1 ;;; message.el --- composing mail and news messages
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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
41 ;; This is apparently necessary even though things are autoloaded.
42 ;; Because we dynamically bind mail-abbrev-mode-regexp, we'd better
43 ;; require mailabbrev here.
44 (if (featurep 'xemacs)
45 (require 'mail-abbrevs)
46 (require 'mailabbrev))
51 (defgroup message '((user-mail-address custom-variable)
52 (user-full-name custom-variable))
53 "Mail and news message composing."
54 :link '(custom-manual "(message)Top")
58 (put 'user-mail-address 'custom-type 'string)
59 (put 'user-full-name 'custom-type 'string)
61 (defgroup message-various nil
62 "Various Message Variables"
63 :link '(custom-manual "(message)Various Message Variables")
66 (defgroup message-buffers nil
68 :link '(custom-manual "(message)Message Buffers")
71 (defgroup message-sending nil
73 :link '(custom-manual "(message)Sending Variables")
76 (defgroup message-interface nil
78 :link '(custom-manual "(message)Interface")
81 (defgroup message-forwarding nil
83 :link '(custom-manual "(message)Forwarding")
84 :group 'message-interface)
86 (defgroup message-insertion nil
88 :link '(custom-manual "(message)Insertion")
91 (defgroup message-headers nil
93 :link '(custom-manual "(message)Message Headers")
96 (defgroup message-news nil
97 "Composing News Messages"
100 (defgroup message-mail nil
101 "Composing Mail Messages"
104 (defgroup message-faces nil
105 "Faces used for message composing."
109 (defcustom message-directory "~/Mail/"
110 "*Directory from which all other mail file variables are derived."
111 :group 'message-various
114 (defcustom message-max-buffers 10
115 "*How many buffers to keep before starting to kill them off."
116 :group 'message-buffers
119 (defcustom message-send-rename-function nil
120 "Function called to rename the buffer after sending it."
121 :group 'message-buffers
122 :type '(choice function (const nil)))
124 (defcustom message-fcc-handler-function 'message-output
125 "*A function called to save outgoing articles.
126 This function will be called with the name of the file to store the
127 article in. The default function is `message-output' which saves in Unix
129 :type '(radio (function-item message-output)
130 (function :tag "Other"))
131 :group 'message-sending)
133 (defcustom message-fcc-externalize-attachments nil
134 "If non-nil, attachments are included as external parts in Fcc copies."
137 :group 'message-sending)
139 (defcustom message-courtesy-message
140 "The following message is a courtesy copy of an article\nthat has been posted to %s as well.\n\n"
141 "*This is inserted at the start of a mailed copy of a posted message.
142 If the string contains the format spec \"%s\", the Newsgroups
143 the article has been posted to will be inserted there.
144 If this variable is nil, no such courtesy message will be added."
145 :group 'message-sending
146 :type '(radio string (const nil)))
148 (defcustom message-ignored-bounced-headers
149 "^\\(Received\\|Return-Path\\|Delivered-To\\):"
150 "*Regexp that matches headers to be removed in resent bounced mail."
151 :group 'message-interface
155 (defcustom message-from-style 'default
156 "*Specifies how \"From\" headers look.
158 If nil, they contain just the return address like:
160 If `parens', they look like:
161 king@grassland.com (Elvis Parsley)
162 If `angles', they look like:
163 Elvis Parsley <king@grassland.com>
165 Otherwise, most addresses look like `angles', but they look like
166 `parens' if `angles' would need quoting and `parens' would not."
167 :type '(choice (const :tag "simple" nil)
171 :group 'message-headers)
173 (defcustom message-insert-canlock t
174 "Whether to insert a Cancel-Lock header in news postings."
176 :group 'message-headers
179 (defcustom message-syntax-checks
180 (if message-insert-canlock '((sender . disabled)) nil)
181 ;; Guess this one shouldn't be easy to customize...
182 "*Controls what syntax checks should not be performed on outgoing posts.
183 To disable checking of long signatures, for instance, add
184 `(signature . disabled)' to this list.
