-- debugging opts
opt_D_dump_absC = lookUp SLIT("-ddump-absC")
opt_D_dump_asm = lookUp SLIT("-ddump-asm")
-opt_D_dump_cpranal = lookUp SLIT("-ddump-cpranalyse")
+-- Make the option agree with the doc! dump-cpranal is preferred over
+-- dump-cpranalyse because of consistency with dump-stranal (and
+-- we don't have to worry about british vs american english).
+opt_D_dump_cpranal = lookUp SLIT("-ddump-cpranal") ||
+ lookUp SLIT("-ddump-cpranalyse")
opt_D_dump_deriv = lookUp SLIT("-ddump-deriv")
opt_D_dump_ds = lookUp SLIT("-ddump-ds")
opt_D_dump_flatC = lookUp SLIT("-ddump-flatC")