;;; mh-e.el (Version: 3.7 for GNU Emacs Version 18 and MH.5 and MH.6)
(setq mh-e-RCS-id "$Header: /var/home/larus/lib/emacs/RCS/mh-e.el,v 3.1 90/09/28 15:47:58 larus Exp Locker: larus $")
;;; Copyright (C) 1985-89 Free Software Foundation
;;; Author: James Larus (larus@ginger.Berkeley.EDU or ucbvax!larus)
;;; Please send suggestions and corrections to the above address.
;;; This file contains mh-e, a GNU Emacs front end to the MH mail system.
;; 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 1, or (at your option)
;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
;;; Original version for Gosling emacs by Brian Reid, Stanford, 1982.
;;; Modified by James Larus, BBN, July 1984 and UCB, 1984 & 1985.
;;; Rewritten for GNU Emacs, James Larus 1985. larus@ginger.berkeley.edu
;;; Modified by Stephen Gildea 1988. gildea@bbn.com
;;; NB. MH must have been compiled with the MHE compiler flag or several
;;; features necessary mh-e will be missing from MH commands, specifically
;;; the -build switch to repl and forw.
;;; Set for local environment:
;;;* These are now in paths.el.
;;;(defvar mh-progs "/usr/new/mh/" "Directory containing MH commands.")
;;;(defvar mh-lib "/usr/new/lib/mh/" "Directory of MH library.")
(defvar mh-redist-full-contents t
"Non-nil if the `dist' command needs whole letter for redistribution.
This is the case when `send' is compiled with the BERK option.")
(defvar mh-folder-mode-hook nil
"Invoked in mh-folder-mode on a new folder.")
(defvar mh-letter-mode-hook nil
"Invoked in mh-letter-mode on a new letter.")
(defvar mh-compose-letter-function nil
"Invoked in mh-compose-and-send-mail on a draft letter.
It is passed three arguments: TO recipients, SUBJECT, and CC recipients.")
(defvar mh-before-send-letter-hook nil
"Invoked at the beginning of the \\[mh-send-letter] command.")
(defvar mh-inc-folder-hook nil
"Invoked after incorporating mail into a folder with \\[mh-inc-folder].")
"Invoked after quitting mh-e with \\[mh-quit].")
(defvar mh-ins-string nil
"Temporarily set by mh-insert-prefix prior to running mh-yank-hooks.")
(or (bolp) (forward-line 1))
(while (< (point) (mark))
"Hook to run citation function. Expects POINT and MARK to be set to
;;; Personal preferences:
(defvar mh-clean-message-header nil
"*Non-nil means clean headers of messages that are displayed or inserted.
The variables mh-visible-headers and mh-invisible-headers control what is
(defvar mh-visible-headers nil
"*If non-nil, contains a regexp specifying the headers to keep when cleaning.
Only used if mh-clean-message-header is non-nil. Setting this variable
overrides mh-invisible-headers.")
"*Name of format file to be used by mhl to show messages.
A value of T means use the default format file.
Nil means don't use mhl to format messages.")
(defvar mh-lpr-command-format "lpr -p -J '%s'"
"*Format for Unix command that prints a message.
The string should be a Unix command line, with the string '%s' where
the job's name (folder and message number) should appear. The message text
is piped to this command.")
(defvar mh-print-background nil
"*Print messages in the background if non-nil.
WARNING: do not delete the messages until printing is finished;
otherwise, your output may be truncated.")
(defvar mh-summary-height 4
"*Number of lines in summary window.")
(defvar mh-recenter-summary-p nil
"*Recenter summary window when the show window is toggled off if non-nil.")
(defvar mh-ins-buf-prefix ">> "
"*String to put before each non-blank line of a yanked or inserted message.
Used when the message is inserted in an outgoing letter.")
(defvar mh-do-not-confirm nil
"*Non-nil means do not prompt for confirmation before some commands.
Only affects certain innocuous commands.")
(defvar mh-bury-show-buffer t
"*Non-nil means that the displayed show buffer for a folder is buried.")
(defvar mh-delete-yanked-msg-window nil
"*Controls window display when a message is yanked by \\[mh-yank-cur-msg].
If non-nil, yanking the current message into a draft letter deletes any
windows displaying the message.")
(defvar mh-yank-from-start-of-msg t
"*Controls which part of a message is yanked by \\[mh-yank-cur-msg].
If non-nil, include the entire message. If the symbol `body, then yank the
message minus the header. If nil, yank only the portion of the message
following the point. If the show buffer has a region, this variable is
(defvar mh-reply-default-reply-to nil
"*Sets the person or persons to whom a reply will be sent.
If nil, prompt for recipient. If non-nil, then \\[mh-reply] will use this
value and it should be one of \"from\", \"to\", or \"cc\".")
(defvar mh-recursive-folders nil
"*If non-nil, then commands which operate on folders do so recursively.")
;;; Parameterize mh-e to work with different scan formats. The defaults work
;;; the standard MH scan listings.
"Offset to insert notation.")
"String whose first character is used to notate replied to messages.")
"String whose first character is used to notate forwarded messages.")
"String whose first character is used to notate redistributed messages.")
(defvar mh-good-msg-regexp "^....[^D^]"
"Regexp specifiying the scan lines that are 'good' messages.")
(defvar mh-deleted-msg-regexp "^....D"
"Regexp matching scan lines of deleted messages.")
(defvar mh-refiled-msg-regexp "^....\\^"
"Regexp matching scan lines of refiled messages.")
(defvar mh-valid-scan-line "^ *[0-9]"
"Regexp matching scan lines for messages (not error messages).")
(defvar mh-msg-number-regexp "^ *\\([0-9]+\\)"
"Regexp to find the number of a message in a scan line.
The message's number must be surrounded with \\( \\)")
(defvar mh-msg-search-regexp "^[^0-9]*%d[^0-9]"
"Format string containing a regexp matching the scan listing for a message.
The desired message's number will be an argument to format.")
(defvar mh-flagged-scan-msg-regexp "^....\\D\\|^....\\^\\|^....\\+\\|^.....%"
"Regexp matching flagged scan lines.
Matches lines marked as deleted, refiled, in a sequence, or the cur message.")
(defvar mh-cur-scan-msg-regexp "^....\\+"
"Regexp matching scan line for the cur message.")
(defvar mh-show-buffer-mode-line-buffer-id "{%%b} %s/%d"
"Format string to produce mode-line-buffer-id for show buffers.
First argument is folder name. Second is message number.")
(defvar mh-partial-folder-mode-line-annotation "select"
"Annotation when displaying part of a folder.
The string is displayed after the folder's name. NIL for no annotation.")
(defvar mh-invisible-headers
"^Received: \\|^Message-Id: \\|^Remailed-\\|^Via: \\|^Mail-from: \\|^Return-Path: \\|^In-Reply-To: \\|^Resent-"
"Regexp matching lines in a message header that are not to be shown.
If mh-visible-headers is non-nil, it is used instead to specify what to keep.")
(defvar mh-rejected-letter-start "^ ----- Unsent message follows -----$"
"Regexp specifying the beginning of the wrapper around a returned letter.
This wrapper is generated by the mail system when rejecting a letter.")
(defvar mh-to-field-choices '((?t . "To:") (?s . "Subject:") (?c . "Cc:")
(?b . "Bcc:") (?f . "Fcc:"))
"A-list of (character . field name) strings for mh-to-field.")
(defvar mh-last-destination nil
"Destination of last refile or write command.")
(defvar mh-folder-mode-map (make-keymap)
"Keymap for MH folders.")
(defvar mh-letter-mode-map (copy-keymap text-mode-map)
"Keymap for composing mail.")
(defvar mh-pick-mode-map (make-sparse-keymap)
"Keymap for searching folder.")
(defvar mh-letter-mode-syntax-table nil
"Syntax table used while in mh-e letter mode.")
(if mh-letter-mode-syntax-table
(setq mh-letter-mode-syntax-table
(make-syntax-table text-mode-syntax-table))
(set-syntax-table mh-letter-mode-syntax-table)
(modify-syntax-entry ?% "." mh-letter-mode-syntax-table))
(defvar mh-folder-list nil
"List of folder names for completion.")
(defvar mh-draft-folder nil
"Name of folder containing draft messages.
NIL means do not use draft folder.")
(defvar mh-unseen-seq nil
"Name of the unseen sequence.")
(defvar mh-previous-window-config nil
"Window configuration before mh-e command.")
(defvar mh-previous-seq nil
"Name of the sequence to which a message was last added.")
;;; Macros and generic functions:
(list 'setq l (list 'cons v l)))
(defmacro mh-when (pred &rest body)
(list 'cond (cons pred body)))
(defmacro with-mh-folder-updating (save-modification-flag-p &rest body)
;; Format is (with-mh-folder-updating (SAVE-MODIFICATION-FLAG-P) &body BODY).
;; Execute BODY, which can modify the folder buffer without having to
;; worry about file locking or the read-only flag, and return its result.
;; If SAVE-MODIFICATION-FLAG-P is non-nil, the buffer's modification
;; flag is unchanged, otherwise it is cleared.
(setq save-modification-flag-p (car save-modification-flag-p)) ; CL style
(` (let ((folder-updating-mod-flag (buffer-modified-p)))
(let ((buffer-read-only nil)
(buffer-file-name nil)) ; don't let the buffer get locked
(, (if save-modification-flag-p
'(mh-set-folder-modified-p folder-updating-mod-flag)
'(mh-set-folder-modified-p nil)))))))
(defun mh-mapc (func list)
(funcall func (car list))
(defun mh-rmail (&optional arg)
"Inc(orporate) new mail (no arg) or scan a MH mail box (arg given).
This front end uses the MH mail system, which uses different conventions
from the usual mail system."
(call-interactively 'mh-visit-folder)
"Compose and send mail with the MH mail system."
(call-interactively 'mh-send))
(defun mh-smail-other-window ()
"Compose and send mail in other window with the MH mail system."
(call-interactively 'mh-send-other-window))
;;; User executable mh-e commands:
(defun mh-burst-digest ()
"Burst apart the current message, which should be a digest.
The message is replaced by its table of contents and the letters from the
digest are inserted into the folder after that message."
(let ((digest (mh-get-msg-num t)))
(mh-process-or-undo-commands mh-current-folder)
(mh-set-folder-modified-p t) ; lock folder while bursting
(message "Bursting digest...")
(mh-exec-cmd "burst" mh-current-folder digest "-inplace")
(mh-scan-folder mh-current-folder (format "%d-last" mh-first-msg-num))
(message "Bursting digest...done")))
(defun mh-copy-msg (prefix-provided msg-or-seq dest)
"Copy specified MESSAGE(s) to another FOLDER without deleting them.
