ROLE_SYSTEM_DOCUMENT READONLY FOCUSABLE
++IA2_ROLE_SECTION
++++IA2_ROLE_SECTION name='span-A3' description-from:aria-describedby description='span-A4'
++++IA2_ROLE_SECTION name='span-B' description-from:aria-describedby description='span-A2'
++++IA2_ROLE_SECTION name='span-C'