;;; qp.el --- Quoted-Printable functions
-;; Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: mail, extensions
(require 'mm-util)
(eval-when-compile (defvar mm-use-ultra-safe-encoding))
+;;;###autoload
(defun quoted-printable-decode-region (from to &optional coding-system)
"Decode quoted-printable in the region between FROM and TO, per RFC 2045.
If CODING-SYSTEM is non-nil, decode bytes into characters with that
coding-system.
Interactively, you can supply the CODING-SYSTEM argument
-with \\[universal-coding-system-argument]."
+with \\[universal-coding-system-argument].
+
+The CODING-SYSTEM argument is a historical hangover and is deprecated.
+QP encodes raw bytes and should be decoded into raw bytes. Decoding
+them into characters should be done separately."
(interactive
;; Let the user determine the coding system with "C-x RET c".
(list (region-beginning) (region-end) coding-system-for-read))
(let ((byte (string-to-int (buffer-substring (1+ (point))
(+ 3 (point)))
16)))
- (insert byte)
- (delete-char 3)
- ;; Why backward-char???
- ;;(unless (eq byte 61) ;; 61 is not ?= in XEmacs
- ;; (backward-char))
- ))
+ (mm-insert-byte byte 1)
+ (delete-char 3)))
(t
- (message "Malformed quoted-printable text")
+ (error "Malformed quoted-printable text")
(forward-char)))))
(if coding-system
(mm-decode-coding-region (point-min) (point-max) coding-system)))))
If `mm-use-ultra-safe-encoding' is set, fold lines unconditionally and
encode lines starting with \"From\"."
(interactive "r")
+ (save-excursion
+ (goto-char from)
+ (if (fboundp 'string-to-multibyte) ; Emacs 22
+ (if (re-search-forward (string-to-multibyte "[^\x0-\x7f\x80-\xff]")
+ to t)
+ ;; Fixme: This is somewhat misleading.
+ (error "Multibyte character in QP encoding region"))
+ (if (re-search-forward (mm-string-as-multibyte "[^\0-\377]") to t)
+ (error "Multibyte character in QP encoding region"))))
(unless class
;; Avoid using 8bit characters. = is \075.
;; Equivalent to "^\000-\007\013\015-\037\200-\377="
(save-excursion
(save-restriction
(narrow-to-region from to)
- ;; We can live with characters between 00-FF.
- (goto-char (point-min))
- (while (not (eobp))
- (if (>= (char-after) 256)
- (error "Multibyte character in QP encoding region"))
- (forward-char))
;; Encode all the non-ascii and control characters.
(goto-char (point-min))
(while (and (skip-chars-forward class)
(not (eobp)))
(insert
(prog1
- (format "=%02X" (char-after))
+ ;; To unibyte in case of Emacs 22 eight-bit.
+ (format "=%02X" (mm-multibyte-char-to-unibyte (char-after)))
(delete-char 1))))
;; Encode white space at the end of lines.
(goto-char (point-min))
(and (boundp 'mm-use-ultra-safe-encoding)
mm-use-ultra-safe-encoding)))
(when (or fold mm-use-ultra-safe-encoding)
- (let ((tab-width 1)) ; HTAB is one character.
+ (let ((tab-width 1)) ; HTAB is one character.
(goto-char (point-min))
(while (not (eobp))
;; In ultra-safe mode, encode "From " at the beginning
(if (looking-at "From ")
(replace-match "From=20" nil t)
(if (looking-at "-")
- (replace-match "=2D" nil t))))
+ (replace-match "=2D" nil t))))
(end-of-line)
;; Fold long lines.
(while (> (current-column) 76) ; tab-width must be 1.