load("docdraw.mac");
docdraw2d("figures/draw_color",
	explicit(x^2,x,-1,1), /* default is black */
	color = red,
	explicit(0.5 + x^2,x,-1,1),
	color = blue,
	explicit(1 + x^2,x,-1,1),
	color = light_blue,
	explicit(1.5 + x^2,x,-1,1),
	color = "#23ab0f",
	label(["This is a label",0,1.2])
)$