interface_build {
    {v.report} 0
    {Generates statistics for vector file.}
    {entry map {Input vector map:} 0 vector}
    {entry units {Measurement units (name[,name,...]):} 0 +distance}
    {entry pl {Page length (default: 0 lines):} 0 ""}
    {entry pw {Page width (default: 79 characters):} 0 ""}
    {checkbox type {Area map.} "" area}
    {checkbox type {Line map.} "" line}
    {checkbox type {Site map.} "" site}
    {separator grey 1}
    {checkbox -h {Suppress page headers.} "" -h}
    {checkbox -f {Use formfeeds between pages.} "" -f}
    {checkbox -q {Run quietly.} "" -q}
}