file --mime on OpenBSD returns strings such as "text/plain charset=us-ascii", without an intervening semilcolon.  Insert one if there isn't one.
file --mime on OpenBSD returns strings such as "text/plain
charset=us-ascii", without an intervening semilcolon.  Insert one if
there isn't one.

mcr/nmh,dscho/nmh,dscho/nmh,dscho/nmh,dscho/nmh,mcr/nmh