mmencode is actually part of metamail, but at least one port, bgrab,
requires this to run. bgrab is a console application, and metamail
requires X (not good).
mmencode simply converts a byte stream into (or out of) one of one of
the standard encoding formats defined by MIME.
PR: 14054
Submitted by: Kelly Yancey <kbyanc@posi.net>
