+- If nmh was configured with iconv(3) support, mhshow will convert, if
+ necessary, the charset of text/plain content to match the user's
+ locale setting.
+- Added support for %{charset} display string escape to mhshow(1).
+- The MIME parsing and generating routines now support RFC 2231 extended
+ parameter information.
+- mh-mime(7) now provides an introduction to nmh's MIME handling.