-.TH SCAN %manext1% 2014-01-20 "%nmhversion%"
+.TH SCAN %manext1% 2020-02-17 "%nmhversion%"
.
.\" %nmhwarning%
.
.SH NAME
-scan \- produce a one line per nmh message scan listing
+scan \- produce a summary listing of nmh messages
.SH SYNOPSIS
.HP 5
.na
.I filename
switch allows the user to obtain a
.B scan
-listing of a mail drop file as produced by
-.BR packf .
+listing of a mail drop.
This listing
-includes every message in the file (you can't scan individual messages).
+includes every message in the mail drop (you can't scan individual messages).
The switch
.B \-reverse
is ignored with this option.
+If
+.I filename
+is a file, it can be in
+.B mbox
+or
+.B MMDF
+format, as produced by
+.BR packf .
+If
+.I filename
+is a directory, it is considered to be in
+.B Maildir
+format.
.PP
The switch
.B \-width