define verb LDIR
	image		ldir$directory:ldir
	parameter	P1, label=FILESPEC, value( type=$FILE, list )

	qualifier	DOWN, placement=global, negatable
	qualifier	EXCLUDE, placement=global, nonnegatable
				value( required, type=$FILE, list )
	qualifier	OUTPUT, placement=global, negatable
				value( type=$FILE )

	qualifier	FILES, placement=positional, negatable
	qualifier	DIRECTORIES, placement=positional, negatable