER."
3212 (let ((newbuf (other-buffer buffer)))
3213 (bury-buffer buffer)
3214 (if (and (fboundp 'frame-parameters)
3215 (cdr (assq 'dedicated (frame-parameters)))
3216 (not (null (delq (selected-frame) (visible-frame-list)))))
3217 (delete-frame (selected-frame))
3218 (switch-to-buffer newbuf))))
3220 (defun message-send (&optional arg)
3221 "Send the message in the current buffer.
3222 If `message-interactive' is non-nil, wait for success indication or
3223 error messages, and inform user.
3224 Otherwise any failure is reported in a message back to the user from
3226 The usage of ARG is defined by the instance that called Message.
3227 It should typically alter the sending method in some way or other."
3229 ;; Make it possible to undo the coming changes.
3231 (let ((inhibit-read-only t))
3232 (put-text-property (point-min) (point-max) 'read-only nil))
3233 (message-fix-before-sending)
3234 (run-hooks 'message-send-hook)
3235 (message message-sending-message)
3236 (let ((alist message-send-method-alist)
3238 elem sent dont-barf-on-no-method
3239 (message-options message-options))
3240 (message-options-set-recipient)
3242 (setq elem (pop alist)))
3243 (when (funcall (cadr elem))
3244 (when (and (or (not (memq (car elem)
3245 message-sent-message-via))
3246 (not (message-fetch-field "supersedes"))
3247 (if (or (message-gnksa-enable-p 'multiple-copies)
3248 (not (eq (car elem) 'news)))
3251 "Already sent message via %s; resend? "
3253 (error "Denied posting -- multiple copies")))
3254 (setq success (funcall (caddr elem) arg)))
3258 (let ((fcc (message-fetch-field "Fcc"))
3259 (gcc (message-fetch-field "Gcc")))
3261 (or (eq message-allow-no-recipients 'always)
3262 (and (not (eq message-allow-no-recipients 'never))
3263 (setq dont-barf-on-no-method
3265 (format "No receiver, perform %s anyway? "
3266 (cond ((and fcc gcc) "Fcc and Gcc")
3269 (error "No methods specified to send by"))
3270 (when (or dont-barf-on-no-method
3274 (run-hooks 'message-sent-hook))
3275 (message "Sending...done")
3276 ;; Mark the buffer as unmodified and delete auto-save.
3277 (set-buffer-modified-p nil)
3278 (delete-auto-save-file-if-necessary t)
3279 (message-disassociate-draft)
3280 ;; Delete other mail buffers and stuff.
3281 (message-do-send-housekeeping)
3282 (message-do-actions message-send-actions)
3286 (defun message-send-via-mail (arg)
3287 "Send the current message via mail."
3288 (message-send-mail arg))
3290 (defun message-send-via-news (arg)
3291 "Send the current message via news."
3292 (funcall message-send-news-function arg))
3294 (defmacro message-check (type &rest forms)
3295 "Eval FORMS if TYPE is to be checked."
3296 `(or (message-check-element ,type)
3300 (put 'message-check 'lisp-indent-function 1)
3301 (put 'message-check 'edebug-form-spec '(form body))
3303 (defun message-text-with-property (prop)
3304 "Return a list of all points where the text has PROP."
3306 (point (point-min)))
3308 (while (< point (point-max))
3309 (when (get-text-property point prop)
3310 (push point points))
3314 (defun message-fix-before-sending ()
3315 "Do various things to make the message nice before sending it."
3316 ;; Make sure there's a newline at the end of the message.
3317 (goto-char (point-max))
3320 ;; Make the hidden headers visible.
3321 (let ((points (message-text-with-property 'message-hidden)))
3323 (goto-char (car points))
3324 (dolist (point points)
3325 (add-text-properties point (1+ point)
3326 '(invisible nil intangible nil)))))
3327 ;; Make invisible text visible.
3328 ;; It doesn't seem as if this is useful, since the invisible property
3329 ;; is clobbered by an after-change hook anyhow.
3330 (message-check 'invisible-text
3331 (let ((points (message-text-with-property 'invisible)))
3333 (goto-char (car points))
3334 (dolist (point points)
3335 (put-text-property point (1+ point) 'invisible nil)
3336 (message-overlay-put (message-make-overlay point (1+ point))
3338 (unless (yes-or-no-p
3339 "Invisible text found and made visible; continue sending? ")
3340 (error "Invisible text found and made visible")))))
3341 (message-check 'illegible-text
3344 (skip-chars-forward mm-7bit-chars)
3346 (when (let ((char (char-after)))
3347 (or (< (mm-char-int char) 128)
3348 (and (mm-multibyte-p)
3349 (> (length (mm-find-mime-charset-region
3350 (point) (point-max)))
3352 (message-overlay-put (message-make-overlay (point) (1+ (point)))
3356 (skip-chars-forward mm-7bit-chars))
3359 (gnus-multiple-choice
3360 "Non-printable characters found. Continue sending?"
3361 '((?d "Remove non-printable characters and send")
3362 (?r "Replace non-printable characters with dots and send")
3363 (?i "Ignore non-printable characters and send")
3364 (?e "Continue editing"))))
3366 (error "Non-printable characters"))
3368 (skip-chars-forward mm-7bit-chars)
3370 (when (let ((char (char-after)))
3371 (or (< (mm-char-int char) 128)
3372 (and (mm-multibyte-p)
3373 ;; Fixme: Wrong for Emacs 22 and for things
3374 ;; like undecable utf-8. Should at least
3375 ;; use find-coding-systems-region.
3376 (memq (char-charset char)
3377 '(eight-bit-control eight-bit-graphic
3380 (message-kill-all-overlays)
3382 (when (eq choice ?r)
3385 (skip-chars-forward mm-7bit-chars))))))
3387 (defun message-add-action (action &rest types)
3388 "Add ACTION to be performed when doing an exit of type TYPES."
3390 (add-to-list (intern (format "message-%s-actions" (pop types)))
3393 (defun message-delete-action (action &rest types)
3394 "Delete ACTION from lists of actions performed when doing an exit of type TYPES."
3397 (set (setq var (intern (format "message-%s-actions" (pop types))))
3398 (delq action (symbol-value var))))))
3400 (defun message-do-actions (actions)
3401 "Perform all actions in ACTIONS."
3402 ;; Now perform actions on successful sending.
3406 ;; A simple function.
3407 ((functionp (car actions))
3408 (funcall (car actions)))
3409 ;; Something to be evaled.
3411 (eval (car actions)))))
3414 (defun message-send-mail-partially ()
3415 "Send mail as message/partial."
3416 ;; replace the header delimiter with a blank line
3417 (goto-char (point-min))
3419 (concat "^" (regexp-quote mail-header-separator) "\n"))
3420 (replace-match "\n")
3421 (run-hooks 'message-send-mail-hook)
3422 (let ((p (goto-char (point-min)))
3423 (tembuf (message-generate-new-buffer-clone-locals " message temp"))
3424 (curbuf (current-buffer))
3425 (id (message-make-message-id)) (n 1)
3426 plist total header required-mail-headers)
3428 (if (< (point-max) (+ p message-send-mail-partially-limit))
3429 (goto-char (point-max))
3430 (goto-char (+ p message-send-mail-partially-limit))
3432 (if (<= (point) p) (forward-line 1))) ;; In case of bad message.
3435 (setq total (length plist))
3436 (push (point-max) plist)
3437 (setq plist (nreverse plist))
3440 (setq p (pop plist))
3443 (copy-to-buffer tembuf p (car plist))
3445 (goto-char (point-min))
3448 (goto-char (point-min))
3449 (narrow-to-region (point) (point))
3452 (setq header (buffer-substring (point-min) (point)))
3453 (goto-char (point-min))
3454 (narrow-to-region (point) (point))
3456 (message-remove-header "Mime-Version")
3457 (message-remove-header "Content-Type")
3458 (message-remove-header "Content-Transfer-Encoding")
3459 (message-remove-header "Message-ID")
3460 (message-remove-header "Lines")
3461 (goto-char (point-max))
3462 (insert "Mime-Version: 1.0\n")
3463 (setq header (buffer-string)))
3464 (goto-char (point-max))
3465 (insert (format "Content-Type: message/partial; id=\"%s\"; number=%d; total=%d\n\n"
3468 (let ((mail-header-separator ""))
3469 (when (memq 'Message-ID message-required-mail-headers)
3470 (insert "Message-ID: " (message-make-message-id) "\n"))
3471 (when (memq 'Lines message-required-mail-headers)
3472 (insert "Lines: " (message-make-lines) "\n"))
3473 (message-goto-subject)
3475 (insert (format " (%d/%d)" n total))
3477 (mm-with-unibyte-current-buffer
3478 (funcall (or message-send-mail-real-function
3479 message-send-mail-function))))
3481 (setq p (pop plist))
3483 (kill-buffer tembuf))))
3485 (defun message-send-mail (&optional arg)
3486 (require 'mail-utils)
3487 (let* ((tembuf (message-generate-new-buffer-clone-locals " message temp"))
3488 (case-fold-search nil)
3489 (news (message-news-p))
3490 (mailbuf (current-buffer))
3491 (message-this-is-mail t)
3492 (message-posting-charset
3493 (if (fboundp 'gnus-setup-posting-charset)
3494 (gnus-setup-posting-charset nil)
3495 message-posting-charset))
3496 (headers message-required-mail-headers))
3498 (message-narrow-to-headers)
3499 ;; Generate the Mail-Followup-To header if the header is not there...
3500 (if (and (message-subscribed-p)
3501 (not (mail-fetch-field "mail-followup-to")))
3504 (cons "Mail-Followup-To" (message-make-mail-followup-to))
3505 message-required-mail-headers))
3506 ;; otherwise, delete the MFT header if the field is empty
3507 (when (equal "" (mail-fetch-field "mail-followup-to"))
3508 (message-remove-header "^Mail-Followup-To:")))
3509 ;; Insert some headers.
3510 (let ((message-deletable-headers
3511 (if news nil message-deletable-headers)))
3512 (message-generate-headers headers))
3513 ;; Let the user do all of the above.
3514 (run-hooks 'message-header-hook))
3519 ;; Avoid copying text props (except hard newlines).
3520 (insert (with-current-buffer mailbuf
3521 (mml-buffer-substring-no-properties-except-hard-newlines
3522 (point-min) (point-max))))
3523 ;; Remove some headers.
3524 (message-encode-message-body)
3526 (message-narrow-to-headers)
3527 ;; We (re)generate the Lines header.
3528 (when (memq 'Lines message-required-mail-headers)
3529 (message-generate-headers '(Lines)))
3530 ;; Remove some headers.
3531 (message-remove-header message-ignored-mail-headers t)
3532 (let ((mail-parse-charset message-default-charset))
3533 (mail-encode-encoded-word-buffer)))
3534 (goto-char (point-max))
3535 ;; require one newline at the end.
3536 (or (= (preceding-char) ?\n)
3538 (message-cleanup-headers)
3539 ;; FIXME: we're inserting the courtesy copy after encoding.
3540 ;; This is wrong if the courtesy copy string contains
3541 ;; non-ASCII characters. -- jh
3544 (message-narrow-to-headers)
3546 (or (message-fetch-field "cc")
3547 (message-fetch-field "bcc")
3548 (message-fetch-field "to"))
3549 (let ((content-type (message-fetch-field
3554 (string= "text/plain"
3556 (mail-header-parse-content-type
3560 (message-fetch-field
3561 "content-transfer-encoding")))))))
3562 (message-insert-courtesy-copy))
3563 (if (or (not message-send-mail-partially-limit)
3564 (< (point-max) message-send-mail-partially-limit)
3565 (not (message-y-or-n-p
3566 "The message size is too large, split? "
3570 (/ (point-max) 1000) "KB, is too large.
3572 Some mail gateways (MTA's) bounce large messages. To avoid the
3573 problem, answer `y', and the message will be split into several
3574 smaller pieces, the size of each is about "
3575 (/ message-send-mail-partially-limit 1000)
3579 However, some mail readers (MUA's) can't read split messages, i.e.,
3580 mails in message/partially format. Answer `n', and the message will be
3583 The size limit is controlled by `message-send-mail-partially-limit'.
3584 If you always want Gnus to send messages in one piece, set
3585 `message-send-mail-partially-limit' to nil.
3587 (mm-with-unibyte-current-buffer
3588 (message "Sending via mail...")
3589 (funcall (or message-send-mail-real-function
3590 message-send-mail-function)))
3591 (message-send-mail-partially)))
3592 (kill-buffer tembuf))
3593 (set-buffer mailbuf)
3594 (push 'mail message-sent-message-via)))
3596 (defun message-send-mail-with-sendmail ()
3597 "Send off the prepared buffer with sendmail."
3598 (let ((errbuf (if message-interactive
3599 (message-generate-new-buffer-clone-locals
3602 resend-to-addresses delimline)
3605 (let ((case-fold-search t))
3607 (message-narrow-to-headers)
3608 (setq resend-to-addresses (message-fetch-field "resent-to")))
3609 ;; Change header-delimiter to be what sendmail expects.
3610 (goto-char (point-min))
3612 (concat "^" (regexp-quote mail-header-separator) "\n"))
3613 (replace-match "\n")
3615 (setq delimline (point-marker))
3616 (run-hooks 'message-send-mail-hook)
3617 ;; Insert an extra newline if we need it to work around
3618 ;; Sun's bug that swallows newlines.
3619 (goto-char (1+ delimline))
3620 (when (eval message-mailer-swallows-blank-line)
3622 (when message-interactive
3626 (let* ((default-directory "/")
3627 (coding-system-for-write message-send-coding-system)
3629 'call-process-region
3631 (list (point-min) (point-max)
3632 (if (boundp 'sendmail-program)
3634 "/usr/lib/sendmail")
3635 nil errbuf nil "-oi")
3636 ;; Always specify who from,
3637 ;; since some systems have broken sendmails.
3638 ;; But some systems are more broken with -f, so
3639 ;; we'll let users override this.
3640 (if (null message-sendmail-f-is-evil)
3641 (list "-f" (message-sendmail-envelope-from)))
3642 ;; These mean "report errors by mail"
3643 ;; and "deliver in background".
3644 (if (null message-interactive) '("-oem" "-odb"))
3645 ;; Get the addresses from the message
3646 ;; unless this is a resend.
