ROLE_SYSTEM_DOCUMENT READONLY FOCUSABLE
++IA2_ROLE_SECTION
++++IA2_ROLE_SECTION name='span-A' description-from:aria-describedby description='span-1'
++++IA2_ROLE_SECTION name='span-B' description-from:aria-describedby description='span-2'
++++IA2_ROLE_SECTION name='span-C' description-from:aria-describedby description='span-3'
++++IA2_ROLE_SECTION name='span-D' description-from:aria-describedby description='span-4'