ISO/IEC 19757-4 NVDL (Namespace-based Validation Dispatching Language)ISO/IEC 19757-4 NVDL (Namespace-based Validation Dispatching Language) This is a home for user information related to the International Standard for document model validation of instances with multiple namespaces using different document models. NVDL is Part 4 of ISO/IEC 19757 DSDL (Document Schema Definition Languages) http://www.dsdl.org. Specification document (from the ISO/IEC page of Freely A
