2.2.30 [W3C-HTML52] Section 5.4.2. Data model
C0086: Focusable elements follow the platform conventions for accessibility
The specification states:
5.4.2. Data model The term focusable area is used to refer to regions of the interface that can become the target of keyboard input. Focusable areas can be elements, parts of elements, or other regions managed by the user agent. ... The following table describes what objects can be focusable areas. ... Focusable area [column] ... Any other element or part of an element, especially to aid with accessibility or to better match platform conventions.
Focusable elements follow the platform conventions for accessibility.