The First Public Working Draft of Digital Publishing WAI-ARIA Module 1.0 was publish by the Protocols and Formats Working Group in coordination with the Digital Publishing Interest Group. The specification extends WAI-ARIA 1.1 to define
Background The User Agent Accessibility Guidelines (UAAG) serve as a guide to developers and user-agent vendors. It outlines the process for making Web browsers, media players, and assistive technologies (software that some people with disabilities use in interacting with computers) accessible to people with disabilities.
Web applications today are a challenge to make accessible because native HTML does not have the language to support all of the types of widgets added to Web pages. WAI-ARIA provides a way to add roles, states and properties to make RIA accessible to assistive technology such as screen readers.