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Annotation of 43BSD/contrib/emacs/lisp/undigest.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: (defun undigestify-rmail-message ()
        !            23:   "Break up a digest message into its constituent messages.
        !            24: Leaves original message, deleted, before the undigestified messages."
        !            25:   (interactive)
        !            26:   (widen)
        !            27:   (let ((buffer-read-only nil)
        !            28:        (msg-string (buffer-substring (rmail-msgbeg rmail-current-message)
        !            29:                                      (rmail-msgend rmail-current-message))))
        !            30:     (goto-char (rmail-msgend rmail-current-message))
        !            31:     (narrow-to-region (point) (point))
        !            32:     (insert msg-string)
        !            33:     (narrow-to-region (point-min) (1- (point-max))))
        !            34:   (let ((error_ t)
        !            35:        (buffer-read-only nil))
        !            36:     (unwind-protect
        !            37:        (progn
        !            38:          (save-restriction
        !            39:            (goto-char (point-min))
        !            40:            (delete-region (point-min)
        !            41:                           (progn (search-forward "\n*** EOOH ***\n")
        !            42:                                  (point)))
        !            43:            (insert "\^_\^L\n0,unseen,,\n*** EOOH ***\n")
        !            44:            (narrow-to-region (point)
        !            45:                              (point-max))
        !            46:            (let* ((fill-prefix "")
        !            47:                   (case-fold-search t)
        !            48:                   (digest-name
        !            49:                    (mail-strip-quoted-names
        !            50:                     (or (save-restriction
        !            51:                           (search-forward "\n\n")
        !            52:                           (narrow-to-region (point-min) (point))
        !            53:                           (goto-char (point-max))
        !            54:                           (or (mail-fetch-field "Reply-To")
        !            55:                               (mail-fetch-field "To")))
        !            56:                         (error "Message is not a digest")))))
        !            57:              (save-excursion
        !            58:                (goto-char (point-max))
        !            59:                (skip-chars-backward " \t\n")
        !            60:                (forward-line -1)
        !            61:                (if (not (looking-at
        !            62:                          (concat "End of.*Digest.*\n"
        !            63:                                  (regexp-quote "*********") "*$")))
        !            64:                    (error "Message is not a digest")))
        !            65:              (re-search-forward (concat "^" (make-string 65 ?-) "-*\n*"))
        !            66:              (replace-match "\^_\^L\n0,unseen,,\n*** EOOH ***\n")
        !            67:              (save-restriction
        !            68:                (narrow-to-region (point)
        !            69:                                  (progn (search-forward "\n\n")
        !            70:                                         (point)))
        !            71:                (if (mail-fetch-field "To") nil
        !            72:                  (goto-char (point-min))
        !            73:                  (insert "To: " digest-name "\n")))
        !            74:              (while (re-search-forward
        !            75:                      (concat "\n\n" (make-string 27 ?-)
        !            76:                              "-?-?-?-?-?-?\n*")
        !            77:                      nil t)
        !            78:                (replace-match "\n\n\^_\^L\n0,unseen,,\n*** EOOH ***\n")
        !            79:                (save-restriction
        !            80:                  (if (looking-at "End ")
        !            81:                      (insert "To: " digest-name "\n\n")
        !            82:                    (narrow-to-region (point)
        !            83:                                      (progn (search-forward "\n\n"
        !            84:                                                             nil 'move)
        !            85:                                             (point))))
        !            86:                  (if (mail-fetch-field "To") nil
        !            87:                    (goto-char (point-min))
        !            88:                    (insert "To: " digest-name "\n"))))))
        !            89:          (setq error_ nil)
        !            90:          (message "Message successfully undigestified")
        !            91:          (let ((n rmail-current-message))
        !            92:            (rmail-forget-messages)
        !            93:            (rmail-show-message n)
        !            94:            (rmail-delete-forward)))
        !            95:       (cond (error_
        !            96:             (delete-region (point-min) (point-max))
        !            97:             (rmail-show-message rmail-current-message))))))
        !            98: 

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