.IR \&... ]
.ad
.SH DESCRIPTION
-.B Mhl
+.B mhl
is an
.B nmh
command for filtering and/or displaying text
.B prev
initialize appropriately.
.PP
-.B Mhl
+.B mhl
operates in two phases: 1) read and parse the format file, and
2) process each message (file). During phase 1, an internal description
of the format is produced as a structured list. In phase 2, this list