"RELAX NG.".In his new book, "RELAX NG (REgular LAnguage Description for XML Next Generation) An XML schema from OASIS that is based on RELAX and TREX. It is easier to learn than the W3C's XSD XML schema and adds missing features. " author Eric van der Vlist introduces the Regular Language Description for XML XML in full Extensible Markup Language. Markup language developed to be a simplified and more structural version of SGML. It incorporates features of HTML (e.g., hypertext linking), but is designed to overcome some of HTML's limitations. Core--New Generation, or RELAX NG (pronounced "relaxing"), an alternative to other schema languages that's quickly gaining momentum. Designed to solve a variety of common problems raised in the creation and sharing of XML vocabularies, RELAX NG is less complex than the W3C's XML Schema Recommendation and more powerful and flexible than DTDs. Comment XML schema languages are a nice idea as long as they don't become so complicated that XML vocabularies built using them are difficult to extend. Unfortunately, that's what was starting to happen before RELAX NG appeared. W3C XML Schema An XML schema from the W3C. It is a superset of DTD, which is the standard SGML schema. Unlike DTD, W3C XML Schema is written in XML syntax, which although more verbose than DTD, can be created with any XML tools. , the dominant XML schema language, is so complex and incorporates ideas from so many conflicting fields that it is difficult to learn. www.o'reilly.com ISBN ISBN abbr. International Standard Book Number ISBN International Standard Book Number ISBN n abbr (= International Standard Book Number) → ISBN m 0-596-00421-4, |
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