Constant xmlns::iso::dsdl::nvdl::NS_PREDEFINED_SCHEMA

pub const NS_PREDEFINED_SCHEMA: &'static str = "http://purl.oclc.org/dsdl/nvdl/ns/predefinedSchema/1.0";

The Predefined Schema Namespace
http://purl.oclc.org/dsdl/nvdl/ns/predefinedSchema/1.0