Default is the displayed message. If (optional) prefix argument is
provided, then prompt for the message sequence."
(interactive (list current-prefix-arg
(mh-read-seq-default "Copy" t)
(mh-prompt-for-folder "Copy to" "" t)))
(mh-exec-cmd "refile" msg-or-seq "-link" "-src" mh-current-folder dest)
(mh-notate-seq msg-or-seq ?C mh-cmd-note)
(mh-notate msg-or-seq ?C mh-cmd-note)))
(defun mh-delete-msg (msg-or-seq)
"Mark the specified MESSAGE(s) for subsequent deletion and move to the next.
Default is the displayed message. If (optional) prefix argument is
provided, then prompt for the message sequence."
(interactive (list (if current-prefix-arg
(mh-read-seq-default "Delete" t)
(mh-delete-a-msg msg-or-seq)
(mh-map-to-seq-msgs 'mh-delete-a-msg msg-or-seq))
(defun mh-delete-msg-no-motion (msg-or-seq)
"Mark the specified MESSAGE(s) for subsequent deletion.
Default is the displayed message. If (optional) prefix argument is
provided, then prompt for the message sequence."
(interactive (list (if current-prefix-arg
(mh-read-seq-default "Delete" t)
(mh-delete-a-msg msg-or-seq)
(mh-map-to-seq-msgs 'mh-delete-a-msg msg-or-seq)))
(defun mh-delete-msg-from-seq (prefix-provided msg-or-seq &optional from-seq)
"Delete MESSAGE (default: displayed message) from SEQUENCE.
If (optional) prefix argument provided, then delete all messages from a
(interactive (let ((argp current-prefix-arg))
(mh-read-seq-default "Delete" t)
(mh-read-seq-default "Delete from" t)))))
(mh-remove-seq msg-or-seq)
(mh-remove-msg-from-seq msg-or-seq from-seq)))
(defun mh-edit-again (msg)
"Clean-up a draft or a message previously sent and make it resendable."
(interactive (list (mh-get-msg-num t)))
(let* ((from-folder mh-current-folder)
(config (current-window-configuration))
(cond ((and mh-draft-folder (equal from-folder mh-draft-folder))
(find-file (mh-msg-filename msg))
(rename-buffer (format "draft-%d" msg))
(mh-read-draft "clean-up" (mh-msg-filename msg) nil)))))
(mh-clean-msg-header (point-min)
"^Date:\\|^Received:\\|^Message-Id:\\|^From:"
(set-buffer-modified-p nil)
(mh-compose-and-send-mail draft "" from-folder nil nil nil nil nil nil
(defun mh-execute-commands ()
"Process outstanding delete and refile requests."
(if mh-narrowed-to-seq (mh-widen))
(mh-process-commands mh-current-folder)
(mh-goto-cur-msg) ; after mh-set-scan-mode for efficiency
(mh-make-folder-mode-line)
t) ; return t for write-file-hooks
(defun mh-extract-rejected-mail (msg)
"Extract a letter returned by the mail system and make it resendable.
Default is the displayed message."
(interactive (list (mh-get-msg-num t)))
(let ((from-folder mh-current-folder)
(config (current-window-configuration))
(draft (mh-read-draft "extraction" (mh-msg-filename msg) nil)))
(cond ((re-search-forward mh-rejected-letter-start nil t)
(delete-region (point-min) (point))
(mh-clean-msg-header (point-min)
"^Date:\\|^Received:\\|^Message-Id:\\|^From:\\|^Sender:"
(message "Does not appear to be a rejected letter.")))
(set-buffer-modified-p nil)
(mh-compose-and-send-mail draft "" from-folder msg (mh-get-field "To")
(mh-get-field "From") (mh-get-field "cc")
"Move to the first message."
(defun mh-forward (prefix-provided msg-or-seq to cc)
"Forward MESSAGE(s) (default: displayed message).
If (optional) prefix argument provided, then prompt for the message sequence."
(interactive (list current-prefix-arg
(mh-read-seq-default "Forward" t)
(let* ((folder mh-current-folder)
(config (current-window-configuration))
;; forw always leaves file in "draft" since it doesn't have -draft
(draft-name (expand-file-name "draft" mh-user-path))
(draft (cond ((or (not (file-exists-p draft-name))
(y-or-n-p "The file 'draft' exists. Discard it? "))
"-build" mh-current-folder msg-or-seq)
(mh-read-draft "" draft-name t)
(mh-insert-fields "To:" to "Cc:" cc)
(set-buffer-modified-p nil)))
(mh-read-draft "" draft-name nil)))))
(re-search-forward "^------- Forwarded Message")
(narrow-to-region (point) (point-max))
(let* ((subject (save-excursion (mh-get-field "From:")))
(trim (string-match "<" subject))
(forw-subject (save-excursion (mh-get-field "Subject:"))))
(setq subject (substring subject 0 (1- trim))))
(mh-insert-fields "Subject:" (format "[%s: %s]" subject forw-subject)))
(mh-add-msgs-to-seq (mh-seq-to-msgs msg-or-seq) 'forwarded t)
(mh-add-msgs-to-seq msg-or-seq 'forwarded t))
(mh-compose-and-send-mail draft "" folder msg-or-seq
mh-note-forw "Forwarded:"
(defun mh-goto-msg (number &optional no-error-if-no-message dont-show)
"Position the cursor at message NUMBER.
Non-nil second argument means do not signal an error if message does not exist.
Non-nil third argument means not to show the message.
Return non-nil if cursor is at message."
(interactive "NMessage number? ")
(let ((cur-msg (mh-get-msg-num nil))
(msg-pattern (mh-msg-search-pat number)))
(cond ((cond ((and cur-msg (= cur-msg number)) t)
(re-search-forward msg-pattern nil t)) t)
(re-search-backward msg-pattern nil t)) t)
(t ; Do thorough search of buffer
(re-search-backward msg-pattern nil t)))
(if (not dont-show) (mh-maybe-show number))
(goto-char starting-place)
(if (not no-error-if-no-message)
(error "No message %d" number))
(defun mh-inc-folder (&optional maildrop-name)
"Inc(orporate) new mail into +inbox.
Optional prefix argument specifies an alternate maildrop from the default.
If this is given, mail is incorporated into the current folder, rather
than +inbox. Run mh-inc-folder-hook after incorporating new mail."
(interactive (list (if current-prefix-arg
(read-file-name "inc mail from file: "
(let ((config (current-window-configuration)))
(cond ((not (get-buffer "+inbox"))
(mh-make-folder "+inbox")
(setq mh-previous-window-config config))
((not (eq (current-buffer) (get-buffer "+inbox")))
(switch-to-buffer "+inbox")
(setq mh-previous-window-config config)))))
(mh-get-new-mail maildrop-name)
(run-hooks 'mh-inc-folder-hook))
"Remove the current folder."
(if (or mh-do-not-confirm
(yes-or-no-p (format "Remove folder %s? " mh-current-folder)))
(let ((folder mh-current-folder))
(mh-set-folder-modified-p t) ; lock folder to kill it
(mh-exec-cmd-daemon "rmf" folder)
(mh-remove-folder-from-folder-list folder)
(message "Folder %s removed" folder)
(mh-set-folder-modified-p nil) ; so kill-buffer doesn't complain
(kill-buffer mh-show-buffer)
(message "Folder not removed")))
"Move to the last message."
(while (and (not (bobp)) (looking-at "^$"))
(defun mh-list-folders ()
(with-output-to-temp-buffer " *mh-temp*"
(switch-to-buffer " *mh-temp*")
(message "Listing folders...")
(mh-exec-cmd-output "folders" t)
(message "Listing folders...done"))))
(defun mh-msg-is-in-seq (msg)
"Display the sequences that contain MESSAGE (default: displayed message)."
(interactive (list (mh-get-msg-num t)))
(message "Message %d is in sequences: %s"
(mh-list-to-string (mh-seq-containing-msg msg))
(defun mh-narrow-to-seq (seq)
"Restrict display of this folder to just messages in a sequence.
Reads which sequence. Use \\[mh-widen] to undo this command."
(interactive (list (mh-read-seq "Narrow to" t)))
(with-mh-folder-updating (t)
(cond ((mh-seq-to-msgs seq)
(mh-copy-seq-to-point seq eob)
(narrow-to-region eob (point-max))
(mh-make-folder-mode-line (symbol-name seq))
(setq mh-narrowed-to-seq seq))
(error "No messages in sequence `%s'" (symbol-name seq)))))))
(defun mh-next-undeleted-msg (&optional arg)
"Move to next undeleted message in window."
(forward-line (prefix-numeric-value arg))
(setq mh-next-direction 'forward)
(cond ((re-search-forward mh-good-msg-regexp nil 0 arg)
(if (get-buffer mh-show-buffer)
(delete-windows-on mh-show-buffer)))))
(defun mh-pack-folder (range)
"Renumber the messages of a folder to be 1..n.
First, offer to execute any outstanding commands for the current folder.
If (optional) prefix argument provided, prompt for the range of messages
to display after packing. Otherwise, show the entire folder."
(interactive (list (if current-prefix-arg
"Range to scan after packing [all]? ")
(message "Packing folder...done"))
(defun mh-pipe-msg (prefix-provided command)
"Pipe the current message through the given shell COMMAND.
If (optional) prefix argument is provided, send the entire message.
Otherwise just send the message's body."
(list current-prefix-arg (read-string "Shell command on message: ")))
(set-buffer mh-show-buffer)
(if (not prefix-provided) (search-forward "\n\n"))
(shell-command-on-region (point) (point-max) command nil)))
(defun mh-refile-msg (prefix-provided msg-or-seq dest)
"Refile MESSAGE(s) (default: displayed message) in FOLDER.
If (optional) prefix argument provided, then prompt for message sequence."
(mh-read-seq-default "Refile" t)
(mh-prompt-for-folder "Destination"
(if (eq 'refile (car mh-last-destination))
(symbol-name (cdr mh-last-destination))
(setq mh-last-destination (cons 'refile dest))
(mh-map-to-seq-msgs 'mh-refile-a-msg msg-or-seq dest)
(mh-refile-a-msg msg-or-seq dest))
(defun mh-refile-or-write-again (msg)
"Re-execute the last refile or write command on the given MESSAGE.
Default is the displayed message. Use the same folder or file as the
previous refile or write command."
(interactive (list (mh-get-msg-num t)))
(if (null mh-last-destination)
(error "No previous refile or write"))
(cond ((eq (car mh-last-destination) 'refile)
(mh-refile-a-msg msg (cdr mh-last-destination))
(message "Destination folder: %s" (cdr mh-last-destination)))
(mh-write-msg-to-file msg (cdr mh-last-destination))
(message "Destination: %s" (cdr mh-last-destination))))
(defun mh-reply (prefix-provided msg)
"Reply to a MESSAGE (default: displayed message).
