SB-Prolog:
=========

Version#  Date			Notes
-------	  ----			-----
   2	  2/86	The "basic" version.  Differs from version 1
   		in introducing indexing, instruction format
		change for even length instructions.  Also,
		numerous bug fixes.

   2.1	  2/87	Bug fixes; improvements to "assert" and "trace"
   		packages.

   2.2	  3/87	Floating point numbers.


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