usr.bin/file/magdir/diamond

#
# ... diamond is a multi-media mail and electronic conferencing system....
#
# XXX - I think it was either renamed Slate, or replaced by Slate....
#
#       The full deal is too long...
#0      string  <list>\n<protocol\ bbn-multimedia-format>       Diamond Multimedia Document
0       string  =<list>\n<protocol\ bbn-m       Diamond Multimedia Document