Annotation of 43BSD/contrib/emacs/lisp/rmail.el, revision 1.1

1.1     ! root        1: ;; "RMAIL" mail reader for Emacs.
        !             2: ;; Copyright (C) 1985 Richard M. Stallman.
        !             3: 
        !             4: ;; This file is part of GNU Emacs.
        !             5: 
        !             6: ;; GNU Emacs is distributed in the hope that it will be useful,
        !             7: ;; but WITHOUT ANY WARRANTY.  No author or distributor
        !             8: ;; accepts responsibility to anyone for the consequences of using it
        !             9: ;; or for whether it serves any particular purpose or works at all,
        !            10: ;; unless he says so in writing.  Refer to the GNU Emacs General Public
        !            11: ;; License for full details.
        !            12: 
        !            13: ;; Everyone is granted permission to copy, modify and redistribute
        !            14: ;; GNU Emacs, but only under the conditions described in the
        !            15: ;; GNU Emacs General Public License.   A copy of this license is
        !            16: ;; supposed to have been given to you along with GNU Emacs so you
        !            17: ;; can know your rights and responsibilities.  It should be in a
        !            18: ;; file named COPYING.  Among other things, the copyright notice
        !            19: ;; and this notice must be preserved on all copies.
        !            20: 
        !            21: 
        !            22: ;; Souped up by shane@mit-ajax based on ideas of rlk@mit-clio
        !            23: ;;   New features include attribute and keyword support, message
        !            24: ;;   selection by dispatch table, summary by attributes and keywords,
        !            25: ;;   expunging by dispatch table, sticky options for file commands.
        !            26: 
        !            27: (require 'mail-utils)
        !            28: (provide 'rmail)
        !            29: 
        !            30: ; these variables now declared in loaddefs or paths.el
        !            31: ;(defvar rmail-spool-directory "/usr/spool/mail/"
        !            32: ;  "This is the name of the directory used by the system mailer for\n\
        !            33: ;delivering new mail.  It's name should end with a slash.")
        !            34: ;(defvar rmail-dont-reply-to-names
        !            35: ;  nil
        !            36: ;  "*A regexp specifying names to prune of reply to messages.
        !            37: ;nil means dont reply to yourself.")
        !            38: ;(defvar rmail-ignored-headers
        !            39: ;   "^via:\\|^mail-from:\\|^origin:\\|^status:\\|^received:\\|^message-id:\\|^summary-line:"
        !            40: ;   "*Gubbish headers one would rather not see.")
        !            41: ;(defvar rmail-file-name
        !            42: ;  (expand-file-name "~/RMAIL")
        !            43: ;  "")
        !            44: ;
        !            45: ;(defvar rmail-delete-after-output nil
        !            46: ;  "*Non-nil means automatically delete a message that is copied to a file.")
        !            47: ;
        !            48: ;(defvar rmail-primary-inbox-list 
        !            49: ;  '("/usr/spool/mail/$USER" "~/mbox")
        !            50: ; "")
        !            51: 
        !            52: ;; these may be altered by site-init.el to match the format of mmdf files
        !            53: ;;  delimitation used on a given host (delim1 and delim2 from the config
        !            54: ;;  files)
        !            55: 
        !            56: (defvar mmdf-delim1 "^\001\001\001\001\n"
        !            57:   "Regexp marking the start of an mmdf message")
        !            58: (defvar mmdf-delim2 "^\001\001\001\001\n"
        !            59:   "Regexp marking the end of an mmdf message")
        !            60: 
        !            61: (defvar rmail-message-filter nil
        !            62:   "If non nil, is a filter function for new headers in RMAIL.
        !            63: Called with region narrowed to unformatted header.")
        !            64: 
        !            65: (defvar rmail-mode-map nil)
        !            66: 
        !            67: ;; Message counters and markers.  Deleted flags.
        !            68: 
        !            69: (defvar rmail-current-message nil)
        !            70: (defvar rmail-total-messages nil)
        !            71: (defvar rmail-message-vector nil)
        !            72: (defvar rmail-deleted-vector nil)
        !            73: 
        !            74: ;; These are used by autoloaded rmail-summary.
        !            75: 
        !            76: (defvar rmail-summary-buffer nil)
        !            77: (defvar rmail-summary-vector nil)
        !            78: 
        !            79: ;; `Sticky' default variables.
        !            80: 
        !            81: ;; Last individual label specified to a or k.
        !            82: (defvar rmail-last-label nil)
        !            83: ;; Last set of labels specified to C-M-n or C-M-p or C-M-l.
        !            84: (defvar rmail-last-multi-labels nil)
        !            85: (defvar rmail-last-file (expand-file-name "~/XMAIL"))
        !            86: (defvar rmail-last-rmail-file (expand-file-name "~/XMAIL"))
        !            87: 
        !            88: ;;;; *** Rmail Mode ***
        !            89: 
        !            90: (defun rmail (&optional file-name-arg)
        !            91:   "Read and edit incoming mail.
        !            92: Moves messages into file named by  rmail-file-name  (a babyl format file)
        !            93:  and edits that file in RMAIL Mode.
        !            94: Type \\[describe-mode] once editing that file, for a list of RMAIL commands.
        !            95: 
        !            96: May be called with filename as argument;
        !            97: then performs rmail editing on that file,
        !            98: but does not copy any new mail into the file."
        !            99:   (interactive)
        !           100:   (let* ((file-name (expand-file-name (or file-name-arg rmail-file-name)))
        !           101:         (existed (get-file-buffer file-name))
        !           102:         (convert))
        !           103:     (find-file file-name)
        !           104:     (if existed
        !           105:        nil
        !           106:       (rmail-mode)
        !           107:       ;; If file just read in for first time, and not valid babyl file,
        !           108:       ;; convert it to one, by adding a header and converting each message.
        !           109:       (cond ((looking-at "BABYL OPTIONS:"))
        !           110:            ((looking-at "Version: 5\n")
        !           111:             ;; Losing babyl file made by old version of Rmail.
        !           112:             ;; Just fix the babyl file header; don't make a new one,
        !           113:             ;; so we don't lose the Labels: file attribute, etc.
        !           114:             (let ((buffer-read-only nil))
        !           115:               (insert "BABYL OPTIONS:\n")))
        !           116:            (t
        !           117:             (setq convert t)
        !           118:             (rmail-insert-rmail-file-header)))
        !           119:       ;; If file was not a Babyl file or if there are
        !           120:       ;; Unix format messages added at the end,
        !           121:       ;; convert file as necessary.
        !           122:       (if (or convert
        !           123:              (progn (goto-char (point-max))
        !           124:                     (search-backward "\^_")
        !           125:                     (forward-char 1)
        !           126:                     (looking-at "\n*From ")))
        !           127:          (let ((buffer-read-only nil))
        !           128:            (message "Converting to Babyl format...")
        !           129:            (narrow-to-region (point) (point-max))
        !           130:            (rmail-convert-to-babyl-format)
        !           131:            (message "Converting to Babyl format...done")))
        !           132:       ;; Provide default set of inboxes for primary mail file ~/RMAIL.
        !           133:       (and (null rmail-inbox-list)
        !           134:           (null file-name-arg)
        !           135:           (setq rmail-inbox-list rmail-primary-inbox-list))
        !           136:       (goto-char (point-max))
        !           137:       (if (null rmail-inbox-list)
        !           138:          (progn
        !           139:            (rmail-set-message-counters)
        !           140:            (rmail-show-message))
        !           141:        (rmail-get-new-mail)))))
        !           142: 
        !           143: (defun rmail-insert-rmail-file-header ()
        !           144:   (let ((buffer-read-only nil))
        !           145:     (insert "BABYL OPTIONS:
        !           146: Version: 5
        !           147: Labels:
        !           148: Note:   This is the header of an rmail file.
