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From: christoph.grein@eurocopter.com
Newsgroups: comp.lang.ada
Subject: Re: Specialization generic package parameters
Date: Fri, 23 May 2008 13:17:02 -0700 (PDT)
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Date: 2008-05-23T13:17:02-07:00
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Why not a combination of 1+3:

    generic
      type Some_S is new S with private;
    package P.Q is
    private
      -- has access to the private part of P
    end P.Q;