(detect-mime-charset-region): Use `find-mime-charset-by-charsets'.

diff --git a/mcs-20.el b/mcs-20.el
index c115e4c..5fc7502 100644 (file)
--- a/mcs-20.el
+++ b/mcs-20.el
@@ -139,13 +139,8 @@ It must be symbol."
 
 (defun detect-mime-charset-region (start end)
   "Return MIME charset for region between START and END."
-  (let ((charsets (find-charset-region start end)))
-    (or (charsets-to-mime-charset charsets)
-       (if default-mime-charset-detect-method-for-write
-           (funcall default-mime-charset-detect-method-for-write
-                    'region charsets start end)
-         default-mime-charset-for-write)
-       )))
+  (find-mime-charset-by-charsets (find-charset-region start end)
+                                'region start end))
 
 (defun write-region-as-mime-charset (charset start end filename
                                             &optional append visit lockname)