use bounding-rectangle* instead of compute-bounding-rectangle*
use bounding-rectangle* instead of compute-bounding-rectangle*

 * in the body of the def-grecording macro, I believe we can use the
   cached bounding rectangle, rather than recomputing it. This also
   has the benefit of making the test case with the bezier-difference
   work again.

slyrus/mcclim,slyrus/mcclim