3647 ;; We must not do that for a resend
3648 ;; because we would find the original addresses.
3649 ;; For a resend, include the specific addresses.
3650 (if resend-to-addresses
3651 (list resend-to-addresses)
3653 (unless (or (null cpr) (and (numberp cpr) (zerop cpr)))
3654 (error "Sending...failed with exit value %d" cpr)))
3655 (when message-interactive
3658 (goto-char (point-min))
3659 (while (re-search-forward "\n\n* *" nil t)
3660 (replace-match "; "))
3661 (if (not (zerop (buffer-size)))
3662 (error "Sending...failed to %s"
3663 (buffer-string))))))
3664 (when (bufferp errbuf)
3665 (kill-buffer errbuf)))))
3667 (defun message-send-mail-with-qmail ()
3668 "Pass the prepared message buffer to qmail-inject.
3669 Refer to the documentation for the variable `message-send-mail-function'
3670 to find out how to use this."
3671 ;; replace the header delimiter with a blank line
3672 (goto-char (point-min))
3674 (concat "^" (regexp-quote mail-header-separator) "\n"))
3675 (replace-match "\n")
3676 (run-hooks 'message-send-mail-hook)
3679 (let ((coding-system-for-write message-send-coding-system))
3681 'call-process-region 1 (point-max) message-qmail-inject-program
3683 ;; qmail-inject's default behaviour is to look for addresses on the
3684 ;; command line; if there're none, it scans the headers.
3685 ;; yes, it does The Right Thing w.r.t. Resent-To and it's kin.
3687 ;; in general, ALL of qmail-inject's defaults are perfect for simply
3688 ;; reading a formatted (i. e., at least a To: or Resent-To header)
3689 ;; message from stdin.
3691 ;; qmail also has the advantage of not having been raped by
3692 ;; various vendors, so we don't have to allow for that, either --
3693 ;; compare this with message-send-mail-with-sendmail and weep
3694 ;; for sendmail's lost innocence.
3696 ;; all this is way cool coz it lets us keep the arguments entirely
3697 ;; free for -inject-arguments -- a big win for the user and for us
3698 ;; since we don't have to play that double-guessing game and the user
3699 ;; gets full control (no gestapo'ish -f's, for instance). --sj
3700 (if (functionp message-qmail-inject-args)
3701 (funcall message-qmail-inject-args)
3702 message-qmail-inject-args)))
3703 ;; qmail-inject doesn't say anything on it's stdout/stderr,
3704 ;; we have to look at the retval instead
3706 (100 (error "qmail-inject reported permanent failure"))
3707 (111 (error "qmail-inject reported transient failure"))
3708 ;; should never happen
3709 (t (error "qmail-inject reported unknown failure"))))
3711 (defun message-send-mail-with-mh ()
3712 "Send the prepared message buffer with mh."
3713 (let ((mh-previous-window-config nil)
3714 (name (mh-new-draft-name)))
3715 (setq buffer-file-name name)
3716 ;; MH wants to generate these headers itself.
3717 (when message-mh-deletable-headers
3718 (let ((headers message-mh-deletable-headers))
3720 (goto-char (point-min))
3721 (and (re-search-forward
3722 (concat "^" (symbol-name (car headers)) ": *") nil t)
3723 (message-delete-line))
3725 (run-hooks 'message-send-mail-hook)
3726 ;; Pass it on to mh.
3729 (defun message-smtpmail-send-it ()
3730 "Send the prepared message buffer with `smtpmail-send-it'.
3731 This only differs from `smtpmail-send-it' that this command evaluates
3732 `message-send-mail-hook' just before sending a message. It is useful
3733 if your ISP requires the POP-before-SMTP authentication. See the
3734 documentation for the function `mail-source-touch-pop'."
3735 (run-hooks 'message-send-mail-hook)
3738 (defun message-canlock-generate ()
3739 "Return a string that is non-trivial to guess.
3740 Do not use this for anything important, it is cryptographically weak."
3741 (let (sha1-maximum-internal-length)
3742 (sha1 (concat (message-unique-id)
3743 (format "%x%x%x" (random) (random t) (random))
3744 (prin1-to-string (recent-keys))
3745 (prin1-to-string (garbage-collect))))))
3747 (defun message-canlock-password ()
3748 "The password used by message for cancel locks.
3749 This is the value of `canlock-password', if that option is non-nil.
3750 Otherwise, generate and save a value for `canlock-password' first."
3751 (unless canlock-password
3752 (customize-save-variable 'canlock-password (message-canlock-generate))
3753 (setq canlock-password-for-verify canlock-password))
3756 (defun message-insert-canlock ()
3757 (when message-insert-canlock
3758 (message-canlock-password)
3759 (canlock-insert-header)))
3761 (defun message-send-news (&optional arg)
3762 (let* ((tembuf (message-generate-new-buffer-clone-locals " *message temp*"))
3763 (case-fold-search nil)
3764 (method (if (functionp message-post-method)
3765 (funcall message-post-method arg)
3766 message-post-method))
3767 (newsgroups-field (save-restriction
3768 (message-narrow-to-headers-or-head)
3769 (message-fetch-field "Newsgroups")))
3770 (followup-field (save-restriction
3771 (message-narrow-to-headers-or-head)
3772 (message-fetch-field "Followup-To")))
3773 ;; BUG: We really need to get the charset for each name in the
3774 ;; Newsgroups and Followup-To lines to allow crossposting
3775 ;; between group namess with incompatible character sets.
3776 ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2001-10-08.
3777 (group-field-charset
3778 (gnus-group-name-charset method newsgroups-field))
3779 (followup-field-charset
3780 (gnus-group-name-charset method (or followup-field "")))
3781 (rfc2047-header-encoding-alist
3782 (append (when group-field-charset
3783 (list (cons "Newsgroups" group-field-charset)))
3784 (when followup-field-charset
3785 (list (cons "Followup-To" followup-field-charset)))
3786 rfc2047-header-encoding-alist))
3787 (messbuf (current-buffer))
3788 (message-syntax-checks
3790 (listp message-syntax-checks))
3791 (cons '(existing-newsgroups . disabled)
3792 message-syntax-checks)
3793 message-syntax-checks))
3794 (message-this-is-news t)
3795 (message-posting-charset
3796 (gnus-setup-posting-charset newsgroups-field))
3798 (if (not (message-check-news-body-syntax))
3801 (message-narrow-to-headers)
3802 ;; Insert some headers.
3803 (message-generate-headers message-required-news-headers)
3804 (message-insert-canlock)
3805 ;; Let the user do all of the above.
3806 (run-hooks 'message-header-hook))
3807 ;; Note: This check will be disabled by the ".*" default value for
3808 ;; gnus-group-name-charset-group-alist. -- Pa 2001-10-07.
3809 (when (and group-field-charset
3810 (listp message-syntax-checks))
3811 (setq message-syntax-checks
3812 (cons '(valid-newsgroups . disabled)
3813 message-syntax-checks)))
3814 (message-cleanup-headers)
3815 (if (not (let ((message-post-method method))
3816 (message-check-news-syntax)))
3821 (buffer-disable-undo)
3823 ;; Avoid copying text props (except hard newlines).
3825 (with-current-buffer messbuf
3826 (mml-buffer-substring-no-properties-except-hard-newlines
3827 (point-min) (point-max))))
3828 (message-encode-message-body)
3829 ;; Remove some headers.
3831 (message-narrow-to-headers)
3832 ;; We (re)generate the Lines header.
3833 (when (memq 'Lines message-required-mail-headers)
3834 (message-generate-headers '(Lines)))
3835 ;; Remove some headers.
3836 (message-remove-header message-ignored-news-headers t)
3837 (let ((mail-parse-charset message-default-charset))
3838 (mail-encode-encoded-word-buffer)))
3839 (goto-char (point-max))
3840 ;; require one newline at the end.
3841 (or (= (preceding-char) ?\n)
3843 (let ((case-fold-search t))
3844 ;; Remove the delimiter.
3845 (goto-char (point-min))
3847 (concat "^" (regexp-quote mail-header-separator) "\n"))
3848 (replace-match "\n")
3850 (run-hooks 'message-send-news-hook)
3851 (gnus-open-server method)
3852 (message "Sending news via %s..." (gnus-server-string method))
3853 (setq result (let ((mail-header-separator ""))
3854 (gnus-request-post method))))
3855 (kill-buffer tembuf))
3856 (set-buffer messbuf)
3858 (push 'news message-sent-message-via)
3859 (message "Couldn't send message via news: %s"
3860 (nnheader-get-report (car method)))
3864 ;;; Header generation & syntax checking.
3867 (defun message-check-element (type)
3868 "Return non-nil if this TYPE is not to be checked."
3869 (if (eq message-syntax-checks 'dont-check-for-anything-just-trust-me)
3871 (let ((able (assq type message-syntax-checks)))
3873 (eq (cdr able) 'disabled)))))
3875 (defun message-check-news-syntax ()
3876 "Check the syntax of the message."
3880 ;; We narrow to the headers and check them first.
3883 (message-narrow-to-headers)
3884 (message-check-news-header-syntax))))))
3886 (defun message-check-news-header-syntax ()
3888 ;; Check Newsgroups header.
3889 (message-check 'newsgroups
3890 (let ((group (message-fetch-field "newsgroups")))
3893 (not (string-match "\\`[ \t]*\\'" group)))
3896 "The newsgroups field is empty or missing. Posting is denied.")))))
3897 ;; Check the Subject header.
3898 (message-check 'subject
3899 (let* ((case-fold-search t)
3900 (subject (message-fetch-field "subject")))
3903 (not (string-match "\\`[ \t]*\\'" subject)))
3906 "The subject field is empty or missing. Posting is denied.")))))
3907 ;; Check for commands in Subject.
3908 (message-check 'subject-cmsg
3909 (if (string-match "^cmsg " (message-fetch-field "subject"))
3911 "The control code \"cmsg\" is in the subject. Really post? ")
3913 ;; Check long header lines.
3914 (message-check 'long-header-lines
3915 (let ((start (point))
3919 (while (and (not found)
3920 (re-search-forward "^\\([^ \t:]+\\): " nil t))
3921 (if (> (- (point) (match-beginning 0)) 998)
3923 length (- (point) (match-beginning 0)))
3924 (setq header (match-string-no-properties 1)))
3925 (setq start (match-beginning 0))
3928 (y-or-n-p (format "Your %s header is too long (%d). Really post? "
3931 ;; Check for multiple identical headers.
3932 (message-check 'multiple-headers
3934 (while (and (not found)
3935 (re-search-forward "^[^ \t:]+: " nil t))
3937 (or (re-search-forward
3942 (match-beginning 0) (- (match-end 0) 2))))
3947 (y-or-n-p (format "Multiple %s headers. Really post? " found))
3949 ;; Check for Version and Sendsys.
3950 (message-check 'sendsys
3951 (if (re-search-forward "^Sendsys:\\|^Version:" nil t)
3953 (format "The article contains a %s command. Really post? "
3954 (buffer-substring (match-beginning 0)
3955 (1- (match-end 0)))))
3957 ;; See whether we can shorten Followup-To.
3958 (message-check 'shorten-followup-to
3959 (let ((newsgroups (message-fetch-field "newsgroups"))
3960 (followup-to (message-fetch-field "followup-to"))
3962 (when (and newsgroups
3963 (string-match "," newsgroups)
3968 (setq to (completing-read
3969 "Followups to (default: no Followup-To header) "
3972 (message-tokenize-header
3974 (goto-char (point-min))
3975 (insert "Followup-To: " to "\n"))
3977 ;; Check "Shoot me".
3978 (message-check 'shoot
3979 (if (re-search-forward
3980 "Message-ID.*.i-did-not-set--mail-host-address--so-tickle-me" nil t)
3981 (y-or-n-p "You appear to have a misconfigured system. Really post? ")
3983 ;; Check for Approved.
3984 (message-check 'approved
3985 (if (re-search-forward "^Approved:" nil t)
3986 (y-or-n-p "The article contains an Approved header. Really post? ")
3988 ;; Check the Message-ID header.
3989 (message-check 'message-id
3990 (let* ((case-fold-search t)
3991 (message-id (message-fetch-field "message-id" t)))
3992 (or (not message-id)
3993 ;; Is there an @ in the ID?
3994 (and (string-match "@" message-id)
3995 ;; Is there a dot in the ID?
3996 (string-match "@[^.]*\\." message-id)
3997 ;; Does the ID end with a dot?
3998 (not (string-match "\\.>" message-id)))
4000 (format "The Message-ID looks strange: \"%s\". Really post? "
4002 ;; Check the Newsgroups & Followup-To headers.
4003 (message-check 'existing-newsgroups
4004 (let* ((case-fold-search t)
4005 (newsgroups (message-fetch-field "newsgroups"))
4006 (followup-to (message-fetch-field "followup-to"))
4007 (groups (message-tokenize-header
4009 (concat newsgroups "," followup-to)
4011 (post-method (if (functionp message-post-method)
4012 (funcall message-post-method)
4013 message-post-method))
4014 ;; KLUDGE to handle nnvirtual groups. Doing this right
4015 ;; would probably involve a new nnoo function.
4016 ;; -- Per Abrahamsen <abraham@dina.kvl.dk>, 2001-10-17.
4017 (method (if (and (consp post-method)
4018 (eq (car post-method) 'nnvirtual)
4019 gnus-message-group-art)
4020 (let ((group (car (nnvirtual-find-group-art
4021 (car gnus-message-group-art)
4022 (cdr gnus-message-group-art)))))
4023 (gnus-find-method-for-group group))
4027 (gnus-group-name-decode
4028 (gnus-group-real-name n)
4029 (gnus-group-name-charset method n)))
4030 (gnus-groups-from-server method)))
4033 (when (and (not (equal (car groups) "poster"))
4034 (not (member (car groups) known-groups))
4035 (not (member (car groups) errors)))
4036 (push (car groups) errors))
4039 ;; Gnus is not running.
4040 ((or (not (and (boundp 'gnus-active-hashtb)
4041 gnus-active-hashtb))
4042 (not (boundp 'gnus-read-active-file)))
4044 ;; We don't have all the group names.
4045 ((and (or (not gnus-read-active-file)
4046 (eq gnus-read-active-file 'some))
4050 "Really use %s possibly unknown group%s: %s? "
4051 (if (= (length errors) 1) "this" "these")
4052 (if (= (length errors) 1) "" "s")
4053 (mapconcat 'identity errors ", "))))
4054 ;; There were no errors.
