validator
fun validator(name: String, version: String, attr: Map<QName, String?> = emptyMap()): XvrlValidator(source)
fun validator(name: String, version: String, text: String, attr: Map<QName, String?> = emptyMap()): XvrlValidator(source)
fun validator(name: String, version: String, node: XdmNode, attr: Map<QName, String?> = emptyMap()): XvrlValidator(source)