EPUB 3.2 Changes

Spec

• update definition of superseded #1025

Content Docs

• remove alt style tags #1023 ( see http://www.idpf.org/epub/301/spec/epub-contentdocs.html#sec-xhtml-alternate-style-tags)

• removed constraint on values of epub:type attribute #1039

Package

• updated media-type registration for application/oebps+xml

• removed epubsc as a reserved prefix for package metadata. Issue #1051; resolved with PR #1056

• moved EPUB vocabularies from external documents to within the package document spec. Issue #1047; resolved with PR #1049

OCF

• updated media-type registration for application/epub+zip #791

• Deprecate display-seq #1041

• deprecate rendition:spread="portrait" #570

• allow more than one alternate-script to be attached to metadata property #1020