4057 ;; There are unknown groups.
4061 "Really post to %s unknown group%s: %s? "
4062 (if (= (length errors) 1) "this" "these")
4063 (if (= (length errors) 1) "" "s")
4064 (mapconcat 'identity errors ", ")))))))
4065 ;; Check continuation headers.
4066 (message-check 'continuation-headers
4067 (goto-char (point-min))
4068 (let ((do-posting t))
4069 (while (re-search-forward "^[^ \t\n][^:\n]*$" nil t)
4070 (if (y-or-n-p "Fix continuation lines? ")
4072 (goto-char (match-beginning 0))
4074 (unless (y-or-n-p "Send anyway? ")
4075 (setq do-posting nil))))
4077 ;; Check the Newsgroups & Followup-To headers for syntax errors.
4078 (message-check 'valid-newsgroups
4079 (let ((case-fold-search t)
4080 (headers '("Newsgroups" "Followup-To"))
4082 (while (and headers (not error))
4083 (when (setq header (mail-fetch-field (car headers)))
4087 "\\`\\([-+_&.a-zA-Z0-9]+\\)?\\(,[-+_&.a-zA-Z0-9]+\\)*\\'"
4092 (not (string-match "\\.\\'\\|\\.\\." g)))
4093 (message-tokenize-header header ","))))
4100 (format "The %s header looks odd: \"%s\". Really post? "
4101 (car headers) header)))))
4102 (message-check 'repeated-newsgroups
4103 (let ((case-fold-search t)
4104 (headers '("Newsgroups" "Followup-To"))
4105 header error groups group)
4108 (when (setq header (mail-fetch-field (pop headers)))
4109 (setq groups (message-tokenize-header header ","))
4110 (while (setq group (pop groups))
4111 (when (member group groups)
4117 (format "Group %s is repeated in headers. Really post? " error)))))
4118 ;; Check the From header.
4119 (message-check 'from
4120 (let* ((case-fold-search t)
4121 (from (message-fetch-field "from"))
4125 (message "There is no From line. Posting is denied.")
4127 ((or (not (string-match
4129 (setq ad (nth 1 (mail-extract-address-components
4130 from))))) ;larsi@ifi
4131 (string-match "\\.\\." ad) ;larsi@ifi..uio
4132 (string-match "@\\." ad) ;larsi@.ifi.uio
4133 (string-match "\\.$" ad) ;larsi@ifi.uio.
4134 (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
4135 (string-match "(.*).*(.*)" from)) ;(lars) (lars)
4137 "Denied posting -- the From looks strange: \"%s\"." from)
4139 ((let ((addresses (rfc822-addresses from)))
4140 (while (and addresses
4141 (not (eq (string-to-char (car addresses)) ?\()))
4142 (setq addresses (cdr addresses)))
4145 "Denied posting -- bad From address: \"%s\"." from)
4148 ;; Check the Reply-To header.
4149 (message-check 'reply-to
4150 (let* ((case-fold-search t)
4151 (reply-to (message-fetch-field "reply-to"))
4156 ((string-match "," reply-to)
4158 (format "Multiple Reply-To addresses: \"%s\". Really post? "
4160 ((or (not (string-match
4162 (setq ad (nth 1 (mail-extract-address-components
4163 reply-to))))) ;larsi@ifi
4164 (string-match "\\.\\." ad) ;larsi@ifi..uio
4165 (string-match "@\\." ad) ;larsi@.ifi.uio
4166 (string-match "\\.$" ad) ;larsi@ifi.uio.
4167 (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
4168 (string-match "(.*).*(.*)" reply-to)) ;(lars) (lars)
4171 "The Reply-To looks strange: \"%s\". Really post? "
4175 (defun message-check-news-body-syntax ()
4177 ;; Check for long lines.
4178 (message-check 'long-lines
4179 (goto-char (point-min))
4181 (concat "^" (regexp-quote mail-header-separator) "$"))
4185 "<#\\(/\\)?\\(multipart\\|part\\|external\\|mml\\)")
4188 (< (- (point) p) 80)))
4189 (zerop (forward-line 1))))
4193 "You have lines longer than 79 characters. Really post? ")))
4194 ;; Check whether the article is empty.
4195 (message-check 'empty
4196 (goto-char (point-min))
4198 (concat "^" (regexp-quote mail-header-separator) "$"))
4201 (goto-char (point-max))
4202 (re-search-backward message-signature-separator nil t)
4204 (or (re-search-backward "[^ \n\t]" b t)
4205 (if (message-gnksa-enable-p 'empty-article)
4206 (y-or-n-p "Empty article. Really post? ")
4207 (message "Denied posting -- Empty article.")
4209 ;; Check for control characters.
4210 (message-check 'control-chars
4211 (if (re-search-forward "[\000-\007\013\015-\032\034-\037\200-\237]" nil t)
4213 "The article contains control characters. Really post? ")
4215 ;; Check excessive size.
4216 (message-check 'size
4217 (if (> (buffer-size) 60000)
4219 (format "The article is %d octets long. Really post? "
4222 ;; Check whether any new text has been added.
4223 (message-check 'new-text
4225 (not message-checksum)
4226 (not (eq (message-checksum) message-checksum))
4227 (if (message-gnksa-enable-p 'quoted-text-only)
4229 "It looks like no new text has been added. Really post? ")
4230 (message "Denied posting -- no new text has been added.")
4232 ;; Check the length of the signature.
4233 (message-check 'signature
4234 (goto-char (point-max))
4235 (if (> (count-lines (point) (point-max)) 5)
4238 "Your .sig is %d lines; it should be max 4. Really post? "
4239 (1- (count-lines (point) (point-max)))))
4241 ;; Ensure that text follows last quoted portion.
4242 (message-check 'quoting-style
4243 (goto-char (point-max))
4244 (let ((no-problem t))
4245 (when (search-backward-regexp "^>[^\n]*\n" nil t)
4246 (setq no-problem (search-forward-regexp "^[ \t]*[^>\n]" nil t)))
4249 (if (message-gnksa-enable-p 'quoted-text-only)
4250 (y-or-n-p "Your text should follow quoted text. Really post? ")
4252 (goto-char (point-min))
4254 (concat "^" (regexp-quote mail-header-separator) "$"))
4255 (if (search-forward-regexp "^[ \t]*[^>\n]" nil t)
4256 (y-or-n-p "Your text should follow quoted text. Really post? ")
4257 (message "Denied posting -- only quoted text.")
4260 (defun message-checksum ()
4261 "Return a \"checksum\" for the current buffer."
4264 (goto-char (point-min))
4266 (concat "^" (regexp-quote mail-header-separator) "$"))
4268 (when (not (looking-at "[ \t\n]"))
4269 (setq sum (logxor (ash sum 1) (if (natnump sum) 0 1)
4274 (defun message-do-fcc ()
4275 "Process Fcc headers in the current buffer."
4276 (let ((case-fold-search t)
4277 (buf (current-buffer))
4279 (mml-externalize-attachments message-fcc-externalize-attachments))
4282 (message-narrow-to-headers)
4283 (setq file (message-fetch-field "fcc" t)))
4285 (set-buffer (get-buffer-create " *message temp*"))
4287 (insert-buffer-substring buf)
4288 (message-encode-message-body)
4290 (message-narrow-to-headers)
4291 (while (setq file (message-fetch-field "fcc" t))
4293 (message-remove-header "fcc" nil t))
4294 (let ((mail-parse-charset message-default-charset)
4295 (rfc2047-header-encoding-alist
4296 (cons '("Newsgroups" . default)
4297 rfc2047-header-encoding-alist)))
4298 (mail-encode-encoded-word-buffer)))
4299 (goto-char (point-min))
4300 (when (re-search-forward
4301 (concat "^" (regexp-quote mail-header-separator) "$")
4303 (replace-match "" t t ))
4304 ;; Process FCC operations.
4306 (setq file (pop list))
4307 (if (string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" file)
4308 ;; Pipe the article to the program in question.
4309 (call-process-region (point-min) (point-max) shell-file-name
4310 nil nil nil shell-command-switch
4311 (match-string 1 file))
4312 ;; Save the article.
4313 (setq file (expand-file-name file))
4314 (unless (file-exists-p (file-name-directory file))
4315 (make-directory (file-name-directory file) t))
4316 (if (and message-fcc-handler-function
4317 (not (eq message-fcc-handler-function 'rmail-output)))
4318 (funcall message-fcc-handler-function file)
4319 (if (and (file-readable-p file) (mail-file-babyl-p file))
4320 (rmail-output file 1 nil t)
4321 (let ((mail-use-rfc822 t))
4322 (rmail-output file 1 t t))))))
4323 (kill-buffer (current-buffer))))))
4325 (defun message-output (filename)
4326 "Append this article to Unix/babyl mail file FILENAME."
4327 (if (and (file-readable-p filename)
4328 (mail-file-babyl-p filename))
4329 (gnus-output-to-rmail filename t)
4330 (gnus-output-to-mail filename t)))
4332 (defun message-cleanup-headers ()
4333 "Do various automatic cleanups of the headers."
4334 ;; Remove empty lines in the header.
4336 (message-narrow-to-headers)
4337 ;; Remove blank lines.
4338 (while (re-search-forward "^[ \t]*\n" nil t)
4339 (replace-match "" t t))
4341 ;; Correct Newsgroups and Followup-To headers: Change sequence of
4342 ;; spaces to comma and eliminate spaces around commas. Eliminate
4343 ;; embedded line breaks.
4344 (goto-char (point-min))
4345 (while (re-search-forward "^\\(Newsgroups\\|Followup-To\\): +" nil t)
4349 (if (re-search-forward "^[^ \t]" nil t)
4353 (goto-char (point-min))
4354 (while (re-search-forward "\n[ \t]+" nil t)
4355 (replace-match " " t t)) ;No line breaks (too confusing)
4356 (goto-char (point-min))
4357 (while (re-search-forward "[ \t\n]*,[ \t\n]*\\|[ \t]+" nil t)
4358 (replace-match "," t t))
4359 (goto-char (point-min))
4360 ;; Remove trailing commas.
4361 (when (re-search-forward ",+$" nil t)
4362 (replace-match "" t t))))))
4364 (defun message-make-date (&optional now)
4365 "Make a valid data header.
4366 If NOW, use that time instead."
4367 (let* ((now (or now (current-time)))
4368 (zone (nth 8 (decode-time now)))
4372 (setq zone (- zone)))
4374 ;; The day name of the %a spec is locale-specific. Pfff.
4375 (format "%s, " (capitalize (car (rassoc (nth 6 (decode-time now))
4376 parse-time-weekdays))))
4377 (format-time-string "%d" now)
4378 ;; The month name of the %b spec is locale-specific. Pfff.
4380 (capitalize (car (rassoc (nth 4 (decode-time now))
4381 parse-time-months))))
4382 (format-time-string "%Y %H:%M:%S " now)
4383 ;; We do all of this because XEmacs doesn't have the %z spec.
4384 (format "%s%02d%02d" sign (/ zone 3600) (/ (% zone 3600) 60)))))
4386 (defun message-make-message-id ()
4387 "Make a unique Message-ID."
4388 (concat "<" (message-unique-id)
4389 (let ((psubject (save-excursion (message-fetch-field "subject")))
4391 (save-excursion (message-fetch-field "supersedes"))))
4393 (and message-reply-headers
4394 (mail-header-references message-reply-headers)
4395 (mail-header-subject message-reply-headers)
4398 (message-strip-subject-re
4399 (mail-header-subject message-reply-headers))
4400 (message-strip-subject-re psubject))))
4402 (string-match "_-_@" psupersedes)))
4404 "@" (message-make-fqdn) ">"))
4406 (defvar message-unique-id-char nil)
4408 ;; If you ever change this function, make sure the new version
4409 ;; cannot generate IDs that the old version could.
4410 ;; You might for example insert a "." somewhere (not next to another dot
4411 ;; or string boundary), or modify the "fsf" string.
4412 (defun message-unique-id ()
4413 ;; Don't use microseconds from (current-time), they may be unsupported.
4414 ;; Instead we use this randomly inited counter.
4415 (setq message-unique-id-char
4416 (% (1+ (or message-unique-id-char (logand (random t) (1- (lsh 1 20)))))
4417 ;; (current-time) returns 16-bit ints,
4418 ;; and 2^16*25 just fits into 4 digits i base 36.
4420 (let ((tm (current-time)))
4422 (if (memq system-type '(ms-dos emx vax-vms))
4423 (let ((user (downcase (user-login-name))))
4424 (while (string-match "[^a-z0-9_]" user)
4425 (aset user (match-beginning 0) ?_))
4427 (message-number-base36 (user-uid) -1))
4428 (message-number-base36 (+ (car tm)
4429 (lsh (% message-unique-id-char 25) 16)) 4)
4430 (message-number-base36 (+ (nth 1 tm)
4431 (lsh (/ message-unique-id-char 25) 16)) 4)
4432 ;; Append a given name, because while the generated ID is unique
4433 ;; to this newsreader, other newsreaders might otherwise generate
4434 ;; the same ID via another algorithm.
4437 (defun message-number-base36 (num len)
4442 (concat (message-number-base36 (/ num 36) (1- len))
4443 (char-to-string (aref "zyxwvutsrqponmlkjihgfedcba9876543210"
4446 (defun message-make-organization ()
4447 "Make an Organization header."
4448 (let* ((organization
4449 (when message-user-organization
4450 (if (functionp message-user-organization)
4451 (funcall message-user-organization)
4452 message-user-organization))))
4454 (mm-enable-multibyte)
4455 (cond ((stringp organization)
4456 (insert organization))
4457 ((and (eq t organization)
4458 message-user-organization-file
4459 (file-exists-p message-user-organization-file))
4460 (insert-file-contents message-user-organization-file)))
4461 (goto-char (point-min))
4462 (while (re-search-forward "[\t\n]+" nil t)
4463 (replace-match "" t t))
4464 (unless (zerop (buffer-size))
4467 (defun message-make-lines ()
4468 "Count the number of lines and return numeric string."
4473 (int-to-string (count-lines (point) (point-max))))))
4475 (defun message-make-references ()
4476 "Return the References header for this message."
