Ada-OAn {Ada} subset developed at the {University of Karlsruhe} in 1979, used for {compiler} {bootstrapping}. It lacks {overloading}, {derived type}s, {real number}s, tasks and {generic}s. ["Revised Ada-O Reference Manual", G. Persch et al, U Karlsruhe, Inst fur Infor II, Bericht Nr 9/81]. (1995-02-14)