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Annotation of GNUtools/emacs/lisp/undigest.el, revision 1.1

1.1     ! root        1: ;; "RMAIL" mail reader for Emacs.
        !             2: ;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
        !             3: 
        !             4: ;; This file is part of GNU Emacs.
        !             5: 
        !             6: ;; GNU Emacs is free software; you can redistribute it and/or modify
        !             7: ;; it under the terms of the GNU General Public License as published by
        !             8: ;; the Free Software Foundation; either version 1, or (at your option)
        !             9: ;; any later version.
        !            10: 
        !            11: ;; GNU Emacs is distributed in the hope that it will be useful,
        !            12: ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13: ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            14: ;; GNU General Public License for more details.
        !            15: 
        !            16: ;; You should have received a copy of the GNU General Public License
        !            17: ;; along with GNU Emacs; see the file COPYING.  If not, write to
        !            18: ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
        !            19: 
        !            20: ;; note Interent RFP934
        !            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:                               (mail-fetch-field "Apparently-To")))
        !            57:                         (error "Message is not a digest")))))
        !            58:              (save-excursion
        !            59:                (goto-char (point-max))
        !            60:                (skip-chars-backward " \t\n")
        !            61:                (let ((count 10) found)
        !            62:                  ;; compensate for broken un*x digestifiers.  Sigh Sigh.
        !            63:                  (while (and (> count 0) (not found))
        !            64:                    (forward-line -1)
        !            65:                    (setq count (1- count))
        !            66:                    (if (looking-at (concat "End of.*Digest.*\n"
        !            67:                                            (regexp-quote "*********") "*"
        !            68:                                            "\\(\n------*\\)*"))
        !            69:                        (setq found t)))
        !            70:                  (if (not found) (error "Message is not a digest"))))
        !            71:              (re-search-forward (concat "^" (make-string 55 ?-) "-*\n*"))
        !            72:              (replace-match "\^_\^L\n0, unseen,,\n*** EOOH ***\n")
        !            73:              (save-restriction
        !            74:                (narrow-to-region (point)
        !            75:                                  (progn (search-forward "\n\n")
        !            76:                                         (point)))
        !            77:                (if (mail-fetch-field "To") nil
        !            78:                  (goto-char (point-min))
        !            79:                  (insert "To: " digest-name "\n")))
        !            80:              (while (re-search-forward
        !            81:                      (concat "\n\n" (make-string 27 ?-) "-*\n*")
        !            82:                      nil t)
        !            83:                (replace-match "\n\n\^_\^L\n0, unseen,,\n*** EOOH ***\n")
        !            84:                (save-restriction
        !            85:                  (if (looking-at "End ")
        !            86:                      (insert "To: " digest-name "\n\n")
        !            87:                    (narrow-to-region (point)
        !            88:                                      (progn (search-forward "\n\n"
        !            89:                                                             nil 'move)
        !            90:                                             (point))))
        !            91:                  (if (mail-fetch-field "To") nil
        !            92:                    (goto-char (point-min))
        !            93:                    (insert "To: " digest-name "\n"))))))
        !            94:          (setq error nil)
        !            95:          (message "Message successfully undigestified")
        !            96:          (let ((n rmail-current-message))
        !            97:            (rmail-forget-messages)
        !            98:            (rmail-show-message n)
        !            99:            (rmail-delete-forward)))
        !           100:       (cond (error
        !           101:             (narrow-to-region (point-min) (1+ (point-max)))
        !           102:             (delete-region (point-min) (point-max))
        !           103:             (rmail-show-message rmail-current-message))))))
        !           104: 

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