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diff --git a/Master/texmf-dist/doc/asymptote/examples/Gouraud.asy b/Master/texmf-dist/doc/asymptote/examples/Gouraud.asy
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+size(200);
+
+pen[] p={red,green,blue,magenta};
+pair[] z={(-1,0),(0,0),(0,1),(1,0)};
+int[] edges={0,0,0,1};
+gouraudshade(z[0]--z[2]--z[3]--cycle,p,z,edges);
+
+draw(z[0]--z[1]--z[2]--cycle);
+draw(z[1]--z[3]--z[2],dashed);
+
+dot(Label,z[0],W);
+dot(Label,z[1],S);
+dot(Label,z[2],N);
+dot(Label,z[3],E);
+
+label("0",z[0]--z[1],S,red);
+label("1",z[1]--z[2],E,red);
+label("2",z[2]--z[0],NW,red);