help-menu.xml

<ui>
 <menubar name='Menubar'>
    <menu action='HelpMenu'>
      <menuitem action='HelpIndex' />
      <placeholder name='PerExerciseHelp' />
      <menuitem action='HelpShowPathInfo' />
      <menu action='TheoryMenu'>
        <menuitem action='TheoryIntervals' />
      </menu>
      <menuitem action='SetupPyAlsa'/>
      <separator />
      <menuitem action='HelpDonate' />
      <separator />
      <menuitem action='HelpOnline' />
      <menuitem action='HelpReportingBugs' />
      <menuitem action='ShowBugReports' />
      <menuitem action='HelpAbout' />
    </menu>
  </menubar>
</ui>