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.
   
   2.3	  1/88  - changes and enhancements to arith operations
   		- enhancements to WAM for indexed access to arguments

   2.3.1  2/88	- enhancements for faster list access
   		- faster floating point operations
		- some overflow checking in arith instructions
		- list notation for consult/reconsult
		- "l" compiler option for compile-and-load (default)
		- parser bug fix.

   2.3.2  3/88  - DCGs; minor improvements to compiler