Hi Ivan, You wrote:
> [W]hether the @role attribute could be used in EPUB3.01 to replace the > current idpf:type attribute for, say, glossary items. While it's true that the original XHTML2 Role Attribute Module was intended to be a generally extensible metadata attribute, the WAI-ARIA role="" attribute in HTML is only intended to provide information to the accessibility layer, and should not be used as a general extension point. For general metadata extensions, there are several other solutions, namely Microformats, Microdata, and RDFa. Ted
