(dired-pop-to-buffer): Try to make this behave the

[gnu-emacs] / lisp / gnus / rfc2047.el

diff --git a/lisp/gnus/rfc2047.el b/lisp/gnus/rfc2047.el
index 89c10a99e084171b4ab2c5800312da12a6457b2c..c0bdec3c0253248f27efd65acf2d17c88cbd3d9c 100644 (file)
--- a/lisp/gnus/rfc2047.el
+++ b/lisp/gnus/rfc2047.el
@@ -1,7 +1,7 @@
 ;;; rfc2047.el --- functions for encoding and decoding rfc2047 messages
 
 ;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;;   2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;     MORIOKA Tomohiko <morioka@jaist.ac.jp>
@@ -291,7 +291,7 @@ Should be called narrowed to the head of the message."
             ;; 8-bit names.  The group name mail copy just got
             ;; unconditionally encoded.  Previously, it would ask
             ;; whether to encode, which was quite confusing for the
-            ;; user.  If the new behaviour is wrong, tell me. I have
+            ;; user.  If the new behavior is wrong, tell me. I have
             ;; left the old code commented out below.
             ;; -- Per Abrahamsen <abraham@dina.kvl.dk> Date: 2001-10-07.
             ;; Modified by Dave Love, with the commented-out code changed
@@ -902,9 +902,13 @@ them.")
            (error
             (goto-char beg))))))))
 
-(defun rfc2047-charset-to-coding-system (charset)
+(defun rfc2047-charset-to-coding-system (charset &optional allow-override)
   "Return coding-system corresponding to MIME CHARSET.
-If your Emacs implementation can't decode CHARSET, return nil."
+If your Emacs implementation can't decode CHARSET, return nil.
+
+If allow-override is given, use `mm-charset-override-alist' to
+map undesired charset names to their replacement.  This should
+only be used for decoding, not for encoding."
   (when (stringp charset)
     (setq charset (intern (downcase charset))))
   (when (or (not charset)
@@ -912,7 +916,7 @@ If your Emacs implementation can't decode CHARSET, return nil."
            (memq 'gnus-all mail-parse-ignored-charsets)
            (memq charset mail-parse-ignored-charsets))
     (setq charset mail-parse-charset))
-  (let ((cs (mm-charset-to-coding-system charset)))
+  (let ((cs (mm-charset-to-coding-system charset nil allow-override)))
     (cond ((eq cs 'ascii)
           (setq cs (or (mm-charset-to-coding-system mail-parse-charset)
                        'raw-text)))
@@ -933,7 +937,7 @@ ENCODED-WORD)."
     (while words
       (setq word (pop words))
       (if (and (setq cs (rfc2047-charset-to-coding-system
-                        (setq charset (car word))))
+                        (setq charset (car word)) t))
               (condition-case code
                   (cond ((char-equal ?B (nth 1 word))
                          (setq text (base64-decode-string
@@ -1041,7 +1045,7 @@ other than `\"' and `\\' in quoted strings."
                (setq start (point))
                (setq quoted (eq (char-after) ?\"))
                (goto-char (point-max))
-               (skip-chars-backward " \t")
+               (skip-chars-backward " \t" start)
                (if (setq quoted (and quoted
                                      (> (point) (1+ start))
                                      (eq (char-before) ?\")))