If (optional) prefix argument provided, then include the message in the reply
using filter mhl.reply in your MH directory."
(interactive (list current-prefix-arg (mh-get-msg-num t)))
(let ((minibuffer-help-form
"from => Sender only\nto => Sender and primary recipients\ncc or all => Sender and all recipients"))
(let ((reply-to (or mh-reply-default-reply-to
(completing-read "Reply to whom: "
'(("from") ("to") ("cc") ("all"))
(folder mh-current-folder)
(show-buffer mh-show-buffer)
(config (current-window-configuration)))
(message "Composing a reply...")
(cond ((or (equal reply-to "from") (equal reply-to ""))
"-nodraftfolder" mh-current-folder
(list "-filter" "mhl.reply"))))
"-nodraftfolder" mh-current-folder
(list "-filter" "mhl.reply"))))
((or (equal reply-to "cc") (equal reply-to "all"))
"-nodraftfolder" mh-current-folder
(list "-filter" "mhl.reply")))))
(let ((draft (mh-read-draft "reply"
(expand-file-name "reply" mh-user-path)
(set-buffer-modified-p nil)
(let ((to (mh-get-field "To:"))
(subject (mh-get-field "Subject:"))
(cc (mh-get-field "Cc:")))
(if (not prefix-provided)
(mh-display-msg msg folder))
(mh-add-msgs-to-seq msg 'answered t)
(message "Composing a reply...done")
(mh-compose-and-send-mail draft "" folder msg to subject cc
mh-note-repl "Replied:" config))))))
"Restore the previous window configuration, if one exists.
Finish by running mh-quit-hook."
(if mh-previous-window-config
(set-window-configuration mh-previous-window-config))
(run-hooks 'mh-quit-hook))
"Advance displayed message to next digested message."
(mh-show-message-in-other-window)
;; Go to top of screen (in case user moved point).
(let ((case-fold-search nil))
;; Search for blank line and then for From:
(mh-when (not (and (search-forward "\n\n" nil t)
(search-forward "From:" nil t)))
(error "No more messages")))
;; Go back to previous blank line, then forward to the first non-blank.
(search-backward "\n\n" nil t)
(defun mh-page-digest-backwards ()
"Back up displayed message to previous digested message."
(mh-show-message-in-other-window)
;; Go to top of screen (in case user moved point).
(let ((case-fold-search nil))
(mh-when (not (and (search-backward "\n\n" nil t)
(search-backward "From:" nil t)))
(error "No more messages")))
;; Go back to previous blank line, then forward to the first non-blank.
(search-backward "\n\n" nil t)
(defun mh-page-msg (&optional arg)
"Page the displayed message forwards.
Scrolls ARG lines or a full screen if no argument is supplied."
(scroll-other-window arg))
(defun mh-previous-page (&optional arg)
"Page the displayed message backwards.
Scrolls ARG lines or a full screen if no argument is supplied."
(mh-show-message-in-other-window)
(defun mh-previous-undeleted-msg (&optional arg)
"Move to previous undeleted message in window."
(setq mh-next-direction 'backward)
(cond ((re-search-backward mh-good-msg-regexp nil 0 arg)
(if (get-buffer mh-show-buffer)
(delete-windows-on mh-show-buffer)))))
(defun mh-print-msg (prefix-provided msg-or-seq)
"Print MESSAGE(s) (default: displayed message) on a line printer.
If (optional) prefix argument provided, then prompt for the message sequence."
(interactive (list current-prefix-arg
(mh-read-seq-default "Print" t)))
(message "Printing sequence...")
(message "Printing message..."))
(format "(scan -clear %s ; %s -nobell -clear %s %s) | %s"
(mapconcat (function (lambda (msg) msg)) msg-or-seq " ")
(expand-file-name "mhl" mh-lib)
(if (stringp mhl-formfile)
(format "-form %s" mhl-formfile)
(mh-msg-filenames msg-or-seq)
(format mh-lpr-command-format
(format "Sequence from %s" mh-current-folder)
(format "%s/%d" mh-current-folder
(format "%s -nobell -clear %s %s | %s"
(expand-file-name "mhl" mh-lib)
(mh-msg-filename msg-or-seq)
(if (stringp mhl-formfile)
(format "-form %s" mhl-formfile)
(format mh-lpr-command-format
(format "Sequence from %s" mh-current-folder)
(format "%s/%d" mh-current-folder
(mh-exec-cmd-daemon shell-file-name "-c" print-command)
(call-process shell-file-name nil nil nil "-c" print-command))
(mh-notate-seq msg-or-seq ?P mh-cmd-note)
(mh-notate msg-or-seq ?P mh-cmd-note))
(mh-add-msgs-to-seq msg-or-seq 'printed t)
(message "Printing sequence...done")
(message "Printing message...done"))))
(defun mh-put-msg-in-seq (prefix-provided from to)
"Add MESSAGE(s) (default: displayed message) to SEQUENCE.
If (optional) prefix argument provided, then prompt for the message sequence."
(interactive (list current-prefix-arg
(mh-read-seq-default "Add messages from" t))
(mh-read-seq-default "Add to" nil)))
(setq mh-previous-seq to)
(mh-add-msgs-to-seq from to))
(defun mh-rescan-folder (range)
"Rescan a folder after optionally processing the outstanding commands.
If (optional) prefix argument is provided, prompt for the range of
messages to display. Otherwise show the entire folder."
(interactive (list (if current-prefix-arg
(mh-read-msg-range "Range to scan [all]? ")
(setq mh-next-direction 'forward)
(mh-scan-folder mh-current-folder (or range "all")))
(defun mh-redistribute (to cc msg)
Depending on how your copy of MH was compiled, you may need to change the
setting of the variable mh-redist-full-contents. See its documentation."
(interactive (list (read-string "Redist-To: ")
(read-string "Redist-Cc: ")
(let ((folder mh-current-folder)
(draft (mh-read-draft "redistribution"
(if mh-redist-full-contents
(insert "Resent-To: " to "\n")
(if (not (equal cc "")) (insert "Resent-cc: " cc "\n"))
(mh-clean-msg-header (point-min)
"^Message-Id:\\|^Received:\\|^Return-Path:\\|^Sender:\\|^Date:\\|^From:"
(message "Redistributing...")
(if mh-redist-full-contents
(call-process "/bin/sh" nil 0 nil "-c"
(format "mhdist=1 mhaltmsg=%s %s -push %s"
(expand-file-name "send" mh-progs)
(call-process "/bin/sh" nil 0 nil "-c"
(format "mhdist=1 mhaltmsg=%s mhannotate=1 %s -push %s"
(mh-msg-filename msg folder)
(expand-file-name "send" mh-progs)
(mh-annotate-msg msg folder mh-note-dist
"-text" (format "\"%s %s\"" to cc))
(message "Redistributing...done"))))
(defun mh-write-msg-to-file (msg file)
"Append MESSAGE to the end of a FILE."
(let ((default-dir (if (eq 'write (car mh-last-destination))
(file-name-directory (cdr mh-last-destination))
(read-file-name "Save message in file: " default-dir
(expand-file-name "mail.out" default-dir)))))
(let ((file-name (mh-msg-filename msg))
(output-file (mh-expand-file-name file)))
(setq mh-last-destination (cons 'write file))
(set-buffer (get-buffer-create " *mh-temp*"))
(insert-file-contents file-name)
(append-to-file (point-min) (point-max) output-file))))
(defun mh-search-folder (folder)
"Search FOLDER for messages matching a pattern."
(interactive (list (mh-prompt-for-folder "Search"
(switch-to-buffer-other-window "pick-pattern")
(if (or (zerop (buffer-size))
(not (y-or-n-p "Reuse pattern? ")))
(setq mh-searching-folder folder))
(defun mh-send (to cc subject)
"Compose and send a letter."
(interactive "sTo: \nsCc: \nsSubject: ")
(let ((config (current-window-configuration)))
(mh-send-sub to cc subject config)))
(defun mh-send-other-window (to cc subject)
"Compose and send a letter in another window.."
(interactive "sTo: \nsCc: \nsSubject: ")
(let ((pop-up-windows t))
(mh-send-sub to cc subject (current-window-configuration))))
(defun mh-send-sub (to cc subject config)
"Do the real work of composing and sending a letter.
Expects the TO, CC, and SUBJECT fields as arguments.
CONFIG is the window configuration before sending mail."
(let ((folder mh-current-folder)
(msg-num (mh-get-msg-num nil)))
(message "Composing a message...")
(let ((draft (mh-read-draft
(expand-file-name "components" mh-user-path))
(expand-file-name "components" mh-user-path)
(expand-file-name "components" mh-lib))
(expand-file-name "components" mh-lib)
(error "Can't find components file")))
(mh-insert-fields "To:" to "Subject:" subject "Cc:" cc)
(set-buffer-modified-p nil)
(message "Composing a message...done")
(mh-compose-and-send-mail draft "" folder msg-num
(defun mh-show (&optional msg)
"Show MESSAGE (default: displayed message).
Forces a two-window display with the folder window on top (size
mh-summary-height) and the show buffer below it."
(setq msg (mh-get-msg-num t)))
(mh-set-mode-name "mh-e show")
(if (not (eql (next-window (minibuffer-window)) (selected-window)))
(delete-other-windows)) ; force ourself to the top window
(let ((folder mh-current-folder))
(mh-show-message-in-other-window)
(mh-display-msg msg folder))
(shrink-window (- (window-height) mh-summary-height))
(if (not (memq msg mh-seen-list)) (mh-push msg mh-seen-list)))
"Sort the messages in the current folder by date."
(mh-process-or-undo-commands mh-current-folder)
(setq mh-next-direction 'forward)
(mh-set-folder-modified-p t) ; lock folder while sorting
(message "Sorting folder...")
(mh-exec-cmd "sortm" mh-current-folder)
(message "Sorting folder...done")
(mh-scan-folder mh-current-folder "all"))
(defun mh-toggle-showing ()
"Toggle the scanning mode/showing mode of displaying messages."
(defun mh-undo (prefix-provided msg-or-seq)
"Undo the deletion or refile of the specified MESSAGE(s).
Default is the displayed message. If (optional) prefix argument is
provided, then prompt for the message sequence."
(interactive (list current-prefix-arg
(mh-read-seq-default "Undo" t)
(mh-mapc (function mh-undo-msg) (mh-seq-to-msgs msg-or-seq)))
((or (looking-at mh-deleted-msg-regexp)
(looking-at mh-refiled-msg-regexp))
(mh-undo-msg (mh-get-msg-num t)))
(error "Nothing to undo")))
;; update the mh-refile-list so mh-outstanding-commands-p will work
(if (not (mh-seq-to-msgs elt))
(setq mh-refile-list (delq elt mh-refile-list)))))
(if (not (mh-outstanding-commands-p))
(mh-set-folder-modified-p nil)))
;; Undo the deletion or refile of one MESSAGE.
