<menu type="toolbar">
<li>
<menu label="File">
<button type="button" onclick="file_new()">New...</button>
<button type="button" onclick="file_open()">Open...</button>
<button type="button" onclick="file_save()">Save</button>
</menu>
</li>
<li>
<menu label="Edit">
<button type="button" onclick="edit_cut()">Cut</button>
<button type="button" onclick="edit_copy()">Copy</button>
<button type="button" onclick="edit_paste()">Paste</button>
</menu>
</li>
</menu>