[document web]
++[section]
++++[push button] haspopup:menu
++++[menu bar] horizontal
++++++[menu item] name='First item' haspopup:menu
++++++[menu item] name='No command item'
++++++[menu item] name='Custom command item'
++++[push button] haspopup:menu
++++[menu bar] horizontal
++++++[menu item] name='First item' haspopup:menu
++++[menu bar] horizontal
++++++[menu item] name='First item' expanded label-for=[menu] haspopup:menu
++++++[menu] name='First item' labelled-by=[menu item] name-from:related-element
++++++++[menu item] name='Submenu1 first item'
++++++++[menu item] name='Submenu1 second item' haspopup:menu
++++[menu bar] horizontal
++++++[menu item] name='First item' haspopup:menu