(cond ((memq msg mh-delete-list)
(setq mh-delete-list (delq msg mh-delete-list))
(mh-remove-msg-from-seq msg 'deleted t)
(mh-notate msg ? mh-cmd-note))
(mh-mapc (function (lambda (dest)
(mh-remove-msg-from-seq msg dest t)))
(mh-notate msg ? mh-cmd-note))))
(defun mh-undo-folder (&rest ignore)
"Undo all commands in current folder."
(cond ((or mh-do-not-confirm
(yes-or-no-p "Undo all commands in folder? "))
mh-next-direction 'forward)
(with-mh-folder-updating (nil)
(mh-unmark-all-headers t)))
(message "Commands not undone.")
(defun mh-visit-folder (folder &optional range)
"Visit FOLDER and display RANGE of messages."
(interactive (list (mh-prompt-for-folder "Visit" "+inbox" t)
(mh-read-msg-range "Range [all]? ")))
(let ((config (current-window-configuration)))
(mh-scan-folder folder (or range "all"))
(setq mh-previous-window-config config)))
"Remove restrictions from the current folder, thereby showing all messages."
(with-mh-folder-updating (t)
(delete-region (point-min) (point-max))
(mh-make-folder-mode-line))
(setq mh-narrowed-to-seq nil))
(defun mh-delete-a-msg (msg)
(if (looking-at mh-refiled-msg-regexp)
(error "Message %d is refiled. Undo refile before deleting." msg))
(if (looking-at mh-deleted-msg-regexp)
(mh-set-folder-modified-p t)
(mh-push msg mh-delete-list)
(mh-add-msgs-to-seq msg 'deleted t)
(mh-notate msg ?D mh-cmd-note))))
(defun mh-refile-a-msg (msg destination)
;; Refile MESSAGE in FOLDER.
(cond ((looking-at mh-deleted-msg-regexp)
(error "Message %d is deleted. Undo delete before moving." msg))
((looking-at mh-refiled-msg-regexp)
(format "Message %d already refiled. Copy to %s as well? "
(mh-exec-cmd "refile" (mh-get-msg-num t) "-link"
(symbol-name destination))
(message "Message not copied.")))
(mh-set-folder-modified-p t)
(if (not (memq destination mh-refile-list))
(mh-push destination mh-refile-list))
(if (not (memq msg (mh-seq-to-msgs destination)))
(mh-add-msgs-to-seq msg destination t))
(mh-notate msg ?^ mh-cmd-note)))))
(defun mh-display-msg (msg-num folder)
;; Display message NUMBER of FOLDER.
;; Bind variables in folder buffer in case they are local
(let ((formfile mhl-formfile)
(clean-message-header mh-clean-message-header)
(invisible-headers mh-invisible-headers)
(visible-headers mh-visible-headers)
(msg-filename (mh-msg-filename msg-num))
(show-buffer mh-show-buffer)
(folder mh-current-folder))
(if (not (file-exists-p msg-filename))
(error "Message %d does not exist" msg-num))
(switch-to-buffer show-buffer)
(if mh-bury-show-buffer (bury-buffer (current-buffer)))
(mh-when (not (equal msg-filename buffer-file-name))
;; Buffer does not yet contain message.
(clear-visited-file-modtime)
(setq buffer-file-name nil) ; no locking during setup
(mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear"
"-form" formfile msg-filename)
(mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear"
(insert-file-contents msg-filename))
(cond (clean-message-header
(mh-clean-msg-header (point-min)
(let ((case-fold-search t))
"^To:\\|^From:\\|^Subject:\\|^Date:" nil t)
(set-buffer-modified-p nil)
(setq buffer-file-name msg-filename)
(setq mode-line-buffer-identification
(list (format mh-show-buffer-mode-line-buffer-id
(defun mh-invalidate-show-buffer ()
;; Invalidate the show buffer so we must update it to use it.
(if (get-buffer mh-show-buffer)
(set-buffer mh-show-buffer)
(setq buffer-file-name nil))))
(defun mh-show-message-in-other-window ()
(switch-to-buffer-other-window mh-show-buffer)
(if mh-bury-show-buffer (bury-buffer (current-buffer))))
(defun mh-clean-msg-header (start invisible-headers visible-headers)
;; Flush extraneous lines in a message header, from the given POINT to the
;; end of the message header. If VISIBLE-HEADERS is non-nil, it contains a
;; regular expression specifying the lines to display, otherwise
;; INVISIBLE-HEADERS contains a regular expression specifying lines to
;; delete from the header.
(let ((case-fold-search t))
(if (search-forward "\n\n" nil t)
(narrow-to-region start (point))
(while (< (point) (point-max))
(cond ((looking-at visible-headers)
(while (looking-at "^[ \t]+") (forward-line 1)))
(while (looking-at "^[ \t]+")
(while (re-search-forward invisible-headers nil t)
(while (looking-at "^[ \t]+")
(defun mh-delete-line (lines)
;; Delete version of kill-line.
(delete-region (point) (save-excursion (forward-line lines) (point))))
(defun mh-read-draft (use initial-contents delete-contents-file)
;; Read draft file into a draft buffer and make that buffer the current one.
;; USE is a message used for prompting about the intended use of the message.
;; INITIAL-CONTENTS is filename that is read into an empty buffer, or NIL
;; if buffer should not be modified. Delete the initial-contents file if
;; DELETE-CONTENTS-FILE flag is set.
;; Returns the draft folder's name.
;; If the draft folder facility is enabled in ~/.mh_profile, a new buffer is
;; used each time and saved in the draft folder. The draft file can then be
(let ((orig-default-dir default-directory))
(pop-to-buffer (find-file-noselect (mh-new-draft-name) t))
(rename-buffer (format "draft-%s" (buffer-name)))
(setq default-directory orig-default-dir)))
(let ((draft-name (expand-file-name "draft" mh-user-path)))
(pop-to-buffer "draft") ; Create if necessary
(if (y-or-n-p "Draft has been modified; kill anyway? ")
(set-buffer-modified-p nil)
(error "Draft preserved")))
(setq buffer-file-name draft-name)
(clear-visited-file-modtime)
(mh-when (and (file-exists-p draft-name)
(not (equal draft-name initial-contents)))
(insert-file-contents draft-name)
(delete-file draft-name)))))
(mh-when (and initial-contents
(or (zerop (buffer-size))
(format "A draft exists. Use for %s? " use)))))
(insert-file-contents initial-contents)
(if delete-contents-file (delete-file initial-contents)))
(save-buffer)) ; Do not reuse draft name
(defun mh-new-draft-name ()
;; Returns the pathname of folder for draft messages.
(set-buffer (get-buffer-create " *mh-temp*"))
(mh-exec-cmd-output "mhpath" nil mh-draft-folder "new")
(buffer-substring (point) (1- (mark)))))
;; Move backward or forward to the next undeleted message in the buffer.
(if (eq mh-next-direction 'forward)
(mh-next-undeleted-msg 1)
(mh-previous-undeleted-msg 1)))
(defun mh-set-scan-mode ()
;; Display the scan listing buffer, but do not show a message.
(if (get-buffer mh-show-buffer)
(delete-windows-on mh-show-buffer))
(mh-set-mode-name "mh-e scan")
(if mh-recenter-summary-p
(defun mh-maybe-show (&optional msg)
;; If in showing mode, then display the message pointed to by the cursor.
(if mh-showing (mh-show msg)))
(defun mh-set-mode-name (mode-name-string)
;; Set the mode-name and ensure that the mode line is updated.
(setq mode-name mode-name-string)
;; Force redisplay of all buffers' mode lines to be considered.
(save-excursion (set-buffer (other-buffer)))
(set-buffer-modified-p (buffer-modified-p)))
;;; The folder data abstraction.
(defvar mh-current-folder nil "Name of current folder, a string.")
(defvar mh-show-buffer nil "Buffer that displays mesage for this folder.")
(defvar mh-folder-filename nil "Full path of directory for this folder.")
(defvar mh-showing nil "If non-nil, show the message in a separate window.")
(defvar mh-next-seq-num nil "Index of free sequence id.")
(defvar mh-delete-list nil "List of msg numbers to delete.")
(defvar mh-refile-list nil "List of folder names in mh-seq-list.")
(defvar mh-seq-list nil "Alist of (seq . msgs) numbers.")
(defvar mh-seen-list nil "List of displayed messages.")
(defvar mh-next-direction 'forward "Direction to move to next message.")
(defvar mh-narrowed-to-seq nil "Sequence display is narrowed to.")
(defvar mh-first-msg-num nil "Number of first msg in buffer.")
(defvar mh-last-msg-num nil "Number of last msg in buffer.")
(defun mh-make-folder (name)
;; Create and initialize a new mail folder called NAME and make it the
(setq buffer-read-only nil)
(setq buffer-read-only t)
(mh-set-folder-modified-p nil)
(setq buffer-file-name mh-folder-filename)
(mh-set-mode-name "mh-e scan"))
;;; Don't use this mode when creating buffers if default-major-mode is nil.
(put 'mh-folder-mode 'mode-class 'special)
"Major mode for \"editing\" an MH folder scan listing.
Messages can be marked for refiling and deletion. However, both actions
are deferred until you request execution with \\[mh-execute-commands].
A prefix argument (\\[universal-argument]) to delete, refile, list, or undo
applies the action to a message sequence.
Variables controlling mh-e operation are (defaults in parentheses):
Non-nil means that the buffer used to display message is buried.
It will never be offered as the default other buffer.
mh-clean-message-header (nil)
Non-nil means remove header lines matching the regular expression
specified in mh-invisible-headers from messages.
If non-nil, it contains a regexp specifying the headers that are shown in
a message if mh-clean-message-header is non-nil. Setting this variable
overrides mh-invisible-headers.
Non-nil means do not prompt for confirmation before executing some
non-recoverable commands such as mh-kill-folder and mh-undo-folder.
Name of format file to be used by mhl to show messages.
A value of T means use the default format file.
Nil means don't use mhl to format messages.
mh-lpr-command-format (\"lpr -p -J '%s'\")
Format for command used to print a message on a system printer.
mh-recenter-summary-p (nil)
If non-nil, then the scan listing is recentered when the window displaying
a messages is toggled off.
Number of lines in the summary window.
mh-ins-buf-prefix (\">> \")
String to insert before each non-blank line of a message as it is
inserted in a draft letter.
The value of mh-folder-mode-hook is called when a new folder is set up."