4477 (when message-reply-headers
4478 (let ((message-id (mail-header-message-id message-reply-headers))
4479 (references (mail-header-references message-reply-headers))
4481 (if (or references message-id)
4482 (concat (or references "") (and references " ")
4486 (defun message-make-in-reply-to ()
4487 "Return the In-Reply-To header for this message."
4488 (when message-reply-headers
4489 (let ((from (mail-header-from message-reply-headers))
4490 (date (mail-header-date message-reply-headers))
4491 (msg-id (mail-header-message-id message-reply-headers)))
4493 (let ((name (mail-extract-address-components from)))
4494 (concat msg-id (if msg-id " (")
4498 (if (or (not date) (string= date ""))
4499 "(unknown date)" date)
4500 "\"" (if msg-id ")")))))))
4502 (defun message-make-distribution ()
4503 "Make a Distribution header."
4504 (let ((orig-distribution (message-fetch-reply-field "distribution")))
4505 (cond ((functionp message-distribution-function)
4506 (funcall message-distribution-function))
4507 (t orig-distribution))))
4509 (defun message-make-expires ()
4510 "Return an Expires header based on `message-expires'."
4511 (let ((current (current-time))
4512 (future (* 1.0 message-expires 60 60 24)))
4513 ;; Add the future to current.
4514 (setcar current (+ (car current) (round (/ future (expt 2 16)))))
4515 (setcar (cdr current) (+ (nth 1 current) (% (round future) (expt 2 16))))
4516 (message-make-date current)))
4518 (defun message-make-path ()
4520 (let ((login-name (user-login-name)))
4521 (cond ((null message-user-path)
4522 (concat (system-name) "!" login-name))
4523 ((stringp message-user-path)
4524 ;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com.
4525 (concat message-user-path "!" login-name))
4528 (defun message-make-from ()
4529 "Make a From header."
4530 (let* ((style message-from-style)
4531 (login (message-make-address))
4533 (or (and (boundp 'user-full-name)
4536 (when (string= fullname "&")
4537 (setq fullname (user-login-name)))
4539 (mm-enable-multibyte)
4542 (equal fullname ""))
4544 ((or (eq style 'angles)
4545 (and (not (eq style 'parens))
4546 ;; Use angles if no quoting is needed, or if parens would
4547 ;; need quoting too.
4548 (or (not (string-match "[^- !#-'*+/-9=?A-Z^-~]" fullname))
4549 (let ((tmp (concat fullname nil)))
4550 (while (string-match "([^()]*)" tmp)
4551 (aset tmp (match-beginning 0) ?-)
4552 (aset tmp (1- (match-end 0)) ?-))
4553 (string-match "[\\()]" tmp)))))
4555 (goto-char (point-min))
4556 ;; Look for a character that cannot appear unquoted
4557 ;; according to RFC 822.
4558 (when (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" nil 1)
4559 ;; Quote fullname, escaping specials.
4560 (goto-char (point-min))
4562 (while (re-search-forward "[\"\\]" nil 1)
4563 (replace-match "\\\\\\&" t))
4565 (insert " <" login ">"))
4566 (t ; 'parens or default
4568 (let ((fullname-start (point)))
4570 (goto-char fullname-start)
4571 ;; RFC 822 says \ and nonmatching parentheses
4572 ;; must be escaped in comments.
4573 ;; Escape every instance of ()\ ...
4574 (while (re-search-forward "[()\\]" nil 1)
4575 (replace-match "\\\\\\&" t))
4576 ;; ... then undo escaping of matching parentheses,
4577 ;; including matching nested parentheses.
4578 (goto-char fullname-start)
4579 (while (re-search-forward
4580 "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
4582 (replace-match "\\1(\\3)" t)
4583 (goto-char fullname-start)))
4587 (defun message-make-sender ()
4588 "Return the \"real\" user address.
4589 This function tries to ignore all user modifications, and
4590 give as trustworthy answer as possible."
4591 (concat (user-login-name) "@" (system-name)))
4593 (defun message-make-address ()
4594 "Make the address of the user."
4595 (or (message-user-mail-address)
4596 (concat (user-login-name) "@" (message-make-domain))))
4598 (defun message-user-mail-address ()
4599 "Return the pertinent part of `user-mail-address'."
4600 (when (and user-mail-address
4601 (string-match "@.*\\." user-mail-address))
4602 (if (string-match " " user-mail-address)
4603 (nth 1 (mail-extract-address-components user-mail-address))
4604 user-mail-address)))
4606 (defun message-sendmail-envelope-from ()
4607 "Return the envelope from."
4608 (cond ((eq message-sendmail-envelope-from 'header)
4609 (nth 1 (mail-extract-address-components
4610 (message-fetch-field "from"))))
4611 ((stringp message-sendmail-envelope-from)
4612 message-sendmail-envelope-from)
4614 (message-make-address))))
4616 (defun message-make-fqdn ()
4617 "Return user's fully qualified domain name."
4618 (let* ((system-name (system-name))
4619 (user-mail (message-user-mail-address))
4622 (string-match "@\\(.*\\)\\'" user-mail))
4623 (match-string 1 user-mail))))
4625 ((and message-user-fqdn
4626 (stringp message-user-fqdn)
4627 (string-match message-valid-fqdn-regexp message-user-fqdn)
4628 (not (string-match message-bogus-system-names message-user-fqdn)))
4630 ;; `message-user-fqdn' seems to be valid
4631 ((and (string-match message-valid-fqdn-regexp system-name)
4632 (not (string-match message-bogus-system-names system-name)))
4633 ;; `system-name' returned the right result.
4635 ;; Try `mail-host-address'.
4636 ((and (boundp 'mail-host-address)
4637 (stringp mail-host-address)
4638 (string-match message-valid-fqdn-regexp mail-host-address)
4639 (not (string-match message-bogus-system-names mail-host-address)))
4641 ;; We try `user-mail-address' as a backup.
4643 (stringp user-domain)
4644 (string-match message-valid-fqdn-regexp user-domain)
4645 (not (string-match message-bogus-system-names user-domain)))
4647 ;; Default to this bogus thing.
4650 ".i-did-not-set--mail-host-address--so-tickle-me")))))
4652 (defun message-make-host-name ()
4653 "Return the name of the host."
4654 (let ((fqdn (message-make-fqdn)))
4655 (string-match "^[^.]+\\." fqdn)
4656 (substring fqdn 0 (1- (match-end 0)))))
4658 (defun message-make-domain ()
4659 "Return the domain name."
4660 (or mail-host-address
4661 (message-make-fqdn)))
4663 (defun message-to-list-only ()
4664 "Send a message to the list only.
4665 Remove all addresses but the list address from To and Cc headers."
4667 (let ((listaddr (message-make-mail-followup-to t)))
4670 (message-remove-header "to")
4671 (message-remove-header "cc")
4672 (message-position-on-field "To" "X-Draft-From")
4673 (insert listaddr)))))
4675 (defun message-make-mail-followup-to (&optional only-show-subscribed)
4676 "Return the Mail-Followup-To header.
4677 If passed the optional argument ONLY-SHOW-SUBSCRIBED only return the
4678 subscribed address (and not the additional To and Cc header contents)."
4679 (let* ((case-fold-search t)
4680 (to (message-fetch-field "To"))
4681 (cc (message-fetch-field "cc"))
4682 (msg-recipients (concat to (and to cc ", ") cc))
4684 (mapcar 'mail-strip-quoted-names
4685 (message-tokenize-header msg-recipients)))
4687 (if message-subscribed-address-file
4688 (let (begin end item re)
4691 (insert-file-contents message-subscribed-address-file)
4693 (setq begin (point))
4696 (if (bolp) (setq end (1- end)))
4697 (setq item (regexp-quote (buffer-substring begin end)))
4698 (if re (setq re (concat re "\\|" item))
4699 (setq re (concat "\\`\\(" item))))
4700 (and re (list (concat re "\\)\\'"))))))))
4701 (mft-regexps (apply 'append message-subscribed-regexps
4702 (mapcar 'regexp-quote
4703 message-subscribed-addresses)
4706 message-subscribed-address-functions))))
4708 (let ((subscribed-lists nil)
4710 (loop for recipient in recipients
4711 when (loop for regexp in mft-regexps
4712 when (string-match regexp recipient) return t)
4715 (if only-show-subscribed
4717 msg-recipients))))))
4719 (defun message-idna-inside-rhs-p ()
4720 "Return t iff point is inside a RHS (heuristically).
4721 Only works properly if header contains mailbox-list or address-list.
4722 I.e., calling it on a Subject: header is useless."
4724 (narrow-to-region (save-excursion (or (re-search-backward "^[^ \t]" nil t)
4726 (save-excursion (or (re-search-forward "^[^ \t]" nil t)
4728 (if (re-search-backward "[\\\n\r\t ]"
4729 (save-excursion (search-backward "@" nil t)) t)
4730 ;; whitespace between @ and point
4732 (let ((dquote 1) (paren 1))
4733 (while (save-excursion (re-search-backward "[^\\]\"" nil t dquote))
4735 (while (save-excursion (re-search-backward "[^\\]\(" nil t paren))
4737 (and (= (% dquote 2) 1) (= (% paren 2) 1))))))
4739 (autoload 'idna-to-ascii "idna")
4741 (defun message-idna-to-ascii-rhs-1 (header)
4742 "Interactively potentially IDNA encode domain names in HEADER."
4743 (let (rhs ace start startpos endpos ovl)
4744 (goto-char (point-min))
4745 (while (re-search-forward (concat "^" header) nil t)
4746 (while (re-search-forward "@\\([^ \t\r\n>]+\\)"
4748 (re-search-forward "^[^ \t]" nil t))
4751 (setq rhs (match-string-no-properties 1)
4752 startpos (match-beginning 1)
4753 endpos (match-end 1))
4754 (when (save-match-data
4755 (and (message-idna-inside-rhs-p)
4756 (setq ace (idna-to-ascii rhs))
4757 (not (string= rhs ace))
4758 (if (eq message-use-idna 'ask)
4761 (setq ovl (message-make-overlay startpos
4763 (message-overlay-put ovl 'face 'highlight)
4765 (format "Replace with `%s'? " ace)))
4767 (message-delete-overlay ovl))
4769 (replace-match (concat "@" ace)))))))
4771 (defun message-idna-to-ascii-rhs ()
4772 "Possibly IDNA encode non-ASCII domain names in From:, To: and Cc: headers.
4773 See `message-idna-encode'."
4775 (when message-use-idna
4778 (message-narrow-to-head)
4779 (message-idna-to-ascii-rhs-1 "From")
4780 (message-idna-to-ascii-rhs-1 "To")
4781 (message-idna-to-ascii-rhs-1 "Cc")))))
4783 (defun message-generate-headers (headers)
4784 "Prepare article HEADERS.
4785 Headers already prepared in the buffer are not modified."
4786 (setq headers (append headers message-required-headers))
4788 (message-narrow-to-headers)
4789 (let* ((Date (message-make-date))
4790 (Message-ID (message-make-message-id))
4791 (Organization (message-make-organization))
4792 (From (message-make-from))
4793 (Path (message-make-path))
4796 (In-Reply-To (message-make-in-reply-to))
4797 (References (message-make-references))
4799 (Distribution (message-make-distribution))
4800 (Lines (message-make-lines))
4801 (User-Agent message-newsreader)
4802 (Expires (message-make-expires))
4803 (case-fold-search t)
4806 ;; First we remove any old generated headers.
4807 (let ((headers message-deletable-headers))
4808 (unless (buffer-modified-p)
4809 (setq headers (delq 'Message-ID (copy-sequence headers))))
4811 (goto-char (point-min))
4812 (and (re-search-forward
4813 (concat "^" (symbol-name (car headers)) ": *") nil t)
4814 (get-text-property (1+ (match-beginning 0)) 'message-deletable)
4815 (message-delete-line))
4817 ;; Go through all the required headers and see if they are in the
4818 ;; articles already. If they are not, or are empty, they are
4819 ;; inserted automatically - except for Subject, Newsgroups and
4822 (goto-char (point-min))
4823 (setq elem (pop headers))
4825 (if (eq (car elem) 'optional)
4826 (setq header (cdr elem)
4828 (setq header (car elem)))
4830 (when (or (not (re-search-forward
4834 (if (stringp header)
4836 (symbol-name header))))
4840 ;; The header was found. We insert a space after the
4841 ;; colon, if there is none.
4842 (if (/= (char-after) ? ) (insert " ") (forward-char 1))
4843 ;; Find out whether the header is empty.
4844 (looking-at "[ \t]*\n[^ \t]")))
4845 ;; So we find out what value we should insert.
4849 (eq (car elem) 'optional))
4850 ;; This is an optional header. If the cdr of this
4851 ;; is something that is nil, then we do not insert
4853 (setq header (cdr elem))
4854 (or (and (functionp (cdr elem))
4855 (funcall (cdr elem)))
4856 (and (boundp (cdr elem))
4857 (symbol-value (cdr elem)))))
4859 ;; The element is a cons. Either the cdr is a
4860 ;; string to be inserted verbatim, or it is a
4861 ;; function, and we insert the value returned from
4863 (or (and (stringp (cdr elem))
4865 (and (functionp (cdr elem))
4866 (funcall (cdr elem)))))
4867 ((and (boundp header)
4868 (symbol-value header))
4869 ;; The element is a symbol. We insert the value
4870 ;; of this symbol, if any.
4871 (symbol-value header))
4872 ((not (message-check-element header))
4873 ;; We couldn't generate a value for this header,
4874 ;; so we just ask the user.
4875 (read-from-minibuffer
4876 (format "Empty header for %s; enter value: " header)))))
4877 ;; Finally insert the header.
4879 (not (equal value "")))
4883 ;; This header didn't exist, so we insert it.
4884 (goto-char (point-max))
4886 (cdr (assq header message-header-format-alist))))
4888 (funcall formatter header value)
4889 (insert (if (stringp header)
4890 header (symbol-name header))
4892 ;; We check whether the value was ended by a
4893 ;; newline. If now, we insert one.
4897 ;; The value of this header was empty, so we clear
4898 ;; totally and insert the new value.
4899 (delete-region (point) (gnus-point-at-eol))
4900 ;; If the header is optional, and the header was
4901 ;; empty, we con't insert it anyway.
4904 ;; Add the deletable property to the headers that require it.
