Description: Welcome page
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 Available Standards ):
http://www.jtc1sc34.org/repository/0816.htm - proposed technical corrigenda