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Accessibility of web content requires semantic information about widgets, structures, and behaviors, in order to allow assistive technologies to convey appropriate information to persons with disabilities. This specification provides an ontology of roles, states, and properties that define accessible user interface elements and can be used to improve the accessibility and interoperability of web content and applications. These semantics are designed to allow an author to properly convey user interface behaviors and structural information in document-level markup, to assistive technologies. This document is part of the WAI-ARIA suite described in the WAI-ARIA Overview.
This section describes the status of this document at the time of its publication. Other documents may supersede this document. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at http://www.w3.org/TR/.
This is a Public Working Draft by the Protocols & Formats Working Group of the Web Accessibility Initiative. This version incorporates changes in response to public comments received on the previous version. A history of changes to WAI-ARIA is available.
WAI-ARIA was previously published as a Last Call Working Draft. Due to substantial changes in response to these comments, PFWG decided to return to Working Draft stage to collect feedback on these changes. Refer to the summary of actions made in response to comments. The PFWG expects to publish another Last Call Working Draft in the first quarter of 2010.
Feedback on the model set out here is important to the success of the Web community in creating accessible Rich Internet Applications. The PFWG would like to know:
When addressing these questions, please consider them in the context of the companion documents. Follow the instructions for commenting page to submit comments. Submit comments online (preferred) or by email to to public-pfwg-comments@w3.org (Archive). Comments should be made by 2 February 2010. In-progress updates to the document may be viewed in the publicly visible editors' draft.
Publication as a Working Draft does not imply endorsement by the W3C Membership. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress.
This document was produced by a group operating under the 5 February 2004 W3C Patent Policy. W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent. An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy.
The disclosure obligations of the Participants of this group are described in the charter.