        !           149: Note:   If you are seeing it in rmail,
        !           150: Note:    it means the file has no messages in it.\n\^_")))
        !           151: 
        !           152: (if rmail-mode-map
        !           153:     nil
        !           154:   (setq rmail-mode-map (make-keymap))
        !           155:   (suppress-keymap rmail-mode-map)
        !           156:   (define-key rmail-mode-map "." 'rmail-beginning-of-message)
        !           157:   (define-key rmail-mode-map " " 'scroll-up)
        !           158:   (define-key rmail-mode-map "\177" 'scroll-down)
        !           159:   (define-key rmail-mode-map "n" 'rmail-next-undeleted-message)
        !           160:   (define-key rmail-mode-map "p" 'rmail-previous-undeleted-message)
        !           161:   (define-key rmail-mode-map "\en" 'rmail-next-message)
        !           162:   (define-key rmail-mode-map "\ep" 'rmail-previous-message)
        !           163:   (define-key rmail-mode-map "\e\C-n" 'rmail-next-labeled-message)
        !           164:   (define-key rmail-mode-map "\e\C-p" 'rmail-previous-labeled-message)
        !           165:   (define-key rmail-mode-map "a" 'rmail-add-label)
        !           166:   (define-key rmail-mode-map "k" 'rmail-kill-label)
        !           167:   (define-key rmail-mode-map "d" 'rmail-delete-forward)
        !           168:   (define-key rmail-mode-map "u" 'rmail-undelete-previous-message)
        !           169:   (define-key rmail-mode-map "e" 'rmail-expunge)
        !           170:   (define-key rmail-mode-map "s" 'rmail-save)
        !           171:   (define-key rmail-mode-map "g" 'rmail-get-new-mail)
        !           172:   (define-key rmail-mode-map "h" 'rmail-summary)
        !           173:   (define-key rmail-mode-map "\e\C-h" 'rmail-summary)
        !           174:   (define-key rmail-mode-map "l" 'rmail-summary-by-labels)
        !           175:   (define-key rmail-mode-map "\e\C-l" 'rmail-summary-by-labels)
        !           176:   (define-key rmail-mode-map "\e\C-r" 'rmail-summary-by-recipients)
        !           177:   (define-key rmail-mode-map "t" 'rmail-toggle-header)
        !           178:   (define-key rmail-mode-map "m" 'rmail-mail)
        !           179:   (define-key rmail-mode-map "r" 'rmail-reply)
        !           180:   (define-key rmail-mode-map "c" 'rmail-continue)
        !           181:   (define-key rmail-mode-map "f" 'rmail-forward)
        !           182:   (define-key rmail-mode-map "\es" 'rmail-search)
        !           183:   (define-key rmail-mode-map "j" 'rmail-show-message)
        !           184:   (define-key rmail-mode-map "o" 'rmail-output-to-rmail-file)
        !           185:   (define-key rmail-mode-map "\C-o" 'rmail-output)
        !           186:   (define-key rmail-mode-map "i" 'rmail-input)
        !           187:   (define-key rmail-mode-map "q" 'rmail-quit)
        !           188:   (define-key rmail-mode-map ">" 'rmail-last-message)
        !           189:   (define-key rmail-mode-map "?" 'describe-mode)
        !           190:   (define-key rmail-mode-map "\C-r" 'rmail-edit-current-message)
        !           191:   (define-key rmail-mode-map "\C-d" 'rmail-delete-backward))
        !           192: 
        !           193: (defun rmail-mode ()
        !           194:   "Rmail Mode is used by \\[rmail] for editing Rmail files.
        !           195: All normal editing commands are turned off.
        !           196: Instead, these commands are available:
        !           197: 
        !           198: .      Move point to front of this message (same as \\[beginning-of-buffer]).
        !           199: SPC    Scroll to next screen of this message.
        !           200: DEL    Scroll to previous screen of this message.
        !           201: n      Move to Next non-deleted message.
        !           202: p      Move to Previous non-deleted message.
        !           203: M-n    Move to Next message whether deleted or not.
        !           204: M-p    Move to Previous message whether deleted or not.
        !           205: >      Move to the last message in Rmail file.
        !           206: j      Jump to message specified by numeric position in file.
        !           207: M-s    Search for string and show message it is found in.
        !           208: d      Delete this message, move to next nondeleted.
        !           209: C-d    Delete this message, move to previous nondeleted.
        !           210: u      Undelete message.  Tries current message, then earlier messages
        !           211:        till a deleted message is found.
        !           212: e      Expunge deleted messages.
        !           213: s      Expunge and save the file.
        !           214: q       Quit Rmail: expunge, save, then switch to another buffer.
        !           215: C-x C-s Save without expunging.
        !           216: g      Move new mail from system spool directory or mbox into this file.
        !           217: m      Mail a message (same as \\[mail-other-window]).
        !           218: c      Continue composing outgoing message started before.
        !           219: r      Reply to this message.  Like m but initializes some fields.
        !           220: f      Forward this message to another user.
        !           221: o       Output this message to an Rmail file (append it).
        !           222: C-o    Output this message to a Unix-format mail file (append it).
        !           223: i      Input Rmail file.  Run Rmail on that file.
        !           224: a      Add label to message.  It will be displayed in the mode line.
        !           225: k      Kill label.  Remove a label from current message.
        !           226: C-M-n   Move to Next message with specified label
        !           227:           (label defaults to last one specified).
        !           228:           Standard labels: filed, unseen, answered, forwarded, deleted.
        !           229:           Any other label is present only if you add it with `a'.
        !           230: C-M-p   Move to Previous message with specified label
        !           231: C-M-h  Show headers buffer, with a one line summary of each message.
        !           232: C-M-l  Like h only just messages with particular label(s) are summarized.
        !           233: C-M-r   Like h only just messages with particular recipient(s) are summarized.
        !           234: t      Toggle header, show Rmail header if unformatted or vice versa.
        !           235: C-r    Edit the current message.  C-c C-c to return to Rmail."
        !           236:   (interactive)
        !           237:   (kill-all-local-variables)
        !           238:   (rmail-mode-1)
        !           239:   (rmail-variables)
        !           240:   (run-hooks 'rmail-mode-hook))
        !           241: 
        !           242: (defun rmail-mode-1 ()
        !           243:   (setq major-mode 'rmail-mode)
        !           244:   (setq mode-name "RMAIL")
        !           245:   (setq buffer-read-only t)
        !           246:   ;; No need to auto save RMAIL files.
        !           247:   (setq buffer-auto-save-file-name nil)
        !           248:   (setq mode-line-format "--- Emacs: %b  %M  %[(%m)%] ----%3p-%-")
        !           249:   (use-local-map rmail-mode-map)
        !           250:   (set-syntax-table text-mode-syntax-table)
        !           251:   (setq local-abbrev-table text-mode-abbrev-table))
        !           252: 
        !           253: (defun rmail-variables ()
        !           254:   (make-local-variable 'rmail-last-label)
        !           255:   (make-local-variable 'rmail-deleted-vector)
        !           256:   (make-local-variable 'rmail-keywords)
        !           257:   (make-local-variable 'rmail-summary-buffer)
        !           258:   (make-local-variable 'rmail-summary-vector)
        !           259:   (make-local-variable 'rmail-current-message)
        !           260:   (make-local-variable 'rmail-total-messages)
        !           261:   (make-local-variable 'require-final-newline)
        !           262:   (setq require-final-newline nil)
        !           263:   (make-local-variable 'version-control)
        !           264:   (setq version-control 'never)
        !           265:   (make-local-variable 'rmail-message-vector)
        !           266:   (make-local-variable 'rmail-last-file)
        !           267:   (make-local-variable 'rmail-inbox-list)
        !           268:   (setq rmail-inbox-list (rmail-parse-file-inboxes)))
        !           269: 
        !           270: ;; Return a list of files from this buffer's Mail: option.
