-alt/error_defs_alt4.nit:29,5--7: Redef error: A::baz is an inherited property. To redefine it, add the redef keyword.
+alt/error_defs_alt4.nit:27,36--38: Error: expected 1 argument(s) for `baz(c: Char)`; got 0. See introduction at `error_defs_alt4::A::baz`.
+alt/error_defs_alt4.nit:27,36--38: Error: expected an expression.