--- /dev/null
+;;; message.el --- composing mail and news messages
+
+;; Copyright (C) 1996-2016 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; Keywords: mail, news
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; This mode provides mail-sending facilities from within Emacs. It
+;; consists mainly of large chunks of code from the sendmail.el,
+;; gnus-msg.el and rnewspost.el files.
+
+;;; Code:
+
+(eval-when-compile
+ (require 'cl))
+
+(require 'mailheader)
+(require 'gmm-utils)
+(require 'mail-utils)
+;; Only for the trivial macros mail-header-from, mail-header-date
+;; mail-header-references, mail-header-subject, mail-header-id
+(eval-when-compile (require 'nnheader))
+;; This is apparently necessary even though things are autoloaded.
+;; Because we dynamically bind mail-abbrev-mode-regexp, we'd better
+;; require mailabbrev here.
+(if (featurep 'xemacs)
+ (require 'mail-abbrevs)
+ (require 'mailabbrev))
+(require 'mail-parse)
+(require 'mml)
+(require 'rfc822)
+(require 'format-spec)
+(require 'dired)
+
+(autoload 'mailclient-send-it "mailclient") ;; Emacs 22 or contrib/
+
+(defvar gnus-message-group-art)
+(defvar gnus-list-identifiers) ; gnus-sum is required where necessary
+(defvar rmail-enable-mime-composing)
+
+(defgroup message '((user-mail-address custom-variable)
+ (user-full-name custom-variable))
+ "Mail and news message composing."
+ :link '(custom-manual "(message)Top")
+ :group 'mail
+ :group 'news)
+
+(put 'user-mail-address 'custom-type 'string)
+(put 'user-full-name 'custom-type 'string)
+
+(defgroup message-various nil
+ "Various Message Variables."
+ :link '(custom-manual "(message)Various Message Variables")
+ :group 'message)
+
+(defgroup message-buffers nil
+ "Message Buffers."
+ :link '(custom-manual "(message)Message Buffers")
+ :group 'message)
+
+(defgroup message-sending nil
+ "Message Sending."
+ :link '(custom-manual "(message)Sending Variables")
+ :group 'message)
+
+(defgroup message-interface nil
+ "Message Interface."
+ :link '(custom-manual "(message)Interface")
+ :group 'message)
+
+(defgroup message-forwarding nil
+ "Message Forwarding."
+ :link '(custom-manual "(message)Forwarding")
+ :group 'message-interface)
+
+(defgroup message-insertion nil
+ "Message Insertion."
+ :link '(custom-manual "(message)Insertion")
+ :group 'message)
+
+(defgroup message-headers nil
+ "Message Headers."
+ :link '(custom-manual "(message)Message Headers")
+ :group 'message)
+
+(defgroup message-news nil
+ "Composing News Messages."
+ :group 'message)
+
+(defgroup message-mail nil
+ "Composing Mail Messages."
+ :group 'message)
+
+(defgroup message-faces nil
+ "Faces used for message composing."
+ :group 'message
+ :group 'faces)
+
+(defcustom message-directory "~/Mail/"
+ "*Directory from which all other mail file variables are derived."
+ :group 'message-various
+ :type 'directory)
+
+(defcustom message-max-buffers 10
+ "*How many buffers to keep before starting to kill them off."
+ :group 'message-buffers
+ :type 'integer)
+
+(defcustom message-send-rename-function nil
+ "Function called to rename the buffer after sending it."
+ :group 'message-buffers
+ :type '(choice function (const nil)))
+
+(defcustom message-fcc-handler-function 'message-output
+ "*A function called to save outgoing articles.
+This function will be called with the name of the file to store the
+article in. The default function is `message-output' which saves in Unix
+mailbox format."
+ :type '(radio (function-item message-output)
+ (function :tag "Other"))
+ :group 'message-sending)
+
+(defcustom message-fcc-externalize-attachments nil
+ "If non-nil, attachments are included as external parts in Fcc copies."
+ :version "22.1"
+ :type 'boolean
+ :group 'message-sending)
+
+(defcustom message-courtesy-message
+ "The following message is a courtesy copy of an article\nthat has been posted to %s as well.\n\n"
+ "*This is inserted at the start of a mailed copy of a posted message.
+If the string contains the format spec \"%s\", the Newsgroups
+the article has been posted to will be inserted there.
+If this variable is nil, no such courtesy message will be added."
+ :group 'message-sending
+ :type '(radio string (const nil)))
+
+(defcustom message-ignored-bounced-headers
+ "^\\(Received\\|Return-Path\\|Delivered-To\\):"
+ "*Regexp that matches headers to be removed in resent bounced mail."
+ :group 'message-interface
+ :type 'regexp)
+
+(defcustom message-from-style 'default
+ ;; In Emacs 24.1 this defaults to the value of `mail-from-style'
+ ;; that defaults to:
+ ;; `angles' in Emacs 22.1~23.1, XEmacs 21.4, 21.5, and SXEmacs 22.1;
+ ;; `system-default' in Emacs 23.2, and 24.1
+ "Specifies how \"From\" headers look.
+
+If nil, they contain just the return address like:
+ king@grassland.com
+If `parens', they look like:
+ king@grassland.com (Elvis Parsley)
+If `angles', they look like:
+ Elvis Parsley <king@grassland.com>
+
+Otherwise, most addresses look like `angles', but they look like
+`parens' if `angles' would need quoting and `parens' would not."
+ :version "23.2"
+ :type '(choice (const :tag "simple" nil)
+ (const parens)
+ (const angles)
+ (const default))
+ :group 'message-headers)
+
+(defcustom message-insert-canlock t
+ "Whether to insert a Cancel-Lock header in news postings."
+ :version "22.1"
+ :group 'message-headers
+ :type 'boolean)
+
+(defcustom message-syntax-checks
+ (if message-insert-canlock '((sender . disabled)) nil)
+ ;; Guess this one shouldn't be easy to customize...
+ "*Controls what syntax checks should not be performed on outgoing posts.
+To disable checking of long signatures, for instance, add
+ `(signature . disabled)' to this list.
+
+Don't touch this variable unless you really know what you're doing.
+
+Checks include `approved', `bogus-recipient', `continuation-headers',
+`control-chars', `empty', `existing-newsgroups', `from', `illegible-text',
+`invisible-text', `long-header-lines', `long-lines', `message-id',
+`multiple-headers', `new-text', `newsgroups', `quoting-style',
+`repeated-newsgroups', `reply-to', `sender', `sendsys', `shoot',
+`shorten-followup-to', `signature', `size', `subject', `subject-cmsg'
+and `valid-newsgroups'."
+ :group 'message-news
+ :type '(repeat sexp)) ; Fixme: improve this
+
+(defcustom message-required-headers '((optional . References)
+ From)
+ "*Headers to be generated or prompted for when sending a message.
+Also see `message-required-news-headers' and
+`message-required-mail-headers'."
+ :version "22.1"
+ :group 'message-news
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type '(repeat sexp))
+
+(defcustom message-draft-headers '(References From Date)
+ "*Headers to be generated when saving a draft message."
+ :version "22.1"
+ :group 'message-news
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type '(repeat sexp))
+
+(defcustom message-required-news-headers
+ '(From Newsgroups Subject Date Message-ID
+ (optional . Organization)
+ (optional . User-Agent))
+ "*Headers to be generated or prompted for when posting an article.
+RFC977 and RFC1036 require From, Date, Newsgroups, Subject,
+Message-ID. Organization, Lines, In-Reply-To, Expires, and
+User-Agent are optional. If you don't want message to insert some
+header, remove it from this list."
+ :group 'message-news
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type '(repeat sexp))
+
+(defcustom message-required-mail-headers
+ '(From Subject Date (optional . In-Reply-To) Message-ID
+ (optional . User-Agent))
+ "*Headers to be generated or prompted for when mailing a message.
+It is recommended that From, Date, To, Subject and Message-ID be
+included. Organization and User-Agent are optional."
+ :group 'message-mail
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type '(repeat sexp))
+
+(defcustom message-prune-recipient-rules nil
+ "Rules for how to prune the list of recipients when doing wide replies.
+This is a list of regexps and regexp matches."
+ :version "24.1"
+ :group 'message-mail
+ :group 'message-headers
+ :link '(custom-manual "(message)Wide Reply")
+ :type '(repeat regexp))
+
+(defcustom message-deletable-headers '(Message-ID Date Lines)
+ "Headers to be deleted if they already exist and were generated by message previously."
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type 'sexp)
+
+(defcustom message-ignored-news-headers
+ "^NNTP-Posting-Host:\\|^Xref:\\|^[BGF]cc:\\|^Resent-Fcc:\\|^X-Draft-From:\\|^X-Gnus-Agent-Meta-Information:\\|^X-Message-SMTP-Method:\\|^X-Gnus-Delayed:"
+ "*Regexp of headers to be removed unconditionally before posting."
+ :group 'message-news
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type '(repeat :value-to-internal (lambda (widget value)
+ (custom-split-regexp-maybe value))
+ :match (lambda (widget value)
+ (or (stringp value)
+ (widget-editable-list-match widget value)))
+ regexp))
+
+(defcustom message-ignored-mail-headers
+ "^\\([GF]cc\\|Resent-Fcc\\|Xref\\|X-Draft-From\\|X-Gnus-Agent-Meta-Information\\):"
+ "*Regexp of headers to be removed unconditionally before mailing."
+ :group 'message-mail
+ :group 'message-headers
+ :link '(custom-manual "(message)Mail Headers")
+ :type 'regexp)
+
+(defcustom message-ignored-supersedes-headers "^Path:\\|^Date\\|^NNTP-Posting-Host:\\|^Xref:\\|^Lines:\\|^Received:\\|^X-From-Line:\\|^X-Trace:\\|^X-ID:\\|^X-Complaints-To:\\|Return-Path:\\|^Supersedes:\\|^NNTP-Posting-Date:\\|^X-Trace:\\|^X-Complaints-To:\\|^Cancel-Lock:\\|^Cancel-Key:\\|^X-Hashcash:\\|^X-Payment:\\|^Approved:\\|^Injection-Date:\\|^Injection-Info:"
+ "*Header lines matching this regexp will be deleted before posting.
+It's best to delete old Path and Date headers before posting to avoid
+any confusion."
+ :group 'message-interface
+ :link '(custom-manual "(message)Superseding")
+ :type '(repeat :value-to-internal (lambda (widget value)
+ (custom-split-regexp-maybe value))
+ :match (lambda (widget value)
+ (or (stringp value)
+ (widget-editable-list-match widget value)))
+ regexp))
+
+(defcustom message-subject-re-regexp
+ "^[ \t]*\\([Rr][Ee]\\(\\[[0-9]*\\]\\)*:[ \t]*\\)*[ \t]*"
+ "*Regexp matching \"Re: \" in the subject line."
+ :group 'message-various
+ :link '(custom-manual "(message)Message Headers")
+ :type 'regexp)
+
+;;; Start of variables adopted from `message-utils.el'.
+
+(defcustom message-subject-trailing-was-query t
+ "*What to do with trailing \"(was: <old subject>)\" in subject lines.
+If nil, leave the subject unchanged. If it is the symbol `ask', query
+the user what do do. In this case, the subject is matched against
+`message-subject-trailing-was-ask-regexp'. If
+`message-subject-trailing-was-query' is t, always strip the trailing
+old subject. In this case, `message-subject-trailing-was-regexp' is
+used."
+ :version "24.1"
+ :type '(choice (const :tag "never" nil)
+ (const :tag "always strip" t)
+ (const ask))
+ :link '(custom-manual "(message)Message Headers")
+ :group 'message-various)
+
+(defcustom message-subject-trailing-was-ask-regexp
+ "[ \t]*\\([[(]+[Ww][Aa][Ss]:?[ \t]*.*[])]+\\)"
+ "*Regexp matching \"(was: <old subject>)\" in the subject line.
+
+The function `message-strip-subject-trailing-was' uses this regexp if
+`message-subject-trailing-was-query' is set to the symbol `ask'. If
+the variable is t instead of `ask', use
+`message-subject-trailing-was-regexp' instead.
+
+It is okay to create some false positives here, as the user is asked."
+ :version "22.1"
+ :group 'message-various
+ :link '(custom-manual "(message)Message Headers")
+ :type 'regexp)
+
+(defcustom message-subject-trailing-was-regexp
+ "[ \t]*\\((*[Ww][Aa][Ss]:[ \t]*.*)\\)"
+ "*Regexp matching \"(was: <old subject>)\" in the subject line.
+
+If `message-subject-trailing-was-query' is set to t, the subject is
+matched against `message-subject-trailing-was-regexp' in
+`message-strip-subject-trailing-was'. You should use a regexp creating very
+few false positives here."
+ :version "22.1"
+ :group 'message-various
+ :link '(custom-manual "(message)Message Headers")
+ :type 'regexp)
+
+;;; marking inserted text
+
+(defcustom message-mark-insert-begin
+ "--8<---------------cut here---------------start------------->8---\n"
+ "How to mark the beginning of some inserted text."
+ :version "22.1"
+ :type 'string
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-various)
+
+(defcustom message-mark-insert-end
+ "--8<---------------cut here---------------end--------------->8---\n"
+ "How to mark the end of some inserted text."
+ :version "22.1"
+ :type 'string
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-various)
+
+(defcustom message-archive-header "X-No-Archive: Yes\n"
+ "Header to insert when you don't want your article to be archived.
+Archives \(such as groups.google.com) respect this header."
+ :version "22.1"
+ :type 'string
+ :link '(custom-manual "(message)Header Commands")
+ :group 'message-various)
+
+(defcustom message-archive-note
+ "X-No-Archive: Yes - save http://groups.google.com/"
+ "Note to insert why you wouldn't want this posting archived.
+If nil, don't insert any text in the body."
+ :version "22.1"
+ :type '(radio string (const nil))
+ :link '(custom-manual "(message)Header Commands")
+ :group 'message-various)
+
+;;; Crossposts and Followups
+;; inspired by JoH-followup-to by Jochem Huhman <joh at gmx.de>
+;; new suggestions by R. Weikusat <rw at another.de>
+
+(defvar message-cross-post-old-target nil
+ "Old target for cross-posts or follow-ups.")
+(make-variable-buffer-local 'message-cross-post-old-target)
+
+(defcustom message-cross-post-default t
+ "When non-nil `message-cross-post-followup-to' will perform a crosspost.
+If nil, `message-cross-post-followup-to' will only do a followup. Note that
+you can explicitly override this setting by calling
+`message-cross-post-followup-to' with a prefix."
+ :version "22.1"
+ :type 'boolean
+ :group 'message-various)
+
+(defcustom message-cross-post-note "Crosspost & Followup-To: "
+ "Note to insert before signature to notify of cross-post and follow-up."
+ :version "22.1"
+ :type 'string
+ :group 'message-various)
+
+(defcustom message-followup-to-note "Followup-To: "
+ "Note to insert before signature to notify of follow-up only."
+ :version "22.1"
+ :type 'string
+ :group 'message-various)
+
+(defcustom message-cross-post-note-function 'message-cross-post-insert-note
+ "Function to use to insert note about Crosspost or Followup-To.
+The function will be called with four arguments. The function should not only
+insert a note, but also ensure old notes are deleted. See the documentation
+for `message-cross-post-insert-note'."
+ :version "22.1"
+ :type 'function
+ :group 'message-various)
+
+;;; End of variables adopted from `message-utils.el'.
+
+(defcustom message-signature-separator "^-- $"
+ "Regexp matching the signature separator.
+This variable is used to strip off the signature from quoted text
+when `message-cite-function' is
+`message-cite-original-without-signature'. Most useful values
+are \"^-- $\" (strict) and \"^-- *$\" (loose; allow missing
+whitespace)."
+ :type '(choice (const :tag "strict" "^-- $")
+ (const :tag "loose" "^-- *$")
+ regexp)
+ :version "22.3" ;; Gnus 5.10.12 (changed default)
+ :link '(custom-manual "(message)Various Message Variables")
+ :group 'message-various)
+
+(defcustom message-elide-ellipsis "\n[...]\n\n"
+ "*The string which is inserted for elided text.
+This is a format-spec string, and you can use %l to say how many
+lines were removed, and %c to say how many characters were
+removed."
+ :type 'string
+ :link '(custom-manual "(message)Various Commands")
+ :group 'message-various)
+
+(defcustom message-interactive t
+ ;; In Emacs 24.1 this defaults to the value of `mail-interactive'
+ ;; that defaults to:
+ ;; `nil' in Emacs 22.1~22.3, XEmacs 21.4, 21.5, and SXEmacs 22.1;
+ ;; `t' in Emacs 23.1~24.1
+ "Non-nil means when sending a message wait for and display errors.
+A value of nil means let mailer mail back a message to report errors."
+ :version "23.2"
+ :group 'message-sending
+ :group 'message-mail
+ :link '(custom-manual "(message)Sending Variables")
+ :type 'boolean)
+
+(defcustom message-confirm-send nil
+ "When non-nil, ask for confirmation when sending a message."
+ :group 'message-sending
+ :group 'message-mail
+ :version "23.1" ;; No Gnus
+ :link '(custom-manual "(message)Sending Variables")
+ :type 'boolean)
+
+(defcustom message-generate-new-buffers 'unsent
+ "*Say whether to create a new message buffer to compose a message.
+Valid values include:
+
+nil
+ Generate the buffer name in the Message way (e.g., *mail*, *news*,
+ *mail to whom*, *news on group*, etc.) and continue editing in the
+ existing buffer of that name. If there is no such buffer, it will
+ be newly created.
+
+`unique' or t
+ Create the new buffer with the name generated in the Message way.
+
+`unsent'
+ Similar to `unique' but the buffer name begins with \"*unsent \".
+
+`standard'
+ Similar to nil but the buffer name is simpler like *mail message*.
+
+function
+ If this is a function, call that function with three parameters:
+ The type, the To address and the group name (any of these may be nil).
+ The function should return the new buffer name."
+ :version "24.1"
+ :group 'message-buffers
+ :link '(custom-manual "(message)Message Buffers")
+ :type '(choice (const nil)
+ (sexp :tag "unique" :format "unique\n" :value unique
+ :match (lambda (widget value) (memq value '(unique t))))
+ (const unsent)
+ (const standard)
+ (function :format "\n %{%t%}: %v")))
+
+(defcustom message-kill-buffer-on-exit nil
+ "*Non-nil means that the message buffer will be killed after sending a message."
+ :group 'message-buffers
+ :link '(custom-manual "(message)Message Buffers")
+ :type 'boolean)
+
+(defcustom message-kill-buffer-query t
+ "*Non-nil means that killing a modified message buffer has to be confirmed.
+This is used by `message-kill-buffer'."
+ :version "23.1" ;; No Gnus
+ :group 'message-buffers
+ :type 'boolean)
+
+(defcustom message-user-organization
+ (or (getenv "ORGANIZATION") t)
+ "String to be used as an Organization header.
+If t, use `message-user-organization-file'."
+ :group 'message-headers
+ :type '(choice string
+ (const :tag "consult file" t)))
+
+(defcustom message-user-organization-file
+ (let (orgfile)
+ (dolist (f (list "/etc/organization"
+ "/etc/news/organization"
+ "/usr/lib/news/organization"))
+ (when (file-readable-p f)
+ (setq orgfile f)))
+ orgfile)
+ "*Local news organization file."
+ :type '(choice (const nil) file)
+ :link '(custom-manual "(message)News Headers")
+ :group 'message-headers)
+
+(defcustom message-make-forward-subject-function
+ #'message-forward-subject-name-subject
+ "*List of functions called to generate subject headers for forwarded messages.
+The subject generated by the previous function is passed into each
+successive function.
+
+The provided functions are:
+
+* `message-forward-subject-author-subject' Source of article (author or
+ newsgroup), in brackets followed by the subject
+* `message-forward-subject-name-subject' Source of article (name of author
+ or newsgroup), in brackets followed by the subject
+* `message-forward-subject-fwd' Subject of article with `Fwd:' prepended
+ to it."
+ :group 'message-forwarding
+ :link '(custom-manual "(message)Forwarding")
+ :type '(radio (function-item message-forward-subject-author-subject)
+ (function-item message-forward-subject-fwd)
+ (function-item message-forward-subject-name-subject)
+ (repeat :tag "List of functions" function)))
+
+(defcustom message-forward-as-mime t
+ "*Non-nil means forward messages as an inline/rfc822 MIME section.
+Otherwise, directly inline the old message in the forwarded message."
+ :version "21.1"
+ :group 'message-forwarding
+ :link '(custom-manual "(message)Forwarding")
+ :type 'boolean)
+
+(defcustom message-forward-show-mml 'best
+ "*Non-nil means show forwarded messages as MML (decoded from MIME).
+Otherwise, forwarded messages are unchanged.
+Can also be the symbol `best' to indicate that MML should be
+used, except when it is a bad idea to use MML. One example where
+it is a bad idea is when forwarding a signed or encrypted
+message, because converting MIME to MML would invalidate the
+digital signature."
+ :version "21.1"
+ :group 'message-forwarding
+ :type '(choice (const :tag "use MML" t)
+ (const :tag "don't use MML " nil)
+ (const :tag "use MML when appropriate" best)))
+
+(defcustom message-forward-before-signature t
+ "*Non-nil means put forwarded message before signature, else after."
+ :group 'message-forwarding
+ :type 'boolean)
+
+(defcustom message-wash-forwarded-subjects nil
+ "*Non-nil means try to remove as much cruft as possible from the subject.
+Done before generating the new subject of a forward."
+ :group 'message-forwarding
+ :link '(custom-manual "(message)Forwarding")
+ :type 'boolean)
+
+(defcustom message-ignored-resent-headers
+ ;; `Delivered-To' needs to be removed because some mailers use it to
+ ;; detect loops, so if you resend a message to an address that ultimately
+ ;; comes back to you (e.g. a mailing-list to which you subscribe, in which
+ ;; case you may be removed from the list on the grounds that mail to you
+ ;; bounced with a "mailing loop" error).
+ "^Return-receipt\\|^X-Gnus\\|^Gnus-Warning:\\|^>?From \\|^Delivered-To:\
+\\|^X-Content-Length:\\|^X-UIDL:"
+ "*All headers that match this regexp will be deleted when resending a message."
+ :version "24.4"
+ :group 'message-interface
+ :link '(custom-manual "(message)Resending")
+ :type '(repeat :value-to-internal (lambda (widget value)
+ (custom-split-regexp-maybe value))
+ :match (lambda (widget value)
+ (or (stringp value)
+ (widget-editable-list-match widget value)))
+ regexp))
+
+(defcustom message-forward-ignored-headers "^Content-Transfer-Encoding:\\|^X-Gnus"
+ "*All headers that match this regexp will be deleted when forwarding a message.
+This may also be a list of regexps."
+ :version "21.1"
+ :group 'message-forwarding
+ :type '(repeat :value-to-internal (lambda (widget value)
+ (custom-split-regexp-maybe value))
+ :match (lambda (widget value)
+ (or (stringp value)
+ (widget-editable-list-match widget value)))
+ regexp))
+
+(defcustom message-forward-included-headers nil
+ "If non-nil, delete non-matching headers when forwarding a message.
+Only headers that match this regexp will be included. This
+variable should be a regexp or a list of regexps."
+ :version "25.1"
+ :group 'message-forwarding
+ :type '(repeat :value-to-internal (lambda (widget value)
+ (custom-split-regexp-maybe value))
+ :match (lambda (widget value)
+ (or (stringp value)
+ (widget-editable-list-match widget value)))
+ regexp))
+
+(defcustom message-ignored-cited-headers "."
+ "*Delete these headers from the messages you yank."
+ :group 'message-insertion
+ :link '(custom-manual "(message)Insertion Variables")
+ :type 'regexp)
+
+(defcustom message-cite-prefix-regexp
+ ;; In Emacs 24.1 this defaults to the value of
+ ;; `mail-citation-prefix-regexp'; the default value varies according
+ ;; to the Emacs version. In XEmacs 21.4 and 21.5, sendmail.el
+ ;; provides it.
+ (if (string-match "[[:digit:]]" "1")
+ ;; Support POSIX? XEmacs 21.5.27 doesn't.
+ "\\([ \t]*[_.[:word:]]+>+\\|[ \t]*[]>|]\\)+"
+ ;; ?-, ?_ or ?. MUST NOT be in syntax entry w.
+ (let (non-word-constituents)
+ (with-syntax-table text-mode-syntax-table
+ (setq non-word-constituents
+ (concat
+ (if (string-match "\\w" "_") "" "_")
+ (if (string-match "\\w" ".") "" "."))))
+ (if (equal non-word-constituents "")
+ "\\([ \t]*\\(\\w\\)+>+\\|[ \t]*[]>|]\\)+"
+ (concat "\\([ \t]*\\(\\w\\|["
+ non-word-constituents
+ "]\\)+>+\\|[ \t]*[]>|]\\)+"))))
+ "*Regexp matching the longest possible citation prefix on a line."
+ :version "24.1"
+ :group 'message-insertion
+ :link '(custom-manual "(message)Insertion Variables")
+ :type 'regexp
+ :set (lambda (symbol value)
+ (prog1
+ (custom-set-default symbol value)
+ (if (boundp 'gnus-message-cite-prefix-regexp)
+ (setq gnus-message-cite-prefix-regexp
+ (concat "^\\(?:" value "\\)"))))))
+
+(defcustom message-cancel-message "I am canceling my own article.\n"
+ "Message to be inserted in the cancel message."
+ :group 'message-interface
+ :link '(custom-manual "(message)Canceling News")
+ :type 'string)
+
+(defun message-send-mail-function ()
+ "Return suitable value for the variable `message-send-mail-function'."
+ (cond ((and (require 'sendmail)
+ (boundp 'sendmail-program)
+ sendmail-program
+ (executable-find sendmail-program))
+ 'message-send-mail-with-sendmail)
+ ((and (locate-library "smtpmail")
+ (boundp 'smtpmail-default-smtp-server)
+ smtpmail-default-smtp-server)
+ 'message-smtpmail-send-it)
+ ((locate-library "mailclient")
+ 'message-send-mail-with-mailclient)
+ (t
+ (error "Don't know how to send mail. Please customize `message-send-mail-function'"))))
+
+(defun message-default-send-mail-function ()
+ (cond ((eq send-mail-function 'smtpmail-send-it) 'message-smtpmail-send-it)
+ ((eq send-mail-function 'feedmail-send-it) 'feedmail-send-it)
+ ((eq send-mail-function 'sendmail-query-once) 'sendmail-query-once)
+ ((eq send-mail-function 'mailclient-send-it)
+ 'message-send-mail-with-mailclient)
+ (t (message-send-mail-function))))
+
+;; Useful to set in site-init.el
+(defcustom message-send-mail-function (message-default-send-mail-function)
+ "Function to call to send the current buffer as mail.
+The headers should be delimited by a line whose contents match the
+variable `mail-header-separator'.
+
+Valid values include `message-send-mail-with-sendmail'
+`message-send-mail-with-mh', `message-send-mail-with-qmail',
+`message-smtpmail-send-it', `smtpmail-send-it',
+`feedmail-send-it' and `message-send-mail-with-mailclient'. The
+default is system dependent and determined by the function
+`message-send-mail-function'.
+
+See also `send-mail-function'."
+ :type '(radio (function-item message-send-mail-with-sendmail)
+ (function-item message-send-mail-with-mh)
+ (function-item message-send-mail-with-qmail)
+ (function-item message-smtpmail-send-it)
+ (function-item smtpmail-send-it)
+ (function-item feedmail-send-it)
+ (function-item message-send-mail-with-mailclient
+ :tag "Use Mailclient package")
+ (function :tag "Other"))
+ :group 'message-sending
+ :version "23.2"
+ :initialize 'custom-initialize-default
+ :link '(custom-manual "(message)Mail Variables")
+ :group 'message-mail)
+
+(defcustom message-send-news-function 'message-send-news
+ "Function to call to send the current buffer as news.
+The headers should be delimited by a line whose contents match the
+variable `mail-header-separator'."
+ :group 'message-sending
+ :group 'message-news
+ :link '(custom-manual "(message)News Variables")
+ :type 'function)
+
+(defcustom message-reply-to-function nil
+ "If non-nil, function that should return a list of headers.
+This function should pick out addresses from the To, Cc, and From headers
+and respond with new To and Cc headers."
+ :group 'message-interface
+ :link '(custom-manual "(message)Reply")
+ :type '(choice function (const nil)))
+
+(defcustom message-wide-reply-to-function nil
+ "If non-nil, function that should return a list of headers.
+This function should pick out addresses from the To, Cc, and From headers
+and respond with new To and Cc headers."
+ :group 'message-interface
+ :link '(custom-manual "(message)Wide Reply")
+ :type '(choice function (const nil)))
+
+(defcustom message-followup-to-function nil
+ "If non-nil, function that should return a list of headers.
+This function should pick out addresses from the To, Cc, and From headers
+and respond with new To and Cc headers."
+ :group 'message-interface
+ :link '(custom-manual "(message)Followup")
+ :type '(choice function (const nil)))
+
+(defcustom message-extra-wide-headers nil
+ "If non-nil, a list of additional address headers.
+These are used when composing a wide reply."
+ :group 'message-sending
+ :type '(repeat string))
+
+(defcustom message-use-followup-to 'ask
+ "*Specifies what to do with Followup-To header.
+If nil, always ignore the header. If it is t, use its value, but
+query before using the \"poster\" value. If it is the symbol `ask',
+always query the user whether to use the value. If it is the symbol
+`use', always use the value."
+ :group 'message-interface
+ :link '(custom-manual "(message)Followup")
+ :type '(choice (const :tag "ignore" nil)
+ (const :tag "use & query" t)
+ (const use)
+ (const ask)))
+
+(defcustom message-use-mail-followup-to 'use
+ "*Specifies what to do with Mail-Followup-To header.
+If nil, always ignore the header. If it is the symbol `ask', always
+query the user whether to use the value. If it is the symbol `use',
+always use the value."
+ :version "22.1"
+ :group 'message-interface
+ :link '(custom-manual "(message)Mailing Lists")
+ :type '(choice (const :tag "ignore" nil)
+ (const use)
+ (const ask)))
+
+(defcustom message-subscribed-address-functions nil
+ "*Specifies functions for determining list subscription.
+If nil, do not attempt to determine list subscription with functions.
+If non-nil, this variable contains a list of functions which return
+regular expressions to match lists. These functions can be used in
+conjunction with `message-subscribed-regexps' and
+`message-subscribed-addresses'."
+ :version "22.1"
+ :group 'message-interface
+ :link '(custom-manual "(message)Mailing Lists")
+ :type '(repeat sexp))
+
+(defcustom message-subscribed-address-file nil
+ "*A file containing addresses the user is subscribed to.
+If nil, do not look at any files to determine list subscriptions. If
+non-nil, each line of this file should be a mailing list address."
+ :version "22.1"
+ :group 'message-interface
+ :link '(custom-manual "(message)Mailing Lists")
+ :type '(radio file (const nil)))
+
+(defcustom message-subscribed-addresses nil
+ "*Specifies a list of addresses the user is subscribed to.
+If nil, do not use any predefined list subscriptions. This list of
+addresses can be used in conjunction with
+`message-subscribed-address-functions' and `message-subscribed-regexps'."
+ :version "22.1"
+ :group 'message-interface
+ :link '(custom-manual "(message)Mailing Lists")
+ :type '(repeat string))
+
+(defcustom message-subscribed-regexps nil
+ "*Specifies a list of addresses the user is subscribed to.
+If nil, do not use any predefined list subscriptions. This list of
+regular expressions can be used in conjunction with
+`message-subscribed-address-functions' and `message-subscribed-addresses'."
+ :version "22.1"
+ :group 'message-interface
+ :link '(custom-manual "(message)Mailing Lists")
+ :type '(repeat regexp))
+
+(defcustom message-allow-no-recipients 'ask
+ "Specifies what to do when there are no recipients other than Gcc/Fcc.
+If it is the symbol `always', the posting is allowed. If it is the
+symbol `never', the posting is not allowed. If it is the symbol
+`ask', you are prompted."
+ :version "22.1"
+ :group 'message-interface
+ :link '(custom-manual "(message)Message Headers")
+ :type '(choice (const always)
+ (const never)
+ (const ask)))
+
+(defcustom message-sendmail-f-is-evil nil
+ "*Non-nil means don't add \"-f username\" to the sendmail command line.
+Doing so would be even more evil than leaving it out."
+ :group 'message-sending
+ :link '(custom-manual "(message)Mail Variables")
+ :type 'boolean)
+
+(defcustom message-sendmail-envelope-from nil
+ ;; In Emacs 24.1 this defaults to the value of `mail-envelope-from'
+ ;; if it is available, or defaults to nil. sendmail.el provides it;
+ ;; the default value is nil in all (X)Emacsen that Gnus supports.
+ "*Envelope-from when sending mail with sendmail.
+If this is nil, use `user-mail-address'. If it is the symbol
+`header', use the From: header of the message."
+ :version "23.2"
+ :type '(choice (string :tag "From name")
+ (const :tag "Use From: header from message" header)
+ (const :tag "Use `user-mail-address'" nil))
+ :link '(custom-manual "(message)Mail Variables")
+ :group 'message-sending)
+
+(defcustom message-sendmail-extra-arguments nil
+ "Additional arguments to `sendmail-program'."
+ ;; E.g. '("-a" "account") for msmtp
+ :version "23.1" ;; No Gnus
+ :type '(repeat string)
+ ;; :link '(custom-manual "(message)Mail Variables")
+ :group 'message-sending)
+
+;; qmail-related stuff
+(defcustom message-qmail-inject-program "/var/qmail/bin/qmail-inject"
+ "Location of the qmail-inject program."
+ :group 'message-sending
+ :link '(custom-manual "(message)Mail Variables")
+ :type 'file)
+
+(defcustom message-qmail-inject-args nil
+ "Arguments passed to qmail-inject programs.
+This should be a list of strings, one string for each argument.
+It may also be a function.
+
+For e.g., if you wish to set the envelope sender address so that bounces
+go to the right place or to deal with listserv's usage of that address, you
+might set this variable to (\"-f\" \"you@some.where\")."
+ :group 'message-sending
+ :link '(custom-manual "(message)Mail Variables")
+ :type '(choice (function)
+ (repeat string)))
+
+(defvar gnus-post-method)
+(defvar gnus-select-method)
+(defcustom message-post-method
+ (cond ((and (boundp 'gnus-post-method)
+ (listp gnus-post-method)
+ gnus-post-method)
+ gnus-post-method)
+ ((boundp 'gnus-select-method)
+ gnus-select-method)
+ (t '(nnspool "")))
+ "*Method used to post news.
+Note that when posting from inside Gnus, for instance, this
+variable isn't used."
+ :group 'message-news
+ :group 'message-sending
+ ;; This should be the `gnus-select-method' widget, but that might
+ ;; create a dependence to `gnus.el'.
+ :type 'sexp)
+
+(defcustom message-generate-headers-first nil
+ "Which headers should be generated before starting to compose a message.
+If t, generate all required headers. This can also be a list of headers to
+generate. The variables `message-required-news-headers' and
+`message-required-mail-headers' specify which headers to generate.
+
+Note that the variable `message-deletable-headers' specifies headers which
+are to be deleted and then re-generated before sending, so this variable
+will not have a visible effect for those headers."
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type '(choice (const :tag "None" nil)
+ (const :tag "All" t)
+ (repeat (sexp :tag "Header"))))
+
+(defcustom message-fill-column 72
+ "Column beyond which automatic line-wrapping should happen.
+Local value for message buffers. If non-nil, also turn on
+auto-fill in message buffers."
+ :group 'message-various
+ ;; :link '(custom-manual "(message)Message Headers")
+ :type '(choice (const :tag "Don't turn on auto fill" nil)
+ (integer)))
+
+(defcustom message-setup-hook nil
+ "Normal hook, run each time a new outgoing message is initialized.
+The function `message-setup' runs this hook."
+ :group 'message-various
+ :link '(custom-manual "(message)Various Message Variables")
+ :type 'hook)
+
+(defcustom message-cancel-hook nil
+ "Hook run when canceling articles."
+ :group 'message-various
+ :link '(custom-manual "(message)Various Message Variables")
+ :type 'hook)
+
+(defcustom message-signature-setup-hook nil
+ "Normal hook, run each time a new outgoing message is initialized.
+It is run after the headers have been inserted and before
+the signature is inserted."
+ :group 'message-various
+ :link '(custom-manual "(message)Various Message Variables")
+ :type 'hook)
+
+(defcustom message-mode-hook nil
+ "Hook run in message mode buffers."
+ :group 'message-various
+ :type 'hook)
+
+(defcustom message-header-hook nil
+ "Hook run in a message mode buffer narrowed to the headers."
+ :group 'message-various
+ :type 'hook)
+
+(defcustom message-header-setup-hook nil
+ "Hook called narrowed to the headers when setting up a message buffer."
+ :group 'message-various
+ :link '(custom-manual "(message)Various Message Variables")
+ :type 'hook)
+
+(defcustom message-minibuffer-local-map
+ (let ((map (make-sparse-keymap 'message-minibuffer-local-map)))
+ (set-keymap-parent map minibuffer-local-map)
+ map)
+ "Keymap for `message-read-from-minibuffer'."
+ ;; FIXME improve type.
+ :type '(restricted-sexp :match-alternatives (symbolp keymapp))
+ :version "22.1"
+ :group 'message-various)
+
+(defcustom message-citation-line-function 'message-insert-citation-line
+ "*Function called to insert the \"Whomever writes:\" line.
+
+Predefined functions include `message-insert-citation-line' and
+`message-insert-formatted-citation-line' (see the variable
+`message-citation-line-format').
+
+Note that Gnus provides a feature where the reader can click on
+`writes:' to hide the cited text. If you change this line too much,
+people who read your message will have to change their Gnus
+configuration. See the variable `gnus-cite-attribution-suffix'."
+ :type '(choice
+ (function-item :tag "plain" message-insert-citation-line)
+ (function-item :tag "formatted" message-insert-formatted-citation-line)
+ (function :tag "Other"))
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-insertion)
+
+(defcustom message-citation-line-format "On %a, %b %d %Y, %N wrote:\n"
+ "Format of the \"Whomever writes:\" line.
+
+The string is formatted using `format-spec'. The following constructs
+are replaced:
+
+ %f The full From, e.g. \"John Doe <john.doe@example.invalid>\".
+ %n The mail address, e.g. \"john.doe@example.invalid\".
+ %N The real name if present, e.g.: \"John Doe\", else fall
+ back to the mail address.
+ %F The first name if present, e.g.: \"John\", else fall
+ back to the mail address.
+ %L The last name if present, e.g.: \"Doe\".
+ %Z, %z The time zone in the numeric form, e.g.:\"+0000\".
+
+All other format specifiers are passed to `format-time-string'
+which is called using the date from the article your replying to, but
+the date in the formatted string will be expressed in the author's
+time zone as much as possible.
+Extracting the first (%F) and last name (%L) is done heuristically,
+so you should always check it yourself.
+
+Please also read the note in the documentation of
+`message-citation-line-function'."
+ :type '(choice (const :tag "Plain" "%f writes:")
+ (const :tag "Include date" "On %a, %b %d %Y, %n wrote:")
+ string)
+ :link '(custom-manual "(message)Insertion Variables")
+ :version "23.1" ;; No Gnus
+ :group 'message-insertion)
+
+(defcustom message-yank-prefix "> "
+ ;; In Emacs 24.1 this defaults to the value of `mail-yank-prefix'
+ ;; that defaults to:
+ ;; `nil' in Emacs 22.1~23.1;
+ ;; "> " in Emacs 23.2, 24.1, XEmacs 21.4, 21.5, and SXEmacs 22.1
+ "*Prefix inserted on the lines of yanked messages.
+Fix `message-cite-prefix-regexp' if it is set to an abnormal value.
+See also `message-yank-cited-prefix' and `message-yank-empty-prefix'."
+ :version "23.2"
+ :type 'string
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-insertion)
+
+(defcustom message-yank-cited-prefix ">"
+ "*Prefix inserted on cited lines of yanked messages.
+Fix `message-cite-prefix-regexp' if it is set to an abnormal value.
+See also `message-yank-prefix' and `message-yank-empty-prefix'."
+ :version "22.1"
+ :type 'string
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-insertion)
+
+(defcustom message-yank-empty-prefix ">"
+ "*Prefix inserted on empty lines of yanked messages.
+See also `message-yank-prefix' and `message-yank-cited-prefix'."
+ :version "22.1"
+ :type 'string
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-insertion)
+
+(defcustom message-indentation-spaces 3
+ ;; In Emacs 24.1 this defaults to the value of
+ ;; `mail-indentation-spaces' that defaults to `3' in Emacs 22.1~24.1,
+ ;; and SXEmacs 22.1. In XEmacs 21.4 and 21.5, sendmail.el provides
+ ;; it; the defalut value is `3'.
+ "*Number of spaces to insert at the beginning of each cited line.
+Used by `message-yank-original' via `message-yank-cite'."
