SQL precompiler: Allowing nested /copy statements

I put in a request to IBM, many moons ago, to add nested /copy statements 
in the SQL precompiler.  I cut the following out of the official response:


RESPONSE  Response added on 20000223 20:06:40
          RECOGNIZED    - IBM agrees with the request and a solution
                          appears to be a desirable objective.
                          A solution, however, may not presently
                          appear feasible or implementable.
                          No IBM commitment is made or implied
                          as to the eventual delivery of an
                          acceptable solution.
          The change to allow this are very large. We have no plan to
          deliver this function in the near term.
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