Source : Free On-Line Dictionary of Computing

General Purpose Macro-generator
     
         (GPM) An early text-processing language similar to
        {TRAC}, implemented on the {Atlas 2}.
     
        ["A General Purpose Macrogenerator", C. Strachey, Computer J
        8(3):225-241, Oct 1965].
     
        [Was this {Christopher Strachey}?]
     
        (1998-06-29)