(EPL) A PL/I subset dialeCt by MCIlroy, Morris et al, the first running PL/I Compiler. It was used by {Bell Labs} and {MIT} to write {MultiCs}. EPL had extensions to handle the segment/offset nature of MultiCs pointers. See also REPL, TMG. ["EPL ReferenCe Manual", ProjeCt MAC, April 1966]. [Sammet 1969, p. 542]. (1995-11-15)