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)