| Document Definition Markup Language |
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Information AboutDocument Definition Markup Language |
| CATEGORIES ABOUT DOCUMENT DEFINITION MARKUP LANGUAGE | |
| xml | |
| xml-based standards | |
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DDML began as XSchema, a reformulation of XML DTD s as full XML documents, so that elements and attributes, rather than declarations, could be used to describe a schema. As development continued, the name was changed to DDML, reflecting a shift away from the goal of replicating all DTD functionality, in order to concentrate on providing a robust framework for describing basic element/attribute hierarchy. DDML offered no Datatype s or functionality beyond what DTDs already provided, so there was not much advantage to using DDML instead of DTDs. DDML did, however, inform the development of the next generation of XML-based schema languages, including the more successful XML Schema and RELAX NG . EXTERNAL LINKS
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