(kill-all-local-variables)
(use-local-map mh-folder-mode-map)
(setq major-mode 'mh-folder-mode)
(mh-set-mode-name "mh-e folder")
'mh-current-folder (buffer-name) ; Name of folder, a string
'mh-show-buffer (format "show-%s" (buffer-name)) ; Buffer that displays msgs
'mh-folder-filename ; e.g. "/usr/foobar/Mail/inbox/"
(file-name-as-directory (mh-expand-file-name (buffer-name)))
'mh-showing nil ; Show message also?
'mh-next-seq-num 0 ; Index of free sequence id
'mh-delete-list nil ; List of msgs nums to delete
'mh-refile-list nil ; List of folder names in mh-seq-list
'mh-seq-list nil ; Alist of (seq . msgs) nums
'mh-seen-list nil ; List of displayed messages
'mh-next-direction 'forward ; Direction to move to next message
'mh-narrowed-to-seq nil ; Sequence display is narrowed to
'mh-first-msg-num nil ; Number of first msg in buffer
'mh-last-msg-num nil ; Number of last msg in buffer
'mh-previous-window-config nil) ; Previous window configuration
(setq buffer-offer-save t)
(make-local-variable 'write-file-hooks)
(setq write-file-hooks '(mh-execute-commands))
(make-local-variable 'revert-buffer-function)
(setq revert-buffer-function 'mh-undo-folder)
(run-hooks 'mh-folder-mode-hook))
(defun make-local-vars (&rest pairs)
;; Take VARIABLE-VALUE pairs and makes local variables initialized to the
(make-variable-buffer-local (car pairs))
(set (car pairs) (car (cdr pairs)))
(setq pairs (cdr (cdr pairs)))))
(defun mh-scan-folder (folder range)
;; Scan the FOLDER over the RANGE. Return in the folder's buffer.
(cond ((null (get-buffer folder))
(mh-process-or-undo-commands folder)
(switch-to-buffer folder)))
(mh-regenerate-headers range)
(mh-when (zerop (buffer-size))
(message "Folder %s is empty" folder)
(message "No messages in %s, range %s" folder range))
(defun mh-regenerate-headers (range)
;; Replace buffer with scan of its contents over range RANGE.
(let ((folder mh-current-folder))
(message "Scanning %s..." folder)
(with-mh-folder-updating (nil)
(mh-exec-cmd-output "scan" nil
(cond ((looking-at "scan: no messages in")
(keep-lines mh-valid-scan-line)) ; Flush random scan lines
((looking-at "scan: ")) ; Keep error messages
(keep-lines mh-valid-scan-line))) ; Flush random scan lines
(mh-delete-seq-locally 'cur) ; To pick up new one
(setq mh-seq-list (mh-read-folder-sequences folder nil))
(mh-notate-user-sequences)
(mh-make-folder-mode-line (if (equal range "all")
mh-partial-folder-mode-line-annotation)))
(message "Scanning %s...done" folder)))
(defun mh-get-new-mail (maildrop-name)
;; Read new mail from a maildrop into the current buffer.
;; Return T if there was new mail, NIL otherwise. Return in the current
(let ((point-before-inc (point))
(folder mh-current-folder)
(with-mh-folder-updating (t)
(message (if maildrop-name
(format "inc %s -file %s..." folder maildrop-name)
(format "inc %s..." folder)))
(mh-unmark-all-headers nil)
(setq mh-next-direction 'forward)
(let ((start-of-inc (point)))
(mh-exec-cmd-output "inc" nil folder
"-file" (expand-file-name maildrop-name)
(mh-exec-cmd-output "inc" nil
"-width" (window-width)))
(format "inc %s -file %s...done" folder maildrop-name)
(format "inc %s...done" folder)))
(cond ((looking-at "inc: no mail")
(keep-lines mh-valid-scan-line) ; Flush random scan lines
(goto-char point-before-inc)
(message "No new mail%s%s" (if maildrop-name " in " "")
(if maildrop-name maildrop-name "")))
((re-search-forward "^inc:" nil t) ; Error messages
(mh-delete-seq-locally 'cur) ; To pick up new one
(setq mh-seq-list (mh-read-folder-sequences folder t))
(mh-notate-user-sequences)
(keep-lines mh-valid-scan-line)
(mh-make-folder-mode-line)
(defun mh-make-folder-mode-line (&optional annotation)
;; Set the fields of the mode line for a folder buffer.
;; The optional ANNOTATION string is displayed after the folder's name.
(setq mh-first-msg-num (mh-get-msg-num nil))
(setq mh-last-msg-num (mh-get-msg-num nil))
(let ((lines (count-lines (point-min) (point-max))))
(setq mode-line-buffer-identification
(list (format "{%%b%s} %d msg%s"
(if annotation (format "/%s" annotation) "")
(format "s (%d-%d)" mh-first-msg-num
(format " (%d)" mh-first-msg-num)))))))))
(defun mh-unmark-all-headers (remove-all-flags)
;; Remove all '+' flags from the headers, and if called with a non-nil
;; argument, remove all 'D', '^' and '%' flags too.
;; Optimized for speed (i.e., no regular expressions).
(let ((case-fold-search nil)
(last-line (- (point-max) mh-cmd-note))
(while (<= (point) last-line)
(forward-char mh-cmd-note)
(setq char (following-char))
(if (or (and remove-all-flags
(defun mh-goto-cur-msg ()
;; Position the cursor at the current message.
(let ((cur-msg (car (mh-seq-to-msgs 'cur))))
(mh-goto-msg cur-msg t nil))
(mh-notate nil ?+ mh-cmd-note)
(message "No current message")))))
(defun mh-pack-folder-1 (range)
;; Close and pack the current folder.
(mh-process-or-undo-commands mh-current-folder)
(message "Packing folder...")
(mh-set-folder-modified-p t) ; lock folder while packing
(mh-exec-cmd-quiet " *mh-temp*" "folder" mh-current-folder "-pack"))
(mh-regenerate-headers range))
(defun mh-process-or-undo-commands (folder)
;; If FOLDER has outstanding commands, then either process or discard them.
(if (mh-outstanding-commands-p)
(if (or mh-do-not-confirm
"Process outstanding deletes and refiles (or lose them)? "))
(mh-process-commands folder)
(mh-invalidate-show-buffer)))
(defun mh-process-commands (folder)
;; Process outstanding commands for the folder FOLDER.
(message "Processing deletes and refiles for %s..." folder)
(with-mh-folder-updating (nil)
;; Update the unseen sequence if it exists
(if (and mh-seen-list (mh-seq-to-msgs mh-unseen-seq))
(mh-undefine-sequence mh-unseen-seq mh-seen-list))
(let ((msgs (mh-seq-to-msgs dest)))
(apply 'mh-exec-cmd "refile"
"-src" folder (symbol-name dest) msgs)
(mh-delete-scan-msgs msgs)))))
(apply 'mh-exec-cmd "rmm" folder mh-delete-list)
(mh-delete-scan-msgs mh-delete-list))
;; Don't need to remove sequences since delete and refile do so.
(mh-define-sequence 'cur (list (or (mh-get-msg-num nil) "last"))))
(mh-invalidate-show-buffer)
mh-seq-list (mh-read-folder-sequences mh-current-folder nil)
(mh-unmark-all-headers t)
(mh-notate-user-sequences)
(message "Processing deletes and refiles for %s...done" folder)))
(defun mh-delete-scan-msgs (msgs)
;; Delete the scan listing lines for each of the msgs in the LIST.
;; Optimized for speed (i.e., no regular expressions).
(setq msgs (sort msgs (function <))) ;okay to clobber msgs
(while (and msgs (< (point) (point-max)))
(cond ((= (mh-get-msg-num nil) (car msgs))
(delete-region (point) (save-excursion (forward-line) (point)))
(defun mh-set-folder-modified-p (flag)
"Mark current folder as modified or unmodified according to FLAG."
(set-buffer-modified-p flag))
(defun mh-outstanding-commands-p ()
;; Returns non-nil if there are outstanding deletes or refiles.
(or mh-delete-list mh-refile-list))
;;; Mode for composing and sending a draft message.
(defvar mh-sent-from-folder nil
"Folder of msg associated with this letter.")
(defvar mh-sent-from-msg nil
"Number of msg associated with this letter.")
"Extra arguments to pass to \"send\" command.")
(defvar mh-annotate-char nil
"Character to use to annotate mh-sent-from-msg.")
(defvar mh-annotate-field nil
"Field name for message annotation.")
"Mode for composing letters in mh-e.
When you have finished composing, type \\[mh-send-letter] to send the letter.
Variables controlling this mode (defaults in parentheses):
mh-delete-yanked-msg-window (nil)
If non-nil, \\[mh-yank-cur-msg] will delete any windows displaying
mh-yank-from-start-of-msg (t)
If non-nil, \\[mh-yank-cur-msg] will include the entire message.
If `body', just yank the body (no header).
If nil, only the portion of the message following the point will be yanked.
If there is a region, this variable is ignored.
Upon invoking mh-letter-mode, text-mode-hook and mh-letter-mode-hook are
invoked with no args, if those values are non-nil.
(kill-all-local-variables)
(make-local-variable 'paragraph-start)
(setq paragraph-start (concat "^[ \t]*[-_][-_][-_]+$\\|" paragraph-start))
(make-local-variable 'paragraph-separate)
(concat "^[ \t]*[-_][-_][-_]+$\\|" paragraph-separate))
(make-local-variable 'mh-send-args)
(make-local-variable 'mh-annotate-char)
(make-local-variable 'mh-annotate-field)
(make-local-variable 'mh-previous-window-config)
(make-local-variable 'mh-sent-from-folder)
(make-local-variable 'mh-sent-from-msg)
(use-local-map mh-letter-mode-map)
(setq major-mode 'mh-letter-mode)
(mh-set-mode-name "mh-e letter")
(set-syntax-table mh-letter-mode-syntax-table)
(run-hooks 'text-mode-hook 'mh-letter-mode-hook)
(make-local-variable 'auto-fill-hook)
(setq auto-fill-hook 'mh-auto-fill-for-letter)))
(defun mh-auto-fill-for-letter ()
;; Auto-fill in letters treats the header specially by inserting a tab
;; before continuation line.
;; Return non-nil if the point is in the header of a draft message.
(let ((cur-point (point)))
(re-search-forward "^--------" nil t)
"Move point to the end of a specified header field.
The field is indicated by the previous keystroke. Create the field if
it does not exist. Set the mark to point before moving."
(let ((target (cdr (assoc (logior last-input-char ?`) mh-to-field-choices)))
(cond ((mh-position-on-field target t)
(skip-chars-backward " \t")
(delete-region (point) eol))
(not (looking-at "[:,]")))
(re-search-forward "^To:")
(while (looking-at "^[ \t]") (forward-line 1))
(insert (format "%s \n" target))
"Insert an Fcc: field in the current message.