4905 (and (memq header message-deletable-headers)
4906 (progn (beginning-of-line) (looking-at "[^:]+: "))
4907 (add-text-properties
4908 (point) (match-end 0)
4909 '(message-deletable t face italic) (current-buffer)))))))
4910 ;; Insert new Sender if the From is strange.
4911 (let ((from (message-fetch-field "from"))
4912 (sender (message-fetch-field "sender"))
4913 (secure-sender (message-make-sender)))
4915 (not (message-check-element 'sender))
4918 (cadr (mail-extract-address-components from)))
4919 (downcase secure-sender)))
4924 (cadr (mail-extract-address-components sender)))
4925 (downcase secure-sender)))))
4926 (goto-char (point-min))
4927 ;; Rename any old Sender headers to Original-Sender.
4928 (when (re-search-forward "^\\(Original-\\)*Sender:" nil t)
4930 (insert "Original-")
4931 (beginning-of-line))
4932 (when (or (message-news-p)
4933 (string-match "@.+\\.." secure-sender))
4934 (insert "Sender: " secure-sender "\n"))))
4936 (message-idna-to-ascii-rhs))))
4938 (defun message-insert-courtesy-copy ()
4939 "Insert a courtesy message in mail copies of combined messages."
4943 (message-narrow-to-headers)
4944 (when (setq newsgroups (message-fetch-field "newsgroups"))
4945 (goto-char (point-max))
4946 (insert "Posted-To: " newsgroups "\n")))
4948 (when message-courtesy-message
4950 ((string-match "%s" message-courtesy-message)
4951 (insert (format message-courtesy-message newsgroups)))
4953 (insert message-courtesy-message)))))))
4956 ;;; Setting up a message buffer
4959 (defun message-fill-address (header value)
4961 (narrow-to-region (point) (point))
4962 (insert (capitalize (symbol-name header))
4964 (if (consp value) (car value) value)
4966 (narrow-to-region (point-min) (1- (point-max)))
4968 (goto-char (point-min))
4970 (skip-chars-forward "^,\"" (point-max))
4971 (if (or (eq (char-after) ?,)
4974 (if (and (> (current-column) 78)
4980 (setq last (1+ (point))))
4981 (setq last (1+ (point)))))
4982 (setq quoted (not quoted)))
4985 (goto-char (point-max))
4989 (defun message-split-line ()
4990 "Split current line, moving portion beyond point vertically down.
4991 If the current line has `message-yank-prefix', insert it on the new line."
4994 (split-line message-yank-prefix) ;; Emacs 21.3.50+ supports arg.
4999 (defun message-fill-header (header value)
5000 (let ((begin (point))
5003 (insert (capitalize (symbol-name header))
5005 (if (consp value) (car value) value)
5008 (narrow-to-region begin (point))
5009 (fill-region-as-paragraph begin (point))
5010 ;; Tapdance around looong Message-IDs.
5012 (when (looking-at "[ \t]*$")
5013 (message-delete-line))
5015 (re-search-forward ":" nil t)
5016 (when (looking-at "\n[ \t]+")
5017 (replace-match " " t t))
5018 (goto-char (point-max)))))
5020 (defun message-shorten-1 (list cut surplus)
5021 "Cut SURPLUS elements out of LIST, beginning with CUTth one."
5022 (setcdr (nthcdr (- cut 2) list)
5023 (nthcdr (+ (- cut 2) surplus 1) list)))
5025 (defun message-shorten-references (header references)
5026 "Trim REFERENCES to be 21 Message-ID long or less, and fold them.
5027 If folding is disallowed, also check that the REFERENCES are less
5028 than 988 characters long, and if they are not, trim them until they are."
5035 (goto-char (point-min))
5036 ;; Cons a list of valid references.
5037 (while (re-search-forward "<[^>]+>" nil t)
5038 (push (match-string 0) refs))
5039 (setq refs (nreverse refs)
5040 count (length refs)))
5042 ;; If the list has more than MAXCOUNT elements, trim it by
5043 ;; removing the CUTth element and the required number of
5044 ;; elements that follow.
5045 (when (> count maxcount)
5046 (let ((surplus (- count maxcount)))
5047 (message-shorten-1 refs cut surplus)
5048 (decf count surplus)))
5050 ;; If folding is disallowed, make sure the total length (including
5051 ;; the spaces between) will be less than MAXSIZE characters.
5053 ;; Only disallow folding for News messages. At this point the headers
5054 ;; have not been generated, thus we use message-this-is-news directly.
5055 (when (and message-this-is-news message-cater-to-broken-inn)
5057 (totalsize (+ (apply #'+ (mapcar #'length refs))
5060 (ptr (nthcdr (1- cut) refs)))
5061 ;; Decide how many elements to cut off...
5062 (while (> totalsize maxsize)
5063 (decf totalsize (1+ (length (car ptr))))
5065 (setq ptr (cdr ptr)))
5068 (message-shorten-1 refs cut surplus))))
5070 ;; Finally, collect the references back into a string and insert
5071 ;; it into the buffer.
5072 (let ((refstring (mapconcat #'identity refs " ")))
5073 (if (and message-this-is-news message-cater-to-broken-inn)
5074 (insert (capitalize (symbol-name header)) ": "
5076 (message-fill-header header refstring)))))
5078 (defun message-position-point ()
5079 "Move point to where the user probably wants to find it."
5080 (message-narrow-to-headers)
5082 ((re-search-forward "^[^:]+:[ \t]*$" nil t)
5083 (search-backward ":" )
5086 (if (eq (char-after) ? )
5090 (goto-char (point-max))
5093 (unless (looking-at "$")
5097 (defcustom message-beginning-of-line t
5098 "Whether \\<message-mode-map>\\[message-beginning-of-line]\
5099 goes to beginning of header values."
5100 :group 'message-buffers
5103 (defun message-beginning-of-line (&optional n)
5104 "Move point to beginning of header value or to beginning of line.
5105 The prefix argument N is passed directly to `beginning-of-line'.
5107 This command is identical to `beginning-of-line' if point is
5108 outside the message header or if the option `message-beginning-of-line'
5111 If point is in the message header and on a (non-continued) header
5112 line, move point to the beginning of the header value. If point
5113 is already there, move point to beginning of line. Therefore,
5114 repeated calls will toggle point between beginning of field and
5117 (let ((zrs 'zmacs-region-stays))
5118 (when (and (interactive-p) (boundp zrs))
5120 (if (and message-beginning-of-line
5121 (message-point-in-header-p))
5122 (let* ((here (point))
5123 (bol (progn (beginning-of-line n) (point)))
5124 (eol (gnus-point-at-eol))
5125 (eoh (re-search-forward ": *" eol t)))
5126 (if (or (not eoh) (equal here eoh))
5129 (beginning-of-line n)))
5131 (defun message-buffer-name (type &optional to group)
5132 "Return a new (unique) buffer name based on TYPE and TO."
5134 ;; Generate a new buffer name The Message Way.
5135 ((eq message-generate-new-buffers 'unique)
5136 (generate-new-buffer-name
5140 (or (car (mail-extract-address-components to))
5143 (if (and group (not (string= group ""))) (concat " on " group) "")
5145 ;; Check whether `message-generate-new-buffers' is a function,
5146 ;; and if so, call it.
5147 ((functionp message-generate-new-buffers)
5148 (funcall message-generate-new-buffers type to group))
5149 ((eq message-generate-new-buffers 'unsent)
5150 (generate-new-buffer-name
5151 (concat "*unsent " type
5154 (or (car (mail-extract-address-components to))
5157 (if (and group (not (string= group ""))) (concat " on " group) "")
5159 ;; Use standard name.
5161 (format "*%s message*" type))))
5163 (defun message-pop-to-buffer (name)
5164 "Pop to buffer NAME, and warn if it already exists and is modified."
5165 (let ((buffer (get-buffer name)))
5167 (buffer-name buffer))
5169 (set-buffer (pop-to-buffer buffer))
5170 (when (and (buffer-modified-p)
5172 "Message already being composed; erase? ")))
5173 (error "Message being composed")))
5174 (set-buffer (pop-to-buffer name)))
5178 (defun message-do-send-housekeeping ()
5179 "Kill old message buffers."
5180 ;; We might have sent this buffer already. Delete it from the
5182 (setq message-buffer-list (delq (current-buffer) message-buffer-list))
5183 (while (and message-max-buffers
5185 (>= (length message-buffer-list) message-max-buffers))
5186 ;; Kill the oldest buffer -- unless it has been changed.
5187 (let ((buffer (pop message-buffer-list)))
5188 (when (and (buffer-name buffer)
5189 (not (buffer-modified-p buffer)))
5190 (kill-buffer buffer))))
5191 ;; Rename the buffer.
5192 (if message-send-rename-function
5193 (funcall message-send-rename-function)
5194 ;; Note: mail-abbrevs of XEmacs renames buffer name behind Gnus.
5196 "\\`\\*\\(sent \\|unsent \\)?\\(.+\\)\\*[^\\*]*\\|\\`mail to "
5198 (let ((name (match-string 2 (buffer-name)))
5200 (if (not (or (null name)
5201 (string-equal name "mail")
5202 (string-equal name "posting")))
5203 (setq name (concat "*sent " name "*"))
5204 (message-narrow-to-headers)
5205 (setq to (message-fetch-field "to"))
5206 (setq group (message-fetch-field "newsgroups"))
5210 (to (concat "*sent mail to "
5211 (or (car (mail-extract-address-components to))
5213 ((and group (not (string= group "")))
5214 (concat "*sent posting on " group "*"))
5215 (t "*sent mail*"))))
5216 (unless (string-equal name (buffer-name))
5217 (rename-buffer name t)))))
5218 ;; Push the current buffer onto the list.
5219 (when message-max-buffers
5220 (setq message-buffer-list
5221 (nconc message-buffer-list (list (current-buffer))))))
5223 (defun message-mail-user-agent ()
5225 ((not message-mail-user-agent) nil)
5226 ((eq message-mail-user-agent t) mail-user-agent)
5227 (t message-mail-user-agent))))
5228 (if (memq mua '(message-user-agent gnus-user-agent))
5232 (defun message-setup (headers &optional replybuffer actions switch-function)
5233 (let ((mua (message-mail-user-agent))
5234 subject to field yank-action)
5235 (if (not (and message-this-is-mail mua))
5236 (message-setup-1 headers replybuffer actions)
5238 (setq yank-action (list 'insert-buffer replybuffer)))
5239 (setq headers (copy-sequence headers))
5240 (setq field (assq 'Subject headers))
5242 (setq subject (cdr field))
5243 (setq headers (delq field headers)))
5244 (setq field (assq 'To headers))
5246 (setq to (cdr field))
5247 (setq headers (delq field headers)))
5248 (let ((mail-user-agent mua))
5249 (compose-mail to subject
5250 (mapcar (lambda (item)
5252 (format "%s" (car item))
5255 nil switch-function yank-action actions)))))
5257 (defun message-headers-to-generate (headers included-headers excluded-headers)
5258 "Return a list that includes all headers from HEADERS.
5259 If INCLUDED-HEADERS is a list, just include those headers. If if is
5260 t, include all headers. In any case, headers from EXCLUDED-HEADERS
5264 (dolist (header headers)
5265 (setq header-name (cond
5266 ((and (consp header)
5267 (eq (car header) 'optional))
5268 ;; On the form (optional . Header)
5271 ;; On the form (Header . function)
5276 (when (and (not (memq header-name excluded-headers))
5277 (or (eq included-headers t)
5278 (memq header-name included-headers)))
5279 (push header result)))
5282 (defun message-setup-1 (headers &optional replybuffer actions)
5283 (dolist (action actions)
5285 (add-to-list 'message-send-actions
5286 `(apply ',(car action) ',(cdr action)))))
5287 (setq message-reply-buffer replybuffer)
5288 (goto-char (point-min))
5289 ;; Insert all the headers.
5292 (alist message-header-format-alist))
5294 (unless (assq (caar h) message-header-format-alist)
5295 (push (list (caar h)) alist))
5299 (delete-region (point) (progn (forward-line -1) (point)))
5300 (when message-default-headers
5301 (insert message-default-headers)
5302 (or (bolp) (insert ?\n)))
5306 (insert mail-header-separator "\n")
5310 (when (message-news-p)
5311 (when message-default-news-headers
5312 (insert message-default-news-headers)
5313 (or (bolp) (insert ?\n)))
5314 (when message-generate-headers-first
5315 (message-generate-headers
5316 (message-headers-to-generate
5317 (append message-required-news-headers
5318 message-required-headers)
5319 message-generate-headers-first
5320 '(Lines Subject)))))
5321 (when (message-mail-p)
5322 (when message-default-mail-headers
5323 (insert message-default-mail-headers)
5324 (or (bolp) (insert ?\n)))
5326 (message-narrow-to-headers)
5327 (if message-alternative-emails
5328 (message-use-alternative-email-as-from)))
5329 (when message-generate-headers-first
5330 (message-generate-headers
5331 (message-headers-to-generate
5332 (append message-required-mail-headers
5333 message-required-headers)
5334 message-generate-headers-first
5335 '(Lines Subject)))))
5336 (run-hooks 'message-signature-setup-hook)
5337 (message-insert-signature)
5339 (message-narrow-to-headers)
5340 (run-hooks 'message-header-setup-hook))
5341 (set-buffer-modified-p nil)
5342 (setq buffer-undo-list nil)
5343 (run-hooks 'message-setup-hook)
5344 (message-position-point)
5347 (defun message-set-auto-save-file-name ()
5348 "Associate the message buffer with a file in the drafts directory."
5349 (when message-auto-save-directory
5350 (unless (file-directory-p
5351 (directory-file-name message-auto-save-directory))
5352 (make-directory message-auto-save-directory t))
5354 (setq message-draft-article
5355 (nndraft-request-associate-buffer "drafts"))
5356 (setq buffer-file-name (expand-file-name
5357 (if (memq system-type
5358 '(ms-dos ms-windows windows-nt
5359 cygwin cygwin32 win32 w32
5363 message-auto-save-directory))
5364 (setq buffer-auto-save-file-name (make-auto-save-file-name)))
5365 (clear-visited-file-modtime)
5366 (setq buffer-file-coding-system message-draft-coding-system)))
5368 (defun message-disassociate-draft ()
5369 "Disassociate the message buffer from the drafts directory."