        !           271: ;; Does not assume that messages have been parsed.
        !           272: ;; Just returns nil if buffer does not look like Babyl format.
        !           273: (defun rmail-parse-file-inboxes ()
        !           274:   (save-excursion
        !           275:     (save-restriction
        !           276:       (widen)
        !           277:       (goto-char 1)
        !           278:       (cond ((looking-at "Babyl options:")
        !           279:             (search-forward "\^_" nil 'move)
        !           280:             (narrow-to-region 1 (point))
        !           281:             (goto-char 1)
        !           282:             (if (search-forward "\nMail:" nil t)
        !           283:                 (progn
        !           284:                   (narrow-to-region (point) (progn (end-of-line) (point)))
        !           285:                   (goto-char (point-min))
        !           286:                   (mail-parse-comma-list))))))))
        !           287: 
        !           288: (defun rmail-save ()
        !           289:   "Expunge and save RMAIL file."
        !           290:   (interactive)
        !           291:   (rmail-expunge)
        !           292:   (save-buffer))
        !           293: 
        !           294: (defun rmail-quit ()
        !           295:   "Quit out of RMAIL."
        !           296:   (interactive)
        !           297:   (rmail-save)
        !           298:   ;; Don't switch to the summary buffer even if it was recently visible.
        !           299:   (if rmail-summary-buffer
        !           300:       (bury-buffer rmail-summary-buffer))
        !           301:   (let ((obuf (current-buffer)))
        !           302:     (switch-to-buffer (other-buffer))
        !           303:     (bury-buffer obuf)))
        !           304: 
        !           305: (defun rmail-input (filename)
        !           306:   "Run RMAIL on FILENAME."
        !           307:   (interactive "FRun rmail on RMAIL file: ")
        !           308:   (rmail filename))
        !           309: 
        !           310: 
        !           311: ;;;; *** Rmail input ***
        !           312: 
        !           313: ;; RLK feature not added in this version:
        !           314: ;; argument specifies inbox file or files in various ways.
        !           315: 
        !           316: (defun rmail-get-new-mail (&optional file-name)
        !           317:   "Move any new mail from this RMAIL file's inbox files.
        !           318: The inbox files can be specified with the file's Mail: option.
        !           319: The variable rmail-primary-inbox-list specifies the inboxes for
        !           320: your primary RMAIL file if it has no Mail: option.
        !           321: These are normally your ~/mbox and your /usr/spool/mail/$USER.
        !           322: 
        !           323: You can also specify the file to get new mail from.  In this
        !           324: case, the file of new mail is not changed or deleted.
        !           325: Noninteractively, you can pass the inbox file name as an argument.
        !           326: Interactively, a prefix argument causes us to read a file name
        !           327: and use that file as the inbox."
        !           328:   (interactive
        !           329:    (list (if current-prefix-arg
        !           330:             (read-file-name "Get new mail from file: "))))
        !           331:   (rmail-maybe-set-message-counters)
        !           332:   (widen)
        !           333:   (let ((opoint (point))
        !           334:        (new-messages 0)
        !           335:        (delete-files ())
        !           336:        (buffer-read-only nil))
        !           337:     (goto-char (point-max))
        !           338:     (skip-chars-backward " \t\n")      ; just in case of brain damage
        !           339:     (delete-region (point) (point-max))        ; caused by require-final-newline
        !           340:     (unwind-protect
        !           341:        (save-restriction
        !           342:          (narrow-to-region (point) (point))
        !           343:          ;; Read in the contents of the inbox files,
        !           344:          ;; renaming them as necessary,
        !           345:          ;; and adding to the list of files to delete eventually.
        !           346:          (if file-name
        !           347:              (rmail-insert-inbox-text (list file-name) nil)
        !           348:            (setq delete-files (rmail-insert-inbox-text rmail-inbox-list t)))
        !           349:          ;; Scan the new text and convert each message to babyl format.
        !           350:          (goto-char (point-min))
        !           351:          (save-excursion
        !           352:            (setq new-messages (rmail-convert-to-babyl-format)))
        !           353:          (or (zerop new-messages)
        !           354:              (progn
        !           355:                (widen)
        !           356:                (search-backward "\^_")
        !           357:                (narrow-to-region (point) (point-max))
        !           358:                (goto-char (1+ (point-min)))
        !           359:                (rmail-count-new-messages)))
        !           360:          (save-buffer)
        !           361:          ;; Delete the old files, now that babyl file is saved.
        !           362:          (while delete-files
        !           363:            (condition-case ()
        !           364:                (delete-file (car delete-files))
        !           365:              (file-error nil))
        !           366:            (setq delete-files (cdr delete-files))))
        !           367:       (if (= new-messages 0)
        !           368:          (progn (goto-char opoint)
        !           369:                 (message "(No new mail has arrived)"))
        !           370:        (message "%d new message%s read"
        !           371:                 new-messages (if (= 1 new-messages) "" "s")))
        !           372:       (rmail-show-message))))
        !           373: 
        !           374: (defun rmail-insert-inbox-text (files renamep)
        !           375:   (let (file tofile delete-files movemail)
        !           376:     (while files
        !           377:       (setq file (substitute-in-file-name (car files))
        !           378:            tofile (concat file "~"))
        !           379:       ;; If getting from mail spool directory,
        !           380:       ;; use movemail to move rather than renaming.
        !           381:       (setq movemail (equal (file-name-directory file) rmail-spool-directory))
        !           382:       (if movemail
        !           383:          (progn
        !           384:            (setq tofile (expand-file-name "~/.newmail"))
        !           385:            ;; On some systems, /usr/spool/mail/foo is a directory
        !           386:            ;; and the actual inbox is /usr/spool/mail/foo/foo.
        !           387:            (if (file-directory-p file)
        !           388:                (setq file (substitute-in-file-name
        !           389:                             (concat file "/$USER"))))))
        !           390:       ;; If not renaming, get straight out of the actual inbox.
        !           391:       ;; If renaming, get out of the alternate name if that exists,
        !           392:       ;; otherwise rename the inbox to the alternate name and get from it.
        !           393:       (if renamep
        !           394:          (if (and (not (file-exists-p tofile)) (file-exists-p file))
        !           395:              (if movemail
        !           396:                  (call-process
        !           397:                    (expand-file-name "movemail" exec-directory)
        !           398:                    nil nil nil file tofile)
        !           399:                (rename-file file tofile nil)))
        !           400:        (setq tofile file))
        !           401:       ;; At this point, tofile contains the name to read.
        !           402:       ;; Either the alternate name (if we renamed)
        !           403:       ;; or the actual inbox (if not renaming).