Prompt for the field name with a completion list of the current folders."
(let ((last-input-char ?\C-f)
(folder (mh-prompt-for-folder "Fcc" "" t)))
(insert (substring folder 1 nil)))))
(defun mh-insert-signature ()
"Insert the file ~/.signature at the current point."
(insert-file-contents "~/.signature")
(set-buffer-modified-p (buffer-modified-p))) ; force mode line update
"Verify recipients of the current letter."
(let ((file-name (buffer-file-name)))
(set-buffer-modified-p t) ; Force writing of contents
(message "Checking recipients...")
(switch-to-buffer-other-window "*Mail Recipients*")
(bury-buffer (current-buffer))
(mh-exec-cmd-output "whom" t file-name)
(message "Checking recipients...done")))
;;; Routines to make a search pattern and search for a message.
(defvar mh-searching-folder nil "Folder this pick is searching.")
(defun mh-make-pick-template ()
;; Initialize the current buffer with a template for a pick pattern.
(kill-all-local-variables)
(make-local-variable 'mh-searching-folder)
(use-local-map mh-pick-mode-map)
(defun mh-do-pick-search ()
"Find messages that match the qualifications in the current pattern buffer.
Messages are searched for in the folder named in mh-searching-folder.
Put messages found in a sequence named `search'."
(let ((pattern-buffer (buffer-name))
(searching-buffer mh-searching-folder)
(cond ((get-buffer searching-buffer)
(set-buffer searching-buffer)
(setq range (format "%d-%d" mh-first-msg-num mh-last-msg-num)))
(mh-make-folder searching-buffer)
(while (setq pattern (mh-next-pick-field pattern-buffer))
(setq msgs (mh-seq-from-command searching-buffer
(nconc (cons "pick" pattern)
(message "Searching...done")
(mh-scan-folder searching-buffer msgs)
(switch-to-buffer searching-buffer))
(mh-notate-seq 'search ?% (1+ mh-cmd-note))))
(defun mh-next-pick-field (buffer)
;; Return the next piece of a pick argument that can be extracted from the
;; BUFFER. Returns nil if no pieces remain.
(let ((case-fold-search t))
((re-search-forward "^\\([a-z].*\\):[ \t]*\\([a-z0-9].*\\)$" nil t)
(downcase (buffer-substring (match-beginning 1)
(pat (buffer-substring (match-beginning 2) (match-end 2))))
((re-search-forward "^-*$" nil t)
(let ((body (buffer-substring (point) (point-max))))
(if (and (> (length body) 0) (not (equal body "\n")))
;;; Routines to compose and send a letter.
(defun mh-compose-and-send-mail (draft send-args
sent-from-folder sent-from-msg
annotate-char annotate-field
;; Edit and compose a draft message in buffer DRAFT and send or save it.
;; SENT-FROM-FOLDER is buffer containing scan listing of current folder, or
;; SENT-FROM-MSG is the message number or sequence name or nil.
;; SEND-ARGS is an optional argument passed to the send command.
;; The TO, SUBJECT, and CC fields are passed to the
;; mh-compose-letter-function.
;; If ANNOTATE-CHAR is non-null, it is used to notate the scan listing of the
;; message. In that case, the ANNOTATE-FIELD is used to build a string
;; CONFIG is the window configuration to restore after sending the letter.
(setq mh-sent-from-folder sent-from-folder)
(setq mh-sent-from-msg sent-from-msg)
(setq mh-send-args send-args)
(setq mh-annotate-char annotate-char)
(setq mh-annotate-field annotate-field)
(setq mh-previous-window-config config)
(setq mode-line-buffer-identification (list "{%b}"))
(if (and (boundp 'mh-compose-letter-function)
(symbol-value 'mh-compose-letter-function))
;; run-hooks will not pass arguments.
(let ((value (symbol-value 'mh-compose-letter-function)))
(if (and (listp value) (not (eq (car value) 'lambda)))
(funcall (car value) to subject cc)
(setq value (cdr value)))
(funcall mh-compose-letter-function to subject cc)))))
(defun mh-send-letter (&optional arg)
"Send the draft letter in the current buffer.
If (optional) prefix argument is provided, monitor delivery.
Run mh-before-send-letter-hook before doing anything."
(run-hooks 'mh-before-send-letter-hook)
(set-buffer-modified-p t) ; Make sure buffer is written
(let ((draft-buffer (current-buffer))
(file-name (buffer-file-name))
(config mh-previous-window-config))
(pop-to-buffer "MH mail delivery")
(mh-exec-cmd-output "send" t "-watch" "-nopush"
"-nodraftfolder" mh-send-args file-name)
(mh-exec-cmd-output "send" t "-watch" "-nopush"
"-nodraftfolder" file-name))
(set-buffer draft-buffer)) ; for annotation below
(mh-exec-cmd-daemon "send" "-nodraftfolder" "-noverbose"
(mh-exec-cmd-daemon "send" "-nodraftfolder" "-noverbose"
(mh-annotate-msg mh-sent-from-msg
"-component" mh-annotate-field
"-text" (format "\"%s %s\""
(y-or-n-p "Kill draft buffer? "))
(kill-buffer draft-buffer)
(set-window-configuration config)))
(message "Sending...done")))
(defun mh-insert-letter (prefix-provided folder msg)
"Insert a message from any folder into the current letter.
Removes the message's headers using mh-invisible-headers.
Prefixes each non-blank line with mh-ins-buf-prefix (default \">> \").
If (optional) prefix argument provided, do not indent and do not delete
Leaves the mark before the letter and point after it."
(mh-prompt-for-folder "Message from" mh-sent-from-folder nil)
(read-input (format "Message number%s: "
(format " [%d]" mh-sent-from-msg)
(narrow-to-region (point) (point))
(let ((start (point-min)))
(if (equal msg "") (setq msg (int-to-string mh-sent-from-msg)))
(mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear"
(mh-expand-file-name folder)))
(mh-when (not prefix-provided)
(mh-clean-msg-header start mh-invisible-headers mh-visible-headers)
(set-mark start) ; since mh-clean-msg-header moves it
(mh-insert-prefix-string mh-ins-buf-prefix)))))
(defun mh-yank-cur-msg ()
"Insert the current message into the draft buffer.
Prefix each non-blank line in the message with the string in
mh-ins-buf-prefix. If a region is set in the message's buffer, then
only the region will be inserted. Otherwise, the entire message will
be inserted if mh-yank-from-start-of-msg is non-nil. If this variable
is nil, the portion of the message following the point will be yanked.
If mh-delete-yanked-msg-window is non-nil, any window displaying the
yanked message will be deleted."
(if (and mh-sent-from-folder mh-sent-from-msg)
(to-buffer (current-buffer)))
(set-buffer mh-sent-from-folder)
(if mh-delete-yanked-msg-window
(delete-windows-on mh-show-buffer))
(set-buffer mh-show-buffer) ; Find displayed message
(let ((mh-ins-str (cond ((mark)
(buffer-substring (point) (mark)))
((eq 'body mh-yank-from-start-of-msg)
(mh-yank-from-start-of-msg
(buffer-substring (point-min) (point-max)))
(buffer-substring (point) (point-max))))))
(narrow-to-region to-point to-point)
(mh-insert-prefix-string mh-ins-buf-prefix)
(error "There is no current message")))
(defun mh-insert-prefix-string (mh-ins-string)
;; Run MH-YANK-HOOK to insert a prefix string before each line in the buffer.
;; Generality for supercite users.
(run-hooks 'mh-yank-hooks)))
(defun mh-fully-kill-draft ()
"Kill the draft message file and the draft message buffer.
Use \\[kill-buffer] if you don't want to delete the draft message file."
(if (y-or-n-p "Kill draft message? ")
(let ((config mh-previous-window-config))
(if (file-exists-p (buffer-file-name))
(delete-file (buffer-file-name)))
(set-buffer-modified-p nil)
(kill-buffer (buffer-name))
(set-window-configuration config)))
(error "Message not killed")))
;; Like recenter but with two improvements: nil arg means recenter,
;; and only does anything if the current buffer is in the selected
;; window. (Commands like save-some-buffers can make this false.)
(if (eql (get-buffer-window (current-buffer))
(recenter (if arg arg '(t)))))
;;; Commands to manipulate sequences. Sequences are stored in an alist
;;; ((seq-name msgs ...) (seq-name msgs ...) ...)
(defun mh-make-seq (name msgs) (cons name msgs))
(defmacro mh-seq-name (pair) (list 'car pair))
(defmacro mh-seq-msgs (pair) (list 'cdr pair))
(defun mh-find-seq (name) (assoc name mh-seq-list))
(defun mh-seq-to-msgs (seq)
"Return a list of the messages in SEQUENCE."
(mh-seq-msgs (mh-find-seq seq)))
(defun mh-seq-containing-msg (msg)
;; Return a list of the sequences containing MESSAGE.
(if (memq msg (mh-seq-msgs (car l)))
(mh-push (mh-seq-name (car l)) seqs))
(defun mh-msg-to-seq (msg)
;; Given a MESSAGE number, return the first sequence in which it occurs.
(car (mh-seq-containing-msg msg)))
(defun mh-read-seq-default (prompt not-empty)
;; Read and return sequence name with default narrowed or previous sequence.
(mh-read-seq prompt not-empty (or mh-narrowed-to-seq mh-previous-seq)))
(defun mh-read-seq (prompt not-empty &optional default)
;; Read and return a sequence name. Prompt with PROMPT, raise an error
;; if the sequence is empty and the NOT-EMPTY flag is non-nil, and supply
;; an optional DEFAULT sequence.
;; A reply of '%' defaults to the first sequence containing the current
(let* ((input (completing-read (format "%s %s %s" prompt "sequence:"
(mh-seq-names mh-seq-list)))
(seq (cond ((equal input "%") (mh-msg-to-seq (mh-get-msg-num t)))
((equal input "") default)
(msgs (mh-seq-to-msgs seq)))
(if (and (null msgs) not-empty)
(error (format "No messages in sequence `%s'" seq)))
(defun mh-read-folder-sequences (folder define-sequences)
;; Read and return the predefined sequences for a FOLDER. If
;; DEFINE-SEQUENCES is non-nil, then define mh-e's sequences before
;; reading MH's sequences.
(mh-when define-sequences
(mh-define-sequences mh-seq-list)
(mh-mapc (function (lambda (seq) ; Save the internal sequences
(if (mh-folder-name-p (mh-seq-name seq))
(mh-exec-cmd-quiet " *mh-temp*" "mark" folder "-list")
(while (re-search-forward "^[^:]+" nil t)
(mh-push (mh-make-seq (intern (buffer-substring (match-beginning 0)
(delete-region (point-min) (point))) ; avoid race with mh-process-daemon
(defun mh-seq-names (seq-list)
;; Return an alist containing the names of the SEQUENCES.
