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ISO_IEC_19757
_2006E
Reference numberISO/IEC 19757-4:2006(E)ISO/IEC 2006 INTERNATIONAL STANDARD ISO/IEC19757-4First edition2006-06-01Information technology Document Schema Definition Languages(DSDL)Part 4:Namespace-based Validation Dispatching Language(NVDL)Technologies de linformation Langages de dfinition de schma de documents(DSDL)Partie 4:Langage de diffusion de validation despace de nom orient(NVDL)ISO/IEC 19757-4:2006(E)PDF disclaimer This PDF file may contain embedded typefaces.In accordance with Adobes licensing policy,this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing.In downloading this file,parties accept therein the responsibility of not infringing Adobes licensing policy.The ISO Central Secretariat accepts no liability in this area.Adobe is a trademark of Adobe Systems Incorporated.Details of the software products used to create this PDF file can be found in the General Info relative to the file;the PDF-creation parameters were optimized for printing.Every care has been taken to ensure that the file is suitable for use by ISO member bodies.In the unlikely event that a problem relating to it is found,please inform the Central Secretariat at the address given below.ISO/IEC 2006 All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel.+41 22 749 01 11 Fax +41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2006 All rights reserved ISO/IEC 19757-4:2006(E)ISO/IEC 2006 All rights reserved iiiContentsPageForeword.vIntroduction.vi1Scope.12Normative references.13Terms and definitions.24Notation.35Data model.35.1General.35.2Creating a data model from the infoset.46Syntax.66.1General.66.2Full syntax.66.3Simple syntax.86.4Simplification.106.4.1General.106.4.2Annotations.106.4.3Whitespace.106.4.4message attribute.106.4.5mustSupport attribute.106.4.6schemaType attribute of rules elements.116.4.7rules without mode children.116.4.8child mode elements of validate,allow,reject,attach,unwrap,attachPlaceholder,or context elements.116.4.9namespace or anyNamespace elements.116.4.10mode inclusion.116.4.11competition within mode.126.4.12default anyNamespace.126.4.13allow and reject.126.4.14useMode attribute.137Primitive operations.137.1General.137.2Creating element sections and attribute sections.137.3Decomposition of element sections by trigger elements.157.4Attaching attribute sections to elements.177.5Attaching element sequences to elements.177.6Creating placeholder elements from element sections.187.7Converting attribute sections to empty elements.188Semantics.188.1General.188.2Preliminaries.198.3Stage 1:Creating element and attribute sections.208.4Stage 2:Constructing interpretations.208.5Stage 3:Combining sections.208.6Stage 4:Filtering of the combined sections.228.7Stage 5:Validation.228.7.1General.228.7.2Determining schemas and schema languages.228.7.3Schema rewriting for attribute sections.238.7.4Options.239Conformance.23ISO/IEC 19757-4:2006(E)iv ISO/IEC 2006 All rights reserved C.2RELAX NG schema.35C.3NVDL script.40Annex D(informative)Example.42D.1General.42D.2RDF embedded within XHTML.42D.2.1 Simplification.42D.2.2Dispatching.43D.2.2.1 General.43D.2.2.2 Stage 1.43D.2.2.3 Stage 2.44D.2.2.4 Stage 3.44D.2.2.5 Stage 4.44D.2.2.6 Stage 5.44D.3XHTML 2.0 and XForms.44D.3.1 Simplification.44D.3.2Dispatching.47D.3.2.1 General.47D.3.2.2 Stage 1.47D.3.2.3 Stage 2.47D.3.2.4 Stage 3.48D.3.2.5 Stage 4.48D.3.2.6 Stage 5.49Bibliography.50Annex A(normative)Full syntax in RELAX NG.24Annex B(normative)Simple syntax in RELAX NG.31Annex C(informative)An NVDL script and RELAX NG schema for the full syntax.35C.1General.35ISO/IEC 19757-4:2006(E)ISO/IEC 2006 All rights reserved vForeword ISO(the International Organization for Standardization)and IEC(the International Electrotechnical Commission)form the specialized system for worldwide standardization.National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity.ISO and IEC technical committees collaborate in fields of mutual interest.Other international organizations,governmental and non-governmental,in liaison with ISO and IEC,also take part in the work.In the field of information technology,ISO and IEC have established a joint technical committee,ISO/IEC JTC 1.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives,Part 2.The main task of the joint technical committee is to prepare International Standards.Draft International Stan