of the content requires a new Unique Identifier. However, significant revision, abridgement, etc. The Unique Identifier is less granular than the ISBN. The Unique Identifier may be shared by one or many Manifestations of the same work that conform to the EPUB standard and embody the same content, where the differences between the Manifestations are limited to those changes that take account of differences between EPUB Reading Systems (and which themselves may require changes in the ISBN). The Unique Identifier is the primary identifier for an EPUB Publication, as identified by the unique-identifier attribute. The ISBN is an example of a manifestation identifier, and is shared by all instances of that manifestation.Īll instances of a manifestation need not be bit-for-bit identical, as minor corrections or revisions are not judged to create a new manifestation or work. There may be many individual but identical copies of a manifestation, termed 'instances' or 'items'. Changes to the content such as significant revision, abridgement, translation, or the realization of the content in a different digital or physical form result in a new manifestation. The digital (or physical) embodiment of a work of intellectual content. Package DocumentĪ Publication Resource carrying bibliographical and structural metadata about the EPUB Publication, as defined in Package Documents. Refer to Publication Resources for more information. Top-level Content DocumentĪn EPUB Content Document referenced directly from the spine Core Media TypeĪ set of Publication Resource types for which no fallback is required. Refer to Scripted Content Documents for more information. Scripted Content DocumentĪn EPUB Content Document that includes scripting or an XHTML Content Document that contains HTML5 forms elements. EPUB Navigation DocumentĪ specialization of the XHTML Content Document, containing human- and machine-readable global navigation information, conforming to the constraints expressed in EPUB Navigation Documents. SVG Content DocumentĪn EPUB Content Document conforming to the constraints expressed in SVG Content Documents. XHTML Content Documents use the XHTML syntax of.
XHTML Content DocumentĪn EPUB Content Document conforming to the profile of defined in XHTML Content Documents. EPUB Content DocumentĪ Publication Resource that conforms to one of the EPUB Content Document definitions ( XHTML or SVG).Īn EPUB Content Document is a Core Media Type, and may therefore be included in the EPUB Publication without the provision of fallbacks.
Core Media Type ResourceĪ Publication Resource that is a Core Media Type and may therefore be included in the EPUB Publication without the provision of fallbacks. A Foreign Resource requires at least one fallback, as defined in Restrictions and Fallbacks. Foreign ResourceĪ Publication Resource that is not a Core Media Type. With the exception of the Package Document itself, Publication Resources must be listed in the manifest and must be bundled in the EPUB container file unless specified otherwise in Publication Resource Locations.Įxamples of resources that are not Publication Resources include those identified by the Package Document link element and those identified in outbound hyperlinks that resolve outside the EPUB Container (e.g., referenced from an a element href attribute). Examples of Publication Resources include the Package Document, EPUB Content Documents, EPUB Style Sheets, audio, video, images, embedded fonts and scripts. In the absence of this resource, the Publication might not render as intended by the Author.
Publication ResourceĪ resource that contains content or instructions that contribute to the logic and rendering of the EPUB Publication. Acknowledgements and Contributors ReferencesĪ logical document entity consisting of a set of interrelated resources and packaged in an EPUB Container, as defined by this specification and its sibling specifications. The application/oebps-package+xml Media Type C.
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