Original sentence: Languages that formally support the module concept include IBM/360 Assembler for an assembly language, COBOL, RPG and PL/1, Ada, D, F, Fortran, Haskell, OCaml, Pascal, ML, Modula-2, Erlang, Perl, Python and Ruby
Edited sentence: Languages that formally support the module concept include IBM/360 Assembler, COBOL, RPG and PL/1, Ada, D, F, Fortran, Haskell, OCaml, Pascal, ML, Modula-2, Erlang, Perl, Python and Ruby