-error_inh_clash4.nit:15,7: Error: Incompatibles ancestors for A: Sequence[F], Sequence[E]
-error_inh_clash4.nit:15,7: Error: Incompatibles ancestors for A: SequenceRead[F], SequenceRead[E]
+error_inh_clash4.nit:15,7: Error: incompatible ancestors for `A`; conflict: `Sequence[F]` and `Sequence[E]`
+error_inh_clash4.nit:15,7: Error: incompatible ancestors for `A`; conflict: `SequenceRead[F]` and `SequenceRead[E]`