-alt/error_type_unk_alt4.nit:13,9--12: Type error: class Fail not found in module error_type_unk_alt4.
-alt/error_type_unk_alt4.nit:14,11--14: Type error: class Fail not found in module error_type_unk_alt4.
+alt/error_type_unk_alt4.nit:13,9--12: Error: class `Fail` not found in module `error_type_unk_alt4`.
+alt/error_type_unk_alt4.nit:14,11--14: Error: class `Fail` not found in module `error_type_unk_alt4`.