+ :version "23.2"
+ :group 'message-insertion
+ :link '(custom-manual "(message)Insertion Variables")
+ :type 'integer)
+
+(defcustom message-cite-function 'message-cite-original-without-signature
+ "*Function for citing an original message.
+Predefined functions include `message-cite-original' and
+`message-cite-original-without-signature'.
+Note that these functions use `mail-citation-hook' if that is non-nil."
+ :type '(radio (function-item message-cite-original)
+ (function-item message-cite-original-without-signature)
+ (function-item sc-cite-original)
+ (function :tag "Other"))
+ :link '(custom-manual "(message)Insertion Variables")
+ :version "22.3" ;; Gnus 5.10.12 (changed default)
+ :group 'message-insertion)
+
+(defcustom message-indent-citation-function 'message-indent-citation
+ "*Function for modifying a citation just inserted in the mail buffer.
+This can also be a list of functions. Each function can find the
+citation between (point) and (mark t). And each function should leave
+point and mark around the citation text as modified."
+ :type 'function
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-insertion)
+
+(defcustom message-signature t
+ ;; In Emacs 24.1 this defaults to the value of `mail-signature' that
+ ;; defaults to:
+ ;; `nil' in Emacs 22.1~23.1, XEmacs 21.4, 21.5, and SXEmacs 22.1;
+ ;; `t' in Emacs 23.2, and 24.1
+ "*String to be inserted at the end of the message buffer.
+If t, the `message-signature-file' file will be inserted instead.
+If a function, the result from the function will be used instead.
+If a form, the result from the form will be used instead."
+ :version "23.2"
+ :type 'sexp
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-insertion)
+
+(defcustom message-signature-file "~/.signature"
+ ;; In Emacs 24.1 this defaults to the value of `mail-signature-file'
+ ;; that defaults to "~/.signature" in Emacs 22.1~24.1, and SXEmacs
+ ;; 22.1. In XEmacs 21.4 and 21.5, sendmail.el provides it;
+ ;; the defalut value is "~/.signature".
+ "*Name of file containing the text inserted at end of message buffer.
+Ignored if the named file doesn't exist.
+If nil, don't insert a signature.
+If a path is specified, the value of `message-signature-directory' is ignored,
+even if set."
+ :version "23.2"
+ :type '(choice file (const :tags "None" nil))
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-insertion)
+
+(defcustom message-signature-directory nil
+ "*Name of directory containing signature files.
+Comes in handy if you have many such files, handled via posting styles for
+instance.
+If nil, `message-signature-file' is expected to specify the directory if
+needed."
+ :type '(choice string (const :tags "None" nil))
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-insertion)
+
+(defcustom message-signature-insert-empty-line t
+ "*If non-nil, insert an empty line before the signature separator."
+ :version "22.1"
+ :type 'boolean
+ :link '(custom-manual "(message)Insertion Variables")
+ :group 'message-insertion)
+
+(defcustom message-cite-reply-position 'traditional
+ "*Where the reply should be positioned.
+If `traditional', reply inline.
+If `above', reply above quoted text.
+If `below', reply below quoted text.
+
+Note: Many newsgroups frown upon nontraditional reply styles. You
+probably want to set this variable only for specific groups,
+e.g. using `gnus-posting-styles':
+
+ (eval (set (make-local-variable \\='message-cite-reply-position) \\='above))"
+ :version "24.1"
+ :type '(choice (const :tag "Reply inline" traditional)
+ (const :tag "Reply above" above)
+ (const :tag "Reply below" below))
+ :group 'message-insertion)
+
+(defcustom message-cite-style nil
+ "*The overall style to be used when yanking cited text.
+Value is either nil (no variable overrides) or a let-style list
+of pairs (VARIABLE VALUE) that will be bound in
+`message-yank-original' to do the quoting.
+
+Presets to impersonate popular mail agents are found in the
+message-cite-style-* variables. This variable is intended for
+use in `gnus-posting-styles', such as:
+
+ ((posting-from-work-p) (eval (set (make-local-variable \\='message-cite-style) message-cite-style-outlook)))"
+ :version "24.1"
+ :group 'message-insertion
+ :type '(choice (const :tag "Do not override variables" :value nil)
+ (const :tag "MS Outlook" :value message-cite-style-outlook)
+ (const :tag "Mozilla Thunderbird" :value message-cite-style-thunderbird)
+ (const :tag "Gmail" :value message-cite-style-gmail)
+ (variable :tag "User-specified")))
+
+(defconst message-cite-style-outlook
+ '((message-cite-function 'message-cite-original)
+ (message-citation-line-function 'message-insert-formatted-citation-line)
+ (message-cite-reply-position 'above)
+ (message-yank-prefix "")
+ (message-yank-cited-prefix "")
+ (message-yank-empty-prefix "")
+ (message-citation-line-format "\n\n-----------------------\nOn %a, %b %d %Y, %N wrote:\n"))
+ "Message citation style used by MS Outlook. Use with message-cite-style.")
+
+(defconst message-cite-style-thunderbird
+ '((message-cite-function 'message-cite-original)
+ (message-citation-line-function 'message-insert-formatted-citation-line)
+ (message-cite-reply-position 'above)
+ (message-yank-prefix "> ")
+ (message-yank-cited-prefix ">")
+ (message-yank-empty-prefix ">")
+ (message-citation-line-format "On %D %R %p, %N wrote:"))
+ "Message citation style used by Mozilla Thunderbird. Use with message-cite-style.")
+
+(defconst message-cite-style-gmail
+ '((message-cite-function 'message-cite-original)
+ (message-citation-line-function 'message-insert-formatted-citation-line)
+ (message-cite-reply-position 'above)
+ (message-yank-prefix " ")
+ (message-yank-cited-prefix " ")
+ (message-yank-empty-prefix " ")
+ (message-citation-line-format "On %e %B %Y %R, %f wrote:\n"))
+ "Message citation style used by Gmail. Use with message-cite-style.")
+
+(defcustom message-distribution-function nil
+ "*Function called to return a Distribution header."
+ :group 'message-news
+ :group 'message-headers
+ :link '(custom-manual "(message)News Headers")
+ :type '(choice function (const nil)))
+
+(defcustom message-expires 14
+ "Number of days before your article expires."
+ :group 'message-news
+ :group 'message-headers
+ :link '(custom-manual "(message)News Headers")
+ :type 'integer)
+
+(defcustom message-user-path nil
+ "If nil, use the NNTP server name in the Path header.
+If stringp, use this; if non-nil, use no host name (user name only)."
+ :group 'message-news
+ :group 'message-headers
+ :link '(custom-manual "(message)News Headers")
+ :type '(choice (const :tag "nntp" nil)
+ (string :tag "name")
+ (sexp :tag "none" :format "%t" t)))
+
+;; This can be the name of a buffer, or a cons cell (FUNCTION . ARGS)
+;; for yanking the original buffer.
+(defvar message-reply-buffer nil)
+(defvar message-reply-headers nil
+ "The headers of the current replied article.
+It is a vector of the following headers:
+[number subject from date id references chars lines xref extra].")
+(defvar message-newsreader nil)
+(defvar message-mailer nil)
+(defvar message-sent-message-via nil)
+(defvar message-checksum nil)
+(defvar message-send-actions nil
+ "A list of actions to be performed upon successful sending of a message.")
+(defvar message-return-action nil
+ "Action to return to the caller after sending or postponing a message.")
+(defvar message-exit-actions nil
+ "A list of actions to be performed upon exiting after sending a message.")
+(defvar message-kill-actions nil
+ "A list of actions to be performed before killing a message buffer.")
+(defvar message-postpone-actions nil
+ "A list of actions to be performed after postponing a message.")
+
+(define-widget 'message-header-lines 'text
+ "All header lines must be LFD terminated."
+ :format "%{%t%}:%n%v"
+ :valid-regexp "^\\'"
+ :error "All header lines must be newline terminated")
+
+(defcustom message-default-headers ""
+ "Header lines to be inserted in outgoing messages.
+This can be set to a string containing or a function returning
+header lines to be inserted before you edit the message, so you
+can edit or delete these lines. If set to a function, it is
+called and its result is inserted."
+ :version "23.2"
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type '(choice
+ (message-header-lines :tag "String")
+ (function :tag "Function")))
+
+(defcustom message-default-mail-headers
+ ;; Ease the transition from mail-mode to message-mode. See bugs#4431, 5555.
+ (concat (if (and (boundp 'mail-default-reply-to)
+ (stringp mail-default-reply-to))
+ (format "Reply-to: %s\n" mail-default-reply-to))
+ (if (and (boundp 'mail-self-blind)
+ mail-self-blind)
+ (format "BCC: %s\n" user-mail-address))
+ (if (and (boundp 'mail-archive-file-name)
+ (stringp mail-archive-file-name))
+ (format "FCC: %s\n" mail-archive-file-name))
+ ;; Use the value of `mail-default-headers' if available.
+ ;; Note: as for XEmacs 21.4 and 21.5, it is unavailable
+ ;; unless sendmail.el is loaded.
+ (if (boundp 'mail-default-headers)
+ mail-default-headers))
+ "*A string of header lines to be inserted in outgoing mails."
+ :version "23.2"
+ :group 'message-headers
+ :group 'message-mail
+ :link '(custom-manual "(message)Mail Headers")
+ :type 'message-header-lines)
+
+(defcustom message-default-news-headers ""
+ "*A string of header lines to be inserted in outgoing news articles."
+ :group 'message-headers
+ :group 'message-news
+ :link '(custom-manual "(message)News Headers")
+ :type 'message-header-lines)
+
+;; Note: could use /usr/ucb/mail instead of sendmail;
+;; options -t, and -v if not interactive.
+(defcustom message-mailer-swallows-blank-line
+ (if (and (string-match "sparc-sun-sunos\\(\\'\\|[^5]\\)"
+ system-configuration)
+ (file-readable-p "/etc/sendmail.cf")
+ (with-temp-buffer
+ (insert-file-contents "/etc/sendmail.cf")
+ (goto-char (point-min))
+ (let ((case-fold-search nil))
+ (re-search-forward "^OR\\>" nil t))))
+ ;; According to RFC822, "The field-name must be composed of printable
+ ;; ASCII characters (i. e., characters that have decimal values between
+ ;; 33 and 126, except colon)", i. e., any chars except ctl chars,
+ ;; space, or colon.
+ '(looking-at "[ \t]\\|[][!\"#$%&'()*+,-./0-9;<=>?@A-Z\\\\^_`a-z{|}~]+:"))
+ "*Set this non-nil if the system's mailer runs the header and body together.
+\(This problem exists on Sunos 4 when sendmail is run in remote mode.)
+The value should be an expression to test whether the problem will
+actually occur."
+ :group 'message-sending
+ :link '(custom-manual "(message)Mail Variables")
+ :type 'sexp)
+
+;;;###autoload
+(define-mail-user-agent 'message-user-agent
+ 'message-mail 'message-send-and-exit
+ 'message-kill-buffer 'message-send-hook)
+
+(defvar message-mh-deletable-headers '(Message-ID Date Lines Sender)
+ "If non-nil, delete the deletable headers before feeding to mh.")
+
+(defvar message-send-method-alist
+ '((news message-news-p message-send-via-news)
+ (mail message-mail-p message-send-via-mail))
+ "Alist of ways to send outgoing messages.
+Each element has the form
+
+ (TYPE PREDICATE FUNCTION)
+
+where TYPE is a symbol that names the method; PREDICATE is a function
+called without any parameters to determine whether the message is
+a message of type TYPE; and FUNCTION is a function to be called if
+PREDICATE returns non-nil. FUNCTION is called with one parameter --
+the prefix.")
+
+(defcustom message-mail-alias-type 'abbrev
+ "*What alias expansion type to use in Message buffers.
+The default is `abbrev', which uses mailabbrev. `ecomplete' uses
+an electric completion mode. nil switches mail aliases off.
+This can also be a list of values."
+ :group 'message
+ :link '(custom-manual "(message)Mail Aliases")
+ :type '(choice (const :tag "Use Mailabbrev" abbrev)
+ (const :tag "Use ecomplete" ecomplete)
+ (const :tag "No expansion" nil)))
+
+(defcustom message-self-insert-commands '(self-insert-command)
+ "List of `self-insert-command's used to trigger ecomplete.
+When one of those commands is invoked to enter a character in To or Cc
+header, ecomplete will suggest the candidates of recipients (see also
+`message-mail-alias-type'). If you use some tool to enter non-ASCII
+text and it replaces `self-insert-command' with the other command, e.g.
+`egg-self-insert-command', you may want to add it to this list."
+ :group 'message-various
+ :type '(repeat function))
+
+(defcustom message-auto-save-directory
+ (if (file-writable-p message-directory)
+ (file-name-as-directory (expand-file-name "drafts" message-directory))
+ "~/")
+ "*Directory where Message auto-saves buffers if Gnus isn't running.
+If nil, Message won't auto-save."
+ :group 'message-buffers
+ :link '(custom-manual "(message)Various Message Variables")
+ :type '(choice directory (const :tag "Don't auto-save" nil)))
+
+(defcustom message-default-charset
+ (and (not (mm-multibyte-p)) 'iso-8859-1)
+ "Default charset used in non-MULE Emacsen.
+If nil, you might be asked to input the charset."
+ :version "21.1"
+ :group 'message
+ :link '(custom-manual "(message)Various Message Variables")
+ :type 'symbol)
+
+(defcustom message-dont-reply-to-names
+ (and (boundp 'mail-dont-reply-to-names) mail-dont-reply-to-names)
+ "*Addresses to prune when doing wide replies.
+This can be a regexp or a list of regexps. Also, a value of nil means
+exclude your own user name only."
+ :version "24.3"
+ :group 'message
+ :link '(custom-manual "(message)Wide Reply")
+ :type '(choice (const :tag "Yourself" nil)
+ regexp
+ (repeat :tag "Regexp List" regexp)))
+
+(defsubst message-dont-reply-to-names ()
+ (gmm-regexp-concat message-dont-reply-to-names))
+
+(defvar message-shoot-gnksa-feet nil
+ "*A list of GNKSA feet you are allowed to shoot.
+Gnus gives you all the opportunity you could possibly want for
+shooting yourself in the foot. Also, Gnus allows you to shoot the
+feet of Good Net-Keeping Seal of Approval. The following are foot
+candidates:
+`empty-article' Allow you to post an empty article;
+`quoted-text-only' Allow you to post quoted text only;
+`multiple-copies' Allow you to post multiple copies;
+`cancel-messages' Allow you to cancel or supersede messages from
+ your other email addresses;
+`canlock-verify' Allow you to cancel messages without verifying canlock.")
+
+(defsubst message-gnksa-enable-p (feature)
+ (or (not (listp message-shoot-gnksa-feet))
+ (memq feature message-shoot-gnksa-feet)))
+
+(defcustom message-hidden-headers '("^References:" "^Face:" "^X-Face:"
+ "^X-Draft-From:")
+ "Regexp of headers to be hidden when composing new messages.
+This can also be a list of regexps to match headers. Or a list
+starting with `not' and followed by regexps."
+ :version "22.1"
+ :group 'message
+ :link '(custom-manual "(message)Message Headers")
+ :type '(choice
+ :format "%{%t%}: %[Value Type%] %v"
+ (regexp :menu-tag "regexp" :format "regexp\n%t: %v")
+ (repeat :menu-tag "(regexp ...)" :format "(regexp ...)\n%v%i"
+ (regexp :format "%t: %v"))
+ (cons :menu-tag "(not regexp ...)" :format "(not regexp ...)\n%v"
+ (const not)
+ (repeat :format "%v%i"
+ (regexp :format "%t: %v")))))
+
+(defcustom message-cite-articles-with-x-no-archive t
+ "If non-nil, cite text from articles that has X-No-Archive set."
+ :group 'message
+ :type 'boolean)
+
+;;; Internal variables.
+;;; Well, not really internal.
+
+(defvar message-mode-syntax-table
+ (let ((table (copy-syntax-table text-mode-syntax-table)))
+ (modify-syntax-entry ?% ". " table)
+ (modify-syntax-entry ?> ". " table)
+ (modify-syntax-entry ?< ". " table)
+ table)
+ "Syntax table used while in Message mode.")
+
+(defface message-header-to
+ '((((class color)
+ (background dark))
+ (:foreground "DarkOliveGreen1" :bold t))
+ (((class color)
+ (background light))
+ (:foreground "MidnightBlue" :bold t))
+ (t
+ (:bold t :italic t)))
+ "Face used for displaying From headers."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-header-to-face 'face-alias 'message-header-to)
+(put 'message-header-to-face 'obsolete-face "22.1")
+
+(defface message-header-cc
+ '((((class color)
+ (background dark))
+ (:foreground "chartreuse1" :bold t))
+ (((class color)
+ (background light))
+ (:foreground "MidnightBlue"))
+ (t
+ (:bold t)))
+ "Face used for displaying Cc headers."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-header-cc-face 'face-alias 'message-header-cc)
+(put 'message-header-cc-face 'obsolete-face "22.1")
+
+(defface message-header-subject
+ '((((class color)
+ (background dark))
+ (:foreground "OliveDrab1"))
+ (((class color)
+ (background light))
+ (:foreground "navy blue" :bold t))
+ (t
+ (:bold t)))
+ "Face used for displaying subject headers."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-header-subject-face 'face-alias 'message-header-subject)
+(put 'message-header-subject-face 'obsolete-face "22.1")
+
+(defface message-header-newsgroups
+ '((((class color)
+ (background dark))
+ (:foreground "yellow" :bold t :italic t))
+ (((class color)
+ (background light))
+ (:foreground "blue4" :bold t :italic t))
+ (t
+ (:bold t :italic t)))
+ "Face used for displaying newsgroups headers."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-header-newsgroups-face 'face-alias 'message-header-newsgroups)
+(put 'message-header-newsgroups-face 'obsolete-face "22.1")
+
+(defface message-header-other
+ '((((class color)
+ (background dark))
+ (:foreground "VioletRed1"))
+ (((class color)
+ (background light))
+ (:foreground "steel blue"))
+ (t
+ (:bold t :italic t)))
+ "Face used for displaying newsgroups headers."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-header-other-face 'face-alias 'message-header-other)
+(put 'message-header-other-face 'obsolete-face "22.1")
+
+(defface message-header-name
+ '((((class color)
+ (background dark))
+ (:foreground "green"))
+ (((class color)
+ (background light))
+ (:foreground "cornflower blue"))
+ (t
+ (:bold t)))
+ "Face used for displaying header names."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-header-name-face 'face-alias 'message-header-name)
+(put 'message-header-name-face 'obsolete-face "22.1")
+
+(defface message-header-xheader
+ '((((class color)
+ (background dark))
+ (:foreground "DeepSkyBlue1"))
+ (((class color)
+ (background light))
+ (:foreground "blue"))
+ (t
+ (:bold t)))
+ "Face used for displaying X-Header headers."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-header-xheader-face 'face-alias 'message-header-xheader)
+(put 'message-header-xheader-face 'obsolete-face "22.1")
+
+(defface message-separator
+ '((((class color)
+ (background dark))
+ (:foreground "LightSkyBlue1"))
+ (((class color)
+ (background light))
+ (:foreground "brown"))
+ (t
+ (:bold t)))
+ "Face used for displaying the separator."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-separator-face 'face-alias 'message-separator)
+(put 'message-separator-face 'obsolete-face "22.1")
+
+(defface message-cited-text
+ '((((class color)
+ (background dark))
+ (:foreground "LightPink1"))
+ (((class color)
+ (background light))
+ (:foreground "red"))
+ (t
+ (:bold t)))
+ "Face used for displaying cited text names."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-cited-text-face 'face-alias 'message-cited-text)
+(put 'message-cited-text-face 'obsolete-face "22.1")
+
+(defface message-mml
+ '((((class color)
+ (background dark))
+ (:foreground "MediumSpringGreen"))
+ (((class color)
+ (background light))
+ (:foreground "ForestGreen"))
+ (t
+ (:bold t)))
+ "Face used for displaying MML."
+ :group 'message-faces)
+;; backward-compatibility alias
+(put 'message-mml-face 'face-alias 'message-mml)
+(put 'message-mml-face 'obsolete-face "22.1")
+
+(defun message-font-lock-make-header-matcher (regexp)
+ (let ((form
+ `(lambda (limit)
+ (let ((start (point)))
+ (save-restriction
+ (widen)
+ (goto-char (point-min))
+ (if (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "$")
+ nil t)
+ (setq limit (min limit (match-beginning 0))))
+ (goto-char start))
+ (and (< start limit)
+ (re-search-forward ,regexp limit t))))))
+ (if (featurep 'bytecomp)
+ (byte-compile form)
+ form)))
+
+(defvar message-font-lock-keywords
+ (let ((content "[ \t]*\\(.+\\(\n[ \t].*\\)*\\)\n?"))
+ `((,(message-font-lock-make-header-matcher
+ (concat "^\\([Tt]o:\\)" content))
+ (1 'message-header-name)
+ (2 'message-header-to nil t))
+ (,(message-font-lock-make-header-matcher
+ (concat "^\\(^[GBF]?[Cc][Cc]:\\|^[Rr]eply-[Tt]o:\\)" content))
+ (1 'message-header-name)
+ (2 'message-header-cc nil t))
+ (,(message-font-lock-make-header-matcher
+ (concat "^\\([Ss]ubject:\\)" content))
+ (1 'message-header-name)
+ (2 'message-header-subject nil t))
+ (,(message-font-lock-make-header-matcher
+ (concat "^\\([Nn]ewsgroups:\\|Followup-[Tt]o:\\)" content))
+ (1 'message-header-name)
+ (2 'message-header-newsgroups nil t))
+ (,(message-font-lock-make-header-matcher
+ (concat "^\\(X-[A-Za-z0-9-]+:\\|In-Reply-To:\\)" content))
+ (1 'message-header-name)
+ (2 'message-header-xheader))
+ (,(message-font-lock-make-header-matcher
+ (concat "^\\([A-Z][^: \n\t]+:\\)" content))
+ (1 'message-header-name)
+ (2 'message-header-other nil t))
+ ,@(if (and mail-header-separator
+ (not (equal mail-header-separator "")))
+ `((,(concat "^\\(" (regexp-quote mail-header-separator) "\\)$")
+ 1 'message-separator))
+ nil)
+ ((lambda (limit)
+ (re-search-forward (concat "^\\("
+ message-cite-prefix-regexp
+ "\\).*")
+ limit t))
+ (0 'message-cited-text))
+ ("<#/?\\(multipart\\|part\\|external\\|mml\\|secure\\)[^>]*>"
+ (0 'message-mml))))
+ "Additional expressions to highlight in Message mode.")
+
+
+;; XEmacs does it like this. For Emacs, we have to set the
+;; `font-lock-defaults' buffer-local variable.
+(put 'message-mode 'font-lock-defaults '(message-font-lock-keywords t))
+
+(defvar message-face-alist
+ '((bold . message-bold-region)
+ (underline . underline-region)
+ (default . (lambda (b e)
+ (message-unbold-region b e)
+ (ununderline-region b e))))
+ "Alist of mail and news faces for facemenu.
+The cdr of each entry is a function for applying the face to a region.")
+
+(defcustom message-send-hook nil
+ "Hook run before sending messages.
+This hook is run quite early when sending."
+ :group 'message-various
+ :options '(ispell-message)
+ :link '(custom-manual "(message)Various Message Variables")
+ :type 'hook)
+
+(defcustom message-send-mail-hook nil
+ "Hook run before sending mail messages.
+This hook is run very late -- just before the message is sent as
+mail."
+ :group 'message-various
+ :link '(custom-manual "(message)Various Message Variables")
+ :type 'hook)
+
+(defcustom message-send-news-hook nil
+ "Hook run before sending news messages.
+This hook is run very late -- just before the message is sent as
+news."
+ :group 'message-various
+ :link '(custom-manual "(message)Various Message Variables")
+ :type 'hook)
+
+(defcustom message-sent-hook nil
+ "Hook run after sending messages."
+ :group 'message-various
+ :type 'hook)
+
+(defvar message-send-coding-system 'binary
+ "Coding system to encode outgoing mail.")
+
+(defvar message-draft-coding-system
+ mm-auto-save-coding-system
+ "*Coding system to compose mail.
+If you'd like to make it possible to share draft files between XEmacs
+and Emacs, you may use `iso-2022-7bit' for this value at your own risk.
+Note that the coding-system `iso-2022-7bit' isn't suitable to all data.")
+
+(defcustom message-send-mail-partially-limit nil
+ "The limitation of messages sent as message/partial.
+The lower bound of message size in characters, beyond which the message
+should be sent in several parts. If it is nil, the size is unlimited."
+ :version "24.1"
+ :group 'message-buffers
+ :link '(custom-manual "(message)Mail Variables")
+ :type '(choice (const :tag "unlimited" nil)
+ (integer 1000000)))
+
+(defcustom message-alternative-emails nil
+ "*Regexp matching alternative email addresses.
+The first address in the To, Cc or From headers of the original
+article matching this variable is used as the From field of
+outgoing messages.
+
+This variable has precedence over posting styles and anything that runs
+off `message-setup-hook'."
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type '(choice (const :tag "Always use primary" nil)
+ regexp))
+
+(defcustom message-hierarchical-addresses nil
+ "A list of hierarchical mail address definitions.
+
+Inside each entry, the first address is the \"top\" address, and
+subsequent addresses are subaddresses; this is used to indicate that
+mail sent to the first address will automatically be delivered to the
+subaddresses. So if the first address appears in the recipient list
+for a message, the subaddresses will be removed (if present) before
+the mail is sent. All addresses in this structure should be
+downcased."
+ :version "22.1"
+ :group 'message-headers
+ :type '(repeat (repeat string)))
+
+(defcustom message-mail-user-agent nil
+ "Like `mail-user-agent'.
+Except if it is nil, use Gnus native MUA; if it is t, use
+`mail-user-agent'."
+ :version "22.1"
+ :type '(radio (const :tag "Gnus native"
+ :format "%t\n"
+ nil)
+ (const :tag "`mail-user-agent'"
+ :format "%t\n"
+ t)
+ (function-item :tag "Default Emacs mail"
+ :format "%t\n"
+ sendmail-user-agent)
+ (function-item :tag "Emacs interface to MH"
+ :format "%t\n"
+ mh-e-user-agent)
+ (function :tag "Other"))
+ :version "21.1"
+ :group 'message)
+
+(defcustom message-wide-reply-confirm-recipients nil
+ "Whether to confirm a wide reply to multiple email recipients.
+If this variable is nil, don't ask whether to reply to all recipients.
+If this variable is non-nil, pose the question \"Reply to all
+recipients?\" before a wide reply to multiple recipients. If the user
+answers yes, reply to all recipients as usual. If the user answers
+no, only reply back to the author."
+ :version "22.1"
+ :group 'message-headers
+ :link '(custom-manual "(message)Wide Reply")
+ :type 'boolean)
+
+(defcustom message-user-fqdn nil
+ "*Domain part of Message-Ids."
+ :version "22.1"
+ :group 'message-headers
+ :link '(custom-manual "(message)News Headers")
+ :type '(radio (const :format "%v " nil)
+ (string :format "FQDN: %v")))
+
+(defcustom message-use-idna
+ (and (or (mm-coding-system-p 'utf-8)
+ (condition-case nil
+ (let (mucs-ignore-version-incompatibilities)
+ (require 'un-define))
+ (error)))
+ (condition-case nil
+ (require 'idna)
+ (file-error)
+ (invalid-operation))
+ idna-program
+ (executable-find idna-program)
+ (string= (idna-to-ascii "räksmörgås") "xn--rksmrgs-5wao1o")
+ t)
+ "Whether to encode non-ASCII in domain names into ASCII according to IDNA.
+GNU Libidn, and in particular the elisp package \"idna.el\" and
+the external program \"idn\", must be installed for this
+functionality to work."
+ :version "22.1"
+ :group 'message-headers
+ :link '(custom-manual "(message)IDNA")
+ :type '(choice (const :tag "Ask" ask)
+ (const :tag "Never" nil)
+ (const :tag "Always" t)))
+
+(defcustom message-generate-hashcash (if (executable-find "hashcash") 'opportunistic)
+ "*Whether to generate X-Hashcash: headers.
+If t, always generate hashcash headers. If `opportunistic',
+only generate hashcash headers if it can be done without the user
+waiting (i.e., only asynchronously).
+
+You must have the \"hashcash\" binary installed, see `hashcash-path'."
+ :version "24.1"
+ :group 'message-headers
+ :link '(custom-manual "(message)Mail Headers")
+ :type '(choice (const :tag "Always" t)
+ (const :tag "Never" nil)
+ (const :tag "Opportunistic" opportunistic)))
+
+;;; Internal variables.
+
+(defvar message-sending-message "Sending...")
+(defvar message-buffer-list nil)
+(defvar message-this-is-news nil)
+(defvar message-this-is-mail nil)
+(defvar message-draft-article nil)
+(defvar message-mime-part nil)
+(defvar message-posting-charset nil)
+(defvar message-inserted-headers nil)
+(defvar message-inhibit-ecomplete nil)
+
+;; Byte-compiler warning
+(defvar gnus-active-hashtb)
+(defvar gnus-read-active-file)
+
+;;; Regexp matching the delimiter of messages in UNIX mail format
+;;; (UNIX From lines), minus the initial ^. It should be a copy
+;;; of rmail.el's rmail-unix-mail-delimiter.
+(defvar message-unix-mail-delimiter
+ (let ((time-zone-regexp
+ (concat "\\([A-Z]?[A-Z]?[A-Z][A-Z]\\( DST\\)?"
+ "\\|[-+]?[0-9][0-9][0-9][0-9]"
+ "\\|"
+ "\\) *")))
+ (concat
+ "From "
+
+ ;; Many things can happen to an RFC 822 mailbox before it is put into
+ ;; a `From' line. The leading phrase can be stripped, e.g.
+ ;; `Joe <@w.x:joe@y.z>' -> `<@w.x:joe@y.z>'. The <> can be stripped, e.g.
+ ;; `<@x.y:joe@y.z>' -> `@x.y:joe@y.z'. Everything starting with a CRLF
+ ;; can be removed, e.g.
+ ;; From: joe@y.z (Joe K
+ ;; User)
+ ;; can yield `From joe@y.z (Joe K Fri Mar 22 08:11:15 1996', and
+ ;; From: Joe User
+ ;; <joe@y.z>
+ ;; can yield `From Joe User Fri Mar 22 08:11:15 1996'.
+ ;; The mailbox can be removed or be replaced by white space, e.g.
+ ;; From: "Joe User"{space}{tab}
+ ;; <joe@y.z>
+ ;; can yield `From {space}{tab} Fri Mar 22 08:11:15 1996',
+ ;; where {space} and {tab} represent the Ascii space and tab characters.
+ ;; We want to match the results of any of these manglings.
+ ;; The following regexp rejects names whose first characters are
+ ;; obviously bogus, but after that anything goes.
+ "\\([^\0-\b\n-\r\^?].*\\)?"
+
+ ;; The time the message was sent.
+ "\\([^\0-\r \^?]+\\) +" ; day of the week
+ "\\([^\0-\r \^?]+\\) +" ; month
+ "\\([0-3]?[0-9]\\) +" ; day of month
+ "\\([0-2][0-9]:[0-5][0-9]\\(:[0-6][0-9]\\)?\\) *" ; time of day
+
+ ;; Perhaps a time zone, specified by an abbreviation, or by a
+ ;; numeric offset.
+ time-zone-regexp
+
+ ;; The year.
+ " \\([0-9][0-9]+\\) *"
+
+ ;; On some systems the time zone can appear after the year, too.
+ time-zone-regexp
+
+ ;; Old uucp cruft.
+ "\\(remote from .*\\)?"
+
+ "\n"))
+ "Regexp matching the delimiter of messages in UNIX mail format.")
+
+(defvar message-unsent-separator
+ (concat "^ *---+ +Unsent message follows +---+ *$\\|"
+ "^ *---+ +Returned message +---+ *$\\|"
+ "^Start of returned message$\\|"
+ "^ *---+ +Original message +---+ *$\\|"
+ "^ *--+ +begin message +--+ *$\\|"
+ "^ *---+ +Original message follows +---+ *$\\|"
+ "^ *---+ +Undelivered message follows +---+ *$\\|"
+ "^------ This is a copy of the message, including all the headers. ------ *$\\|"
+ "^|? *---+ +Message text follows: +---+ *|?$")
+ "A regexp that matches the separator before the text of a failed message.")
+
+(defvar message-field-fillers
+ '((To message-fill-field-address)
+ (Cc message-fill-field-address)
+ (From message-fill-field-address))
+ "Alist of header names/filler functions.")
+
+(defvar message-header-format-alist
+ `((From)
+ (Newsgroups)
+ (To)
+ (Cc)
+ (Subject)
+ (In-Reply-To)
+ (Fcc)
+ (Bcc)
+ (Date)
+ (Organization)
+ (Distribution)
+ (Lines)
+ (Expires)
+ (Message-ID)
+ (References . message-shorten-references)
+ (User-Agent))
+ "Alist used for formatting headers.")
+
+(defvar message-options nil
+ "Some saved answers when sending message.")
+;; FIXME: On XEmacs this causes problems since let-binding like:
+;; (let ((message-options message-options)) ...)
+;; as in `message-send' and `mml-preview' loses to buffer-local
+;; variable initialization.
+(unless (featurep 'xemacs)
+ (make-variable-buffer-local 'message-options))
+
+(defvar message-send-mail-real-function nil
+ "Internal send mail function.")
+
+(defvar message-bogus-system-names "\\`localhost\\.\\|\\.local\\'"
+ "The regexp of bogus system names.")
+
+(defcustom message-valid-fqdn-regexp
+ (concat "[a-z0-9][-.a-z0-9]+\\." ;; [hostname.subdomain.]domain.
+ ;; valid TLDs:
+ "\\([a-z][a-z]\\|" ;; two letter country TDLs
+ "aero\\|arpa\\|asia\\|bitnet\\|biz\\|bofh\\|"
+ "cat\\|com\\|coop\\|edu\\|gov\\|"
+ "info\\|int\\|jobs\\|"
+ "mil\\|mobi\\|museum\\|name\\|net\\|"
+ "org\\|pro\\|tel\\|travel\\|uucp\\|"
+ ;; ICANN-era generic top-level domains
+ "academy\\|actor\\|agency\\|airforce\\|archi\\|associates\\|axa\\|"
+ "bar\\|bargains\\|bayern\\|beer\\|berlin\\|best\\|bid\\|bike\\|"
+ "biz\\|black\\|blackfriday\\|blue\\|boutique\\|build\\|builders\\|"
+ "buzz\\|cab\\|camera\\|camp\\|capital\\|cards\\|care\\|career\\|"
+ "careers\\|cash\\|catering\\|center\\|ceo\\|cheap\\|christmas\\|"
+ "church\\|citic\\|cleaning\\|clinic\\|clothing\\|club\\|codes\\|"
+ "coffee\\|college\\|cologne\\|com\\|community\\|company\\|computer\\|"
+ "construction\\|contractors\\|cooking\\|cool\\|country\\|creditcard\\|"
+ "cruises\\|dance\\|dating\\|democrat\\|dental\\|desi\\|design\\|"
+ "diamonds\\|directory\\|discount\\|domains\\|education\\|email\\|"
+ "engineering\\|enterprises\\|equipment\\|estate\\|eus\\|events\\|"
+ "exchange\\|expert\\|exposed\\|fail\\|farm\\|feedback\\|finance\\|"
+ "financial\\|fish\\|fishing\\|fitness\\|flights\\|florist\\|foo\\|"
+ "foundation\\|frogans\\|fund\\|furniture\\|futbol\\|gal\\|"
+ "gallery\\|gift\\|glass\\|globo\\|gmo\\|gop\\|graphics\\|gratis\\|"
+ "gripe\\|guide\\|guitars\\|guru\\|hamburg\\|haus\\|hiphop\\|"
+ "holdings\\|holiday\\|homes\\|horse\\|house\\|immobilien\\|"
+ "industries\\|info\\|ink\\|institute\\|insure\\|international\\|"
+ "investments\\|jetzt\\|juegos\\|kaufen\\|kim\\|kitchen\\|kiwi\\|"
+ "koeln\\|kred\\|land\\|lat\\|latino\\|lease\\|life\\|lighting\\|"
+ "limited\\|limo\\|link\\|loans\\|london\\|luxe\\|luxury\\|"
+ "management\\|mango\\|marketing\\|media\\|meet\\|menu\\|miami\\|"
+ "moda\\|moe\\|monash\\|moscow\\|motorcycles\\|nagoya\\|name\\|"
+ "net\\|neustar\\|ninja\\|nyc\\|okinawa\\|onl\\|org\\|paris\\|"
+ "partners\\|parts\\|photo\\|photography\\|photos\\|pics\\|"
+ "pictures\\|pink\\|plumbing\\|pro\\|productions\\|properties\\|"
+ "pub\\|qpon\\|quebec\\|recipes\\|red\\|reisen\\|ren\\|rentals\\|"
+ "repair\\|report\\|rest\\|reviews\\|rich\\|rocks\\|rodeo\\|"
+ "ruhr\\|ryukyu\\|saarland\\|schule\\|scot\\|services\\|sexy\\|"
+ "shiksha\\|shoes\\|singles\\|social\\|sohu\\|solar\\|solutions\\|"
+ "soy\\|supplies\\|supply\\|support\\|surgery\\|systems\\|tattoo\\|"
+ "tax\\|technology\\|tienda\\|tips\\|today\\|tokyo\\|tools\\|"
+ "town\\|toys\\|trade\\|training\\|university\\|uno\\|vacations\\|"
+ "vegas\\|ventures\\|viajes\\|villas\\|vision\\|vodka\\|vote\\|"
+ "voting\\|voto\\|voyage\\|wang\\|watch\\|webcam\\|wed\\|wien\\|"
+ "wiki\\|works\\|wtc\\|wtf\\|xyz\\|yachts\\|yokohama\\|you\\|"
+ "zone\\)")
+ ;; http://en.wikipedia.org/wiki/List_of_Internet_top-level_domains
+ ;; http://en.wikipedia.org/wiki/GTLD
+ ;; `approved, but not yet in operation': .xxx
+ ;; "dead" nato bitnet uucp
+ "Regular expression that matches a valid FQDN."
+ ;; see also: gnus-button-valid-fqdn-regexp
+ :version "25.1"
+ :group 'message-headers
+ :type 'regexp)
+
+(autoload 'gnus-alive-p "gnus-util")
+(autoload 'gnus-delay-article "gnus-delay")
+(autoload 'gnus-extract-address-components "gnus-util")
+(autoload 'gnus-find-method-for-group "gnus")
+(autoload 'gnus-group-decoded-name "gnus-group")
+(autoload 'gnus-group-name-charset "gnus-group")
+(autoload 'gnus-group-name-decode "gnus-group")
+(autoload 'gnus-groups-from-server "gnus")
+(autoload 'gnus-make-local-hook "gnus-util")
+(autoload 'gnus-open-server "gnus-int")
+(autoload 'gnus-output-to-mail "gnus-util")
+(autoload 'gnus-output-to-rmail "gnus-util")
+(autoload 'gnus-request-post "gnus-int")
+(autoload 'gnus-select-frame-set-input-focus "gnus-util")
+(autoload 'gnus-server-string "gnus")
+(autoload 'idna-to-ascii "idna")
+(autoload 'message-setup-toolbar "messagexmas")
+(autoload 'mh-new-draft-name "mh-comp")
+(autoload 'mh-send-letter "mh-comp")
+(autoload 'nndraft-request-associate-buffer "nndraft")
+(autoload 'nndraft-request-expire-articles "nndraft")
+(autoload 'nnvirtual-find-group-art "nnvirtual")
+(autoload 'rmail-msg-is-pruned "rmail")
+(autoload 'rmail-output "rmailout")
+
+;; Emacs < 24.1 do not have mail-dont-reply-to
+(unless (fboundp 'mail-dont-reply-to)
+ (defalias 'mail-dont-reply-to 'rmail-dont-reply-to))
+
+(eval-and-compile
+ (if (featurep 'emacs)
+ (progn
+ (defun message-kill-all-overlays ()
+ (mapcar #'delete-overlay (overlays-in (point-min) (point-max))))
+ (defalias 'message-window-inside-pixel-edges
+ 'window-inside-pixel-edges))
+ (defun message-kill-all-overlays ()
+ (map-extents (lambda (extent ignore) (delete-extent extent))))
+ (defalias 'message-window-inside-pixel-edges 'ignore)))
+
+\f
+
+;;;
+;;; Utility functions.
+;;;
+
+(defmacro message-y-or-n-p (question show &rest text)
+ "Ask QUESTION, displaying remaining args in a temporary buffer if SHOW."
+ `(message-talkative-question 'y-or-n-p ,question ,show ,@text))
+
+(defmacro message-delete-line (&optional n)
+ "Delete the current line (and the next N lines)."
