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emacs/lisp/mail/rmail.el

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;;; rmail.el --- main code of "RMAIL" mail reader for Emacs.
;; Copyright (C) 1985,86,87,88,93,94,95,96,97 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: mail
;; 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 2, 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
;; Souped up by shane@mit-ajax based on ideas of rlk@athena.mit.edu
;; New features include attribute and keyword support, message
;; selection by dispatch table, summary by attributes and keywords,
;; expunging by dispatch table, sticky options for file commands.
;; Extended by Bob Weiner of Motorola
;; New features include: rmail and rmail-summary buffers remain
;; synchronized and key bindings basically operate the same way in both
;; buffers, summary by topic or by regular expression, rmail-reply-prefix
;; variable, and a bury rmail buffer (wipe) command.
;;
(require 'mail-utils)
;; For Emacs V18 compatibility
(and (not (fboundp 'buffer-disable-undo))
(fboundp 'buffer-flush-undo)
(defalias 'buffer-disable-undo 'buffer-flush-undo))
; These variables now declared in paths.el.
;(defvar rmail-spool-directory "/usr/spool/mail/"
; "This is the name of the directory used by the system mailer for\n\
;delivering new mail. Its name should end with a slash.")
;(defvar rmail-file-name
; (expand-file-name "~/RMAIL")
; "")
(defgroup rmail nil
"Mail reader for Emacs."
:group 'mail)
(defgroup rmail-retrieve nil
"Rmail retrieval options."
:prefix "rmail-"
:group 'rmail)
(defgroup rmail-files nil
"Rmail files."
:prefix "rmail-"
:group 'rmail)
(defgroup rmail-headers nil
"Rmail header options."
:prefix "rmail-"
:group 'rmail)
(defgroup rmail-reply nil
"Rmail reply options."
:prefix "rmail-"
:group 'rmail)
(defgroup rmail-summary nil
"Rmail summary options."
:prefix "rmail-"
:prefix "rmail-summary-"
:group 'rmail)
(defgroup rmail-output nil
"Output message to a file."
:prefix "rmail-output-"
:prefix "rmail-"
:group 'rmail)
(defvar rmail-movemail-program nil
"If non-nil, name of program for fetching new mail.")
(defcustom rmail-pop-password nil
"*Password to use when reading mail from a POP server, if required."
:type '(choice (string :tag "Password")
(const :tag "Not Required" nil))
:group 'rmail-retrieve)
(defcustom rmail-pop-password-required nil
"*Non-nil if a password is required when reading mail using POP."
:type 'boolean
:group 'rmail-retrieve)
(defcustom rmail-preserve-inbox nil
"*Non-nil if incoming mail should be left in the user's inbox,
rather than deleted, after it is retrieved."
:type 'boolean
:group 'rmail-retrieve)
;;;###autoload
(defcustom rmail-dont-reply-to-names nil "\
*A regexp specifying names to prune of reply to messages.
A value of nil means exclude your own name only."
:type '(choice regexp (const :tag "Your Name" nil))
:group 'rmail-reply)
;;;###autoload
(defvar rmail-default-dont-reply-to-names "info-" "\
A regular expression specifying part of the value of the default value of
the variable `rmail-dont-reply-to-names', for when the user does not set
`rmail-dont-reply-to-names' explicitly. (The other part of the default
value is the user's name.)
It is useful to set this variable in the site customization file.")
;;;###autoload
(defcustom rmail-ignored-headers "^via:\\|^mail-from:\\|^origin:\\|^references:\\|^status:\\|^received:\\|^x400-originator:\\|^x400-recipients:\\|^x400-received:\\|^x400-mts-identifier:\\|^x400-content-type:\\|^\\(resent-\\|\\)message-id:\\|^summary-line:\\|^resent-date:\\|^nntp-posting-host:\\|^path:\\|^x-char.*:\\|^x-face:\\|^x-mailer:\\|^delivered-to:\\|^lines:\\|^mime-version:\\|^content-transfer-encoding:"
"*Regexp to match header fields that Rmail should normally hide."
:type 'regexp
:group 'rmail-headers)
;;;###autoload
(defcustom rmail-displayed-headers nil
"*Regexp to match Header fields that Rmail should display.
If nil, display all header fields except those matched by
`rmail-ignored-headers'."
:type '(choice regexp (const :tag "All"))
:group 'rmail-headers)
;;;###autoload
(defcustom rmail-retry-ignored-headers nil "\
*Headers that should be stripped when retrying a failed message."
:type '(choice regexp (const nil :tag "None"))
:group 'rmail-headers)
;;;###autoload
(defcustom rmail-highlighted-headers "^From:\\|^Subject:" "\
*Regexp to match Header fields that Rmail should normally highlight.
A value of nil means don't highlight.
See also `rmail-highlight-face'."
:type 'regexp
:group 'rmail-headers)
;;;###autoload
(defcustom rmail-highlight-face nil "\
*Face used by Rmail for highlighting headers."
:type '(choice (const :tag "Default" nil)
face)
:group 'rmail-headers)
;;;###autoload
(defcustom rmail-delete-after-output nil "\
*Non-nil means automatically delete a message that is copied to a file."
:type 'boolean
:group 'rmail-files)
;;;###autoload
(defcustom rmail-primary-inbox-list nil "\
*List of files which are inboxes for user's primary mail file `~/RMAIL'.
`nil' means the default, which is (\"/usr/spool/mail/$USER\")
\(the name varies depending on the operating system,
and the value of the environment variable MAIL overrides it)."
;; Don't use backquote here, because we don't want to need it
;; at load time.
:type (list 'choice '(const :tag "Default" nil)
(list 'repeat ':value (or (getenv "MAIL")
(concat "/var/spool/mail/"
(getenv "USER")))
'file))
:group 'rmail-retrieve
:group 'rmail-files)
;;;###autoload
(defcustom rmail-mail-new-frame nil
"*Non-nil means Rmail makes a new frame for composing outgoing mail."
:type 'boolean
:group 'rmail-reply)
;;;###autoload
(defcustom rmail-secondary-file-directory "~/"
"*Directory for additional secondary Rmail files."
:type 'directory
:group 'rmail-files)
;;;###autoload
(defcustom rmail-secondary-file-regexp "\\.xmail$"
"*Regexp for which files are secondary Rmail files."
:type 'regexp
:group 'rmail-files)
;;;###autoload
(defvar rmail-mode-hook nil
"List of functions to call when Rmail is invoked.")
;;;###autoload
(defvar rmail-get-new-mail-hook nil
"List of functions to call when Rmail has retrieved new mail.")
;;;###autoload
(defvar rmail-show-message-hook nil
"List of functions to call when Rmail displays a message.")
;;;###autoload
(defvar rmail-delete-message-hook nil
"List of functions to call when Rmail deletes a message.
When the hooks are called, the message has been marked deleted but is
still the current message in the Rmail buffer.")
;; These may be altered by site-init.el to match the format of mmdf files
;; delimiting used on a given host (delim1 and delim2 from the config
;; files).
(defvar rmail-mmdf-delim1 "^\001\001\001\001\n"
"Regexp marking the start of an mmdf message")
(defvar rmail-mmdf-delim2 "^\001\001\001\001\n"
"Regexp marking the end of an mmdf message")
(defvar rmail-message-filter nil
"If non-nil, a filter function for new messages in RMAIL.
Called with region narrowed to the message, including headers,
before obeying `rmail-ignored-headers'.")
(defvar rmail-reply-prefix "Re: "
"String to prepend to Subject line when replying to a message.")
;; Some mailers use "Re(2):" or "Re^2:" or "Re: Re:" or "Re[2]:".
;; This pattern should catch all the common variants.
(defvar rmail-reply-regexp "\\`\\(Re\\(([0-9]+)\\|\\[[0-9]+\\]\\|\\^[0-9]+\\)?: *\\)*"
"Regexp to delete from Subject line before inserting `rmail-reply-prefix'.")
(defvar rmail-display-summary nil
"If non-nil, Rmail always displays the summary buffer.")
(defvar rmail-mode-map nil)
(defvar rmail-inbox-list nil)
(defvar rmail-keywords nil)
;; Message counters and markers. Deleted flags.
(defvar rmail-current-message nil)
(defvar rmail-total-messages nil)
(defvar rmail-message-vector nil)
(defvar rmail-deleted-vector nil)
(defvar rmail-msgref-vector nil
"In an Rmail buffer, a vector whose Nth element is a list (N).
When expunging renumbers messages, these lists are modified
by substituting the new message number into the existing list.")
(defvar rmail-overlay-list nil)
(defvar rmail-font-lock-keywords
(eval-when-compile
(let* ((cite-chars "[>|}]")
(cite-prefix "A-Za-z")
(cite-suffix (concat cite-prefix "0-9_.@-`'\"")))
(list '("^\\(From\\|Sender\\):" . font-lock-function-name-face)
'("^Reply-To:.*$" . font-lock-function-name-face)
'("^Subject:" . font-lock-comment-face)
'("^\\(To\\|Apparently-To\\|Cc\\|Newsgroups\\):"
. font-lock-keyword-face)
;; Use MATCH-ANCHORED to effectively anchor the regexp left side.
`(,cite-chars
(,(concat "\\=[ \t]*"
"\\(\\([" cite-prefix "]+[" cite-suffix "]*\\)?"
"\\(" cite-chars "[ \t]*\\)\\)+"
"\\(.*\\)")
(beginning-of-line) (end-of-line)
(2 font-lock-reference-face nil t)
(4 font-lock-comment-face nil t)))
'("^\\(X-[A-Za-z0-9-]+\\|In-reply-to\\|Date\\):.*$"
. font-lock-string-face))))
"Additional expressions to highlight in Rmail mode.")
;; These are used by autoloaded rmail-summary.
(defvar rmail-summary-buffer nil)
(defvar rmail-summary-vector nil)
;; `Sticky' default variables.
;; Last individual label specified to a or k.
(defvar rmail-last-label nil)
;; Last set of values specified to C-M-n, C-M-p, C-M-s or C-M-l.
(defvar rmail-last-multi-labels nil)
(defvar rmail-last-regexp nil)
(defcustom rmail-default-file "~/xmail"
"*Default file name for \\[rmail-output]."
:type 'file
:group 'rmail-files)
(defcustom rmail-default-rmail-file "~/XMAIL"
"*Default file name for \\[rmail-output-to-rmail-file]."
:type 'file
:group 'rmail-files)
;;; Regexp matching the delimiter of messages in UNIX mail format
;;; (UNIX From lines), minus the initial ^. Note that if you change
;;; this expression, you must change the code in rmail-nuke-pinhead-header
;;; that knows the exact ordering of the \\( \\) subexpressions.
(defvar rmail-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"))
nil)
;; Perform BODY in the summary buffer
;; in such a way that its cursor is properly updated in its own window.
(defmacro rmail-select-summary (&rest body)
(` (let ((total rmail-total-messages))
(if (rmail-summary-displayed)
(let ((window (selected-window)))
(save-excursion
(unwind-protect
(progn
(pop-to-buffer rmail-summary-buffer)
;; rmail-total-messages is a buffer-local var
;; in the rmail buffer.
;; This way we make it available for the body
;; even tho the rmail buffer is not current.
(let ((rmail-total-messages total))
(,@ body)))
(select-window window))))
(save-excursion
(set-buffer rmail-summary-buffer)
(let ((rmail-total-messages total))
(,@ body))))
(rmail-maybe-display-summary))))
(defvar rmail-view-buffer nil
"Buffer which holds RMAIL message for displaying.")
;; Mule and MIME related variables.
;;;###autoload
(defvar rmail-file-coding-system nil
"Coding system used in RMAIL file.
This is set to nil by default.")
;;;###autoload
(defcustom rmail-enable-mime nil
"*If non-nil, RMAIL uses MIME feature.
If the value is t, RMAIL automatically shows MIME decoded message.
If the value is neither t nor nil, RMAIL does not show MIME decoded message
until a user explicitly require it."
:type '(choice (const :tag "on" t)
(const :tag "off" nil)
(sexp :tag "When Asked" :format "%t\n" ask))
:group 'rmail)
;;;###autoload
(defvar rmail-show-mime-function nil
"Function to show MIME decoded message of RMAIL file.")
;;;###autoload
(defvar rmail-mime-feature 'rmail-mime
"Feature to provide for using MIME feature in RMAIL.
When starting rmail, this feature is requrired if rmail-enable-mime
is non-nil.")
;;;; *** Rmail Mode ***
;;;###autoload
(defun rmail (&optional file-name-arg)
"Read and edit incoming mail.
Moves messages into file named by `rmail-file-name' (a babyl format file)
and edits that file in RMAIL Mode.
Type \\[describe-mode] once editing that file, for a list of RMAIL commands.
May be called with file name as argument; then performs rmail editing on
that file, but does not copy any new mail into the file.
Interactively, if you supply a prefix argument, then you
have a chance to specify a file name with the minibuffer.
If `rmail-display-summary' is non-nil, make a summary for this RMAIL file."
