This determines whether &xwp; will give its new submenus the "conditional cascade"
style.
- When this box is checked, &cfgfdr; submenus will look like this:
Clicking on the submenu title will automatically select the
default menu item in the submenu.
- When this box is not checked, &cfgfdr; submenus will look like this:
There will be no default menu items in the submenus.