186 Don't touch this variable unless you really know what you're doing.
188 Checks include `subject-cmsg', `multiple-headers', `sendsys',
189 `message-id', `from', `long-lines', `control-chars', `size',
190 `new-text', `quoting-style', `redirected-followup', `signature',
191 `approved', `sender', `empty', `empty-headers', `message-id', `from',
192 `subject', `shorten-followup-to', `existing-newsgroups',
193 `buffer-file-name', `unchanged', `newsgroups', `reply-to',
194 `continuation-headers', `long-header-lines', `invisible-text' and
197 :type '(repeat sexp)) ; Fixme: improve this
199 (defcustom message-required-headers '((optional . References)
201 "*Headers to be generated or prompted for when sending a message.
202 Also see `message-required-news-headers' and
203 `message-required-mail-headers'."
206 :group 'message-headers
207 :link '(custom-manual "(message)Message Headers")
208 :type '(repeat sexp))
210 (defcustom message-draft-headers '(References From)
211 "*Headers to be generated when saving a draft message."
214 :group 'message-headers
215 :link '(custom-manual "(message)Message Headers")
216 :type '(repeat sexp))
218 (defcustom message-required-news-headers
219 '(From Newsgroups Subject Date Message-ID
220 (optional . Organization)
221 (optional . User-Agent))
222 "*Headers to be generated or prompted for when posting an article.
223 RFC977 and RFC1036 require From, Date, Newsgroups, Subject,
224 Message-ID. Organization, Lines, In-Reply-To, Expires, and
225 User-Agent are optional. If don't you want message to insert some
226 header, remove it from this list."
228 :group 'message-headers
229 :link '(custom-manual "(message)Message Headers")
230 :type '(repeat sexp))
232 (defcustom message-required-mail-headers
233 '(From Subject Date (optional . In-Reply-To) Message-ID
234 (optional . User-Agent))
235 "*Headers to be generated or prompted for when mailing a message.
236 It is recommended that From, Date, To, Subject and Message-ID be
237 included. Organization and User-Agent are optional."
239 :group 'message-headers
240 :link '(custom-manual "(message)Message Headers")
241 :type '(repeat sexp))
243 (defcustom message-deletable-headers '(Message-ID Date Lines)
244 "Headers to be deleted if they already exist and were generated by message previously."
245 :group 'message-headers
246 :link '(custom-manual "(message)Message Headers")
249 (defcustom message-ignored-news-headers
250 "^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:\\|^X-Draft-From:\\|^X-Gnus-Agent-Meta-Information:"
251 "*Regexp of headers to be removed unconditionally before posting."
253 :group 'message-headers
254 :link '(custom-manual "(message)Message Headers")
255 :type '(repeat :value-to-internal (lambda (widget value)
256 (custom-split-regexp-maybe value))
257 :match (lambda (widget value)
259 (widget-editable-list-match widget value)))
262 (defcustom message-ignored-mail-headers
263 "^[GF]cc:\\|^Resent-Fcc:\\|^Xref:\\|^X-Draft-From:\\|^X-Gnus-Agent-Meta-Information:"
264 "*Regexp of headers to be removed unconditionally before mailing."
266 :group 'message-headers
267 :link '(custom-manual "(message)Mail Headers")
270 (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:\\|^X-Payment:\\|^Approved:"
271 "*Header lines matching this regexp will be deleted before posting.
272 It's best to delete old Path and Date headers before posting to avoid
274 :group 'message-interface
275 :link '(custom-manual "(message)Superseding")
276 :type '(repeat :value-to-internal (lambda (widget value)
277 (custom-split-regexp-maybe value))
278 :match (lambda (widget value)
280 (widget-editable-list-match widget value)))
283 (defcustom message-subject-re-regexp
284 "^[ \t]*\\([Rr][Ee]\\(\\[[0-9]*\\]\\)*:[ \t]*\\)*[ \t]*"
285 "*Regexp matching \"Re: \" in the subject line."
