Can anyone show me proper usage of the Shear_Trans macro.

This is a modification I made to the "Basic Scene" supplied on the 
insert menu.  Can't get it to parse.

#local A=<1,2,3>;
#local B=<1,2,3>;
#local C=<1,2,3>;
sphere {
   0.0, 1
   Shear_Trans(A,B,C)
   texture {
     pigment {
       radial
       frequency 8
       color_map {
         [0.00 color rgb <1.0,0.4,0.2> ]
         [0.33 color rgb <0.2,0.4,1.0> ]
         [0.66 color rgb <0.4,1.0,0.2> ]
         [1.00 color rgb <1.0,0.4,0.2> ]
       }
     }
     finish{
       specular 0.6
     }
   }
}

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