+ `(delete-region (progn (beginning-of-line) (point))
+ (progn (forward-line ,(or n 1)) (point))))
+
+(defun message-mark-active-p ()
+ "Non-nil means the mark and region are currently active in this buffer."
+ mark-active)
+
+(defun message-unquote-tokens (elems)
+ "Remove double quotes (\") from strings in list ELEMS."
+ (mapcar (lambda (item)
+ (while (string-match "^\\(.*\\)\"\\(.*\\)$" item)
+ (setq item (concat (match-string 1 item)
+ (match-string 2 item))))
+ item)
+ elems))
+
+(defun message-tokenize-header (header &optional separator)
+ "Split HEADER into a list of header elements.
+SEPARATOR is a string of characters to be used as separators. \",\"
+is used by default."
+ (if (not header)
+ nil
+ (let ((regexp (format "[%s]+" (or separator ",")))
+ (first t)
+ beg quoted elems paren)
+ (with-temp-buffer
+ (mm-enable-multibyte)
+ (setq beg (point-min))
+ (insert header)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (if first
+ (setq first nil)
+ (forward-char 1))
+ (cond ((and (> (point) beg)
+ (or (eobp)
+ (and (looking-at regexp)
+ (not quoted)
+ (not paren))))
+ (push (buffer-substring beg (point)) elems)
+ (setq beg (match-end 0)))
+ ((eq (char-after) ?\")
+ (setq quoted (not quoted)))
+ ((and (eq (char-after) ?\()
+ (not quoted))
+ (setq paren t))
+ ((and (eq (char-after) ?\))
+ (not quoted))
+ (setq paren nil))))
+ (nreverse elems)))))
+
+(autoload 'nnheader-insert-file-contents "nnheader")
+
+(defun message-mail-file-mbox-p (file)
+ "Say whether FILE looks like a Unix mbox file."
+ (when (and (file-exists-p file)
+ (file-readable-p file)
+ (file-regular-p file))
+ (with-temp-buffer
+ (nnheader-insert-file-contents file)
+ (goto-char (point-min))
+ (looking-at message-unix-mail-delimiter))))
+
+(defun message-fetch-field (header &optional not-all)
+ "The same as `mail-fetch-field', only remove all newlines.
+The buffer is expected to be narrowed to just the header of the message;
+see `message-narrow-to-headers-or-head'."
+ (let* ((inhibit-point-motion-hooks t)
+ (value (mail-fetch-field header nil (not not-all))))
+ (when value
+ (while (string-match "\n[\t ]+" value)
+ (setq value (replace-match " " t t value)))
+ value)))
+
+(defun message-field-value (header &optional not-all)
+ "The same as `message-fetch-field', only narrow to the headers first."
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers-or-head)
+ (message-fetch-field header not-all))))
+
+(defun message-narrow-to-field ()
+ "Narrow the buffer to the header on the current line."
+ (beginning-of-line)
+ (while (looking-at "[ \t]")
+ (forward-line -1))
+ (narrow-to-region
+ (point)
+ (progn
+ (forward-line 1)
+ (if (re-search-forward "^[^ \n\t]" nil t)
+ (point-at-bol)
+ (point-max))))
+ (goto-char (point-min)))
+
+(defun message-add-header (&rest headers)
+ "Add the HEADERS to the message header, skipping those already present."
+ (while headers
+ (let (hclean)
+ (unless (string-match "^\\([^:]+\\):[ \t]*[^ \t]" (car headers))
+ (error "Invalid header `%s'" (car headers)))
+ (setq hclean (match-string 1 (car headers)))
+ (save-restriction
+ (message-narrow-to-headers)
+ (unless (re-search-forward (concat "^" (regexp-quote hclean) ":") nil t)
+ (goto-char (point-max))
+ (if (string-match "\n$" (car headers))
+ (insert (car headers))
+ (insert (car headers) ?\n)))))
+ (setq headers (cdr headers))))
+
+(defmacro message-with-reply-buffer (&rest forms)
+ "Evaluate FORMS in the reply buffer, if it exists."
+ `(when (and (bufferp message-reply-buffer)
+ (buffer-name message-reply-buffer))
+ (with-current-buffer message-reply-buffer
+ ,@forms)))
+
+(put 'message-with-reply-buffer 'lisp-indent-function 0)
+(put 'message-with-reply-buffer 'edebug-form-spec '(body))
+
+(defun message-fetch-reply-field (header)
+ "Fetch field HEADER from the message we're replying to."
+ (message-with-reply-buffer
+ (save-restriction
+ (mail-narrow-to-head)
+ (message-fetch-field header))))
+
+(defun message-strip-list-identifiers (subject)
+ "Remove list identifiers in `gnus-list-identifiers' from string SUBJECT."
+ (require 'gnus-sum) ; for gnus-list-identifiers
+ (let ((regexp (if (stringp gnus-list-identifiers)
+ gnus-list-identifiers
+ (mapconcat 'identity gnus-list-identifiers " *\\|"))))
+ (if (string-match (concat "\\(\\(\\(Re: +\\)?\\(" regexp
+ " *\\)\\)+\\(Re: +\\)?\\)") subject)
+ (concat (substring subject 0 (match-beginning 1))
+ (or (match-string 3 subject)
+ (match-string 5 subject))
+ (substring subject
+ (match-end 1)))
+ subject)))
+
+(defun message-strip-subject-re (subject)
+ "Remove \"Re:\" from subject lines in string SUBJECT."
+ (if (string-match message-subject-re-regexp subject)
+ (substring subject (match-end 0))
+ subject))
+
+(defcustom message-replacement-char "."
+ "Replacement character used instead of unprintable or not decodable chars."
+ :group 'message-various
+ :version "22.1" ;; Gnus 5.10.9
+ :type '(choice string
+ (const ".")
+ (const "?")))
+
+;; FIXME: We also should call `message-strip-subject-encoded-words'
+;; when forwarding. Probably in `message-make-forward-subject' and
+;; `message-forward-make-body'.
+
+(defun message-strip-subject-encoded-words (subject)
+ "Fix non-decodable words in SUBJECT."
+ ;; Cf. `gnus-simplify-subject-fully'.
+ (let* ((case-fold-search t)
+ (replacement-chars (format "[%s%s%s]"
+ message-replacement-char
+ message-replacement-char
+ message-replacement-char))
+ (enc-word-re "=\\?\\([^?]+\\)\\?\\([QB]\\)\\?\\([^?]+\\)\\(\\?=\\)")
+ cs-string
+ (have-marker
+ (with-temp-buffer
+ (insert subject)
+ (goto-char (point-min))
+ (when (re-search-forward enc-word-re nil t)
+ (setq cs-string (match-string 1)))))
+ cs-coding q-or-b word-beg word-end)
+ (if (or (not have-marker) ;; No encoded word found...
+ ;; ... or double encoding was correct:
+ (and (stringp cs-string)
+ (setq cs-string (downcase cs-string))
+ (mm-coding-system-p (intern cs-string))
+ (not (prog1
+ (y-or-n-p
+ (format "\
+Decoded Subject \"%s\"
+contains a valid encoded word. Decode again? "
+ subject))
+ (setq cs-coding (intern cs-string))))))
+ subject
+ (with-temp-buffer
+ (insert subject)
+ (goto-char (point-min))
+ (while (re-search-forward enc-word-re nil t)
+ (setq cs-string (downcase (match-string 1))
+ q-or-b (match-string 2)
+ word-beg (match-beginning 0)
+ word-end (match-end 0))
+ (setq cs-coding
+ (if (mm-coding-system-p (intern cs-string))
+ (setq cs-coding (intern cs-string))
+ nil))
+ ;; No double encoded subject? => bogus charset.
+ (unless cs-coding
+ (setq cs-coding
+ (mm-read-coding-system
+ (gnus-format-message "\
+Decoded Subject \"%s\"
+contains an encoded word. The charset `%s' is unknown or invalid.
+Hit RET to replace non-decodable characters with \"%s\" or enter replacement
+charset: "
+ subject cs-string message-replacement-char)))
+ (if cs-coding
+ (replace-match (concat "=?" (symbol-name cs-coding)
+ "?\\2?\\3\\4\\5"))
+ (save-excursion
+ (goto-char word-beg)
+ (re-search-forward "=\\?\\([^?]+\\)\\?\\([QB]\\)\\?" word-end t)
+ (replace-match "")
+ ;; QP or base64
+ (if (string-match "\\`Q\\'" q-or-b)
+ ;; QP
+ (progn
+ (message "Replacing non-decodable characters with \"%s\"."
+ message-replacement-char)
+ (while (re-search-forward "\\(=[A-F0-9][A-F0-9]\\)+"
+ word-end t)
+ (replace-match message-replacement-char)))
+ ;; base64
+ (message "Replacing non-decodable characters with \"%s\"."
+ replacement-chars)
+ (re-search-forward "[^?]+" word-end t)
+ (replace-match replacement-chars))
+ (re-search-forward "\\?=")
+ (replace-match "")))))
+ (rfc2047-decode-region (point-min) (point-max))
+ (buffer-string)))))
+
+;;; Start of functions adopted from `message-utils.el'.
+
+(defun message-strip-subject-trailing-was (subject)
+ "Remove trailing \"(was: <old subject>)\" from SUBJECT lines.
+Leading \"Re: \" is not stripped by this function. Use the function
+`message-strip-subject-re' for this."
+ (let* ((query message-subject-trailing-was-query)
+ (new) (found))
+ (setq found
+ (string-match
+ (if (eq query 'ask)
+ message-subject-trailing-was-ask-regexp
+ message-subject-trailing-was-regexp)
+ subject))
+ (if found
+ (setq new (substring subject 0 (match-beginning 0))))
+ (if (or (not found) (eq query nil))
+ subject
+ (if (eq query 'ask)
+ (if (message-y-or-n-p
+ "Strip `(was: <old subject>)' in subject? " t
+ (concat
+ "Strip `(was: <old subject>)' in subject "
+ "and use the new one instead?\n\n"
+ "Current subject is: \""
+ subject "\"\n\n"
+ "New subject would be: \""
+ new "\"\n\n"
+ "See the variable `message-subject-trailing-was-query' "
+ "to get rid of this query."
+ ))
+ new subject)
+ new))))
+
+;;; Suggested by Jonas Steverud @ www.dtek.chalmers.se/~d4jonas/
+
+(defun message-change-subject (new-subject)
+ "Ask for NEW-SUBJECT header, append (was: <Old Subject>)."
+ (interactive
+ (list
+ (read-from-minibuffer "New subject: ")))
+ (cond ((and (not (or (null new-subject) ; new subject not empty
+ (zerop (string-width new-subject))
+ (string-match "^[ \t]*$" new-subject))))
+ (save-excursion
+ (let ((old-subject
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-fetch-field "Subject"))))
+ (cond ((not old-subject)
+ (error "No current subject"))
+ ((not (string-match
+ (concat "^[ \t]*"
+ (regexp-quote new-subject)
+ "[ \t]*$")
+ old-subject)) ; yes, it really is a new subject
+ ;; delete eventual Re: prefix
+ (setq old-subject
+ (message-strip-subject-re old-subject))
+ (message-goto-subject)
+ (message-delete-line)
+ (insert (concat "Subject: "
+ new-subject
+ " (was: "
+ old-subject ")\n")))))))))
+
+(defun message-mark-inserted-region (beg end &optional verbatim)
+ "Mark some region in the current article with enclosing tags.
+See `message-mark-insert-begin' and `message-mark-insert-end'.
+If VERBATIM, use slrn style verbatim marks (\"#v+\" and \"#v-\")."
+ (interactive "r\nP")
+ (save-excursion
+ ;; add to the end of the region first, otherwise end would be invalid
+ (goto-char end)
+ (insert (if verbatim "#v-\n" message-mark-insert-end))
+ (goto-char beg)
+ (insert (if verbatim "#v+\n" message-mark-insert-begin))))
+
+(defun message-mark-insert-file (file &optional verbatim)
+ "Insert FILE at point, marking it with enclosing tags.
+See `message-mark-insert-begin' and `message-mark-insert-end'.
+If VERBATIM, use slrn style verbatim marks (\"#v+\" and \"#v-\")."
+ (interactive "fFile to insert: \nP")
+ ;; reverse insertion to get correct result.
+ (let ((p (point)))
+ (insert (if verbatim "#v-\n" message-mark-insert-end))
+ (goto-char p)
+ (insert-file-contents file)
+ (goto-char p)
+ (insert (if verbatim "#v+\n" message-mark-insert-begin))))
+
+(defun message-add-archive-header ()
+ "Insert \"X-No-Archive: Yes\" in the header and a note in the body.
+The note can be customized using `message-archive-note'. When called with a
+prefix argument, ask for a text to insert. If you don't want the note in the
+body, set `message-archive-note' to nil."
+ (interactive)
+ (if current-prefix-arg
+ (setq message-archive-note
+ (read-from-minibuffer "Reason for No-Archive: "
+ (cons message-archive-note 0))))
+ (save-excursion
+ (if (message-goto-signature)
+ (re-search-backward message-signature-separator))
+ (when message-archive-note
+ (insert message-archive-note)
+ (newline))
+ (message-add-header message-archive-header)
+ (message-sort-headers)))
+
+(defun message-cross-post-followup-to-header (target-group)
+ "Mangles FollowUp-To and Newsgroups header to point to TARGET-GROUP.
+With prefix-argument just set Follow-Up, don't cross-post."
+ (interactive
+ (list ; Completion based on Gnus
+ (completing-read "Followup To: "
+ (if (boundp 'gnus-newsrc-alist)
+ gnus-newsrc-alist)
+ nil nil '("poster" . 0)
+ (if (boundp 'gnus-group-history)
+ 'gnus-group-history))))
+ (message-remove-header "Follow[Uu]p-[Tt]o" t)
+ (message-goto-newsgroups)
+ (beginning-of-line)
+ ;; if we already did a crosspost before, kill old target
+ (if (and message-cross-post-old-target
+ (re-search-forward
+ (regexp-quote (concat "," message-cross-post-old-target))
+ nil t))
+ (replace-match ""))
+ ;; unless (followup is to poster or user explicitly asked not
+ ;; to cross-post, or target-group is already in Newsgroups)
+ ;; add target-group to Newsgroups line.
+ (cond ((and (or
+ ;; def: cross-post, req:no
+ (and message-cross-post-default (not current-prefix-arg))
+ ;; def: no-cross-post, req:yes
+ (and (not message-cross-post-default) current-prefix-arg))
+ (not (string-match "poster" target-group))
+ (not (string-match (regexp-quote target-group)
+ (message-fetch-field "Newsgroups"))))
+ (end-of-line)
+ (insert (concat "," target-group))))
+ (end-of-line) ; ensure Followup: comes after Newsgroups:
+ ;; unless new followup would be identical to Newsgroups line
+ ;; make a new Followup-To line
+ (if (not (string-match (concat "^[ \t]*"
+ target-group
+ "[ \t]*$")
+ (message-fetch-field "Newsgroups")))
+ (insert (concat "\nFollowup-To: " target-group)))
+ (setq message-cross-post-old-target target-group))
+
+(defun message-cross-post-insert-note (target-group cross-post in-old
+ old-groups)
+ "Insert a in message body note about a set Followup or Crosspost.
+If there have been previous notes, delete them. TARGET-GROUP specifies the
+group to Followup-To. When CROSS-POST is t, insert note about
+crossposting. IN-OLD specifies whether TARGET-GROUP is a member of
+OLD-GROUPS. OLD-GROUPS lists the old-groups the posting would have
+been made to before the user asked for a Crosspost."
+ ;; start scanning body for previous uses
+ (message-goto-signature)
+ (let ((head (re-search-backward
+ (concat "^" mail-header-separator)
+ nil t))) ; just search in body
+ (message-goto-signature)
+ (while (re-search-backward
+ (concat "^" (regexp-quote message-cross-post-note) ".*")
+ head t)
+ (message-delete-line))
+ (message-goto-signature)
+ (while (re-search-backward
+ (concat "^" (regexp-quote message-followup-to-note) ".*")
+ head t)
+ (message-delete-line))
+ ;; insert new note
+ (if (message-goto-signature)
+ (re-search-backward message-signature-separator))
+ (if (or in-old
+ (not cross-post)
+ (string-match "^[ \t]*poster[ \t]*$" target-group))
+ (insert (concat message-followup-to-note target-group "\n"))
+ (insert (concat message-cross-post-note target-group "\n")))))
+
+(defun message-cross-post-followup-to (target-group)
+ "Crossposts message and set Followup-To to TARGET-GROUP.
+With prefix-argument just set Follow-Up, don't cross-post."
+ (interactive
+ (list ; Completion based on Gnus
+ (completing-read "Followup To: "
+ (if (boundp 'gnus-newsrc-alist)
+ gnus-newsrc-alist)
+ nil nil '("poster" . 0)
+ (if (boundp 'gnus-group-history)
+ 'gnus-group-history))))
+ (cond ((not (or (null target-group) ; new subject not empty
+ (zerop (string-width target-group))
+ (string-match "^[ \t]*$" target-group)))
+ (save-excursion
+ (let* ((old-groups (message-fetch-field "Newsgroups"))
+ (in-old (string-match
+ (regexp-quote target-group)
+ (or old-groups ""))))
+ ;; check whether target exactly matches old Newsgroups
+ (cond ((not old-groups)
+ (error "No current newsgroup"))
+ ((or (not in-old)
+ (not (string-match
+ (concat "^[ \t]*"
+ (regexp-quote target-group)
+ "[ \t]*$")
+ old-groups)))
+ ;; yes, Newsgroups line must change
+ (message-cross-post-followup-to-header target-group)
+ ;; insert note whether we do cross-post or followup-to
+ (funcall message-cross-post-note-function
+ target-group
+ (if (or (and message-cross-post-default
+ (not current-prefix-arg))
+ (and (not message-cross-post-default)
+ current-prefix-arg)) t)
+ in-old old-groups))))))))
+
+;;; Reduce To: to Cc: or Bcc: header
+
+(defun message-reduce-to-to-cc ()
+ "Replace contents of To: header with contents of Cc: or Bcc: header."
+ (interactive)
+ (let ((cc-content
+ (save-restriction (message-narrow-to-headers)
+ (message-fetch-field "cc")))
+ (bcc nil))
+ (if (and (not cc-content)
+ (setq cc-content
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-fetch-field "bcc"))))
+ (setq bcc t))
+ (cond (cc-content
+ (save-excursion
+ (message-goto-to)
+ (message-delete-line)
+ (insert (concat "To: " cc-content "\n"))
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-remove-header (if bcc
+ "bcc"
+ "cc"))))))))
+
+;;; End of functions adopted from `message-utils.el'.
+
+(defun message-remove-header (header &optional is-regexp first reverse)
+ "Remove HEADER in the narrowed buffer.
+If IS-REGEXP, HEADER is a regular expression.
+If FIRST, only remove the first instance of the header.
+If REVERSE, remove headers that doesn't match HEADER.
+Return the number of headers removed."
+ (goto-char (point-min))
+ (let ((regexp (if is-regexp header (concat "^" (regexp-quote header) ":")))
+ (number 0)
+ (case-fold-search t)
+ last)
+ (while (and (not (eobp))
+ (not last))
+ (if (if reverse
+ (not (looking-at regexp))
+ (looking-at regexp))
+ (progn
+ (incf number)
+ (when first
+ (setq last t))
+ (delete-region
+ (point)
+ ;; There might be a continuation header, so we have to search
+ ;; until we find a new non-continuation line.
+ (progn
+ (forward-line 1)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (goto-char (match-beginning 0))
+ (point-max)))))
+ (forward-line 1)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (goto-char (match-beginning 0))
+ (goto-char (point-max)))))
+ number))
+
+(defun message-remove-first-header (header)
+ "Remove the first instance of HEADER if there is more than one."
+ (let ((count 0)
+ (regexp (concat "^" (regexp-quote header) ":")))
+ (save-excursion
+ (goto-char (point-min))
+ (while (re-search-forward regexp nil t)
+ (incf count)))
+ (while (> count 1)
+ (message-remove-header header nil t)
+ (decf count))))
+
+(defun message-narrow-to-headers ()
+ "Narrow the buffer to the head of the message."
+ (widen)
+ (narrow-to-region
+ (goto-char (point-min))
+ (if (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "\n") nil t)
+ (match-beginning 0)
+ (point-max)))
+ (goto-char (point-min)))
+
+(defun message-narrow-to-head-1 ()
+ "Like `message-narrow-to-head'. Don't widen."
+ (narrow-to-region
+ (goto-char (point-min))
+ (if (search-forward "\n\n" nil 1)
+ (1- (point))
+ (point-max)))
+ (goto-char (point-min)))
+
+;; FIXME: clarify difference: message-narrow-to-head,
+;; message-narrow-to-headers-or-head, message-narrow-to-headers
+(defun message-narrow-to-head ()
+ "Narrow the buffer to the head of the message.
+Point is left at the beginning of the narrowed-to region."
+ (widen)
+ (message-narrow-to-head-1))
+
+(defun message-narrow-to-headers-or-head ()
+ "Narrow the buffer to the head of the message."
+ (widen)
+ (narrow-to-region
+ (goto-char (point-min))
+ (if (re-search-forward (concat "\\(\n\\)\n\\|^\\("
+ (regexp-quote mail-header-separator)
+ "\n\\)")
+ nil t)
+ (or (match-end 1) (match-beginning 2))
+ (point-max)))
+ (goto-char (point-min)))
+
+(defun message-news-p ()
+ "Say whether the current buffer contains a news message."
+ (and (not message-this-is-mail)
+ (or message-this-is-news
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (and (message-fetch-field "newsgroups")
+ (not (message-fetch-field "posted-to"))))))))
+
+(defun message-mail-p ()
+ "Say whether the current buffer contains a mail message."
+ (and (not message-this-is-news)
+ (or message-this-is-mail
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (or (message-fetch-field "to")
+ (message-fetch-field "cc")
+ (message-fetch-field "bcc")))))))
+
+(defun message-subscribed-p ()
+ "Say whether we need to insert a MFT header."
+ (or message-subscribed-regexps
+ message-subscribed-addresses
+ message-subscribed-address-file
+ message-subscribed-address-functions))
+
+(defun message-next-header ()
+ "Go to the beginning of the next header."
+ (beginning-of-line)
+ (or (eobp) (forward-char 1))
+ (not (if (re-search-forward "^[^ \t]" nil t)
+ (beginning-of-line)
+ (goto-char (point-max)))))
+
+(defun message-sort-headers-1 ()
+ "Sort the buffer as headers using `message-rank' text props."
+ (goto-char (point-min))
+ (require 'sort)
+ (sort-subr
+ nil 'message-next-header
+ (lambda ()
+ (message-next-header)
+ (unless (bobp)
+ (forward-char -1)))
+ (lambda ()
+ (or (get-text-property (point) 'message-rank)
+ 10000))))
+
+(defun message-sort-headers ()
+ "Sort the headers of the current message according to `message-header-format-alist'."
+ (interactive)
+ (save-excursion
+ (save-restriction
+ (let ((max (1+ (length message-header-format-alist)))
+ rank)
+ (message-narrow-to-headers)
+ (while (re-search-forward "^[^ \n]+:" nil t)
+ (put-text-property
+ (match-beginning 0) (1+ (match-beginning 0))
+ 'message-rank
+ (if (setq rank (length (memq (assq (intern (buffer-substring
+ (match-beginning 0)
+ (1- (match-end 0))))
+ message-header-format-alist)
+ message-header-format-alist)))
+ (- max rank)
+ (1+ max)))))
+ (message-sort-headers-1))))
+
+(defun message-kill-address ()
+ "Kill the address under point."
+ (interactive)
+ (let ((start (point)))
+ (message-skip-to-next-address)
+ (kill-region start (if (bolp) (1- (point)) (point)))))
+
+
+(autoload 'Info-goto-node "info")
+(defvar mml2015-use)
+
+(defun message-info (&optional arg)
+ "Display the Message manual.
+
+Prefixed with one \\[universal-argument], display the Emacs MIME
+manual. With two \\[universal-argument]'s, display the EasyPG or
+PGG manual, depending on the value of `mml2015-use'."
+ (interactive "p")
+ ;; Don't use `info' because support for `(filename)nodename' is not
+ ;; available in XEmacs < 21.5.12.
+ (Info-goto-node (format "(%s)Top"
+ (cond ((eq arg 16)
+ (require 'mml2015)
+ mml2015-use)
+ ((eq arg 4) 'emacs-mime)
+ ;; `booleanp' only available in Emacs 22+
+ ((and (not (memq arg '(nil t)))
+ (symbolp arg))
+ arg)
+ (t
+ 'message)))))
+
+\f
+
+;;;
+;;; Message mode
+;;;
+
+;;; Set up keymap.
+
+(defvar message-mode-map nil)
+
+(unless message-mode-map
+ (setq message-mode-map (make-keymap))
+ (set-keymap-parent message-mode-map text-mode-map)
+ (define-key message-mode-map "\C-c?" 'describe-mode)
+
+ (define-key message-mode-map "\C-c\C-f\C-t" 'message-goto-to)
+ (define-key message-mode-map "\C-c\C-f\C-o" 'message-goto-from)
+ (define-key message-mode-map "\C-c\C-f\C-b" 'message-goto-bcc)
+ (define-key message-mode-map "\C-c\C-f\C-w" 'message-goto-fcc)
+ (define-key message-mode-map "\C-c\C-f\C-c" 'message-goto-cc)
+ (define-key message-mode-map "\C-c\C-f\C-s" 'message-goto-subject)
+ (define-key message-mode-map "\C-c\C-f\C-r" 'message-goto-reply-to)
+ (define-key message-mode-map "\C-c\C-f\C-n" 'message-goto-newsgroups)
+ (define-key message-mode-map "\C-c\C-f\C-d" 'message-goto-distribution)
+ (define-key message-mode-map "\C-c\C-f\C-f" 'message-goto-followup-to)
+ (define-key message-mode-map "\C-c\C-f\C-m" 'message-goto-mail-followup-to)
+ (define-key message-mode-map "\C-c\C-f\C-k" 'message-goto-keywords)
+ (define-key message-mode-map "\C-c\C-f\C-u" 'message-goto-summary)
+ (define-key message-mode-map "\C-c\C-f\C-i"
+ 'message-insert-or-toggle-importance)
+ (define-key message-mode-map "\C-c\C-f\C-a"
+ 'message-generate-unsubscribed-mail-followup-to)
+
+ ;; modify headers (and insert notes in body)
+ (define-key message-mode-map "\C-c\C-fs" 'message-change-subject)
+ ;;
+ (define-key message-mode-map "\C-c\C-fx" 'message-cross-post-followup-to)
+ ;; prefix+message-cross-post-followup-to = same w/o cross-post
+ (define-key message-mode-map "\C-c\C-ft" 'message-reduce-to-to-cc)
+ (define-key message-mode-map "\C-c\C-fa" 'message-add-archive-header)
+ ;; mark inserted text
+ (define-key message-mode-map "\C-c\M-m" 'message-mark-inserted-region)
+ (define-key message-mode-map "\C-c\M-f" 'message-mark-insert-file)
+
+ (define-key message-mode-map "\C-c\C-b" 'message-goto-body)
+ (define-key message-mode-map "\C-c\C-i" 'message-goto-signature)
+
+ (define-key message-mode-map "\C-c\C-t" 'message-insert-to)
+ (define-key message-mode-map "\C-c\C-fw" 'message-insert-wide-reply)
+ (define-key message-mode-map "\C-c\C-n" 'message-insert-newsgroups)
+ (define-key message-mode-map "\C-c\C-l" 'message-to-list-only)
+ (define-key message-mode-map "\C-c\C-f\C-e" 'message-insert-expires)
+
+ (define-key message-mode-map "\C-c\C-u" 'message-insert-or-toggle-importance)
+ (define-key message-mode-map "\C-c\M-n"
+ 'message-insert-disposition-notification-to)
+
+ (define-key message-mode-map "\C-c\C-y" 'message-yank-original)
+ (define-key message-mode-map "\C-c\M-\C-y" 'message-yank-buffer)
+ (define-key message-mode-map "\C-c\C-q" 'message-fill-yanked-message)
+ (define-key message-mode-map "\C-c\C-w" 'message-insert-signature)
+ (define-key message-mode-map "\C-c\M-h" 'message-insert-headers)
+ (define-key message-mode-map "\C-c\C-r" 'message-caesar-buffer-body)
+ (define-key message-mode-map "\C-c\C-o" 'message-sort-headers)
+ (define-key message-mode-map "\C-c\M-r" 'message-rename-buffer)
+
+ (define-key message-mode-map "\C-c\C-c" 'message-send-and-exit)
+ (define-key message-mode-map "\C-c\C-s" 'message-send)
+ (define-key message-mode-map "\C-c\C-k" 'message-kill-buffer)
+ (define-key message-mode-map "\C-c\C-d" 'message-dont-send)
+ (define-key message-mode-map "\C-c\n" 'gnus-delay-article)
+
+ (define-key message-mode-map "\C-c\M-k" 'message-kill-address)
+ (define-key message-mode-map "\C-c\C-e" 'message-elide-region)
+ (define-key message-mode-map "\C-c\C-v" 'message-delete-not-region)
+ (define-key message-mode-map "\C-c\C-z" 'message-kill-to-signature)
+ (define-key message-mode-map "\M-\r" 'message-newline-and-reformat)
+ (define-key message-mode-map [remap split-line] 'message-split-line)
+
+ (define-key message-mode-map "\C-c\C-a" 'mml-attach-file)
+
+ (define-key message-mode-map "\C-a" 'message-beginning-of-line)
+ (define-key message-mode-map "\t" 'message-tab)
+
+ (define-key message-mode-map "\M-n" 'message-display-abbrev))
+
+(easy-menu-define
+ message-mode-menu message-mode-map "Message Menu."
+ `("Message"
+ ["Yank Original" message-yank-original message-reply-buffer]
+ ["Fill Yanked Message" message-fill-yanked-message t]
+ ["Insert Signature" message-insert-signature t]
+ ["Caesar (rot13) Message" message-caesar-buffer-body t]
+ ["Caesar (rot13) Region" message-caesar-region (message-mark-active-p)]
+ ["Elide Region" message-elide-region
+ :active (message-mark-active-p)
+ ,@(if (featurep 'xemacs) nil
+ '(:help "Replace text in region with an ellipsis"))]
+ ["Delete Outside Region" message-delete-not-region
+ :active (message-mark-active-p)
+ ,@(if (featurep 'xemacs) nil
+ '(:help "Delete all quoted text outside region"))]
+ ["Kill To Signature" message-kill-to-signature t]
+ ["Newline and Reformat" message-newline-and-reformat t]
+ ["Rename buffer" message-rename-buffer t]
+ ["Spellcheck" ispell-message
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Spellcheck this message"))]
+ "----"
+ ["Insert Region Marked" message-mark-inserted-region
+ :active (message-mark-active-p)
+ ,@(if (featurep 'xemacs) nil
+ '(:help "Mark region with enclosing tags"))]
+ ["Insert File Marked..." message-mark-insert-file
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Insert file at point marked with enclosing tags"))]
+ "----"
+ ["Send Message" message-send-and-exit
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Send this message"))]
+ ["Postpone Message" message-dont-send
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "File this draft message and exit"))]
+ ["Send at Specific Time..." gnus-delay-article
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Ask, then arrange to send message at that time"))]
+ ["Kill Message" message-kill-buffer
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Delete this message without sending"))]
+ "----"
+ ["Message manual" message-info
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Display the Message manual"))]))
+
+(easy-menu-define
+ message-mode-field-menu message-mode-map ""
+ `("Field"
+ ["To" message-goto-to t]
+ ["From" message-goto-from t]
+ ["Subject" message-goto-subject t]
+ ["Change subject..." message-change-subject t]
+ ["Cc" message-goto-cc t]
+ ["Bcc" message-goto-bcc t]
+ ["Fcc" message-goto-fcc t]
+ ["Reply-To" message-goto-reply-to t]
+ ["Flag As Important" message-insert-importance-high
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Mark this message as important"))]
+ ["Flag As Unimportant" message-insert-importance-low
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Mark this message as unimportant"))]
+ ["Request Receipt"
+ message-insert-disposition-notification-to
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Request a receipt notification"))]
+ "----"
+ ;; (typical) news stuff
+ ["Summary" message-goto-summary t]
+ ["Keywords" message-goto-keywords t]
+ ["Newsgroups" message-goto-newsgroups t]
+ ["Fetch Newsgroups" message-insert-newsgroups t]
+ ["Followup-To" message-goto-followup-to t]
+ ;; ["Followup-To (with note in body)" message-cross-post-followup-to t]
+ ["Crosspost / Followup-To..." message-cross-post-followup-to t]
+ ["Distribution" message-goto-distribution t]
+ ["Expires" message-insert-expires t ]
+ ["X-No-Archive" message-add-archive-header t ]
+ "----"
+ ;; (typical) mailing-lists stuff
+ ["Fetch To" message-insert-to
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Insert a To header that points to the author."))]
+ ["Fetch To and Cc" message-insert-wide-reply
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help
+ "Insert To and Cc headers as if you were doing a wide reply."))]
+ "----"
+ ["Send to list only" message-to-list-only t]
+ ["Mail-Followup-To" message-goto-mail-followup-to t]
+ ["Unsubscribed list post" message-generate-unsubscribed-mail-followup-to
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Insert a reasonable `Mail-Followup-To:' header."))]
+ ["Reduce To: to Cc:" message-reduce-to-to-cc t]
+ "----"
+ ["Sort Headers" message-sort-headers t]
+ ["Encode non-ASCII domain names" message-idna-to-ascii-rhs t]
+ ;; We hide `message-hidden-headers' by narrowing the buffer.
+ ["Show Hidden Headers" widen t]
+ ["Goto Body" message-goto-body t]
+ ["Goto Signature" message-goto-signature t]))
+
+(defvar message-tool-bar-map nil)
+
+(defvar facemenu-add-face-function)
+(defvar facemenu-remove-face-function)
+
+;;; Forbidden properties
+;;
+;; We use `after-change-functions' to keep special text properties
+;; that interfere with the normal function of message mode out of the
+;; buffer.
+
+(defcustom message-strip-special-text-properties t
+ "Strip special properties from the message buffer.
+
+Emacs has a number of special text properties which can break message
+composing in various ways. If this option is set, message will strip
+these properties from the message composition buffer. However, some
+packages requires these properties to be present in order to work.
+If you use one of these packages, turn this option off, and hope the
+message composition doesn't break too bad."
+ :version "22.1"
+ :group 'message-various
+ :link '(custom-manual "(message)Various Message Variables")
+ :type 'boolean)
+
+(defvar message-forbidden-properties
+ ;; No reason this should be clutter up customize. We make it a
+ ;; property list (rather than a list of property symbols), to be
+ ;; directly useful for `remove-text-properties'.
+ '(field nil read-only nil invisible nil intangible nil
+ mouse-face nil modification-hooks nil insert-in-front-hooks nil
+ insert-behind-hooks nil point-entered nil point-left nil)
+ ;; Other special properties:
+ ;; category, face, display: probably doesn't do any harm.
+ ;; fontified: is used by font-lock.
+ ;; syntax-table, local-map: I dunno.
+ ;; We need to add XEmacs names to the list.
+ "Property list of with properties forbidden in message buffers.
+The values of the properties are ignored, only the property names are used.")
+
+(defun message-tamago-not-in-use-p (pos)
+ "Return t when tamago version 4 is not in use at the cursor position.
+Tamago version 4 is a popular input method for writing Japanese text.
+It uses the properties `intangible', `invisible', `modification-hooks'
+and `read-only' when translating ascii or kana text to kanji text.
+These properties are essential to work, so we should never strip them."
+ (not (and (boundp 'egg-modefull-mode)
+ (symbol-value 'egg-modefull-mode)
+ (or (memq (get-text-property pos 'intangible)
+ '(its-part-1 its-part-2))
+ (get-text-property pos 'egg-end)
+ (get-text-property pos 'egg-lang)
+ (get-text-property pos 'egg-start)))))
+
+(defsubst message-mail-alias-type-p (type)
+ (if (atom message-mail-alias-type)
+ (eq message-mail-alias-type type)
+ (memq type message-mail-alias-type)))
+
+(defun message-strip-forbidden-properties (begin end &optional old-length)
+ "Strip forbidden properties between BEGIN and END, ignoring the third arg.
+This function is intended to be called from `after-change-functions'.
+See also `message-forbidden-properties'."
+ (when (and (message-mail-alias-type-p 'ecomplete)
+ (memq this-command message-self-insert-commands))
+ (message-display-abbrev))
+ (when (and message-strip-special-text-properties
+ (message-tamago-not-in-use-p begin))
+ (let ((buffer-read-only nil)
+ (inhibit-read-only t))
+ (remove-text-properties begin end message-forbidden-properties))))
+
+(autoload 'ecomplete-setup "ecomplete") ;; for Emacs <23.
+
+(defvar message-smileys '(":-)" ":)"
+ ":-(" ":("
+ ";-)" ";)")
+ "A list of recognized smiley faces in `message-mode'.")
+
+(defun message--syntax-propertize (beg end)
+ "Syntax-propertize certain message text specially."
+ (let ((citation-regexp (concat "^" message-cite-prefix-regexp ".*$"))
+ (smiley-regexp (regexp-opt message-smileys)))
+ (goto-char beg)
+ (while (search-forward-regexp citation-regexp
+ end 'noerror)
+ (let ((start (match-beginning 0))
+ (end (match-end 0)))
+ (add-text-properties start (1+ start)
+ `(syntax-table ,(string-to-syntax "<")))
+ (add-text-properties end (min (1+ end) (point-max))
+ `(syntax-table ,(string-to-syntax ">")))))
+ (goto-char beg)
+ (while (search-forward-regexp smiley-regexp
+ end 'noerror)
+ (add-text-properties (match-beginning 0) (match-end 0)
+ `(syntax-table ,(string-to-syntax "."))))))
+
+;;;###autoload
+(define-derived-mode message-mode text-mode "Message"
+ "Major mode for editing mail and news to be sent.
+Like Text Mode but with these additional commands:\\<message-mode-map>
+C-c C-s `message-send' (send the message) C-c C-c `message-send-and-exit'
+C-c C-d Postpone sending the message C-c C-k Kill the message
+C-c C-f move to a header field (and create it if there isn't):
+ C-c C-f C-t move to To C-c C-f C-s move to Subject
+ C-c C-f C-c move to Cc C-c C-f C-b move to Bcc
+ C-c C-f C-w move to Fcc C-c C-f C-r move to Reply-To
+ C-c C-f C-u move to Summary C-c C-f C-n move to Newsgroups
+ C-c C-f C-k move to Keywords C-c C-f C-d move to Distribution
+ C-c C-f C-o move to From (\"Originator\")
+ C-c C-f C-f move to Followup-To
+ C-c C-f C-m move to Mail-Followup-To
+ C-c C-f C-e move to Expires
+ C-c C-f C-i cycle through Importance values
+ C-c C-f s change subject and append \"(was: <Old Subject>)\"
+ C-c C-f x crossposting with FollowUp-To header and note in body
+ C-c C-f t replace To: header with contents of Cc: or Bcc:
+ C-c C-f a Insert X-No-Archive: header and a note in the body
+C-c C-t `message-insert-to' (add a To header to a news followup)
+C-c C-l `message-to-list-only' (removes all but list address in to/cc)
+C-c C-n `message-insert-newsgroups' (add a Newsgroup header to a news reply)
+C-c C-b `message-goto-body' (move to beginning of message text).
+C-c C-i `message-goto-signature' (move to the beginning of the signature).
+C-c C-w `message-insert-signature' (insert `message-signature-file' file).
+C-c C-y `message-yank-original' (insert current message, if any).
+C-c C-q `message-fill-yanked-message' (fill what was yanked).
+C-c C-e `message-elide-region' (elide the text between point and mark).
+C-c C-v `message-delete-not-region' (remove the text outside the region).
+C-c C-z `message-kill-to-signature' (kill the text up to the signature).
+C-c C-r `message-caesar-buffer-body' (rot13 the message body).
+C-c C-a `mml-attach-file' (attach a file as MIME).
+C-c C-u `message-insert-or-toggle-importance' (insert or cycle importance).
+C-c M-n `message-insert-disposition-notification-to' (request receipt).
+C-c M-m `message-mark-inserted-region' (mark region with enclosing tags).
+C-c M-f `message-mark-insert-file' (insert file marked with enclosing tags).
+M-RET `message-newline-and-reformat' (break the line and reformat)."
