This is the repository of the W3C’s specification on EPUB4, developed by the Publishing Working Group. The editors’ draft of the specification can also be read directly.
Use the standard fork, branch, and pull request workflow to propose changes to the specification. Please make branch names informative—by including the issue or bug number for example.
Editorial changes that improve the readability of the spec or correct spelling or grammatical mistakes are welcome.
Please read CONTRIBUTING.md, about licensing contributions.