Source : Free On-Line Dictionary of Computing

Text Reckoning And Compiling
     
         (TRAC) An interactive macro generator language for
        string manipulation by Calvin N. Mooers and Peter Deutsch of
        {Sun Microsystems}.  TAC derived ideas from {Macro SAP}.
        There are versions for {PDP-1}, {PDP-8}, {PDP-10} and
        {PDP-11}.
     
        See also {MINT}, {SAM76}.
     
        E-mail: Preston Briggs .
     
        ["TRAC: A Procedure- Describing Language for the Reactive
        Typewriter", Calvin N. Mooers, CACM 9(3):215-219 (Mar 1966).
        Rockford Research Inst, 1972].
     
        [Sammet 1969, pp.448-454].
     
        ["Macro Processors", A.J. Cole, Cambridge U Press].
     
        (1994-12-21)