Adobe InDesign - Manual (Page 11)

Create footnotes that popup over the page you’re reading
You now have a new control for iBooks Reader pop-up footnotes – Inside a Pop-up footnote placement option for EPUB3. The Footnote
Placement option on the EPUB export options dialog has been changed to display a drop-down listing the placement options.
This new option changes the markup of the footnote reference and the footnote content wrapper to enable pop-up footnotes in iBooks Reader. The
footnote text becomes visible only when a reader touches the footnote reference.
More control over EPUB export
More accurate representation of exported text color, tables, and nested styles
InDesign now successfully maps Color attributes including tint in Paragraph styles to CSS properties. Now the Gradient Colors are also supported
when applied using a paragraph style.
InDesign now successfully emits the markup for an applied Cell Style including the class associated with the style. Also, regional cell styles, in
addition to an applied Cell Style and Cell Attributes overrides, are now emitted and exported properly.
We have improved support for Nested Styles and Dropcaps by resolving important issues around them:
Nested Styles are now fully supported.
Font embedding for Dropcaps works fine now. Also, the dropcap’s float property now respects paragraph direction.
Improved CSS handling of native InDesign objects, images, and groups
Transforms applied on objects, such as rotation on an object containing a graphic, are now successfully mapped to CSS. InDesign now precisely
maps the transforms to the generated CSS for graphic, audio and video object content, and groups.
Example: Transforms applied on a graphic and how it maps to CSS
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