286 :group 'message-various
287 :link '(custom-manual "(message)Message Headers")
290 ;;; Start of variables adopted from `message-utils.el'.
292 (defcustom message-subject-trailing-was-query 'ask
293 "*What to do with trailing \"(was: <old subject>)\" in subject lines.
294 If nil, leave the subject unchanged. If it is the symbol `ask', query
295 the user what do do. In this case, the subject is matched against
296 `message-subject-trailing-was-ask-regexp'. If
297 `message-subject-trailing-was-query' is t, always strip the trailing
298 old subject. In this case, `message-subject-trailing-was-regexp' is
301 :type '(choice (const :tag "never" nil)
302 (const :tag "always strip" t)
304 :link '(custom-manual "(message)Message Headers")
305 :group 'message-various)
307 (defcustom message-subject-trailing-was-ask-regexp
308 "[ \t]*\\([[(]+[Ww][Aa][Ss][ \t]*.*[\])]+\\)"
309 "*Regexp matching \"(was: <old subject>)\" in the subject line.
311 The function `message-strip-subject-trailing-was' uses this regexp if
312 `message-subject-trailing-was-query' is set to the symbol `ask'. If
313 the variable is t instead of `ask', use
314 `message-subject-trailing-was-regexp' instead.
316 It is okay to create some false positives here, as the user is asked."
318 :group 'message-various
319 :link '(custom-manual "(message)Message Headers")
322 (defcustom message-subject-trailing-was-regexp
323 "[ \t]*\\((*[Ww][Aa][Ss]:[ \t]*.*)\\)"
324 "*Regexp matching \"(was: <old subject>)\" in the subject line.
326 If `message-subject-trailing-was-query' is set to t, the subject is
327 matched against `message-subject-trailing-was-regexp' in
328 `message-strip-subject-trailing-was'. You should use a regexp creating very
329 few false positives here."
331 :group 'message-various
332 :link '(custom-manual "(message)Message Headers")
335 ;; Fixme: Why are all these things autoloaded?
337 ;;; marking inserted text
340 (defcustom message-mark-insert-begin
341 "--8<---------------cut here---------------start------------->8---\n"
342 "How to mark the beginning of some inserted text."
345 :link '(custom-manual "(message)Insertion Variables")
346 :group 'message-various)
349 (defcustom message-mark-insert-end
350 "--8<---------------cut here---------------end--------------->8---\n"
351 "How to mark the end of some inserted text."
354 :link '(custom-manual "(message)Insertion Variables")
355 :group 'message-various)
358 (defcustom message-archive-header
359 "X-No-Archive: Yes\n"
360 "Header to insert when you don't want your article to be archived.
361 Archives \(such as groups.google.com\) respect this header."
364 :link '(custom-manual "(message)Header Commands")
365 :group 'message-various)
368 (defcustom message-archive-note
369 "X-No-Archive: Yes - save http://groups.google.com/"
370 "Note to insert why you wouldn't want this posting archived.
371 If nil, don't insert any text in the body."
373 :type '(radio string (const nil))
374 :link '(custom-manual "(message)Header Commands")
375 :group 'message-various)
377 ;;; Crossposts and Followups
378 ;; inspired by JoH-followup-to by Jochem Huhman <joh at gmx.de>
379 ;; new suggestions by R. Weikusat <rw at another.de>
381 (defvar message-cross-post-old-target nil
382 "Old target for cross-posts or follow-ups.")
383 (make-variable-buffer-local 'message-cross-post-old-target)
386 (defcustom message-cross-post-default t
387 "When non-nil `message-cross-post-followup-to' will perform a crosspost.
388 If nil, `message-cross-post-followup-to' will only do a followup. Note that
389 you can explicitly override this setting by calling
390 `message-cross-post-followup-to' with a prefix."
393 :group 'message-various)
396 (defcustom message-cross-post-note
397 "Crosspost & Followup-To: "
398 "Note to insert before signature to notify of cross-post and follow-up."
401 :group 'message-various)
404 (defcustom message-followup-to-note
406 "Note to insert before signature to notify of follow-up only."