+ (set (make-local-variable 'message-reply-buffer) nil)
+ (set (make-local-variable 'message-inserted-headers) nil)
+ (set (make-local-variable 'message-send-actions) nil)
+ (set (make-local-variable 'message-return-action) nil)
+ (set (make-local-variable 'message-exit-actions) nil)
+ (set (make-local-variable 'message-kill-actions) nil)
+ (set (make-local-variable 'message-postpone-actions) nil)
+ (set (make-local-variable 'message-draft-article) nil)
+ (setq buffer-offer-save t)
+ (set (make-local-variable 'facemenu-add-face-function)
+ (lambda (face end)
+ (let ((face-fun (cdr (assq face message-face-alist))))
+ (if face-fun
+ (funcall face-fun (point) end)
+ (error "Face %s not configured for %s mode" face mode-name)))
+ ""))
+ (set (make-local-variable 'facemenu-remove-face-function) t)
+ (set (make-local-variable 'message-reply-headers) nil)
+ (make-local-variable 'message-newsreader)
+ (make-local-variable 'message-mailer)
+ (make-local-variable 'message-post-method)
+ (set (make-local-variable 'message-sent-message-via) nil)
+ (set (make-local-variable 'message-checksum) nil)
+ (set (make-local-variable 'message-mime-part) 0)
+ (message-setup-fill-variables)
+ (when message-fill-column
+ (setq fill-column message-fill-column)
+ (turn-on-auto-fill))
+ ;; Allow using comment commands to add/remove quoting.
+ ;; (set (make-local-variable 'comment-start) message-yank-prefix)
+ (when message-yank-prefix
+ (set (make-local-variable 'comment-start) message-yank-prefix)
+ (set (make-local-variable 'comment-start-skip)
+ (concat "^" (regexp-quote message-yank-prefix) "[ \t]*")))
+ (if (featurep 'xemacs)
+ (message-setup-toolbar)
+ (set (make-local-variable 'font-lock-defaults)
+ '(message-font-lock-keywords t))
+ (if (boundp 'tool-bar-map)
+ (set (make-local-variable 'tool-bar-map) (message-make-tool-bar))))
+ (easy-menu-add message-mode-menu message-mode-map)
+ (easy-menu-add message-mode-field-menu message-mode-map)
+ (gnus-make-local-hook 'after-change-functions)
+ ;; Mmmm... Forbidden properties...
+ (add-hook 'after-change-functions 'message-strip-forbidden-properties
+ nil 'local)
+ ;; Allow mail alias things.
+ (cond
+ ((message-mail-alias-type-p 'abbrev)
+ (if (fboundp 'mail-abbrevs-setup)
+ (mail-abbrevs-setup)
+ (if (fboundp 'mail-aliases-setup) ; warning avoidance
+ (mail-aliases-setup))))
+ ((message-mail-alias-type-p 'ecomplete)
+ (ecomplete-setup)))
+ (add-hook 'completion-at-point-functions 'message-completion-function nil t)
+ (unless buffer-file-name
+ (message-set-auto-save-file-name))
+ (unless (buffer-base-buffer)
+ ;; Don't enable multibyte on an indirect buffer. Maybe enabling
+ ;; multibyte is not necessary at all. -- zsh
+ (mm-enable-multibyte))
+ (set (make-local-variable 'indent-tabs-mode) nil) ;No tabs for indentation.
+ (mml-mode)
+ ;; Syntactic fontification. Helps `show-paren-mode',
+ ;; `electric-pair-mode', and C-M-* navigation by syntactically
+ ;; excluding citations and other artifacts.
+ ;;
+ (set (make-local-variable 'syntax-propertize-function) 'message--syntax-propertize)
+ (set (make-local-variable 'parse-sexp-ignore-comments) t))
+
+(defun message-setup-fill-variables ()
+ "Setup message fill variables."
+ (set (make-local-variable 'fill-paragraph-function)
+ 'message-fill-paragraph)
+ (make-local-variable 'paragraph-separate)
+ (make-local-variable 'paragraph-start)
+ (make-local-variable 'adaptive-fill-regexp)
+ (unless (boundp 'adaptive-fill-first-line-regexp)
+ (setq adaptive-fill-first-line-regexp nil))
+ (make-local-variable 'adaptive-fill-first-line-regexp)
+ (let ((quote-prefix-regexp
+ ;; User should change message-cite-prefix-regexp if
+ ;; message-yank-prefix is set to an abnormal value.
+ (concat "\\(" message-cite-prefix-regexp "\\)[ \t]*")))
+ (setq paragraph-start
+ (concat
+ (regexp-quote mail-header-separator) "$\\|"
+ "[ \t]*$\\|" ; blank lines
+ "-- $\\|" ; signature delimiter
+ "---+$\\|" ; delimiters for forwarded messages
+ page-delimiter "$\\|" ; spoiler warnings
+ ".*wrote:$\\|" ; attribution lines
+ quote-prefix-regexp "$\\|" ; empty lines in quoted text
+ ; mml tags
+ "<#!*/?\\(multipart\\|part\\|external\\|mml\\|secure\\)"))
+ (setq paragraph-separate paragraph-start)
+ (setq adaptive-fill-regexp
+ (concat quote-prefix-regexp "\\|" adaptive-fill-regexp))
+ (setq adaptive-fill-first-line-regexp
+ (concat quote-prefix-regexp "\\|"
+ adaptive-fill-first-line-regexp)))
+ (make-local-variable 'auto-fill-inhibit-regexp)
+ ;;(setq auto-fill-inhibit-regexp "^[A-Z][^: \n\t]+:")
+ (setq auto-fill-inhibit-regexp nil)
+ (make-local-variable 'normal-auto-fill-function)
+ (setq normal-auto-fill-function 'message-do-auto-fill)
+ ;; KLUDGE: auto fill might already be turned on in `text-mode-hook'.
+ ;; In that case, ensure that it uses the right function. The real
+ ;; solution would be not to use `define-derived-mode', and run
+ ;; `text-mode-hook' ourself at the end of the mode.
+ ;; -- Per Abrahamsen <abraham@dina.kvl.dk> Date: 2001-10-19.
+ ;; This kludge is unneeded in Emacs>=21 since define-derived-mode is
+ ;; now careful to run parent hooks after the body. --Stef
+ (when auto-fill-function
+ (setq auto-fill-function normal-auto-fill-function)))
+
+\f
+
+;;;
+;;; Message mode commands
+;;;
+
+;;; Movement commands
+
+(defun message-goto-to ()
+ "Move point to the To header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "To"))
+
+(defun message-goto-from ()
+ "Move point to the From header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "From"))
+
+(defun message-goto-subject ()
+ "Move point to the Subject header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Subject"))
+
+(defun message-goto-cc ()
+ "Move point to the Cc header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Cc" "To"))
+
+(defun message-goto-bcc ()
+ "Move point to the Bcc header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Bcc" "Cc" "To"))
+
+(defun message-goto-fcc ()
+ "Move point to the Fcc header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Fcc" "To" "Newsgroups"))
+
+(defun message-goto-reply-to ()
+ "Move point to the Reply-To header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Reply-To" "Subject"))
+
+(defun message-goto-newsgroups ()
+ "Move point to the Newsgroups header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Newsgroups"))
+
+(defun message-goto-distribution ()
+ "Move point to the Distribution header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Distribution"))
+
+(defun message-goto-followup-to ()
+ "Move point to the Followup-To header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Followup-To" "Newsgroups"))
+
+(defun message-goto-mail-followup-to ()
+ "Move point to the Mail-Followup-To header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Mail-Followup-To" "To"))
+
+(defun message-goto-keywords ()
+ "Move point to the Keywords header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Keywords" "Subject"))
+
+(defun message-goto-summary ()
+ "Move point to the Summary header."
+ (interactive)
+ (push-mark)
+ (message-position-on-field "Summary" "Subject"))
+
+(defun message-goto-body ()
+ "Move point to the beginning of the message body."
+ (interactive)
+ (when (and (gmm-called-interactively-p 'any)
+ (looking-at "[ \t]*\n"))
+ (expand-abbrev))
+ (push-mark)
+ (goto-char (point-min))
+ (or (search-forward (concat "\n" mail-header-separator "\n") nil t)
+ (search-forward-regexp "[^:]+:\\([^\n]\\|\n[ \t]\\)+\n\n" nil t)))
+
+(defun message-in-body-p ()
+ "Return t if point is in the message body."
+ (>= (point)
+ (save-excursion
+ (goto-char (point-min))
+ (or (search-forward (concat "\n" mail-header-separator "\n") nil t)
+ (search-forward-regexp "[^:]+:\\([^\n]\\|\n[ \t]\\)+\n\n" nil t))
+ (point))))
+
+(defun message-goto-eoh ()
+ "Move point to the end of the headers."
+ (interactive)
+ (message-goto-body)
+ (forward-line -1))
+
+(defun message-goto-signature ()
+ "Move point to the beginning of the message signature.
+If there is no signature in the article, go to the end and
+return nil."
+ (interactive)
+ (push-mark)
+ (goto-char (point-min))
+ (if (re-search-forward message-signature-separator nil t)
+ (forward-line 1)
+ (goto-char (point-max))
+ nil))
+
+(defun message-generate-unsubscribed-mail-followup-to (&optional include-cc)
+ "Insert a reasonable MFT header in a post to an unsubscribed list.
+When making original posts to a mailing list you are not subscribed to,
+you have to type in a MFT header by hand. The contents, usually, are
+the addresses of the list and your own address. This function inserts
+such a header automatically. It fetches the contents of the To: header
+in the current mail buffer, and appends the current `user-mail-address'.
+
+If the optional argument INCLUDE-CC is non-nil, the addresses in the
+Cc: header are also put into the MFT."
+
+ (interactive "P")
+ (let* (cc tos)
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-remove-header "Mail-Followup-To")
+ (setq cc (and include-cc (message-fetch-field "Cc")))
+ (setq tos (if cc
+ (concat (message-fetch-field "To") "," cc)
+ (message-fetch-field "To"))))
+ (message-goto-mail-followup-to)
+ (insert (concat tos ", " user-mail-address))))
+
+\f
+
+(defun message-insert-to (&optional force)
+ "Insert a To header that points to the author of the article being replied to.
+If the original author requested not to be sent mail, don't insert unless the
+prefix FORCE is given."
+ (interactive "P")
+ (let* ((mct (message-fetch-reply-field "mail-copies-to"))
+ (dont (and mct (or (equal (downcase mct) "never")
+ (equal (downcase mct) "nobody"))))
+ (to (or (message-fetch-reply-field "mail-reply-to")
+ (message-fetch-reply-field "reply-to")
+ (message-fetch-reply-field "from"))))
+ (when (and dont to)
+ (message
+ (if force
+ "Ignoring the user request not to have copies sent via mail"
+ "Complying with the user request not to have copies sent via mail")))
+ (when (and force (not to))
+ (error "No mail address in the article"))
+ (when (and to (or force (not dont)))
+ (message-carefully-insert-headers (list (cons 'To to))))))
+
+(defun message-insert-wide-reply ()
+ "Insert To and Cc headers as if you were doing a wide reply."
+ (interactive)
+ (let ((headers (message-with-reply-buffer
+ (message-get-reply-headers t))))
+ (message-carefully-insert-headers headers)))
+
+(defcustom message-header-synonyms
+ '((To Cc Bcc)
+ (Original-To))
+ "List of lists of header synonyms.
+E.g., if this list contains a member list with elements `Cc' and `To',
+then `message-carefully-insert-headers' will not insert a `To' header
+when the message is already `Cc'ed to the recipient."
+ :version "22.1"
+ :group 'message-headers
+ :link '(custom-manual "(message)Message Headers")
+ :type '(repeat sexp))
+
+(defun message-carefully-insert-headers (headers)
+ "Insert the HEADERS, an alist, into the message buffer.
+Does not insert the headers when they are already present there
+or in the synonym headers, defined by `message-header-synonyms'."
+ ;; FIXME: Should compare only the address and not the full name. Comparison
+ ;; should be done case-folded (and with `string=' rather than
+ ;; `string-match').
+ ;; (mail-strip-quoted-names "Foo Bar <foo@bar>, bla@fasel (Bla Fasel)")
+ (dolist (header headers)
+ (let* ((header-name (symbol-name (car header)))
+ (new-header (cdr header))
+ (synonyms (loop for synonym in message-header-synonyms
+ when (memq (car header) synonym) return synonym))
+ (old-header
+ (loop for synonym in synonyms
+ for old-header = (mail-fetch-field (symbol-name synonym))
+ when (and old-header (string-match new-header old-header))
+ return synonym)))
+ (if old-header
+ (message "already have `%s' in `%s'" new-header old-header)
+ (when (and (message-position-on-field header-name)
+ (setq old-header (mail-fetch-field header-name))
+ (not (string-match "\\` *\\'" old-header)))
+ (insert ", "))
+ (insert new-header)))))
+
+(defun message-widen-reply ()
+ "Widen the reply to include maximum recipients."
+ (interactive)
+ (let ((follow-to
+ (and (bufferp message-reply-buffer)
+ (buffer-name message-reply-buffer)
+ (with-current-buffer message-reply-buffer
+ (message-get-reply-headers t)))))
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (dolist (elem follow-to)
+ (message-remove-header (symbol-name (car elem)))
+ (goto-char (point-min))
+ (insert (symbol-name (car elem)) ": "
+ (cdr elem) "\n"))))))
+
+(defun message-insert-newsgroups ()
+ "Insert the Newsgroups header from the article being replied to."
+ (interactive)
+ (let ((old-newsgroups (mail-fetch-field "newsgroups"))
+ (new-newsgroups (message-fetch-reply-field "newsgroups"))
+ (first t)
+ insert-newsgroups)
+ (message-position-on-field "Newsgroups")
+ (cond
+ ((not new-newsgroups)
+ (error "No Newsgroups to insert"))
+ ((not old-newsgroups)
+ (insert new-newsgroups))
+ (t
+ (setq new-newsgroups (split-string new-newsgroups "[, ]+")
+ old-newsgroups (split-string old-newsgroups "[, ]+"))
+ (dolist (group new-newsgroups)
+ (unless (member group old-newsgroups)
+ (push group insert-newsgroups)))
+ (if (null insert-newsgroups)
+ (error "Newgroup%s already in the header"
+ (if (> (length new-newsgroups) 1)
+ "s" ""))
+ (when old-newsgroups
+ (setq first nil))
+ (dolist (group insert-newsgroups)
+ (unless first
+ (insert ","))
+ (setq first nil)
+ (insert group)))))))
+
+\f
+
+;;; Various commands
+
+(defun message-delete-not-region (beg end)
+ "Delete everything in the body of the current message outside of the region."
+ (interactive "r")
+ (let (citeprefix)
+ (save-excursion
+ (goto-char beg)
+ ;; snarf citation prefix, if appropriate
+ (unless (eq (point) (progn (beginning-of-line) (point)))
+ (when (looking-at message-cite-prefix-regexp)
+ (setq citeprefix (match-string 0))))
+ (goto-char end)
+ (delete-region (point) (if (not (message-goto-signature))
+ (point)
+ (forward-line -2)
+ (point)))
+ (insert "\n")
+ (goto-char beg)
+ (delete-region beg (progn (message-goto-body)
+ (forward-line 2)
+ (point)))
+ (when citeprefix
+ (insert citeprefix))))
+ (when (message-goto-signature)
+ (forward-line -2)))
+
+(defun message-kill-to-signature (&optional arg)
+ "Kill all text up to the signature.
+If a numeric argument or prefix arg is given, leave that number
+of lines before the signature intact."
+ (interactive "P")
+ (save-excursion
+ (save-restriction
+ (let ((point (point)))
+ (narrow-to-region point (point-max))
+ (message-goto-signature)
+ (unless (eobp)
+ (if (and arg (numberp arg))
+ (forward-line (- -1 arg))
+ (end-of-line -1)))
+ (unless (= point (point))
+ (kill-region point (point))
+ (unless (bolp)
+ (insert "\n")))))))
+
+(defun message-newline-and-reformat (&optional arg not-break)
+ "Insert four newlines, and then reformat if inside quoted text.
+Prefix arg means justify as well."
+ (interactive (list (if current-prefix-arg 'full)))
+ (let (quoted point beg end leading-space bolp fill-paragraph-function)
+ (setq point (point))
+ (beginning-of-line)
+ (setq beg (point))
+ (setq bolp (= beg point))
+ ;; Find first line of the paragraph.
+ (if not-break
+ (while (and (not (eobp))
+ (not (looking-at message-cite-prefix-regexp))
+ (looking-at paragraph-start))
+ (forward-line 1)))
+ ;; Find the prefix
+ (when (looking-at message-cite-prefix-regexp)
+ (setq quoted (match-string 0))
+ (goto-char (match-end 0))
+ (looking-at "[ \t]*")
+ (setq leading-space (match-string 0)))
+ (if (and quoted
+ (not not-break)
+ (not bolp)
+ (< (- point beg) (length quoted)))
+ ;; break inside the cite prefix.
+ (setq quoted nil
+ end nil))
+ (if quoted
+ (progn
+ (forward-line 1)
+ (while (and (not (eobp))
+ (not (looking-at paragraph-separate))
+ (looking-at message-cite-prefix-regexp)
+ (equal quoted (match-string 0)))
+ (goto-char (match-end 0))
+ (looking-at "[ \t]*")
+ (if (> (length leading-space) (length (match-string 0)))
+ (setq leading-space (match-string 0)))
+ (forward-line 1))
+ (setq end (point))
+ (goto-char beg)
+ (while (and (if (bobp) nil (forward-line -1) t)
+ (not (looking-at paragraph-start))
+ (looking-at message-cite-prefix-regexp)
+ (equal quoted (match-string 0)))
+ (setq beg (point))
+ (goto-char (match-end 0))
+ (looking-at "[ \t]*")
+ (if (> (length leading-space) (length (match-string 0)))
+ (setq leading-space (match-string 0)))))
+ (while (and (not (eobp))
+ (not (looking-at paragraph-separate))
+ (not (looking-at message-cite-prefix-regexp)))
+ (forward-line 1))
+ (setq end (point))
+ (goto-char beg)
+ (while (and (if (bobp) nil (forward-line -1) t)
+ (not (looking-at paragraph-start))
+ (not (looking-at message-cite-prefix-regexp)))
+ (setq beg (point))))
+ (goto-char point)
+ (save-restriction
+ (narrow-to-region beg end)
+ (if not-break
+ (setq point nil)
+ (if bolp
+ (newline)
+ (newline)
+ (newline))
+ (setq point (point))
+ ;; (newline 2) doesn't mark both newline's as hard, so call
+ ;; newline twice. -jas
+ (newline)
+ (newline)
+ (delete-region (point) (re-search-forward "[ \t]*"))
+ (when (and quoted (not bolp))
+ (insert quoted leading-space)))
+ (undo-boundary)
+ (if quoted
+ (let* ((adaptive-fill-regexp
+ (regexp-quote (concat quoted leading-space)))
+ (adaptive-fill-first-line-regexp
+ adaptive-fill-regexp ))
+ (fill-paragraph arg))
+ (fill-paragraph arg))
+ (if point (goto-char point)))))
+
+(defun message-fill-paragraph (&optional arg)
+ "Message specific function to fill a paragraph.
+This function is used as the value of `fill-paragraph-function' in
+Message buffers and is not meant to be called directly."
+ (interactive (list (if current-prefix-arg 'full)))
+ (if (if (boundp 'filladapt-mode) filladapt-mode)
+ nil
+ (if (message-point-in-header-p)
+ (message-fill-field)
+ (message-newline-and-reformat arg t))
+ t))
+
+(defun message-point-in-header-p ()
+ "Return t if point is in the header."
+ (save-excursion
+ (and
+ (not
+ (re-search-backward
+ (concat "^" (regexp-quote mail-header-separator) "\n") nil t))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "\n") nil t))))
+
+(defun message-do-auto-fill ()
+ "Like `do-auto-fill', but don't fill in message header."
+ (unless (message-point-in-header-p)
+ (do-auto-fill)))
+
+(defun message-insert-signature (&optional force)
+ "Insert a signature. See documentation for variable `message-signature'."
+ (interactive (list 0))
+ (let* ((signature
+ (cond
+ ((and (null message-signature)
+ (eq force 0))
+ (save-excursion
+ (goto-char (point-max))
+ (not (re-search-backward message-signature-separator nil t))))
+ ((and (null message-signature)
+ force)
+ t)
+ ((functionp message-signature)
+ (funcall message-signature))
+ ((listp message-signature)
+ (eval message-signature))
+ (t message-signature)))
+ signature-file)
+ (setq signature
+ (cond ((stringp signature)
+ signature)
+ ((and (eq t signature) message-signature-file)
+ (setq signature-file
+ (if (and message-signature-directory
+ ;; don't actually use the signature directory
+ ;; if message-signature-file contains a path.
+ (not (file-name-directory
+ message-signature-file)))
+ (expand-file-name message-signature-file
+ message-signature-directory)
+ message-signature-file))
+ (file-exists-p signature-file))))
+ (when signature
+ (goto-char (point-max))
+ ;; Insert the signature.
+ (unless (bolp)
+ (newline))
+ (when message-signature-insert-empty-line
+ (newline))
+ (insert "-- ")
+ (newline)
+ (if (eq signature t)
+ (insert-file-contents signature-file)
+ (insert signature))
+ (goto-char (point-max))
+ (or (bolp) (newline)))))
+
+(defun message-insert-importance-high ()
+ "Insert header to mark message as important."
+ (interactive)
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-remove-header "Importance"))
+ (message-goto-eoh)
+ (insert "Importance: high\n")))
+
+(defun message-insert-importance-low ()
+ "Insert header to mark message as unimportant."
+ (interactive)
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-remove-header "Importance"))
+ (message-goto-eoh)
+ (insert "Importance: low\n")))
+
+(defun message-insert-or-toggle-importance ()
+ "Insert a \"Importance: high\" header, or cycle through the header values.
+The three allowed values according to RFC 1327 are `high', `normal'
+and `low'."
+ (interactive)
+ (save-excursion
+ (let ((new "high")
+ cur)
+ (save-restriction
+ (message-narrow-to-headers)
+ (when (setq cur (message-fetch-field "Importance"))
+ (message-remove-header "Importance")
+ (setq new (cond ((string= cur "high")
+ "low")
+ ((string= cur "low")
+ "normal")
+ (t
+ "high")))))
+ (message-goto-eoh)
+ (insert (format "Importance: %s\n" new)))))
+
+(defun message-insert-disposition-notification-to ()
+ "Request a disposition notification (return receipt) to this message.
+Note that this should not be used in newsgroups."
+ (interactive)
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-remove-header "Disposition-Notification-To"))
+ (message-goto-eoh)
+ (insert (format "Disposition-Notification-To: %s\n"
+ (or (message-field-value "Reply-to")
+ (message-field-value "From")
+ (message-make-from))))))
+
+(defun message-elide-region (b e)
+ "Elide the text in the region.
+An ellipsis (from `message-elide-ellipsis') will be inserted where the
+text was killed."
+ (interactive "r")
+ (let ((lines (count-lines b e))
+ (chars (- e b)))
+ (kill-region b e)
+ (insert (format-spec message-elide-ellipsis
+ `((?l . ,lines)
+ (?c . ,chars))))))
+
+(defvar message-caesar-translation-table nil)
+
+(defun message-caesar-region (b e &optional n)
+ "Caesar rotate region B to E by N, default 13, for decrypting netnews."
+ (interactive
+ (list
+ (min (point) (or (mark t) (point)))
+ (max (point) (or (mark t) (point)))
+ (when current-prefix-arg
+ (prefix-numeric-value current-prefix-arg))))
+
+ (setq n (if (numberp n) (mod n 26) 13)) ;canonize N
+ (unless (or (zerop n) ; no action needed for a rot of 0
+ (= b e)) ; no region to rotate
+ ;; We build the table, if necessary.
+ (when (or (not message-caesar-translation-table)
+ (/= (aref message-caesar-translation-table ?a) (+ ?a n)))
+ (setq message-caesar-translation-table
+ (message-make-caesar-translation-table n)))
+ (translate-region b e message-caesar-translation-table)))
+
+(defun message-make-caesar-translation-table (n)
+ "Create a rot table with offset N."
+ (let ((i -1)
+ (table (make-string 256 0)))
+ (while (< (incf i) 256)
+ (aset table i i))
+ (concat
+ (substring table 0 ?A)
+ (substring table (+ ?A n) (+ ?A n (- 26 n)))
+ (substring table ?A (+ ?A n))
+ (substring table (+ ?A 26) ?a)
+ (substring table (+ ?a n) (+ ?a n (- 26 n)))
+ (substring table ?a (+ ?a n))
+ (substring table (+ ?a 26) 255))))
+
+(defun message-caesar-buffer-body (&optional rotnum wide)
+ "Caesar rotate all letters in the current buffer by 13 places.
+Used to encode/decode possibly offensive messages (commonly in rec.humor).
+With prefix arg, specifies the number of places to rotate each letter forward.
+Mail and USENET news headers are not rotated unless WIDE is non-nil."
+ (interactive (if current-prefix-arg
+ (list (prefix-numeric-value current-prefix-arg))
+ (list nil)))
+ (save-excursion
+ (save-restriction
+ (when (and (not wide) (message-goto-body))
+ (narrow-to-region (point) (point-max)))
+ (message-caesar-region (point-min) (point-max) rotnum))))
+
+(defun message-pipe-buffer-body (program)
+ "Pipe the message body in the current buffer through PROGRAM."
+ (save-excursion
+ (save-restriction
+ (when (message-goto-body)
+ (narrow-to-region (point) (point-max)))
+ (shell-command-on-region
+ (point-min) (point-max) program nil t))))
+
+(defun message-rename-buffer (&optional enter-string)
+ "Rename the *message* buffer to \"*message* RECIPIENT\".
+If the function is run with a prefix, it will ask for a new buffer
+name, rather than giving an automatic name."
+ (interactive "Pbuffer name: ")
+ (save-excursion
+ (save-restriction
+ (goto-char (point-min))
+ (narrow-to-region (point)
+ (search-forward mail-header-separator nil 'end))
+ (let* ((mail-to (or
+ (if (message-news-p) (message-fetch-field "Newsgroups")
+ (message-fetch-field "To"))
+ ""))
+ (mail-trimmed-to
+ (if (string-match "," mail-to)
+ (concat (substring mail-to 0 (match-beginning 0)) ", ...")
+ mail-to))
+ (name-default (concat "*message* " mail-trimmed-to))
+ (name (if enter-string
+ (read-string "New buffer name: " name-default)
+ name-default)))
+ (rename-buffer name t)))))
+
+(defun message-fill-yanked-message (&optional justifyp)
+ "Fill the paragraphs of a message yanked into this one.
+Numeric argument means justify as well."
+ (interactive "P")
+ (save-excursion
+ (goto-char (point-min))
+ (search-forward (concat "\n" mail-header-separator "\n") nil t)
+ (let ((fill-prefix message-yank-prefix))
+ (fill-individual-paragraphs (point) (point-max) justifyp))))
+
+(defun message-indent-citation (&optional start end yank-only)
+ "Modify text just inserted from a message to be cited.
+The inserted text should be the region.
+When this function returns, the region is again around the modified text.
+
+Normally, indent each nonblank line `message-indentation-spaces' spaces.
+However, if `message-yank-prefix' is non-nil, insert that prefix on each line."
+ (unless start (setq start (point)))
+ (unless yank-only
+ ;; Remove unwanted headers.
+ (when message-ignored-cited-headers
+ (let (all-removed)
+ (save-restriction
+ (narrow-to-region
+ (goto-char start)
+ (if (search-forward "\n\n" nil t)
+ (1- (point))
+ (point)))
+ (message-remove-header message-ignored-cited-headers t)
+ (when (= (point-min) (point-max))
+ (setq all-removed t))
+ (goto-char (point-max)))
+ (if all-removed
+ (goto-char start)
+ (forward-line 1))))
+ ;; Delete blank lines at the start of the buffer.
+ (while (and (point-min)
+ (eolp)
+ (not (eobp)))
+ (message-delete-line))
+ ;; Delete blank lines at the end of the buffer.
+ (goto-char (point-max))
+ (unless (eq (preceding-char) ?\n)
+ (insert "\n"))
+ (while (and (zerop (forward-line -1))
+ (looking-at "$"))
+ (message-delete-line)))
+ ;; Do the indentation.
+ (if (null message-yank-prefix)
+ (indent-rigidly start (or end (mark t)) message-indentation-spaces)
+ (save-excursion
+ (goto-char start)
+ (while (< (point) (or end (mark t)))
+ (cond ((looking-at ">")
+ (insert message-yank-cited-prefix))
+ ((looking-at "^$")
+ (insert message-yank-empty-prefix))
+ (t
+ (insert message-yank-prefix)))
+ (forward-line 1))))
+ (goto-char start))
+
+(defun message-remove-blank-cited-lines (&optional remove)
+ "Remove cited lines containing only blanks.
+If REMOVE is non-nil, remove newlines, too.
+
+To use this automatically, you may add this function to
+`gnus-message-setup-hook'."
+ (interactive "P")
+ (let ((citexp
+ (concat
+ "^\\("
+ (when (boundp 'message-yank-cited-prefix)
+ (concat message-yank-cited-prefix "\\|"))
+ message-yank-prefix
+ "\\)+ *\n"
+ )))
+ (gnus-message 8 "removing `%s'" citexp)
+ (save-excursion
+ (message-goto-body)
+ (while (re-search-forward citexp nil t)
+ (replace-match (if remove "" "\n"))))))
+
+(defun message--yank-original-internal (arg)
+ (let ((modified (buffer-modified-p))
+ body-text)
+ (when (and message-reply-buffer
+ message-cite-function)
+ (when (equal message-cite-reply-position 'above)
+ (save-excursion
+ (setq body-text
+ (buffer-substring (message-goto-body)
+ (point-max)))
+ (delete-region (message-goto-body) (point-max))))
+ (if (bufferp message-reply-buffer)
+ (delete-windows-on message-reply-buffer t))
+ (push-mark (save-excursion
+ (cond
+ ((bufferp message-reply-buffer)
+ (insert-buffer-substring message-reply-buffer))
+ ((and (consp message-reply-buffer)
+ (functionp (car message-reply-buffer)))
+ (apply (car message-reply-buffer)
+ (cdr message-reply-buffer))))
+ (unless (bolp)
+ (insert ?\n))
+ (point)))
+ (unless arg
+ (funcall message-cite-function)
+ (unless (eq (char-before (mark t)) ?\n)
+ (let ((pt (point)))
+ (goto-char (mark t))
+ (insert-before-markers ?\n)
+ (goto-char pt))))
+ (case message-cite-reply-position
+ (above
+ (message-goto-body)
+ (insert body-text)
+ (insert (if (bolp) "\n" "\n\n"))
+ (message-goto-body))
+ (below
+ (message-goto-signature)))
+ ;; Add a `message-setup-very-last-hook' here?
+ ;; Add `gnus-article-highlight-citation' here?
+ (unless modified
+ (setq message-checksum (message-checksum))))))
+
+(defun message-yank-original (&optional arg)
+ "Insert the message being replied to, if any.
+Puts point before the text and mark after.
+Normally indents each nonblank line ARG spaces (default 3). However,
+if `message-yank-prefix' is non-nil, insert that prefix on each line.
+
+This function uses `message-cite-function' to do the actual citing.
+
+Just \\[universal-argument] as argument means don't indent, insert no
+prefix, and don't delete any headers."
+ (interactive "P")
+ ;; eval the let forms contained in message-cite-style
+ (eval
+ `(let ,(if (symbolp message-cite-style)
+ (symbol-value message-cite-style)
+ message-cite-style)
+ (message--yank-original-internal ',arg))))
+
+(defun message-yank-buffer (buffer)
+ "Insert BUFFER into the current buffer and quote it."
+ (interactive "bYank buffer: ")
+ (let ((message-reply-buffer (get-buffer buffer)))
+ (save-window-excursion
+ (message-yank-original))))
+
+(defun message-buffers ()
+ "Return a list of active message buffers."
+ (let (buffers)
+ (save-current-buffer
+ (dolist (buffer (buffer-list t))
+ (set-buffer buffer)
+ (when (and (derived-mode-p 'message-mode)
+ (null message-sent-message-via))
+ (push (buffer-name buffer) buffers))))
+ (nreverse buffers)))
+
+(defun message-cite-original-1 (strip-signature)
+ "Cite an original message.
+If STRIP-SIGNATURE is non-nil, strips off the signature from the
+original message.
+
+This function uses `mail-citation-hook' if that is non-nil."
+ (if (and (boundp 'mail-citation-hook)
+ mail-citation-hook)
+ (run-hooks 'mail-citation-hook)
+ (let* ((start (point))
+ (end (mark t))
+ (x-no-archive nil)
+ (functions
+ (when message-indent-citation-function
+ (if (listp message-indent-citation-function)
+ message-indent-citation-function
+ (list message-indent-citation-function))))
+ ;; This function may be called by `gnus-summary-yank-message' and
+ ;; may insert a different article from the original. So, we will
+ ;; modify the value of `message-reply-headers' with that article.
+ (message-reply-headers
+ (save-restriction
+ (narrow-to-region start end)
+ (message-narrow-to-head-1)
+ (setq x-no-archive (message-fetch-field "x-no-archive"))
+ (vector 0
+ (or (message-fetch-field "subject") "none")
+ (or (message-fetch-field "from") "nobody")
+ (message-fetch-field "date")
+ (message-fetch-field "message-id" t)
+ (message-fetch-field "references")
+ 0 0 ""))))
+ (mml-quote-region start end)
+ (when strip-signature
+ ;; Allow undoing.
+ (undo-boundary)
+ (goto-char end)
+ (when (re-search-backward message-signature-separator start t)
+ ;; Also peel off any blank lines before the signature.
+ (forward-line -1)
+ (while (looking-at "^[ \t]*$")
+ (forward-line -1))
+ (forward-line 1)
+ (delete-region (point) end)
+ (unless (search-backward "\n\n" start t)
+ ;; Insert a blank line if it is peeled off.
+ (insert "\n"))))
+ (goto-char start)
+ (mapc 'funcall functions)
+ (when message-citation-line-function
+ (unless (bolp)
+ (insert "\n"))
+ (funcall message-citation-line-function))
+ (when (and x-no-archive
+ (not message-cite-articles-with-x-no-archive)
+ (string-match "yes" x-no-archive))
+ (undo-boundary)
+ (delete-region (point) (mark t))
+ (insert "> [Quoted text removed due to X-No-Archive]\n")
+ (push-mark)
+ (forward-line -1)))))
+
+(defun message-cite-original ()
+ "Cite function in the standard Message manner."
+ (message-cite-original-1 nil))
+
+(autoload 'format-spec "format-spec")
+(autoload 'gnus-date-get-time "gnus-util")
+
+(defun message-insert-formatted-citation-line (&optional from date tz)
+ "Function that inserts a formatted citation line.
+The optional FROM, and DATE are strings containing the contents of
+the From header and the Date header respectively. The optional TZ
+is a number of seconds, overrides the time zone of DATE.
+
+See `message-citation-line-format'."
+ ;; The optional args are for testing/debugging. They will disappear later.
+ ;; Example:
+ ;; (with-temp-buffer
+ ;; (message-insert-formatted-citation-line
+ ;; "John Doe <john.doe@example.invalid>"
+ ;; (message-make-date))
+ ;; (buffer-string))
+ (when (or message-reply-headers (and from date))
+ (unless from
+ (setq from (mail-header-from message-reply-headers)))
+ (let* ((data (condition-case ()
+ (funcall (if (boundp 'gnus-extract-address-components)
+ gnus-extract-address-components
+ 'mail-extract-address-components)
+ from)
+ (error nil)))
+ (name (car data))
+ (fname name)
+ (lname name)
+ (net (car (cdr data)))
+ (name-or-net (or (car data)
+ (car (cdr data)) from))
+ (time
+ (when (string-match "%[^fnNFL]" message-citation-line-format)
+ (cond ((numberp (car-safe date)) date) ;; backward compatibility
+ (date (gnus-date-get-time date))
+ (t
+ (gnus-date-get-time
+ (setq date (mail-header-date message-reply-headers)))))))
+ (tz (or tz
+ (when (stringp date)
+ (nth 8 (parse-time-string date)))))
+ (flist
+ (let ((i ?A) lst)
+ (when (stringp name)
+ ;; Guess first name and last name:
+ (let* ((names (delq
+ nil
+ (mapcar
+ (lambda (x)
+ (if (string-match "\\`\\(\\w\\|[-.]\\)+\\'"
+ x)
+ x
+ nil))
+ (split-string name "[ \t]+"))))
+ (count (length names)))
+ (cond ((= count 1)
+ (setq fname (car names)
+ lname ""))
+ ((or (= count 2) (= count 3))
+ (setq fname (car names)
+ lname (mapconcat 'identity (cdr names) " ")))
+ ((> count 3)
+ (setq fname (mapconcat 'identity
+ (butlast names (- count 2))
+ " ")
+ lname (mapconcat 'identity
+ (nthcdr 2 names)
+ " "))))
+ (when (string-match "\\(.*\\),\\'" fname)
+ (let ((newlname (match-string 1 fname)))
+ (setq fname lname lname newlname)))))
+ ;; The following letters are not used in `format-time-string':
+ (push ?E lst) (push "<E>" lst)
+ (push ?F lst) (push (or fname name-or-net) lst)
+ ;; We might want to use "" instead of "<X>" later.
+ (push ?J lst) (push "<J>" lst)
+ (push ?K lst) (push "<K>" lst)
+ (push ?L lst) (push lname lst)
+ (push ?N lst) (push name-or-net lst)
+ (push ?O lst) (push "<O>" lst)
+ (push ?P lst) (push "<P>" lst)
+ (push ?Q lst) (push "<Q>" lst)
+ (push ?f lst) (push from lst)
+ (push ?i lst) (push "<i>" lst)
+ (push ?n lst) (push net lst)
+ (push ?o lst) (push "<o>" lst)
+ (push ?q lst) (push "<q>" lst)
+ (push ?t lst) (push "<t>" lst)
+ (push ?v lst) (push "<v>" lst)
+ ;; Delegate the rest to `format-time-string':
+ (while (<= i ?z)
+ (when (and (not (memq i lst))
+ ;; Skip (Z,a)
+ (or (<= i ?Z)
+ (>= i ?a)))
+ (push i lst)
+ (push (condition-case nil
+ (gmm-format-time-string (format "%%%c" i) time tz)
+ (error (format ">%c<" i)))
+ lst))
+ (setq i (1+ i)))
+ (reverse lst)))
+ (spec (apply 'format-spec-make flist)))
+ (insert (format-spec message-citation-line-format spec)))
+ (newline)))
+
+(defun message-cite-original-without-signature ()
+ "Cite function in the standard Message manner.
+This function strips off the signature from the original message."
+ (message-cite-original-1 t))
+
+(defun message-insert-citation-line ()
+ "Insert a simple citation line."
+ (when message-reply-headers
+ (insert (mail-header-from message-reply-headers) " writes:")
+ (newline)
+ (newline)))
+
+(defun message-position-on-field (header &rest afters)
+ (let ((case-fold-search t))
+ (save-restriction
+ (narrow-to-region
+ (goto-char (point-min))
+ (progn
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "$"))
+ (match-beginning 0)))
+ (goto-char (point-min))
+ (if (re-search-forward (concat "^" (regexp-quote header) ":") nil t)
+ (progn
+ (re-search-forward "^[^ \t]" nil 'move)
+ (beginning-of-line)
+ (skip-chars-backward "\n")
+ t)
+ (while (and afters
+ (not (re-search-forward
+ (concat "^" (regexp-quote (car afters)) ":")
+ nil t)))
+ (pop afters))
+ (when afters
+ (re-search-forward "^[^ \t]" nil 'move)
+ (beginning-of-line))
+ (insert header ": \n")
+ (forward-char -1)
+ nil))))
+
+\f
+
+;;;
+;;; Sending messages
+;;;
+
+(defun message-send-and-exit (&optional arg)
+ "Send message like `message-send', then, if no errors, exit from mail buffer.
+The usage of ARG is defined by the instance that called Message.
+It should typically alter the sending method in some way or other."
+ (interactive "P")
+ (let ((buf (current-buffer))
+ (actions message-exit-actions))
+ (when (and (message-send arg)
+ (buffer-name buf))
+ (message-bury buf)
+ (if message-kill-buffer-on-exit
+ (kill-buffer buf))
+ (message-do-actions actions)
+ t)))
+
+(defun message-dont-send ()
+ "Don't send the message you have been editing.
+Instead, just auto-save the buffer and then bury it."
+ (interactive)
+ (set-buffer-modified-p t)
+ (save-buffer)
+ (let ((actions message-postpone-actions))
+ (message-bury (current-buffer))
+ (message-do-actions actions)))
+
+(defun message-kill-buffer ()
+ "Kill the current buffer."