        !           404:       (if (file-exists-p tofile)
        !           405:          (progn (goto-char (point-max))
        !           406:                 (insert-file-contents tofile)
        !           407:                 (goto-char (point-max))
        !           408:                 (or (= (preceding-char) ?\n)
        !           409:                     (insert ?\n))
        !           410:                 (setq delete-files (cons tofile delete-files))))
        !           411:       (setq files (cdr files)))
        !           412:     delete-files))
        !           413: 
        !           414: ;; the  rmail-break-forwarded-messages  feature is not implemented
        !           415: (defun rmail-convert-to-babyl-format ()
        !           416:   (let ((count 0) start
        !           417:        (case-fold-search t))
        !           418:     (goto-char (point-min))
        !           419:     (save-restriction
        !           420:       (while (not (eobp))
        !           421:        (cond ((looking-at "Babyl Options:");Babyl header
        !           422:               (search-forward "\n\^_")
        !           423:               (delete-region (point-min) (point)))
        !           424:              ;; Babyl format message
        !           425:              ((looking-at "\^L")
        !           426:               (or (search-forward "\n\^_" nil t)
        !           427:                   (progn
        !           428:                     (message "Invalid Babyl format in inbox!")
        !           429:                     (sit-for 1)
        !           430:                     (goto-char (point-max))))
        !           431:               (setq count (1+ count))
        !           432:               (skip-chars-forward " \t\n")
        !           433:               (narrow-to-region (point) (point-max)))
        !           434:              ;;*** MMDF format
        !           435:              ((looking-at mmdf-delim1)
        !           436:               (replace-match "\^L\n0,unseen,,\n*** EOOH ***\n")
        !           437:               (setq start (point))
        !           438:               (re-search-forward mmdf-delim2 nil t)
        !           439:               (replace-match "\^_")
        !           440:               (save-excursion
        !           441:                 (save-restriction
        !           442:                   (narrow-to-region start (1- (point)))
        !           443:                   (goto-char (point-min))
        !           444:                   (while (search-forward "\n\^_" nil t); single char "\^_"
        !           445:                     (replace-match "\n^_")))); 2 chars: "^" and "_"
        !           446:               (narrow-to-region (point) (point-max))
        !           447:               (setq count (1+ count)))
        !           448:              ;;*** Mail format
        !           449:              ((looking-at "^From ")
        !           450:               (setq start (point))
        !           451:               (insert "\^L\n0,unseen,,\n*** EOOH ***\n")
        !           452:               (rmail-nuke-pinhead-header)
        !           453:               (if (re-search-forward
        !           454:                    (concat "^[\^_]?\\("
        !           455:                            "From [^ \n]*\\(\\|\".*\"[^ \n]*\\)  ?[^ \n]* [^ \n]* *"
        !           456:                            "[0-9]* [0-9:]* \\(..T \\|\\)" ; EDT
        !           457:                            "19[0-9]*$\\|"
        !           458:                            mmdf-delim1 "\\|"
        !           459:                            "^Babyl Options:\\|"
        !           460:                            "\^L\n[01],\\)") nil t)
        !           461:                   (goto-char (match-beginning 1))
        !           462:                 (goto-char (point-max)))
        !           463:               (setq count (1+ count))
        !           464:               (save-excursion
        !           465:                 (save-restriction
        !           466:                   (narrow-to-region start (point))
        !           467:                   (goto-char (point-min))
        !           468:                   (while (search-forward "\n\^_" nil t); single char
        !           469:                     (replace-match "\n^_")))); 2 chars: "^" and "_"
        !           470:               (insert ?\^_)
        !           471:               (narrow-to-region (point) (point-max)))
        !           472:              ;;
        !           473:              ;;This is a kludge, in case we're wrong about mmdf not
        !           474:              ;;allowing anything in between.  If it loses, we'll have
        !           475:              ;;to look for something else
        !           476:              (t (delete-char 1)))))
        !           477:     count))
        !           478: 
        !           479: (defun rmail-nuke-pinhead-header ()
        !           480:   (save-excursion
        !           481:     (save-restriction
        !           482:       (let ((start (point))
        !           483:            (end (condition-case ()
        !           484:                     (progn (search-forward "\n\n") (point))
        !           485:                   (error (message "Can't find EOH") nil)))
        !           486:            has-from has-date
        !           487:            (case-fold-search t))
        !           488:        (if (not end)
        !           489:            nil
        !           490:          (narrow-to-region start end)
        !           491:          (goto-char start)
        !           492:          (setq has-from (search-forward "\nFrom:" nil t))
        !           493:          (goto-char start)
        !           494:          (setq has-date (and (search-forward "\nDate:" nil t) (point)))
        !           495:          (goto-char start)
        !           496:          (setq case-fold-search nil)
        !           497:          (if (re-search-forward
        !           498:               "^From \\([^ ]*\\(\\|\".*\"[^ ]*\\)\\)  ?\\([^ ]*\\) \\([^ ]*\\) *\\([0-9]*\\) \\([0-9:]*\\)\\( ..T\\|\\) 19\\([0-9]*\\)\n" nil t)
        !           499:              (replace-match
        !           500:               (concat
        !           501:                ;; Keep and reformat the date if we don't have a Date: field.
        !           502:                (if has-date
        !           503:                    ""
        !           504:                  ;; If no time zone specified, assume est.
        !           505:                  (if (= (match-beginning 7) (match-end 7))
        !           506:                      "Date: \\3, \\5 \\4 \\8 \\6 est\n"
        !           507:                    "Date: \\3, \\5 \\4 \\8 \\6\\7\n"))
        !           508:                ;; Keep and reformat the sender if we don't have a From: field.
        !           509:                (if has-from ""
        !           510:                  "From: \\1\n")))))))))
        !           511: 
        !           512: ;;;; *** Rmail Message Formatting and Header Manipulation ***
        !           513: 
        !           514: (defun rmail-reformat-message (beg end)
        !           515:   (goto-char beg)
        !           516:   (forward-line 1)
        !           517:   (if (/= (following-char) ?0)
        !           518:       (error "Bad format in RMAIL file."))
        !           519:   (let ((buffer-read-only nil)
        !           520:        (delta (- (buffer-size) end)))
        !           521:     (delete-char 1)
        !           522:     (insert ?1)
        !           523:     (forward-line 1)
        !           524:     (if (looking-at "Summary-line: ")
        !           525:        (forward-line 1))
        !           526:     (if (looking-at "\\*\\*\\* EOOH \\*\\*\\*\n")
        !           527:        (delete-region (point)
        !           528:                       (progn (forward-line 1) (point))))
        !           529:     (let ((str (buffer-substring (point)
        !           530:                                 (save-excursion (search-forward "\n\n" end 'move)
        !           531:                                                 (point)))))
        !           532:       (insert str "*** EOOH ***\n")
        !           533:       (narrow-to-region (point) (- (buffer-size) delta)))
        !           534:     (goto-char (point-min))
        !           535:     (if rmail-ignored-headers (rmail-clear-headers))
        !           536:     (if rmail-message-filter (funcall rmail-message-filter))))
        !           537: 
        !           538: (defun rmail-clear-headers ()
        !           539:   (if (search-forward "\n\n" nil t)
        !           540:       (save-restriction
        !           541:         (narrow-to-region (point-min) (point))
        !           542:        (let ((buffer-read-only nil))
        !           543:          (while (let ((case-fold-search t))
        !           544:                   (goto-char (point-min))
        !           545:                   (re-search-forward rmail-ignored-headers nil t))
        !           546:            (beginning-of-line)
        !           547:            (delete-region (point)
        !           548:                           (progn (re-search-forward "\n[^ \t]")
        !           549:                                  (forward-char -1)
        !           550:                                  (point))))))))
        !           551: 
        !           552: (defun rmail-toggle-header ()
        !           553:   "Show original message header if pruned header currently shown, or vice versa."
