EPUB Custom Attribute Extensions for Content Documents

5 October 2016

Document history


This document identifies custom attribute extensions to the HTML and SVG grammars implemented by the IDPF community to enable cross-Reading System support for behaviors.

The attributes defined on this page have not been adopted by the EPUB Working Group, and their use is not endorsed by the IDPF. They are presented here for informational purposes only, and should be treated as experimental.

This document is informative and is not tied to a particular version of the EPUBĀ® specification.

Revision Policy

This document is subject to change at any time as new custom attributes are defined by the IDPF community. Attributes may be removed from this document if they are no longer supported.

To include a custom attribute definition on this page, please open a ticket in the Issue Tracker.

Refer to the IDPF Issue Reporting Guidelines for more information about the change request process.

Custom Attributes

No custom attributes have been defined at this time.