define type sort_options
	keyword	date
	keyword	filename
	keyword	size
	keyword type

define verb maint
	image sys$system:maint.exe
	parameter p1,value(type=$infile),label=infile
	qualifier confirm	placement=global
	qualifier date		placement=global
	qualifier full		placement=global
	qualifier help		placement=global
	qualifier protection	placement=global
	qualifier size		placement=global
	qualifier sort		placement=global,value(type=sort_options)
	qualifier text		placement=global
	qualifier wide		placement=global
	disallow full and date
	disallow full and size
	disallow full and protection