Source : Free On-Line Dictionary of Computing

PL.8
     
        A systems dialect of {PL/I}, developed originally for the {IBM
        801} {RISC} {minicomputer}, later used internally for {IBM RT}
        and {R/6000} development.
     
        ["An Overview of the PL.8 Compiler", M. Auslander et al, Proc
        SIGPLAN '82 Symp on Compiler Writing].
     
        (1995-01-05)