Source : Free On-Line Dictionary of Computing

Tbl
     
        1. A language by M.E. Lesk for formatting tables, implemented
        as a {preprocessor} to {nroff}.
     
        (1994-11-01)
     
        2. Table Building Language.  A simple language by Robert
        Freiburghouse of {MIT} which combines user-defined actions
        into an {abstract machine}.  It can be used to build
        table-driven predictive {parser}s and {code generator}s in the
        {MULTICS} {Fortran} compiler and several {PL/I} compilers,
        including {VAX}-11 PL/I.
     
        ["Engineering A Compiler: VAX-11 Code Generation and
        Optimisation", P. Anklam et al, Digital Press 1977].
     
        (1994-11-01)