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There is support for some aspects of Epub 3 - you can switch Epub 3 support on by setting the Epub version configuration property to 3. The adaptations to Epub 3 are currently as follows:
The new-style table of contents file is generated, while the old NCX file is included for backwards compatibility;
Epub 2 guide types are converted to Epub 3 equivalents where possible;
if documents contain guide types, a 'landmarks' table of contents is generated;
metadata is generated using the new Epub 3 syntax, with mandatory date metadata;
audio and video tags are supported via media objects where supported by the target platform;
the document structure tag 'section' tag can be inserted, either explicitly or implicitly by interpreting heading styles;
audio file synchronisation is supported via SMIL files and clip file compatibility with the audio editor Audacity;
epub:type is supported in tag objects and document properties;
extra text-to-speech HTML5 tags are supported as hints for the ereader;
form elements such as text input fields can be entered directly and their JavaScript callbacks specified;
the text section document's Scripted property value is reflected in the manifest;
in Jutoh Plus, JavaScript code can be embedded (also in 'Epub 2.5', i.e. Apple Books);
XHTML files have the correct preamble.
Jutoh is distributed with the latest version of EpubCheck, so it can check both Epub 2 and Epub 3 files if you have Java installed.
Jutoh supports audio and video tags in both Epub 2 and 3. Let us know if you need other Epub 3 features not currently supported. Since Epub 3 encompasses many features, it will be a gradual process adding support for it.
Contents | Start | End | Previous: KB0025: What languages are supported? | Next: KB0027: How do I change styles, for example to add indentation?