Why let to convert your books to EPUB format has a highly skilled and knowledgeable team of developers who will make sure your ePub ebooks pass Apple’s strict validation requirements.
More advanced readers, like Azardi or Readium, works correctly and display auxilary items only on request (link click). The ePub validation tool checks OCF container structure, OPF and OPS mark-up. They can be declared as auxilary, with linear=no, but it is up to reading This means, all items which are referenced, as footnotes in your case, must be included Primary, regardless of the value of the linear attribute. In this section may consider all OPS Content Documents in spine to be Reading Systems are not required to differentiate between primary andĪuxiliary content, and for the requirements and recommendations given Refer to the example below and the subsequent discussion.)
(For anĮxample of the types of content that may be considered auxiliary, System might opt to render auxiliary content in a popup window apartįrom the main window which presents the primary content. Specifying whether an OPS Content Document is primary orĪuxiliary is useful for Reading Systems which opt to present auxiliaryĬontent differently than primary content. At least one itemref in spine must be declared Hypertext link, to any OPS Content Document that is declared to beĪuxiliary it is recommended that references be added to NCX for allĪuxiliary content. Publication author include some kind of internal reference, such as a Not present) or auxiliary (linear="no".) It is important that the Linear attribute to designate whether the associated OPS Contentĭocument is primary (linear="yes", which is the default when linear is Hypertext links within OPS Content Documents, and references by theįor each itemref, the publication author may specify the optional Such reference mechanisms include, as a partial list, Reference mechanism allowed in this specification must be included in Listed in the manifest) which are potentially reachable by any Has linear="no" attribute exactly for this purpose.Īll OPS Content Documents that are part of the publication (i.e.
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