 After the first commercial release, targeting 16-bit Eclipse and Nova, several subsequent updates and major versions were released, approximately one a year.Appendix A of Data General's 1982 revision of its DG/L Language Reference Manual, 093-00229-01 describes DG/L as based on the ALGOL 60 programming language, but gives "data types, operations and statements that ALGOL 60 lacks".Specific differences are