[document web]
++[push button] name='Implicit Button Name' details=[menu] details-from:command-for name-from:contents
++[section] label-for=[menu]
++++[static] name='Labelledby Name' name-from:contents
++[menu] name='Labelledby Name' labelled-by=[section] details-for=[push button] name-from:related-element
++++[menu item] name='Item' name-from:contents