5370 (when message-draft-article
5371 (nndraft-request-expire-articles
5372 (list message-draft-article) "drafts" nil t)))
5374 (defun message-insert-headers ()
5375 "Generate the headers for the article."
5379 (message-narrow-to-headers)
5380 (when (message-news-p)
5381 (message-generate-headers
5384 (copy-sequence message-required-news-headers)))))
5385 (when (message-mail-p)
5386 (message-generate-headers
5389 (copy-sequence message-required-mail-headers))))))))
5394 ;;; Commands for interfacing with message
5398 (defun message-mail (&optional to subject
5399 other-headers continue switch-function
5400 yank-action send-actions)
5401 "Start editing a mail message to be sent.
5402 OTHER-HEADERS is an alist of header/value pairs."
5404 (let ((message-this-is-mail t) replybuffer)
5405 (unless (message-mail-user-agent)
5406 (message-pop-to-buffer (message-buffer-name "mail" to)))
5407 ;; FIXME: message-mail should do something if YANK-ACTION is not
5409 (and (consp yank-action) (eq (car yank-action) 'insert-buffer)
5410 (setq replybuffer (nth 1 yank-action)))
5413 `((To . ,(or to "")) (Subject . ,(or subject "")))
5414 (when other-headers other-headers))
5415 replybuffer send-actions)
5416 ;; FIXME: Should return nil if failure.
5420 (defun message-news (&optional newsgroups subject)
5421 "Start editing a news article to be sent."
5423 (let ((message-this-is-news t))
5424 (message-pop-to-buffer (message-buffer-name "posting" nil newsgroups))
5425 (message-setup `((Newsgroups . ,(or newsgroups ""))
5426 (Subject . ,(or subject ""))))))
5428 (defun message-get-reply-headers (wide &optional to-address address-headers)
5429 (let (follow-to mct never-mct to cc author mft recipients)
5430 ;; Find all relevant headers we need.
5431 (setq to (message-fetch-field "to")
5432 cc (message-fetch-field "cc")
5433 mct (message-fetch-field "mail-copies-to")
5434 author (or (message-fetch-field "mail-reply-to")
5435 (message-fetch-field "reply-to")
5436 (message-fetch-field "from")
5438 mft (and message-use-mail-followup-to
5439 (message-fetch-field "mail-followup-to")))
5441 ;; Handle special values of Mail-Copies-To.
5443 (cond ((or (equal (downcase mct) "never")
5444 (equal (downcase mct) "nobody"))
5447 ((or (equal (downcase mct) "always")
5448 (equal (downcase mct) "poster"))
5449 (setq mct author))))
5452 ;; Build (textual) list of new recipient addresses.
5455 (setq recipients (concat ", " author)))
5457 (dolist (header address-headers)
5458 (let ((value (message-fetch-field header)))
5460 (setq recipients (concat recipients ", " value))))))
5462 (string-match "[^ \t,]" mft)
5463 (or (not (eq message-use-mail-followup-to 'ask))
5464 (message-y-or-n-p "Obey Mail-Followup-To? " t "\
5465 You should normally obey the Mail-Followup-To: header. In this
5466 article, it has the value of
5470 which directs your response to " (if (string-match "," mft)
5471 "the specified addresses"
5472 "that address only") ".
5474 Most commonly, Mail-Followup-To is used by a mailing list poster to
5475 express that responses should be sent to just the list, and not the
5478 If a message is posted to several mailing lists, Mail-Followup-To may
5479 also be used to direct the following discussion to one list only,
5480 because discussions that are spread over several lists tend to be
5481 fragmented and very difficult to follow.
5483 Also, some source/announcement lists are not intended for discussion;
5484 responses here are directed to other addresses.")))
5485 (setq recipients (concat ", " mft)))
5487 (setq recipients (concat ", " to-address))
5488 ;; If the author explicitly asked for a copy, we don't deny it to them.
5489 (if mct (setq recipients (concat recipients ", " mct))))
5491 (setq recipients (if never-mct "" (concat ", " author)))
5492 (if to (setq recipients (concat recipients ", " to)))
5493 (if cc (setq recipients (concat recipients ", " cc)))
5494 (if mct (setq recipients (concat recipients ", " mct)))))
5495 (if (>= (length recipients) 2)
5496 ;; Strip the leading ", ".
5497 (setq recipients (substring recipients 2)))
5498 ;; Squeeze whitespace.
5499 (while (string-match "[ \t][ \t]+" recipients)
5500 (setq recipients (replace-match " " t t recipients)))
5501 ;; Remove addresses that match `rmail-dont-reply-to-names'.
5502 (let ((rmail-dont-reply-to-names message-dont-reply-to-names))
5503 (setq recipients (rmail-dont-reply-to recipients)))
5504 ;; Perhaps "Mail-Copies-To: never" removed the only address?
5505 (if (string-equal recipients "")
5506 (setq recipients author))
5507 ;; Convert string to a list of (("foo@bar" . "Name <Foo@BAR>") ...).
5511 (cons (downcase (mail-strip-quoted-names addr)) addr))
5512 (message-tokenize-header recipients)))
5513 ;; Remove first duplicates. (Why not all duplicates? Is this a bug?)
5514 (let ((s recipients))
5516 (setq recipients (delq (assoc (car (pop s)) s) recipients))))
5518 ;; Remove hierarchical lists that are contained within each other,
5519 ;; if message-hierarchical-addresses is defined.
5520 (when message-hierarchical-addresses
5521 (let ((plain-addrs (mapcar 'car recipients))
5524 (setq subaddrs (assoc (car plain-addrs)
5525 message-hierarchical-addresses)
5526 plain-addrs (cdr plain-addrs))
5528 (setq subaddrs (cdr subaddrs))
5530 (setq recip (assoc (car subaddrs) recipients)
5531 subaddrs (cdr subaddrs))
5533 (setq recipients (delq recip recipients))))))))
5535 ;; Build the header alist. Allow the user to be asked whether
5536 ;; or not to reply to all recipients in a wide reply.
5537 (setq follow-to (list (cons 'To (cdr (pop recipients)))))
5538 (when (and recipients
5539 (or (not message-wide-reply-confirm-recipients)
5540 (y-or-n-p "Reply to all recipients? ")))
5541 (setq recipients (mapconcat
5542 (lambda (addr) (cdr addr)) recipients ", "))
5543 (if (string-match "^ +" recipients)
5544 (setq recipients (substring recipients (match-end 0))))
5545 (push (cons 'Cc recipients) follow-to)))
5549 (defun message-reply (&optional to-address wide)
5550 "Start editing a reply to the article in the current buffer."
5552 (require 'gnus-sum) ; for gnus-list-identifiers
5553 (let ((cur (current-buffer))
5554 from subject date reply-to to cc
5555 references message-id follow-to
5556 (inhibit-point-motion-hooks t)
5557 (message-this-is-mail t)
5560 (message-narrow-to-head-1)
5561 ;; Allow customizations to have their say.
5563 ;; This is a regular reply.
5564 (when (functionp message-reply-to-function)
5566 (setq follow-to (funcall message-reply-to-function))))
5567 ;; This is a followup.
5568 (when (functionp message-wide-reply-to-function)
5571 (funcall message-wide-reply-to-function)))))
5572 (setq message-id (message-fetch-field "message-id" t)
5573 references (message-fetch-field "references")
5574 date (message-fetch-field "date")
5575 from (message-fetch-field "from")
5576 subject (or (message-fetch-field "subject") "none"))
5577 (when gnus-list-identifiers
5578 (setq subject (message-strip-list-identifiers subject)))
5579 (setq subject (concat "Re: " (message-strip-subject-re subject)))
5580 (when message-subject-trailing-was-query
5581 (setq subject (message-strip-subject-trailing-was subject)))
5583 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
5584 (string-match "<[^>]+>" gnus-warning))
5585 (setq message-id (match-string 0 gnus-warning)))
5588 (setq follow-to (message-get-reply-headers wide to-address))))
5590 (unless (message-mail-user-agent)
5591 (message-pop-to-buffer
5592 (message-buffer-name
5593 (if wide "wide reply" "reply") from
5594 (if wide to-address nil))))
5596 (setq message-reply-headers
5597 (vector 0 subject from date message-id references 0 0 ""))
5600 `((Subject . ,subject)
5605 (defun message-wide-reply (&optional to-address)
5606 "Make a \"wide\" reply to the message in the current buffer."
5608 (message-reply to-address t))
5611 (defun message-followup (&optional to-newsgroups)
5612 "Follow up to the message in the current buffer.
5613 If TO-NEWSGROUPS, use that as the new Newsgroups line."
5615 (require 'gnus-sum) ; for gnus-list-identifiers
5616 (let ((cur (current-buffer))
5617 from subject date reply-to mrt mct
5618 references message-id follow-to
5619 (inhibit-point-motion-hooks t)
5620 (message-this-is-news t)
5621 followup-to distribution newsgroups gnus-warning posted-to)
5624 (goto-char (point-min))
5625 (if (search-forward "\n\n" nil t)
5628 (when (functionp message-followup-to-function)
5630 (funcall message-followup-to-function)))
5631 (setq from (message-fetch-field "from")
5632 date (message-fetch-field "date")
5633 subject (or (message-fetch-field "subject") "none")
5634 references (message-fetch-field "references")
5635 message-id (message-fetch-field "message-id" t)
5636 followup-to (message-fetch-field "followup-to")
5637 newsgroups (message-fetch-field "newsgroups")
5638 posted-to (message-fetch-field "posted-to")
5639 reply-to (message-fetch-field "reply-to")
5640 mrt (message-fetch-field "mail-reply-to")
5641 distribution (message-fetch-field "distribution")
5642 mct (message-fetch-field "mail-copies-to"))
5643 (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
5644 (string-match "<[^>]+>" gnus-warning))
5645 (setq message-id (match-string 0 gnus-warning)))
5646 ;; Remove bogus distribution.
5647 (when (and (stringp distribution)
5648 (let ((case-fold-search t))
5649 (string-match "world" distribution)))
5650 (setq distribution nil))
5651 (if gnus-list-identifiers
5652 (setq subject (message-strip-list-identifiers subject)))
5653 (setq subject (concat "Re: " (message-strip-subject-re subject)))
5654 (when message-subject-trailing-was-query
5655 (setq subject (message-strip-subject-trailing-was subject)))
5658 (message-pop-to-buffer (message-buffer-name "followup" from newsgroups))
5660 (setq message-reply-headers
5661 (vector 0 subject from date message-id references 0 0 ""))
5664 `((Subject . ,subject)
5667 (list (cons 'Newsgroups to-newsgroups)))
5668 (follow-to follow-to)
5669 ((and followup-to message-use-followup-to)
5672 ((equal (downcase followup-to) "poster")
5673 (if (or (eq message-use-followup-to 'use)
5674 (message-y-or-n-p "Obey Followup-To: poster? " t "\
5675 You should normally obey the Followup-To: header.
5677 `Followup-To: poster' sends your response via e-mail instead of news.
5679 A typical situation where `Followup-To: poster' is used is when the poster
5680 does not read the newsgroup, so he wouldn't see any replies sent to it."))
5682 (setq message-this-is-news nil)
5683 (cons 'To (or mrt reply-to from "")))
5684 (cons 'Newsgroups newsgroups)))
5686 (if (or (equal followup-to newsgroups)
5687 (not (eq message-use-followup-to 'ask))
5689 (concat "Obey Followup-To: " followup-to "? ") t "\
5690 You should normally obey the Followup-To: header.
5692 `Followup-To: " followup-to "'
5693 directs your response to " (if (string-match "," followup-to)
5694 "the specified newsgroups"
5695 "that newsgroup only") ".
5697 If a message is posted to several newsgroups, Followup-To is often
5698 used to direct the following discussion to one newsgroup only,
5699 because discussions that are spread over several newsgroup tend to
5700 be fragmented and very difficult to follow.
5702 Also, some source/announcement newsgroups are not intended for discussion;
5703 responses here are directed to other newsgroups."))
5704 (cons 'Newsgroups followup-to)
5705 (cons 'Newsgroups newsgroups))))))
5707 `((Newsgroups . ,posted-to)))
5709 `((Newsgroups . ,newsgroups))))
5710 ,@(and distribution (list (cons 'Distribution distribution)))
5712 (not (or (equal (downcase mct) "never")
5713 (equal (downcase mct) "nobody"))))
5714 (list (cons 'Cc (if (or (equal (downcase mct) "always")
5715 (equal (downcase mct) "poster"))
5716 (or mrt reply-to from "")
5721 (defun message-is-yours-p ()
5722 "Non-nil means current article is yours.
5723 If you have added 'cancel-messages to 'message-shoot-gnksa-feet', all articles
5724 are yours except those that have Cancel-Lock header not belonging to you.
5725 Instead of shooting GNKSA feet, you should modify 'message-alternative-emails'
5726 regexp to match all of yours addresses."
5727 ;; Canlock-logic as suggested by Per Abrahamsen
5728 ;; <abraham@dina.kvl.dk>
5730 ;; IF article has cancel-lock THEN
5731 ;; IF we can verify it THEN
5734 ;; error: cancellock: article is not yours
5736 ;; Use old rules, comparing sender...
5739 (message-narrow-to-head-1)
5740 (if (message-fetch-field "Cancel-Lock")
5741 (if (null (canlock-verify))
5743 (error "Failed to verify Cancel-lock: This article is not yours"))
5746 (message-gnksa-enable-p 'cancel-messages)
5747 (and (setq sender (message-fetch-field "sender"))
5748 (string-equal (downcase sender)
5749 (downcase (message-make-sender))))
5750 ;; Email address in From field equals to our address
5751 (and (setq from (message-fetch-field "from"))
5753 (downcase (cadr (mail-extract-address-components from)))
5754 (downcase (cadr (mail-extract-address-components
5755 (message-make-from))))))
5756 ;; Email address in From field matches
5757 ;; 'message-alternative-emails' regexp
5759 message-alternative-emails
5761 message-alternative-emails
5762 (cadr (mail-extract-address-components from))))))))))
5765 (defun message-cancel-news (&optional arg)
5766 "Cancel an article you posted.
5767 If ARG, allow editing of the cancellation message."
5769 (unless (message-news-p)
5770 (error "This is not a news article; canceling is impossible"))
5771 (let (from newsgroups message-id distribution buf)
5773 ;; Get header info from original article.