+ (interactive)
+ (when (or (not (buffer-modified-p))
+ (not message-kill-buffer-query)
+ (yes-or-no-p "Message modified; kill anyway? "))
+ (let ((actions message-kill-actions)
+ (draft-article message-draft-article)
+ (auto-save-file-name buffer-auto-save-file-name)
+ (file-name buffer-file-name)
+ (modified (buffer-modified-p)))
+ (setq buffer-file-name nil)
+ (kill-buffer (current-buffer))
+ (when (and (or (and auto-save-file-name
+ (file-exists-p auto-save-file-name))
+ (and file-name
+ (file-exists-p file-name)))
+ (progn
+ ;; If the message buffer has lived in a dedicated window,
+ ;; `kill-buffer' has killed the frame. Thus the
+ ;; `yes-or-no-p' may show up in a lowered frame. Make sure
+ ;; that the user can see the question by raising the
+ ;; current frame:
+ (raise-frame)
+ (yes-or-no-p (format "Remove the backup file%s? "
+ (if modified " too" "")))))
+ (ignore-errors
+ (delete-file auto-save-file-name))
+ (let ((message-draft-article draft-article))
+ (message-disassociate-draft)))
+ (message-do-actions actions))))
+
+(defun message-bury (buffer)
+ "Bury this mail BUFFER."
+ ;; Note that this is not quite the same as (bury-buffer buffer),
+ ;; since bury-buffer does extra stuff with a nil argument.
+ ;; Eg http://lists.gnu.org/archive/html/emacs-devel/2014-01/msg00539.html
+ (with-current-buffer buffer (bury-buffer))
+ (if message-return-action
+ (apply (car message-return-action) (cdr message-return-action))))
+
+(defun message-send (&optional arg)
+ "Send the message in the current buffer.
+If `message-interactive' is non-nil, wait for success indication or
+error messages, and inform user.
+Otherwise any failure is reported in a message back to the user from
+the mailer.
+The usage of ARG is defined by the instance that called Message.
+It should typically alter the sending method in some way or other."
+ (interactive "P")
+ ;; Make it possible to undo the coming changes.
+ (undo-boundary)
+ (let ((inhibit-read-only t))
+ (put-text-property (point-min) (point-max) 'read-only nil))
+ (message-fix-before-sending)
+ (run-hooks 'message-send-hook)
+ (when message-confirm-send
+ (or (y-or-n-p "Send message? ")
+ (keyboard-quit)))
+ (message message-sending-message)
+ (let ((alist message-send-method-alist)
+ (success t)
+ elem sent dont-barf-on-no-method
+ (message-options message-options))
+ (message-options-set-recipient)
+ (while (and success
+ (setq elem (pop alist)))
+ (when (funcall (cadr elem))
+ (when (and (or (not (memq (car elem)
+ message-sent-message-via))
+ (message-fetch-field "supersedes")
+ (if (or (message-gnksa-enable-p 'multiple-copies)
+ (not (eq (car elem) 'news)))
+ (y-or-n-p
+ (format
+ "Already sent message via %s; resend? "
+ (car elem)))
+ (error "Denied posting -- multiple copies")))
+ (setq success (funcall (caddr elem) arg)))
+ (setq sent t))))
+ (unless (or sent
+ (not success)
+ (let ((fcc (message-fetch-field "Fcc"))
+ (gcc (message-fetch-field "Gcc")))
+ (when (or fcc gcc)
+ (or (eq message-allow-no-recipients 'always)
+ (and (not (eq message-allow-no-recipients 'never))
+ (setq dont-barf-on-no-method
+ (gnus-y-or-n-p
+ (format "No receiver, perform %s anyway? "
+ (cond ((and fcc gcc) "Fcc and Gcc")
+ (fcc "Fcc")
+ (t "Gcc"))))))))))
+ (error "No methods specified to send by"))
+ (when (or dont-barf-on-no-method
+ (and success sent))
+ (message-do-fcc)
+ (save-excursion
+ (run-hooks 'message-sent-hook))
+ (message "Sending...done")
+ ;; Do ecomplete address snarfing.
+ (when (and (message-mail-alias-type-p 'ecomplete)
+ (not message-inhibit-ecomplete))
+ (message-put-addresses-in-ecomplete))
+ ;; Mark the buffer as unmodified and delete auto-save.
+ (set-buffer-modified-p nil)
+ (delete-auto-save-file-if-necessary t)
+ (message-disassociate-draft)
+ ;; Delete other mail buffers and stuff.
+ (message-do-send-housekeeping)
+ (message-do-actions message-send-actions)
+ ;; Return success.
+ t)))
+
+(defun message-send-via-mail (arg)
+ "Send the current message via mail."
+ (message-send-mail arg))
+
+(defun message-send-via-news (arg)
+ "Send the current message via news."
+ (funcall message-send-news-function arg))
+
+(defmacro message-check (type &rest forms)
+ "Eval FORMS if TYPE is to be checked."
+ `(or (message-check-element ,type)
+ (save-excursion
+ ,@forms)))
+
+(put 'message-check 'lisp-indent-function 1)
+(put 'message-check 'edebug-form-spec '(form body))
+
+(defun message-text-with-property (prop &optional start end reverse)
+ "Return a list of start and end positions where the text has PROP.
+START and END bound the search, they default to `point-min' and
+`point-max' respectively. If REVERSE is non-nil, find text which does
+not have PROP."
+ (unless start
+ (setq start (point-min)))
+ (unless end
+ (setq end (point-max)))
+ (let (next regions)
+ (if reverse
+ (while (and start
+ (setq start (text-property-any start end prop nil)))
+ (setq next (next-single-property-change start prop nil end))
+ (push (cons start (or next end)) regions)
+ (setq start next))
+ (while (and start
+ (or (get-text-property start prop)
+ (and (setq start (next-single-property-change
+ start prop nil end))
+ (get-text-property start prop))))
+ (setq next (text-property-any start end prop nil))
+ (push (cons start (or next end)) regions)
+ (setq start next)))
+ (nreverse regions)))
+
+(defcustom message-bogus-addresses
+ '("noreply" "nospam" "invalid" "@@" "[^[:ascii:]].*@" "[ \t]")
+ "List of regexps of potentially bogus mail addresses.
+See `message-check-recipients' how to setup checking.
+
+This list should make it possible to catch typos or warn about
+spam-trap addresses. It doesn't aim to verify strict RFC
+conformance."
+ :version "23.1" ;; No Gnus
+ :group 'message-headers
+ :type '(choice
+ (const :tag "None" nil)
+ (list
+ (set :inline t
+ (const "noreply")
+ (const "nospam")
+ (const "invalid")
+ (const :tag "duplicate @" "@@")
+ (const :tag "non-ascii local part" "[^[:ascii:]].*@")
+ ;; Already caught by `message-valid-fqdn-regexp'
+ ;; (const :tag "`_' in domain part" "@.*_")
+ (const :tag "whitespace" "[ \t]"))
+ (repeat :inline t
+ :tag "Other"
+ (regexp)))))
+
+(defun message-fix-before-sending ()
+ "Do various things to make the message nice before sending it."
+ ;; Make sure there's a newline at the end of the message.
+ (goto-char (point-max))
+ (unless (bolp)
+ (insert "\n"))
+ ;; Make the hidden headers visible.
+ (widen)
+ ;; Sort headers before sending the message.
+ (message-sort-headers)
+ ;; Make invisible text visible.
+ ;; It doesn't seem as if this is useful, since the invisible property
+ ;; is clobbered by an after-change hook anyhow.
+ (message-check 'invisible-text
+ (let ((regions (message-text-with-property 'invisible))
+ from to)
+ (when regions
+ (while regions
+ (setq from (caar regions)
+ to (cdar regions)
+ regions (cdr regions))
+ (put-text-property from to 'invisible nil)
+ (overlay-put (make-overlay from to) 'face 'highlight))
+ (unless (yes-or-no-p
+ "Invisible text found and made visible; continue sending? ")
+ (error "Invisible text found and made visible")))))
+ (message-check 'illegible-text
+ (let (char found choice nul-chars)
+ (message-goto-body)
+ (setq nul-chars (save-excursion
+ (search-forward "\000" nil t)))
+ (while (progn
+ (skip-chars-forward mm-7bit-chars)
+ (when (get-text-property (point) 'no-illegible-text)
+ ;; There is a signed or encrypted raw message part
+ ;; that is considered to be safe.
+ (goto-char (or (next-single-property-change
+ (point) 'no-illegible-text)
+ (point-max))))
+ (setq char (char-after)))
+ (when (or (< (mm-char-int char) 128)
+ (and (mm-multibyte-p)
+ (memq (char-charset char)
+ '(eight-bit-control eight-bit-graphic
+ ;; Emacs 23, Bug#1770:
+ eight-bit
+ control-1))
+ (not (get-text-property
+ (point) 'untranslated-utf-8))))
+ (overlay-put (make-overlay (point) (1+ (point))) 'face 'highlight)
+ (setq found t))
+ (forward-char))
+ (when found
+ (setq choice
+ (gnus-multiple-choice
+ (if nul-chars
+ "NUL characters found, which may cause problems. Continue sending?"
+ "Non-printable characters found. Continue sending?")
+ `((?d "Remove non-printable characters and send")
+ (?r ,(format
+ "Replace non-printable characters with \"%s\" and send"
+ message-replacement-char))
+ (?s "Send as is without removing anything")
+ (?e "Continue editing"))))
+ (if (eq choice ?e)
+ (error "Non-printable characters"))
+ (message-goto-body)
+ (skip-chars-forward mm-7bit-chars)
+ (while (not (eobp))
+ (when (let ((char (char-after)))
+ (or (< (mm-char-int char) 128)
+ (and (mm-multibyte-p)
+ ;; FIXME: Wrong for Emacs 23 (unicode) and for
+ ;; things like undecodable utf-8 (in Emacs 21?).
+ ;; Should at least use find-coding-systems-region.
+ ;; -- fx
+ (memq (char-charset char)
+ '(eight-bit-control eight-bit-graphic
+ ;; Emacs 23, Bug#1770:
+ eight-bit
+ control-1))
+ (not (get-text-property
+ (point) 'untranslated-utf-8)))))
+ (if (eq choice ?i)
+ (message-kill-all-overlays)
+ (delete-char 1)
+ (when (eq choice ?r)
+ (insert message-replacement-char))))
+ (forward-char)
+ (skip-chars-forward mm-7bit-chars)))))
+ (message-check 'bogus-recipient
+ ;; Warn before sending a mail to an invalid address.
+ (message-check-recipients)))
+
+(defun message-bogus-recipient-p (recipients)
+ "Check if a mail address in RECIPIENTS looks bogus.
+
+RECIPIENTS is a mail header. Return a list of potentially bogus
+addresses. If none is found, return nil.
+
+An address might be bogus if the domain part is not fully
+qualified, see `message-valid-fqdn-regexp', or if there's a
+matching entry in `message-bogus-addresses'."
+ ;; FIXME: How about "foo@subdomain", when the MTA adds ".domain.tld"?
+ (let (found)
+ (mapc (lambda (address)
+ (setq address (or (cadr address) ""))
+ (when
+ (or (string= "" address)
+ (not
+ (or
+ (not (string-match "@" address))
+ (string-match
+ (concat ".@.*\\("
+ message-valid-fqdn-regexp "\\)\\'") address)))
+ (and message-bogus-addresses
+ (let ((re
+ (if (listp message-bogus-addresses)
+ (mapconcat 'identity
+ message-bogus-addresses
+ "\\|")
+ message-bogus-addresses)))
+ (string-match re address))))
+ (push address found)))
+ ;;
+ (mail-extract-address-components recipients t))
+ found))
+
+(defun message-check-recipients ()
+ "Warn before composing or sending a mail to an invalid address.
+
+This function could be useful in `message-setup-hook'."
+ (interactive)
+ (save-restriction
+ (message-narrow-to-headers)
+ (dolist (hdr '("To" "Cc" "Bcc"))
+ (let ((addr (message-fetch-field hdr)))
+ (when (stringp addr)
+ (dolist (bog (message-bogus-recipient-p addr))
+ (and bog
+ (not (y-or-n-p
+ (gnus-format-message
+ "Address `%s'%s might be bogus. Continue? "
+ bog
+ ;; If the encoded version of the email address
+ ;; is different from the unencoded version,
+ ;; then we likely have invisible characters or
+ ;; the like. Display the encoded version,
+ ;; too.
+ (let ((encoded (rfc2047-encode-string bog)))
+ (if (string= encoded bog)
+ ""
+ (format " (%s)" encoded))))))
+ (error "Bogus address"))))))))
+
+(custom-add-option 'message-setup-hook 'message-check-recipients)
+
+(defun message-add-action (action &rest types)
+ "Add ACTION to be performed when doing an exit of type TYPES."
+ (while types
+ (add-to-list (intern (format "message-%s-actions" (pop types)))
+ action)))
+
+(defun message-delete-action (action &rest types)
+ "Delete ACTION from lists of actions performed when doing an exit of type TYPES."
+ (let (var)
+ (while types
+ (set (setq var (intern (format "message-%s-actions" (pop types))))
+ (delq action (symbol-value var))))))
+
+(defun message-do-actions (actions)
+ "Perform all actions in ACTIONS."
+ ;; Now perform actions on successful sending.
+ (dolist (action actions)
+ (ignore-errors
+ (cond
+ ;; A simple function.
+ ((functionp action)
+ (funcall action))
+ ;; Something to be evalled.
+ (t
+ (eval action))))))
+
+(defun message-send-mail-partially ()
+ "Send mail as message/partial."
+ ;; replace the header delimiter with a blank line
+ (goto-char (point-min))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "\n"))
+ (replace-match "\n")
+ (run-hooks 'message-send-mail-hook)
+ (let ((p (goto-char (point-min)))
+ (tembuf (message-generate-new-buffer-clone-locals " message temp"))
+ (curbuf (current-buffer))
+ (id (message-make-message-id)) (n 1)
+ plist total header)
+ (while (not (eobp))
+ (if (< (point-max) (+ p message-send-mail-partially-limit))
+ (goto-char (point-max))
+ (goto-char (+ p message-send-mail-partially-limit))
+ (beginning-of-line)
+ (if (<= (point) p) (forward-line 1))) ;; In case of bad message.
+ (push p plist)
+ (setq p (point)))
+ (setq total (length plist))
+ (push (point-max) plist)
+ (setq plist (nreverse plist))
+ (unwind-protect
+ (save-excursion
+ (setq p (pop plist))
+ (while plist
+ (set-buffer curbuf)
+ (copy-to-buffer tembuf p (car plist))
+ (set-buffer tembuf)
+ (goto-char (point-min))
+ (if header
+ (progn
+ (goto-char (point-min))
+ (narrow-to-region (point) (point))
+ (insert header))
+ (message-goto-eoh)
+ (setq header (buffer-substring (point-min) (point)))
+ (goto-char (point-min))
+ (narrow-to-region (point) (point))
+ (insert header)
+ (message-remove-header "Mime-Version")
+ (message-remove-header "Content-Type")
+ (message-remove-header "Content-Transfer-Encoding")
+ (message-remove-header "Message-ID")
+ (message-remove-header "Lines")
+ (goto-char (point-max))
+ (insert "Mime-Version: 1.0\n")
+ (setq header (buffer-string)))
+ (goto-char (point-max))
+ (insert (format "Content-Type: message/partial; id=\"%s\"; number=%d; total=%d\n\n"
+ id n total))
+ (forward-char -1)
+ (let ((mail-header-separator ""))
+ (when (memq 'Message-ID message-required-mail-headers)
+ (insert "Message-ID: " (message-make-message-id) "\n"))
+ (when (memq 'Lines message-required-mail-headers)
+ (insert "Lines: " (message-make-lines) "\n"))
+ (message-goto-subject)
+ (end-of-line)
+ (insert (format " (%d/%d)" n total))
+ (widen)
+ (if message-send-mail-real-function
+ (funcall message-send-mail-real-function)
+ (message-multi-smtp-send-mail)))
+ (setq n (+ n 1))
+ (setq p (pop plist))
+ (erase-buffer)))
+ (kill-buffer tembuf))))
+
+(declare-function hashcash-wait-async "hashcash" (&optional buffer))
+
+(defun message-send-mail (&optional arg)
+ (require 'mail-utils)
+ (let* ((tembuf (message-generate-new-buffer-clone-locals " message temp"))
+ (case-fold-search nil)
+ (news (message-news-p))
+ (mailbuf (current-buffer))
+ (message-this-is-mail t)
+ ;; gnus-setup-posting-charset is autoloaded in mml.el (FIXME
+ ;; maybe it should not be), which this file requires. Hence
+ ;; the fboundp test is always true. Loading it from gnus-msg
+ ;; loads many Gnus files (Bug#5642). If
+ ;; gnus-group-posting-charset-alist hasn't been customized,
+ ;; this is just going to return nil anyway. FIXME it would
+ ;; be good to improve this further, because even if g-g-p-c-a
+ ;; has been customized, that is likely to just be for news.
+ ;; Eg either move the definition from gnus-msg, or separate out
+ ;; the mail and news parts.
+ (message-posting-charset
+ (if (and (fboundp 'gnus-setup-posting-charset)
+ (boundp 'gnus-group-posting-charset-alist))
+ (gnus-setup-posting-charset nil)
+ message-posting-charset))
+ (headers message-required-mail-headers)
+ options)
+ (when (and message-generate-hashcash
+ (not (eq message-generate-hashcash 'opportunistic)))
+ (message "Generating hashcash...")
+ (require 'hashcash)
+ ;; Wait for calculations already started to finish...
+ (hashcash-wait-async)
+ ;; ...and do calculations not already done. mail-add-payment
+ ;; will leave existing X-Hashcash headers alone.
+ (mail-add-payment)
+ (message "Generating hashcash...done"))
+ (save-restriction
+ (message-narrow-to-headers)
+ ;; Generate the Mail-Followup-To header if the header is not there...
+ (if (and (message-subscribed-p)
+ (not (mail-fetch-field "mail-followup-to")))
+ (setq headers
+ (cons
+ (cons "Mail-Followup-To" (message-make-mail-followup-to))
+ message-required-mail-headers))
+ ;; otherwise, delete the MFT header if the field is empty
+ (when (equal "" (mail-fetch-field "mail-followup-to"))
+ (message-remove-header "^Mail-Followup-To:")))
+ ;; Insert some headers.
+ (let ((message-deletable-headers
+ (if news nil message-deletable-headers)))
+ (message-generate-headers headers))
+ ;; Check continuation headers.
+ (message-check 'continuation-headers
+ (goto-char (point-min))
+ (while (re-search-forward "^[^ \t\n][^ \t\n:]*[ \t\n]" nil t)
+ (goto-char (match-beginning 0))
+ (if (y-or-n-p "Fix continuation lines? ")
+ (insert " ")
+ (forward-line 1)
+ (unless (y-or-n-p "Send anyway? ")
+ (error "Failed to send the message")))))
+ ;; Let the user do all of the above.
+ (run-hooks 'message-header-hook))
+ (setq options message-options)
+ (unwind-protect
+ (with-current-buffer tembuf
+ (erase-buffer)
+ (setq message-options options)
+ ;; Avoid copying text props (except hard newlines).
+ (insert (with-current-buffer mailbuf
+ (mml-buffer-substring-no-properties-except-hard-newlines
+ (point-min) (point-max))))
+ ;; Remove some headers.
+ (message-encode-message-body)
+ (save-restriction
+ (message-narrow-to-headers)
+ ;; We (re)generate the Lines header.
+ (when (memq 'Lines message-required-mail-headers)
+ (message-generate-headers '(Lines)))
+ ;; Remove some headers.
+ (message-remove-header message-ignored-mail-headers t)
+ (let ((mail-parse-charset message-default-charset))
+ (mail-encode-encoded-word-buffer)))
+ (goto-char (point-max))
+ ;; require one newline at the end.
+ (or (= (preceding-char) ?\n)
+ (insert ?\n))
+ (message-cleanup-headers)
+ ;; FIXME: we're inserting the courtesy copy after encoding.
+ ;; This is wrong if the courtesy copy string contains
+ ;; non-ASCII characters. -- jh
+ (when
+ (save-restriction
+ (message-narrow-to-headers)
+ (and news
+ (not (message-fetch-field "List-Post"))
+ (not (message-fetch-field "List-ID"))
+ (or (message-fetch-field "cc")
+ (message-fetch-field "bcc")
+ (message-fetch-field "to"))
+ (let ((content-type (message-fetch-field
+ "content-type")))
+ (and
+ (or
+ (not content-type)
+ (string= "text/plain"
+ (car
+ (mail-header-parse-content-type
+ content-type))))
+ (not
+ (string= "base64"
+ (message-fetch-field
+ "content-transfer-encoding")))))))
+ (message-insert-courtesy-copy
+ (with-current-buffer mailbuf
+ message-courtesy-message)))
+ ;; Let's make sure we encoded all the body.
+ (assert (save-excursion
+ (goto-char (point-min))
+ (not (re-search-forward "[^\000-\377]" nil t))))
+ (mm-disable-multibyte)
+ (if (or (not message-send-mail-partially-limit)
+ (< (buffer-size) message-send-mail-partially-limit)
+ (not (message-y-or-n-p
+ "The message size is too large, split? "
+ t
+ "\
+The message size, "
+ (/ (buffer-size) 1000) "KB, is too large.
+
+Some mail gateways (MTA's) bounce large messages. To avoid the
+problem, answer `y', and the message will be split into several
+smaller pieces, the size of each is about "
+ (/ message-send-mail-partially-limit 1000)
+ "KB except the last
+one.
+
+However, some mail readers (MUA's) can't read split messages, i.e.,
+mails in message/partially format. Answer `n', and the message will be
+sent in one piece.
+
+The size limit is controlled by `message-send-mail-partially-limit'.
+If you always want Gnus to send messages in one piece, set
+`message-send-mail-partially-limit' to nil.
+")))
+ (progn
+ (message "Sending via mail...")
+ (if message-send-mail-real-function
+ (funcall message-send-mail-real-function)
+ (message-multi-smtp-send-mail)))
+ (message-send-mail-partially))
+ (setq options message-options))
+ (kill-buffer tembuf))
+ (set-buffer mailbuf)
+ (setq message-options options)
+ (push 'mail message-sent-message-via)))
+
+(defvar sendmail-program)
+(defvar smtpmail-smtp-user)
+
+(defun message-multi-smtp-send-mail ()
+ "Send the current buffer to `message-send-mail-function'.
+Or, if there's a header that specifies a different method, use
+that instead."
+ (let ((method (message-field-value "X-Message-SMTP-Method")))
+ (if (not method)
+ (funcall message-send-mail-function)
+ (message-remove-header "X-Message-SMTP-Method")
+ (setq method (split-string method))
+ (cond
+ ((equal (car method) "sendmail")
+ (message-send-mail-with-sendmail))
+ ((equal (car method) "smtp")
+ (require 'smtpmail)
+ (let ((smtpmail-smtp-server (nth 1 method))
+ (smtpmail-smtp-service (nth 2 method))
+ (smtpmail-smtp-user (or (nth 3 method) smtpmail-smtp-user)))
+ (message-smtpmail-send-it)))
+ (t
+ (error "Unknown method %s" method))))))
+
+(defun message-send-mail-with-sendmail ()
+ "Send off the prepared buffer with sendmail."
+ (require 'sendmail)
+ (let ((errbuf (if message-interactive
+ (message-generate-new-buffer-clone-locals
+ " sendmail errors")
+ 0))
+ resend-to-addresses delimline)
+ (unwind-protect
+ (progn
+ (let ((case-fold-search t))
+ (save-restriction
+ (message-narrow-to-headers)
+ (setq resend-to-addresses (message-fetch-field "resent-to")))
+ ;; Change header-delimiter to be what sendmail expects.
+ (goto-char (point-min))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "\n"))
+ (replace-match "\n")
+ (backward-char 1)
+ (setq delimline (point-marker))
+ (run-hooks 'message-send-mail-hook)
+ ;; Insert an extra newline if we need it to work around
+ ;; Sun's bug that swallows newlines.
+ (goto-char (1+ delimline))
+ (when (eval message-mailer-swallows-blank-line)
+ (newline))
+ (when message-interactive
+ (with-current-buffer errbuf
+ (erase-buffer))))
+ (let* ((default-directory "/")
+ (coding-system-for-write message-send-coding-system)
+ (cpr (apply
+ 'call-process-region
+ (append
+ (list (point-min) (point-max) sendmail-program
+ nil errbuf nil "-oi")
+ message-sendmail-extra-arguments
+ ;; Always specify who from,
+ ;; since some systems have broken sendmails.
+ ;; But some systems are more broken with -f, so
+ ;; we'll let users override this.
+ (and (null message-sendmail-f-is-evil)
+ (list "-f" (message-sendmail-envelope-from)))
+ ;; These mean "report errors by mail"
+ ;; and "deliver in background".
+ (if (null message-interactive) '("-oem" "-odb"))
+ ;; Get the addresses from the message
+ ;; unless this is a resend.
+ ;; We must not do that for a resend
+ ;; because we would find the original addresses.
+ ;; For a resend, include the specific addresses.
+ (if resend-to-addresses
+ (list resend-to-addresses)
+ '("-t"))))))
+ (unless (or (null cpr) (and (numberp cpr) (zerop cpr)))
+ (when errbuf
+ (pop-to-buffer errbuf)
+ (setq errbuf nil))
+ (error "Sending...failed with exit value %d" cpr)))
+ (when message-interactive
+ (with-current-buffer errbuf
+ (goto-char (point-min))
+ (while (re-search-forward "\n+ *" nil t)
+ (replace-match "; "))
+ (if (not (zerop (buffer-size)))
+ (error "Sending...failed to %s"
+ (buffer-string))))))
+ (when (bufferp errbuf)
+ (kill-buffer errbuf)))))
+
+(defun message-send-mail-with-qmail ()
+ "Pass the prepared message buffer to qmail-inject.
+Refer to the documentation for the variable `message-send-mail-function'
+to find out how to use this."
+ ;; replace the header delimiter with a blank line
+ (goto-char (point-min))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "\n"))
+ (replace-match "\n")
+ (run-hooks 'message-send-mail-hook)
+ ;; send the message
+ (case
+ (let ((coding-system-for-write message-send-coding-system))
+ (apply
+ 'call-process-region (point-min) (point-max)
+ message-qmail-inject-program nil nil nil
+ ;; qmail-inject's default behavior is to look for addresses on the
+ ;; command line; if there're none, it scans the headers.
+ ;; yes, it does The Right Thing w.r.t. Resent-To and it's kin.
+ ;;
+ ;; in general, ALL of qmail-inject's defaults are perfect for simply
+ ;; reading a formatted (i. e., at least a To: or Resent-To header)
+ ;; message from stdin.
+ ;;
+ ;; qmail also has the advantage of not having been raped by
+ ;; various vendors, so we don't have to allow for that, either --
+ ;; compare this with message-send-mail-with-sendmail and weep
+ ;; for sendmail's lost innocence.
+ ;;
+ ;; all this is way cool coz it lets us keep the arguments entirely
+ ;; free for -inject-arguments -- a big win for the user and for us
+ ;; since we don't have to play that double-guessing game and the user
+ ;; gets full control (no gestapo'ish -f's, for instance). --sj
+ (if (functionp message-qmail-inject-args)
+ (funcall message-qmail-inject-args)
+ message-qmail-inject-args)))
+ ;; qmail-inject doesn't say anything on it's stdout/stderr,
+ ;; we have to look at the retval instead
+ (0 nil)
+ (100 (error "qmail-inject reported permanent failure"))
+ (111 (error "qmail-inject reported transient failure"))
+ ;; should never happen
+ (t (error "qmail-inject reported unknown failure"))))
+
+(defvar mh-previous-window-config)
+
+(defun message-send-mail-with-mh ()
+ "Send the prepared message buffer with mh."
+ (let ((mh-previous-window-config nil)
+ (name (mh-new-draft-name)))
+ (setq buffer-file-name name)
+ ;; MH wants to generate these headers itself.
+ (when message-mh-deletable-headers
+ (let ((headers message-mh-deletable-headers))
+ (while headers
+ (goto-char (point-min))
+ (and (re-search-forward
+ (concat "^" (symbol-name (car headers)) ": *") nil t)
+ (message-delete-line))
+ (pop headers))))
+ (run-hooks 'message-send-mail-hook)
+ ;; Pass it on to mh.
+ (mh-send-letter)))
+
+(defun message-smtpmail-send-it ()
+ "Send the prepared message buffer with `smtpmail-send-it'.
+The only difference from `smtpmail-send-it' is that this command
+evaluates `message-send-mail-hook' just before sending a message.
+It is useful if your ISP requires the POP-before-SMTP
+authentication. See the Gnus manual for details."
+ (run-hooks 'message-send-mail-hook)
+ ;; Change header-delimiter to be what smtpmail expects.
+ (goto-char (point-min))
+ (when (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "\n"))
+ (replace-match "\n"))
+ (smtpmail-send-it))
+
+(defun message-send-mail-with-mailclient ()
+ "Send the prepared message buffer with `mailclient-send-it'.
+The only difference from `mailclient-send-it' is that this
+command evaluates `message-send-mail-hook' just before sending a message."
+ (run-hooks 'message-send-mail-hook)
+ (mailclient-send-it))
+
+(defun message-canlock-generate ()
+ "Return a string that is non-trivial to guess.
+Do not use this for anything important, it is cryptographically weak."
+ (require 'sha1)
+ (let (sha1-maximum-internal-length)
+ (sha1 (concat (message-unique-id)
+ (format "%x%x%x" (random) (random) (random))
+ (prin1-to-string (recent-keys))
+ (prin1-to-string (garbage-collect))))))
+
+(defvar canlock-password)
+(defvar canlock-password-for-verify)
+
+(defun message-canlock-password ()
+ "The password used by message for cancel locks.
+This is the value of `canlock-password', if that option is non-nil.
+Otherwise, generate and save a value for `canlock-password' first."
+ (require 'canlock)
+ (unless canlock-password
+ (customize-save-variable 'canlock-password (message-canlock-generate))
+ (setq canlock-password-for-verify canlock-password))
+ canlock-password)
+
+(defun message-insert-canlock ()
+ (when message-insert-canlock
+ (message-canlock-password)
+ (canlock-insert-header)))
+
+(autoload 'nnheader-get-report "nnheader")
+
+(declare-function gnus-setup-posting-charset "gnus-msg" (group))
+
+(defun message-send-news (&optional arg)
+ (require 'gnus-msg)
+ (let* ((tembuf (message-generate-new-buffer-clone-locals " *message temp*"))
+ (case-fold-search nil)
+ (method (if (functionp message-post-method)
+ (funcall message-post-method arg)
+ message-post-method))
+ (newsgroups-field (save-restriction
+ (message-narrow-to-headers-or-head)
+ (message-fetch-field "Newsgroups")))
+ (followup-field (save-restriction
+ (message-narrow-to-headers-or-head)
+ (message-fetch-field "Followup-To")))
+ ;; BUG: We really need to get the charset for each name in the
+ ;; Newsgroups and Followup-To lines to allow crossposting
+ ;; between group names with incompatible character sets.
+ ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2001-10-08.
+ (group-field-charset
+ (gnus-group-name-charset method newsgroups-field))
+ (followup-field-charset
+ (gnus-group-name-charset method (or followup-field "")))
+ (rfc2047-header-encoding-alist
+ (append (when group-field-charset
+ (list (cons "Newsgroups" group-field-charset)))
+ (when followup-field-charset
+ (list (cons "Followup-To" followup-field-charset)))
+ rfc2047-header-encoding-alist))
+ (messbuf (current-buffer))
+ (message-syntax-checks
+ (if (and arg
+ (listp message-syntax-checks))
+ (cons '(existing-newsgroups . disabled)
+ message-syntax-checks)
+ message-syntax-checks))
+ (message-this-is-news t)
+ (message-posting-charset
+ (gnus-setup-posting-charset newsgroups-field))
+ result)
+ (if (not (message-check-news-body-syntax))
+ nil
+ (save-restriction
+ (message-narrow-to-headers)
+ ;; Insert some headers.
+ (message-generate-headers message-required-news-headers)
+ (message-insert-canlock)
+ ;; Let the user do all of the above.
+ (run-hooks 'message-header-hook))
+ ;; Note: This check will be disabled by the ".*" default value for
+ ;; gnus-group-name-charset-group-alist. -- Pa 2001-10-07.
+ (when (and group-field-charset
+ (listp message-syntax-checks))
+ (setq message-syntax-checks
+ (cons '(valid-newsgroups . disabled)
+ message-syntax-checks)))
+ (message-cleanup-headers)
+ (if (not (let ((message-post-method method))
+ (message-check-news-syntax)))
+ nil
+ (unwind-protect
+ (with-current-buffer tembuf
+ (buffer-disable-undo)
+ (erase-buffer)
+ ;; Avoid copying text props (except hard newlines).
+ (insert
+ (with-current-buffer messbuf
+ (mml-buffer-substring-no-properties-except-hard-newlines
+ (point-min) (point-max))))
+ (message-encode-message-body)
+ ;; Remove some headers.
+ (save-restriction
+ (message-narrow-to-headers)
+ ;; We (re)generate the Lines header.
+ (when (memq 'Lines message-required-mail-headers)
+ (message-generate-headers '(Lines)))
+ ;; Remove some headers.
+ (message-remove-header message-ignored-news-headers t)
+ (let ((mail-parse-charset message-default-charset))
+ (mail-encode-encoded-word-buffer)))
+ (goto-char (point-max))
+ ;; require one newline at the end.
+ (or (= (preceding-char) ?\n)
+ (insert ?\n))
+ (let ((case-fold-search t))
+ ;; Remove the delimiter.
+ (goto-char (point-min))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "\n"))
+ (replace-match "\n")
+ (backward-char 1))
+ (run-hooks 'message-send-news-hook)
+ (gnus-open-server method)
+ (message "Sending news via %s..." (gnus-server-string method))
+ (setq result (let ((mail-header-separator ""))
+ (gnus-request-post method))))
+ (kill-buffer tembuf))
+ (set-buffer messbuf)
+ (if result
+ (push 'news message-sent-message-via)
+ (message "Couldn't send message via news: %s"
+ (nnheader-get-report (car method)))
+ nil)))))
+
+;;;
+;;; Header generation & syntax checking.
+;;;
+
+(defun message-check-element (type)
+ "Return non-nil if this TYPE is not to be checked."
+ (if (eq message-syntax-checks 'dont-check-for-anything-just-trust-me)
+ t
+ (let ((able (assq type message-syntax-checks)))
+ (and (consp able)
+ (eq (cdr able) 'disabled)))))
+
+(defun message-check-news-syntax ()
+ "Check the syntax of the message."
+ (save-excursion
+ (save-restriction
+ (widen)
+ ;; We narrow to the headers and check them first.
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-check-news-header-syntax))))))
+
+(defun message-check-news-header-syntax ()
+ (and
+ ;; Check Newsgroups header.
+ (message-check 'newsgroups
+ (let ((group (message-fetch-field "newsgroups")))
+ (or
+ (and group
+ (not (string-match "\\`[ \t]*\\'" group)))
+ (ignore
+ (message
+ "The newsgroups field is empty or missing. Posting is denied.")))))
+ ;; Check the Subject header.
+ (message-check 'subject
+ (let* ((case-fold-search t)
+ (subject (message-fetch-field "subject")))
+ (or
+ (and subject
+ (not (string-match "\\`[ \t]*\\'" subject)))
+ (ignore
+ (message
+ "The subject field is empty or missing. Posting is denied.")))))
+ ;; Check for commands in Subject.
+ (message-check 'subject-cmsg
+ (if (string-match "^cmsg " (message-fetch-field "subject"))
+ (y-or-n-p
+ "The control code \"cmsg\" is in the subject. Really post? ")
+ t))
+ ;; Check long header lines.
+ (message-check 'long-header-lines
+ (let ((header nil)
+ (length 0)
+ found)
+ (while (and (not found)
+ (re-search-forward "^\\([^ \t:]+\\): " nil t))
+ (if (> (- (point) (match-beginning 0)) 998)
+ (setq found t
+ length (- (point) (match-beginning 0)))
+ (setq header (match-string-no-properties 1)))
+ (forward-line 1))
+ (if found
+ (y-or-n-p (format "Your %s header is too long (%d). Really post? "
+ header length))
+ t)))
+ ;; Check for multiple identical headers.
+ (message-check 'multiple-headers
+ (let (found)
+ (while (and (not found)
+ (re-search-forward "^[^ \t:]+: " nil t))
+ (save-excursion
+ (or (re-search-forward
+ (concat "^"
+ (regexp-quote
+ (setq found
+ (buffer-substring
+ (match-beginning 0) (- (match-end 0) 2))))
+ ":")
+ nil t)
+ (setq found nil))))
+ (if found
+ (y-or-n-p (format "Multiple %s headers. Really post? " found))
+ t)))
+ ;; Check for Version and Sendsys.
+ (message-check 'sendsys
+ (if (re-search-forward "^Sendsys:\\|^Version:" nil t)
+ (y-or-n-p
+ (format "The article contains a %s command. Really post? "
+ (buffer-substring (match-beginning 0)
+ (1- (match-end 0)))))
+ t))
+ ;; See whether we can shorten Followup-To.
+ (message-check 'shorten-followup-to
+ (let ((newsgroups (message-fetch-field "newsgroups"))
+ (followup-to (message-fetch-field "followup-to"))
+ to)
+ (when (and newsgroups
+ (string-match "," newsgroups)
+ (not followup-to)
+ (not
+ (zerop
+ (length
+ (setq to (completing-read
+ "Followups to (default no Followup-To header): "
+ (mapcar #'list
+ (cons "poster"
+ (message-tokenize-header
+ newsgroups)))))))))
+ (goto-char (point-min))
+ (insert "Followup-To: " to "\n"))
+ t))
+ ;; Check "Shoot me".
+ (message-check 'shoot
+ (if (re-search-forward
+ "Message-ID.*.i-did-not-set--mail-host-address--so-tickle-me" nil t)
+ (y-or-n-p "You appear to have a misconfigured system. Really post? ")
+ t))
+ ;; Check for Approved.
+ (message-check 'approved
+ (if (re-search-forward "^Approved:" nil t)
+ (y-or-n-p "The article contains an Approved header. Really post? ")
+ t))
+ ;; Check the Message-ID header.
+ (message-check 'message-id
+ (let* ((case-fold-search t)
+ (message-id (message-fetch-field "message-id" t)))
+ (or (not message-id)
+ ;; Is there an @ in the ID?
+ (and (string-match "@" message-id)
+ ;; Is there a dot in the ID?
+ (string-match "@[^.]*\\." message-id)
+ ;; Does the ID end with a dot?
+ (not (string-match "\\.>" message-id)))
+ (y-or-n-p
+ (format "The Message-ID looks strange: \"%s\". Really post? "
+ message-id)))))
+ ;; Check the Newsgroups & Followup-To headers.
+ (message-check 'existing-newsgroups
+ (let* ((case-fold-search t)
+ (newsgroups (message-fetch-field "newsgroups"))
+ (followup-to (message-fetch-field "followup-to"))
+ (groups (message-tokenize-header
+ (if followup-to
+ (concat newsgroups "," followup-to)
+ newsgroups)))
+ (post-method (if (functionp message-post-method)
+ (funcall message-post-method)
+ message-post-method))
+ ;; KLUDGE to handle nnvirtual groups. Doing this right
+ ;; would probably involve a new nnoo function.
+ ;; -- Per Abrahamsen <abraham@dina.kvl.dk>, 2001-10-17.
+ (method (if (and (consp post-method)
+ (eq (car post-method) 'nnvirtual)
+ gnus-message-group-art)
+ (let ((group (car (nnvirtual-find-group-art
+ (car gnus-message-group-art)
+ (cdr gnus-message-group-art)))))
+ (gnus-find-method-for-group group))
+ post-method))
+ (known-groups
+ (mapcar (lambda (n)
+ (gnus-group-name-decode
+ (gnus-group-real-name n)
+ (gnus-group-name-charset method n)))
+ (gnus-groups-from-server method)))
+ errors)
+ (while groups
+ (when (and (not (equal (car groups) "poster"))
+ (not (member (car groups) known-groups))
+ (not (member (car groups) errors)))
+ (push (car groups) errors))
+ (pop groups))
+ (cond
+ ;; Gnus is not running.
+ ((or (not (and (boundp 'gnus-active-hashtb)
+ gnus-active-hashtb))
+ (not (boundp 'gnus-read-active-file)))
+ t)
+ ;; We don't have all the group names.
+ ((and (or (not gnus-read-active-file)
+ (eq gnus-read-active-file 'some))
+ errors)
+ (y-or-n-p
+ (format
+ "Really use %s possibly unknown group%s: %s? "
+ (if (= (length errors) 1) "this" "these")
+ (if (= (length errors) 1) "" "s")
+ (mapconcat 'identity errors ", "))))
+ ;; There were no errors.
+ ((not errors)
+ t)
+ ;; There are unknown groups.
+ (t
+ (y-or-n-p
+ (format
+ "Really post to %s unknown group%s: %s? "
+ (if (= (length errors) 1) "this" "these")
+ (if (= (length errors) 1) "" "s")
+ (mapconcat 'identity errors ", ")))))))
+ ;; Check continuation headers.
