From the IDPF: As part of the ongoing EPUB 3 Implementation Project the Association for American Publishers (AAP) has made available a white paper that documents several outcomes of the cross-industry initiative, including the top 10 features deemed most critical for immediate implementation by participating publishers and reading system developers, as well as the top 13 tips for content publishers to create accessible EPUB 3 publications. For more information and to download the white paper, visit: http://publishers.org/press/117/ .
What’s Different? Moving from EPUB 2 to EPUB 3 – Navigation
One of the key differences in EPUB 3 is with how navigation is treated within the file. Gone is the XML based Navigation Control file (NCX) format in favor of a subset of HTML5. This move helps align EPUB with current web standards. There is no tradeoff with functionality and the HTML5 is less work than the cumbersome XML tagging. An important concept to grasp is that the new navigational document serves two distinct roles: one is to allow reading systems to render the nav doc as a specialized table of contents and the other is presented within the content.…