        !           554:   (interactive)
        !           555:   (rmail-maybe-set-message-counters)
        !           556:   (narrow-to-region (rmail-msgbeg rmail-current-message) (point-max))
        !           557:   (let ((buffer-read-only nil))
        !           558:     (goto-char (point-min))
        !           559:     (forward-line 1)
        !           560:     (if (= (following-char) ?1)
        !           561:        (progn (delete-char 1)
        !           562:               (insert ?0)
        !           563:               (forward-line 1)
        !           564:               (if (looking-at "Summary-Line:")
        !           565:                   (forward-line 1))
        !           566:               (insert "*** EOOH ***\n")
        !           567:               (forward-char -1)
        !           568:               (search-forward "\n*** EOOH ***\n")
        !           569:               (forward-line -1)
        !           570:               (let ((temp (point)))
        !           571:                 (and (search-forward "\n\n" nil t)
        !           572:                      (delete-region temp (point))))
        !           573:               (goto-char (point-min))
        !           574:               (search-forward "\n*** EOOH ***\n")
        !           575:               (narrow-to-region (point) (point-max)))
        !           576:       (rmail-reformat-message (point-min) (point-max)))))
        !           577: 
        !           578: ;;;; *** Rmail Attributes and Keywords ***
        !           579: 
        !           580: ;; Make a string describing current message's attributes and keywords
        !           581: ;; and set it up as the name of a minor mode
        !           582: ;; so it will appear in the mode line.
        !           583: (defun rmail-display-labels ()
        !           584:   (let ((blurb ""))
        !           585:     (save-excursion
        !           586:       (save-restriction
        !           587:        (widen)
        !           588:        (goto-char (rmail-msgbeg rmail-current-message))
        !           589:        (forward-line 1)
        !           590:        (if (looking-at "[01],")
        !           591:            (progn
        !           592:              (narrow-to-region (point) (progn (end-of-line) (point)))
        !           593:              (if (search-backward ",," nil 'move)
        !           594:                  (progn
        !           595:                    (if (> (point) (1+ (point-min)))
        !           596:                        (setq blurb (buffer-substring (1+ (point-min)) (point))))
        !           597:                    (if (> (- (point-max) (point)) 2)
        !           598:                        (setq blurb
        !           599:                              (concat blurb
        !           600:                                      ";"
        !           601:                                      (buffer-substring (+ (point) 2)
        !           602:                                                        (1- (point-max))))))))))))
        !           603:     (setq minor-modes
        !           604:          (list (cons 'foo
        !           605:                      (concat rmail-current-message "/" rmail-total-messages
        !           606:                              blurb))))))
        !           607: 
        !           608: ;; Turn an attribute of the current message on or off according to STATE.
        !           609: ;; ATTR is the name of the attribute, as a string.
        !           610: (defun rmail-set-attribute (attr state)
        !           611:   (let ((omax (- (buffer-size) (point-max)))
        !           612:        (omin (- (buffer-size) (point-min)))
        !           613:        (buffer-read-only nil))
        !           614:     (unwind-protect
        !           615:        (save-excursion
        !           616:          (widen)
        !           617:          (goto-char (+ 3 (rmail-msgbeg rmail-current-message)))
        !           618:          (let ((curstate (search-backward (concat "," attr ",")
        !           619:                                           (prog1 (point) (end-of-line)) t)))
        !           620:            (or (eq curstate (not (not state)))
        !           621:                (if curstate
        !           622:                    (delete-region (point) (1- (match-end 0)))
        !           623:                  (beginning-of-line)
        !           624:                  (forward-char 2)
        !           625:                  (insert attr ","))))
        !           626:          (if (string= attr "deleted")
        !           627:              (rmail-set-message-deleted-p rmail-current-message state)))
        !           628:       (narrow-to-region (max 1 (- (buffer-size) omin))
        !           629:                        (- (buffer-size) omax))
        !           630:       (rmail-display-labels))))
        !           631: 
        !           632: ;; Return t if the attributes/keywords line of msg number MSG
        !           633: ;; contains a match for the regexp LABELS.
        !           634: (defun rmail-message-labels-p (msg labels)
        !           635:   (goto-char (rmail-msgbeg msg))
        !           636:   (forward-char 3)
        !           637:   (re-search-backward labels (prog1 (point) (end-of-line)) t))
        !           638: 
        !           639: ;;;; *** Rmail Message Selection And Support ***
        !           640: 
        !           641: (defun rmail-msgend (n)
        !           642:   (marker-position (aref rmail-message-vector (1+ n))))
        !           643: 
        !           644: (defun rmail-msgbeg (n)
        !           645:   (marker-position (aref rmail-message-vector n)))
        !           646: 
        !           647: (defun rmail-widen-to-current-msgbeg (function)
        !           648:   "Call FUNCTION with point at start of internal data of current message.
        !           649: Assumes that bounds were previously narrowed to display the message in Rmail.
        !           650: The bounds are widened enough to move point where desired,
        !           651: then narrowed again afterward.
        !           652: Assumes that the visible text of the message is not changed by FUNCTION."
        !           653:   (save-excursion
        !           654:     (let ((obeg (- (point-max) (point-min)))
        !           655:       (unwind-protect
        !           656:          (progn
        !           657:            (narrow-to-region (rmail-msgbeg rmail-current-message)
        !           658:                              (point-max))
        !           659:            (goto-char (point-min))
        !           660:            (funcall function))
        !           661:        (narrow-to-region (- (point-max) obeg) (point-max)))))))
        !           662: 
        !           663: (defun rmail-forget-messages ()
        !           664:   (unwind-protect
        !           665:       (if (vectorp rmail-message-vector)
        !           666:          (let* ((i 0)
        !           667:                 (v rmail-message-vector)
        !           668:                 (n (length v)))
        !           669:            (while (< i n)
        !           670:              (move-marker (aref v i)  nil)
        !           671:              (setq i (1+ i)))))
        !           672:     (setq rmail-message-vector nil)
        !           673:     (setq rmail-deleted-vector nil)))
        !           674: 
        !           675: (defun rmail-maybe-set-message-counters ()
        !           676:   (if (not (and rmail-deleted-vector
        !           677:                rmail-message-vector
        !           678:                rmail-current-message
        !           679:                rmail-total-messages))
        !           680:       (rmail-set-message-counters)))
        !           681: 
        !           682: (defun rmail-count-new-messages ()
        !           683:   (message "Counting new messages...")
        !           684:   (let* ((case-fold-search nil)
        !           685:         (total-messages 0)
        !           686:         (messages-head nil)
        !           687:         (deleted-head nil))
        !           688:     (goto-char (point-max))
        !           689:     ;; Put at the end of messages-head
        !           690:     ;; the entry for message N+1, which marks
        !           691:     ;; the end of message N.  (N = number of messages).
        !           692:     (search-backward "\^_")
        !           693:     (setq messages-head (list (point-marker)))
        !           694:     (rmail-set-message-counters-counter (point-min))
        !           695:     (setq rmail-current-message (1+ rmail-total-messages))
        !           696:     (setq rmail-total-messages
        !           697:          (+ rmail-total-messages total-messages))
        !           698:     (setq rmail-message-vector
        !           699:          (vconcat rmail-message-vector (cdr messages-head)))
        !           700:     (aset rmail-message-vector
        !           701:          rmail-current-message (car messages-head))
        !           702:     (setq rmail-deleted-vector
        !           703:          (concat rmail-deleted-vector deleted-head))
        !           704:     (setq rmail-summary-vector
        !           705:          (vconcat rmail-summary-vector (make-vector total-messages nil)))
        !           706:     (goto-char (point-min))
        !           707:     (message "Counting new messages...done (%d)" total-messages)))
        !           708: 
        !           709: (defun rmail-set-message-counters ()
        !           710:   (rmail-forget-messages)
        !           711:   (message "Counting messages...")