+ (message-check 'continuation-headers
+ (goto-char (point-min))
+ (let ((do-posting t))
+ (while (re-search-forward "^[^ \t\n][^ \t\n:]*[ \t\n]" nil t)
+ (goto-char (match-beginning 0))
+ (if (y-or-n-p "Fix continuation lines? ")
+ (insert " ")
+ (forward-line 1)
+ (unless (y-or-n-p "Send anyway? ")
+ (setq do-posting nil))))
+ do-posting))
+ ;; Check the Newsgroups & Followup-To headers for syntax errors.
+ (message-check 'valid-newsgroups
+ (let ((case-fold-search t)
+ (headers '("Newsgroups" "Followup-To"))
+ header error)
+ (while (and headers (not error))
+ (when (setq header (mail-fetch-field (car headers)))
+ (if (or
+ (not
+ (string-match
+ "\\`\\([-+_&.a-zA-Z0-9]+\\)?\\(,[-+_&.a-zA-Z0-9]+\\)*\\'"
+ header))
+ (memq
+ nil (mapcar
+ (lambda (g)
+ (not (string-match "\\.\\'\\|\\.\\." g)))
+ (message-tokenize-header header ","))))
+ (setq error t)))
+ (unless error
+ (pop headers)))
+ (if (not error)
+ t
+ (y-or-n-p
+ (format "The %s header looks odd: \"%s\". Really post? "
+ (car headers) header)))))
+ (message-check 'repeated-newsgroups
+ (let ((case-fold-search t)
+ (headers '("Newsgroups" "Followup-To"))
+ header error groups group)
+ (while (and headers
+ (not error))
+ (when (setq header (mail-fetch-field (pop headers)))
+ (setq groups (message-tokenize-header header ","))
+ (while (setq group (pop groups))
+ (when (member group groups)
+ (setq error group
+ groups nil)))))
+ (if (not error)
+ t
+ (y-or-n-p
+ (format "Group %s is repeated in headers. Really post? " error)))))
+ ;; Check the From header.
+ (message-check 'from
+ (let* ((case-fold-search t)
+ (from (message-fetch-field "from"))
+ ad)
+ (cond
+ ((not from)
+ (message "There is no From line. Posting is denied.")
+ nil)
+ ((or (not (string-match
+ "@[^\\.]*\\."
+ (setq ad (nth 1 (mail-extract-address-components
+ from))))) ;larsi@ifi
+ (string-match "\\.\\." ad) ;larsi@ifi..uio
+ (string-match "@\\." ad) ;larsi@.ifi.uio
+ (string-match "\\.$" ad) ;larsi@ifi.uio.
+ (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
+ (string-match "(.*).*(.*)" from)) ;(lars) (lars)
+ (message
+ "Denied posting -- the From looks strange: \"%s\"." from)
+ nil)
+ ((let ((addresses (rfc822-addresses from)))
+ ;; `rfc822-addresses' returns a string if parsing fails.
+ (while (and (consp addresses)
+ (not (eq (string-to-char (car addresses)) ?\()))
+ (setq addresses (cdr addresses)))
+ addresses)
+ (message
+ "Denied posting -- bad From address: \"%s\"." from)
+ nil)
+ (t t))))
+ ;; Check the Reply-To header.
+ (message-check 'reply-to
+ (let* ((case-fold-search t)
+ (reply-to (message-fetch-field "reply-to"))
+ ad)
+ (cond
+ ((not reply-to)
+ t)
+ ((string-match "," reply-to)
+ (y-or-n-p
+ (format "Multiple Reply-To addresses: \"%s\". Really post? "
+ reply-to)))
+ ((or (not (string-match
+ "@[^\\.]*\\."
+ (setq ad (nth 1 (mail-extract-address-components
+ reply-to))))) ;larsi@ifi
+ (string-match "\\.\\." ad) ;larsi@ifi..uio
+ (string-match "@\\." ad) ;larsi@.ifi.uio
+ (string-match "\\.$" ad) ;larsi@ifi.uio.
+ (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
+ (string-match "(.*).*(.*)" reply-to)) ;(lars) (lars)
+ (y-or-n-p
+ (format
+ "The Reply-To looks strange: \"%s\". Really post? "
+ reply-to)))
+ (t t))))))
+
+(defun message-check-news-body-syntax ()
+ (and
+ ;; Check for long lines.
+ (message-check 'long-lines
+ (goto-char (point-min))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "$"))
+ (forward-line 1)
+ (while (and
+ (or (looking-at
+ "<#\\(/\\)?\\(multipart\\|part\\|external\\|mml\\)")
+ (let ((p (point)))
+ (end-of-line)
+ (< (- (point) p) 80)))
+ (zerop (forward-line 1))))
+ (or (bolp)
+ (eobp)
+ (y-or-n-p
+ "You have lines longer than 79 characters. Really post? ")))
+ ;; Check whether the article is empty.
+ (message-check 'empty
+ (goto-char (point-min))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "$"))
+ (forward-line 1)
+ (let ((b (point)))
+ (goto-char (point-max))
+ (re-search-backward message-signature-separator nil t)
+ (beginning-of-line)
+ (or (re-search-backward "[^ \n\t]" b t)
+ (if (message-gnksa-enable-p 'empty-article)
+ (y-or-n-p "Empty article. Really post? ")
+ (message "Denied posting -- Empty article.")
+ nil))))
+ ;; Check for control characters.
+ (message-check 'control-chars
+ (if (re-search-forward
+ (mm-string-to-multibyte "[\000-\007\013\015-\032\034-\037\200-\237]")
+ nil t)
+ (y-or-n-p
+ "The article contains control characters. Really post? ")
+ t))
+ ;; Check excessive size.
+ (message-check 'size
+ (if (> (buffer-size) 60000)
+ (y-or-n-p
+ (format "The article is %d octets long. Really post? "
+ (buffer-size)))
+ t))
+ ;; Check whether any new text has been added.
+ (message-check 'new-text
+ (or
+ (not message-checksum)
+ (not (eq (message-checksum) message-checksum))
+ (if (message-gnksa-enable-p 'quoted-text-only)
+ (y-or-n-p
+ "It looks like no new text has been added. Really post? ")
+ (message "Denied posting -- no new text has been added.")
+ nil)))
+ ;; Check the length of the signature.
+ (message-check 'signature
+ (let (sig-start sig-end)
+ (goto-char (point-max))
+ (if (not (re-search-backward message-signature-separator nil t))
+ t
+ (setq sig-start (1+ (point-at-eol)))
+ (setq sig-end
+ (if (re-search-forward
+ "<#/?\\(multipart\\|part\\|external\\|mml\\)" nil t)
+ (- (point-at-bol) 1)
+ (point-max)))
+ (if (>= (count-lines sig-start sig-end) 5)
+ (if (message-gnksa-enable-p 'signature)
+ (y-or-n-p
+ (format "Signature is excessively long (%d lines). Really post? "
+ (count-lines sig-start sig-end)))
+ (message "Denied posting -- Excessive signature.")
+ nil)
+ t))))
+ ;; Ensure that text follows last quoted portion.
+ (message-check 'quoting-style
+ (goto-char (point-max))
+ (let ((no-problem t))
+ (when (search-backward-regexp "^>[^\n]*\n" nil t)
+ (setq no-problem (search-forward-regexp "^[ \t]*[^>\n]" nil t)))
+ (if no-problem
+ t
+ (if (message-gnksa-enable-p 'quoted-text-only)
+ (y-or-n-p "Your text should follow quoted text. Really post? ")
+ ;; Ensure that
+ (goto-char (point-min))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "$"))
+ (if (search-forward-regexp "^[ \t]*[^>\n]" nil t)
+ (y-or-n-p "Your text should follow quoted text. Really post? ")
+ (message "Denied posting -- only quoted text.")
+ nil)))))))
+
+(defun message-checksum ()
+ "Return a \"checksum\" for the current buffer."
+ (let ((sum 0))
+ (save-excursion
+ (goto-char (point-min))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "$"))
+ (while (not (eobp))
+ (when (not (looking-at "[ \t\n]"))
+ (setq sum (logxor (ash sum 1) (if (natnump sum) 0 1)
+ (char-after))))
+ (forward-char 1)))
+ sum))
+
+(defun message-do-fcc ()
+ "Process Fcc headers in the current buffer."
+ (let ((case-fold-search t)
+ (buf (current-buffer))
+ list file
+ (mml-externalize-attachments message-fcc-externalize-attachments))
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (setq file (message-fetch-field "fcc" t)))
+ (when file
+ (set-buffer (get-buffer-create " *message temp*"))
+ (erase-buffer)
+ (insert-buffer-substring buf)
+ (message-encode-message-body)
+ (save-restriction
+ (message-narrow-to-headers)
+ (while (setq file (message-fetch-field "fcc" t))
+ (push file list)
+ (message-remove-header "fcc" nil t))
+ (let ((mail-parse-charset message-default-charset)
+ (rfc2047-header-encoding-alist
+ (cons '("Newsgroups" . default)
+ rfc2047-header-encoding-alist)))
+ (mail-encode-encoded-word-buffer)))
+ (goto-char (point-min))
+ (when (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "$")
+ nil t)
+ (replace-match "" t t ))
+ ;; Process FCC operations.
+ (while list
+ (setq file (pop list))
+ (if (string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" file)
+ ;; Pipe the article to the program in question.
+ (call-process-region (point-min) (point-max) shell-file-name
+ nil nil nil shell-command-switch
+ (match-string 1 file))
+ ;; Save the article.
+ (setq file (expand-file-name file))
+ (unless (file-exists-p (file-name-directory file))
+ (make-directory (file-name-directory file) t))
+ (if (and message-fcc-handler-function
+ (not (eq message-fcc-handler-function 'rmail-output)))
+ (funcall message-fcc-handler-function file)
+ ;; FIXME this option, rmail-output (also used if
+ ;; message-fcc-handler-function is nil) is not
+ ;; documented anywhere AFAICS. It should work in Emacs
+ ;; 23; I suspect it does not work in Emacs 22.
+ ;; FIXME I don't see the need for the two different cases here.
+ ;; mail-use-rfc822 makes no difference (in Emacs 23),and
+ ;; the third argument just controls \"Wrote file\" message.
+ (if (and (file-readable-p file) (mail-file-babyl-p file))
+ (rmail-output file 1 nil t)
+ (let ((mail-use-rfc822 t))
+ (rmail-output file 1 t t))))))
+ (kill-buffer (current-buffer))))))
+
+(defun message-output (filename)
+ "Append this article to Unix/babyl mail file FILENAME."
+ (if (or (and (file-readable-p filename)
+ (mail-file-babyl-p filename))
+ ;; gnus-output-to-mail does the wrong thing with live, mbox
+ ;; Rmail buffers in Emacs 23.
+ ;; http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=597255
+ (let ((buff (find-buffer-visiting filename)))
+ (and buff (with-current-buffer buff
+ (eq major-mode 'rmail-mode)))))
+ (gnus-output-to-rmail filename t)
+ (gnus-output-to-mail filename t)))
+
+(defun message-cleanup-headers ()
+ "Do various automatic cleanups of the headers."
+ ;; Remove empty lines in the header.
+ (save-restriction
+ (message-narrow-to-headers)
+ ;; Remove blank lines.
+ (while (re-search-forward "^[ \t]*\n" nil t)
+ (replace-match "" t t))
+
+ ;; Correct Newsgroups and Followup-To headers: Change sequence of
+ ;; spaces to comma and eliminate spaces around commas. Eliminate
+ ;; embedded line breaks.
+ (goto-char (point-min))
+ (while (re-search-forward "^\\(Newsgroups\\|Followup-To\\): +" nil t)
+ (save-restriction
+ (narrow-to-region
+ (point)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0)
+ (forward-line 1)
+ (point)))
+ (goto-char (point-min))
+ (while (re-search-forward "\n[ \t]+" nil t)
+ (replace-match " " t t)) ;No line breaks (too confusing)
+ (goto-char (point-min))
+ (while (re-search-forward "[ \t\n]*,[ \t\n]*\\|[ \t]+" nil t)
+ (replace-match "," t t))
+ (goto-char (point-min))
+ ;; Remove trailing commas.
+ (when (re-search-forward ",+$" nil t)
+ (replace-match "" t t))))))
+
+(defun message-make-date (&optional now)
+ "Make a valid data header.
+If NOW, use that time instead."
+ (let ((system-time-locale "C"))
+ (format-time-string "%a, %d %b %Y %T %z" now)))
+
+(defun message-insert-expires (days)
+ "Insert the Expires header. Expiry in DAYS days."
+ (interactive "NExpire article in how many days? ")
+ (save-excursion
+ (message-position-on-field "Expires" "X-Draft-From")
+ (insert (message-make-expires-date days))))
+
+(defun message-make-expires-date (days)
+ "Make date string for the Expires header. Expiry in DAYS days.
+
+In posting styles use `(\"Expires\" (make-expires-date 30))'."
+ (let* ((cur (decode-time))
+ (nday (+ days (nth 3 cur))))
+ (setf (nth 3 cur) nday)
+ (message-make-date (apply 'encode-time cur))))
+
+(defun message-make-message-id ()
+ "Make a unique Message-ID."
+ (concat "<" (message-unique-id)
+ (let ((psubject (save-excursion (message-fetch-field "subject")))
+ (psupersedes
+ (save-excursion (message-fetch-field "supersedes"))))
+ (if (or
+ (and message-reply-headers
+ (mail-header-references message-reply-headers)
+ (mail-header-subject message-reply-headers)
+ psubject
+ (not (string=
+ (message-strip-subject-re
+ (mail-header-subject message-reply-headers))
+ (message-strip-subject-re psubject))))
+ (and psupersedes
+ (string-match "_-_@" psupersedes)))
+ "_-_" ""))
+ "@" (message-make-fqdn) ">"))
+
+(defvar message-unique-id-char nil)
+
+;; If you ever change this function, make sure the new version
+;; cannot generate IDs that the old version could.
+;; You might for example insert a "." somewhere (not next to another dot
+;; or string boundary), or modify the "fsf" string.
+(defun message-unique-id ()
+ ;; Don't use microseconds from (current-time), they may be unsupported.
+ ;; Instead we use this randomly inited counter.
+ (setq message-unique-id-char
+ (% (1+ (or message-unique-id-char
+ (logand (random most-positive-fixnum) (1- (lsh 1 20)))))
+ ;; (current-time) returns 16-bit ints,
+ ;; and 2^16*25 just fits into 4 digits i base 36.
+ (* 25 25)))
+ (let ((tm (current-time)))
+ (concat
+ (if (or (eq system-type 'ms-dos)
+ ;; message-number-base36 doesn't handle bigints.
+ (floatp (user-uid)))
+ (let ((user (downcase (user-login-name))))
+ (while (string-match "[^a-z0-9_]" user)
+ (aset user (match-beginning 0) ?_))
+ user)
+ (message-number-base36 (user-uid) -1))
+ (message-number-base36 (+ (car tm)
+ (lsh (% message-unique-id-char 25) 16)) 4)
+ (message-number-base36 (+ (nth 1 tm)
+ (lsh (/ message-unique-id-char 25) 16)) 4)
+ ;; Append a given name, because while the generated ID is unique
+ ;; to this newsreader, other newsreaders might otherwise generate
+ ;; the same ID via another algorithm.
+ ".fsf")))
+
+(defun message-number-base36 (num len)
+ (if (if (< len 0)
+ (<= num 0)
+ (= len 0))
+ ""
+ (concat (message-number-base36 (/ num 36) (1- len))
+ (char-to-string (aref "zyxwvutsrqponmlkjihgfedcba9876543210"
+ (% num 36))))))
+
+(defun message-make-organization ()
+ "Make an Organization header."
+ (let* ((organization
+ (when message-user-organization
+ (if (functionp message-user-organization)
+ (funcall message-user-organization)
+ message-user-organization))))
+ (with-temp-buffer
+ (mm-enable-multibyte)
+ (cond ((stringp organization)
+ (insert organization))
+ ((and (eq t organization)
+ message-user-organization-file
+ (file-exists-p message-user-organization-file))
+ (insert-file-contents message-user-organization-file)))
+ (goto-char (point-min))
+ (while (re-search-forward "[\t\n]+" nil t)
+ (replace-match "" t t))
+ (unless (zerop (buffer-size))
+ (buffer-string)))))
+
+(defun message-make-lines ()
+ "Count the number of lines and return numeric string."
+ (save-excursion
+ (save-restriction
+ (widen)
+ (message-goto-body)
+ (int-to-string (count-lines (point) (point-max))))))
+
+(defun message-make-references ()
+ "Return the References header for this message."
+ (when message-reply-headers
+ (let ((message-id (mail-header-id message-reply-headers))
+ (references (mail-header-references message-reply-headers)))
+ (if (or references message-id)
+ (concat (or references "") (and references " ")
+ (or message-id ""))
+ nil))))
+
+(defun message-make-in-reply-to ()
+ "Return the In-Reply-To header for this message."
+ (when message-reply-headers
+ (let ((from (mail-header-from message-reply-headers))
+ (date (mail-header-date message-reply-headers))
+ (msg-id (mail-header-id message-reply-headers)))
+ (when from
+ (let ((name (mail-extract-address-components from)))
+ (concat
+ msg-id (if msg-id " (")
+ (if (car name)
+ (if (string-match "[^\000-\177]" (car name))
+ ;; Quote a string containing non-ASCII characters.
+ ;; It will make the RFC2047 encoder cause an error
+ ;; if there are special characters.
+ (mm-with-multibyte-buffer
+ (insert (car name))
+ (goto-char (point-min))
+ (while (search-forward "\"" nil t)
+ (when (prog2
+ (backward-char)
+ (zerop (% (skip-chars-backward "\\\\") 2))
+ (goto-char (match-beginning 0)))
+ (insert "\\"))
+ (forward-char))
+ ;; Those quotes will be removed by the RFC2047 encoder.
+ (concat "\"" (buffer-string) "\""))
+ (car name))
+ (nth 1 name))
+ "'s message of \""
+ (if (or (not date) (string= date ""))
+ "(unknown date)" date)
+ "\"" (if msg-id ")")))))))
+
+(defun message-make-distribution ()
+ "Make a Distribution header."
+ (let ((orig-distribution (message-fetch-reply-field "distribution")))
+ (cond ((functionp message-distribution-function)
+ (funcall message-distribution-function))
+ (t orig-distribution))))
+
+(defun message-make-expires ()
+ "Return an Expires header based on `message-expires'."
+ (let ((current (current-time))
+ (future (* 1.0 message-expires 60 60 24)))
+ ;; Add the future to current.
+ (setcar current (+ (car current) (round (/ future (expt 2 16)))))
+ (setcar (cdr current) (+ (nth 1 current) (% (round future) (expt 2 16))))
+ (message-make-date current)))
+
+(defun message-make-path ()
+ "Return uucp path."
+ (let ((login-name (user-login-name)))
+ (cond ((null message-user-path)
+ (concat (system-name) "!" login-name))
+ ((stringp message-user-path)
+ ;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com.
+ (concat message-user-path "!" login-name))
+ (t login-name))))
+
+(defun message-make-from (&optional name address)
+ "Make a From header."
+ (let* ((style message-from-style)
+ (login (or address (message-make-address)))
+ (fullname (or name
+ (and (boundp 'user-full-name)
+ user-full-name)
+ (user-full-name))))
+ (when (string= fullname "&")
+ (setq fullname (user-login-name)))
+ (with-temp-buffer
+ (mm-enable-multibyte)
+ (cond
+ ((or (null style)
+ (equal fullname ""))
+ (insert login))
+ ((or (eq style 'angles)
+ (and (not (eq style 'parens))
+ ;; Use angles if no quoting is needed, or if parens would
+ ;; need quoting too.
+ (or (not (string-match "[^- !#-'*+/-9=?A-Z^-~]" fullname))
+ (let ((tmp (concat fullname nil)))
+ (while (string-match "([^()]*)" tmp)
+ (aset tmp (match-beginning 0) ?-)
+ (aset tmp (1- (match-end 0)) ?-))
+ (string-match "[\\()]" tmp)))))
+ (insert fullname)
+ (goto-char (point-min))
+ ;; Look for a character that cannot appear unquoted
+ ;; according to RFC 822.
+ (when (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" nil 1)
+ ;; Quote fullname, escaping specials.
+ (goto-char (point-min))
+ (insert "\"")
+ (while (re-search-forward "[\"\\]" nil 1)
+ (replace-match "\\\\\\&" t))
+ (insert "\""))
+ (insert " <" login ">"))
+ (t ; 'parens or default
+ (insert login " (")
+ (let ((fullname-start (point)))
+ (insert fullname)
+ (goto-char fullname-start)
+ ;; RFC 822 says \ and nonmatching parentheses
+ ;; must be escaped in comments.
+ ;; Escape every instance of ()\ ...
+ (while (re-search-forward "[()\\]" nil 1)
+ (replace-match "\\\\\\&" t))
+ ;; ... then undo escaping of matching parentheses,
+ ;; including matching nested parentheses.
+ (goto-char fullname-start)
+ (while (re-search-forward
+ "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
+ nil 1)
+ (replace-match "\\1(\\3)" t)
+ (goto-char fullname-start)))
+ (insert ")")))
+ (buffer-string))))
+
+(defun message-make-sender ()
+ "Return the \"real\" user address.
+This function tries to ignore all user modifications, and
+give as trustworthy answer as possible."
+ (concat (user-login-name) "@" (system-name)))
+
+(defun message-make-address ()
+ "Make the address of the user."
+ (or (message-user-mail-address)
+ (concat (user-login-name) "@" (message-make-domain))))
+
+(defun message-user-mail-address ()
+ "Return the pertinent part of `user-mail-address'."
+ (when (and user-mail-address
+ (string-match "@.*\\." user-mail-address))
+ (if (string-match " " user-mail-address)
+ (nth 1 (mail-extract-address-components user-mail-address))
+ user-mail-address)))
+
+(defun message-sendmail-envelope-from ()
+ "Return the envelope from."
+ (cond ((eq message-sendmail-envelope-from 'header)
+ (nth 1 (mail-extract-address-components
+ (message-fetch-field "from"))))
+ ((stringp message-sendmail-envelope-from)
+ message-sendmail-envelope-from)
+ (t
+ (message-make-address))))
+
+(defun message-make-fqdn ()
+ "Return user's fully qualified domain name."
+ (let* ((sysname (system-name))
+ (user-mail (message-user-mail-address))
+ (user-domain
+ (if (and user-mail
+ (string-match "@\\(.*\\)\\'" user-mail))
+ (match-string 1 user-mail)))
+ (case-fold-search t))
+ (cond
+ ((and message-user-fqdn
+ (stringp message-user-fqdn)
+ (string-match message-valid-fqdn-regexp message-user-fqdn)
+ (not (string-match message-bogus-system-names message-user-fqdn)))
+ ;; `message-user-fqdn' seems to be valid
+ message-user-fqdn)
+ ((and (string-match message-valid-fqdn-regexp sysname)
+ (not (string-match message-bogus-system-names sysname)))
+ ;; `system-name' returned the right result.
+ sysname)
+ ;; Try `mail-host-address'.
+ ((and (boundp 'mail-host-address)
+ (stringp mail-host-address)
+ (string-match message-valid-fqdn-regexp mail-host-address)
+ (not (string-match message-bogus-system-names mail-host-address)))
+ mail-host-address)
+ ;; We try `user-mail-address' as a backup.
+ ((and user-domain
+ (stringp user-domain)
+ (string-match message-valid-fqdn-regexp user-domain)
+ (not (string-match message-bogus-system-names user-domain)))
+ user-domain)
+ ;; Default to this bogus thing.
+ (t
+ (concat sysname
+ ".i-did-not-set--mail-host-address--so-tickle-me")))))
+
+(defun message-make-domain ()
+ "Return the domain name."
+ (or mail-host-address
+ (message-make-fqdn)))
+
+(defun message-to-list-only ()
+ "Send a message to the list only.
+Remove all addresses but the list address from To and Cc headers."
+ (interactive)
+ (let ((listaddr (message-make-mail-followup-to t)))
+ (when listaddr
+ (save-excursion
+ (message-remove-header "to")
+ (message-remove-header "cc")
+ (message-position-on-field "To" "X-Draft-From")
+ (insert listaddr)))))
+
+(defun message-make-mail-followup-to (&optional only-show-subscribed)
+ "Return the Mail-Followup-To header.
+If passed the optional argument ONLY-SHOW-SUBSCRIBED only return the
+subscribed address (and not the additional To and Cc header contents)."
+ (let* ((case-fold-search t)
+ (to (message-fetch-field "To"))
+ (cc (message-fetch-field "cc"))
+ (msg-recipients (concat to (and to cc ", ") cc))
+ (recipients
+ (mapcar 'mail-strip-quoted-names
+ (message-tokenize-header msg-recipients)))
+ (file-regexps
+ (if message-subscribed-address-file
+ (let (begin end item re)
+ (save-excursion
+ (with-temp-buffer
+ (insert-file-contents message-subscribed-address-file)
+ (while (not (eobp))
+ (setq begin (point))
+ (forward-line 1)
+ (setq end (point))
+ (if (bolp) (setq end (1- end)))
+ (setq item (regexp-quote (buffer-substring begin end)))
+ (if re (setq re (concat re "\\|" item))
+ (setq re (concat "\\`\\(" item))))
+ (and re (list (concat re "\\)\\'"))))))))
+ (mft-regexps (apply 'append message-subscribed-regexps
+ (mapcar 'regexp-quote
+ message-subscribed-addresses)
+ file-regexps
+ (mapcar 'funcall
+ message-subscribed-address-functions))))
+ (save-match-data
+ (let ((list
+ (loop for recipient in recipients
+ when (loop for regexp in mft-regexps
+ when (string-match regexp recipient) return t)
+ return recipient)))
+ (when list
+ (if only-show-subscribed
+ list
+ msg-recipients))))))
+
+(defun message-idna-to-ascii-rhs-1 (header)
+ "Interactively potentially IDNA encode domain names in HEADER."
+ (let ((field (message-fetch-field header))
+ ace)
+ (when field
+ (dolist (rhs
+ (mm-delete-duplicates
+ (mapcar (lambda (rhs) (or (cadr (split-string rhs "@")) ""))
+ (mapcar 'downcase
+ (mapcar
+ (lambda (elem)
+ (or (cadr elem)
+ ""))
+ (mail-extract-address-components field t))))))
+ ;; Note that `rhs' will be "" if the address does not have
+ ;; the domain part, i.e., if it is a local user's address.
+ (setq ace (if (string-match "\\`[[:ascii:]]*\\'" rhs)
+ rhs
+ (downcase (idna-to-ascii rhs))))
+ (when (and (not (equal rhs ace))
+ (or (not (eq message-use-idna 'ask))
+ (y-or-n-p (format "Replace %s with %s in %s:? "
+ rhs ace header))))
+ (goto-char (point-min))
+ (while (re-search-forward (concat "^" header ":") nil t)
+ (message-narrow-to-field)
+ (while (search-forward (concat "@" rhs) nil t)
+ (replace-match (concat "@" ace) t t))
+ (goto-char (point-max))
+ (widen)))))))
+
+(defun message-idna-to-ascii-rhs ()
+ "Possibly IDNA encode non-ASCII domain names in From:, To: and Cc: headers.
+See `message-idna-encode'."
+ (interactive)
+ (when message-use-idna
+ (save-excursion
+ (save-restriction
+ ;; `message-narrow-to-head' that recognizes only the first empty
+ ;; line as the message header separator used to be used here.
+ ;; However, since there is the "--text follows this line--" line
+ ;; normally, it failed in narrowing to the headers and potentially
+ ;; caused the IDNA encoding on lines that look like headers in
+ ;; the message body.
+ (message-narrow-to-headers-or-head)
+ (message-idna-to-ascii-rhs-1 "From")
+ (message-idna-to-ascii-rhs-1 "To")
+ (message-idna-to-ascii-rhs-1 "Reply-To")
+ (message-idna-to-ascii-rhs-1 "Mail-Reply-To")
+ (message-idna-to-ascii-rhs-1 "Mail-Followup-To")
+ (message-idna-to-ascii-rhs-1 "Cc")))))
+
+(defvar Date)
+(defvar Message-ID)
+(defvar Organization)
+(defvar From)
+(defvar Path)
+(defvar Subject)
+(defvar Newsgroups)
+(defvar In-Reply-To)
+(defvar References)
+(defvar To)
+(defvar Distribution)
+(defvar Lines)
+(defvar User-Agent)
+(defvar Expires)
+
+(defun message-generate-headers (headers)
+ "Prepare article HEADERS.
+Headers already prepared in the buffer are not modified."
+ (setq headers (append headers message-required-headers))
+ (save-restriction
+ (message-narrow-to-headers)
+ (let* ((Date (message-make-date))
+ (Message-ID (message-make-message-id))
+ (Organization (message-make-organization))
+ (From (message-make-from))
+ (Path (message-make-path))
+ (Subject nil)
+ (Newsgroups nil)
+ (In-Reply-To (message-make-in-reply-to))
+ (References (message-make-references))
+ (To nil)
+ (Distribution (message-make-distribution))
+ (Lines (message-make-lines))
+ (User-Agent message-newsreader)
+ (Expires (message-make-expires))
+ (case-fold-search t)
+ (optionalp nil)
+ header value elem header-string)
+ ;; First we remove any old generated headers.
+ (let ((headers message-deletable-headers))
+ (unless (buffer-modified-p)
+ (setq headers (delq 'Message-ID (copy-sequence headers))))
+ (while headers
+ (goto-char (point-min))
+ (and (re-search-forward
+ (concat "^" (symbol-name (car headers)) ": *") nil t)
+ (get-text-property (1+ (match-beginning 0)) 'message-deletable)
+ (message-delete-line))
+ (pop headers)))
+ ;; Go through all the required headers and see if they are in the
+ ;; articles already. If they are not, or are empty, they are
+ ;; inserted automatically - except for Subject, Newsgroups and
+ ;; Distribution.
+ (while headers
+ (goto-char (point-min))
+ (setq elem (pop headers))
+ (if (consp elem)
+ (if (eq (car elem) 'optional)
+ (setq header (cdr elem)
+ optionalp t)
+ (setq header (car elem)))
+ (setq header elem))
+ (setq header-string (if (stringp header)
+ header
+ (symbol-name header)))
+ (when (or (not (re-search-forward
+ (concat "^"
+ (regexp-quote (downcase header-string))
+ ":")
+ nil t))
+ (progn
+ ;; The header was found. We insert a space after the
+ ;; colon, if there is none.
+ (if (/= (char-after) ? ) (insert " ") (forward-char 1))
+ ;; Find out whether the header is empty.
+ (looking-at "[ \t]*\n[^ \t]")))
+ ;; So we find out what value we should insert.
+ (setq value
+ (cond
+ ((and (consp elem)
+ (eq (car elem) 'optional)
+ (not (member header-string message-inserted-headers)))
+ ;; This is an optional header. If the cdr of this
+ ;; is something that is nil, then we do not insert
+ ;; this header.
+ (setq header (cdr elem))
+ (or (and (functionp (cdr elem))
+ (funcall (cdr elem)))
+ (and (boundp (cdr elem))
+ (symbol-value (cdr elem)))))
+ ((consp elem)
+ ;; The element is a cons. Either the cdr is a
+ ;; string to be inserted verbatim, or it is a
+ ;; function, and we insert the value returned from
+ ;; this function.
+ (or (and (stringp (cdr elem))
+ (cdr elem))
+ (and (functionp (cdr elem))
+ (funcall (cdr elem)))))
+ ((and (boundp header)
+ (symbol-value header))
+ ;; The element is a symbol. We insert the value
+ ;; of this symbol, if any.
+ (symbol-value header))
+ ((not (message-check-element
+ (intern (downcase (symbol-name header)))))
+ ;; We couldn't generate a value for this header,
+ ;; so we just ask the user.
+ (read-from-minibuffer
+ (format "Empty header for %s; enter value: " header)))))
+ ;; Finally insert the header.
+ (when (and value
+ (not (equal value "")))
+ (save-excursion
+ (if (bolp)
+ (progn
+ ;; This header didn't exist, so we insert it.
+ (goto-char (point-max))
+ (let ((formatter
+ (cdr (assq header message-header-format-alist))))
+ (if formatter
+ (funcall formatter header value)
+ (insert header-string ": " value))
+ (push header-string message-inserted-headers)
+ (goto-char (message-fill-field))
+ ;; We check whether the value was ended by a
+ ;; newline. If not, we insert one.
+ (unless (bolp)
+ (insert "\n"))
+ (forward-line -1)))
+ ;; The value of this header was empty, so we clear
+ ;; totally and insert the new value.
+ (delete-region (point) (point-at-eol))
+ ;; If the header is optional, and the header was
+ ;; empty, we can't insert it anyway.
+ (unless optionalp
+ (push header-string message-inserted-headers)
+ (insert value)
+ (message-fill-field)))
+ ;; Add the deletable property to the headers that require it.
+ (and (memq header message-deletable-headers)
+ (progn (beginning-of-line) (looking-at "[^:]+: "))
+ (add-text-properties
+ (point) (match-end 0)
+ '(message-deletable t face italic) (current-buffer)))))))
+ ;; Insert new Sender if the From is strange.
+ (let ((from (message-fetch-field "from"))
+ (sender (message-fetch-field "sender"))
+ (secure-sender (message-make-sender)))
+ (when (and from
+ (not (message-check-element 'sender))
+ (not (string=
+ (downcase
+ (cadr (mail-extract-address-components from)))
+ (downcase secure-sender)))
+ (or (null sender)
+ (not
+ (string=
+ (downcase
+ (cadr (mail-extract-address-components sender)))
+ (downcase secure-sender)))))
+ (goto-char (point-min))
+ ;; Rename any old Sender headers to Original-Sender.
+ (when (re-search-forward "^\\(Original-\\)*Sender:" nil t)
+ (beginning-of-line)
+ (insert "Original-")
+ (beginning-of-line))
+ (when (or (message-news-p)
+ (string-match "@.+\\.." secure-sender))
+ (insert "Sender: " secure-sender "\n"))))
+ ;; Check for IDNA
+ (message-idna-to-ascii-rhs))))
+
+(defun message-insert-courtesy-copy (message)
+ "Insert a courtesy message in mail copies of combined messages."
+ (let (newsgroups)
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (when (setq newsgroups (message-fetch-field "newsgroups"))
+ (goto-char (point-max))
+ (insert "Posted-To: " newsgroups "\n")))
+ (forward-line 1)
+ (when message
+ (cond
+ ((string-match "%s" message)
+ (insert (format message newsgroups)))
+ (t
+ (insert message)))))))
+
+;;;
+;;; Setting up a message buffer
+;;;
+
+(defun message-skip-to-next-address ()
+ (let ((end (save-excursion
+ (message-next-header)
+ (point)))
+ quoted char)
+ (when (looking-at ",")
+ (forward-char 1))
+ (while (and (not (= (point) end))
+ (or (not (eq char ?,))
+ quoted))
+ (skip-chars-forward "^,\"" end)
+ (when (eq (setq char (following-char)) ?\")
+ (setq quoted (not quoted)))
+ (unless (= (point) end)
+ (forward-char 1)))
+ (skip-chars-forward " \t\n")))
+
+(defun message-split-line ()
+ "Split current line, moving portion beyond point vertically down.
+If the current line has `message-yank-prefix', insert it on the new line."
+ (interactive "*")
+ (condition-case nil
+ (split-line message-yank-prefix) ;; Emacs 22.1+ supports arg.
+ (error
+ (split-line))))
+
+(defun message-insert-header (header value)
+ (insert (capitalize (symbol-name header))
+ ": "
+ (if (consp value) (car value) value)))
+
+(defun message-field-name ()
+ (save-excursion
+ (goto-char (point-min))
+ (when (looking-at "\\([^:]+\\):")
+ (intern (capitalize (match-string 1))))))
+
+(defun message-fill-field ()
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-field)
+ (let ((field-name (message-field-name)))
+ (funcall (or (cadr (assq field-name message-field-fillers))
+ 'message-fill-field-general)))
+ (point-max))))
+
+(defun message-fill-field-address ()
+ (let (end last)
+ (while (not end)
+ (message-skip-to-next-address)
+ (cond ((bolp)
+ (end-of-line 0)
+ (setq end 1))
+ ((eobp)
+ (setq end 0)))
+ (when (and (> (current-column) 78)
+ last)
+ (save-excursion
+ (goto-char last)
+ (delete-char (- (skip-chars-backward " \t")))
+ (insert "\n\t")))
+ (setq last (point)))
+ (forward-line end)))
+
+(defun message-fill-field-general ()
+ (let ((begin (point))
+ (fill-column 78)
+ (fill-prefix "\t"))
+ (while (and (search-forward "\n" nil t)
+ (not (eobp)))
+ (replace-match " " t t))
+ (fill-region-as-paragraph begin (point-max))
+ ;; Tapdance around looong Message-IDs.
+ (forward-line -1)
+ (when (looking-at "[ \t]*$")
+ (message-delete-line))
+ (goto-char begin)
+ (search-forward ":" nil t)
+ (when (looking-at "\n[ \t]+")
+ (replace-match " " t t))
+ (goto-char (point-max))))
+
+(defun message-shorten-1 (list cut surplus)
+ "Cut SURPLUS elements out of LIST, beginning with CUTth one."
+ (setcdr (nthcdr (- cut 2) list)
+ (nthcdr (+ (- cut 2) surplus 1) list)))
+
+(defun message-shorten-references (header references)
+ "Trim REFERENCES to be 21 Message-ID long or less, and fold them.
+When sending via news, also check that the REFERENCES are less
+than 988 characters long, and if they are not, trim them until
+they are."
+ ;; 21 is the number suggested by USAGE.
+ (let ((maxcount 21)
+ (count 0)
+ (cut 2)
+ refs)
+ (with-temp-buffer
+ (insert references)
+ (goto-char (point-min))
+ ;; Cons a list of valid references. GNKSA says we must not include MIDs
+ ;; with whitespace or missing brackets (7.a "Does not propagate broken
+ ;; Message-IDs in original References").
+ (while (re-search-forward "<[^ <]+@[^ <]+>" nil t)
+ (push (match-string 0) refs))
+ (setq refs (nreverse refs)
+ count (length refs)))
+
+ ;; If the list has more than MAXCOUNT elements, trim it by
+ ;; removing the CUTth element and the required number of
+ ;; elements that follow.
+ (when (> count maxcount)
+ (let ((surplus (- count maxcount)))
+ (message-shorten-1 refs cut surplus)
+ (decf count surplus)))
+
+ ;; When sending via news, make sure the total folded length will
+ ;; be less than 998 characters. This is to cater to broken INN
+ ;; 2.3 which counts the total number of characters in a header
+ ;; rather than the physical line length of each line, as it should.
+ ;;
+ ;; This hack should be removed when it's believed than INN 2.3 is
+ ;; no longer widely used.
+ ;;
+ ;; At this point the headers have not been generated, thus we use
+ ;; message-this-is-news directly.
+ (when message-this-is-news
+ (while (< 998
+ (with-temp-buffer
+ (message-insert-header
+ header (mapconcat #'identity refs " "))
+ (buffer-size)))
+ (message-shorten-1 refs cut 1)))
+ ;; Finally, collect the references back into a string and insert
+ ;; it into the buffer.
+ (message-insert-header header (mapconcat #'identity refs " "))))
+
+(defun message-position-point ()
+ "Move point to where the user probably wants to find it."
+ (message-narrow-to-headers)
+ (cond
+ ((re-search-forward "^[^:]+:[ \t]*$" nil t)
+ (search-backward ":" )
+ (widen)
+ (forward-char 1)
+ (if (eq (char-after) ? )
+ (forward-char 1)
+ (insert " ")))
+ (t
+ (goto-char (point-max))
+ (widen)
+ (forward-line 1)
+ (unless (looking-at "$")
+ (forward-line 2)))
+ (sit-for 0)))
+
+(defcustom message-beginning-of-line t
+ "Whether \\<message-mode-map>\\[message-beginning-of-line]\
+ goes to beginning of header values."
+ :version "22.1"
+ :group 'message-buffers
+ :link '(custom-manual "(message)Movement")
+ :type 'boolean)
+
+(defvar visual-line-mode)
+(declare-function beginning-of-visual-line "simple" (&optional n))
+
+(defun message-beginning-of-line (&optional n)
+ "Move point to beginning of header value or to beginning of line.
+The prefix argument N is passed directly to `beginning-of-line'.
+
+This command is identical to `beginning-of-line' if point is
+outside the message header or if the option `message-beginning-of-line'
+is nil.
+
+If point is in the message header and on a (non-continued) header
+line, move point to the beginning of the header value or the beginning of line,
+whichever is closer. If point is already at beginning of line, move point to
+beginning of header value. Therefore, repeated calls will toggle point
+between beginning of field and beginning of line."
