how can you break down a large DTD into smaller modules

A DTD defines the structure and the legal elements and attributes of an XML document. In particular, the XML eCTD DTD (Document Type Definition) defines the ... XML Schema Definition or XSD is a recommendation by the World Wide Web Consortium (W3C) to describe and validate the structure and content of an XML document. A Document Type Definition (DTD) is a set of rules that defines the structure and legal elements of an XML document. A document type definition (DTD) that governs the allowed common data elements (CDE) in TMA DES export XML files was written, tested and evolved and is in ... Apr 12, 2020 ... From my understanding, the document type declaration is an instruction that associates a particular XML or SGML document with a document ... The main part of this XML file format definition is provided by 3GPP TS 32.615 [3]. ... DTD Document Type Definition. EDGE Enhanced Data rates for GSM ... Feb 10, 1998 ... [Definition:] The XML document type declaration contains or points to markup declarations that provide a grammar for a class of documents. XML external entities are a type of custom entity whose definition is located outside of the DTD where they are declared. The declaration of an external entity ... This OASIS Technical Memorandum is an XML expression of the Exchange subset of the full CALS table model DTD described in OASIS Technical Memorandum 9502:1995. The file format is eXtensible Markup Language (XML) in accordance with the Patent Assignment Daily XML (PADX) Version 0.3 Document Type Definition (DTD).