(interactive (if current-prefix-arg
(list (read-file-name "Run rmail on RMAIL file: "))))
(if rmail-enable-mime
(condition-case err
(require rmail-mime-feature)
(error (message "Feature `%s' not provided" rmail-mime-feature)
(sit-for 1)
(setq rmail-enable-mime nil))))
(let* ((file-name (expand-file-name (or file-name-arg rmail-file-name)))
(existed (get-file-buffer file-name))
(coding-system-for-read 'no-conversion)
run-mail-hook)
;; Like find-file, but in the case where a buffer existed
;; and the file was reverted, recompute the message-data.
(if (and existed (not (verify-visited-file-modtime existed)))
(progn
;; Don't be confused by apparent local-variables spec
;; in the last message in the RMAIL file.
(let ((enable-local-variables nil))
(find-file file-name))
(if (and (verify-visited-file-modtime existed)
(eq major-mode 'rmail-mode))
(progn (rmail-forget-messages)
(rmail-set-message-counters))))
(let ((enable-local-variables nil))
(find-file file-name)))
(if (eq major-mode 'rmail-edit-mode)
(error "Exit Rmail Edit mode before getting new mail."))
(if (and existed (> (buffer-size) 0))
;; Buffer not new and not empty; ensure in proper mode, but that's all.
(or (eq major-mode 'rmail-mode)
(progn (rmail-mode-2)
(setq run-mail-hook t)))
(setq run-mail-hook t)
(rmail-mode-2)
;; Convert all or part to Babyl file if possible.
(rmail-convert-file)
(goto-char (point-max))
(if (null rmail-inbox-list)
(progn
(rmail-set-message-counters)
(rmail-show-message))))
(or (and (null file-name-arg)
(rmail-get-new-mail))
(rmail-show-message (rmail-first-unseen-message)))
(if rmail-display-summary (rmail-summary))
(rmail-construct-io-menu)
(if run-mail-hook
(run-hooks 'rmail-mode-hook))))
;; Given the value of MAILPATH, return a list of inbox file names.
;; This is turned off because it is not clear that the user wants
;; all these inboxes to feed into the primary rmail file.
; (defun rmail-convert-mailpath (string)
; (let (idx list)
; (while (setq idx (string-match "[%:]" string))
; (let ((this (substring string 0 idx)))
; (setq string (substring string (1+ idx)))
; (setq list (cons (if (string-match "%" this)
; (substring this 0 (string-match "%" this))
; this)
; list))))
; list))
; I have checked that adding "-*- rmail -*-" to the BABYL OPTIONS line
; will not cause emacs 18.55 problems.
(defun rmail-convert-file ()
(let (convert)
(widen)
(goto-char (point-min))
;; If file doesn't start like a Babyl file,
;; convert it to one, by adding a header and converting each message.
(cond ((looking-at "BABYL OPTIONS:"))
((looking-at "Version: 5\n")
;; Losing babyl file made by old version of Rmail.
;; Just fix the babyl file header; don't make a new one,
;; so we don't lose the Labels: file attribute, etc.
(let ((buffer-read-only nil))
(insert "BABYL OPTIONS: -*- rmail -*-\n")))
((equal (point-min) (point-max))
;; Empty RMAIL file. Just insert the header.
(rmail-insert-rmail-file-header))
(t
;; Non-empty file in non-RMAIL format. Add header and convert.
(setq convert t)
(rmail-insert-rmail-file-header)))
(if (and (not convert)
(not rmail-enable-mime)
rmail-file-coding-system)
;; Decode coding system of BABYL part at the head only. The
;; remaining non BABYL parts are decoded in
;; rmail-convert-to-babyl-format if necessary.
(rmail-decode-babyl-format))
;; If file was not a Babyl file or if there are
;; Unix format messages added at the end,
;; convert file as necessary.
(if (or convert
(save-excursion
(goto-char (point-max))
(search-backward "\n\^_")
(forward-char 2)
(looking-at "\n*From ")))
(let ((buffer-read-only nil))
(message "Converting to Babyl format...")
;; If file needs conversion, convert it all,
;; except for the BABYL header.
;; (rmail-convert-to-babyl-format would delete the header.)
(goto-char (point-min))
(search-forward "\n\^_" nil t)
(narrow-to-region (point) (point-max))
(rmail-convert-to-babyl-format)
(message "Converting to Babyl format...done")))))
;;; I have checked that adding "-*- rmail -*-" to the BABYL OPTIONS line
;;; will not cause emacs 18.55 problems.
(defun rmail-insert-rmail-file-header ()
(let ((buffer-read-only nil))
(insert "BABYL OPTIONS: -*- rmail -*-
Version: 5
Labels:
Note: This is the header of an rmail file.
Note: If you are seeing it in rmail,
Note: it means the file has no messages in it.\n\^_")))
;; Decode Babyl formated part at the head of current buffer by
;; rmail-file-coding-system.
(defun rmail-decode-babyl-format ()
(let ((modifiedp (buffer-modified-p))
(buffer-read-only nil)
pos)
(goto-char (point-min))
(search-forward "\n\^_" nil t) ; Skip BYBYL header.
(setq pos (point))
(message "Decoding messages...")
(while (search-forward "\n\^_" nil t)
(decode-coding-region pos (point) rmail-file-coding-system)
(setq pos (point)))
(message "Decoding messages...done")
(set-buffer-file-coding-system rmail-file-coding-system)
(set-buffer-modified-p modifiedp)))
(if rmail-mode-map
nil
(setq rmail-mode-map (make-keymap))
(suppress-keymap rmail-mode-map)
(define-key rmail-mode-map "a" 'rmail-add-label)
(define-key rmail-mode-map "b" 'rmail-bury)
(define-key rmail-mode-map "c" 'rmail-continue)
(define-key rmail-mode-map "d" 'rmail-delete-forward)
(define-key rmail-mode-map "\C-d" 'rmail-delete-backward)
(define-key rmail-mode-map "e" 'rmail-edit-current-message)
(define-key rmail-mode-map "f" 'rmail-forward)
(define-key rmail-mode-map "g" 'rmail-get-new-mail)
(define-key rmail-mode-map "h" 'rmail-summary)
(define-key rmail-mode-map "i" 'rmail-input)
(define-key rmail-mode-map "j" 'rmail-show-message)
(define-key rmail-mode-map "k" 'rmail-kill-label)
(define-key rmail-mode-map "l" 'rmail-summary-by-labels)
(define-key rmail-mode-map "\e\C-h" 'rmail-summary)
(define-key rmail-mode-map "\e\C-l" 'rmail-summary-by-labels)
(define-key rmail-mode-map "\e\C-r" 'rmail-summary-by-recipients)
(define-key rmail-mode-map "\e\C-s" 'rmail-summary-by-regexp)
(define-key rmail-mode-map "\e\C-t" 'rmail-summary-by-topic)
(define-key rmail-mode-map "m" 'rmail-mail)
(define-key rmail-mode-map "\em" 'rmail-retry-failure)
(define-key rmail-mode-map "n" 'rmail-next-undeleted-message)
(define-key rmail-mode-map "\en" 'rmail-next-message)
(define-key rmail-mode-map "\e\C-n" 'rmail-next-labeled-message)
(define-key rmail-mode-map "o" 'rmail-output-to-rmail-file)
(define-key rmail-mode-map "\C-o" 'rmail-output)
(define-key rmail-mode-map "p" 'rmail-previous-undeleted-message)
(define-key rmail-mode-map "\ep" 'rmail-previous-message)
(define-key rmail-mode-map "\e\C-p" 'rmail-previous-labeled-message)
(define-key rmail-mode-map "q" 'rmail-quit)
(define-key rmail-mode-map "r" 'rmail-reply)
;; I find I can't live without the default M-r command -- rms.
;; (define-key rmail-mode-map "\er" 'rmail-search-backwards)
(define-key rmail-mode-map "s" 'rmail-expunge-and-save)
(define-key rmail-mode-map "\es" 'rmail-search)
(define-key rmail-mode-map "t" 'rmail-toggle-header)
(define-key rmail-mode-map "u" 'rmail-undelete-previous-message)
(define-key rmail-mode-map "w" 'rmail-output-body-to-file)
(define-key rmail-mode-map "x" 'rmail-expunge)
(define-key rmail-mode-map "." 'rmail-beginning-of-message)
(define-key rmail-mode-map "<" 'rmail-first-message)
(define-key rmail-mode-map ">" 'rmail-last-message)
(define-key rmail-mode-map " " 'scroll-up)
(define-key rmail-mode-map "\177" 'scroll-down)
(define-key rmail-mode-map "?" 'describe-mode)
(define-key rmail-mode-map "\C-c\C-s\C-d" 'rmail-sort-by-date)
(define-key rmail-mode-map "\C-c\C-s\C-s" 'rmail-sort-by-subject)
(define-key rmail-mode-map "\C-c\C-s\C-a" 'rmail-sort-by-author)
(define-key rmail-mode-map "\C-c\C-s\C-r" 'rmail-sort-by-recipient)
(define-key rmail-mode-map "\C-c\C-s\C-c" 'rmail-sort-by-correspondent)
(define-key rmail-mode-map "\C-c\C-s\C-l" 'rmail-sort-by-lines)
(define-key rmail-mode-map "\C-c\C-s\C-k" 'rmail-sort-by-keywords)
(define-key rmail-mode-map "\C-c\C-n" 'rmail-next-same-subject)
(define-key rmail-mode-map "\C-c\C-p" 'rmail-previous-same-subject)
)
(define-key rmail-mode-map [menu-bar] (make-sparse-keymap))
(define-key rmail-mode-map [menu-bar classify]
(cons "Classify" (make-sparse-keymap "Classify")))
(define-key rmail-mode-map [menu-bar classify input-menu]
nil)
(define-key rmail-mode-map [menu-bar classify output-menu]
nil)
(define-key rmail-mode-map [menu-bar classify output-body]
'("Output body to file..." . rmail-output-body-to-file))
(define-key rmail-mode-map [menu-bar classify output-inbox]
'("Output (inbox)..." . rmail-output))
(define-key rmail-mode-map [menu-bar classify output]
'("Output (Rmail)..." . rmail-output-to-rmail-file))
(define-key rmail-mode-map [menu-bar classify kill-label]
'("Kill Label..." . rmail-kill-label))
(define-key rmail-mode-map [menu-bar classify add-label]
'("Add Label..." . rmail-add-label))
(define-key rmail-mode-map [menu-bar summary]
(cons "Summary" (make-sparse-keymap "Summary")))
(define-key rmail-mode-map [menu-bar summary senders]
'("By Senders..." . rmail-summary-by-senders))
(define-key rmail-mode-map [menu-bar summary labels]
'("By Labels..." . rmail-summary-by-labels))
(define-key rmail-mode-map [menu-bar summary recipients]
'("By Recipients..." . rmail-summary-by-recipients))
(define-key rmail-mode-map [menu-bar summary topic]
'("By Topic..." . rmail-summary-by-topic))
(define-key rmail-mode-map [menu-bar summary regexp]
'("By Regexp..." . rmail-summary-by-regexp))
(define-key rmail-mode-map [menu-bar summary all]
'("All" . rmail-summary))
(define-key rmail-mode-map [menu-bar mail]
(cons "Mail" (make-sparse-keymap "Mail")))
(define-key rmail-mode-map [menu-bar mail rmail-get-new-mail]
'("Get New Mail" . rmail-get-new-mail))
(define-key rmail-mode-map [menu-bar mail lambda]
'("----"))
(define-key rmail-mode-map [menu-bar mail continue]
'("Continue" . rmail-continue))
(define-key rmail-mode-map [menu-bar mail resend]
'("Re-send..." . rmail-resend))
(define-key rmail-mode-map [menu-bar mail forward]
'("Forward" . rmail-forward))
(define-key rmail-mode-map [menu-bar mail retry]
'("Retry" . rmail-retry-failure))
(define-key rmail-mode-map [menu-bar mail reply]
'("Reply" . rmail-reply))
(define-key rmail-mode-map [menu-bar mail mail]
'("Mail" . rmail-mail))
(define-key rmail-mode-map [menu-bar delete]
(cons "Delete" (make-sparse-keymap "Delete")))
(define-key rmail-mode-map [menu-bar delete expunge/save]
'("Expunge/Save" . rmail-expunge-and-save))
(define-key rmail-mode-map [menu-bar delete expunge]
'("Expunge" . rmail-expunge))
(define-key rmail-mode-map [menu-bar delete undelete]
'("Undelete" . rmail-undelete-previous-message))
(define-key rmail-mode-map [menu-bar delete delete]
'("Delete" . rmail-delete-forward))
(define-key rmail-mode-map [menu-bar move]
(cons "Move" (make-sparse-keymap "Move")))
(define-key rmail-mode-map [menu-bar move search-back]
'("Search Back..." . rmail-search-backwards))
(define-key rmail-mode-map [menu-bar move search]
'("Search..." . rmail-search))
(define-key rmail-mode-map [menu-bar move previous]
'("Previous Nondeleted" . rmail-previous-undeleted-message))
(define-key rmail-mode-map [menu-bar move next]
'("Next Nondeleted" . rmail-next-undeleted-message))
(define-key rmail-mode-map [menu-bar move last]
'("Last" . rmail-last-message))
(define-key rmail-mode-map [menu-bar move first]
'("First" . rmail-first-message))
(define-key rmail-mode-map [menu-bar move previous]
'("Previous" . rmail-previous-message))
(define-key rmail-mode-map [menu-bar move next]
'("Next" . rmail-next-message))
;; Rmail mode is suitable only for specially formatted data.
