Importing pgnus-0.76

[elisp/gnus.git-] / lisp / mm-util.el

diff --git a/lisp/mm-util.el b/lisp/mm-util.el
index 6c597db..1634ce3 100644 (file)
--- a/lisp/mm-util.el
+++ b/lisp/mm-util.el
@@ -58,16 +58,21 @@
     (iso-8859-7 greek-iso8859-7)
     (iso-8859-8 hebrew-iso8859-8)
     (iso-8859-9 latin-iso8859-9)
+    (viscii vietnamese-viscii-lower)
     (iso-2022-jp-2 japanese-jisx0208)
     (iso-2022-jp latin-jisx0201
                 japanese-jisx0208-1978)
     (euc-kr korean-ksc5601)
     (cn-gb-2312 chinese-gb2312)
     (cn-big5 chinese-big5-1 chinese-big5-2)
+    (tibetan tibetan)
+    (thai-tis620 thai-tis620)
+    (iso-2022-7bit ethiopic arabic-1-column arabic-2-column)
     (iso-2022-jp-2 latin-iso8859-1 greek-iso8859-7
                   latin-jisx0201 japanese-jisx0208-1978
                   chinese-gb2312 japanese-jisx0208
-                  korean-ksc5601 japanese-jisx0212)
+                  korean-ksc5601 japanese-jisx0212
+                  katakana-jisx0201)
     (iso-2022-int-1 latin-iso8859-1 greek-iso8859-7
                    latin-jisx0201 japanese-jisx0208-1978
                    chinese-gb2312 japanese-jisx0208
@@ -200,10 +205,19 @@ used as the line break code type of the coding system."
             'mime-charset))
        (and (eq charset 'ascii)
            'us-ascii)
-       (get-charset-property charset 'prefered-coding-system))
+       (get-charset-property charset 'prefered-coding-system)
+       (mm-mule-charset-to-mime-charset charset))
     ;; This is for XEmacs.
     (mm-mule-charset-to-mime-charset charset)))
 
+(defun mm-find-mime-charset-region (b e)
+  "Return the MIME charsets needed to encode the region between B and E."
+  (let ((charsets
+        (mapcar 'mm-mime-charset
+                (delq 'ascii
+                      (mm-find-charset-region b e)))))
+    (delete-duplicates charsets)))
+
 (defsubst mm-multibyte-p ()
   "Say whether multibyte is enabled."
   (and (boundp 'enable-multibyte-characters)
@@ -238,9 +252,7 @@ See also `with-temp-file' and `with-output-to-string'."
 (defun mm-find-charset-region (b e)
   "Return a list of charsets in the region."
   (cond
-   ((and (boundp 'enable-multibyte-characters)
-        enable-multibyte-characters
-        (fboundp 'find-charset-region))
+   ((fboundp 'find-charset-region)
     (find-charset-region b e))
    ((not (boundp 'current-language-environment))
     (save-excursion