-alt/error_redef_1alt1_alt5.nit:30,14--21: Redef error: error_redef_1alt1_alt5#B#f1 redefines error_redef_1alt1_alt5#A#f1 with 1 parameter(s), 0 expected. Signature is error_redef_1alt1_alt5#B#f1
+alt/error_redef_1alt1_alt5.nit:30,14--21: Redef Error: expected 0 parameter(s) for `f1`; got 1. See introduction at `error_redef_1alt1_alt5::A::f1`.