Represents a pane within a frame or document window. Users can navigate between panes and within the contents of the current pane, but cannot navigate between items in different panes. Thus, panes represent a level of grouping lower than frame windows or documents, but above individual controls.
- AT-SPI: ROLE_PANEL
- ATK: ATK_ROLE_PANEL
- UA: NSAccessibilityGroupRole
- MSAA/IA2: ROLE_SYSTEM_GROUPING
- nsIAccessible::value exposes the URL of the current document.
- nsIAccessible::name exposes the <title> of the current pane.
- Sets STATE_READONLY unless it's in editable area.