+- 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.
+- mhshow(1) will now by default display all text content under one pager,
+ and display markers for non-text and non-inline content. The content
+ markers are changeable via mh-format(5).