(a) A provision of this Act that is the same or substantially the same as a prior law shall be construed as a continuation of the prior law and not as a new or different law.
     (b) A citation in another Act to an Act or to a Section of an Act that is continued in this Act, including a Section continued in this Act by this amendatory Act of 1993, shall be construed to be a citation to that continued provision in this Act.
     (c) If any other Act of the 87th General Assembly changes, adds, or repeals a provision of prior law that is continued in this Act, then that change, addition, or repeal in the other Act shall be construed together with this Act.
     (d) If any other Act of the 88th General Assembly changes, adds, or repeals a provision of prior law that is continued in this Act by this amendatory Act of 1993, then that change, addition, or repeal in the other Act shall be construed together with this Act.