Accessible Rich Internet Applications Internet Explorer 8 uses recognizes ARIA (a W3C standards based technology) features to support role, state, and property information to communicate with assistive technologies. Instead of building separate simplified webpages for accessibility, identifies rich web applications with roles, states, and properties.
UI Automation Support
User Interface Automation (UIA) is the Accessibility and Software Test Automation API. It was introduced in Windows Vista and .NET Framework 3.0, and is supported in Windows XP and later. Through UIA, Internet Explorer 8 relays to Assistive Technologies the ARIA markup information that supersedes the MSAA (Microsoft Active Accessibility) information set. For example, the minimum and maximum values of a custom webpage slider control are marked up using ARIA.
(f) Textual information shall be provided through operating system functions for displaying text. The minimum information that shall be made available is text content, text input caret location, and text attributes.