languages/APL/APL.pir
A APL compiler.

languages/APL/MAINTAINER
languages/APL/README
languages/APL/STATUS
languages/APL/src/parser/actions.pm

languages/APL/src/pmc/aplvector.pmc
APLVector.

languages/APL/tools/gen_operator_defs.pl
Generate the definitions for all the various.