(put 'rmail-mode 'mode-class 'special)
(defun rmail-mode-kill-summary ()
(if rmail-summary-buffer (kill-buffer rmail-summary-buffer)))
;;;###autoload
(defun rmail-mode ()
"Rmail Mode is used by \\<rmail-mode-map>\\[rmail] for editing Rmail files.
All normal editing commands are turned off.
Instead, these commands are available:
\\[rmail-beginning-of-message] Move point to front of this message (same as \\[beginning-of-buffer]).
\\[scroll-up] Scroll to next screen of this message.
\\[scroll-down] Scroll to previous screen of this message.
\\[rmail-next-undeleted-message] Move to Next non-deleted message.
\\[rmail-previous-undeleted-message] Move to Previous non-deleted message.
\\[rmail-next-message] Move to Next message whether deleted or not.
\\[rmail-previous-message] Move to Previous message whether deleted or not.
\\[rmail-first-message] Move to the first message in Rmail file.
\\[rmail-last-message] Move to the last message in Rmail file.
\\[rmail-show-message] Jump to message specified by numeric position in file.
\\[rmail-search] Search for string and show message it is found in.
\\[rmail-delete-forward] Delete this message, move to next nondeleted.
\\[rmail-delete-backward] Delete this message, move to previous nondeleted.
\\[rmail-undelete-previous-message] Undelete message. Tries current message, then earlier messages
till a deleted message is found.
\\[rmail-edit-current-message] Edit the current message. \\[rmail-cease-edit] to return to Rmail.
\\[rmail-expunge] Expunge deleted messages.
\\[rmail-expunge-and-save] Expunge and save the file.
\\[rmail-quit] Quit Rmail: expunge, save, then switch to another buffer.
\\[save-buffer] Save without expunging.
\\[rmail-get-new-mail] Move new mail from system spool directory into this file.
\\[rmail-mail] Mail a message (same as \\[mail-other-window]).
\\[rmail-continue] Continue composing outgoing message started before.
\\[rmail-reply] Reply to this message. Like \\[rmail-mail] but initializes some fields.
\\[rmail-retry-failure] Send this message again. Used on a mailer failure message.
\\[rmail-forward] Forward this message to another user.
\\[rmail-output-to-rmail-file] Output this message to an Rmail file (append it).
\\[rmail-output] Output this message to a Unix-format mail file (append it).
\\[rmail-input] Input Rmail file. Run Rmail on that file.
\\[rmail-add-label] Add label to message. It will be displayed in the mode line.
\\[rmail-kill-label] Kill label. Remove a label from current message.
\\[rmail-next-labeled-message] Move to Next message with specified label
(label defaults to last one specified).
Standard labels: filed, unseen, answered, forwarded, deleted.
Any other label is present only if you add it with \\[rmail-add-label].
\\[rmail-previous-labeled-message] Move to Previous message with specified label
\\[rmail-summary] Show headers buffer, with a one line summary of each message.
\\[rmail-summary-by-labels] Summarize only messages with particular label(s).
\\[rmail-summary-by-recipients] Summarize only messages with particular recipient(s).
\\[rmail-summary-by-regexp] Summarize only messages with particular regexp(s).
\\[rmail-summary-by-topic] Summarize only messages with subject line regexp(s).
\\[rmail-toggle-header] Toggle display of complete header."
(interactive)
(rmail-mode-2)
(rmail-set-message-counters)
(rmail-show-message rmail-total-messages)
(run-hooks 'rmail-mode-hook))
(defun rmail-mode-2 ()
(kill-all-local-variables)
(rmail-mode-1)
(rmail-variables))
(defun rmail-mode-1 ()
(setq major-mode 'rmail-mode)
(setq mode-name "RMAIL")
(setq buffer-read-only t)
;; No need to auto save RMAIL files in normal circumstances
;; because they contain no info except attribute changes
;; and deletion of messages.
;; The one exception is when messages are copied into an Rmail mode buffer.
;; rmail-output-to-rmail-file enables auto save when you do that.
(setq buffer-auto-save-file-name nil)
(if (boundp 'mode-line-modified)
(setq mode-line-modified "--- ")
(setq mode-line-format
(cons "--- " (cdr (default-value 'mode-line-format)))))
(use-local-map rmail-mode-map)
(set-syntax-table text-mode-syntax-table)
(setq local-abbrev-table text-mode-abbrev-table))
(defun rmail-variables ()
(make-local-variable 'revert-buffer-function)
(setq revert-buffer-function 'rmail-revert)
(make-local-variable 'font-lock-defaults)
(setq font-lock-defaults
'(rmail-font-lock-keywords t nil nil nil
(font-lock-maximum-size . nil)
(font-lock-fontify-buffer-function . rmail-fontify-buffer-function)
(font-lock-unfontify-buffer-function . rmail-unfontify-buffer-function)
(font-lock-inhibit-thing-lock . (lazy-lock-mode fast-lock-mode))))
(make-local-variable 'rmail-last-label)
(make-local-variable 'rmail-last-regexp)
(make-local-variable 'rmail-deleted-vector)
(make-local-variable 'rmail-buffer)
(setq rmail-buffer (current-buffer))
(make-local-variable 'rmail-view-buffer)
(setq rmail-view-buffer rmail-buffer)
(make-local-variable 'rmail-summary-buffer)
(make-local-variable 'rmail-summary-vector)
(make-local-variable 'rmail-current-message)
(make-local-variable 'rmail-total-messages)
(make-local-variable 'require-final-newline)
(setq require-final-newline nil)
(make-local-variable 'rmail-overlay-list)
(setq rmail-overlay-list nil)
(make-local-variable 'version-control)
(setq version-control 'never)
(make-local-variable 'kill-buffer-hook)
(add-hook 'kill-buffer-hook 'rmail-mode-kill-summary)
(make-local-variable 'file-precious-flag)
(setq file-precious-flag t)
(make-local-variable 'rmail-message-vector)
(make-local-variable 'rmail-msgref-vector)
(make-local-variable 'rmail-inbox-list)
(setq rmail-inbox-list (rmail-parse-file-inboxes))
;; Provide default set of inboxes for primary mail file ~/RMAIL.
(and (null rmail-inbox-list)
(or (equal buffer-file-name (expand-file-name rmail-file-name))
(equal buffer-file-truename
(abbreviate-file-name (file-truename rmail-file-name))))
(setq rmail-inbox-list
(or rmail-primary-inbox-list
(list (or (getenv "MAIL")
(concat rmail-spool-directory
(user-login-name)))))))
(make-local-variable 'rmail-keywords)
;; this gets generated as needed
(setq rmail-keywords nil))
;; Handle M-x revert-buffer done in an rmail-mode buffer.
(defun rmail-revert (arg noconfirm)
(let ((revert-buffer-function (default-value 'revert-buffer-function)))
;; Call our caller again, but this time it does the default thing.
(if (revert-buffer arg noconfirm)
;; If the user said "yes", and we changed something,
;; reparse the messages.
;; But, we don't have to convert coding system because backup
;; files should have been saved by Emacs' internal format.
(let ((rmail-file-coding-system nil)
(enable-multibyte-characters nil))
(rmail-convert-file)
(goto-char (point-max))
(rmail-mode)))))
;; Return a list of files from this buffer's Mail: option.
;; Does not assume that messages have been parsed.
;; Just returns nil if buffer does not look like Babyl format.
(defun rmail-parse-file-inboxes ()
(save-excursion
(save-restriction
(widen)
(goto-char 1)
(cond ((looking-at "BABYL OPTIONS:")
(search-forward "\n\^_" nil 'move)
(narrow-to-region 1 (point))
(goto-char 1)
(if (search-forward "\nMail:" nil t)
(progn
(narrow-to-region (point) (progn (end-of-line) (point)))
(goto-char (point-min))
(mail-parse-comma-list))))))))
(defun rmail-expunge-and-save ()
"Expunge and save RMAIL file."
(interactive)
(rmail-expunge)
(save-buffer)
(if (rmail-summary-exists)
(rmail-select-summary (set-buffer-modified-p nil))))
(defun rmail-quit ()
"Quit out of RMAIL."
(interactive)
(rmail-expunge-and-save)
;; Don't switch to the summary buffer even if it was recently visible.
(if rmail-summary-buffer
(progn
(replace-buffer-in-windows rmail-summary-buffer)
(bury-buffer rmail-summary-buffer)))
(let ((obuf (current-buffer)))
(replace-buffer-in-windows obuf)
(bury-buffer obuf)))
(defun rmail-bury ()
"Bury current Rmail buffer and its summary buffer."
(interactive)
;; This let var was called rmail-buffer, but that interfered
;; with the buffer-local var used in summary buffers.
(let ((buffer-to-bury (current-buffer)))
(if (rmail-summary-exists)
(let (window)
(while (setq window (get-buffer-window rmail-summary-buffer))
(set-window-buffer window (other-buffer rmail-summary-buffer)))
(bury-buffer rmail-summary-buffer)))
(switch-to-buffer (other-buffer (current-buffer)))
(bury-buffer buffer-to-bury)))
(defun rmail-duplicate-message ()
"Create a duplicated copy of the current message.
The duplicate copy goes into the Rmail file just after the
original copy."
(interactive)
(widen)
(let ((buffer-read-only nil)
(number rmail-current-message)
(string (buffer-substring (rmail-msgbeg rmail-current-message)
(rmail-msgend rmail-current-message))))
(goto-char (rmail-msgend rmail-current-message))
(insert string)
(rmail-forget-messages)
(rmail-show-message number)
(message "Message duplicated")))
;;;###autoload
(defun rmail-input (filename)
"Run Rmail on file FILENAME."
(interactive "FRun rmail on RMAIL file: ")
(rmail filename))
;; This used to scan subdirectories recursively, but someone pointed out
;; that if the user wants that, person can put all the files in one dir.
;; And the recursive scan was slow. So I took it out.
;; rms, Sep 1996.
(defun rmail-find-all-files (start)
"Return list of file in dir START that match `rmail-secondary-file-regexp'."
(if (file-accessible-directory-p start)
;; Don't sort here.
(let* ((case-fold-search t)
(files (directory-files start t rmail-secondary-file-regexp)))
;; Sort here instead of in directory-files
;; because this list is usually much shorter.
(sort files 'string<))))
(defun rmail-list-to-menu (menu-name l action &optional full-name)
(let ((menu (make-sparse-keymap menu-name)))
(mapcar
(function (lambda (item)
(let (command)
(if (consp item)
(progn
(setq command
(rmail-list-to-menu (car item) (cdr item)
action
(if full-name
(concat full-name "/"
(car item))
(car item))))
(setq name (car item)))
(progn
(setq name item)
(setq command
(list 'lambda () '(interactive)
(list action
(expand-file-name
(if full-name
(concat full-name "/" item)
item)
rmail-secondary-file-directory))))))
(define-key menu (vector (intern name))
(cons name command)))))
(reverse l))
menu))
;; This command is always "disabled" when it appears in a menu.
(put 'rmail-disable-menu 'menu-enable ''nil)
(defun rmail-construct-io-menu ()
(let ((files (rmail-find-all-files rmail-secondary-file-directory)))
(if files
(progn
(define-key rmail-mode-map [menu-bar classify input-menu]
(cons "Input Rmail File"
(rmail-list-to-menu "Input Rmail File"
files
'rmail-input)))
(define-key rmail-mode-map [menu-bar classify output-menu]
(cons "Output Rmail File"
(rmail-list-to-menu "Output Rmail File"
files
'rmail-output-to-rmail-file))))
(define-key rmail-mode-map [menu-bar classify input-menu]
'("Input Rmail File" . rmail-disable-menu))
(define-key rmail-mode-map [menu-bar classify output-menu]
'("Output Rmail File" . rmail-disable-menu)))))
;;;; *** Rmail input ***
;; RLK feature not added in this version:
;; argument specifies inbox file or files in various ways.
(defun rmail-get-new-mail (&optional file-name)
"Move any new mail from this RMAIL file's inbox files.
The inbox files can be specified with the file's Mail: option. The
variable `rmail-primary-inbox-list' specifies the inboxes for your
primary RMAIL file if it has no Mail: option. By default, this is
your /usr/spool/mail/$USER.
You can also specify the file to get new mail from. In this case, the
file of new mail is not changed or deleted. Noninteractively, you can
pass the inbox file name as an argument. Interactively, a prefix
argument causes us to read a file name and use that file as the inbox.
