Generic function
Sets the items for the specified gadget.
gadget-items-setter items gadget => items
<sequence>.
<collection-gadget>.
<sequence>.
duim-gadgets
duim-gadgets
Sets the items for gadget to the items specified by items.
*gadget* := contain(make
(<radio-box>,
items: range(from: 0, to: 20)));gadget-items(*gadget*) := range(from: 0, to: 15);
gadget-items, page 566