What does brackets ([, ]) do in .cga rules? ---Sample Below--- Temple --> Podium t(0,podiumH,0) color(Temple_Color) [ offset(- Diameter /2,inside) extrude(peristyliumHeight) Peristylium ] [ offset(-Cella_Setback,inside) Cella ] t(0,peristyliumHeight,0) offset(- Diameter /2+geisonProjection+architraveD/2,inside) Roof
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