If the variable `rmail-preserve-inbox' is non-nil, new mail will
always be left in inbox files rather than deleted.
This function runs `rmail-get-new-mail-hook' before saving the updated file.
It returns t if it got any new messages."
(interactive
(list (if current-prefix-arg
(read-file-name "Get new mail from file: "))))
(run-hooks 'rmail-before-get-new-mail-hook)
;; If the disk file has been changed from under us,
;; revert to it before we get new mail.
(or (verify-visited-file-modtime (current-buffer))
(find-file (buffer-file-name)))
(rmail-maybe-set-message-counters)
(widen)
;; Get rid of all undo records for this buffer.
(or (eq buffer-undo-list t)
(setq buffer-undo-list nil))
(let ((all-files (if file-name (list file-name)
rmail-inbox-list)))
(unwind-protect
(let (found)
(while all-files
(let ((opoint (point))
(new-messages 0)
(delete-files ())
;; If buffer has not changed yet, and has not been saved yet,
;; don't replace the old backup file now.
(make-backup-files (and make-backup-files (buffer-modified-p)))
(buffer-read-only nil)
;; Don't make undo records for what we do in getting mail.
(buffer-undo-list t)
success
;; Files to insert this time around.
files
;; Last names of those files.
file-last-names)
;; Pull files off all-files onto files
;; as long as there is no name conflict.
;; A conflict happens when two inbox file names
;; have the same last component.
(while (and all-files
(not (member (file-name-nondirectory (car all-files))
file-last-names)))
(setq files (cons (car all-files) files)
file-last-names
(cons (file-name-nondirectory (car all-files)) files))
(setq all-files (cdr all-files)))
;; Put them back in their original order.
(setq files (nreverse files))
(goto-char (point-max))
(skip-chars-backward " \t\n") ; just in case of brain damage
(delete-region (point) (point-max)) ; caused by require-final-newline
(save-excursion
(save-restriction
(narrow-to-region (point) (point))
;; Read in the contents of the inbox files,
;; renaming them as necessary,
;; and adding to the list of files to delete eventually.
(if file-name
(rmail-insert-inbox-text files nil)
(setq delete-files (rmail-insert-inbox-text files t)))
;; Scan the new text and convert each message to babyl format.
(goto-char (point-min))
(unwind-protect
(save-excursion
(setq new-messages (rmail-convert-to-babyl-format)
success t))
;; If we could not convert the file's inboxes,
;; rename the files we tried to read
;; so we won't over and over again.
(if (and (not file-name) (not success))
(let ((delfiles delete-files)
(count 0))
;; Try to delete the garbage just inserted.
(delete-region (point-min) (point-max))
(while delfiles
(while (file-exists-p (format "RMAILOSE.%d" count))
(setq count (1+ count)))
(rename-file (car delfiles)
(format "RMAILOSE.%d" count))
(setq delfiles (cdr delfiles))))))
(or (zerop new-messages)
(let (success)
(widen)
(search-backward "\n\^_" nil t)
(narrow-to-region (point) (point-max))
(goto-char (1+ (point-min)))
(rmail-count-new-messages)
(run-hooks 'rmail-get-new-mail-hook)
(save-buffer)))
;; Delete the old files, now that babyl file is saved.
(while delete-files
(condition-case ()
;; First, try deleting.
(condition-case ()
(delete-file (car delete-files))
(file-error
;; If we can't delete it, truncate it.
(write-region (point) (point) (car delete-files))))
(file-error nil))
(setq delete-files (cdr delete-files)))))
(if (= new-messages 0)
(progn (goto-char opoint)
(if (or file-name rmail-inbox-list)
(message "(No new mail has arrived)")))
(if (rmail-summary-exists)
(rmail-select-summary
(rmail-update-summary)))
(message "%d new message%s read"
new-messages (if (= 1 new-messages) "" "s"))
;; Move to the first new message
;; unless we have other unseen messages before it.
(rmail-show-message (rmail-first-unseen-message))
(run-hooks 'rmail-after-get-new-mail-hook)
(setq found t))))
found)
;; Don't leave the buffer screwed up if we get a disk-full error.
(rmail-show-message))))
(defun rmail-insert-inbox-text (files renamep)
;; Detect a locked file now, so that we avoid moving mail
;; out of the real inbox file. (That could scare people.)
(or (memq (file-locked-p buffer-file-name) '(nil t))
(error "RMAIL file %s is locked"
(file-name-nondirectory buffer-file-name)))
(let (file tofile delete-files movemail popmail)
(while files
(setq file (file-truename
(expand-file-name (substitute-in-file-name (car files))))
tofile (expand-file-name
;; Generate name to move to from inbox name,
;; in case of multiple inboxes that need moving.
(concat ".newmail-" (file-name-nondirectory file))
;; Use the directory of this rmail file
;; because it's a nuisance to use the homedir
;; if that is on a full disk and this rmail
;; file isn't.
(file-name-directory
(expand-file-name buffer-file-name))))
;; Always use movemail to rename the file,
;; since there can be mailboxes in various directories.
(setq movemail t)
;;; ;; If getting from mail spool directory,
;;; ;; use movemail to move rather than just renaming,
;;; ;; so as to interlock with the mailer.
;;; (setq movemail (string= file
;;; (file-truename
;;; (concat rmail-spool-directory
;;; (file-name-nondirectory file)))))
(setq popmail (string-match "^po:" (file-name-nondirectory file)))
(if popmail (setq file (file-name-nondirectory file)
renamep t))
(if movemail
(progn
;; On some systems, /usr/spool/mail/foo is a directory
;; and the actual inbox is /usr/spool/mail/foo/foo.
(if (file-directory-p file)
(setq file (expand-file-name (user-login-name)
file)))))
(cond (popmail
(if (and rmail-pop-password-required (not rmail-pop-password))
(setq rmail-pop-password
(rmail-read-passwd
(format "Password for %s: "
(substring file (+ popmail 3))))))
(if (eq system-type 'windows-nt)
;; cannot have "po:" in file name
(setq tofile
(expand-file-name
(concat ".newmail-pop-" (substring file (+ popmail 3)))
(file-name-directory
(expand-file-name buffer-file-name)))))
(message "Getting mail from post office ..."))
((and (file-exists-p tofile)
(/= 0 (nth 7 (file-attributes tofile))))
(message "Getting mail from %s..." tofile))
((and (file-exists-p file)
(/= 0 (nth 7 (file-attributes file))))
(message "Getting mail from %s..." file)))
;; Set TOFILE if have not already done so, and
;; rename or copy the file FILE to TOFILE if and as appropriate.
(cond ((not renamep)
(setq tofile file))
((or (file-exists-p tofile) (and (not popmail)
(not (file-exists-p file))))
nil)
((and (not movemail) (not popmail))
;; Try copying. If that fails (perhaps no space) and
;; we're allowed to blow away the inbox, rename instead.
(if rmail-preserve-inbox
(copy-file file tofile nil)
(condition-case nil
(copy-file file tofile nil)
(error
;; Third arg is t so we can replace existing file TOFILE.
(rename-file file tofile t))))
;; Make the real inbox file empty.
;; Leaving it deleted could cause lossage
;; because mailers often won't create the file.
(if (not rmail-preserve-inbox)
(condition-case ()
(write-region (point) (point) file)
(file-error nil))))
(t
(let ((errors nil))
(unwind-protect
(save-excursion
(setq errors (generate-new-buffer " *rmail loss*"))
(buffer-disable-undo errors)
(let ((args
(append
(list (or rmail-movemail-program
(expand-file-name "movemail"
exec-directory))
nil errors nil)
(if rmail-preserve-inbox
(list "-p")
nil)
(list file tofile)
(if rmail-pop-password
(list rmail-pop-password)
nil))))
(apply 'call-process args))
(if (not (buffer-modified-p errors))
;; No output => movemail won
nil
(set-buffer errors)
(subst-char-in-region (point-min) (point-max)
?\n ?\ )
(goto-char (point-max))
(skip-chars-backward " \t")
(delete-region (point) (point-max))
(goto-char (point-min))
(if (looking-at "movemail: ")
(delete-region (point-min) (match-end 0)))
(beep t)
(message "movemail: %s"
(buffer-substring (point-min)
(point-max)))
(sit-for 3)
nil))
(if errors (kill-buffer errors))))))
;; At this point, TOFILE contains the name to read:
;; Either the alternate name (if we renamed)
;; or the actual inbox (if not renaming).
(if (file-exists-p tofile)
(let ((coding-system-for-read 'no-conversion)
size)
(goto-char (point-max))
(setq size (nth 1 (insert-file-contents tofile)))
(goto-char (point-max))
(or (= (preceding-char) ?\n)
(zerop size)
(insert ?\n))
(if (not (and rmail-preserve-inbox (string= file tofile)))
(setq delete-files (cons tofile delete-files)))))
(message "")
(setq files (cdr files)))
delete-files))
(defun rmail-read-passwd (prompt &optional default)
"Read a password, echoing `.' for each character typed.
End with RET, LFD, or ESC. DEL or C-h rubs out. C-u kills line.
Optional DEFAULT is password to start with."
(let ((pass (if default default ""))
(c 0)
(echo-keystrokes 0)
(cursor-in-echo-area t))
(while (progn (message "%s%s"
prompt
(make-string (length pass) ?.))
(setq c (read-char))
(and (/= c ?\r) (/= c ?\n) (/= c ?\e)))
(if (= c ?\C-u)
(setq pass "")
(if (and (/= c ?\b) (/= c ?\177))
(setq pass (concat pass (char-to-string c)))
(if (> (length pass) 0)
(setq pass (substring pass 0 -1))))))
(message "")
(message nil)
pass))
;; the rmail-break-forwarded-messages feature is not implemented
(defun rmail-convert-to-babyl-format ()
(let ((count 0) start
(case-fold-search nil)
(invalid-input-resync
(function (lambda ()
(message "Invalid Babyl format in inbox!")
(sit-for 3)
;; Try to get back in sync with a real message.
(if (re-search-forward
(concat rmail-mmdf-delim1 "\\|^From") nil t)
(beginning-of-line)
(goto-char (point-max)))))))
(goto-char (point-min))
(save-restriction
(while (not (eobp))
(setq start (point))
(cond ((looking-at "BABYL OPTIONS:");Babyl header
(if (search-forward "\n\^_" nil t)
;; If we find the proper terminator, delete through there.
(delete-region (point-min) (point))
(funcall invalid-input-resync)
(delete-region (point-min) (point))))
;; Babyl format message
((looking-at "\^L")
(or (search-forward "\n\^_" nil t)
(funcall invalid-input-resync))
(setq count (1+ count))
;; Make sure there is no extra white space after the ^_
;; at the end of the message.
;; Narrowing will make sure that whatever follows the junk
;; will be treated properly.
(delete-region (point)
(save-excursion
(skip-chars-forward " \t\n")
(point)))
(or rmail-enable-mime
(not rmail-file-coding-system)
(decode-coding-region start (point)
rmail-file-coding-system))
(narrow-to-region (point) (point-max)))
;;*** MMDF format
((let ((case-fold-search t))
(looking-at rmail-mmdf-delim1))
(let ((case-fold-search t))
(replace-match "\^L\n0, unseen,,\n*** EOOH ***\n")
(re-search-forward rmail-mmdf-delim2 nil t)
(replace-match "\^_"))
(save-excursion
(save-restriction
(narrow-to-region start (1- (point)))
(goto-char (point-min))
(while (search-forward "\n\^_" nil t); single char "\^_"
(replace-match "\n^_")))); 2 chars: "^" and "_"
(or rmail-enable-mime
(not enable-multibyte-characters)
(decode-coding-region start (point) 'undecided))
(narrow-to-region (point) (point-max))
(setq count (1+ count)))
;;*** Mail format
((looking-at "^From ")
(insert "\^L\n0, unseen,,\n*** EOOH ***\n")
(rmail-nuke-pinhead-header)
;; If this message has a Content-Length field,
;; skip to the end of the contents.
(let* ((header-end (save-excursion
(and (re-search-forward "\n\n" nil t)
(1- (point)))))
(case-fold-search t)
(size
;; Get the numeric value from the Content-Length field.
(save-excursion
;; Back up to end of prev line,
;; in case the Content-Length field comes first.
(forward-char -1)
(and (search-forward "\ncontent-length: "
header-end t)
(let ((beg (point))
(eol (progn (end-of-line) (point))))
(string-to-int (buffer-substring beg eol)))))))
(and size
(if (and (natnump size)
(<= (+ header-end size) (point-max))
;; Make sure this would put us at a position
;; that we could continue from.
