+1998-12-24 MORIOKA Tomohiko <morioka@jaist.ac.jp>
+
+ * mcs-om.el (default-mime-charset-for-write): New variable.
+ (detect-mime-charset-region): Return
+ `default-mime-charset-for-write' if suitable mime-charset is not
+ found.
+
+ * mcs-20.el (detect-mime-charset-region): Don't call
+ `default-mime-charset-detect-method-for-write' if suitable
+ mime-charset is found.
+
+ * mcharset.el (charsets-to-mime-charset): Return nil if suitable
+ mime-charset is not found; abolish optional argument `default'.
+
1998-12-23 MORIOKA Tomohiko <morioka@jaist.ac.jp>
* mcs-xm.el (charsets-mime-charset-alist): Don't set up