def load_vi_open_in_editor_bindings():
    """
    Pressing 'v' in navigation mode will open the buffer in an external editor.
    """
    registry = Registry()
    navigation_mode = ViNavigationMode()

    registry.add_binding('v', filter=navigation_mode)(
        get_by_name('edit-and-execute-command'))
    return registry
Pressing 'v' in navigation mode will open the buffer in an external editor.