(save-excursion
(goto-char (+ header-end size))
(skip-chars-forward "\n")
(or (eobp)
(and (looking-at "BABYL OPTIONS:")
(search-forward "\n\^_" nil t))
(and (looking-at "\^L")
(search-forward "\n\^_" nil t))
(let ((case-fold-search t))
(looking-at rmail-mmdf-delim1))
(looking-at "From "))))
(goto-char (+ header-end size))
(message "Ignoring invalid Content-Length field")
(sit-for 1 0 t))))
(if (re-search-forward
(concat "^[\^_]?\\("
rmail-unix-mail-delimiter
"\\|"
rmail-mmdf-delim1 "\\|"
"^BABYL OPTIONS:\\|"
"\^L\n[01],\\)") nil t)
(goto-char (match-beginning 1))
(goto-char (point-max)))
(setq count (1+ count))
(save-excursion
(save-restriction
(narrow-to-region start (point))
(goto-char (point-min))
(while (search-forward "\n\^_" nil t); single char
(replace-match "\n^_")))); 2 chars: "^" and "_"
(insert ?\^_)
(or rmail-enable-mime
(not enable-multibyte-characters)
(decode-coding-region start (point) 'undecided))
(narrow-to-region (point) (point-max)))
;;
;; This kludge is because some versions of sendmail.el
;; insert an extra newline at the beginning that shouldn't
;; be there. sendmail.el has been fixed, but old versions
;; may still be in use. -- rms, 7 May 1993.
((eolp) (delete-char 1))
(t (error "Cannot convert to babyl format")))))
count))
;; Delete the "From ..." line, creating various other headers with
;; information from it if they don't already exist. Now puts the
;; original line into a mail-from: header line for debugging and for
;; use by the rmail-output function.
(defun rmail-nuke-pinhead-header ()
(save-excursion
(save-restriction
(let ((start (point))
(end (progn
(condition-case ()
(search-forward "\n\n")
(error
(goto-char (point-max))
(insert "\n\n")))
(point)))
has-from has-date)
(narrow-to-region start end)
(let ((case-fold-search t))
(goto-char start)
(setq has-from (search-forward "\nFrom:" nil t))
(goto-char start)
(setq has-date (and (search-forward "\nDate:" nil t) (point)))
(goto-char start))
(let ((case-fold-search nil))
(if (re-search-forward (concat "^" rmail-unix-mail-delimiter) nil t)
(replace-match
(concat
"Mail-from: \\&"
;; Keep and reformat the date if we don't
;; have a Date: field.
(if has-date
""
(concat
"Date: \\2, \\4 \\3 \\9 \\5 "
;; The timezone could be matched by group 7 or group 10.
;; If neither of them matched, assume EST, since only
;; Easterners would be so sloppy.
;; It's a shame the substitution can't use "\\10".
(cond
((/= (match-beginning 7) (match-end 7)) "\\7")
((/= (match-beginning 10) (match-end 10))
(buffer-substring (match-beginning 10)
(match-end 10)))
(t "EST"))
"\n"))
;; Keep and reformat the sender if we don't
;; have a From: field.
(if has-from
""
"From: \\1\n"))
t)))))))
;;;; *** Rmail Message Formatting and Header Manipulation ***
(defun rmail-reformat-message (beg end)
(goto-char beg)
(forward-line 1)
(if (/= (following-char) ?0)
(error "Bad format in RMAIL file."))
(let ((buffer-read-only nil)
(delta (- (buffer-size) end)))
(delete-char 1)
(insert ?1)
(forward-line 1)
(let ((case-fold-search t))
(while (looking-at "Summary-line:\\|Mail-From:")
(forward-line 1)))
(if (looking-at "\\*\\*\\* EOOH \\*\\*\\*\n")
(delete-region (point)
(progn (forward-line 1) (point))))
(let ((str (buffer-substring (point)
(save-excursion (search-forward "\n\n" end 'move)
(point)))))
(insert str "*** EOOH ***\n")
(narrow-to-region (point) (- (buffer-size) delta)))
(goto-char (point-min))
(if rmail-message-filter (funcall rmail-message-filter))
(if (or rmail-displayed-headers rmail-ignored-headers)
(rmail-clear-headers))))
(defun rmail-clear-headers (&optional ignored-headers)
"Delete all header fields that Rmail should not show.
If the optional argument IGNORED-HEADERS is non-nil,
delete all header fields whose names match that regexp.
Otherwise, if `rmail-displayed-headers' is non-nil,
delete all header fields *except* those whose names match that regexp.
Otherwise, delete all header fields whose names match `rmail-ignored-headers'."
(if (search-forward "\n\n" nil t)
(let ((case-fold-search t)
(buffer-read-only nil))
(if (and rmail-displayed-headers (null ignored-headers))
(save-restriction
(narrow-to-region (point-min) (point))
(let (lim)
(goto-char (point-min))
(while (save-excursion
(re-search-forward "\n[^ \t]")
(and (not (eobp))
(setq lim (1- (point)))))
(if (save-excursion
(re-search-forward rmail-displayed-headers lim t))
(goto-char lim)
(delete-region (point) lim))))
(goto-char (point-min)))
(or ignored-headers (setq ignored-headers rmail-ignored-headers))
(save-restriction
(narrow-to-region (point-min) (point))
(while (progn
(goto-char (point-min))
(re-search-forward ignored-headers nil t))
(beginning-of-line)
(delete-region (point)
(progn (re-search-forward "\n[^ \t]")
(1- (point))))))))))
(defun rmail-msg-is-pruned ()
(rmail-maybe-set-message-counters)
(save-restriction
(save-excursion
(narrow-to-region (rmail-msgbeg rmail-current-message) (point-max))
(goto-char (point-min))
(forward-line 1)
(= (following-char) ?1))))
(defun rmail-toggle-header (&optional arg)
"Show original message header if pruned header currently shown, or vice versa.
With argument ARG, show the message header pruned if ARG is greater than zero;
otherwise, show it in full."
(interactive "P")
(let* ((buffer-read-only nil)
(pruned (rmail-msg-is-pruned))
(prune (if arg
(> (prefix-numeric-value arg) 0)
(not pruned))))
(if (eq pruned prune)
t
(rmail-maybe-set-message-counters)
(narrow-to-region (rmail-msgbeg rmail-current-message) (point-max))
(if pruned
(progn (goto-char (point-min))
(forward-line 1)
(delete-char 1)
(insert ?0)
(forward-line 1)
(let ((case-fold-search t))
(while (looking-at "Summary-Line:\\|Mail-From:")
(forward-line 1)))
(insert "*** EOOH ***\n")
(forward-char -1)
(search-forward "\n*** EOOH ***\n")
(forward-line -1)
(let ((temp (point)))
(and (search-forward "\n\n" nil t)
(delete-region temp (point))))
(goto-char (point-min))
(search-forward "\n*** EOOH ***\n")
(narrow-to-region (point) (point-max)))
(rmail-reformat-message (point-min) (point-max)))
(rmail-highlight-headers))))
;;;; *** Rmail Attributes and Keywords ***
;; Make a string describing current message's attributes and keywords
;; and set it up as the name of a minor mode
;; so it will appear in the mode line.
(defun rmail-display-labels ()
(let ((blurb "") (beg (point-min-marker)) (end (point-max-marker)))
(save-excursion
(unwind-protect
(progn
(widen)
(goto-char (rmail-msgbeg rmail-current-message))
(forward-line 1)
(if (looking-at "[01],")
(progn
(narrow-to-region (point) (progn (end-of-line) (point)))
;; Truly valid BABYL format requires a space before each
;; attribute or keyword name. Put them in if missing.
(let (buffer-read-only)
(goto-char (point-min))
(while (search-forward "," nil t)
(or (looking-at "[ ,]") (eobp)
(insert " "))))
(goto-char (point-max))
(if (search-backward ",," nil 'move)
(progn
(if (> (point) (1+ (point-min)))
(setq blurb (buffer-substring (+ 1 (point-min)) (point))))
(if (> (- (point-max) (point)) 2)
(setq blurb
(concat blurb
";"
(buffer-substring (+ (point) 3)
(1- (point-max)))))))))))
;; Note: we don't use save-restriction because that does not work right
;; if changes are made outside the saved restriction
;; before that restriction is restored.
(narrow-to-region beg end)
(set-marker beg nil)
(set-marker end nil)))
(while (string-match " +," blurb)
(setq blurb (concat (substring blurb 0 (match-beginning 0)) ","
(substring blurb (match-end 0)))))
(while (string-match ", +" blurb)
(setq blurb (concat (substring blurb 0 (match-beginning 0)) ","
(substring blurb (match-end 0)))))
(setq mode-line-process
(format " %d/%d%s"
rmail-current-message rmail-total-messages blurb))))
;; Turn an attribute of a message on or off according to STATE.
;; ATTR is the name of the attribute, as a string.
;; MSGNUM is message number to change; nil means current message.
(defun rmail-set-attribute (attr state &optional msgnum)
(let ((omax (point-max-marker))
(omin (point-min-marker))
(buffer-read-only nil))
(or msgnum (setq msgnum rmail-current-message))
(if (> msgnum 0)
(unwind-protect
(save-excursion
(widen)
(goto-char (+ 3 (rmail-msgbeg msgnum)))
(let ((curstate
(not
(null (search-backward (concat ", " attr ",")
(prog1 (point) (end-of-line)) t)))))
(or (eq curstate (not (not state)))
(if curstate
(delete-region (point) (1- (match-end 0)))
(beginning-of-line)
(forward-char 2)
(insert " " attr ","))))
(if (string= attr "deleted")
(rmail-set-message-deleted-p msgnum state)))
;; Note: we don't use save-restriction because that does not work right
;; if changes are made outside the saved restriction
;; before that restriction is restored.
(narrow-to-region omin omax)
(set-marker omin nil)
(set-marker omax nil)
(if (= msgnum rmail-current-message)
(rmail-display-labels))))))
;; Return t if the attributes/keywords line of msg number MSG
;; contains a match for the regexp LABELS.
(defun rmail-message-labels-p (msg labels)
(save-excursion
(save-restriction
(widen)
(goto-char (rmail-msgbeg msg))
(forward-char 3)
(re-search-backward labels (prog1 (point) (end-of-line)) t))))
;;;; *** Rmail Message Selection And Support ***
(defun rmail-msgend (n)
(marker-position (aref rmail-message-vector (1+ n))))
(defun rmail-msgbeg (n)
(marker-position (aref rmail-message-vector n)))
(defun rmail-widen-to-current-msgbeg (function)
"Call FUNCTION with point at start of internal data of current message.
Assumes that bounds were previously narrowed to display the message in Rmail.
The bounds are widened enough to move point where desired, then narrowed
again afterward.
FUNCTION may not change the visible text of the message, but it may
change the invisible header text."
(save-excursion
(let ((obeg (- (point-max) (point-min))))
(unwind-protect
(progn
(narrow-to-region (rmail-msgbeg rmail-current-message)
(point-max))
(goto-char (point-min))
(funcall function))
;; Note: we don't use save-restriction because that does not work right
;; if changes are made outside the saved restriction
;; before that restriction is restored.
;; Here we assume that changes made by FUNCTION
;; occur before the visible region of the message.
(narrow-to-region (- (point-max) obeg) (point-max))))))
(defun rmail-forget-messages ()
(unwind-protect
(if (vectorp rmail-message-vector)
(let* ((i 0)
(v rmail-message-vector)
(n (length v)))
(while (< i n)
(move-marker (aref v i) nil)
(setq i (1+ i)))))
(setq rmail-message-vector nil)
(setq rmail-msgref-vector nil)
(setq rmail-deleted-vector nil)))
(defun rmail-maybe-set-message-counters ()
(if (not (and rmail-deleted-vector
rmail-message-vector
rmail-current-message
rmail-total-messages))
(rmail-set-message-counters)))
(defun rmail-count-new-messages (&optional nomsg)
(let* ((case-fold-search nil)
(total-messages 0)
(messages-head nil)
(deleted-head nil))
(or nomsg (message "Counting new messages..."))
(goto-char (point-max))
;; Put at the end of messages-head
;; the entry for message N+1, which marks
;; the end of message N. (N = number of messages).
(search-backward "\n\^_")
(forward-char 1)
(setq messages-head (list (point-marker)))
(rmail-set-message-counters-counter (point-min))
(setq rmail-current-message (1+ rmail-total-messages))
(setq rmail-total-messages
(+ rmail-total-messages total-messages))
(setq rmail-message-vector
(vconcat rmail-message-vector (cdr messages-head)))
(aset rmail-message-vector
rmail-current-message (car messages-head))
(setq rmail-deleted-vector
(concat rmail-deleted-vector deleted-head))
(setq rmail-summary-vector
(vconcat rmail-summary-vector (make-vector total-messages nil)))
(setq rmail-msgref-vector
(vconcat rmail-msgref-vector (make-vector total-messages nil)))
;; Fill in the new elements of rmail-msgref-vector.
(let ((i (1+ (- rmail-total-messages total-messages))))
(while (<= i rmail-total-messages)
(aset rmail-msgref-vector i (list i))
(setq i (1+ i))))
(goto-char (point-min))
(or nomsg (message "Counting new messages...done (%d)" total-messages))))
(defun rmail-set-message-counters ()
(rmail-forget-messages)
(save-excursion
(save-restriction
(widen)
(let* ((point-save (point))
(total-messages 0)
(messages-after-point)
(case-fold-search nil)
(messages-head nil)
(deleted-head nil))
(message "Counting messages...")