+ (interactive "p")
+ (let ((zrs 'zmacs-region-stays))
+ (when (and (featurep 'xemacs) (interactive-p) (boundp zrs))
+ (set zrs t)))
+ (if (and message-beginning-of-line
+ (message-point-in-header-p))
+ (let* ((here (point))
+ (bol (progn (beginning-of-line n) (point)))
+ (eol (point-at-eol))
+ (eoh (re-search-forward ": *" eol t)))
+ (goto-char
+ (if (and eoh (or (< eoh here) (= bol here)))
+ eoh bol)))
+ (if (and (boundp 'visual-line-mode) visual-line-mode)
+ (beginning-of-visual-line n)
+ (beginning-of-line n))))
+
+(defun message-buffer-name (type &optional to group)
+ "Return a new (unique) buffer name based on TYPE and TO."
+ (cond
+ ;; Generate a new buffer name The Message Way.
+ ((memq message-generate-new-buffers '(unique t))
+ (generate-new-buffer-name
+ (concat "*" type
+ (if to
+ (concat " to "
+ (or (car (mail-extract-address-components to))
+ to) "")
+ "")
+ (if (and group (not (string= group ""))) (concat " on " group) "")
+ "*")))
+ ;; Check whether `message-generate-new-buffers' is a function,
+ ;; and if so, call it.
+ ((functionp message-generate-new-buffers)
+ (funcall message-generate-new-buffers type to group))
+ ((eq message-generate-new-buffers 'unsent)
+ (generate-new-buffer-name
+ (concat "*unsent " type
+ (if to
+ (concat " to "
+ (or (car (mail-extract-address-components to))
+ to) "")
+ "")
+ (if (and group (not (string= group ""))) (concat " on " group) "")
+ "*")))
+ ;; Search for the existing message buffer with the specified name.
+ (t
+ (let* ((new (if (eq message-generate-new-buffers 'standard)
+ (generate-new-buffer-name (concat "*" type " message*"))
+ (let ((message-generate-new-buffers 'unique))
+ (message-buffer-name type to group))))
+ (regexp (concat "\\`"
+ (regexp-quote
+ (if (string-match "<[0-9]+>\\'" new)
+ (substring new 0 (match-beginning 0))
+ new))
+ "\\(?:<\\([0-9]+\\)>\\)?\\'"))
+ (case-fold-search nil))
+ (or (cdar
+ (last
+ (sort
+ (delq nil
+ (mapcar
+ (lambda (b)
+ (when (and (string-match regexp (setq b (buffer-name b)))
+ (eq (with-current-buffer b major-mode)
+ 'message-mode))
+ (cons (string-to-number (or (match-string 1 b) "1"))
+ b)))
+ (buffer-list)))
+ 'car-less-than-car)))
+ new)))))
+
+(defun message-pop-to-buffer (name &optional switch-function)
+ "Pop to buffer NAME, and warn if it already exists and is modified."
+ (let ((buffer (get-buffer name)))
+ (if (and buffer
+ (buffer-name buffer))
+ (let ((window (get-buffer-window buffer 0)))
+ (if window
+ ;; Raise the frame already displaying the message buffer.
+ (progn
+ (gnus-select-frame-set-input-focus (window-frame window))
+ (select-window window))
+ (funcall (or switch-function #'pop-to-buffer) buffer)
+ (set-buffer buffer))
+ (when (and (buffer-modified-p)
+ (not (prog1
+ (y-or-n-p
+ "Message already being composed; erase? ")
+ (message nil))))
+ (error "Message being composed")))
+ (funcall (or switch-function
+ (if (fboundp #'pop-to-buffer-same-window)
+ #'pop-to-buffer-same-window
+ #'pop-to-buffer))
+ name)
+ (set-buffer name))
+ (erase-buffer)
+ (message-mode)))
+
+(defun message-do-send-housekeeping ()
+ "Kill old message buffers."
+ ;; We might have sent this buffer already. Delete it from the
+ ;; list of buffers.
+ (setq message-buffer-list (delq (current-buffer) message-buffer-list))
+ (while (and message-max-buffers
+ message-buffer-list
+ (>= (length message-buffer-list) message-max-buffers))
+ ;; Kill the oldest buffer -- unless it has been changed.
+ (let ((buffer (pop message-buffer-list)))
+ (when (and (buffer-name buffer)
+ (not (buffer-modified-p buffer)))
+ (kill-buffer buffer))))
+ ;; Rename the buffer.
+ (if message-send-rename-function
+ (funcall message-send-rename-function)
+ (message-default-send-rename-function))
+ ;; Push the current buffer onto the list.
+ (when message-max-buffers
+ (setq message-buffer-list
+ (nconc message-buffer-list (list (current-buffer))))))
+
+(defun message-default-send-rename-function ()
+ ;; Note: mail-abbrevs of XEmacs renames buffer name behind Gnus.
+ (when (string-match
+ "\\`\\*\\(sent \\|unsent \\)?\\(.+\\)\\*[^\\*]*\\|\\`mail to "
+ (buffer-name))
+ (let ((name (match-string 2 (buffer-name)))
+ to group)
+ (if (not (or (null name)
+ (string-equal name "mail")
+ (string-equal name "posting")))
+ (setq name (concat "*sent " name "*"))
+ (message-narrow-to-headers)
+ (setq to (message-fetch-field "to"))
+ (setq group (message-fetch-field "newsgroups"))
+ (widen)
+ (setq name
+ (cond
+ (to (concat "*sent mail to "
+ (or (car (mail-extract-address-components to))
+ to) "*"))
+ ((and group (not (string= group "")))
+ (concat "*sent posting on " group "*"))
+ (t "*sent mail*"))))
+ (unless (string-equal name (buffer-name))
+ (rename-buffer name t)))))
+
+(defun message-mail-user-agent ()
+ (let ((mua (cond
+ ((not message-mail-user-agent) nil)
+ ((eq message-mail-user-agent t) mail-user-agent)
+ (t message-mail-user-agent))))
+ (if (memq mua '(message-user-agent gnus-user-agent))
+ nil
+ mua)))
+
+;; YANK-ACTION, if non-nil, can be a buffer or a yank action of the
+;; form (FUNCTION . ARGS).
+(defun message-setup (headers &optional yank-action actions
+ continue switch-function return-action)
+ (let ((mua (message-mail-user-agent))
+ subject to field)
+ (if (not (and message-this-is-mail mua))
+ (message-setup-1 headers yank-action actions return-action)
+ (setq headers (copy-sequence headers))
+ (setq field (assq 'Subject headers))
+ (when field
+ (setq subject (cdr field))
+ (setq headers (delq field headers)))
+ (setq field (assq 'To headers))
+ (when field
+ (setq to (cdr field))
+ (setq headers (delq field headers)))
+ (let ((mail-user-agent mua))
+ (compose-mail to subject
+ (mapcar (lambda (item)
+ (cons
+ (format "%s" (car item))
+ (cdr item)))
+ headers)
+ continue switch-function
+ (if (bufferp yank-action)
+ (list 'insert-buffer yank-action)
+ yank-action)
+ actions)))))
+
+(defun message-headers-to-generate (headers included-headers excluded-headers)
+ "Return a list that includes all headers from HEADERS.
+If INCLUDED-HEADERS is a list, just include those headers. If it is
+t, include all headers. In any case, headers from EXCLUDED-HEADERS
+are not included."
+ (let ((result nil)
+ header-name)
+ (dolist (header headers)
+ (setq header-name (cond
+ ((and (consp header)
+ (eq (car header) 'optional))
+ ;; On the form (optional . Header)
+ (cdr header))
+ ((consp header)
+ ;; On the form (Header . function)
+ (car header))
+ (t
+ ;; Just a Header.
+ header)))
+ (when (and (not (memq header-name excluded-headers))
+ (or (eq included-headers t)
+ (memq header-name included-headers)))
+ (push header result)))
+ (nreverse result)))
+
+(defun message-setup-1 (headers &optional yank-action actions return-action)
+ (dolist (action actions)
+ (condition-case nil
+ (add-to-list 'message-send-actions
+ `(apply ',(car action) ',(cdr action)))))
+ (setq message-return-action return-action)
+ (setq message-reply-buffer
+ (if (and (consp yank-action)
+ (eq (car yank-action) 'insert-buffer))
+ (nth 1 yank-action)
+ yank-action))
+ (goto-char (point-min))
+ ;; Insert all the headers.
+ (mail-header-format
+ (let ((h headers)
+ (alist message-header-format-alist))
+ (while h
+ (unless (assq (caar h) message-header-format-alist)
+ (push (list (caar h)) alist))
+ (pop h))
+ alist)
+ headers)
+ (delete-region (point) (progn (forward-line -1) (point)))
+ (when message-default-headers
+ (insert
+ (if (functionp message-default-headers)
+ (funcall message-default-headers)
+ message-default-headers))
+ (or (bolp) (insert ?\n)))
+ (insert (concat mail-header-separator "\n"))
+ (forward-line -1)
+ ;; If a crash happens while replying, the auto-save file would *not* have a
+ ;; `References:' header if `message-generate-headers-first' was nil.
+ ;; Therefore, always generate it first.
+ (let ((message-generate-headers-first
+ (if (eq message-generate-headers-first t)
+ t
+ (append message-generate-headers-first '(References)))))
+ (when (message-news-p)
+ (when message-default-news-headers
+ (insert message-default-news-headers)
+ (or (bolp) (insert ?\n)))
+ (message-generate-headers
+ (message-headers-to-generate
+ (append message-required-news-headers
+ message-required-headers)
+ message-generate-headers-first
+ '(Lines Subject))))
+ (when (message-mail-p)
+ (when message-default-mail-headers
+ (insert message-default-mail-headers)
+ (or (bolp) (insert ?\n)))
+ (message-generate-headers
+ (message-headers-to-generate
+ (append message-required-mail-headers
+ message-required-headers)
+ message-generate-headers-first
+ '(Lines Subject)))))
+ (run-hooks 'message-signature-setup-hook)
+ (message-insert-signature)
+ (save-restriction
+ (message-narrow-to-headers)
+ (run-hooks 'message-header-setup-hook))
+ (setq buffer-undo-list nil)
+ (when message-generate-hashcash
+ ;; Generate hashcash headers for recipients already known
+ (mail-add-payment-async))
+ ;; Gnus posting styles are applied via buffer-local `message-setup-hook'
+ ;; values.
+ (run-hooks 'message-setup-hook)
+ ;; Do this last to give it precedence over posting styles, etc.
+ (when (message-mail-p)
+ (save-restriction
+ (message-narrow-to-headers)
+ (if message-alternative-emails
+ (message-use-alternative-email-as-from))))
+ (message-position-point)
+ ;; Allow correct handling of `message-checksum' in `message-yank-original':
+ (set-buffer-modified-p nil)
+ (undo-boundary)
+ ;; rmail-start-mail expects message-mail to return t (Bug#9392)
+ t)
+
+(defun message-set-auto-save-file-name ()
+ "Associate the message buffer with a file in the drafts directory."
+ (when message-auto-save-directory
+ (unless (file-directory-p
+ (directory-file-name message-auto-save-directory))
+ (make-directory message-auto-save-directory t))
+ (if (gnus-alive-p)
+ (setq message-draft-article
+ (nndraft-request-associate-buffer "drafts"))
+
+ ;; If Gnus were alive, draft messages would be saved in the drafts folder.
+ ;; But Gnus is not alive, so arrange to save the draft message in a
+ ;; regular file in message-auto-save-directory. Append a unique
+ ;; time-based suffix to the filename to allow multiple drafts to be saved
+ ;; simultaneously without overwriting each other (which mimics the
+ ;; functionality of the Gnus drafts folder).
+ (setq buffer-file-name (expand-file-name
+ (concat
+ (if (memq system-type
+ '(ms-dos windows-nt cygwin))
+ "message"
+ "*message*")
+ (format-time-string "-%Y%m%d-%H%M%S"))
+ message-auto-save-directory))
+ (setq buffer-auto-save-file-name (make-auto-save-file-name)))
+ (clear-visited-file-modtime)
+ (setq buffer-file-coding-system message-draft-coding-system)))
+
+(defun message-disassociate-draft ()
+ "Disassociate the message buffer from the drafts directory."
+ (when message-draft-article
+ (nndraft-request-expire-articles
+ (list message-draft-article) "drafts" nil t)))
+
+(defun message-insert-headers ()
+ "Generate the headers for the article."
+ (interactive)
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (when (message-news-p)
+ (message-generate-headers
+ (delq 'Lines
+ (delq 'Subject
+ (copy-sequence message-required-news-headers)))))
+ (when (message-mail-p)
+ (message-generate-headers
+ (delq 'Lines
+ (delq 'Subject
+ (copy-sequence message-required-mail-headers))))))))
+
+\f
+
+;;;
+;;; Commands for interfacing with message
+;;;
+
+;;;###autoload
+(defun message-mail (&optional to subject other-headers continue
+ switch-function yank-action send-actions
+ return-action &rest ignored)
+ "Start editing a mail message to be sent.
+OTHER-HEADERS is an alist of header/value pairs. CONTINUE says whether
+to continue editing a message already being composed. SWITCH-FUNCTION
+is a function used to switch to and display the mail buffer."
+ (interactive)
+ (let ((message-this-is-mail t))
+ (unless (message-mail-user-agent)
+ (message-pop-to-buffer
+ ;; Search for the existing message buffer if `continue' is non-nil.
+ (let ((message-generate-new-buffers
+ (when (or (not continue)
+ (eq message-generate-new-buffers 'standard)
+ (functionp message-generate-new-buffers))
+ message-generate-new-buffers)))
+ (message-buffer-name "mail" to))
+ switch-function))
+ (message-setup
+ (nconc
+ `((To . ,(or to "")) (Subject . ,(or subject "")))
+ ;; C-h f compose-mail says that headers should be specified as
+ ;; (string . value); however all the rest of message expects
+ ;; headers to be symbols, not strings (eg message-header-format-alist).
+ ;; http://lists.gnu.org/archive/html/emacs-devel/2011-01/msg00337.html
+ ;; We need to convert any string input, eg from rmail-start-mail.
+ (dolist (h other-headers other-headers)
+ (if (stringp (car h)) (setcar h (intern (capitalize (car h)))))))
+ yank-action send-actions continue switch-function
+ return-action)))
+
+;;;###autoload
+(defun message-news (&optional newsgroups subject)
+ "Start editing a news article to be sent."
+ (interactive)
+ (let ((message-this-is-news t))
+ (message-pop-to-buffer (message-buffer-name "posting" nil newsgroups))
+ (message-setup `((Newsgroups . ,(or newsgroups ""))
+ (Subject . ,(or subject ""))))))
+
+(defun message-alter-recipients-discard-bogus-full-name (addrcell)
+ "Discard mail address in full names.
+When the full name in reply headers contains the mail
+address (e.g. \"foo@bar <foo@bar>\"), discard full name.
+ADDRCELL is a cons cell where the car is the mail address and the
+cdr is the complete address (full name and mail address)."
+ (if (string-match (concat (regexp-quote (car addrcell)) ".*"
+ (regexp-quote (car addrcell)))
+ (cdr addrcell))
+ (cons (car addrcell) (car addrcell))
+ addrcell))
+
+(defcustom message-alter-recipients-function nil
+ "Function called to allow alteration of reply header structures.
+It is called in `message-get-reply-headers' for each recipient.
+The function is called with one parameter, a cons cell ..."
+ :type '(choice (const :tag "None" nil)
+ (const :tag "Discard bogus full name"
+ message-alter-recipients-discard-bogus-full-name)
+ function)
+ :version "23.1" ;; No Gnus
+ :group 'message-headers)
+
+(defun message-get-reply-headers (wide &optional to-address address-headers)
+ (let (follow-to mct never-mct to cc author mft recipients extra)
+ ;; Find all relevant headers we need.
+ (save-restriction
+ (message-narrow-to-headers-or-head)
+ ;; Gmane renames "To". Look at "Original-To", too, if it is present in
+ ;; message-header-synonyms.
+ (setq to (or (message-fetch-field "to")
+ (and (loop for synonym in message-header-synonyms
+ when (memq 'Original-To synonym)
+ return t)
+ (message-fetch-field "original-to")))
+ cc (message-fetch-field "cc")
+ extra (when message-extra-wide-headers
+ (mapconcat 'identity
+ (mapcar 'message-fetch-field
+ message-extra-wide-headers)
+ ", "))
+ mct (message-fetch-field "mail-copies-to")
+ author (or (message-fetch-field "mail-reply-to")
+ (message-fetch-field "reply-to"))
+ mft (and message-use-mail-followup-to
+ (message-fetch-field "mail-followup-to")))
+ ;; Make sure this message goes to the author if this is a wide
+ ;; reply, since Reply-To address may be a list address a mailing
+ ;; list server added.
+ (when (and wide author)
+ (setq cc (concat author ", " cc)))
+ (when (or wide (not author))
+ (setq author (or (message-fetch-field "from") ""))))
+
+ ;; Handle special values of Mail-Copies-To.
+ (when mct
+ (cond ((or (equal (downcase mct) "never")
+ (equal (downcase mct) "nobody"))
+ (setq never-mct t)
+ (setq mct nil))
+ ((or (equal (downcase mct) "always")
+ (equal (downcase mct) "poster"))
+ (setq mct author))))
+
+ (save-match-data
+ ;; Build (textual) list of new recipient addresses.
+ (cond
+ (to-address
+ (setq recipients (concat ", " to-address))
+ ;; If the author explicitly asked for a copy, we don't deny it to them.
+ (if mct (setq recipients (concat recipients ", " mct))))
+ ((not wide)
+ (setq recipients (concat ", " author)))
+ (address-headers
+ (dolist (header address-headers)
+ (let ((value (message-fetch-field header)))
+ (when value
+ (setq recipients (concat recipients ", " value))))))
+ ((and mft
+ (string-match "[^ \t,]" mft)
+ (or (not (eq message-use-mail-followup-to 'ask))
+ (message-y-or-n-p "Obey Mail-Followup-To? " t "\
+You should normally obey the Mail-Followup-To: header. In this
+article, it has the value of
+
+" mft "
+
+which directs your response to " (if (string-match "," mft)
+ "the specified addresses"
+ "that address only") ".
+
+Most commonly, Mail-Followup-To is used by a mailing list poster to
+express that responses should be sent to just the list, and not the
+poster as well.
+
+If a message is posted to several mailing lists, Mail-Followup-To may
+also be used to direct the following discussion to one list only,
+because discussions that are spread over several lists tend to be
+fragmented and very difficult to follow.
+
+Also, some source/announcement lists are not intended for discussion;
+responses here are directed to other addresses.
+
+You may customize the variable `message-use-mail-followup-to', if you
+want to get rid of this query permanently.")))
+ (setq recipients (concat ", " mft)))
+ (t
+ (setq recipients (if never-mct "" (concat ", " author)))
+ (if to (setq recipients (concat recipients ", " to)))
+ (if cc (setq recipients (concat recipients ", " cc)))
+ (if extra (setq recipients (concat recipients ", " extra)))
+ (if mct (setq recipients (concat recipients ", " mct)))))
+ (if (>= (length recipients) 2)
+ ;; Strip the leading ", ".
+ (setq recipients (substring recipients 2)))
+ ;; Squeeze whitespace.
+ (while (string-match "[ \t][ \t]+" recipients)
+ (setq recipients (replace-match " " t t recipients)))
+ ;; Remove addresses that match `mail-dont-reply-to-names'.
+ (let* ((mail-dont-reply-to-names (message-dont-reply-to-names))
+ (rmail-dont-reply-to-names mail-dont-reply-to-names))
+ (setq recipients (mail-dont-reply-to recipients)))
+ ;; Perhaps "Mail-Copies-To: never" removed the only address?
+ (if (string-equal recipients "")
+ (setq recipients author))
+ ;; Convert string to a list of (("foo@bar" . "Name <Foo@BAR>") ...).
+ (setq recipients
+ (mapcar
+ (lambda (addr)
+ (if message-alter-recipients-function
+ (funcall message-alter-recipients-function
+ (cons (downcase (mail-strip-quoted-names addr))
+ addr))
+ (cons (downcase (mail-strip-quoted-names addr)) addr)))
+ (message-tokenize-header recipients)))
+ ;; Remove all duplicates.
+ (let ((s recipients))
+ (while s
+ (let ((address (car (pop s))))
+ (while (assoc address s)
+ (setq recipients (delq (assoc address s) recipients)
+ s (delq (assoc address s) s))))))
+
+ ;; Remove hierarchical lists that are contained within each other,
+ ;; if message-hierarchical-addresses is defined.
+ (when message-hierarchical-addresses
+ (let ((plain-addrs (mapcar 'car recipients))
+ subaddrs recip)
+ (while plain-addrs
+ (setq subaddrs (assoc (car plain-addrs)
+ message-hierarchical-addresses)
+ plain-addrs (cdr plain-addrs))
+ (when subaddrs
+ (setq subaddrs (cdr subaddrs))
+ (while subaddrs
+ (setq recip (assoc (car subaddrs) recipients)
+ subaddrs (cdr subaddrs))
+ (if recip
+ (setq recipients (delq recip recipients))))))))
+
+ (setq recipients (message-prune-recipients recipients))
+
+ ;; Build the header alist. Allow the user to be asked whether
+ ;; or not to reply to all recipients in a wide reply.
+ (setq follow-to (list (cons 'To (cdr (pop recipients)))))
+ (when (and recipients
+ (or (not message-wide-reply-confirm-recipients)
+ (y-or-n-p "Reply to all recipients? ")))
+ (setq recipients (mapconcat
+ (lambda (addr) (cdr addr)) recipients ", "))
+ (if (string-match "^ +" recipients)
+ (setq recipients (substring recipients (match-end 0))))
+ (push (cons 'Cc recipients) follow-to)))
+ follow-to))
+
+(defun message-prune-recipients (recipients)
+ (dolist (rule message-prune-recipient-rules)
+ (let ((match (car rule))
+ dup-match
+ address)
+ (dolist (recipient recipients)
+ (setq address (car recipient))
+ (when (string-match match address)
+ (setq dup-match (replace-match (cadr rule) nil nil address))
+ (dolist (recipient recipients)
+ ;; Don't delete the address that triggered this.
+ (when (and (not (eq address (car recipient)))
+ (string-match dup-match (car recipient)))
+ (setq recipients (delq recipient recipients))))))))
+ recipients)
+
+(defcustom message-simplify-subject-functions
+ '(message-strip-list-identifiers
+ message-strip-subject-re
+ message-strip-subject-trailing-was
+ message-strip-subject-encoded-words)
+ "List of functions taking a string argument that simplify subjects.
+The functions are applied when replying to a message.
+
+Useful functions to put in this list include:
+`message-strip-list-identifiers', `message-strip-subject-re',
+`message-strip-subject-trailing-was', and
+`message-strip-subject-encoded-words'."
+ :version "22.1" ;; Gnus 5.10.9
+ :group 'message-various
+ :type '(repeat function))
+
+(defun message-simplify-subject (subject &optional functions)
+ "Return simplified SUBJECT."
+ (unless functions
+ ;; Simplify fully:
+ (setq functions message-simplify-subject-functions))
+ (when (and (memq 'message-strip-list-identifiers functions)
+ gnus-list-identifiers)
+ (setq subject (message-strip-list-identifiers subject)))
+ (when (memq 'message-strip-subject-re functions)
+ (setq subject (concat "Re: " (message-strip-subject-re subject))))
+ (when (and (memq 'message-strip-subject-trailing-was functions)
+ message-subject-trailing-was-query)
+ (setq subject (message-strip-subject-trailing-was subject)))
+ (when (memq 'message-strip-subject-encoded-words functions)
+ (setq subject (message-strip-subject-encoded-words subject)))
+ subject)
+
+;;;###autoload
+(defun message-reply (&optional to-address wide switch-function)
+ "Start editing a reply to the article in the current buffer."
+ (interactive)
+ (require 'gnus-sum) ; for gnus-list-identifiers
+ (let ((cur (current-buffer))
+ from subject date
+ references message-id follow-to
+ (inhibit-point-motion-hooks t)
+ (message-this-is-mail t)
+ gnus-warning)
+ (save-restriction
+ (message-narrow-to-head-1)
+ ;; Allow customizations to have their say.
+ (if (not wide)
+ ;; This is a regular reply.
+ (when (functionp message-reply-to-function)
+ (save-excursion
+ (setq follow-to (funcall message-reply-to-function))))
+ ;; This is a followup.
+ (when (functionp message-wide-reply-to-function)
+ (save-excursion
+ (setq follow-to
+ (funcall message-wide-reply-to-function)))))
+ (setq message-id (message-fetch-field "message-id" t)
+ references (message-fetch-field "references")
+ date (message-fetch-field "date")
+ from (or (message-fetch-field "from") "nobody")
+ subject (or (message-fetch-field "subject") "none"))
+
+ ;; Strip list identifiers, "Re: ", and "was:"
+ (setq subject (message-simplify-subject subject))
+
+ (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
+ (string-match "<[^>]+>" gnus-warning))
+ (setq message-id (match-string 0 gnus-warning)))
+
+ (unless follow-to
+ (setq follow-to (message-get-reply-headers wide to-address))))
+
+ (let ((headers
+ `((Subject . ,subject)
+ ,@follow-to)))
+ (unless (message-mail-user-agent)
+ (message-pop-to-buffer
+ (message-buffer-name
+ (if wide "wide reply" "reply") from
+ (if wide to-address nil))
+ switch-function))
+ (setq message-reply-headers
+ (vector 0 (cdr (assq 'Subject headers))
+ from date message-id references 0 0 ""))
+ (message-setup headers cur))))
+
+;;;###autoload
+(defun message-wide-reply (&optional to-address)
+ "Make a \"wide\" reply to the message in the current buffer."
+ (interactive)
+ (message-reply to-address t))
+
+;;;###autoload
+(defun message-followup (&optional to-newsgroups)
+ "Follow up to the message in the current buffer.
+If TO-NEWSGROUPS, use that as the new Newsgroups line."
+ (interactive)
+ (require 'gnus-sum) ; for gnus-list-identifiers
+ (let ((cur (current-buffer))
+ from subject date reply-to mrt mct
+ references message-id follow-to
+ (inhibit-point-motion-hooks t)
+ (message-this-is-news t)
+ followup-to distribution newsgroups gnus-warning posted-to)
+ (save-restriction
+ (narrow-to-region
+ (goto-char (point-min))
+ (if (search-forward "\n\n" nil t)
+ (1- (point))
+ (point-max)))
+ (when (functionp message-followup-to-function)
+ (setq follow-to
+ (funcall message-followup-to-function)))
+ (setq from (message-fetch-field "from")
+ date (message-fetch-field "date")
+ subject (or (message-fetch-field "subject") "none")
+ references (message-fetch-field "references")
+ message-id (message-fetch-field "message-id" t)
+ followup-to (message-fetch-field "followup-to")
+ newsgroups (message-fetch-field "newsgroups")
+ posted-to (message-fetch-field "posted-to")
+ reply-to (message-fetch-field "reply-to")
+ mrt (message-fetch-field "mail-reply-to")
+ distribution (message-fetch-field "distribution")
+ mct (message-fetch-field "mail-copies-to"))
+ (when (and (setq gnus-warning (message-fetch-field "gnus-warning"))
+ (string-match "<[^>]+>" gnus-warning))
+ (setq message-id (match-string 0 gnus-warning)))
+ ;; Remove bogus distribution.
+ (when (and (stringp distribution)
+ (let ((case-fold-search t))
+ (string-match "world" distribution)))
+ (setq distribution nil))
+ ;; Strip list identifiers, "Re: ", and "was:"
+ (setq subject (message-simplify-subject subject))
+ (widen))
+
+ (message-pop-to-buffer (message-buffer-name "followup" from newsgroups))
+
+ (setq message-reply-headers
+ (vector 0 subject from date message-id references 0 0 ""))
+
+ (message-setup
+ `((Subject . ,subject)
+ ,@(cond
+ (to-newsgroups
+ (list (cons 'Newsgroups to-newsgroups)))
+ (follow-to follow-to)
+ ((and followup-to message-use-followup-to)
+ (list
+ (cond
+ ((equal (downcase followup-to) "poster")
+ (if (or (eq message-use-followup-to 'use)
+ (message-y-or-n-p "Obey Followup-To: poster? " t "\
+You should normally obey the Followup-To: header.
+
+`Followup-To: poster' sends your response via e-mail instead of news.
+
+A typical situation where `Followup-To: poster' is used is when the poster
+does not read the newsgroup, so he wouldn't see any replies sent to it.
+
+You may customize the variable `message-use-followup-to', if you
+want to get rid of this query permanently."))
+ (progn
+ (setq message-this-is-news nil)
+ (cons 'To (or mrt reply-to from "")))
+ (cons 'Newsgroups newsgroups)))
+ (t
+ (if (or (equal followup-to newsgroups)
+ (not (eq message-use-followup-to 'ask))
+ (message-y-or-n-p
+ (concat "Obey Followup-To: " followup-to "? ") t "\
+You should normally obey the Followup-To: header.
+
+ `Followup-To: " followup-to "'
+directs your response to " (if (string-match "," followup-to)
+ "the specified newsgroups"
+ "that newsgroup only") ".
+
+If a message is posted to several newsgroups, Followup-To is often
+used to direct the following discussion to one newsgroup only,
+because discussions that are spread over several newsgroup tend to
+be fragmented and very difficult to follow.
+
+Also, some source/announcement newsgroups are not intended for discussion;
+responses here are directed to other newsgroups.
+
+You may customize the variable `message-use-followup-to', if you
+want to get rid of this query permanently."))
+ (cons 'Newsgroups followup-to)
+ (cons 'Newsgroups newsgroups))))))
+ (posted-to
+ `((Newsgroups . ,posted-to)))
+ (t
+ `((Newsgroups . ,newsgroups))))
+ ,@(and distribution (list (cons 'Distribution distribution)))
+ ,@(when (and mct
+ (not (or (equal (downcase mct) "never")
+ (equal (downcase mct) "nobody"))))
+ (list (cons 'Cc (if (or (equal (downcase mct) "always")
+ (equal (downcase mct) "poster"))
+ (or mrt reply-to from "")
+ mct)))))
+
+ cur)))
+
+(defun message-is-yours-p ()
+ "Non-nil means current article is yours.
+If you have added `cancel-messages' to `message-shoot-gnksa-feet', all articles
+are yours except those that have Cancel-Lock header not belonging to you.
+Instead of shooting GNKSA feet, you should modify `message-alternative-emails'
+regexp to match all of yours addresses."
+ ;; Canlock-logic as suggested by Per Abrahamsen
+ ;; <abraham@dina.kvl.dk>
+ ;;
+ ;; IF article has cancel-lock THEN
+ ;; IF we can verify it THEN
+ ;; issue cancel
+ ;; ELSE
+ ;; error: cancellock: article is not yours
+ ;; ELSE
+ ;; Use old rules, comparing sender...
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-head-1)
+ (if (and (message-fetch-field "Cancel-Lock")
+ (message-gnksa-enable-p 'canlock-verify))
+ (if (null (canlock-verify))
+ t
+ (error "Failed to verify Cancel-lock: This article is not yours"))
+ (let (sender from)
+ (or
+ (message-gnksa-enable-p 'cancel-messages)
+ (and (setq sender (message-fetch-field "sender"))
+ (string-equal (downcase sender)
+ (downcase (message-make-sender))))
+ ;; Email address in From field equals to our address
+ (and (setq from (message-fetch-field "from"))
+ (string-equal
+ (downcase (car (mail-header-parse-address from)))
+ (downcase (car (mail-header-parse-address
+ (message-make-from))))))
+ ;; Email address in From field matches
+ ;; 'message-alternative-emails' regexp
+ (and from
+ message-alternative-emails
+ (string-match
+ message-alternative-emails
+ (car (mail-header-parse-address from))))))))))
+
+;;;###autoload
+(defun message-cancel-news (&optional arg)
+ "Cancel an article you posted.
+If ARG, allow editing of the cancellation message."
+ (interactive "P")
+ (unless (message-news-p)
+ (error "This is not a news article; canceling is impossible"))
+ (let (from newsgroups message-id distribution buf)
+ (save-excursion
+ ;; Get header info from original article.
+ (save-restriction
+ (message-narrow-to-head-1)
+ (setq from (message-fetch-field "from")
+ newsgroups (message-fetch-field "newsgroups")
+ message-id (message-fetch-field "message-id" t)
+ distribution (message-fetch-field "distribution")))
+ ;; Make sure that this article was written by the user.
+ (unless (message-is-yours-p)
+ (error "This article is not yours"))
+ (when (yes-or-no-p "Do you really want to cancel this article? ")
+ ;; Make control message.
+ (if arg
+ (message-news)
+ (setq buf (set-buffer (get-buffer-create " *message cancel*"))))
+ (erase-buffer)
+ (insert "Newsgroups: " newsgroups "\n"
+ "From: " from "\n"
+ "Subject: cancel " message-id "\n"
+ "Control: cancel " message-id "\n"
+ (if distribution
+ (concat "Distribution: " distribution "\n")
+ "")
+ mail-header-separator "\n"
+ message-cancel-message)
+ (run-hooks 'message-cancel-hook)
+ (unless arg
+ (message "Canceling your article...")
+ (if (let ((message-syntax-checks
+ 'dont-check-for-anything-just-trust-me))
+ (funcall message-send-news-function))
+ (message "Canceling your article...done"))
+ (kill-buffer buf))))))
+
+;;;###autoload
+(defun message-supersede ()
+ "Start composing a message to supersede the current message.
+This is done simply by taking the old article and adding a Supersedes
+header line with the old Message-ID."
+ (interactive)
+ (let ((cur (current-buffer)))
+ ;; Check whether the user owns the article that is to be superseded.
+ (unless (message-is-yours-p)
+ (error "This article is not yours"))
+ ;; Get a normal message buffer.
+ (message-pop-to-buffer (message-buffer-name "supersede"))
+ (insert-buffer-substring cur)
+ (mime-to-mml)
+ (message-narrow-to-head-1)
+ ;; Remove unwanted headers.
+ (when message-ignored-supersedes-headers
+ (message-remove-header message-ignored-supersedes-headers t))
+ (goto-char (point-min))
+ (if (not (re-search-forward "^Message-ID: " nil t))
+ (error "No Message-ID in this article")
+ (replace-match "Supersedes: " t t))
+ (goto-char (point-max))
+ (insert mail-header-separator)
+ (widen)
+ (forward-line 1)))
+
+;;;###autoload
+(defun message-recover ()
+ "Reread contents of current buffer from its last auto-save file."
+ (interactive)
+ (let ((file-name (make-auto-save-file-name)))
+ (cond ((save-window-excursion
+ (with-output-to-temp-buffer "*Directory*"
+ (with-current-buffer standard-output
+ (fundamental-mode)) ; for Emacs 20.4+
+ (buffer-disable-undo standard-output)
+ (let ((default-directory "/"))
+ (call-process
+ "ls" nil standard-output nil "-l" file-name)))
+ (yes-or-no-p (format "Recover auto save file %s? " file-name)))
+ (let ((buffer-read-only nil))
+ (erase-buffer)
+ (insert-file-contents file-name nil)))
+ (t (error "message-recover canceled")))))
+
+;;; Washing Subject:
+
+(defun message-wash-subject (subject)
+ "Remove junk like \"Re:\", \"(fwd)\", etc. added to subject string SUBJECT.
+Previous forwarders, repliers, etc. may add it."
+ (with-temp-buffer
+ (insert subject)
+ (goto-char (point-min))
+ ;; strip Re/Fwd stuff off the beginning
+ (while (re-search-forward
+ "\\([Rr][Ee]:\\|[Ff][Ww][Dd]\\(\\[[0-9]*\\]\\)?:\\|[Ff][Ww]:\\)" nil t)
+ (replace-match ""))
+
+ ;; and gnus-style forwards [foo@bar.com] subject
+ (goto-char (point-min))
+ (while (re-search-forward "\\[[^ \t]*\\(@\\|\\.\\)[^ \t]*\\]" nil t)
+ (replace-match ""))
+
+ ;; and off the end
+ (goto-char (point-max))
+ (while (re-search-backward "([Ff][Ww][Dd])" nil t)
+ (replace-match ""))
+
+ ;; and finally, any whitespace that was left-over
+ (goto-char (point-min))
+ (while (re-search-forward "^[ \t]+" nil t)
+ (replace-match ""))
+ (goto-char (point-max))
+ (while (re-search-backward "[ \t]+$" nil t)
+ (replace-match ""))
+
+ (buffer-string)))
+
+;;; Forwarding messages.
+
+(defvar message-forward-decoded-p nil
+ "Non-nil means the original message is decoded.")
+
+(defun message-forward-subject-name-subject (subject)
+ "Generate a SUBJECT for a forwarded message.
+The form is: [Source] Subject, where if the original message was mail,
+Source is the name of the sender, and if the original message was
+news, Source is the list of newsgroups is was posted to."
+ (let* ((group (message-fetch-field "newsgroups"))
+ (from (message-fetch-field "from"))
+ (prefix
+ (if group
+ (gnus-group-decoded-name group)
+ (or (and from (or
+ (car (gnus-extract-address-components from))
+ (cadr (gnus-extract-address-components from))))
+ "(nowhere)"))))
+ (concat "["
+ (if message-forward-decoded-p
+ prefix
+ (mail-decode-encoded-word-string prefix))
+ "] " subject)))
+
+(defun message-forward-subject-author-subject (subject)
+ "Generate a SUBJECT for a forwarded message.
+The form is: [Source] Subject, where if the original message was mail,
+Source is the sender, and if the original message was news, Source is
+the list of newsgroups is was posted to."
+ (let* ((group (message-fetch-field "newsgroups"))
+ (prefix
+ (if group
+ (gnus-group-decoded-name group)
+ (or (message-fetch-field "from")
+ "(nowhere)"))))
+ (concat "["
+ (if message-forward-decoded-p
+ prefix
+ (mail-decode-encoded-word-string prefix))
+ "] " subject)))
+
+(defun message-forward-subject-fwd (subject)
+ "Generate a SUBJECT for a forwarded message.
+The form is: Fwd: Subject, where Subject is the original subject of
+the message."
+ (if (string-match "^Fwd: " subject)
+ subject
+ (concat "Fwd: " subject)))
+
+(defun message-make-forward-subject ()
+ "Return a Subject header suitable for the message in the current buffer."
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-head-1)
+ (let ((funcs message-make-forward-subject-function)
+ (subject (message-fetch-field "Subject")))
+ (setq subject
+ (if subject
+ (if message-forward-decoded-p
+ subject
+ (mail-decode-encoded-word-string subject))
+ ""))
+ (when message-wash-forwarded-subjects
+ (setq subject (message-wash-subject subject)))
+ ;; Make sure funcs is a list.
+ (and funcs
+ (not (listp funcs))
+ (setq funcs (list funcs)))
+ ;; Apply funcs in order, passing subject generated by previous
+ ;; func to the next one.
+ (dolist (func funcs)
+ (when (functionp func)
+ (setq subject (funcall func subject))))
+ subject))))
+
+(defvar gnus-article-decoded-p)
+
+
+;;;###autoload
+(defun message-forward (&optional news digest)
+ "Forward the current message via mail.
+Optional NEWS will use news to forward instead of mail.
+Optional DIGEST will use digest to forward."
+ (interactive "P")
+ (let* ((cur (current-buffer))
+ (message-forward-decoded-p
+ (if (local-variable-p 'gnus-article-decoded-p (current-buffer))
+ gnus-article-decoded-p ;; In an article buffer.
+ message-forward-decoded-p))
+ (subject (message-make-forward-subject)))
+ (if news
+ (message-news nil subject)
+ (message-mail nil subject))
+ (message-forward-make-body cur digest)))
+
+(defun message-forward-make-body-plain (forward-buffer)
+ (insert
+ "\n-------------------- Start of forwarded message --------------------\n")
+ (let ((b (point))
+ (contents (with-current-buffer forward-buffer (buffer-string)))
+ e)
+ (unless (featurep 'xemacs)
+ (unless (mm-multibyte-string-p contents)
+ (error "Attempt to insert unibyte string from the buffer \"%s\"\
+ to the multibyte buffer \"%s\""
+ (if (bufferp forward-buffer)
+ (buffer-name forward-buffer)
+ forward-buffer)
+ (buffer-name))))
+ (insert (mm-with-multibyte-buffer
+ (insert contents)
+ (mime-to-mml)
+ (goto-char (point-min))
+ (when (looking-at "From ")
+ (replace-match "X-From-Line: "))
+ (buffer-string)))
+ (unless (bolp) (insert "\n"))
+ (setq e (point))
+ (insert
+ "-------------------- End of forwarded message --------------------\n")
+ (message-remove-ignored-headers b e)))
+
+(defun message-remove-ignored-headers (b e)
+ (when (or message-forward-ignored-headers
+ message-forward-included-headers)
+ (save-restriction
+ (narrow-to-region b e)
+ (goto-char b)
+ (narrow-to-region (point)
+ (or (search-forward "\n\n" nil t) (point)))
+ (when message-forward-ignored-headers
+ (let ((ignored (if (stringp message-forward-ignored-headers)
+ (list message-forward-ignored-headers)
+ message-forward-ignored-headers)))
+ (dolist (elem ignored)
+ (message-remove-header elem t))))
+ (when message-forward-included-headers
+ (message-remove-header
+ (if (listp message-forward-included-headers)
+ (regexp-opt message-forward-included-headers)
+ message-forward-included-headers)
+ t nil t)))))
+
+(defun message-forward-make-body-mime (forward-buffer &optional beg end)
+ (let ((b (point)))
+ (insert "\n\n<#part type=message/rfc822 disposition=inline raw=t>\n")
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (insert-buffer-substring forward-buffer beg end)
+ (mml-quote-region (point-min) (point-max))
+ (goto-char (point-min))
+ (when (looking-at "From ")
+ (replace-match "X-From-Line: "))
+ (goto-char (point-max)))
+ (insert "<#/part>\n")
+ ;; Consider there is no illegible text.