(mapcar (function (lambda (entry) (list (symbol-name (mh-seq-name entry)))))
(defun mh-seq-from-command (folder seq seq-command)
;; In FOLDER, make a sequence named SEQ by executing COMMAND.
;; COMMAND is a list. The first element is a program name
;; and the subsequent elements are its arguments, all strings.
(apply 'mh-exec-cmd-quiet " *mh-temp*" seq-command)
(while (setq msg (car (mh-read-msg-list)))
(setq msgs (nreverse msgs)) ; Put in ascending order
(mh-push (mh-make-seq seq msgs) mh-seq-list)
(defun mh-read-msg-list ()
;; Return a list of message numbers from the current point to the end of
(end-of-line (save-excursion (end-of-line) (point)))
(while (re-search-forward "[0-9]+" end-of-line t)
(setq num (string-to-int (buffer-substring (match-beginning 0)
(cond ((looking-at "-") ; Message range
(re-search-forward "[0-9]+" end-of-line t)
(let ((num2 (string-to-int (buffer-substring (match-beginning 0)
(error "Bad message range: %d-%d" num num2))
((not (zerop num)) (mh-push num msgs))))
(defun mh-remove-seq (seq)
(mh-map-to-seq-msgs 'mh-notate-if-in-one-seq seq ? (1+ mh-cmd-note) seq)
(mh-undefine-sequence seq (list "all"))
(mh-delete-seq-locally seq))
(defun mh-delete-seq-locally (seq)
;; Remove mh-e's record of SEQUENCE.
(let ((entry (mh-find-seq seq)))
(setq mh-seq-list (delq entry mh-seq-list))))
(defun mh-remove-msg-from-seq (msg seq &optional internal-flag)
;; Remove MESSAGE from the SEQUENCE. If optional FLAG is non-nil, do not
;; inform MH of the change.
(let ((entry (mh-find-seq seq)))
(mh-notate-if-in-one-seq msg ? (1+ mh-cmd-note) (mh-seq-name entry))
(mh-undefine-sequence seq (list msg)))
(setcdr entry (delq msg (mh-seq-msgs entry))))))
(defun mh-add-msgs-to-seq (msgs seq &optional internal-flag)
;; Add MESSAGE(s) to the SEQUENCE. If optional FLAG is non-nil, do not mark
;; the message in the scan listing or inform MH of the addition.
(let ((entry (mh-find-seq seq)))
(if (and msgs (atom msgs)) (setq msgs (list msgs)))
(mh-push (mh-make-seq seq msgs) mh-seq-list)
(if msgs (setcdr entry (append msgs (cdr entry)))))
(mh-when (not internal-flag)
(mh-add-to-sequence seq msgs)
(mh-notate-seq seq ?% (1+ mh-cmd-note)))))
(defun mh-rename-seq (seq new-name)
"Rename a SEQUENCE to have a new NAME."
(interactive "SOld sequence name: \nSNew name: ")
(let ((old-seq (mh-find-seq seq)))
(rplaca old-seq new-name)
(error "Sequence %s does not exists" seq))
(mh-undefine-sequence seq (mh-seq-msgs old-seq))
(mh-define-sequence new-name (mh-seq-msgs old-seq))))
(defun mh-notate-user-sequences ()
;; Mark the scan listing of all messages in user-defined sequences.
(setq name (mh-seq-name (car seqs)))
(if (not (mh-internal-seq name))
(mh-notate-seq name ?% (1+ mh-cmd-note)))
(setq seqs (cdr seqs)))))
(defun mh-internal-seq (name)
;; Return non-NIL if NAME is the name of an internal mh-e sequence.
(or (memq name '(answered cur deleted forwarded printed))
(mh-folder-name-p name)))
(defun mh-folder-name-p (name)
;; Return non-NIL if NAME is possibly the name of a folder.
;; A name can be a folder name if it begins with "+".
(eql (aref (symbol-name name) 0) ?+)
(defun mh-notate-seq (seq notation offset)
;; Mark the scan listing of all messages in the SEQUENCE with the CHARACTER
;; at the given OFFSET from the beginning of the listing line.
(mh-map-to-seq-msgs 'mh-notate seq notation offset))
(defun mh-notate-if-in-one-seq (msg notation offset seq)
;; If the MESSAGE is in only the SEQUENCE, then mark the scan listing of the
;; message with the CHARACTER at the given OFFSET from the beginning of the
(let ((in-seqs (mh-seq-containing-msg msg)))
(if (and (eq seq (car in-seqs)) (null (cdr in-seqs)))
(mh-notate msg notation offset))))
(defun mh-map-to-seq-msgs (func seq &rest args)
;; Invoke the FUNCTION at each message in the SEQUENCE, passing the
;; remaining ARGS as arguments.
(let ((msgs (mh-seq-to-msgs seq)))
(if (mh-goto-msg (car msgs) t t)
(apply func (car msgs) args))
(setq msgs (cdr msgs))))))
(defun mh-map-over-seqs (func seq-list)
;; Apply the FUNCTION to each element in the list of SEQUENCES,
;; passing the sequence name and the list of messages as arguments.
(funcall func (mh-seq-name (car seq-list)) (mh-seq-msgs (car seq-list)))
(setq seq-list (cdr seq-list))))
(defun mh-define-sequences (seq-list)
;; Define the sequences in SEQ-LIST.
(mh-map-over-seqs 'mh-define-sequence seq-list))
(defun mh-add-to-sequence (seq msgs)
;; Add to a SEQUENCE each message the list of MSGS.
(if (not (mh-folder-name-p seq))
(apply 'mh-exec-cmd "mark" mh-current-folder
"-sequence" (symbol-name seq)
(defun mh-define-sequence (seq msgs)
;; Define the SEQUENCE to contain the list of MSGS. Do not mark
;; pseudo-sequences or empty sequences.
(not (mh-folder-name-p seq)))
(apply 'mh-exec-cmd "mark" mh-current-folder
"-sequence" (symbol-name seq)
"-add" "-zero" (mh-list-to-string msgs)))))
(defun mh-undefine-sequence (seq msgs)
;; Remove from the SEQUENCE the list of MSGS.
(apply 'mh-exec-cmd "mark" mh-current-folder
"-sequence" (symbol-name seq)
(defun mh-copy-seq-to-point (seq location)
;; Copy the scan listing of the messages in SEQUENCE to after the point
;; LOCATION in the current buffer.
(mh-map-to-seq-msgs 'mh-copy-line-to-point seq location))
(defun mh-copy-line-to-point (msg location)
;; Copy the current line to the LOCATION in the current buffer.
(let ((beginning-of-line (point)))
(copy-region-as-kill beginning-of-line (point))
(goto-char beginning-of-line)))
;;; Issue commands to MH.
(defun mh-exec-cmd (command &rest args)
;; Execute MH command COMMAND with ARGS.
;; Any output is assumed to be an error and is shown to the user.
(set-buffer " *mh-temp*")
(expand-file-name command mh-progs) nil t nil
(mh-list-to-string args))
(switch-to-buffer-other-window " *mh-temp*")
(defun mh-exec-cmd-quiet (buffer command &rest args)
;; In BUFFER, execute MH command COMMAND with ARGS.
;; ARGS is a list of strings. Return in BUFFER, if one exists.
(mh-when (stringp buffer)
(expand-file-name command mh-progs) nil buffer nil
(defun mh-exec-cmd-output (command display &rest args)
;; Execute MH command COMMAND with DISPLAY flag and ARGS putting the output
;; into buffer after point. Set mark after inserted text.
(expand-file-name command mh-progs) nil t display
(mh-list-to-string args))
(exchange-point-and-mark))
(defun mh-exec-cmd-daemon (command &rest args)
;; Execute MH command COMMAND with ARGS. Any output from command is
;; displayed in an asynchronous pop-up window.
(set-buffer (get-buffer-create " *mh-temp*"))
(let ((process (apply 'start-process
(expand-file-name command mh-progs)
(mh-list-to-string args))))
(set-process-filter process 'mh-process-daemon)))
(defun mh-process-daemon (process output)
;; Process daemon that puts output into a temporary buffer.
(set-buffer (get-buffer-create " *mh-temp*"))
(insert-before-markers output)
(display-buffer " *mh-temp*"))
(defun mh-exec-lib-cmd-output (command &rest args)
;; Execute MH library command COMMAND with ARGS.
;; Put the output into buffer after point. Set mark after inserted text.
(expand-file-name command mh-lib) nil t nil
(mh-list-to-string args))
(exchange-point-and-mark))
(defun mh-list-to-string (l)
;; Flattens the list L and makes every element of the new list into a string.
((symbolp (car l)) (mh-push (symbol-name (car l)) new-list))
((numberp (car l)) (mh-push (int-to-string (car l)) new-list))
((stringp (car l)) (mh-push (car l) new-list))
(setq new-list (nconc (nreverse (mh-list-to-string (car l)))
(t (error "Bad element in mh-list-to-string: %s" (car l))))
;;; Commands to annotate a message.
(defun mh-annotate-msg (msg buffer note &rest args)
;; Mark the MESSAGE in BUFFER listing with the character NOTE and annotate
;; the saved message with ARGS.
(apply 'mh-exec-cmd "anno" buffer msg args)
(cond ((get-buffer buffer) ; Buffer may be deleted
(mh-notate-seq msg note (1+ mh-cmd-note))
(mh-notate msg note (1+ mh-cmd-note)))))))
(defun mh-notate (msg notation offset)
;; Marks MESSAGE with the character NOTATION at position OFFSET.
;; Null MESSAGE means the message that the cursor points to.
(with-mh-folder-updating (t)
;;; User prompting commands.
(defun mh-prompt-for-folder (prompt default can-create)
;; Prompt for a folder name with PROMPT. Returns the folder's name.
;; DEFAULT is used if the folder exists and the user types return.
;; If the CAN-CREATE flag is t, then a non-existant folder is made.
(let* ((prompt (format "%s folder%s" prompt
(format " [%s]? " default))))
(if (null mh-folder-list)
(setq mh-folder-list (mh-make-folder-list)))
(while (and (setq name (completing-read prompt mh-folder-list
(cond ((or (equal name "") (equal name "+"))
((not (mh-folder-name-p name))
(setq name (format "+%s" name))))
(let ((new-file-p (not (file-exists-p (mh-expand-file-name name)))))
(format "Folder %s does not exist. Create it? " name)))
(message "Creating %s" name)
(call-process "mkdir" nil nil nil (mh-expand-file-name name))
(message "Creating %s...done" name)
(mh-push (list name) mh-folder-list)
(mh-push (list (substring name 1 nil)) mh-folder-list))
(error "Folder %s is not created" name))
(mh-when (null (assoc name mh-folder-list))
(mh-push (list name) mh-folder-list)
(mh-push (list (substring name 1 nil)) mh-folder-list)))))
(defun mh-make-folder-list ()
"Return a list of the user's folders.
