1 ;;; message.el --- composing mail and news messages
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; Keywords: mail, news
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
28 ;; This mode provides mail-sending facilities from within Emacs. It
29 ;; consists mainly of large chunks of code from the sendmail.el,
30 ;; gnus-msg.el and rnewspost.el files.
36 (defvar gnus-message-group-art)
37 (defvar gnus-list-identifiers) ; gnus-sum is required where necessary
42 ;; This is apparently necessary even though things are autoloaded.
43 ;; Because we dynamically bind mail-abbrev-mode-regexp, we'd better
44 ;; require mailabbrev here.
45 (if (featurep 'xemacs)
46 (require 'mail-abbrevs)
47 (require 'mailabbrev))
52 (defgroup message '((user-mail-address custom-variable)
53 (user-full-name custom-variable))
54 "Mail and news message composing."
55 :link '(custom-manual "(message)Top")
59 (put 'user-mail-address 'custom-type 'string)
60 (put 'user-full-name 'custom-type 'string)
62 (defgroup message-various nil
63 "Various Message Variables."
64 :link '(custom-manual "(message)Various Message Variables")
67 (defgroup message-buffers nil
69 :link '(custom-manual "(message)Message Buffers")
72 (defgroup message-sending nil
74 :link '(custom-manual "(message)Sending Variables")
77 (defgroup message-interface nil
79 :link '(custom-manual "(message)Interface")
82 (defgroup message-forwarding nil
84 :link '(custom-manual "(message)Forwarding")
85 :group 'message-interface)
87 (defgroup message-insertion nil
89 :link '(custom-manual "(message)Insertion")
92 (defgroup message-headers nil
94 :link '(custom-manual "(message)Message Headers")
97 (defgroup message-news nil
98 "Composing News Messages."
101 (defgroup message-mail nil
102 "Composing Mail Messages."
105 (defgroup message-faces nil
106 "Faces used for message composing."
110 (defcustom message-directory "~/Mail/"
111 "*Directory from which all other mail file variables are derived."
112 :group 'message-various
115 (defcustom message-max-buffers 10
116 "*How many buffers to keep before starting to kill them off."
117 :group 'message-buffers
120 (defcustom message-send-rename-function nil
121 "Function called to rename the buffer after sending it."
122 :group 'message-buffers
123 :type '(choice function (const nil)))
125 (defcustom message-fcc-handler-function 'message-output
126 "*A function called to save outgoing articles.
127 This function will be called with the name of the file to store the
128 article in. The default function is `message-output' which saves in Unix
130 :type '(radio (function-item message-output)
131 (function :tag "Other"))
132 :group 'message-sending)
134 (defcustom message-fcc-externalize-attachments nil
135 "If non-nil, attachments are included as external parts in Fcc copies."
138 :group 'message-sending)
140 (defcustom message-courtesy-message
141 "The following message is a courtesy copy of an article\nthat has been posted to %s as well.\n\n"
142 "*This is inserted at the start of a mailed copy of a posted message.
143 If the string contains the format spec \"%s\", the Newsgroups
144 the article has been posted to will be inserted there.
145 If this variable is nil, no such courtesy message will be added."
146 :group 'message-sending
147 :type '(radio string (const nil)))
149 (defcustom message-ignored-bounced-headers
150 "^\\(Received\\|Return-Path\\|Delivered-To\\):"
151 "*Regexp that matches headers to be removed in resent bounced mail."
152 :group 'message-interface
156 (defcustom message-from-style 'default
157 "*Specifies how \"From\" headers look.
159 If nil, they contain just the return address like:
161 If `parens', they look like:
162 king@grassland.com (Elvis Parsley)
163 If `angles', they look like:
164 Elvis Parsley <king@grassland.com>
166 Otherwise, most addresses look like `angles', but they look like
167 `parens' if `angles' would need quoting and `parens' would not."
168 :type '(choice (const :tag "simple" nil)
172 :group 'message-headers)
174 (defcustom message-insert-canlock t
175 "Whether to insert a Cancel-Lock header in news postings."
177 :group 'message-headers
180 (defcustom message-syntax-checks
181 (if message-insert-canlock '((sender . disabled)) nil)
182 ;; Guess this one shouldn't be easy to customize...
183 "*Controls what syntax checks should not be performed on outgoing posts.
184 To disable checking of long signatures, for instance, add
185 `(signature . disabled)' to this list.
187 Don't touch this variable unless you really know what you're doing.
189 Checks include `subject-cmsg', `multiple-headers', `sendsys',
190 `message-id', `from', `long-lines', `control-chars', `size',
191 `new-text', `quoting-style', `redirected-followup', `signature',
192 `approved', `sender', `empty', `empty-headers', `message-id', `from',
193 `subject', `shorten-followup-to', `existing-newsgroups',
194 `buffer-file-name', `unchanged', `newsgroups', `reply-to',
195 `continuation-headers', `long-header-lines', `invisible-text' and
198 :type '(repeat sexp)) ; Fixme: improve this
200 (defcustom message-required-headers '((optional . References)
202 "*Headers to be generated or prompted for when sending a message.
203 Also see `message-required-news-headers' and
204 `message-required-mail-headers'."
