IN: help USING: gadgets gadgets-books gadgets-borders gadgets-buttons gadgets-editors gadgets-labels gadgets-layouts gadgets-panes gadgets-presentations gadgets-theme generic kernel lists math namespaces sdl sequences strings styles ; : tutorial-font { "Serif" plain 14 } swap set-label-font ; : heading-font { "Serif" plain 24 } swap set-label-font ; : ( text -- gadget )