how can DTDs be used to enforce constraints on the co-occurrence or mutual exclusion of certain elements or attributes

... XML files for the U.S. Code, bills, resolutions, and amendments (and the House Rules). Notice The document type definitions (DTDs) presented on this site ... Description. This is used to create simple document type definitions. If you need to create a more complicated definition with internal subsets it is ... Mar 25, 2013 ... Music Navigation with Symbols and Layers: Toward Content Browsing with IEEE 1599 XML Encoding. Free Access. Appendix B: IEEE Document-Type ... Nov 26, 2008 ... [Definition: The XML document type declaration contains or points to markup declarations that provide a grammar for a class of documents. Although it is not required, an SVG file may start with an XML declaration, indicating the XML version used and the character encoding. XML document types, each of which corresponds to a global element declaration, global attribute declaration, or global complex type definition in an XML schema ... 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 ... DTD stands for Document Type Definition. It defines the legal building blocks of an XML document. It is used to define document structure with a list of legal ... Document Type Definition. The markup permitted in a particular XML application can be documented in a schema. The most broadly supported schema language and ... ... XML Core Services (MSXML), MSXML will send requests to the World Wide Web Consortium (W3C) to fetch well-known Document Type Definition (DTD) files every time.