aria-current is missing in "6.6 Taxonomy of WAI-ARIA States and Properties"

[JAWS-test]

Describe the change

aria-current and four other attributes (if I haven't lost count) are missing in "6.6 Taxonomy of WAI-ARIA States and Properties"

I don't know if the chapter is supposed to list and classify all attributes? If so, then some are missing. If not, this should perhaps be more clearly stated in the chapter that not all attributes are present.

Link to the version of the specification or documentation you were looking at at.

Link to documentation: https://w3c.github.io/aria/#state_prop_taxonomy

Does the issue exists in the editors draft (the editors draft is the most recent draft of the specification)? YES

[jnurthen]

The global states and properties are listed prior to this section at https://w3c.github.io/aria/#global_states
We should move them under the 6.6 Taxonomy of WAI-ARIA States and Properties section

[JAWS-test]

Some of the global states and properties occur again in chapter 6.6 and others not. Is it not possible to classify the few that do not appear in 6.6. in the Taxonomy?

[pkra]

Assigning this to myself because it should be done after the aria.js refactoring is complete.