(goto-char (point-max))
;; Put at the end of messages-head
;; the entry for message N+1, which marks
;; the end of message N. (N = number of messages).
(search-backward "\n\^_" nil t)
(if (/= (point) (point-max)) (forward-char 1))
(setq messages-head (list (point-marker)))
(rmail-set-message-counters-counter (min (point) point-save))
(setq messages-after-point total-messages)
(rmail-set-message-counters-counter)
(setq rmail-total-messages total-messages)
(setq rmail-current-message
(min total-messages
(max 1 (- total-messages messages-after-point))))
(setq rmail-message-vector
(apply 'vector (cons (point-min-marker) messages-head))
rmail-deleted-vector (concat "D" deleted-head)
rmail-summary-vector (make-vector rmail-total-messages nil)
rmail-msgref-vector (make-vector (1+ rmail-total-messages) nil))
(let ((i 0))
(while (<= i rmail-total-messages)
(aset rmail-msgref-vector i (list i))
(setq i (1+ i))))
(message "Counting messages...done")))))
(defun rmail-set-message-counters-counter (&optional stop)
(while (search-backward "\n\^_\^L\n" stop t)
(forward-char 1)
(setq messages-head (cons (point-marker) messages-head))
(save-excursion
(setq deleted-head
(cons (if (search-backward ", deleted,"
(prog1 (point)
(forward-line 2))
t)
?D ?\ )
deleted-head)))
(if (zerop (% (setq total-messages (1+ total-messages)) 20))
(message "Counting messages...%d" total-messages))))
(defun rmail-beginning-of-message ()
"Show current message starting from the beginning."
(interactive)
(rmail-show-message rmail-current-message))
(defun rmail-show-message (&optional n no-summary)
"Show message number N (prefix argument), counting from start of file.
If summary buffer is currently displayed, update current message there also."
(interactive "p")
(or (eq major-mode 'rmail-mode)
(switch-to-buffer rmail-buffer))
(rmail-maybe-set-message-counters)
(widen)
(if (zerop rmail-total-messages)
(progn (narrow-to-region (point-min) (1- (point-max)))
(goto-char (point-min))
(setq mode-line-process nil))
(let (blurb)
(if (not n)
(setq n rmail-current-message)
(cond ((<= n 0)
(setq n 1
rmail-current-message 1
blurb "No previous message"))
((> n rmail-total-messages)
(setq n rmail-total-messages
rmail-current-message rmail-total-messages
blurb "No following message"))
(t
(setq rmail-current-message n))))
(let ((beg (rmail-msgbeg n)))
(goto-char beg)
(forward-line 1)
;; Clear the "unseen" attribute when we show a message.
(rmail-set-attribute "unseen" nil)
;; Reformat the header, or else find the reformatted header.
(let ((end (rmail-msgend n)))
(if (= (following-char) ?0)
(rmail-reformat-message beg end)
(search-forward "\n*** EOOH ***\n" end t)
(narrow-to-region (point) end)))
(goto-char (point-min))
(rmail-display-labels)
(if (eq rmail-enable-mime t)
(funcall rmail-show-mime-function)
(setq rmail-view-buffer rmail-buffer)
)
(rmail-highlight-headers)
(if transient-mark-mode (deactivate-mark))
(run-hooks 'rmail-show-message-hook)
;; If there is a summary buffer, try to move to this message
;; in that buffer. But don't complain if this message
;; is not mentioned in the summary.
;; Don't do this at all if we were called on behalf
;; of cursor motion in the summary buffer.
(and (rmail-summary-exists) (not no-summary)
(let ((curr-msg rmail-current-message))
(rmail-select-summary
(rmail-summary-goto-msg curr-msg t t))))
(if blurb
(message blurb))))))
;; Find all occurrences of certain fields, and highlight them.
(defun rmail-highlight-headers ()
;; Do this only if the system supports faces.
(if (and (fboundp 'internal-find-face)
rmail-highlighted-headers)
(save-excursion
(search-forward "\n\n" nil 'move)
(save-restriction
(narrow-to-region (point-min) (point))
(let ((case-fold-search t)
(inhibit-read-only t)
;; Highlight with boldface if that is available.
;; Otherwise use the `highlight' face.
(face (or rmail-highlight-face
(if (face-differs-from-default-p 'bold)
'bold 'highlight)))
;; List of overlays to reuse.
(overlays rmail-overlay-list))
(goto-char (point-min))
(while (re-search-forward rmail-highlighted-headers nil t)
(skip-chars-forward " \t")
(let ((beg (point))
overlay)
(while (progn (forward-line 1)
(looking-at "[ \t]")))
;; Back up over newline, then trailing spaces or tabs
(forward-char -1)
(while (member (preceding-char) '(? ?\t))
(forward-char -1))
(if overlays
;; Reuse an overlay we already have.
(progn
(setq overlay (car overlays)
overlays (cdr overlays))
(overlay-put overlay 'face face)
(move-overlay overlay beg (point)))
;; Make a new overlay and add it to
;; rmail-overlay-list.
(setq overlay (make-overlay beg (point)))
(overlay-put overlay 'face face)
(setq rmail-overlay-list
(cons overlay rmail-overlay-list))))))))))
(defun rmail-next-message (n)
"Show following message whether deleted or not.
With prefix arg N, moves forward N messages, or backward if N is negative."
(interactive "p")
(rmail-maybe-set-message-counters)
(rmail-show-message (+ rmail-current-message n)))
(defun rmail-previous-message (n)
"Show previous message whether deleted or not.
With prefix arg N, moves backward N messages, or forward if N is negative."
(interactive "p")
(rmail-next-message (- n)))
(defun rmail-next-undeleted-message (n)
"Show following non-deleted message.
With prefix arg N, moves forward N non-deleted messages,
or backward if N is negative.
Returns t if a new message is being shown, nil otherwise."
(interactive "p")
(rmail-maybe-set-message-counters)
(let ((lastwin rmail-current-message)
(current rmail-current-message))
(while (and (> n 0) (< current rmail-total-messages))
(setq current (1+ current))
(if (not (rmail-message-deleted-p current))
(setq lastwin current n (1- n))))
(while (and (< n 0) (> current 1))
(setq current (1- current))
(if (not (rmail-message-deleted-p current))
(setq lastwin current n (1+ n))))
(if (/= lastwin rmail-current-message)
(progn (rmail-show-message lastwin)
t)
(if (< n 0)
(message "No previous nondeleted message"))
(if (> n 0)
(message "No following nondeleted message"))
nil)))
(defun rmail-previous-undeleted-message (n)
"Show previous non-deleted message.
With prefix argument N, moves backward N non-deleted messages,
or forward if N is negative."
(interactive "p")
(rmail-next-undeleted-message (- n)))
(defun rmail-first-message ()
"Show first message in file."
(interactive)
(rmail-maybe-set-message-counters)
(rmail-show-message 1))
(defun rmail-last-message ()
"Show last message in file."
(interactive)
(rmail-maybe-set-message-counters)
(rmail-show-message rmail-total-messages))
(defun rmail-what-message ()
(let ((where (point))
(low 1)
(high rmail-total-messages)
(mid (/ rmail-total-messages 2)))
(while (> (- high low) 1)
(if (>= where (rmail-msgbeg mid))
(setq low mid)
(setq high mid))
(setq mid (+ low (/ (- high low) 2))))
(if (>= where (rmail-msgbeg high)) high low)))
(defun rmail-message-recipients-p (msg recipients &optional primary-only)
(save-restriction
(goto-char (rmail-msgbeg msg))
(search-forward "\n*** EOOH ***\n")
(narrow-to-region (point) (progn (search-forward "\n\n") (point)))
(or (string-match recipients (or (mail-fetch-field "To") ""))
(string-match recipients (or (mail-fetch-field "From") ""))
(if (not primary-only)
(string-match recipients (or (mail-fetch-field "Cc") ""))))))
(defun rmail-message-regexp-p (msg regexp)
"Return t, if for message number MSG, regexp REGEXP matches in the header."
(goto-char (rmail-msgbeg msg))
(let ((end
(save-excursion
(search-forward "*** EOOH ***" (point-max)) (point))))
(re-search-forward regexp end t)))
(defvar rmail-search-last-regexp nil)
(defun rmail-search (regexp &optional n)
"Show message containing next match for REGEXP (but not the current msg).
Prefix argument gives repeat count; negative argument means search
backwards (through earlier messages).
Interactively, empty argument means use same regexp used last time."
(interactive
(let* ((reversep (< (prefix-numeric-value current-prefix-arg) 0))
(prompt
(concat (if reversep "Reverse " "") "Rmail search (regexp): "))
regexp)
(if rmail-search-last-regexp
(setq prompt (concat prompt
"(default "
rmail-search-last-regexp
") ")))
(setq regexp (read-string prompt))
(cond ((not (equal regexp ""))
(setq rmail-search-last-regexp regexp))
((not rmail-search-last-regexp)
(error "No previous Rmail search string")))
(list rmail-search-last-regexp
(prefix-numeric-value current-prefix-arg))))
(or n (setq n 1))
(message "%sRmail search for %s..."
(if (< n 0) "Reverse " "")
regexp)
(rmail-maybe-set-message-counters)
(let ((omin (point-min))
(omax (point-max))
(opoint (point))
win
(reversep (< n 0))
(msg rmail-current-message))
(unwind-protect
(progn
(widen)
(while (/= n 0)
;; Check messages one by one, advancing message number up or down
;; but searching forward through each message.
(if reversep
(while (and (null win) (> msg 1))
(goto-char (rmail-msgbeg (setq msg (1- msg))))
(setq win (re-search-forward
regexp (rmail-msgend msg) t)))
(while (and (null win) (< msg rmail-total-messages))
(goto-char (rmail-msgbeg (setq msg (1+ msg))))
(setq win (re-search-forward regexp (rmail-msgend msg) t))))
(setq n (+ n (if reversep 1 -1)))))
(if win
(progn
;; If this is a reverse search and we found a message,
;; search backward thru this message to position point.
(if reversep
(progn
(goto-char (rmail-msgend msg))
(re-search-backward
regexp (rmail-msgbeg msg) t)))
(setq win (point))
(rmail-show-message msg)
(message "%sRmail search for %s...done"
(if reversep "Reverse " "")
regexp)
(goto-char win))
(goto-char opoint)
(narrow-to-region omin omax)
(ding)
(message "Search failed: %s" regexp)))))
(defun rmail-search-backwards (regexp &optional n)
"Show message containing previous match for REGEXP.
Prefix argument gives repeat count; negative argument means search
forward (through later messages).
Interactively, empty argument means use same regexp used last time."
(interactive
(let* ((reversep (>= (prefix-numeric-value current-prefix-arg) 0))
(prompt
(concat (if reversep "Reverse " "") "Rmail search (regexp): "))
regexp)
(if rmail-search-last-regexp
(setq prompt (concat prompt
"(default "
rmail-search-last-regexp
") ")))
(setq regexp (read-string prompt))
(cond ((not (equal regexp ""))
(setq rmail-search-last-regexp regexp))
((not rmail-search-last-regexp)
(error "No previous Rmail search string")))
(list rmail-search-last-regexp
(prefix-numeric-value current-prefix-arg))))
(rmail-search regexp (- (or n 1))))
;; Show the first message which has the `unseen' attribute.
(defun rmail-first-unseen-message ()
(rmail-maybe-set-message-counters)
(let ((current 1)
found)
(save-restriction
(widen)
(while (and (not found) (<= current rmail-total-messages))
(if (rmail-message-labels-p current ", ?\\(unseen\\),")
(setq found current))
(setq current (1+ current))))
;; Let the caller show the message.
;; (if found
;; (rmail-show-message found))
found))
(defun rmail-next-same-subject (n)
"Go to the next mail message having the same subject header.
With prefix argument N, do this N times.
If N is negative, go backwards instead."
(interactive "p")
(let ((subject (mail-fetch-field "Subject"))
(forward (> n 0))
(i rmail-current-message)
(case-fold-search t)
search-regexp found)
(if (string-match "Re:[ \t]*" subject)
(setq subject (substring subject (match-end 0))))
(setq search-regexp (concat "^Subject: *\\(Re: *\\)?"
(regexp-quote subject)
"\n"))
(save-excursion
(save-restriction
(widen)
(while (and (/= n 0)
(if forward
(< i rmail-total-messages)
(> i 1)))
(let (done)
(while (and (not done)
(if forward
(< i rmail-total-messages)
(> i 1)))
(setq i (if forward (1+ i) (1- i)))
(goto-char (rmail-msgbeg i))
(search-forward "\n*** EOOH ***\n")
(let ((beg (point)) end)
(search-forward "\n\n")
(setq end (point))
(goto-char beg)
(setq done (re-search-forward search-regexp end t))))
(if done (setq found i)))
(setq n (if forward (1- n) (1+ n))))))
(if found
(rmail-show-message found)
(error "No %s message with same subject"
(if forward "following" "previous")))))
(defun rmail-previous-same-subject (n)
"Go to the previous mail message having the same subject header.
