"apply_operator.ml" or "type_quotation.ml": camlp4rf, use_camlp4
"lambda_quot.ml": camlp4rf, use_camlp4_full
"lambda_quot_o.ml": camlp4of, use_camlp4_full
"macros.ml" or "dirac.ml" or "puzzle.ml" or <arith.*>: camlp4of, use_camlp4
"test_macros.ml": pp(camlp4of ./macros.cmo)
"lambda_test.ml": pp(camlp4of ./lambda_quot_o.cmo)
<parse_files.*>: camlp4of, use_camlp4_full, use_dynlink
<{free_vars_test,poly_rec}.*>: camlp4rf, use_camlp4
