Sorry for the question. I figured it out. I have square brackets instead of braces in the \startuseMPgraphic line. On Tue, Dec 1, 2009 at 3:52 PM, Curiouslearn wrote:

Can someone please tell me why the code below does not work?

Thanks a ton.

\starttext

\startuseMPgraphic[CS]                u:=1cm;                pickup pencircle scaled 2pt;                %Paths                path demandCS;                demandCS := (0,5u) -- (10u,0);                % Draw Demand                draw demandCS withcolor 0.5red;                % The point on demand curve                draw ((6,2) -- (6,0)) scaled u dashed evenly withpen pencircle scaled 1pt withcolor 0.5white;                draw ((6,2) -- (0,2)) scaled u dashed evenly withpen pencircle scaled 1pt withcolor 0.5white; \stopuseMPgraphic

       \useMPgraphic{CS}

\placefigure[here][CS1]{Consumer Surplus}{\useMPgraphic{CS}}

\stoptext