With prefix argument N, do this N times.
If N is negative, go forwards instead."
(interactive "p")
(rmail-next-same-subject (- n)))
;;;; *** Rmail Message Deletion Commands ***
(defun rmail-message-deleted-p (n)
(= (aref rmail-deleted-vector n) ?D))
(defun rmail-set-message-deleted-p (n state)
(aset rmail-deleted-vector n (if state ?D ?\ )))
(defun rmail-delete-message ()
"Delete this message and stay on it."
(interactive)
(rmail-set-attribute "deleted" t)
(run-hooks 'rmail-delete-message-hook))
(defun rmail-undelete-previous-message ()
"Back up to deleted message, select it, and undelete it."
(interactive)
(let ((msg rmail-current-message))
(while (and (> msg 0)
(not (rmail-message-deleted-p msg)))
(setq msg (1- msg)))
(if (= msg 0)
(error "No previous deleted message")
(if (/= msg rmail-current-message)
(rmail-show-message msg))
(rmail-set-attribute "deleted" nil)
(if (rmail-summary-exists)
(save-excursion
(set-buffer rmail-summary-buffer)
(rmail-summary-mark-undeleted msg)))
(rmail-maybe-display-summary))))
(defun rmail-delete-forward (&optional backward)
"Delete this message and move to next nondeleted one.
Deleted messages stay in the file until the \\[rmail-expunge] command is given.
With prefix argument, delete and move backward.
Returns t if a new message is displayed after the delete, or nil otherwise."
(interactive "P")
(rmail-set-attribute "deleted" t)
(run-hooks 'rmail-delete-message-hook)
(let ((del-msg rmail-current-message))
(if (rmail-summary-exists)
(rmail-select-summary
(rmail-summary-mark-deleted del-msg)))
(prog1 (rmail-next-undeleted-message (if backward -1 1))
(rmail-maybe-display-summary))))
(defun rmail-delete-backward ()
"Delete this message and move to previous nondeleted one.
Deleted messages stay in the file until the \\[rmail-expunge] command is given."
(interactive)
(rmail-delete-forward t))
;; Compute the message number a given message would have after expunging.
;; The present number of the message is OLDNUM.
;; DELETEDVEC should be rmail-deleted-vector.
;; The value is nil for a message that would be deleted.
(defun rmail-msg-number-after-expunge (deletedvec oldnum)
(if (or (null oldnum) (= (aref deletedvec oldnum) ?D))
nil
(let ((i 0)
(newnum 0))
(while (< i oldnum)
(if (/= (aref deletedvec i) ?D)
(setq newnum (1+ newnum)))
(setq i (1+ i)))
newnum)))
(defun rmail-only-expunge ()
"Actually erase all deleted messages in the file."
(interactive)
(message "Expunging deleted messages...")
;; Discard all undo records for this buffer.
(or (eq buffer-undo-list t)
(setq buffer-undo-list nil))
(rmail-maybe-set-message-counters)
(let* ((omax (- (buffer-size) (point-max)))
(omin (- (buffer-size) (point-min)))
(opoint (if (and (> rmail-current-message 0)
(rmail-message-deleted-p rmail-current-message))
0
(- (point) (point-min))))
(messages-head (cons (aref rmail-message-vector 0) nil))
(messages-tail messages-head)
;; Don't make any undo records for the expunging.
(buffer-undo-list t)
(win))
(unwind-protect
(save-excursion
(widen)
(goto-char (point-min))
(let ((counter 0)
(number 1)
(total rmail-total-messages)
(new-message-number rmail-current-message)
(new-summary nil)
(new-msgref (list (list 0)))
(rmailbuf (current-buffer))
(buffer-read-only nil)
(messages rmail-message-vector)
(deleted rmail-deleted-vector)
(summary rmail-summary-vector))
(setq rmail-total-messages nil
rmail-current-message nil
rmail-message-vector nil
rmail-deleted-vector nil
rmail-summary-vector nil)
(while (<= number total)
(if (= (aref deleted number) ?D)
(progn
(delete-region
(marker-position (aref messages number))
(marker-position (aref messages (1+ number))))
(move-marker (aref messages number) nil)
(if (> new-message-number counter)
(setq new-message-number (1- new-message-number))))
(setq counter (1+ counter))
(setq messages-tail
(setcdr messages-tail
(cons (aref messages number) nil)))
(setq new-summary
(cons (if (= counter number) (aref summary (1- number)))
new-summary))
(setq new-msgref
(cons (aref rmail-msgref-vector number)
new-msgref))
(setcar (car new-msgref) counter))
(if (zerop (% (setq number (1+ number)) 20))
(message "Expunging deleted messages...%d" number)))
(setq messages-tail
(setcdr messages-tail
(cons (aref messages number) nil)))
(setq rmail-current-message new-message-number
rmail-total-messages counter
rmail-message-vector (apply 'vector messages-head)
rmail-deleted-vector (make-string (1+ counter) ?\ )
rmail-summary-vector (vconcat (nreverse new-summary))
rmail-msgref-vector (apply 'vector (nreverse new-msgref))
win t)))
(message "Expunging deleted messages...done")
(if (not win)
(narrow-to-region (- (buffer-size) omin) (- (buffer-size) omax)))
(rmail-show-message
(if (zerop rmail-current-message) 1 nil))
(goto-char (+ (point) opoint)))))
(defun rmail-expunge ()
"Erase deleted messages from Rmail file and summary buffer."
(interactive)
(rmail-only-expunge)
(if (rmail-summary-exists)
(rmail-select-summary
(rmail-update-summary))))
;;;; *** Rmail Mailing Commands ***
(defun rmail-start-mail (&optional noerase to subject in-reply-to cc
replybuffer sendactions same-window others)
(let (yank-action)
(if replybuffer
(setq yank-action (list 'insert-buffer replybuffer)))
(setq others (cons (cons "cc" cc) others))
(setq others (cons (cons "in-reply-to" in-reply-to) others))
(if same-window
(compose-mail to subject others
noerase nil
yank-action sendactions)
(if (and window-system rmail-mail-new-frame)
(prog1
(compose-mail to subject others
noerase 'switch-to-buffer-other-frame
yank-action sendactions)
;; This is not a standard frame parameter;
;; nothing except sendmail.el looks at it.
(modify-frame-parameters (selected-frame)
'((mail-dedicated-frame . t))))
(compose-mail to subject others
noerase 'switch-to-buffer-other-window
yank-action sendactions)))))
(defun rmail-mail ()
"Send mail in another window.
While composing the message, use \\[mail-yank-original] to yank the
original message into it."
(interactive)
(rmail-start-mail nil nil nil nil nil rmail-view-buffer))
(defun rmail-continue ()
"Continue composing outgoing message previously being composed."
(interactive)
(rmail-start-mail t))
(defun rmail-reply (just-sender)
"Reply to the current message.
Normally include CC: to all other recipients of original message;
prefix argument means ignore them. While composing the reply,
use \\[mail-yank-original] to yank the original message into it."
(interactive "P")
(let (from reply-to cc subject date to message-id references
resent-to resent-cc resent-reply-to
(msgnum rmail-current-message))
(save-excursion
(save-restriction
(widen)
(goto-char (rmail-msgbeg rmail-current-message))
(forward-line 1)
(if (= (following-char) ?0)
(narrow-to-region
(progn (forward-line 2)
(point))
(progn (search-forward "\n\n" (rmail-msgend rmail-current-message)
'move)
(point)))
(narrow-to-region (point)
(progn (search-forward "\n*** EOOH ***\n")
(beginning-of-line) (point))))
(setq from (mail-fetch-field "from")
reply-to (or (mail-fetch-field "reply-to" nil t)
from)
cc (and (not just-sender)
(mail-fetch-field "cc" nil t))
subject (mail-fetch-field "subject")
date (mail-fetch-field "date")
to (or (mail-fetch-field "to" nil t) "")
message-id (mail-fetch-field "message-id")
references (mail-fetch-field "references" nil nil t)
resent-reply-to (mail-fetch-field "resent-reply-to" nil t)
resent-cc (and (not just-sender)
(mail-fetch-field "resent-cc" nil t))
resent-to (or (mail-fetch-field "resent-to" nil t) "")
;;; resent-subject (mail-fetch-field "resent-subject")
;;; resent-date (mail-fetch-field "resent-date")
;;; resent-message-id (mail-fetch-field "resent-message-id")
)))
;; Merge the resent-to and resent-cc into the to and cc.
(if (and resent-to (not (equal resent-to "")))
(if (not (equal to ""))
(setq to (concat to ", " resent-to))
(setq to resent-to)))
(if (and resent-cc (not (equal resent-cc "")))
(if (not (equal cc ""))
(setq cc (concat cc ", " resent-cc))
(setq cc resent-cc)))
;; Add `Re: ' to subject if not there already.
(and (stringp subject)
(setq subject
(concat rmail-reply-prefix
(if (let ((case-fold-search t))
(string-match rmail-reply-regexp subject))
(substring subject (match-end 0))
subject))))
(rmail-start-mail
nil
;; Using mail-strip-quoted-names is undesirable with newer mailers
;; since they can handle the names unstripped.
;; I don't know whether there are other mailers that still
;; need the names to be stripped.
(mail-strip-quoted-names reply-to)
subject
(rmail-make-in-reply-to-field from date message-id)
(if just-sender
nil
;; mail-strip-quoted-names is NOT necessary for rmail-dont-reply-to
;; to do its job.
(let* ((cc-list (rmail-dont-reply-to
(mail-strip-quoted-names
(if (null cc) to (concat to ", " cc))))))
(if (string= cc-list "") nil cc-list)))
rmail-view-buffer
(list (list 'rmail-mark-message
rmail-view-buffer
(aref rmail-msgref-vector msgnum)
"answered"))
nil
(list (cons "References" (concat (mapconcat 'identity references " ")
" " message-id))))))
(defun rmail-mark-message (buffer msgnum-list attribute)
"Give BUFFER's message number in MSGNUM-LIST the attribute ATTRIBUTE.
This is use in the send-actions for message buffers.
MSGNUM-LIST is a list of the form (MSGNUM)
which is an element of rmail-msgref-vector."
(save-excursion
(set-buffer buffer)
(if (car msgnum-list)
(rmail-set-attribute attribute t (car msgnum-list)))))
(defun rmail-make-in-reply-to-field (from date message-id)
(cond ((not from)
(if message-id
message-id
nil))
(mail-use-rfc822
(require 'rfc822)
(let ((tem (car (rfc822-addresses from))))
(if message-id
(if (string-match
(regexp-quote (if (string-match "@[^@]*\\'" tem)
(substring tem 0 (match-beginning 0))
tem))
message-id)
;; Message-ID is sufficiently informative
message-id
(concat message-id " (" tem ")"))
;; Copy TEM, discarding text properties.
(setq tem (copy-sequence tem))
(set-text-properties 0 (length tem) nil tem)
(setq tem (copy-sequence tem))
;; Use prin1 to fake RFC822 quoting
(let ((field (prin1-to-string tem)))
(if date
(concat field "'s message of " date)
field)))))
((let* ((foo "[^][\000-\037\177-\377()<>@,;:\\\" ]+")
(bar "[^][\000-\037\177-\377()<>@,;:\\\"]+"))
;; Can't use format because format loses on \000 (unix *^&%*^&%$!!)
(or (string-match (concat "\\`[ \t]*\\(" bar
"\\)\\(<" foo "@" foo ">\\)?[ \t]*\\'")
;; "Unix Loser <Foo@bar.edu>" => "Unix Loser"
from)
(string-match (concat "\\`[ \t]*<" foo "@" foo ">[ \t]*(\\("
bar "\\))[ \t]*\\'")
;; "<Bugs@bar.edu>" (Losing Unix) => "Losing Unix"
from)))
(let ((start (match-beginning 1))
(end (match-end 1)))
;; Trim whitespace which above regexp match allows
(while (and (< start end)
(memq (aref from start) '(?\t ?\ )))
(setq start (1+ start)))
(while (and (< start end)
(memq (aref from (1- end)) '(?\t ?\ )))
(setq end (1- end)))
(let ((field (substring from start end)))
(if date (setq field (concat "message from " field " on " date)))
(if message-id
;; "<AA259@bar.edu> (message from Unix Loser on 1-Apr-89)"
(concat message-id " (" field ")")
field))))
(t
;; If we can't kludge it simply, do it correctly
(let ((mail-use-rfc822 t))
(rmail-make-in-reply-to-field from date message-id)))))
(defun rmail-forward (resend)
"Forward the current message to another user.
With prefix argument, \"resend\" the message instead of forwarding it;
see the documentation of `rmail-resend'."
