common.attrs.aria |= aria.status
common.attrs.aria.role.status |= aria.status
+## switch
+ aria.switch =
+ ( aria.role.switch
+ & aria.state.checked #required!
+ )
+ aria.role.switch =
+ attribute role { string "switch" }
+
+ common.attrs.aria |= aria.switch
+ common.attrs.aria.role.switch |= aria.switch
+
## tab
aria.tab =
( aria.role.tab