        !           712:   (save-excursion
        !           713:     (save-restriction
        !           714:       (widen)
        !           715:       (let* ((point-save (point))
        !           716:             (total-messages 0)
        !           717:             (messages-after-point)
        !           718:             (case-fold-search nil)
        !           719:             (messages-head nil)
        !           720:             (deleted-head nil))
        !           721:        (goto-char (point-max))
        !           722:        ;; Put at the end of messages-head
        !           723:        ;; the entry for message N+1, which marks
        !           724:        ;; the end of message N.  (N = number of messages).
        !           725:        (search-backward "\^_")
        !           726:        (setq messages-head (list (point-marker)))
        !           727:        (rmail-set-message-counters-counter (min (point) point-save))
        !           728:        (setq messages-after-point total-messages)
        !           729:        (rmail-set-message-counters-counter)
        !           730:        (setq rmail-total-messages total-messages)
        !           731:        (setq rmail-current-message
        !           732:              (max 1 (- total-messages messages-after-point)))
        !           733:        (setq rmail-message-vector
        !           734:              (apply 'vector (cons (point-min-marker) messages-head))
        !           735:              rmail-deleted-vector (concat "D" deleted-head)
        !           736:              rmail-summary-vector (make-vector rmail-total-messages nil)))))
        !           737:   (message "Counting messages...done"))
        !           738:        
        !           739: (defun rmail-set-message-counters-counter (&optional stop)
        !           740:   (while (search-backward "\^_\^L\n" stop t)
        !           741:     (setq messages-head (cons (point-marker) messages-head))
        !           742:     (save-excursion
        !           743:       (setq deleted-head
        !           744:            (cons (if (search-backward ",deleted,"
        !           745:                                       (prog1 (point)
        !           746:                                         (forward-line 2))
        !           747:                                       t)
        !           748:                      ?D ?\ )
        !           749:                  deleted-head)))
        !           750:     (if (zerop (% (setq total-messages (1+ total-messages)) 20))
        !           751:        (message "Counting messages...%d" total-messages))))
        !           752: 
        !           753: (defun rmail-beginning-of-message ()
        !           754:   "Show current message starting from the beginning."
        !           755:   (interactive)
        !           756:   (rmail-show-message rmail-current-message))
        !           757: 
        !           758: (defun rmail-show-message (&optional n)
        !           759:   "Show message number N (prefix argument), counting from start of file."
        !           760:   (interactive "p")
        !           761:   (rmail-maybe-set-message-counters)
        !           762:   (widen)
        !           763:   (if (zerop rmail-total-messages)
        !           764:       (progn (ding)
        !           765:             (narrow-to-region (point-min) (1- (point-max)))
        !           766:             (setq minor-modes nil))
        !           767:     (let (blurb)
        !           768:       (if (not n)
        !           769:          (setq n rmail-current-message)
        !           770:        (cond ((<= n 0)
        !           771:               (setq n 1
        !           772:                     rmail-current-message 1
        !           773:                     blurb "No previous message"))
        !           774:              ((> n rmail-total-messages)
        !           775:               (setq n rmail-total-messages
        !           776:                     rmail-current-message rmail-total-messages
        !           777:                     blurb "No following message"))
        !           778:              (t
        !           779:               (setq rmail-current-message n))))
        !           780:       (let ((beg (rmail-msgbeg n))
        !           781:            (end (rmail-msgend n)))
        !           782:        (goto-char beg)
        !           783:        (forward-line 1)
        !           784:        (if (= (following-char) ?0)
        !           785:            (progn
        !           786:              (rmail-reformat-message beg end)
        !           787:              (rmail-set-attribute "unseen" nil))
        !           788:          (search-forward "\n*** EOOH ***\n" end t)
        !           789:          (narrow-to-region (point) end))
        !           790:        (goto-char (point-min))
        !           791:        (rmail-display-labels)
        !           792:        (if blurb
        !           793:            (message blurb))))))
        !           794: 
        !           795: (defun rmail-next-message (n)
        !           796:   "Show following message whether deleted or not.
        !           797: With prefix argument N, moves forward N messages,
        !           798: or backward if N is negative."
        !           799:   (interactive "p")
        !           800:   (rmail-maybe-set-message-counters)
        !           801:   (rmail-show-message (+ rmail-current-message n)))
        !           802: 
        !           803: (defun rmail-previous-message (n)
        !           804:   "Show previous message whether deleted or not.
        !           805: With prefix argument N, moves backward N messages,
        !           806: or forward if N is negative."
        !           807:   (interactive "p")
        !           808:   (rmail-next-message (- n)))  
        !           809: 
        !           810: (defun rmail-next-undeleted-message (n)
        !           811:   "Show following non-deleted message.
        !           812: With prefix argument N, moves forward N non-deleted messages,
        !           813: or backward if N is negative."
        !           814:   (interactive "p")
        !           815:   (rmail-maybe-set-message-counters)
        !           816:   (let ((lastwin rmail-current-message)
        !           817:        (current rmail-current-message))
        !           818:     (while (and (> n 0) (< current rmail-total-messages))
        !           819:       (setq current (1+ current))
        !           820:       (if (not (rmail-message-deleted-p current))
        !           821:          (setq lastwin current n (1- n))))
        !           822:     (while (and (< n 0) (> current 1))
        !           823:       (setq current (1- current))
        !           824:       (if (not (rmail-message-deleted-p current))
        !           825:          (setq lastwin current n (1+ n))))
        !           826:     (rmail-show-message lastwin)
        !           827:     (if (< n 0)
        !           828:        (message "No previous nondeleted message"))
        !           829:     (if (> n 0)
        !           830:        (message "No following nondeleted message"))))
        !           831: 
        !           832: (defun rmail-previous-undeleted-message (n)
        !           833:   "Show previous non-deleted message.
        !           834: With prefix argument N, moves backward N non-deleted messages,
        !           835: or forward if N is negative."
        !           836:   (interactive "p")
        !           837:   (rmail-next-undeleted-message (- n)))
        !           838: 
        !           839: (defun rmail-last-message ()
        !           840:   "Show last message in file."
        !           841:   (interactive)
        !           842:   (rmail-maybe-set-message-counters)
        !           843:   (rmail-show-message rmail-total-messages))
        !           844: 
        !           845: (defun rmail-what-message ()
        !           846:   (let ((where (point))
        !           847:        (low 1)
        !           848:        (high rmail-total-messages)
        !           849:        (mid (/ rmail-total-messages 2)))
        !           850:     (while (> (- high low) 1)
        !           851:       (if (>= where (rmail-msgbeg mid))
        !           852:          (setq low mid)
        !           853:        (setq high mid))
        !           854:       (setq mid (+ low (/ (- high low) 2))))
        !           855:     (if (>= where (rmail-msgbeg high)) high low)))
        !           856: 
        !           857: (defvar rmail-search-last-regexp nil)
        !           858: (defun rmail-search (regexp &optional reversep)
        !           859:   "Show message containing next match for REGEXP.
        !           860: Search in reverse (earlier messages) with non-nil 2nd arg REVERSEP.
        !           861: Interactively, empty argument means use same regexp used last time,
        !           862: and reverse search is specified by a negative numeric arg."