(interactive "P")
(if resend
(call-interactively 'rmail-resend)
(let ((forward-buffer (current-buffer))
(msgnum rmail-current-message)
(subject (concat "["
(let ((from (or (mail-fetch-field "From")
(mail-fetch-field ">From"))))
(if from
(concat (mail-strip-quoted-names from) ": ")
""))
(or (mail-fetch-field "Subject") "")
"]")))
(if (rmail-start-mail
nil nil subject nil nil nil
(list (list 'rmail-mark-message
forward-buffer
(aref rmail-msgref-vector msgnum)
"forwarded"))
;; If only one window, use it for the mail buffer.
;; Otherwise, use another window for the mail buffer
;; so that the Rmail buffer remains visible
;; and sending the mail will get back to it.
(and (not rmail-mail-new-frame) (one-window-p t)))
;; The mail buffer is now current.
(save-excursion
;; Insert after header separator--before signature if any.
(goto-char (point-min))
(search-forward-regexp
(concat "^" (regexp-quote mail-header-separator) "$"))
(forward-line 1)
(insert "------- Start of forwarded message -------\n")
;; Quote lines with `- ' if they start with `-'.
(let ((beg (point)) end)
(setq end (point-marker))
(set-marker-insertion-type end t)
(insert-buffer-substring forward-buffer)
(goto-char beg)
(while (re-search-forward "^-" end t)
(beginning-of-line)
(insert "- ")
(forward-line 1))
(goto-char end)
(skip-chars-backward "\n")
(if (< (point) end)
(forward-char 1))
(delete-region (point) end)
(set-marker end nil))
(insert "------- End of forwarded message -------\n")
(push-mark))))))
(defun rmail-resend (address &optional from comment mail-alias-file)
"Resend current message to ADDRESSES.
ADDRESSES should be a single address, a string consisting of several
addresses separated by commas, or a list of addresses.
Optional FROM is the address to resend the message from, and
defaults to the username of the person redistributing the message.
Optional COMMENT is a string that will be inserted as a comment in the
resent message.
Optional ALIAS-FILE is alternate aliases file to be used by sendmail,
typically for purposes of moderating a list."
(interactive "sResend to: ")
(require 'sendmail)
(require 'mailalias)
(if (not from) (setq from (user-login-name)))
(let ((tembuf (generate-new-buffer " sendmail temp"))
(mail-header-separator "")
(case-fold-search nil)
(mailbuf (current-buffer)))
(unwind-protect
(save-excursion
;;>> Copy message into temp buffer
(set-buffer tembuf)
(insert-buffer-substring mailbuf)
(goto-char (point-min))
;; Delete any Sender field, since that's not specifiable.
; Only delete Sender fields in the actual header.
(re-search-forward "^$" nil 'move)
; Using "while" here rather than "if" because some buggy mail
; software may have inserted multiple Sender fields.
(while (re-search-backward "^Sender:" nil t)
(let (beg)
(setq beg (point))
(forward-line 1)
(while (looking-at "[ \t]")
(forward-line 1))
(delete-region beg (point))))
; Go back to the beginning of the buffer so the Resent- fields
; are inserted there.
(goto-char (point-min))
;;>> Insert resent-from:
(insert "Resent-From: " from "\n")
(insert "Resent-Date: " (mail-rfc822-date) "\n")
;;>> Insert resent-to: and bcc if need be.
(let ((before (point)))
(if mail-self-blind
(insert "Resent-Bcc: " (user-login-name) "\n"))
(insert "Resent-To: " (if (stringp address)
address
(mapconcat 'identity address ",\n\t"))
"\n")
;; Expand abbrevs in the recipients.
(save-excursion
(if (featurep 'mailabbrev)
(let ((end (point-marker))
(local-abbrev-table mail-abbrevs)
(old-syntax-table (syntax-table)))
(if (and (not (vectorp mail-abbrevs))
(file-exists-p mail-personal-alias-file))
(build-mail-abbrevs))
(set-syntax-table mail-abbrev-syntax-table)
(goto-char before)
(while (and (< (point) end)
(progn (forward-word 1)
(<= (point) end)))
(expand-abbrev))
(set-syntax-table old-syntax-table))
(expand-mail-aliases before (point)))))
;;>> Set up comment, if any.
(if (and (sequencep comment) (not (zerop (length comment))))
(let ((before (point))
after)
(insert comment)
(or (eolp) (insert "\n"))
(setq after (point))
(goto-char before)
(while (< (point) after)
(insert "Resent-Comment: ")
(forward-line 1))))
;; Don't expand aliases in the destination fields
;; of the original message.
(let (mail-aliases)
(funcall send-mail-function)))
(kill-buffer tembuf))
(rmail-set-attribute "resent" t rmail-current-message)))
(defvar mail-unsent-separator
(concat "^ *---+ +Unsent message follows +---+ *$\\|"
"^ *---+ +Returned message +---+ *$\\|"
"^Start of returned message$\\|"
"^ *---+ +Original message +---+ *$\\|"
"^ *--+ +begin message +--+ *$\\|"
"^ *---+ +Original message follows +---+ *$\\|"
"^|? *---+ +Message text follows: +---+ *|?$")
"A regexp that matches the separator before the text of a failed message.")
(defvar mail-mime-unsent-header "^Content-Type: message/rfc822 *$"
"A regexp that matches the header of a MIME body part with a failed message.")
(defun rmail-retry-failure ()
"Edit a mail message which is based on the contents of the current message.
For a message rejected by the mail system, extract the interesting headers and
the body of the original message.
If the failed message is a MIME multipart message, it is searched for a
body part with a header which matches the variable `mail-mime-unsent-header'.
Otherwise, the variable `mail-unsent-separator' should match the string that
delimits the returned original message.
The variable `rmail-retry-ignored-headers' is a regular expression
specifying headers which should not be copied into the new message."
(interactive)
(require 'mail-utils)
(let ((rmail-this-buffer (current-buffer))
(msgnum rmail-current-message)
bounce-start bounce-end bounce-indent resending)
(save-excursion
;; Narrow down to just the quoted original message
(rmail-beginning-of-message)
(let* ((case-fold-search t)
(top (point))
(content-type
(save-restriction
;; Fetch any content-type header in current message
(search-forward "\n\n") (narrow-to-region top (point))
(mail-fetch-field "Content-Type") )) )
;; Handle MIME multipart bounce messages
(if (and content-type
(string-match
";[\n\t ]*boundary=\"?\\([-0-9a-z'()+_,./:=?]+\\)\"?"
content-type))
(let ((codestring
(concat "\n--"
(substring content-type (match-beginning 1)
(match-end 1)))))
(or (re-search-forward mail-mime-unsent-header nil t)
(error "Cannot find beginning of header in failed message"))
(or (search-forward "\n\n" nil t)
(error "Cannot find end of Mime data in failed message"))
(setq bounce-start (point))
(or (search-forward codestring nil t)
(error "Cannot find end of Mime data in failed message"))
(setq bounce-end (match-beginning 0))
; (or (search-forward "\n\n" nil t)
; (error "Cannot find end of header in failed message"))
)
;; non-MIME bounce
(or (re-search-forward mail-unsent-separator nil t)
(error "Cannot parse this as a failure message"))
(skip-chars-forward "\n")
;; Support a style of failure message in which the original
;; message is indented, and included within lines saying
;; `Start of returned message' and `End of returned message'.
(if (looking-at " +Received:")
(progn
(setq bounce-start (point))
(skip-chars-forward " ")
(setq bounce-indent (- (current-column)))
(goto-char (point-max))
(re-search-backward "^End of returned message$" nil t)
(setq bounce-end (point)))
;; One message contained a few random lines before the old
;; message header. The first line of the message started with
;; two hyphens. A blank line followed these random lines.
;; The same line beginning with two hyphens was possibly
;; marking the end of the message.
(if (looking-at "^--")
(let ((boundary (buffer-substring-no-properties
(point)
(progn (end-of-line) (point)))))
(search-forward "\n\n")
(skip-chars-forward "\n")
(setq bounce-start (point))
(goto-char (point-max))
(search-backward (concat "\n\n" boundary) bounce-start t)
(setq bounce-end (point)))
(setq bounce-start (point)
bounce-end (point-max)))
(or (search-forward "\n\n" nil t)
(error "Cannot find end of header in failed message"))
))))
;; Start sending a new message; default header fields from the original.
;; Turn off the usual actions for initializing the message body
;; because we want to get only the text from the failure message.
(let (mail-signature mail-setup-hook)
(if (rmail-start-mail nil nil nil nil nil rmail-this-buffer
(list (list 'rmail-mark-message
rmail-this-buffer
(aref rmail-msgref-vector msgnum)
"retried")))
;; Insert original text as initial text of new draft message.
;; Bind inhibit-read-only since the header delimiter
;; of the previous message was probably read-only.
(let ((inhibit-read-only t))
(erase-buffer)
(insert-buffer-substring rmail-this-buffer bounce-start bounce-end)
(goto-char (point-min))
(if bounce-indent
(indent-rigidly (point-min) (point-max) bounce-indent))
(rmail-clear-headers rmail-retry-ignored-headers)
(rmail-clear-headers "^sender:\\|^from:\\|^return-path:")
(goto-char (point-min))
(save-restriction
(search-forward "\n\n")
(forward-line -1)
(narrow-to-region (point-min) (point))
(setq resending (mail-fetch-field "resent-to"))
(if mail-self-blind
(if resending
(insert "Resent-Bcc: " (user-login-name) "\n")
(insert "BCC: " (user-login-name) "\n"))))
(insert mail-header-separator)
(mail-position-on-field (if resending "Resent-To" "To") t)
(set-buffer rmail-this-buffer)
(rmail-beginning-of-message))))))
(defun rmail-summary-exists ()
"Non-nil iff in an RMAIL buffer and an associated summary buffer exists.
In fact, the non-nil value returned is the summary buffer itself."
(and rmail-summary-buffer (buffer-name rmail-summary-buffer)
rmail-summary-buffer))
(defun rmail-summary-displayed ()
"t iff in RMAIL buffer and an associated summary buffer is displayed."
(and rmail-summary-buffer (get-buffer-window rmail-summary-buffer)))
(defcustom rmail-redisplay-summary nil
"*Non-nil means Rmail should show the summary when it changes.
This has an effect only if a summary buffer exists."
:type 'boolean
:group 'rmail-summary)
(defcustom rmail-summary-window-size nil
"*Non-nil means specify the height for an Rmail summary window."
:type 'boolean
:group 'rmail-summary)
;; Put the summary buffer back on the screen, if user wants that.
(defun rmail-maybe-display-summary ()
(let ((selected (selected-window))
window)
;; If requested, make sure the summary is displayed.
(and rmail-summary-buffer (buffer-name rmail-summary-buffer)
rmail-redisplay-summary
(if (get-buffer-window rmail-summary-buffer 0)
;; It's already in some frame; show that one.
(let ((frame (window-frame
(get-buffer-window rmail-summary-buffer 0))))
(make-frame-visible frame)
(raise-frame frame))
(display-buffer rmail-summary-buffer)))
;; If requested, set the height of the summary window.
(and rmail-summary-buffer (buffer-name rmail-summary-buffer)
rmail-summary-window-size
(setq window (get-buffer-window rmail-summary-buffer))
;; Don't try to change the size if just one window in frame.
(not (eq window (frame-root-window (window-frame window))))
(unwind-protect
(progn
(select-window window)
(enlarge-window (- rmail-summary-window-size (window-height))))
(select-window selected)))))
;;;; *** Rmail Local Fontification ***
(defun rmail-fontify-buffer-function ()
;; This function's symbol is bound to font-lock-fontify-buffer-function.
(make-local-hook 'rmail-show-message-hook)
(add-hook 'rmail-show-message-hook 'rmail-fontify-message nil t)
;; If we're already showing a message, fontify it now.
(if rmail-current-message (rmail-fontify-message))
;; Prevent Font Lock mode from kicking in.
(setq font-lock-fontified t))
(defun rmail-unfontify-buffer-function ()
;; This function's symbol is bound to font-lock-fontify-unbuffer-function.
(let ((modified (buffer-modified-p))
(buffer-undo-list t) (inhibit-read-only t)
before-change-functions after-change-functions
buffer-file-name buffer-file-truename)
(save-restriction
(widen)
(remove-hook 'rmail-show-message-hook 'rmail-fontify-message t)
(remove-text-properties (point-min) (point-max) '(rmail-fontified nil))
(font-lock-default-unfontify-buffer)
(and (not modified) (buffer-modified-p) (set-buffer-modified-p nil)))))
(defun rmail-fontify-message ()
;; Fontify the current message if it is not already fontified.
(if (text-property-any (point-min) (point-max) 'rmail-fontified nil)
(let ((modified (buffer-modified-p))
(buffer-undo-list t) (inhibit-read-only t)
before-change-functions after-change-functions
buffer-file-name buffer-file-truename)
(save-excursion
(save-match-data
(add-text-properties (point-min) (point-max) '(rmail-fontified t))
(font-lock-fontify-region (point-min) (point-max))
(and (not modified) (buffer-modified-p) (set-buffer-modified-p nil)))))))
(provide 'rmail)
;;; rmail.el ends here
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