(mode-popup-menu): Add defvar.

[gnu-emacs] / lisp / gnus / qp.el

diff --git a/lisp/gnus/qp.el b/lisp/gnus/qp.el
index e7bff13b918f85bb5708f0c95b816f6fb36eac1d..bd0a1b4b5a5ee02ae8d6bc8efb00c437a87d25b3 100644 (file)
--- a/lisp/gnus/qp.el
+++ b/lisp/gnus/qp.el
@@ -1,6 +1,7 @@
 ;;; qp.el --- Quoted-Printable functions
 
-;; Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+;;   2005 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: mail, extensions
@@ -19,8 +20,8 @@
 
 ;; You should have received a copy of the GNU General Public License
 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
 
 ;;; Commentary:
 
@@ -32,10 +33,18 @@
 (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."
+coding-system.
+
+Interactively, you can supply the 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))
@@ -60,23 +69,23 @@ coding-system."
          (cond ((eq (char-after (1+ (point))) ?\n)
                 (delete-char 2))
                ((looking-at "=[0-9A-F][0-9A-F]")
-                (let ((byte (string-to-int (buffer-substring (1+ (point))
-                                                             (+ 3 (point)))
-                                           16)))
-                  (insert byte)
-                  (delete-char 3)
-                  (unless (eq byte ?=)
-                    (backward-char))))
+                (let ((byte (string-to-number (buffer-substring (1+ (point))
+                                                                (+ 3 (point)))
+                                              16)))
+                  (mm-insert-byte byte 1)
+                  (delete-char 3)))
                (t
-                (error "Malformed quoted-printable text")
+                (message "Malformed quoted-printable text")
                 (forward-char)))))
       (if coding-system
          (mm-decode-coding-region (point-min) (point-max) coding-system)))))
 
 (defun quoted-printable-decode-string (string &optional coding-system)
   "Decode the quoted-printable encoded STRING and return the result.
-If CODING-SYSTEM is non-nil, decode the region with coding-system."
-  (with-temp-buffer
+If CODING-SYSTEM is non-nil, decode the region with coding-system.
+Use of CODING-SYSTEM is deprecated; this function should deal with
+raw bytes, and coding conversion should be done separately."
+  (mm-with-unibyte-buffer
     (insert string)
     (quoted-printable-decode-region (point-min) (point-max) coding-system)
     (buffer-string)))
@@ -92,18 +101,15 @@ You should probably avoid non-ASCII characters in this arg.
 If `mm-use-ultra-safe-encoding' is set, fold lines unconditionally and
 encode lines starting with \"From\"."
   (interactive "r")
-  ;; Fixme: what should this do in XEmacs/Mule?
-  (if (fboundp 'find-charset-region)   ; else XEmacs, non-Mule
-      (if (delq 'unknown               ; Emacs 20 unibyte
-               (delq 'eight-bit-graphic ; Emacs 21
-                     (delq 'eight-bit-control
-                           (delq 'ascii (find-charset-region from to)))))
-         (error "Multibyte character in QP encoding region")))
   (unless class
     ;; Avoid using 8bit characters. = is \075.
     ;; Equivalent to "^\000-\007\013\015-\037\200-\377="
     (setq class "\010-\012\014\040-\074\076-\177"))
   (save-excursion
+    (goto-char from)
+    (if (re-search-forward (mm-string-to-multibyte "[^\x0-\x7f\x80-\xff]")
+                          to t)
+       (error "Multibyte character in QP encoding region"))
     (save-restriction
       (narrow-to-region from to)
       ;; Encode all the non-ascii and control characters.
@@ -112,7 +118,8 @@ encode lines starting with \"From\"."
                  (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))
@@ -157,4 +164,5 @@ encode lines starting with \"From\"."
 
 (provide 'qp)
 
+;;; arch-tag: db89e52a-e4a1-4b69-926f-f434f04216ba
 ;;; qp.el ends here