Result is in a form suitable for completing read."
(message "Collecting folder names...")
(mh-exec-cmd-quiet " *mh-temp*" "folders" "-fast"
(mh-push (list (format "+%s" (buffer-substring start (1- (point)))))
(message "Collecting folder names...done")
(defun mh-remove-folder-from-folder-list (folder)
;; Remove FOLDER from the list of folders.
(delq (assoc folder mh-folder-list) mh-folder-list)))
(defun mh-read-msg-range (prompt)
;; Read a list of blank-separated items.
(let* ((buf (read-string prompt))
(while (< start buf-size)
(let ((next (read-from-string buf start buf-size)))
(mh-push (car next) input)
(setq start (cdr next))))
(defun mh-get-msg-num (error-if-no-message)
;; Return the message number of the displayed message. If the argument
;; ERROR-IF-NO-MESSAGE is non-nil, then complain if the cursor is not
;; pointing to a message.
(cond ((looking-at mh-msg-number-regexp)
(string-to-int (buffer-substring (match-beginning 1)
(error "Cursor not pointing to message"))
(defun mh-msg-search-pat (n)
;; Return a search pattern for message N in the scan listing.
(format mh-msg-search-regexp n))
(defun mh-msg-filename (msg &optional folder)
;; Return the file name of MESSAGE in FOLDER (default current folder).
(expand-file-name (int-to-string msg)
(mh-expand-file-name folder)
(defun mh-msg-filenames (msgs &optional folder)
;; Return a list of file names for MSGS in FOLDER (default current folder).
(mapconcat (function (lambda (msg) (mh-msg-filename msg folder))) msgs " "))
(defun mh-expand-file-name (filename &optional default)
"Just like expand-file-name, but also handles MH folder names.
Assumes that any filename that starts with '+' is a folder name."
(if (mh-folder-name-p filename)
(expand-file-name (substring filename 1) mh-user-path)
(expand-file-name filename default)))
;; Set mh-user-path, mh-draft-folder, and mh-unseen-seq from profile file.
;; Be sure profile is fully expanded before switching buffers
(let ((profile (expand-file-name (or (getenv "MH") "~/.mh_profile"))))
(if (not (file-exists-p profile))
(error "Cannot find MH profile %s" profile))
(set-buffer (get-buffer-create " *mh-temp*"))
(insert-file-contents profile)
(setq mh-draft-folder (mh-get-field "Draft-Folder:"))
(cond ((equal mh-draft-folder "")
(setq mh-draft-folder nil))
((not (mh-folder-name-p mh-draft-folder))
(setq mh-draft-folder (format "+%s" mh-draft-folder))))
(setq mh-user-path (mh-get-field "Path:"))
(if (equal mh-user-path "")
(setq mh-user-path "Mail"))
(expand-file-name mh-user-path (expand-file-name "~"))))
(not (file-exists-p (mh-expand-file-name mh-draft-folder))))
(error "Draft folder %s does not exist. Create it and try again."
(setq mh-unseen-seq (mh-get-field "Unseen-Sequence:"))
(if (equal mh-unseen-seq "")
(setq mh-unseen-seq 'unseen)
(setq mh-unseen-seq (intern mh-unseen-seq))))))
(defun mh-get-field (field)
;; Find and return the value of field FIELD in the current buffer.
;; Returns the empty string if the field is not in the message.
(let ((case-fold-search t))
(cond ((not (search-forward field nil t)) "")
((looking-at "[\t ]*$") "")
(re-search-forward "[\t ]*\\([^\t \n].*\\)$" nil t)
(let ((field (buffer-substring (match-beginning 1)
(while (looking-at "[ \t]") (forward-line 1))
(if (<= (point) end-of-match)
(buffer-substring end-of-match (point)))))))))
(defun mh-insert-fields (&rest name-values)
;; Insert the NAME-VALUE pairs in the current buffer.
;; Do not insert any pairs whose value is the empty string.
(let ((case-fold-search t))
(let ((field-name (car name-values))
(value (car (cdr name-values))))
(mh-when (not (equal value ""))
(cond ((not (re-search-forward (format "^%s" field-name) nil t))
(insert field-name " " value "\n"))
(setq name-values (cdr (cdr name-values)))))))
(defun mh-position-on-field (field set-mark)
;; Set point to the end of the line beginning with FIELD.
;; Set the mark to the old value of point, if SET-MARK is non-nil.
(let ((case-fold-search t))
(if set-mark (push-mark))
(if (re-search-backward (format "^%s" field) nil t)
(defun mh-goto-header-end (arg)
;; Find the end of the message header in the current buffer and position
;; the cursor at the ARG'th newline after the header.
(if (re-search-forward "^$\\|^-+$" nil nil)
;;; Build the folder-mode keymap:
(suppress-keymap mh-folder-mode-map)
(define-key mh-folder-mode-map "q" 'mh-quit)
(define-key mh-folder-mode-map "b" 'mh-quit)
(define-key mh-folder-mode-map "?" 'mh-msg-is-in-seq)
(define-key mh-folder-mode-map "%" 'mh-put-msg-in-seq)
(define-key mh-folder-mode-map "|" 'mh-pipe-msg)
(define-key mh-folder-mode-map "\ea" 'mh-edit-again)
(define-key mh-folder-mode-map "\e%" 'mh-delete-msg-from-seq)
(define-key mh-folder-mode-map "\C-xn" 'mh-narrow-to-seq)
(define-key mh-folder-mode-map "\C-xw" 'mh-widen)
(define-key mh-folder-mode-map "\eb" 'mh-burst-digest)
(define-key mh-folder-mode-map "\eu" 'mh-undo-folder)
(define-key mh-folder-mode-map "\e " 'mh-page-digest)
(define-key mh-folder-mode-map "\e\177" 'mh-page-digest-backwards)
(define-key mh-folder-mode-map "\ee" 'mh-extract-rejected-mail)
(define-key mh-folder-mode-map "\ef" 'mh-visit-folder)
(define-key mh-folder-mode-map "\ek" 'mh-kill-folder)
(define-key mh-folder-mode-map "\el" 'mh-list-folders)
(define-key mh-folder-mode-map "\eo" 'mh-write-msg-to-file)
(define-key mh-folder-mode-map "\ep" 'mh-pack-folder)
(define-key mh-folder-mode-map "\es" 'mh-search-folder)
(define-key mh-folder-mode-map "\er" 'mh-rescan-folder)
(define-key mh-folder-mode-map "l" 'mh-print-msg)
(define-key mh-folder-mode-map "t" 'mh-toggle-showing)
(define-key mh-folder-mode-map "c" 'mh-copy-msg)
(define-key mh-folder-mode-map ">" 'mh-write-msg-to-file)
(define-key mh-folder-mode-map "i" 'mh-inc-folder)
(define-key mh-folder-mode-map "x" 'mh-execute-commands)
(define-key mh-folder-mode-map "e" 'mh-execute-commands)
(define-key mh-folder-mode-map "r" 'mh-redistribute)
(define-key mh-folder-mode-map "f" 'mh-forward)
(define-key mh-folder-mode-map "s" 'mh-send)
(define-key mh-folder-mode-map "m" 'mh-send)
(define-key mh-folder-mode-map "a" 'mh-reply)
(define-key mh-folder-mode-map "j" 'mh-goto-msg)
(define-key mh-folder-mode-map "g" 'mh-goto-msg)
(define-key mh-folder-mode-map "\177" 'mh-previous-page)
(define-key mh-folder-mode-map " " 'mh-page-msg)
(define-key mh-folder-mode-map "." 'mh-show)
(define-key mh-folder-mode-map "u" 'mh-undo)
(define-key mh-folder-mode-map "!" 'mh-refile-or-write-again)
(define-key mh-folder-mode-map "^" 'mh-refile-msg)
(define-key mh-folder-mode-map "d" 'mh-delete-msg)
(define-key mh-folder-mode-map "\C-d" 'mh-delete-msg-no-motion)
(define-key mh-folder-mode-map "p" 'mh-previous-undeleted-msg)
(define-key mh-folder-mode-map "n" 'mh-next-undeleted-msg)
(define-key mh-folder-mode-map "o" 'mh-refile-msg)
;;; Build the letter-mode keymap:
(define-key mh-letter-mode-map "\C-c\C-f\C-b" 'mh-to-field)
(define-key mh-letter-mode-map "\C-c\C-f\C-c" 'mh-to-field)
(define-key mh-letter-mode-map "\C-c\C-f\C-f" 'mh-to-fcc)
(define-key mh-letter-mode-map "\C-c\C-f\C-s" 'mh-to-field)
(define-key mh-letter-mode-map "\C-c\C-f\C-t" 'mh-to-field)
(define-key mh-letter-mode-map "\C-c\C-fb" 'mh-to-field)
(define-key mh-letter-mode-map "\C-c\C-fc" 'mh-to-field)
(define-key mh-letter-mode-map "\C-c\C-ff" 'mh-to-fcc)
(define-key mh-letter-mode-map "\C-c\C-fs" 'mh-to-field)
(define-key mh-letter-mode-map "\C-c\C-ft" 'mh-to-field)
(define-key mh-letter-mode-map "\C-c\C-q" 'mh-fully-kill-draft)
(define-key mh-letter-mode-map "\C-c\C-w" 'mh-check-whom)
(define-key mh-letter-mode-map "\C-c\C-i" 'mh-insert-letter)
(define-key mh-letter-mode-map "\C-c\C-y" 'mh-yank-cur-msg)
(define-key mh-letter-mode-map "\C-c\C-s" 'mh-insert-signature)
(define-key mh-letter-mode-map "\C-c\C-c" 'mh-send-letter)
;;; Build the pick-mode keymap:
(define-key mh-pick-mode-map "\C-c\C-c" 'mh-do-pick-search)
(define-key mh-pick-mode-map "\C-c\C-f\C-b" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-f\C-c" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-f\C-f" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-f\C-s" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-f\C-t" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-fb" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-fc" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-ff" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-fs" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-ft" 'mh-to-field)
(define-key mh-pick-mode-map "\C-c\C-w" 'mh-check-whom)
;;; eval: (put 'mh-when 'lisp-indent-hook 1) ***
;;; eval: (put 'with-mh-folder-updating 'lisp-indent-hook 1) ***