attribute
fun attribute(vocabularyPrefix: String = vPrefix, vocabularyNamespace: String = vNamespace, name: String, namespace: String? = null, select: String? = null, separator: String? = null, type: String? = null, validation: String? = null, attributes: Map<QName, String> = mapOf(), ns: Map<String, String> = mapOf(), init: XsltAttribute.() -> Unit)(source)