There are three similar things: Bounding, clipping and the intersection CSG.
They functions are, however, very different and should not be confused.
  What you are talking about, actually, is this:

  intersection
  { object { MyObject }
    object { BoundingObject }
    bounded_by { BoundingObject }
  }

  Since it can be done, and it's very intuitive, it should not be changed.
It should, however, be documented better.
  For some reason I have never had any confusion about these three things.

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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