AXWebArea AXRoleDescription='HTML content'
++AXGroup AXRoleDescription='form'
++++AXButton AXRoleDescription='button' AXTitle='Submit'
++AXGroup AXSubrole=AXLandmarkForm AXDescription='Name' AXRoleDescription='form' AXTitle='Name'
++++AXButton AXRoleDescription='button' AXTitle='Submit'