The orientation to use for the publication.
Identifies the Apple platform to which the specified display options apply.
If the publication is using custom fonts.
If the publication is fixed-layout.
If the publication contains interactive content such as content documents with javascript.
If the publication should open to a two-page spread.
Generated using TypeDoc
Describes the metadata parsed from "META-INF/com.apple.ibooks.display-options.xml" if found in the publication. See https://itunespartner.apple.com/assets/downloads/ibookstore-asset-guide-5-0.pdf (page 13-14)