On 10/31/2014 10:15 AM, Tobias Columbus wrote:

def a_impl text t =
   begingroup
     save c ; picture c ; c := mycircle ;
     clip c to bbox c scaled 0.5 ;

try this to see what happens:

% clip c to bbox c scaled 0.5 ;
draw bbox c scaled 0.5 ;

and then this to solve it:

clip c to bbox (c scaled 0.5) ;

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