29. The computer-readable medium of claim 28, wherein the layout generator generates a style sheet component by selecting a style definition which defines a format value for a format property, the format value supported by the capability of the output device.
29. The computer-readable medium of claim 28, wherein the layout generator generates a style sheet component by selecting a style definition which defines a format value for a format property, the format value supported by the capability of the output device. 30. The computer-readable medium of claim 29, wherein the format property is selected from one of the following format properties: a font property; a color and background property; a text property; and a page property.