RELAX NG

RELAX NG

In computing, RELAX NG (REgular LAnguage for XML Next Generation) is a schema language for XML, based on Murata Makoto's RELAX and James Clark's TREX. A RELAX NG schema specifies a pattern for the structure and content of an XML document. A RELAX NG schema is itself an XML document; however, RELAX NG also offers a popular compact, non-XML syntax. [ [http://www.oasis-open.org/committees/relax-ng/compact-20021121.html RELAX NG Compact Syntax] ] Compared to other popular schema languages, RELAX NG is relatively simple.It is defined by a committee specification of the OASIS RELAX NG technical committee, and also by part two of the international standard ISO/IEC 19757: Document Schema Definition Languages (DSDL). [ [http://www.oasis-open.org/committees/relax-ng/spec-20011203.html RELAX NG Specification] ] [ [http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=relax-ng RELAX NG Technical Committee] ]

chema examples

Suppose we want to define an extremely simple XML markup scheme for a book: a book is defined as a sequence of one or more pages; each page contains text only. A sample XML document instance might be:


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  • RELAX NG — (REgular LAnguage for XML Next Generation) один из языков описания структуры XML документа. Являясь сама по себе XML документом, схема в этом формате может быть записана с использованием альтернативного, более компактного синтаксиса[1]. В… …   Википедия

  • RELAX NG — (REgular LAnguage for XML Next Generation) est un langage de description de document XML issu de la fusion de TreX de James Clark et de Relax de Murata Makoto. Considéré comme une alternative préférable à XML Schema, c est un dialecte XML… …   Wikipédia en Français

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