ISO IEC TS 30135-3-2014 Information technology - Digital publishing - EPUB3 - Part 3 Content Documents《信息技术 数字出版 EPUB3 第3部分 内容文件》.pdf

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1、 Reference number ISO/IEC TS 30135-3:2014(E) ISO/IEC 2014TECHNICAL SPECIFICATION ISO/IEC TS 30135-3 First edition 2014-11-15Information technology Digital publishing EPUB3 Part 3: Content Documents Technologies de linformation Publications numriques EPUB3 Partie 3: Documents de contenu ISO/IEC TS 30

2、135-3:2014(E) COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2014 All rights reserved. Unless otherwise specified, 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, witho

3、ut 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 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

4、Switzerland ii ISO/IEC 2014 All rights reservedISO/IEC TS 30135-3:201 4(E) Foreword 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 I

5、EC 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, gov

6、ernmental 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,

7、Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the nation

8、al bodies casting a vote. In other circumstances, particularly when there is an urgent market requirement for such documents, the joint technical committee may decide to publish an ISO/IEC Technical Specification (ISO/IEC TS), which represents an agreement between the members of the joint technical

9、committee and is accepted for publication if it is approved by 2/3 of the members of the committee casting a vote. An ISO/IEC TS is reviewed after three years in order to decide whether it will be confirmed for a further three years, revised to become an International Standard, or withdrawn. If the

10、ISO/IEC TS is confirmed, it is reviewed again after a further three years, at which time it must either be transformed into an International Standard or be withdrawn. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC sha

11、ll not be held responsible for identifying any or all such patent rights. ISO/IEC TS 30135 series were prepared by Korean Agency for Technology and Standards (as KS X 6070 series) with International Digital Publishing Forum and were adopted, under a special “fast-track procedure”, by Joint Technical

12、 Committee ISO/IEC JTC 1, Information technology, in parallel with its approval by the national bodies of ISO and IEC. ISO/IEC TS 30135 consists of the following parts, under the general title Information technology Document description and processing languages EPUB 3: Part 1: Overview Part 2: Publi

13、cations Part 3: Content Documents Part 4: Open Container Format Part 5: Media Overlay Part 6: Canonical Fragment Identifier Part 7: Fixed-Layout Documents EPUB Content Documents 3.0 Recommended Specification 11 October 2011 THIS VERSION http:/www.idpf.org/epub/30/spec/epub30-contentdocs-20111011.htm

14、l LATEST VERSION http:/www.idpf.org/epub/30/spec/epub30-contentdocs.html PREVIOUS VERSION http:/www.idpf.org/epub/30/spec/epub30-contentdocs-20110908.html A diff of changes from the previous draft is available at this link. Please refer to the errata for this document, which may include some normati

15、ve corrections. Copyright 2010, 2011 International Digital Publishing Forum All rights reserved. This work is protected under Title 17 of the United States Code. Reproduction and dissemination of this work with changes is prohibited except with the written permission of the International Digital Pub

16、lishing Forum (IDPF). EPUB is a registered trademark of the International Digital Publishing Forum. Editors Markus Gylling, DAISY Consortium William McCoy, International Digital Publishing Forum (IDPF) Elika J. Etemad, Invited Expert Matt Garrish, Invited Expert TAB LE O F CO NTENTS 1. Overview 1.1.

17、 Purpose and Scope 1.2. Relationship to Other Specifications 1.2.1. Relationship to HTML5 1.2.2. Relationship to SVG 1.2.3. Relationship to CSS 1.2.4. EPUB 3 Versioning Strategy 1.3. Terminology 1.4. Conformance Statements 1.5. Namespace prefix mappings 2. EPUB Content Documents 2.1. XHTML Content D

18、ocuments 2.1.1. Content Conformance 2.1.2. Reading System Conformance 2.1.3. HTML5 Extensions and Enhancements 2.1.3.1. Semantic Inflection 2.1.3.1.1. Introduction 2.1.3.1.2. The epub:type Attribute 2.1.3.1.3. Vocabulary Association 2.1.3.1.4. Processing Requirements 2.1.3.2. SSML Attributes2.1.3.2.