5775 (message-narrow-to-head-1)
5776 (setq from (message-fetch-field "from")
5777 newsgroups (message-fetch-field "newsgroups")
5778 message-id (message-fetch-field "message-id" t)
5779 distribution (message-fetch-field "distribution")))
5780 ;; Make sure that this article was written by the user.
5781 (unless (message-is-yours-p)
5782 (error "This article is not yours"))
5783 (when (yes-or-no-p "Do you really want to cancel this article? ")
5784 ;; Make control message.
5787 (setq buf (set-buffer (get-buffer-create " *message cancel*"))))
5789 (insert "Newsgroups: " newsgroups "\n"
5791 "Subject: cmsg cancel " message-id "\n"
5792 "Control: cancel " message-id "\n"
5794 (concat "Distribution: " distribution "\n")
5796 mail-header-separator "\n"
5797 message-cancel-message)
5798 (run-hooks 'message-cancel-hook)
5800 (message "Canceling your article...")
5801 (if (let ((message-syntax-checks
5802 'dont-check-for-anything-just-trust-me))
5803 (funcall message-send-news-function))
5804 (message "Canceling your article...done"))
5805 (kill-buffer buf))))))
5808 (defun message-supersede ()
5809 "Start composing a message to supersede the current message.
5810 This is done simply by taking the old article and adding a Supersedes
5811 header line with the old Message-ID."
5813 (let ((cur (current-buffer)))
5814 ;; Check whether the user owns the article that is to be superseded.
5815 (unless (message-is-yours-p)
5816 (error "This article is not yours"))
5817 ;; Get a normal message buffer.
5818 (message-pop-to-buffer (message-buffer-name "supersede"))
5819 (insert-buffer-substring cur)
5821 (message-narrow-to-head-1)
5822 ;; Remove unwanted headers.
5823 (when message-ignored-supersedes-headers
5824 (message-remove-header message-ignored-supersedes-headers t))
5825 (goto-char (point-min))
5826 (if (not (re-search-forward "^Message-ID: " nil t))
5827 (error "No Message-ID in this article")
5828 (replace-match "Supersedes: " t t))
5829 (goto-char (point-max))
5830 (insert mail-header-separator)
5835 (defun message-recover ()
5836 "Reread contents of current buffer from its last auto-save file."
5838 (let ((file-name (make-auto-save-file-name)))
5839 (cond ((save-window-excursion
5840 (if (not (eq system-type 'vax-vms))
5841 (with-output-to-temp-buffer "*Directory*"
5842 (with-current-buffer standard-output
5843 (fundamental-mode)) ; for Emacs 20.4+
5844 (buffer-disable-undo standard-output)
5845 (let ((default-directory "/"))
5847 "ls" nil standard-output nil "-l" file-name))))
5848 (yes-or-no-p (format "Recover auto save file %s? " file-name)))
5849 (let ((buffer-read-only nil))
5851 (insert-file-contents file-name nil)))
5852 (t (error "message-recover cancelled")))))
5854 ;;; Washing Subject:
5856 (defun message-wash-subject (subject)
5857 "Remove junk like \"Re:\", \"(fwd)\", etc. added to subject string SUBJECT.
5858 Previous forwarders, replyers, etc. may add it."
5861 (goto-char (point-min))
5862 ;; strip Re/Fwd stuff off the beginning
5863 (while (re-search-forward
5864 "\\([Rr][Ee]:\\|[Ff][Ww][Dd]\\(\\[[0-9]*\\]\\)?:\\|[Ff][Ww]:\\)" nil t)
5867 ;; and gnus-style forwards [foo@bar.com] subject
5868 (goto-char (point-min))
5869 (while (re-search-forward "\\[[^ \t]*\\(@\\|\\.\\)[^ \t]*\\]" nil t)
5873 (goto-char (point-max))
5874 (while (re-search-backward "([Ff][Ww][Dd])" nil t)
5877 ;; and finally, any whitespace that was left-over
5878 (goto-char (point-min))
5879 (while (re-search-forward "^[ \t]+" nil t)
5881 (goto-char (point-max))
5882 (while (re-search-backward "[ \t]+$" nil t)
5887 ;;; Forwarding messages.
5889 (defvar message-forward-decoded-p nil
5890 "Non-nil means the original message is decoded.")
5892 (defun message-forward-subject-author-subject (subject)
5893 "Generate a SUBJECT for a forwarded message.
5894 The form is: [Source] Subject, where if the original message was mail,
5895 Source is the sender, and if the original message was news, Source is
5896 the list of newsgroups is was posted to."
5899 (or (message-fetch-field "newsgroups")
5900 (message-fetch-field "from")
5902 (if message-forward-decoded-p
5904 (mail-decode-encoded-word-string prefix)))
5907 (defun message-forward-subject-name-subject (subject)
5908 "Generate a SUBJECT for a forwarded message.
5909 The form is: [Source] Subject, where if the original message was mail,
5910 Source is the name of the sender, and if the original message was
5911 news, Source is the list of newsgroups is was posted to."
5914 (or (message-fetch-field "newsgroups")
5915 (let ((from (message-fetch-field "from")))
5917 (cdr (mail-header-parse-address from))))
5919 (if message-forward-decoded-p
5921 (mail-decode-encoded-word-string prefix)))
5924 (defun message-forward-subject-fwd (subject)
5925 "Generate a SUBJECT for a forwarded message.
5926 The form is: Fwd: Subject, where Subject is the original subject of
5928 (concat "Fwd: " subject))
5930 (defun message-make-forward-subject ()
5931 "Return a Subject header suitable for the message in the current buffer."
5934 (message-narrow-to-head-1)
5935 (let ((funcs message-make-forward-subject-function)
5936 (subject (message-fetch-field "Subject")))
5939 (if message-forward-decoded-p
5941 (mail-decode-encoded-word-string subject))
5943 (if message-wash-forwarded-subjects
5944 (setq subject (message-wash-subject subject)))
5945 ;; Make sure funcs is a list.
5948 (setq funcs (list funcs)))
5949 ;; Apply funcs in order, passing subject generated by previous
5950 ;; func to the next one.
5952 (when (functionp (car funcs))
5953 (setq subject (funcall (car funcs) subject)))
5954 (setq funcs (cdr funcs)))
5958 (defvar gnus-article-decoded-p))
5962 (defun message-forward (&optional news digest)
5963 "Forward the current message via mail.
5964 Optional NEWS will use news to forward instead of mail.
5965 Optional DIGEST will use digest to forward."
5967 (let* ((cur (current-buffer))
5968 (message-forward-decoded-p
5969 (if (local-variable-p 'gnus-article-decoded-p (current-buffer))
5970 gnus-article-decoded-p ;; In an article buffer.
5971 message-forward-decoded-p))
5972 (subject (message-make-forward-subject)))
5974 (message-news nil subject)
5975 (message-mail nil subject))
5976 (message-forward-make-body cur digest)))
5979 (defun message-forward-make-body (forward-buffer &optional digest)
5980 ;; Put point where we want it before inserting the forwarded
5982 (if message-forward-before-signature
5984 (goto-char (point-max)))
5985 (if message-forward-as-mime
5987 (insert "\n<#multipart type=digest>\n")
5988 (if message-forward-show-mml
5989 (insert "\n\n<#mml type=message/rfc822 disposition=inline>\n")
5990 (insert "\n\n<#part type=message/rfc822 disposition=inline raw=t>\n")))
5991 (insert "\n-------------------- Start of forwarded message --------------------\n"))
5992 (let ((b (point)) e)
5994 (if message-forward-as-mime
5995 (insert-buffer-substring forward-buffer)
5996 (mml-insert-buffer forward-buffer))
5997 (if (and message-forward-show-mml
5998 (not message-forward-decoded-p))
6001 (mm-disable-multibyte)
6003 (with-current-buffer forward-buffer
6004 (mm-with-unibyte-current-buffer (buffer-string))))
6005 (mm-enable-multibyte)
6007 (goto-char (point-min))
6008 (when (looking-at "From ")
6009 (replace-match "X-From-Line: "))
6012 (narrow-to-region (point) (point))
6013 (mml-insert-buffer forward-buffer)
6014 (goto-char (point-min))
6015 (when (looking-at "From ")
6016 (replace-match "X-From-Line: "))
6017 (goto-char (point-max)))))
6019 (if message-forward-as-mime
6021 (insert "<#/multipart>\n")
6022 (if message-forward-show-mml
6023 (insert "<#/mml>\n")
6024 (insert "<#/part>\n")))
6025 (insert "\n-------------------- End of forwarded message --------------------\n"))
6026 (if (and digest message-forward-as-mime)
6028 (narrow-to-region b e)
6030 (narrow-to-region (point)
6031 (or (search-forward "\n\n" nil t) (point)))
6032 (delete-region (point-min) (point-max)))
6033 (when (and (not current-prefix-arg)
6034 message-forward-ignored-headers
6035 ;; don't remove CTE, X-Gnus etc when doing "raw" forward:
6036 message-forward-show-mml)
6038 (narrow-to-region b e)
6040 (narrow-to-region (point)
6041 (or (search-forward "\n\n" nil t) (point)))
6042 (message-remove-header message-forward-ignored-headers t)))))
6043 (message-position-point))
6046 (defun message-forward-rmail-make-body (forward-buffer)
6047 (save-window-excursion
6048 (set-buffer forward-buffer)
6049 ;; Rmail doesn't have rmail-msg-restore-non-pruned-header in Emacs
6050 ;; 20. FIXIT, or we drop support for rmail in Emacs 20.
6051 (if (rmail-msg-is-pruned)
6052 (rmail-msg-restore-non-pruned-header)))
6053 (message-forward-make-body forward-buffer))
6055 (eval-when-compile (defvar rmail-enable-mime-composing))
6057 ;; Fixme: Should have defcustom.
6059 (defun message-insinuate-rmail ()
6060 "Let RMAIL use message to forward."
6062 (setq rmail-enable-mime-composing t)
6063 (setq rmail-insert-mime-forwarded-message-function
6064 'message-forward-rmail-make-body))
6067 (defun message-resend (address)
6068 "Resend the current article to ADDRESS."
6070 (list (message-read-from-minibuffer "Resend message to: ")))
6071 (message "Resending message to %s..." address)
6073 (let ((cur (current-buffer))
6075 ;; We first set up a normal mail buffer.
6076 (unless (message-mail-user-agent)
6077 (set-buffer (get-buffer-create " *message resend*"))
6079 (let ((message-this-is-mail t)
6081 (message-setup `((To . ,address))))
6082 ;; Insert our usual headers.
6083 (message-generate-headers '(From Date To))
6084 (message-narrow-to-headers)
6085 ;; Remove X-Draft-From header etc.
6086 (message-remove-header message-ignored-mail-headers t)
6087 ;; Rename them all to "Resent-*".
6088 (goto-char (point-min))
6089 (while (re-search-forward "^[A-Za-z]" nil t)
6094 (delete-region (point) (point-max))
6096 ;; Insert the message to be resent.
6097 (insert-buffer-substring cur)
6098 (goto-char (point-min))
6099 (search-forward "\n\n")
6102 (narrow-to-region beg (point))
6103 (message-remove-header message-ignored-resent-headers t)
6104 (goto-char (point-max)))
6105 (insert mail-header-separator)
6106 ;; Rename all old ("Also-")Resent headers.
6107 (while (re-search-backward "^\\(Also-\\)*Resent-" beg t)
6110 ;; Quote any "From " lines at the beginning.
6112 (when (looking-at "From ")
6113 (replace-match "X-From-Line: "))
6115 (let ((message-inhibit-body-encoding t)
6116 message-required-mail-headers)
6117 (message-send-mail))
6118 (kill-buffer (current-buffer)))
6119 (message "Resending message to %s...done" address)))
6122 (defun message-bounce ()
6123 "Re-mail the current message.
6124 This only makes sense if the current message is a bounce message that
6125 contains some mail you have written which has been bounced back to
6128 (let ((handles (mm-dissect-buffer t))
6130 (message-pop-to-buffer (message-buffer-name "bounce"))
6131 (if (stringp (car handles))
6132 ;; This is a MIME bounce.
6133 (mm-insert-part (car (last handles)))
6134 ;; This is a non-MIME bounce, so we try to remove things
6136 (mm-insert-part handles)
6138 (goto-char (point-min))
6139 (search-forward "\n\n" nil t)
6140 (if (or (and (re-search-forward message-unsent-separator nil t)
6142 (re-search-forward "^Return-Path:.*\n" nil t))
6143 ;; We remove everything before the bounced mail.
6146 (if (re-search-forward "^[^ \n\t]+:" nil t)
6149 (when (re-search-backward "^.?From .*\n" nil t)
6150 (delete-region (match-beginning 0) (match-end 0)))))
6151 (mm-enable-multibyte)
6154 (message-narrow-to-head-1)
6155 (message-remove-header message-ignored-bounced-headers t)
6156 (goto-char (point-max))
6157 (insert mail-header-separator))
6158 (message-position-point)))
6161 ;;; Interactive entry points for new message buffers.
6165 (defun message-mail-other-window (&optional to subject)
6166 "Like `message-mail' command, but display mail buffer in another window."
6168 (unless (message-mail-user-agent)
6169 (let ((pop-up-windows t)
6170 (special-display-buffer-names nil)
6171 (special-display-regexps nil)
6172 (same-window-buffer-names nil)
6173 (same-window-regexps nil))
6174 (message-pop-to-buffer (message-buffer-name "mail" to))))
6175 (let ((message-this-is-mail t))
6176 (message-setup `((To . ,(or to "")) (Subject . ,(or subject "")))
6177 nil nil 'switch-to-buffer-other-window)))
6180 (defun message-mail-other-frame (&optional to subject)
6181 "Like `message-mail' command, but display mail buffer in another frame."
6183 (unless (message-mail-user-agent)
6184 (let ((pop-up-frames t)
6185 (special-display-buffer-names nil)
6186 (special-display-regexps nil)
6187 (same-window-buffer-names nil)
6188 (same-window-regexps nil))
6189 (message-pop-to-buffer (message-buffer-name "mail" to))))
6190 (let ((message-this-is-mail t))
6191 (message-setup `((To . ,(or to "")) (Subject . ,(or subject "")))
6192 nil nil 'switch-to-buffer-other-frame)))
6195 (defun message-news-other-window (&optional newsgroups subject)
6196 "Start editing a news article to be sent."
