4bc16de163 Purpose and Scope EPUB documents, unlike print books or PDF files, are designed to change. Package Document pre-paginated XHTML Example 7 Japanese manga in the right-to-left page progression direction. eInk devices, for example, will still typically provide a more limited set of CSS functionality than tablets, by nature of their display capabilities. Although HTML5 technically allows HTML markup to be included inside of >8 elements, EPUB 3 restricts that usage. It must process SVG Content Documents as defined in SVG Content Documents Reading System Conformance [ContentDocs30]. Adapted with permission from EPUB 3 Best Practices (OReilly Media). Now that we have the new HTML5 tagging under our belts, though, its time to delve a little deeper into how you layer semantics on them. This could result in serious incompatibility between the reading system and the publication.
The process can be abstracted like this: show specialized markup1 show specialized markup2 show XHTML content Not coincidentally, the three pseudotags in the previous example are also the three elements used to build a switch case. Add in the ability to embed fonts, and suddenly rich digital layouts and typography are no longer just theory. Manifest Fallbacks EPUB 3 Packaging and Metadata touches on manifest fallbacks as a means of providing a core media type fallback for foreign resources, so this article wont recap all of that information. that played a secondary role in the creation of the content of a Publication.The use of the contributor element is identical to the use of the creator element in all other respects, as detailed in the next section.The DCMES creator ElementThe creator element represents the name of a person, organization, etc. Content Fallbacks A few HTML5 elements have their own intrinsic fallback mechanisms, or the ability to provide core media type fallbacks directly in their markup. In other words, dont go looking for a separate document that defines XHTML5, because the definitions all come from the same specification. EPUB already has an ecosystem developed around XML, and without a compelling reason to change, the cost was seen as too high. Refer to Guideline 1.4 - Provide text configuration of the W3C User Agent Accessibility Guidelines for related information. Refer to Packaging [MediaOverlays30] for more information.Content ModelEmptyEach item element in the manifest identifies a Publication Resource by the IRI provided in its href attribute. These elements all conform to the following generalized definition:Element Name contributor coverage creator date description format publisher relation rights source subject type Namespace child of metadata .
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