Added answer.
[mmh] / etc / scan.unseen
1 %4(msg)%<(cur)+%| %>%<(unseen)U%| %>%<{replied}-%?{encrypted}E%| %>\
2 %02(mon{date})/%02(mday{date})%<{date} %|*%>\
3 %<(mymbox{from})%<{to}To:%14(decode(friendly{to}))%>%>\
4 %<(zero)%17(decode(friendly{from}))%>  \
5 %(decode{subject})%<{body}<<%{body}>>%>