6198 (let ((pop-up-windows t)
6199 (special-display-buffer-names nil)
6200 (special-display-regexps nil)
6201 (same-window-buffer-names nil)
6202 (same-window-regexps nil))
6203 (message-pop-to-buffer (message-buffer-name "posting" nil newsgroups)))
6204 (let ((message-this-is-news t))
6205 (message-setup `((Newsgroups . ,(or newsgroups ""))
6206 (Subject . ,(or subject ""))))))
6209 (defun message-news-other-frame (&optional newsgroups subject)
6210 "Start editing a news article to be sent."
6212 (let ((pop-up-frames t)
6213 (special-display-buffer-names nil)
6214 (special-display-regexps nil)
6215 (same-window-buffer-names nil)
6216 (same-window-regexps nil))
6217 (message-pop-to-buffer (message-buffer-name "posting" nil newsgroups)))
6218 (let ((message-this-is-news t))
6219 (message-setup `((Newsgroups . ,(or newsgroups ""))
6220 (Subject . ,(or subject ""))))))
6224 ;; This code should be moved to underline.el (from which it is stolen).
6227 (defun bold-region (start end)
6228 "Bold all nonblank characters in the region.
6229 Works by overstriking characters.
6230 Called from program, takes two arguments START and END
6231 which specify the range to operate on."
6234 (let ((end1 (make-marker)))
6235 (move-marker end1 (max start end))
6236 (goto-char (min start end))
6237 (while (< (point) end1)
6238 (or (looking-at "[_\^@- ]")
6239 (insert (char-after) "\b"))
6240 (forward-char 1)))))
6243 (defun unbold-region (start end)
6244 "Remove all boldness (overstruck characters) in the region.
6245 Called from program, takes two arguments START and END
6246 which specify the range to operate on."
6249 (let ((end1 (make-marker)))
6250 (move-marker end1 (max start end))
6251 (goto-char (min start end))
6252 (while (re-search-forward "\b" end1 t)
6253 (if (eq (char-after) (char-after (- (point) 2)))
6254 (delete-char -2))))))
6256 (defalias 'message-exchange-point-and-mark 'exchange-point-and-mark)
6257 (defalias 'message-make-overlay 'make-overlay)
6258 (defalias 'message-delete-overlay 'delete-overlay)
6259 (defalias 'message-overlay-put 'overlay-put)
6260 (defun message-kill-all-overlays ()
6261 (if (featurep 'xemacs)
6262 (map-extents (lambda (extent ignore) (delete-extent extent)))
6263 (mapcar #'delete-overlay (overlays-in (point-min) (point-max)))))
6265 ;; Support for toolbar
6267 (defvar tool-bar-map)
6268 (defvar tool-bar-mode))
6270 (defun message-tool-bar-local-item-from-menu (command icon in-map &optional from-map &rest props)
6271 ;; We need to make tool bar entries in local keymaps with
6272 ;; `tool-bar-local-item-from-menu' in Emacs > 21.3
6273 (if (fboundp 'tool-bar-local-item-from-menu)
6274 ;; This is for Emacs 21.3
6275 (tool-bar-local-item-from-menu command icon in-map from-map props)
6276 (tool-bar-add-item-from-menu command icon from-map props)))
6278 (defun message-tool-bar-map ()
6279 (or message-tool-bar-map
6280 (setq message-tool-bar-map
6282 (condition-case nil (require 'tool-bar) (error nil))
6283 (fboundp 'tool-bar-add-item-from-menu)
6285 (let ((tool-bar-map (copy-keymap tool-bar-map))
6286 (load-path (mm-image-load-path)))
6287 ;; Zap some items which aren't so relevant and take
6289 (dolist (key '(print-buffer kill-buffer save-buffer
6290 write-file dired open-file))
6291 (define-key tool-bar-map (vector key) nil))
6292 (message-tool-bar-local-item-from-menu
6293 'message-send-and-exit "mail_send" tool-bar-map message-mode-map)
6294 (message-tool-bar-local-item-from-menu
6295 'message-kill-buffer "close" tool-bar-map message-mode-map)
6296 (message-tool-bar-local-item-from-menu
6297 'message-dont-send "cancel" tool-bar-map message-mode-map)
6298 (message-tool-bar-local-item-from-menu
6299 'mml-attach-file "attach" tool-bar-map mml-mode-map)
6300 (message-tool-bar-local-item-from-menu
6301 'ispell-message "spell" tool-bar-map message-mode-map)
6302 (message-tool-bar-local-item-from-menu
6303 'mml-preview "preview"
6304 tool-bar-map mml-mode-map)
6305 (message-tool-bar-local-item-from-menu
6306 'message-insert-importance-high "important"
6307 tool-bar-map message-mode-map)
6308 (message-tool-bar-local-item-from-menu
6309 'message-insert-importance-low "unimportant"
6310 tool-bar-map message-mode-map)
6311 (message-tool-bar-local-item-from-menu
6312 'message-insert-disposition-notification-to "receipt"
6313 tool-bar-map message-mode-map)
6316 ;;; Group name completion.
6318 (defcustom message-newgroups-header-regexp
6319 "^\\(Newsgroups\\|Followup-To\\|Posted-To\\|Gcc\\):"
6320 "Regexp that match headers that lists groups."
6324 (defcustom message-completion-alist
6325 (list (cons message-newgroups-header-regexp 'message-expand-group)
6326 '("^\\(Resent-\\)?\\(To\\|B?Cc\\):" . message-expand-name)
6327 '("^\\(Reply-To\\|From\\|Mail-Followup-To\\|Mail-Copies-To\\):"
6328 . message-expand-name)
6329 '("^\\(Disposition-Notification-To\\|Return-Receipt-To\\):"
6330 . message-expand-name))
6331 "Alist of (RE . FUN). Use FUN for completion on header lines matching RE."
6333 :type '(alist :key-type regexp :value-type function))
6335 (defcustom message-tab-body-function nil
6336 "*Function to execute when `message-tab' (TAB) is executed in the body.
6337 If nil, the function bound in `text-mode-map' or `global-map' is executed."
6341 (defun message-tab ()
6342 "Complete names according to `message-completion-alist'.
6343 Execute function specified by `message-tab-body-function' when not in
6346 (let ((alist message-completion-alist))
6348 (let ((mail-abbrev-mode-regexp (caar alist)))
6349 (not (mail-abbrev-in-expansion-header-p))))
6350 (setq alist (cdr alist)))
6351 (funcall (or (cdar alist) message-tab-body-function
6352 (lookup-key text-mode-map "\t")
6353 (lookup-key global-map "\t")
6354 'indent-relative))))
6356 (defun message-expand-group ()
6357 "Expand the group name under point."
6358 (let* ((b (save-excursion
6363 (skip-chars-forward "^:")
6366 (skip-chars-backward "^, \t\n") (point))))
6367 (completion-ignore-case t)
6368 (string (buffer-substring b (progn (skip-chars-forward "^,\t\n ")
6370 (hashtb (and (boundp 'gnus-active-hashtb) gnus-active-hashtb))
6371 (completions (all-completions string hashtb))
6373 (delete-region b (point))
6375 ((= (length completions) 1)
6376 (if (string= (car completions) string)
6379 (message "Only matching group"))
6380 (insert (car completions))))
6381 ((and (setq comp (try-completion string hashtb))
6382 (not (string= comp string)))
6387 (message "No matching groups")
6388 (save-selected-window
6389 (pop-to-buffer "*Completions*")
6390 (buffer-disable-undo)
6391 (let ((buffer-read-only nil))
6393 (let ((standard-output (current-buffer)))
6394 (display-completion-list (sort completions 'string<)))
6395 (goto-char (point-min))
6396 (delete-region (point) (progn (forward-line 3) (point))))))))))
6398 (defun message-expand-name ()
6399 (if (fboundp 'bbdb-complete-name)
6400 (bbdb-complete-name)
6405 (defun message-talkative-question (ask question show &rest text)
6406 "Call FUNCTION with argument QUESTION; optionally display TEXT... args.
6407 If SHOW is non-nil, the arguments TEXT... are displayed in a temp buffer.
6408 The following arguments may contain lists of values."
6410 (setq text (message-flatten-list text)))
6411 (save-window-excursion
6413 (with-output-to-temp-buffer " *MESSAGE information message*"
6414 (set-buffer " *MESSAGE information message*")
6415 (fundamental-mode) ; for Emacs 20.4+
6416 (mapcar 'princ text)
6417 (goto-char (point-min))))
6418 (funcall ask question))
6419 (funcall ask question)))
6421 (defun message-flatten-list (list)
6422 "Return a new, flat list that contains all elements of LIST.
6424 \(message-flatten-list '(1 (2 3 (4 5 (6))) 7))
6427 (apply 'append (mapcar 'message-flatten-list list)))
6431 (defun message-generate-new-buffer-clone-locals (name &optional varstr)
6432 "Create and return a buffer with name based on NAME using `generate-new-buffer'.
6433 Then clone the local variables and values from the old buffer to the
6434 new one, cloning only the locals having a substring matching the
6436 (let ((oldbuf (current-buffer)))
6438 (set-buffer (generate-new-buffer name))
6439 (message-clone-locals oldbuf varstr)
6442 (defun message-clone-locals (buffer &optional varstr)
6443 "Clone the local variables from BUFFER to the current buffer."
6444 (let ((locals (save-excursion
6446 (buffer-local-variables)))
6447 (regexp "^gnus\\|^nn\\|^message\\|^user-mail-address"))
6450 (when (and (consp local)
6452 (string-match regexp (symbol-name (car local)))
6454 (string-match varstr (symbol-name (car local)))))
6456 (set (make-local-variable (car local))
6464 (defvar message-inhibit-body-encoding nil)
6466 (defun message-encode-message-body ()
6467 (unless message-inhibit-body-encoding
6468 (let ((mail-parse-charset (or mail-parse-charset
6469 message-default-charset))
6470 (case-fold-search t)
6471 lines content-type-p)
6474 (narrow-to-region (point) (point-max))
6475 (let ((new (mml-generate-mime)))
6477 (delete-region (point-min) (point-max))
6479 (goto-char (point-min))
6480 (if (eq (aref new 0) ?\n)
6482 (search-forward "\n\n")
6483 (setq lines (buffer-substring (point-min) (1- (point))))
6484 (delete-region (point-min) (point))))))
6486 (message-narrow-to-headers-or-head)
6487 (message-remove-header "Mime-Version")
6488 (goto-char (point-max))
6489 (insert "MIME-Version: 1.0\n")
6492 (setq content-type-p
6494 (re-search-backward "^Content-Type:" nil t))))
6496 (message-narrow-to-headers-or-head)
6497 (message-remove-first-header "Content-Type")
6498 (message-remove-first-header "Content-Transfer-Encoding"))
6499 ;; We always make sure that the message has a Content-Type
6500 ;; header. This is because some broken MTAs and MUAs get
6501 ;; awfully confused when confronted with a message with a
6502 ;; MIME-Version header and without a Content-Type header. For
6503 ;; instance, Solaris' /usr/bin/mail.
6504 (unless content-type-p
6505 (goto-char (point-min))
6506 ;; For unknown reason, MIME-Version doesn't exist.
6507 (when (re-search-forward "^MIME-Version:" nil t)
6509 (insert "Content-Type: text/plain; charset=us-ascii\n"))))))
6511 (defun message-read-from-minibuffer (prompt &optional initial-contents)
6512 "Read from the minibuffer while providing abbrev expansion."
6513 (if (fboundp 'mail-abbrevs-setup)
6514 (let ((mail-abbrev-mode-regexp "")
6515 (minibuffer-setup-hook 'mail-abbrevs-setup)
6516 (minibuffer-local-map message-minibuffer-local-map))
6517 (read-from-minibuffer prompt initial-contents))
6518 (let ((minibuffer-setup-hook 'mail-abbrev-minibuffer-setup-hook)
6519 (minibuffer-local-map message-minibuffer-local-map))
6520 (read-string prompt initial-contents))))
6522 (defun message-use-alternative-email-as-from ()
6523 (require 'mail-utils)
6524 (let* ((fields '("To" "Cc"))
6527 (mail-strip-quoted-names
6528 (mapconcat 'message-fetch-reply-field fields ","))
6532 (if (string-match message-alternative-emails (car emails))
6533 (setq email (car emails)
6536 (unless (or (not email) (equal email user-mail-address))
6537 (goto-char (point-max))
6538 (insert "From: " email "\n"))))
6540 (defun message-options-get (symbol)
6541 (cdr (assq symbol message-options)))
6543 (defun message-options-set (symbol value)
6544 (let ((the-cons (assq symbol message-options)))
6547 (setcdr the-cons value)
6548 (setq message-options (delq the-cons message-options)))
6550 (push (cons symbol value) message-options))))
6553 (defun message-options-set-recipient ()
6555 (message-narrow-to-headers-or-head)
6556 (message-options-set 'message-sender
6557 (mail-strip-quoted-names
6558 (message-fetch-field "from")))
6559 (message-options-set 'message-recipients
6560 (mail-strip-quoted-names
6561 (let ((to (message-fetch-field "to"))
6562 (cc (message-fetch-field "cc"))
6563 (bcc (message-fetch-field "bcc")))
6566 (if (and to cc) ", ")
6568 (if (and (or to cc) bcc) ", ")
6571 (defun message-hide-headers ()
6572 "Hide headers based on the `message-hidden-headers' variable."
6573 (let ((regexps (if (stringp message-hidden-headers)
6574 (list message-hidden-headers)
6575 message-hidden-headers))
6576 (inhibit-point-motion-hooks t)
6577 (after-change-functions nil))
6581 (message-narrow-to-headers)
6582 (goto-char (point-min))
6584 (if (not (message-hide-header-p regexps))
6585 (message-next-header)
6586 (let ((begin (point)))
6587 (message-next-header)
6588 (add-text-properties
6590 '(invisible t message-hidden t))))))))))
6592 (defun message-hide-header-p (regexps)
6595 (when (eq (car regexps) 'not)
6598 (dolist (regexp regexps)
6599 (setq result (or result (looking-at regexp))))
6604 (when (featurep 'xemacs)
6605 (require 'messagexmas)
6606 (message-xmas-redefine))
6610 (run-hooks 'message-load-hook)
6613 ;; coding: iso-8859-1
6616 ;;; message.el ends here