19、1. Overview 2.1.3.2.2. The ssml:ph attribute 2.1.3.2.3. The ssml:alphabet attribute 2.1.3.3. Content Switching 2.1.3.3.1. Introduction 2.1.3.3.2. Definition 2.1.3.3.2.1. The epub:switch Element 2.1.3.3.2.2. The epub:case Element 2.1.3.3.2.3. The epub:default Element 2.1.3.3.3. Processing 2.1.3.4. Th

20、e epub:trigger Element 2.1.3.5. Alternate Style Tags 2.1.4. HTML5 Deviations and Constraints 2.1.4.1. Embedded MathML 2.1.4.1.1. Introduction 2.1.4.1.2. Content Conformance 2.1.4.1.3. Reading System Conformance 2.1.4.1.4. Alternative Content 2.1.4.2. Embedded SVG 2.1.4.2.1. Embedded SVG and CSS 2.1.

21、4.3. Unicode Restrictions 2.1.4.4. Discouraged Constructs 2.2. EPUB Navigation Documents 2.2.1. Introduction 2.2.2. Content Conformance 2.2.3. Reading System Conformance 2.2.4. EPUB Navigation Document Definition 2.2.4.1. The nav Element: Restrictions 2.2.4.2. The nav Element: Types 2.2.4.2.1. The t

22、oc nav Element 2.2.4.2.2. The page-list nav Element 2.2.4.2.3. The landmarks nav Element 2.2.4.2.4. Other nav Elements 2.2.4.3. The hidden attribute 2.3. SVG Content Documents 2.3.1. Introduction 2.3.2. Content Conformance 2.3.3. Restrictions on SVG 1.1 2.3.4. Reading System Conformance 2.4. Scripte

23、d Content Documents 2.4.1. Scripting Contexts 2.4.2. Content Conformance 2.4.3. Reading System Conformance 2.4.4. Security Considerations 2.4.5. Event Model Considerations 3. EPUB Style Sheets 3.1. Content Conformance 3.2. Reading System Conformance 3.3. EPUB 3 CSS Profile 3.3.1. CSS 2.1 3.3.2. CSS

24、2.0 3.3.3. CSS 3.0 Speech 3.3.4. CSS Fonts Level 3 3.3.5. CSS Text Level 3 3.3.6. CSS Writing Modes 3.3.7. Media Queries 3.3.8. CSS Namespaces 3.3.9. CSS Multi-Column Layout 3.3.10. Ruby Positioning 3.3.11. Display Property Values oeb-page-head and oeb-page-foot 4. PLS Documents 4.1. Overview 4.2. E

25、PUB Publication Conformance 4.3. Content Conformance 4.4. Reading System Conformance A. Schemas A.1. XHTML Content Document Schema A.2. EPUB Navigation Document Schema A.3. SVG Content Document Schema B. JavaScript epubReadingSystem Object B.1. Syntax B.2. Description B.3. Properties B.4. Methods B.

26、4.1. hasFeature B.4.1.1. Syntax B.4.1.2. Description B.4.1.3. Features C. Acknowledgements and Contributors References 1 Overview 1.1 Purpose and Scope This section is informative This specification, EPUB Content Documents 3.0, defines profiles of HTML5, SVG, and CSS for use in the context of EPUB P

27、ublications. This specification is one of a family of related specifications that compose EPUB 3, the third major revision of an interchange and delivery format for digital publications based on XML and Web Standards. It is meant to be read and understood in concert with the other specifications tha

28、t make up EPUB 3: The EPUB 3 Overview EPUB3Overview, which provides an informative overview of EPUB and a roadmap to the rest of the EPUB 3 documents. The Overview should be read first. EPUB Publications 3.0 Publications30, which defines publication-level semantics and overarching conformance requir

29、ements for EPUB Publications. EPUB Open Container Format (OCF) 3.0 OCF3, which defines a file format and processing model for encapsulating a set of related resources into a single-file (ZIP) EPUB Container. EPUB Media Overlays 3.0 MediaOverlays30, which defines a format and a processing model for s

30、ynchronization of text and audio. This specification supersedes Open Publication Structure (OPS) 2.0.1 OPS2. Refer to EPUB3Changes for information on differences between this specification and its predecessor. 1.2 Relationship to Other Specifications This section is informative 1.2.1 Relationship to

31、 HTML5 The XHTML document type defined by this specification is based on W3C HTML5, and inherits all definitions of semantics, structure and processing behaviors from the HTML5 specification unless otherwise specified. In addition, this specification defines a set of extensions to the W3C HTML5 docu

32、ment model that Authors may include in XHTML Content Documents. This specification defines a simplified processing model that does not require Reading Systems to support scripting, HTML5 forms or the HTML5 DOM. EPUB Reading Systems conformant with this specification are only required to be able to p

