style/arguments —
command line arguments
.Ar placeholder
.Ar
.Cm fixed string
If a utility takes an arbitrary number of arguments, all of which are
interpreted as file names, use the
Ar macro
without arguments, for example:
.Sh SYNOPSIS
.Nm rm
.Op Fl dfiPRr
.Ar
.Sh DESCRIPTION
.Sh SYNOPSIS
.Nm cat
.Op Fl benstuv
.Op Ar
.Sh DESCRIPTION
Without arguments, the
Ar macro formats in
the same way as
.Ar file ...
If an argument is a fixed string or a keyword and is not to be replaced with a
value chosen by the user, the
Ar macro is
inadequate. Use
Cm instead.
The MACRO REFERENCE section in the
mdoc(7)
manual.