207 :group 'message-headers
208 :link '(custom-manual "(message)Message Headers")
209 :type '(repeat sexp))
211 (defcustom message-draft-headers '(References From)
212 "*Headers to be generated when saving a draft message."
215 :group 'message-headers
216 :link '(custom-manual "(message)Message Headers")
217 :type '(repeat sexp))
219 (defcustom message-required-news-headers
220 '(From Newsgroups Subject Date Message-ID
221 (optional . Organization)
222 (optional . User-Agent))
223 "*Headers to be generated or prompted for when posting an article.
224 RFC977 and RFC1036 require From, Date, Newsgroups, Subject,
225 Message-ID. Organization, Lines, In-Reply-To, Expires, and
226 User-Agent are optional. If don't you want message to insert some
227 header, remove it from this list."
229 :group 'message-headers
230 :link '(custom-manual "(message)Message Headers")
231 :type '(repeat sexp))
233 (defcustom message-required-mail-headers
234 '(From Subject Date (optional . In-Reply-To) Message-ID
235 (optional . User-Agent))
236 "*Headers to be generated or prompted for when mailing a message.
237 It is recommended that From, Date, To, Subject and Message-ID be
238 included. Organization and User-Agent are optional."
240 :group 'message-headers
241 :link '(custom-manual "(message)Message Headers")
242 :type '(repeat sexp))
244 (defcustom message-deletable-headers '(Message-ID Date Lines)
245 "Headers to be deleted if they already exist and were generated by message previously."
246 :group 'message-headers
247 :link '(custom-manual "(message)Message Headers")
250 (defcustom message-ignored-news-headers
251 "^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:\\|^X-Draft-From:\\|^X-Gnus-Agent-Meta-Information:"
252 "*Regexp of headers to be removed unconditionally before posting."
254 :group 'message-headers
255 :link '(custom-manual "(message)Message Headers")
256 :type '(repeat :value-to-internal (lambda (widget value)
257 (custom-split-regexp-maybe value))
258 :match (lambda (widget value)
260 (widget-editable-list-match widget value)))
263 (defcustom message-ignored-mail-headers
264 "^[GF]cc:\\|^Resent-Fcc:\\|^Xref:\\|^X-Draft-From:\\|^X-Gnus-Agent-Meta-Information:"
265 "*Regexp of headers to be removed unconditionally before mailing."
267 :group 'message-headers
268 :link '(custom-manual "(message)Mail Headers")
271 (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:"
272 "*Header lines matching this regexp will be deleted before posting.
273 It's best to delete old Path and Date headers before posting to avoid
275 :group 'message-interface
276 :link '(custom-manual "(message)Superseding")
277 :type '(repeat :value-to-internal (lambda (widget value)
278 (custom-split-regexp-maybe value))
279 :match (lambda (widget value)
281 (widget-editable-list-match widget value)))
284 (defcustom message-subject-re-regexp
285 "^[ \t]*\\([Rr][Ee]\\(\\[[0-9]*\\]\\)*:[ \t]*\\)*[ \t]*"
286 "*Regexp matching \"Re: \" in the subject line."
287 :group 'message-various
288 :link '(custom-manual "(message)Message Headers")
291 ;;; Start of variables adopted from `message-utils.el'.
293 (defcustom message-subject-trailing-was-query 'ask
294 "*What to do with trailing \"(was: <old subject>)\" in subject lines.
295 If nil, leave the subject unchanged. If it is the symbol `ask', query
296 the user what do do. In this case, the subject is matched against
297 `message-subject-trailing-was-ask-regexp'. If
298 `message-subject-trailing-was-query' is t, always strip the trailing
299 old subject. In this case, `message-subject-trailing-was-regexp' is
302 :type '(choice (const :tag "never" nil)
303 (const :tag "always strip" t)
305 :link '(custom-manual "(message)Message Headers")
306 :group 'message-various)
308 (defcustom message-subject-trailing-was-ask-regexp
309 "[ \t]*\\([[(]+[Ww][Aa][Ss][ \t]*.*[\])]+\\)"
310 "*Regexp matching \"(was: <old subject>)\" in the subject line.
312 The function `message-strip-subject-trailing-was' uses this regexp if
313 `message-subject-trailing-was-query' is set to the symbol `ask'. If
314 the variable is t instead of `ask', use
315 `message-subject-trailing-was-regexp' instead.
317 It is okay to create some false positives here, as the user is asked."
319 :group 'message-various
320 :link '(custom-manual "(message)Message Headers")
323 (defcustom message-subject-trailing-was-regexp
324 "[ \t]*\\((*[Ww][Aa][Ss]:[ \t]*.*)\\)"
325 "*Regexp matching \"(was: <old subject>)\" in the subject line.
327 If `message-subject-trailing-was-query' is set to t, the subject is
328 matched against `message-subject-trailing-was-regexp' in
329 `message-strip-subject-trailing-was'. You should use a regexp creating very
330 few false positives here."
332 :group 'message-various
333 :link '(custom-manual "(message)Message Headers")
336 ;;; marking inserted text
338 (defcustom message-mark-insert-begin
339 "--8<---------------cut here---------------start------------->8---\n"
340 "How to mark the beginning of some inserted text."