MODUlar LAnguage(Modula) {Wirth}'s 1977 predecessor of {Modula-2}. The original Modula was, more oriented toward {concurrent} programming, but otherwise quite similar. ["Modula - A Language for Modular Multiprogramming", N. Wirth, Soft Prac & Exp 7(1):3-35, Jan 1977]. (1999-07-12)