48'description' => 'The minimum number of levels into the hierarchy to always show. Set to zero to emulate "show_subs" == "on_current", set to number greater than zero to be "show_sub" == "always" for that many levels',
49 ),
50'max_num_levels' => Array(
51'added' => '0.0.1',
52'type' => 'int',
53'default' => 0,
54'description' => 'The maximum number of levels into the hierarchy to show, blank or zero means no maximum',