+ (add-text-properties
+ b (point)
+ `(no-illegible-text t rear-nonsticky t start-open t))))
+
+(defun message-forward-make-body-mml (forward-buffer)
+ (insert "\n\n<#mml type=message/rfc822 disposition=inline>\n")
+ (let ((b (point)) e)
+ (if (not message-forward-decoded-p)
+ (let ((contents (with-current-buffer forward-buffer (buffer-string))))
+ (unless (featurep 'xemacs)
+ (unless (mm-multibyte-string-p contents)
+ (error "Attempt to insert unibyte string from the buffer \"%s\"\
+ to the multibyte buffer \"%s\""
+ (if (bufferp forward-buffer)
+ (buffer-name forward-buffer)
+ forward-buffer)
+ (buffer-name))))
+ (insert (mm-with-multibyte-buffer
+ (insert contents)
+ (mime-to-mml)
+ (goto-char (point-min))
+ (when (looking-at "From ")
+ (replace-match "X-From-Line: "))
+ (buffer-string))))
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (mml-insert-buffer forward-buffer)
+ (goto-char (point-min))
+ (when (looking-at "From ")
+ (replace-match "X-From-Line: "))
+ (goto-char (point-max))))
+ (setq e (point))
+ (insert "<#/mml>\n")
+ (when (not message-forward-decoded-p)
+ (message-remove-ignored-headers b e))))
+
+(defun message-forward-make-body-digest-plain (forward-buffer)
+ (insert
+ "\n-------------------- Start of forwarded message --------------------\n")
+ (mml-insert-buffer forward-buffer)
+ (insert
+ "\n-------------------- End of forwarded message --------------------\n"))
+
+(defun message-forward-make-body-digest-mime (forward-buffer)
+ (insert "\n<#multipart type=digest>\n")
+ (let ((b (point)) e)
+ (insert-buffer-substring forward-buffer)
+ (setq e (point))
+ (insert "<#/multipart>\n")
+ (save-restriction
+ (narrow-to-region b e)
+ (goto-char b)
+ (narrow-to-region (point)
+ (or (search-forward "\n\n" nil t) (point)))
+ (delete-region (point-min) (point-max)))))
+
+(defun message-forward-make-body-digest (forward-buffer)
+ (if message-forward-as-mime
+ (message-forward-make-body-digest-mime forward-buffer)
+ (message-forward-make-body-digest-plain forward-buffer)))
+
+(autoload 'mm-uu-dissect-text-parts "mm-uu")
+(autoload 'mm-uu-dissect "mm-uu")
+
+(defun message-signed-or-encrypted-p (&optional dont-emulate-mime handles)
+ "Say whether the current buffer contains signed or encrypted message.
+If DONT-EMULATE-MIME is nil, this function does the MIME emulation on
+messages that don't conform to PGP/MIME described in RFC2015. HANDLES
+is for the internal use."
+ (unless handles
+ (let ((mm-decrypt-option 'never)
+ (mm-verify-option 'never))
+ (if (setq handles (mm-dissect-buffer nil t))
+ (unless dont-emulate-mime
+ (mm-uu-dissect-text-parts handles))
+ (unless dont-emulate-mime
+ (setq handles (mm-uu-dissect))))))
+ ;; Check text/plain message in which there is a signed or encrypted
+ ;; body that has been encoded by B or Q.
+ (unless (or handles dont-emulate-mime)
+ (let ((cur (current-buffer))
+ (mm-decrypt-option 'never)
+ (mm-verify-option 'never))
+ (with-temp-buffer
+ (insert-buffer-substring cur)
+ (when (setq handles (mm-dissect-buffer t t))
+ (if (and (bufferp (car handles))
+ (equal (mm-handle-media-type handles) "text/plain"))
+ (progn
+ (erase-buffer)
+ (insert-buffer-substring (car handles))
+ (mm-decode-content-transfer-encoding
+ (mm-handle-encoding handles))
+ (mm-destroy-parts handles)
+ (setq handles (mm-uu-dissect)))
+ (mm-destroy-parts handles)
+ (setq handles nil))))))
+ (when handles
+ (prog1
+ (catch 'found
+ (dolist (handle (if (stringp (car handles))
+ (if (member (car handles)
+ '("multipart/signed"
+ "multipart/encrypted"))
+ (throw 'found t)
+ (cdr handles))
+ (list handles)))
+ (if (stringp (car handle))
+ (when (message-signed-or-encrypted-p dont-emulate-mime handle)
+ (throw 'found t))
+ (when (and (bufferp (car handle))
+ (equal (mm-handle-media-type handle)
+ "message/rfc822"))
+ (with-current-buffer (mm-handle-buffer handle)
+ (when (message-signed-or-encrypted-p dont-emulate-mime)
+ (throw 'found t)))))))
+ (mm-destroy-parts handles))))
+
+;;;###autoload
+(defun message-forward-make-body (forward-buffer &optional digest)
+ ;; Put point where we want it before inserting the forwarded
+ ;; message.
+ (if message-forward-before-signature
+ (message-goto-body)
+ (goto-char (point-max)))
+ (if digest
+ (message-forward-make-body-digest forward-buffer)
+ (if message-forward-as-mime
+ (if (and message-forward-show-mml
+ (not (and (eq message-forward-show-mml 'best)
+ ;; Use the raw form in the body if it contains
+ ;; signed or encrypted message so as not to be
+ ;; destroyed by re-encoding.
+ (with-current-buffer forward-buffer
+ (condition-case nil
+ (message-signed-or-encrypted-p)
+ (error t))))))
+ (message-forward-make-body-mml forward-buffer)
+ (message-forward-make-body-mime forward-buffer))
+ (message-forward-make-body-plain forward-buffer)))
+ (message-position-point))
+
+(declare-function rmail-toggle-header "rmail" (&optional arg))
+
+;;;###autoload
+(defun message-forward-rmail-make-body (forward-buffer)
+ (save-window-excursion
+ (set-buffer forward-buffer)
+ (if (rmail-msg-is-pruned)
+ (if (fboundp 'rmail-msg-restore-non-pruned-header)
+ (rmail-msg-restore-non-pruned-header) ; Emacs 22
+ (rmail-toggle-header 0)))) ; Emacs 23
+ (message-forward-make-body forward-buffer))
+
+;; Fixme: Should have defcustom.
+;;;###autoload
+(defun message-insinuate-rmail ()
+ "Let RMAIL use message to forward."
+ (interactive)
+ (setq rmail-enable-mime-composing t)
+ (setq rmail-insert-mime-forwarded-message-function
+ 'message-forward-rmail-make-body))
+
+(defvar message-inhibit-body-encoding nil)
+
+;;;###autoload
+(defun message-resend (address)
+ "Resend the current article to ADDRESS."
+ (interactive
+ (list (message-read-from-minibuffer "Resend message to: ")))
+ (message "Resending message to %s..." address)
+ (save-excursion
+ (let ((cur (current-buffer))
+ gcc beg)
+ ;; We first set up a normal mail buffer.
+ (unless (message-mail-user-agent)
+ (set-buffer (get-buffer-create " *message resend*"))
+ (let ((inhibit-read-only t))
+ (erase-buffer)))
+ (let ((message-this-is-mail t)
+ message-generate-hashcash
+ message-setup-hook)
+ (message-setup `((To . ,address))))
+ ;; Insert our usual headers.
+ (message-generate-headers '(From Date To Message-ID))
+ (message-narrow-to-headers)
+ (when (setq gcc (mail-fetch-field "gcc" nil t))
+ (message-remove-header "gcc"))
+ ;; Remove X-Draft-From header etc.
+ (message-remove-header message-ignored-mail-headers t)
+ ;; Rename them all to "Resent-*".
+ (goto-char (point-min))
+ (while (re-search-forward "^[A-Za-z]" nil t)
+ (forward-char -1)
+ (insert "Resent-"))
+ (widen)
+ (forward-line)
+ (let ((inhibit-read-only t))
+ (delete-region (point) (point-max)))
+ (setq beg (point))
+ ;; Insert the message to be resent.
+ (insert-buffer-substring cur)
+ (goto-char (point-min))
+ (search-forward "\n\n")
+ (forward-char -1)
+ (save-restriction
+ (narrow-to-region beg (point))
+ (message-remove-header message-ignored-resent-headers t)
+ (goto-char (point-max)))
+ (insert mail-header-separator)
+ ;; Rename all old ("Also-")Resent headers.
+ (while (re-search-backward "^\\(Also-\\)*Resent-" beg t)
+ (beginning-of-line)
+ (insert "Also-"))
+ ;; Quote any "From " lines at the beginning.
+ (goto-char beg)
+ (when (looking-at "From ")
+ (replace-match "X-From-Line: "))
+ ;; Send it.
+ (let ((message-inhibit-body-encoding
+ ;; Don't do any further encoding if it looks like the
+ ;; message has already been encoded.
+ (let ((case-fold-search t))
+ (re-search-forward "^mime-version:" nil t)))
+ (message-inhibit-ecomplete t)
+ message-required-mail-headers
+ message-generate-hashcash
+ rfc2047-encode-encoded-words)
+ (message-send-mail))
+ (when gcc
+ (message-goto-eoh)
+ (insert "Gcc: " gcc "\n"))
+ (run-hooks 'message-sent-hook)
+ (kill-buffer (current-buffer)))
+ (message "Resending message to %s...done" address)))
+
+;;;###autoload
+(defun message-bounce ()
+ "Re-mail the current message.
+This only makes sense if the current message is a bounce message that
+contains some mail you have written which has been bounced back to
+you."
+ (interactive)
+ (let ((handles (mm-dissect-buffer t))
+ boundary)
+ (message-pop-to-buffer (message-buffer-name "bounce"))
+ (if (stringp (car handles))
+ ;; This is a MIME bounce.
+ (mm-insert-part (car (last handles)))
+ ;; This is a non-MIME bounce, so we try to remove things
+ ;; manually.
+ (mm-insert-part handles)
+ (undo-boundary)
+ (goto-char (point-min))
+ (re-search-forward "\n\n+" nil t)
+ (setq boundary (point))
+ ;; We remove everything before the bounced mail.
+ (if (or (re-search-forward message-unsent-separator nil t)
+ (progn
+ (search-forward "\n\n" nil 'move)
+ (re-search-backward "^Return-Path:.*\n" boundary t)))
+ (progn
+ (forward-line 1)
+ (delete-region (point-min)
+ (if (re-search-forward "^[^ \n\t]+:" nil t)
+ (match-beginning 0)
+ (point))))
+ (goto-char boundary)
+ (when (re-search-backward "^.?From .*\n" nil t)
+ (delete-region (match-beginning 0) (match-end 0)))))
+ (mime-to-mml)
+ (save-restriction
+ (message-narrow-to-head-1)
+ (message-remove-header message-ignored-bounced-headers t)
+ (goto-char (point-max))
+ (insert mail-header-separator))
+ (message-position-point)))
+
+;;;
+;;; Interactive entry points for new message buffers.
+;;;
+
+;;;###autoload
+(defun message-mail-other-window (&optional to subject)
+ "Like `message-mail' command, but display mail buffer in another window."
+ (interactive)
+ (unless (message-mail-user-agent)
+ (message-pop-to-buffer (message-buffer-name "mail" to)
+ 'switch-to-buffer-other-window))
+ (let ((message-this-is-mail t))
+ (message-setup `((To . ,(or to "")) (Subject . ,(or subject "")))
+ nil nil nil 'switch-to-buffer-other-window)))
+
+;;;###autoload
+(defun message-mail-other-frame (&optional to subject)
+ "Like `message-mail' command, but display mail buffer in another frame."
+ (interactive)
+ (unless (message-mail-user-agent)
+ (message-pop-to-buffer (message-buffer-name "mail" to)
+ 'switch-to-buffer-other-frame))
+ (let ((message-this-is-mail t))
+ (message-setup `((To . ,(or to "")) (Subject . ,(or subject "")))
+ nil nil nil 'switch-to-buffer-other-frame)))
+
+;;;###autoload
+(defun message-news-other-window (&optional newsgroups subject)
+ "Start editing a news article to be sent."
+ (interactive)
+ (message-pop-to-buffer (message-buffer-name "posting" nil newsgroups)
+ 'switch-to-buffer-other-window)
+ (let ((message-this-is-news t))
+ (message-setup `((Newsgroups . ,(or newsgroups ""))
+ (Subject . ,(or subject ""))))))
+
+;;;###autoload
+(defun message-news-other-frame (&optional newsgroups subject)
+ "Start editing a news article to be sent."
+ (interactive)
+ (message-pop-to-buffer (message-buffer-name "posting" nil newsgroups)
+ 'switch-to-buffer-other-frame)
+ (let ((message-this-is-news t))
+ (message-setup `((Newsgroups . ,(or newsgroups ""))
+ (Subject . ,(or subject ""))))))
+
+;;; underline.el
+
+;; This code should be moved to underline.el (from which it is stolen).
+
+;;;###autoload
+(defun message-bold-region (start end)
+ "Bold all nonblank characters in the region.
+Works by overstriking characters.
+Called from program, takes two arguments START and END
+which specify the range to operate on."
+ (interactive "r")
+ (save-excursion
+ (let ((end1 (make-marker)))
+ (move-marker end1 (max start end))
+ (goto-char (min start end))
+ (while (< (point) end1)
+ (or (looking-at "[_\^@- ]")
+ (insert (char-after) "\b"))
+ (forward-char 1)))))
+
+;;;###autoload
+(defun message-unbold-region (start end)
+ "Remove all boldness (overstruck characters) in the region.
+Called from program, takes two arguments START and END
+which specify the range to operate on."
+ (interactive "r")
+ (save-excursion
+ (let ((end1 (make-marker)))
+ (move-marker end1 (max start end))
+ (goto-char (min start end))
+ (while (search-forward "\b" end1 t)
+ (if (eq (char-after) (char-after (- (point) 2)))
+ (delete-char -2))))))
+
+(defun message-exchange-point-and-mark ()
+ "Exchange point and mark, but don't activate region if it was inactive."
+ (goto-char (prog1 (mark t)
+ (set-marker (mark-marker) (point)))))
+
+;; Support for toolbar
+(defvar tool-bar-mode)
+
+;; Note: The :set function in the `message-tool-bar*' variables will only
+;; affect _new_ message buffers. We might add a function that walks thru all
+;; message-mode buffers and force the update.
+(defun message-tool-bar-update (&optional symbol value)
+ "Update message mode toolbar.
+Setter function for custom variables."
+ (setq-default message-tool-bar-map nil)
+ (when symbol
+ ;; When used as ":set" function:
+ (set-default symbol value)))
+
+(defcustom message-tool-bar (if (eq gmm-tool-bar-style 'gnome)
+ 'message-tool-bar-gnome
+ 'message-tool-bar-retro)
+ "Specifies the message mode tool bar.
+
+It can be either a list or a symbol referring to a list. See
+`gmm-tool-bar-from-list' for the format of the list. The
+default key map is `message-mode-map'.
+
+Pre-defined symbols include `message-tool-bar-gnome' and
+`message-tool-bar-retro'."
+ :type '(repeat gmm-tool-bar-list-item)
+ :type '(choice (const :tag "GNOME style" message-tool-bar-gnome)
+ (const :tag "Retro look" message-tool-bar-retro)
+ (repeat :tag "User defined list" gmm-tool-bar-item)
+ (symbol))
+ :version "23.1" ;; No Gnus
+ :initialize 'custom-initialize-default
+ :set 'message-tool-bar-update
+ :group 'message)
+
+(defcustom message-tool-bar-gnome
+ '((ispell-message "spell" nil
+ :vert-only t
+ :visible (or (not (boundp 'flyspell-mode))
+ (not flyspell-mode)))
+ (flyspell-buffer "spell" t
+ :vert-only t
+ :visible (and (boundp 'flyspell-mode)
+ flyspell-mode)
+ :help "Flyspell whole buffer")
+ (message-send-and-exit "mail/send" t :label "Send")
+ (message-dont-send "mail/save-draft")
+ (mml-attach-file "attach" mml-mode-map :vert-only t)
+ (mml-preview "mail/preview" mml-mode-map)
+ (mml-secure-message-sign-encrypt "lock" mml-mode-map :visible nil)
+ (message-insert-importance-high "important" nil :visible nil)
+ (message-insert-importance-low "unimportant" nil :visible nil)
+ (message-insert-disposition-notification-to "receipt" nil :visible nil))
+ "List of items for the message tool bar (GNOME style).
+
+See `gmm-tool-bar-from-list' for details on the format of the list."
+ :type '(repeat gmm-tool-bar-item)
+ :version "23.1" ;; No Gnus
+ :initialize 'custom-initialize-default
+ :set 'message-tool-bar-update
+ :group 'message)
+
+(defcustom message-tool-bar-retro
+ '(;; Old Emacs 21 icon for consistency.
+ (message-send-and-exit "gnus/mail-send")
+ (message-kill-buffer "close")
+ (message-dont-send "cancel")
+ (mml-attach-file "attach" mml-mode-map)
+ (ispell-message "spell")
+ (mml-preview "preview" mml-mode-map)
+ (message-insert-importance-high "gnus/important")
+ (message-insert-importance-low "gnus/unimportant")
+ (message-insert-disposition-notification-to "gnus/receipt"))
+ "List of items for the message tool bar (retro style).
+
+See `gmm-tool-bar-from-list' for details on the format of the list."
+ :type '(repeat gmm-tool-bar-item)
+ :version "23.1" ;; No Gnus
+ :initialize 'custom-initialize-default
+ :set 'message-tool-bar-update
+ :group 'message)
+
+(defcustom message-tool-bar-zap-list
+ '(new-file open-file dired kill-buffer write-file
+ print-buffer customize help)
+ "List of icon items from the global tool bar.
+These items are not displayed on the message mode tool bar.
+
+See `gmm-tool-bar-from-list' for the format of the list."
+ :type 'gmm-tool-bar-zap-list
+ :version "23.1" ;; No Gnus
+ :initialize 'custom-initialize-default
+ :set 'message-tool-bar-update
+ :group 'message)
+
+(defvar image-load-path)
+
+(defun message-make-tool-bar (&optional force)
+ "Make a message mode tool bar from `message-tool-bar-list'.
+When FORCE, rebuild the tool bar."
+ (when (and (not (featurep 'xemacs))
+ (boundp 'tool-bar-mode)
+ tool-bar-mode
+ (or (not message-tool-bar-map) force))
+ (setq message-tool-bar-map
+ (let* ((load-path
+ (gmm-image-load-path-for-library "message"
+ "mail/save-draft.xpm"
+ nil t))
+ (image-load-path (cons (car load-path)
+ (when (boundp 'image-load-path)
+ image-load-path))))
+ (gmm-tool-bar-from-list message-tool-bar
+ message-tool-bar-zap-list
+ 'message-mode-map))))
+ message-tool-bar-map)
+
+;;; Group name completion.
+
+(defcustom message-newgroups-header-regexp
+ "^\\(Newsgroups\\|Followup-To\\|Posted-To\\|Gcc\\):"
+ "Regexp that match headers that lists groups."
+ :group 'message
+ :type 'regexp)
+
+(defcustom message-completion-alist
+ (list (cons message-newgroups-header-regexp 'message-expand-group)
+ '("^\\(Resent-\\)?\\(To\\|B?Cc\\):" . message-expand-name)
+ '("^\\(Reply-To\\|From\\|Mail-Followup-To\\|Mail-Copies-To\\):"
+ . message-expand-name)
+ '("^\\(Disposition-Notification-To\\|Return-Receipt-To\\):"
+ . message-expand-name))
+ "Alist of (RE . FUN). Use FUN for completion on header lines matching RE."
+ :version "22.1"
+ :group 'message
+ :type '(alist :key-type regexp :value-type function))
+
+(defcustom message-expand-name-databases
+ '(bbdb eudc)
+ "List of databases to try for name completion (`message-expand-name').
+Each element is a symbol and can be `bbdb' or `eudc'."
+ :group 'message
+ :type '(set (const bbdb) (const eudc)))
+
+(defcustom message-tab-body-function nil
+ "*Function to execute when `message-tab' (TAB) is executed in the body.
+If nil, the function bound in `text-mode-map' or `global-map' is executed."
+ :version "22.1"
+ :group 'message
+ :link '(custom-manual "(message)Various Commands")
+ :type '(choice (const nil)
+ function))
+
+(declare-function mail-abbrev-in-expansion-header-p "mailabbrev" ())
+
+(defun message-tab ()
+ "Complete names according to `message-completion-alist'.
+Execute function specified by `message-tab-body-function' when
+not in those headers. If that variable is nil, indent with the
+regular text mode tabbing command."
+ (interactive)
+ (cond
+ ((if (and (boundp 'completion-fail-discreetly)
+ (fboundp 'completion-at-point))
+ (let ((completion-fail-discreetly t)) (completion-at-point))
+ (funcall (or (message-completion-function) #'ignore)))
+ ;; Completion was performed; nothing else to do.
+ nil)
+ (message-tab-body-function (funcall message-tab-body-function))
+ (t (funcall (or (lookup-key text-mode-map "\t")
+ (lookup-key global-map "\t")
+ 'indent-relative)))))
+
+(defvar mail-abbrev-mode-regexp)
+
+(defun message-completion-function ()
+ (let ((alist message-completion-alist))
+ (while (and alist
+ (let ((mail-abbrev-mode-regexp (caar alist)))
+ (not (mail-abbrev-in-expansion-header-p))))
+ (setq alist (cdr alist)))
+ (when (cdar alist)
+ (lexical-let ((fun (cdar alist)))
+ ;; Even if completion fails, return a non-nil value, so as to avoid
+ ;; falling back to message-tab-body-function.
+ (lambda () (funcall fun) 'completion-attempted)))))
+
+(defun message-expand-group ()
+ "Expand the group name under point."
+ (let ((b (save-excursion
+ (save-restriction
+ (narrow-to-region
+ (save-excursion
+ (beginning-of-line)
+ (skip-chars-forward "^:")
+ (1+ (point)))
+ (point))
+ (skip-chars-backward "^, \t\n") (point))))
+ (completion-ignore-case t)
+ (e (progn (skip-chars-forward "^,\t\n ") (point)))
+ group collection)
+ (when (and (boundp 'gnus-active-hashtb)
+ gnus-active-hashtb)
+ (mapatoms
+ (lambda (symbol)
+ (setq group (symbol-name symbol))
+ (push (if (string-match "[^\000-\177]" group)
+ (gnus-group-decoded-name group)
+ group)
+ collection))
+ gnus-active-hashtb))
+ (message-completion-in-region b e collection)))
+
+(defalias 'message-completion-in-region
+ (if (fboundp 'completion-in-region)
+ 'completion-in-region
+ (lambda (b e hashtb)
+ (let* ((string (buffer-substring b e))
+ (completions (all-completions string hashtb))
+ comp)
+ (delete-region b (point))
+ (cond
+ ((= (length completions) 1)
+ (if (string= (car completions) string)
+ (progn
+ (insert string)
+ (message "Only matching group"))
+ (insert (car completions))))
+ ((and (setq comp (try-completion string hashtb))
+ (not (string= comp string)))
+ (insert comp))
+ (t
+ (insert string)
+ (if (not comp)
+ (message "No matching groups")
+ (save-selected-window
+ (pop-to-buffer "*Completions*")
+ (buffer-disable-undo)
+ (let ((buffer-read-only nil))
+ (erase-buffer)
+ (let ((standard-output (current-buffer)))
+ (display-completion-list (sort completions 'string<)))
+ (setq buffer-read-only nil)
+ (goto-char (point-min))
+ (delete-region (point)
+ (progn (forward-line 3) (point))))))))))))
+
+(defun message-expand-name ()
+ (cond ((and (memq 'eudc message-expand-name-databases)
+ (boundp 'eudc-protocol)
+ eudc-protocol)
+ (eudc-expand-inline))
+ ((and (memq 'bbdb message-expand-name-databases)
+ (fboundp 'bbdb-complete-name))
+ (let ((starttick (buffer-modified-tick)))
+ (or (bbdb-complete-name)
+ ;; Apparently, bbdb-complete-name can return nil even when
+ ;; completion took place. So let's double check the buffer was
+ ;; not modified.
+ (/= starttick (buffer-modified-tick)))))
+ (t
+ (expand-abbrev))))
+
+;;; Help stuff.
+
+(defun message-talkative-question (ask question show &rest text)
+ "Call FUNCTION with argument QUESTION; optionally display TEXT... args.
+If SHOW is non-nil, the arguments TEXT... are displayed in a temp buffer.
+The following arguments may contain lists of values."
+ (if (and show
+ (setq text (message-flatten-list text)))
+ (save-window-excursion
+ (with-output-to-temp-buffer " *MESSAGE information message*"
+ (with-current-buffer " *MESSAGE information message*"
+ (fundamental-mode) ; for Emacs 20.4+
+ (mapc 'princ text)
+ (goto-char (point-min))))
+ (funcall ask question))
+ (funcall ask question)))
+
+(defun message-flatten-list (list)
+ "Return a new, flat list that contains all elements of LIST.
+
+\(message-flatten-list \\='(1 (2 3 (4 5 (6))) 7))
+=> (1 2 3 4 5 6 7)"
+ (cond ((consp list)
+ (apply 'append (mapcar 'message-flatten-list list)))
+ (list
+ (list list))))
+
+(defun message-generate-new-buffer-clone-locals (name &optional varstr)
+ "Create and return a buffer with name based on NAME using `generate-new-buffer'.
+Then clone the local variables and values from the old buffer to the
+new one, cloning only the locals having a substring matching the
+regexp VARSTR."
+ (let ((oldbuf (current-buffer)))
+ (with-current-buffer (generate-new-buffer name)
+ (message-clone-locals oldbuf varstr)
+ (current-buffer))))
+
+(defun message-clone-locals (buffer &optional varstr)
+ "Clone the local variables from BUFFER to the current buffer."
+ (let ((locals (with-current-buffer buffer (buffer-local-variables)))
+ (regexp "^gnus\\|^nn\\|^message\\|^sendmail\\|^smtp\\|^user-mail-address"))
+ (mapcar
+ (lambda (local)
+ (when (and (consp local)
+ (car local)
+ (string-match regexp (symbol-name (car local)))
+ (or (null varstr)
+ (string-match varstr (symbol-name (car local)))))
+ (ignore-errors
+ (set (make-local-variable (car local))
+ (cdr local)))))
+ locals)))
+
+;;;
+;;; MIME functions
+;;;
+
+(defun message-encode-message-body ()
+ (unless message-inhibit-body-encoding
+ (let ((mail-parse-charset (or mail-parse-charset
+ message-default-charset))
+ (case-fold-search t)
+ lines content-type-p)
+ (message-goto-body)
+ (save-restriction
+ (narrow-to-region (point) (point-max))
+ (let ((new (mml-generate-mime)))
+ (when new
+ (delete-region (point-min) (point-max))
+ (insert new)
+ (goto-char (point-min))
+ (if (eq (aref new 0) ?\n)
+ (delete-char 1)
+ (search-forward "\n\n")
+ (setq lines (buffer-substring (point-min) (1- (point))))
+ (delete-region (point-min) (point))))))
+ (save-restriction
+ (message-narrow-to-headers-or-head)
+ (message-remove-header "Mime-Version")
+ (goto-char (point-max))
+ (insert "MIME-Version: 1.0\n")
+ (when lines
+ (insert lines))
+ (setq content-type-p
+ (or mml-boundary
+ (re-search-backward "^Content-Type:" nil t))))
+ (save-restriction
+ (message-narrow-to-headers-or-head)
+ (message-remove-first-header "Content-Type")
+ (message-remove-first-header "Content-Transfer-Encoding"))
+ ;; We always make sure that the message has a Content-Type
+ ;; header. This is because some broken MTAs and MUAs get
+ ;; awfully confused when confronted with a message with a
+ ;; MIME-Version header and without a Content-Type header. For
+ ;; instance, Solaris' /usr/bin/mail.
+ (unless content-type-p
+ (goto-char (point-min))
+ ;; For unknown reason, MIME-Version doesn't exist.
+ (when (re-search-forward "^MIME-Version:" nil t)
+ (forward-line 1)
+ (insert "Content-Type: text/plain; charset=us-ascii\n"))))))
+
+(defun message-read-from-minibuffer (prompt &optional initial-contents)
+ "Read from the minibuffer while providing abbrev expansion."
+ (if (fboundp 'mail-abbrevs-setup)
+ (let ((minibuffer-setup-hook 'mail-abbrevs-setup)
+ (minibuffer-local-map message-minibuffer-local-map))
+ (gmm-flet ((mail-abbrev-in-expansion-header-p nil t))
+ (read-from-minibuffer prompt initial-contents)))
+ (let ((minibuffer-setup-hook 'mail-abbrev-minibuffer-setup-hook)
+ (minibuffer-local-map message-minibuffer-local-map))
+ (read-string prompt initial-contents))))
+
+(defun message-use-alternative-email-as-from ()
+ "Set From field of the outgoing message to the first matching
+address in `message-alternative-emails', looking at To, Cc and
+From headers in the original article."
+ (require 'mail-utils)
+ (let* ((fields '("To" "Cc" "From"))
+ (emails
+ (split-string
+ (mail-strip-quoted-names
+ (mapconcat 'message-fetch-reply-field fields ","))
+ "[ \f\t\n\r\v,]+"))
+ email)
+ (while emails
+ (if (string-match message-alternative-emails (car emails))
+ (setq email (car emails)
+ emails nil))
+ (pop emails))
+ (unless (or (not email) (equal email user-mail-address))
+ (message-remove-header "From")
+ (goto-char (point-max))
+ (insert "From: " (let ((user-mail-address email)) (message-make-from))
+ "\n"))))
+
+(defun message-options-get (symbol)
+ (cdr (assq symbol message-options)))
+
+(defun message-options-set (symbol value)
+ (let ((the-cons (assq symbol message-options)))
+ (if the-cons
+ (if value
+ (setcdr the-cons value)
+ (setq message-options (delq the-cons message-options)))
+ (and value
+ (push (cons symbol value) message-options))))
+ value)
+
+(defun message-options-set-recipient ()
+ (save-restriction
+ (message-narrow-to-headers-or-head)
+ (message-options-set 'message-sender
+ (mail-strip-quoted-names
+ (message-fetch-field "from")))
+ (message-options-set 'message-recipients
+ (mail-strip-quoted-names
+ (let ((to (message-fetch-field "to"))
+ (cc (message-fetch-field "cc"))
+ (bcc (message-fetch-field "bcc")))
+ (concat
+ (or to "")
+ (if (and to cc) ", ")
+ (or cc "")
+ (if (and (or to cc) bcc) ", ")
+ (or bcc "")))))))
+
+(defun message-hide-headers ()
+ "Hide headers based on the `message-hidden-headers' variable."
+ (let ((regexps (if (stringp message-hidden-headers)
+ (list message-hidden-headers)
+ message-hidden-headers))
+ (inhibit-point-motion-hooks t)
+ (inhibit-modification-hooks t)
+ (end-of-headers (point-min)))
+ (when regexps
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (if (not (message-hide-header-p regexps))
+ (message-next-header)
+ (let ((begin (point))
+ header header-len)
+ (message-next-header)
+ (setq header (buffer-substring begin (point))
+ header-len (- (point) begin))
+ (delete-region begin (point))
+ (goto-char end-of-headers)
+ (insert header)
+ (setq end-of-headers
+ (+ end-of-headers header-len))))))))
+ (narrow-to-region end-of-headers (point-max))))
+
+(defun message-hide-header-p (regexps)
+ (let ((result nil)
+ (reverse nil))
+ (when (eq (car regexps) 'not)
+ (setq reverse t)
+ (pop regexps))
+ (dolist (regexp regexps)
+ (setq result (or result (looking-at regexp))))
+ (if reverse
+ (not result)
+ result)))
+
+(declare-function ecomplete-add-item "ecomplete" (type key text))
+(declare-function ecomplete-save "ecomplete" ())
+
+(defun message-put-addresses-in-ecomplete ()
+ (require 'ecomplete)
+ (dolist (header '("to" "cc" "from" "reply-to"))
+ (let ((value (message-field-value header)))
+ (dolist (string (mail-header-parse-addresses value 'raw))
+ (setq string
+ (gnus-replace-in-string
+ (gnus-replace-in-string string "^ +\\| +$" "") "\n" ""))
+ (ecomplete-add-item 'mail (car (mail-header-parse-address string))
+ string))))
+ (ecomplete-save))
+
+(autoload 'ecomplete-display-matches "ecomplete")
+
+(defun message-display-abbrev (&optional choose)
+ "Display the next possible abbrev for the text before point."
+ (interactive (list t))
+ (when (and (memq (char-after (point-at-bol)) '(?C ?T ?\t ? ))
+ (message-point-in-header-p)
+ (save-excursion
+ (beginning-of-line)
+ (while (and (memq (char-after) '(?\t ? ))
+ (zerop (forward-line -1))))
+ (looking-at "To:\\|Cc:")))
+ (let* ((end (point))
+ (start (save-excursion
+ (and (re-search-backward "[\n\t ]" nil t)
+ (1+ (point)))))
+ (word (when start (buffer-substring start end)))
+ (match (when (and word
+ (not (zerop (length word))))
+ (ecomplete-display-matches 'mail word choose))))
+ (when (and choose match)
+ (delete-region start end)
+ (insert match)))))
+
+;; To send pre-formatted letters like the example below, you can use
+;; `message-send-form-letter':
+;; --8<---------------cut here---------------start------------->8---
+;; To: alice@invalid.invalid
+;; Subject: Verification of your contact information
+;; From: Contact verification <admin@foo.invalid>
+;; --text follows this line--
+;; Hi Alice,
+;; please verify that your contact information is still valid:
+;; Alice A, A avenue 11, 1111 A town, Austria
+;; ----------next form letter message follows this line----------
+;; To: bob@invalid.invalid
+;; Subject: Verification of your contact information
+;; From: Contact verification <admin@foo.invalid>
+;; --text follows this line--
+;; Hi Bob,
+;; please verify that your contact information is still valid:
+;; Bob, B street 22, 22222 Be town, Belgium
+;; ----------next form letter message follows this line----------
+;; To: charlie@invalid.invalid
+;; Subject: Verification of your contact information
+;; From: Contact verification <admin@foo.invalid>
+;; --text follows this line--
+;; Hi Charlie,
+;; please verify that your contact information is still valid:
+;; Charlie Chaplin, C plaza 33, 33333 C town, Chile
+;; --8<---------------cut here---------------end--------------->8---
+
+;; FIXME: What is the most common term (circular letter, form letter, serial
+;; letter, standard letter) for such kind of letter? See also
+;; <http://en.wikipedia.org/wiki/Form_letter>
+
+;; FIXME: Maybe extent message-mode's font-lock support to recognize
+;; `message-form-letter-separator', i.e. highlight each message like a single
+;; message.
+
+(defcustom message-form-letter-separator
+ "\n----------next form letter message follows this line----------\n"
+ "Separator for `message-send-form-letter'."
+ ;; :group 'message-form-letter
+ :group 'message-various
+ :version "23.1" ;; No Gnus
+ :type 'string)
+
+(defcustom message-send-form-letter-delay 1
+ "Delay in seconds when sending a message with `message-send-form-letter'.
+Only used when `message-send-form-letter' is called with non-nil
+argument `force'."
+ ;; :group 'message-form-letter
+ :group 'message-various
+ :version "23.1" ;; No Gnus
+ :type 'integer)
+
+(defun message-send-form-letter (&optional force)
+ "Sent all form letter messages from current buffer.
+Unless FORCE, prompt before sending.
+
+The messages are separated by `message-form-letter-separator'.
+Header and body are separated by `mail-header-separator'."
+ (interactive "P")
+ (let ((sent 0) (skipped 0)
+ start end text
+ buff
+ to done)
+ (goto-char (point-min))
+ (while (not done)
+ (setq start (point)
+ end (if (search-forward message-form-letter-separator nil t)
+ (- (point) (length message-form-letter-separator) -1)
+ (setq done t)
+ (point-max)))
+ (setq text
+ (buffer-substring-no-properties start end))
+ (setq buff (generate-new-buffer "*mail - form letter*"))
+ (with-current-buffer buff
+ (insert text)
+ (message-mode)
+ (setq to (message-fetch-field "To"))
+ (switch-to-buffer buff)
+ (when force
+ (sit-for message-send-form-letter-delay))
+ (if (or force
+ (y-or-n-p (gnus-format-message "Send message to `%s'? " to)))
+ (progn
+ (setq sent (1+ sent))
+ (message-send-and-exit))
+ (message "Message to `%s' skipped." to)
+ (setq skipped (1+ skipped)))
+ (when (buffer-live-p buff)
+ (kill-buffer buff))))
+ (message "%s message(s) sent, %s skipped." sent skipped)))
+
+(defun message-replace-header (header new-value &optional after force)
+ "Remove HEADER and insert the NEW-VALUE.
+If AFTER, insert after this header. If FORCE, insert new field
+even if NEW-VALUE is empty."
+ ;; Similar to `nnheader-replace-header' but for message buffers.
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (message-remove-header header))
+ (when (or force (> (length new-value) 0))
+ (if after
+ (message-position-on-field header after)
+ (message-position-on-field header))
+ (insert new-value))))
+
+(defcustom message-recipients-without-full-name
+ (list "ding@gnus.org"
+ "bugs@gnus.org"
+ "emacs-devel@gnu.org"
+ "emacs-pretest-bug@gnu.org"
+ "bug-gnu-emacs@gnu.org")
+ "Mail addresses that have no full name.
+Used in `message-simplify-recipients'."
+ ;; Maybe the addresses could be extracted from
+ ;; `gnus-parameter-to-list-alist'?
+ :type '(choice (const :tag "None" nil)
+ (repeat string))
+ :version "23.1" ;; No Gnus
+ :group 'message-headers)
+
+(defun message-simplify-recipients ()
+ (interactive)
+ (dolist (hdr '("Cc" "To"))
+ (message-replace-header
+ hdr
+ (mapconcat
+ (lambda (addrcomp)
+ (if (and message-recipients-without-full-name
+ (string-match
+ (regexp-opt message-recipients-without-full-name)
+ (cadr addrcomp)))
+ (cadr addrcomp)
+ (if (car addrcomp)
+ (message-make-from (car addrcomp) (cadr addrcomp))
+ (cadr addrcomp))))
+ (when (message-fetch-field hdr)
+ (mail-extract-address-components
+ (message-fetch-field hdr) t))
+ ", "))))
+
+;;; multipart/related and HTML support.
+
+(defun message-make-html-message-with-image-files (files)
+ "Make a message containing the current dired-marked image files."
+ (interactive (list (dired-get-marked-files nil current-prefix-arg)))
+ (message-mail)
+ (message-goto-body)
+ (insert "<#part type=text/html>\n\n")
+ (dolist (file files)
+ (insert (format "<img src=%S>\n\n" file)))
+ (message-toggle-image-thumbnails)
+ (message-goto-to))
+
+(defun message-toggle-image-thumbnails ()
+ "For any included image files, insert a thumbnail of that image."
+ (interactive)
+ (let ((overlays (overlays-in (point-min) (point-max)))
+ (displayed nil))
+ (while overlays
+ (let ((overlay (car overlays)))
+ (when (overlay-get overlay 'put-image)
+ (delete-overlay overlay)
+ (setq displayed t)))
+ (setq overlays (cdr overlays)))
+ (unless displayed
+ (save-excursion
+ (goto-char (point-min))
+ (while (re-search-forward "<img.*src=\"\\([^\"]+\\)" nil t)
+ (let ((file (match-string 1))
+ (edges (message-window-inside-pixel-edges
+ (get-buffer-window (current-buffer)))))
+ (put-image
+ (create-image
+ file 'imagemagick nil
+ :max-width (truncate
+ (* 0.7 (- (nth 2 edges) (nth 0 edges))))
+ :max-height (truncate
+ (* 0.5 (- (nth 3 edges) (nth 1 edges)))))
+ (match-beginning 0)
+ " ")))))))
+
+(when (featurep 'xemacs)
+ (require 'messagexmas)
+ (message-xmas-redefine))
+
+(provide 'message)
+
+(run-hooks 'message-load-hook)
+
+;; Local Variables:
+;; coding: utf-8
+;; End:
+
+;;; message.el ends here
projects / packages / blobdiff