33、rocess a conforming EPUB Content Document. As support for scripting and HTML5 forms are optional Reading System features, a conformant Reading System might not be a fully-conformant HTML5 User Agent (i.e., it might not implement the complete HTML5 processing model). 1.2.2 Relationship to S VG This s

34、pecification defines a restricted subset of SVG 1.1 to represent vector graphics inline in XHTML Content Documents and as standalone SVG Content Documents. 1.2.3 Relationship to CS S The CSS profile defined in this specification has CSS 2.1 CSS2.1 as its baseline. Any CSS Style Sheet that conforms t

35、o CSS 2.1 may be used in the context of an EPUB Publication, except as noted in CSS 2.1. This specification also incorporates features defined by CSS3 Modules and introduces EPUB-specific CSS constructs. 1.2.4 EPUB 3 Versioning S trategy EPUB 3 references W3C specifications that are not yet final, a

36、nd incompatible changes to them may occur in the future that would cause EPUB 3 Content Documents that were previously conformant to no longer be conformant to the latest versions of the referenced specifications. The IDPF anticipates revising the EPUB 3 specifications if and when such incompatible

37、changes occur, updating the normative constraints defined herein as necessary and incrementing the minor version number of EPUB 3 (e.g., publishing an EPUB 3.0.n ). 1.3 Terminology EPUB Publication (or Publication) A logical document entity consisting of a set of interrelated resources and packaged

38、in an EPUB Container, as defined by this specification and its sibling specifications. Publication Resource A resource that contains content or instructions that contribute to the logic and rendering of the EPUB Publication. In the absence of this resource, the Publication might not render as intend

39、ed by the Author. Examples of Publication Resources include the Package Document, EPUB Content Documents, EPUB Style Sheets, audio, video, images, embedded fonts and scripts. With the exception of the Package Document itself, Publication Resources must be listed in the manifest Publications30 and mu

40、st be bundled in the EPUB container file unless specified otherwise in Publication Resource Locations Publications30.Examples of resources that are not Publication Resources include those identified by the Package Document link Publications30 element and those identified in outbound hyperlinks that

41、resolve outside the EPUB Container (e.g., referenced from an HTML5 a element href attribute). Core Media Type Resource A Publication Resource that is a Core Media Type and may therefore be included in the EPUB Publication without the provision of fallbacks Publications30. EPUB Content Document A Pub

42、lication Resource that conforms to one of the EPUB Content Document definitions (XHTML or SVG). An EPUB Content Document is a Core Media Type, and may therefore be included in the EPUB Publication without the provision of fallbacks Publications30. XHTML Content Document An EPUB Content Document conf

43、orming to the profile of HTML5 defined in XHTML Content Documents. XHTML Content Documents use the XHTML syntax of HTML5. SVG Content Document An EPUB Content Document conforming to the constraints expressed in SVG Content Documents. EPUB Navigation Document A specialization of the XHTML Content Doc

44、ument, containing human- and machine-readable global navigation information, conforming to the constraints expressed in EPUB Navigation Documents. Scripted Content Document An EPUB Content Document that includes scripting or an XHTML Content Document that contains HTML5 forms elements. Refer to Scri

45、pted Content Documents for more information. Top-level Content Document An EPUB Content Document referenced directly from the spine Core Media Type A set of Publication Resource types for which no fallback is required. Refer to Publication Resources Publications30 for more information. Package Docum

46、ent A Publication Resource carrying bibliographical and structural metadata about the EPUB Publication, as defined in Package Documents Publications30. Manifest A list of all Publication Resources that constitute the EPUB Publication. Refer to manifest Publications30 for more information. Spine An o

47、rdered list of Publication Resources, typically EPUB Content Documents, representing the default reading order of the Publication. Refer to spine Publications30 for more information. Text-to-Speech (TTS) The rendering of the textual content of an EPUB Publication as artificial human speech using a s

48、ynthesized voice. EPUB Style Sheet (or Style Sheet) A CSS Style Sheet conforming to the CSS profile defined in EPUB Style Sheets. Viewport The region of an EPUB Reading System in which the content of an EPUB Publication is rendered visually to a User. CSS Viewport A Viewport capable of displaying CS

49、S-styled content. SVG Viewport A Viewport capable of displaying SVG images. EPUB Container (or Container) The ZIP-based packaging and distribution format for EPUB Publications defined in OCF3. Author The person(s) or organization responsible for the creation of an EPUB Publication, which is not necessarily the creator of the content and resources it contains. User An individual that consumes an EPUB Publication using an EPUB Reading System. EPUB Reading System (or Reading System) A syst