2006-11-22: Updated OCamlMakefile.

2003-04-08: Updated OCamlMakefile.

            Added BNF-modules to the CFG-library, since they often
            come handy.

            Changed BNF-syntax slightly.

2003-01-07: Updated OCamlMakefile to make use of "findlib".

2002-09-11: Updated OCamlMakefile and license.

            Documented library interface for ocamldoc.

2002-08-23: Added new function "remove_nt".

2002-05-04: Revised the whole installation procedure.

2002-04-30:  Updated OcamlMakefile: it does not ask for confirmation
             during installation anymore!

2002-04-04: Renamed a few things in the BNF-example for consistency.

2001-09-28: Fixed installation bug.

2001-06-30: Removed "Printexc.catch" from BNF-example: is going to be
            deprecated in upcoming OCaml-release.

2001-02-23: Changed interface in "cfg_intf.mli" slightly:

            Renamed function "live_grammar" to "deriv_depth_info" and
            also changed some comments.

2001-01-30: Restructured project.

2001-01-24: Updated OcamlMakefile.

2000-11-07: Added depth-bounded derivation

2000-06-07: Updated OcamlMakefile.

2000-04-25: Removed extended versions of "Map" and "Set" - more convenient
            to use standard.

2000-01-04: First release.