        !           863:   (interactive
        !           864:     (let* ((reversep (< (prefix-numeric-value current-prefix-arg) 0))
        !           865:           (prompt (concat (if reversep "Reverse " "") "Rmail search (regexp): "))
        !           866:           regexp)
        !           867:       (if rmail-search-last-regexp
        !           868:          (setq prompt (concat prompt
        !           869:                               "(default "
        !           870:                               rmail-search-last-regexp
        !           871:                               ") ")))
        !           872:       (setq regexp (read-string prompt))
        !           873:       (cond ((not (equal regexp ""))
        !           874:             (setq rmail-search-last-regexp regexp))
        !           875:            ((not rmail-search-last-regexp)
        !           876:             (error "No previous Rmail search string")))
        !           877:       (list rmail-search-last-regexp reversep)))
        !           878:   (message "%sRmail search for %s..."
        !           879:           (if reversep "Reverse " "")
        !           880:           regexp)
        !           881:   (let ((omin (point-min))
        !           882:        (omax (point-max))
        !           883:        (opoint (point))
        !           884:        win
        !           885:        (msg rmail-current-message))
        !           886:     (unwind-protect
        !           887:        (if (funcall (if reversep 're-search-backward 're-search-backward)
        !           888:                     regexp nil t)
        !           889:            (setq win t)
        !           890:          (widen)
        !           891:          (if reversep
        !           892:              (while (and (null win) (> msg 1))
        !           893:                (goto-char (rmail-msgend (setq msg (1- msg))))
        !           894:                (setq win (re-search-backward
        !           895:                           regexp (rmail-msgbeg msg) t)))
        !           896:              (while (and (null win) (< msg rmail-total-messages))
        !           897:                (goto-char (rmail-msgbeg (setq msg (1+ msg))))
        !           898:                (setq win (re-search-forward regexp (rmail-msgend msg) t)))))
        !           899:       (if win
        !           900:          (progn
        !           901:            (setq win (point))
        !           902:            (rmail-show-message msg)
        !           903:            (message "%sRmail search for %s...done"
        !           904:                     (if reversep "Reverse " "")
        !           905:                     regexp)
        !           906:            (goto-char win))
        !           907:        (goto-char opoint)
        !           908:        (narrow-to-region omin omax)
        !           909:        (ding)
        !           910:        (message "Searched failed: %s" regexp)))))
        !           911: 
        !           912: ;;;; *** Rmail Message Deletion Commands ***
        !           913: 
        !           914: (defun rmail-message-deleted-p (n)
        !           915:   (= (aref rmail-deleted-vector n) ?D))
        !           916: 
        !           917: (defun rmail-set-message-deleted-p (n state)
        !           918:   (aset rmail-deleted-vector n (if state ?D ?\ )))
        !           919: 
        !           920: (defun rmail-delete-message ()
        !           921:   "Delete this message and stay on it."
        !           922:   (interactive)
        !           923:   (rmail-set-attribute "deleted" t))
        !           924: 
        !           925: (defun rmail-undelete-previous-message ()
        !           926:   "Back up to deleted message, select it, and undelete it."
        !           927:   (interactive)
        !           928:   (let ((msg rmail-current-message))
        !           929:     (while (and (> msg 0)
        !           930:                (not (rmail-message-deleted-p msg)))
        !           931:       (setq msg (1- msg)))
        !           932:     (if (= msg 0)
        !           933:        (error "No previous deleted message")
        !           934:       (rmail-show-message msg)
        !           935:       (rmail-set-attribute "deleted" nil))))
        !           936: 
        !           937: (defun rmail-delete-forward (&optional backward)
        !           938:   "Delete this message and move to next nondeleted one.
        !           939: Deleted messages stay in the file until the \\[rmail-expunge] command is given.
        !           940: With prefix argument, delete and move backward."
        !           941:   (interactive "P")
        !           942:   (rmail-set-attribute "deleted" t)
        !           943:   (rmail-next-undeleted-message (if backward -1 1)))
        !           944: 
        !           945: (defun rmail-delete-backward ()
        !           946:   "Delete this message and move to previous nondeleted one.
        !           947: Deleted messages stay in the file until the \\[rmail-expunge] command is given."
        !           948:   (interactive)
        !           949:   (rmail-delete-forward t))
        !           950: 
        !           951: (defun rmail-expunge ()
        !           952:   "Actually erase all deleted messages in the file."
        !           953:   (interactive)
        !           954:   (message "Expunging deleted messages...")
        !           955:   (rmail-maybe-set-message-counters)
        !           956:   (let* ((omax (- (buffer-size) (point-max)))
        !           957:         (omin (- (buffer-size) (point-min)))
        !           958:         (messages-head (cons (aref rmail-message-vector 0) nil))
        !           959:         (messages-tail messages-head)
        !           960:         (win))
        !           961:     (unwind-protect
        !           962:        (save-excursion
        !           963:          (widen)
        !           964:          (goto-char (point-min))
        !           965:          (let ((counter 0)
        !           966:                (number 1)
        !           967:                (total rmail-total-messages)
        !           968:                (new-message-number rmail-current-message)
        !           969:                (new-summary nil)
        !           970:                (buffer-read-only nil)
        !           971:                (messages rmail-message-vector)
        !           972:                (deleted rmail-deleted-vector)
        !           973:                (summary rmail-summary-vector))
        !           974:            (setq rmail-total-messages nil
        !           975:                  rmail-current-message nil
        !           976:                  rmail-message-vector nil
        !           977:                  rmail-deleted-vector nil
        !           978:                  rmail-summary-vector nil)
        !           979:            (while (<= number total)
        !           980:              (if (= (aref deleted number) ?D)
        !           981:                  (progn
        !           982:                    (delete-region
        !           983:                      (marker-position (aref messages number))
        !           984:                      (marker-position (aref messages (1+ number))))
        !           985:                    (move-marker (aref messages number) nil)
        !           986:                    (if (> new-message-number counter)
        !           987:                        (setq new-message-number (1- new-message-number))))
        !           988:                (setq counter (1+ counter))
        !           989:                (setq messages-tail
        !           990:                      (setcdr messages-tail
        !           991:                              (cons (aref messages number) nil)))
        !           992:                (setq new-summary
        !           993:                      (cons (if (= counter number) (aref summary (1- number)))
        !           994:                            new-summary)))
        !           995:              (if (zerop (% (setq number (1+ number)) 20))
        !           996:                  (message "Expunging deleted messages...%d" number)))
        !           997:            (setq messages-tail
        !           998:                  (setcdr messages-tail
        !           999:                          (cons (aref messages number) nil)))
        !          1000:            (setq rmail-current-message new-message-number
        !          1001:                  rmail-total-messages counter
        !          1002:                  rmail-message-vector (apply 'vector messages-head)
        !          1003:                  rmail-deleted-vector (make-string (1+ counter) ?\ )
        !          1004:                  rmail-summary-vector (vconcat (nreverse new-summary))
        !          1005:                  win t)))
        !          1006:       (message "Expunging deleted messages...done")
        !          1007:       (if (not win)
        !          1008:          (narrow-to-region (- (buffer-size) omin) (- (buffer-size) omax)))
        !          1009:       (rmail-show-message
        !          1010:        (if (zerop rmail-current-message) 1 nil)))))
        !          1011: 
        !          1012: ;;;; *** Rmail Mailing Commands ***
        !          1013: 
        !          1014: (defun rmail-mail ()
        !          1015:   "Send mail in another window.
        !          1016: While composing the message, use \\[mail-yank-original] to yank the
        !          1017: original message into it."
