ISOIEC_23736-22020E-Character_PDF_document.pdf

Information technology Digital publishing EPUB 3.0.1 Part 2:PublicationsTechnologies de linformation Publications numriques EPUB 3.0.1 Partie 2:PublicationsINTERNATIONAL STANDARDISO/IEC23736-2Reference numberISO/IEC 23736-2:2020(E)First edition2020-02 ISO/IEC 2020 ISO/IEC 23736-2:2020(E)ii ISO/IEC 2020 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO/IEC 2020All rights reserved.Unless otherwise specified,or required in the context of its implementation,no part of this publication may be reproduced or utilized otherwise in any form or by any means,electronic or mechanical,including photocopying,or posting on the internet or an intranet,without prior written permission.Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCP 401 Ch.de Blandonnet 8CH-1214 Vernier,GenevaPhone:+41 22 749 01 11Fax:+41 22 749 09 47Email:copyrightiso.orgWebsite:www.iso.orgPublished in SwitzerlandISO/IEC 23736-2:2020(E)ISO/IEC 2020 All rights reserved iiiForeword ISO(the International Organization for Standardization)and IEC(the International ElectrotechnicalCommission)form the specialized system for worldwide standardization.National bodies that are members of ISO or IEC participate in the development of InternationalStandards through technicalcommitteesestablishedbytherespectiveorganizationtodealwithparticularfieldsoftechnicalactivity.ISO and IEC technical committees collaborate in fields of mutual interest.Other internationalorganizations,governmentalandnongovernmental,inliaisonwithISOandIEC,alsotakepartinthework.The procedures used to develop this document and those intended for its further maintenance aredescribedintheISO/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypesofdocumentshouldbenoted(seewww.iso.org/directives).Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.ISOandIECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.Details of any patent rights identified during the development of the document will be in the Introductionand/orontheISOlistofpatentdeclarationsreceived(seewww.iso.org/patents)ortheIEClistofpatentdeclarationsreceived(seehttp:/patents.iec.ch).Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.For an explanation of the voluntary nature of standards,the meaning of ISO specific terms andexpressionsrelatedtoconformityassessment,aswellasinformationaboutISOsadherencetotheWorldTradeOrganization(WTO)principlesintheTechnicalBarrierstoTrade(TBT),seewww.iso.org/iso/foreword.html.ThisdocumentwaspreparedbytheWorldWideWebConsortium(W3C)(asEPUBPublications3.0.1)and drafted in accordance with its editorial rules.It was adopted,under the JTC 1 PAS procedure,by Joint Technical Committee ISO/IEC JTC 1,Information technology.AlistofallpartsintheISO/IEC23736seriescanbefoundontheISOwebsitete.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.Acompletelistingofthesebodiescanbefoundatwww.iso.org/members.html.EPUB Publications 3.0.1Recommended Specification 26 June 2014THIS VERSIONhttp:/www.idpf.org/epub/301/spec/epub-publications-20140626.htmlLATEST VERSIONhttp:/www.idpf.org/epub3/latest/publicationsPREVIOUS VERSIONhttp:/www.idpf.org/epub/301/spec/epub-publications-20140228.htmlA diff of changes from the previous version is also available.Please refer to the errata for this document,which may include some normative corrections.Copyright 2010-2013 International Digital Publishing ForumAll rights reserved.This work is protected under Title 17 of the United States Code.Reproduction anddissemination of this work with changes is prohibited except with the written permission of the InternationalDigital Publishing Forum(IDPF).EPUB is a registered trademark of the International Digital Publishing Forum.EditorsMarkus Gylling,International Digital Publishing Forum(IDPF)William McCoy,International Digital Publishing Forum(IDPF)Matt Garrish,Invited ExpertTABLE OF CONTENTS1.Overview1.1.Purpose and Scope1.2.Terminology1.3.Typographic Conventions1.4.Conformance Statements2.EPUB Publications2.1.Content Conformance2.2.Reading System Conformance3.Package Documents3.1.Introduction3.2.Content Conformance3.3.Reading System Conformance3.4.Package Document Definition3.4.1.The package Element3.4.2.The metadata Element3.4.3.The DCMES identifier Element3.4.4.The DCMES title Element3.4.5.The DCMES language ElementISO/IEC 23736-2:2020(E)ISO/IEC 2020 All rights reserved13.4.6.The DCMES Optional Elements3.4.7.The meta Element3.4.8.The meta Element(OPF2)OBSOLETE3.4.9.The link Element3.4.10.The manifest Element3.4.11.The item Element3.4.12.The spine Element3.4.13.The itemref Element3.4.14.The guide Element DEPRECATED3.4.15.The bindings Element3.4.16.The mediaType Element3.4.17.The collection Element4.Package Metadata4.1.Publication Identifiers4.1.1.Unique Identifier4.1.2.Release Identifier4.2.