[document web]
++[panel] details-for=[push button]
++++[entry] selectable-text
++[push button] name='Button' details=[panel] details-from:interest-for details-roles:popover has-interest-for:true
++[push button] name='Button'
++[panel]
++++[entry] selectable-text
++[panel] label-for=[push button]
++++[static] name='Plain #3'
++[push button] name='Plain #3' labelled-by=[panel]
++[panel] description-for=[push button]
++++[static] name='Plain #4'
++[push button] name='Button' description='Plain #4' described-by=[panel] description-from:tooltip
++[section] label-for=[push button]
++++[static] name='Plain #5'
++[push button] name='Plain #5' labelled-by=[section]