        !          1018:   (interactive)
        !          1019:   (mail-other-window nil nil nil nil nil (current-buffer)))
        !          1020: 
        !          1021: (defun rmail-continue ()
        !          1022:   "Continue composing outgoing message previously being composed."
        !          1023:   (interactive)
        !          1024:   (mail-other-window t))
        !          1025: 
        !          1026: (defun rmail-reply (just-sender)
        !          1027:   "Reply to the current message.
        !          1028: Normally include CC: to all other recipients of original message;
        !          1029: prefix argument means ignore them.
        !          1030: While composing the reply, use \\[mail-yank-original] to yank the
        !          1031: original message into it."
        !          1032:   (interactive "P")
        !          1033:   ;;>> this gets set even if we abort. Can't do anything about it, though.
        !          1034:   (rmail-set-attribute "answered" t)
        !          1035:   (rmail-display-labels)
        !          1036:   (let (from reply-to cc subject date to)
        !          1037:     (save-excursion
        !          1038:       (save-restriction
        !          1039:        (widen)
        !          1040:        (goto-char (rmail-msgbeg rmail-current-message))
        !          1041:        (forward-line 1)
        !          1042:        (if (= (following-char) ?0)
        !          1043:            (narrow-to-region
        !          1044:             (progn (forward-line 2)
        !          1045:                    (point))
        !          1046:             (progn (search-forward "\n\n" (rmail-msgend rmail-current-message)
        !          1047:                                    'move)
        !          1048:                    (point)))
        !          1049:          (narrow-to-region (point)
        !          1050:                            (progn (search-forward "\n*** EOOH ***\n")
        !          1051:                                   (beginning-of-line) (point))))
        !          1052:        (setq from (mail-fetch-field "from")
        !          1053:              reply-to (or (mail-fetch-field "resent-reply-to" t)
        !          1054:                           (mail-fetch-field "reply-to" nil t)
        !          1055:                           from)
        !          1056:              cc (if (not just-sender) (mail-fetch-field "cc" nil t))
        !          1057:              subject (mail-fetch-field "subject")
        !          1058:              date (mail-fetch-field "date")
        !          1059:              to (or (mail-fetch-field "to" nil t)
        !          1060:                     ; (mail-fetch-field "apparently-to") ack gag barf
        !          1061:                     ""))))
        !          1062:     (and subject
        !          1063:         (string-match "^Re: " subject)
        !          1064:         (setq subject (substring subject 4)))
        !          1065:     (mail-other-window nil
        !          1066:       (mail-strip-quoted-names reply-to)
        !          1067:       subject
        !          1068:       (let ((stop-pos (string-match "  *at \\|  *@ \\| *(\\| *<" from)))
        !          1069:        (concat (if stop-pos (substring from 0 stop-pos) from)
        !          1070:                "'s message of " date))
        !          1071:       (if just-sender
        !          1072:          nil
        !          1073:        (let* ((cc-list (rmail-dont-reply-to
        !          1074:                          (mail-strip-quoted-names
        !          1075:                            (if (null cc) to (concat to ", " cc))))))
        !          1076:          (if (string= cc-list "") nil cc-list)))
        !          1077:       (current-buffer))))
        !          1078: 
        !          1079: (defun rmail-forward ()
        !          1080:   "Forward the current message to another user."
        !          1081:   (interactive)
        !          1082:   ;;>> this gets set even if we abort. Can't do anything about it, though.
        !          1083:   (rmail-set-attribute "forwarded" t)
        !          1084:   (let ((forward-buffer (current-buffer))
        !          1085:        (subject (concat "["
        !          1086:                         (mail-strip-quoted-names (mail-fetch-field "From"))
        !          1087:                         ": " (or (mail-fetch-field "Subject") "") "]")))
        !          1088:     (if (mail-other-window nil nil subject)
        !          1089:        (save-excursion
        !          1090:          (goto-char (point-max))
        !          1091:          (forward-line 1)
        !          1092:          (insert-buffer forward-buffer)))))
        !          1093: 
        !          1094: 
        !          1095: ;;;; *** Rmail Specify Inbox Files ***
        !          1096: 
        !          1097: (autoload 'set-rmail-inbox-list "rmailmsc"
        !          1098:   "Set the inbox list of the current RMAIL file to FILE-NAME.
        !          1099: This may be a list of file names separated by commas.
        !          1100: If FILE-NAME is empty, remove any inbox list."
        !          1101:   t)
        !          1102: 
        !          1103: ;;;; *** Rmail Commands for Labels ***
        !          1104: 
        !          1105: (autoload 'rmail-add-label "rmailkwd"
        !          1106:   "Add LABEL to labels associated with current RMAIL message.
        !          1107: Completion is performed over known labels when reading."
        !          1108:   t)
        !          1109: 
        !          1110: (autoload 'rmail-kill-label "rmailkwd"
        !          1111:   "Remove LABEL from labels associated with current RMAIL message.
        !          1112: Completion is performed over known labels when reading."
        !          1113:   t)
        !          1114: 
        !          1115: (autoload 'rmail-next-labeled-message "rmailkwd"
        !          1116:   "Show next message with LABEL.  Defaults to last label used.
        !          1117: With prefix argument N moves forward N messages with this label."
        !          1118:   t)
        !          1119: 
        !          1120: (autoload 'rmail-previous-labeled-message "rmailkwd"
        !          1121:   "Show previous message with LABEL.  Defaults to last label used.
        !          1122: With prefix argument N moves backward N messages with this label."
        !          1123:   t)
        !          1124: 
        !          1125: ;;;; *** Rmail Edit Mode ***
        !          1126: 
        !          1127: (autoload 'rmail-edit-current-message "rmailedit"
        !          1128:   "Edit the contents of the current message"
        !          1129:   t)
        !          1130: 
        !          1131: ;;;; *** Rmail Summary Mode ***
        !          1132: 
        !          1133: (autoload 'rmail-summary "rmailsum"
        !          1134:   "Display a summary of all messages, one line per message."
        !          1135:   t)
        !          1136: 
        !          1137: (autoload 'rmail-summary-by-labels "rmailsum"
        !          1138:   "Display a summary of all messages with one or more LABELS.
        !          1139: LABELS should be a string containing the desired labels, separated by commas."
        !          1140:   t)
        !          1141: 
        !          1142: (autoload 'rmail-summary-by-recipients "rmailsum"
        !          1143:   "Display a summary of all messages with the given RECIPIENTS.
        !          1144: Normally checks the To, From and Cc fields of headers;
        !          1145: but if PRIMARY-ONLY is non-nil (prefix arg given),
        !          1146:  only look in the To and From fields.
        !          1147: RECIPIENTS is a string of names separated by commas."
        !          1148:   t)
        !          1149: 
        !          1150: ;;;; *** Rmail output messages to files ***
        !          1151: 
        !          1152: (autoload 'rmail-output-to-rmail-file "rmailout"
        !          1153:   "Append the current message to an Rmail file named FILE-NAME.
        !          1154: If the file does not exist, ask if it should be created.
        !          1155: If file is being visited, the message is appended to the Emacs
        !          1156: buffer visiting that file."
        !          1157:   t)
        !          1158: 
        !          1159: (autoload 'rmail-output "rmailout"
        !          1160:   "Append this message to Unix mail file named FILE-NAME."
        !          1161:   t)
        !          1162: 
        !          1163: ;;;; *** Rmail undigestification ***
        !          1164: 
        !          1165: (autoload 'undigestify-rmail-message "undigest"
        !          1166:   "Break up a digest message into its constituent messages.
        !          1167: Leaves original message, deleted, before the undigestified messages."
        !          1168:   t)

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